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Kumar S, Conners KM, Shearer JJ, Joo J, Turecamo S, Sampson M, Wolska A, Remaley AT, Connelly MA, Otvos JD, Larson NB, Bielinski SJ, Roger VL. Frailty and Metabolic Vulnerability in Heart Failure: A Community Cohort Study. J Am Heart Assoc 2024; 13:e031616. [PMID: 38533960 DOI: 10.1161/jaha.123.031616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 02/23/2024] [Indexed: 03/28/2024]
Abstract
BACKGROUND Frailty is common in heart failure (HF) and is associated with death but not routinely captured clinically. Frailty is linked with inflammation and malnutrition, which can be assessed by a novel plasma multimarker score: the metabolic vulnerability index (MVX). We sought to evaluate the associations between frailty and MVX and their prognostic impact. METHODS AND RESULTS In an HF community cohort (2003-2012), we measured frailty as a proportion of deficits present out of 32 physical limitations and comorbidities, MVX by nuclear magnetic resonance spectroscopy, and collected extensive longitudinal clinical data. Patients were categorized by frailty score (≤0.14, >0.14 and ≤0.27, >0.27) and MVX score (≤50, >50 and ≤60, >60 and ≤70, >70). Cox models estimated associations of frailty and MVX with death, adjusted for Meta-Analysis Global Group in Chronic Heart Failure (MAGGIC) score and NT-proBNP (N-terminal pro-B-type natriuretic peptide). Uno's C-statistic measured the incremental value of MVX beyond frailty and clinical factors. Weibull's accelerated failure time regression assessed whether MVX mediated the association between frailty and death. We studied 985 patients (median age, 77; 48% women). Frailty and MVX were weakly correlated (Spearman's ρ=0.21). The highest frailty group experienced an increased rate of death, independent of MVX, MAGGIC score, and NT-proBNP (hazard ratio, 3.3 [95% CI, 2.5-4.2]). Frailty improved Uno's c-statistic beyond MAGGIC score and NT-proBNP (0.69-0.73). MVX only mediated 3.3% and 4.5% of the association between high and medium frailty groups and death, respectively. CONCLUSIONS In this HF cohort, frailty and MVX are weakly correlated. Both independently contribute to stratifying the risk of death, suggesting that they capture distinct domains of vulnerability in HF.
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Affiliation(s)
- Sant Kumar
- Medstar Georgetown University Hospital Washington DC
| | - Katherine M Conners
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | - Joseph J Shearer
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | - Jungnam Joo
- Office of Biostatistics Research National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | - Sarah Turecamo
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | - Maureen Sampson
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | - Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | - Alan T Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
| | | | | | - Nicholas B Larson
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences Mayo Clinic Rochester MN
| | - Suzette J Bielinski
- Division of Epidemiology, Department of Quantitative Health Sciences Mayo Clinic Rochester MN
| | - Véronique L Roger
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch National Heart, Lung, and Blood Institute, National Institutes of Health Bethesda MD
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Turecamo S, Downie CG, Wolska A, Mora S, Otvos JD, Connelly MA, Remaley AT, Conners KM, Joo J, Sampson M, Bielinski SJ, Shearer JJ, Roger VL. Lipoprotein insulin resistance score and mortality risk stratification in heart failure. Am J Med 2024:S0002-9343(24)00207-9. [PMID: 38583752 DOI: 10.1016/j.amjmed.2024.03.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND Higher total serum cholesterol is associated with lower mortality in heart failure. Evaluating associations between lipoprotein subfractions and mortality among people with heart failure may provide insights into this observation. METHODS We prospectively enrolled a community cohort of people with heart failure from 2003 to 2012 and assessed vital status through 2021. Plasma collected at enrollment was used to measure lipoprotein subfractions via nuclear magnetic resonance spectroscopy. A composite score of six lipoprotein subfractions was generated using the lipoprotein insulin resistance index (LP-IR) algorithm. Using covariate-adjusted proportional hazards regression models, we evaluated associations between LP-IR score and all-cause mortality. RESULTS Among 1,382 patients with heart failure (median follow-up 13.9 years), a one standard deviation (SD) increment in LP-IR score was associated with lower mortality (hazard ratio [HR]= 0.93, 95% CI: 0.97, 0.99). Among LP-IR parameters, mean high density lipoprotein (HDL) particle size was significantly associated with lower mortality (HR per 1-SD decrement in mean HDL particle size = 0.83, 95% CI: 0.78, 0.89), suggesting the inverse association between LP-IR score and mortality may be driven by smaller mean HDL particle size. CONCLUSIONS LP-IR score was inversely associated with mortality among patients with heart failure and may be driven by smaller HDL particle size.
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Affiliation(s)
- Sarah Turecamo
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Carolina G Downie
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Samia Mora
- Center for Lipid Metabolomics, Divisions of Preventive and Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - James D Otvos
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | | | - Alan T Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Katherine M Conners
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Jungnam Joo
- Office of Biostatistics Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Maureen Sampson
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD
| | - Suzette J Bielinski
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic College of Medicine and Science, Rochester, MN
| | - Joseph J Shearer
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Véronique L Roger
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD.
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Joo J, Shearer JJ, Wolska A, Remaley AT, Otvos JD, Connelly MA, Sampson M, Bielinski SJ, Larson NB, Park H, Conners KM, Turecamo S, Roger VL. Incremental Value of a Metabolic Risk Score for Heart Failure Mortality: A Population-Based Study. Circ Genom Precis Med 2024; 17:e004312. [PMID: 38516784 PMCID: PMC11021175 DOI: 10.1161/circgen.123.004312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 03/10/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND Heart failure is heterogeneous syndrome with persistently high mortality. Nuclear magnetic resonance spectroscopy enables high-throughput metabolomics, suitable for precision phenotyping. We aimed to use targeted metabolomics to derive a metabolic risk score (MRS) that improved mortality risk stratification in heart failure. METHODS Nuclear magnetic resonance was used to measure 21 metabolites (lipoprotein subspecies, branched-chain amino acids, alanine, GlycA (glycoprotein acetylation), ketone bodies, glucose, and citrate) in plasma collected from a heart failure community cohort. The MRS was derived using least absolute shrinkage and selection operator penalized Cox regression and temporal validation. The association between the MRS and mortality and whether risk stratification was improved over the Meta-Analysis Global Group in Chronic Heart Failure clinical risk score and NT-proBNP (N-terminal pro-B-type natriuretic peptide) levels were assessed. RESULTS The study included 1382 patients (median age, 78 years, 52% men, 43% reduced ejection fraction) with a 5-year survival rate of 48% (95% CI, 46%-51%). The MRS included 9 metabolites measured. In the validation data set, a 1 standard deviation increase in the MRS was associated with a large increased rate of death (hazard ratio, 2.2 [95% CI, 1.9-2.5]) that remained after adjustment for Meta-Analysis Global Group in Chronic Heart Failure score and NT-proBNP (hazard ratio, 1.6 [95% CI, 1.3-1.9]). These associations did not differ by ejection fraction. The integrated discrimination and net reclassification indices, and Uno's C statistic, indicated that the addition of the MRS improved discrimination over Meta-Analysis Global Group in Chronic Heart Failure and NT-proBNP. CONCLUSIONS This MRS developed in a heart failure community cohort was associated with a large excess risk of death and improved risk stratification beyond an established risk score and clinical markers.
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Affiliation(s)
- Jungnam Joo
- Office of Biostatistics Research, National Heart, Lung, and Blood Inst
| | - Joseph J. Shearer
- Heart Disease Phenomics Laboratory, Epidemiology & Community Health Branch, National Heart, Lung, and Blood Inst
| | - Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Inst
| | - Alan T. Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Inst
| | - James D. Otvos
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Inst
| | | | - Maureen Sampson
- Dept of Laboratory Medicine, Clinical Ctr, National Institutes of Health, Bethesda, MD
| | | | - Nicholas B. Larson
- Division of Clinical Trials & Biostatistics, Dept of Quantitative Health Sciences, Mayo Clinic College of Medicine & Science, Rochester, MN
| | - Hoyoung Park
- Dept of Statistics, Sookmyung Women’s University, Seoul, Korea
| | - Katherine M. Conners
- Heart Disease Phenomics Laboratory, Epidemiology & Community Health Branch, National Heart, Lung, and Blood Inst
| | - Sarah Turecamo
- Heart Disease Phenomics Laboratory, Epidemiology & Community Health Branch, National Heart, Lung, and Blood Inst
| | - Véronique L. Roger
- Heart Disease Phenomics Laboratory, Epidemiology & Community Health Branch, National Heart, Lung, and Blood Inst
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Giacona JM, Petric UB, Kositanurit W, Wang J, Saldanha S, Young BE, Khan G, Connelly MA, Smith SA, Rohatgi A, Vongpatanasin W. HDL-C and apolipoprotein A-I are independently associated with skeletal muscle mitochondrial function in healthy humans. Am J Physiol Heart Circ Physiol 2024; 326:H916-H922. [PMID: 38334968 DOI: 10.1152/ajpheart.00017.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 02/10/2024]
Abstract
Prior animal and cell studies have demonstrated a direct role of high-density lipoprotein (HDL) and apolipoprotein A-I (ApoA-I) in enhancing skeletal muscle mitochondrial function and exercise capacity. However, the relevance of these animal and cell investigations in humans remains unknown. Therefore, a cross-sectional study was conducted in 48 adults (67% female, 8% Black participants, age 39 ± 15.4 yr old) to characterize the associations between HDL measures, ApoA-I, and muscle mitochondrial function. Forearm muscle oxygen recovery time (tau) from postexercise recovery kinetics was used to assess skeletal muscle mitochondrial function. Lipoprotein measures were assessed by nuclear magnetic resonance. HDL efflux capacity was assessed using J774 macrophages, radiolabeled cholesterol, and apolipoprotein B-depleted plasma both with and without added cyclic adenosine monophosphate. In univariate analyses, faster skeletal muscle oxygen recovery time (lower tau) was significantly associated with higher levels of HDL cholesterol (HDL-C), ApoA-I, and larger mean HDL size, but not HDL cholesterol efflux capacity. Slower recovery time (higher tau) was positively associated with body mass index (BMI) and fasting plasma glucose (FPG). In multivariable linear regression analyses, higher levels of HDL-C and ApoA-I, as well as larger HDL size, were independently associated with faster skeletal muscle oxygen recovery times that persisted after adjusting for BMI and FPG (all P < 0.05). In conclusion, higher levels of HDL-C, ApoA-I, and larger mean HDL size were independently associated with enhanced skeletal muscle mitochondrial function in healthy humans.NEW & NOTEWORTHY Our study provides the first direct evidence supporting the beneficial role of HDL-C and ApoA-I on enhanced skeletal muscle mitochondrial function in healthy young to middle-aged humans without cardiometabolic disease.
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Affiliation(s)
- John M Giacona
- Hypertension Section, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
- Department of Applied Clinical Research, School of Health Professions, University of Texas Southwestern Medical Center, Dallas, Texas, United States
- Cardiology Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Ursa B Petric
- Hypertension Section, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Weerapat Kositanurit
- Hypertension Section, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Jijia Wang
- Department of Applied Clinical Research, School of Health Professions, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Suzanne Saldanha
- Cardiology Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Benjamin E Young
- Department of Applied Clinical Research, School of Health Professions, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Ghazi Khan
- Hypertension Section, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | | | - Scott A Smith
- Department of Applied Clinical Research, School of Health Professions, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Anand Rohatgi
- Cardiology Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Wanpen Vongpatanasin
- Hypertension Section, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
- Cardiology Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States
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Anstee QM, Magnanensi J, Hajji Y, Caron A, Majd Z, Rosenquist C, Hum DW, Staels B, Connelly MA, Loomba R, Harrison SA, Ratziu V, Sanyal AJ. Impact of age on NIS2+™ and other non-invasive blood tests for the evaluation of liver disease and detection of at-risk MASH. JHEP Rep 2024; 6:101011. [PMID: 38463540 PMCID: PMC10920708 DOI: 10.1016/j.jhepr.2024.101011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/14/2023] [Accepted: 01/08/2024] [Indexed: 03/12/2024] Open
Abstract
Background & Aims Robust performance of non-invasive tests (NITs) across ages is critical to assess liver disease among patients with metabolic dysfunction-associated liver disease (MASLD). We evaluated the impact of age on the performance of NIS2+™ vs. other NITs. Methods An analysis cohort (N = 1,926) with biopsy-proven MASLD was selected among individuals screened for the phase III RESOLVE-IT clinical trial and divided into ≤45, 46-55, 56-64, and ≥65 years groups. To avoid potential confounding effects, a well-balanced cohort (n = 708; n = 177/age group) was obtained by applying a propensity score-matching algorithm to the analysis cohort. Baseline values of biomarkers and NITs were compared across age groups using one-way ANOVA, and the impact of age and histology were compared through three-way ANOVA. The impact of age on NIT performance for the detection of at-risk metabolic dysfunction-associated steatohepatitis (MASH; MASLD activity score [MAS] ≥4 and fibrosis stage [F] ≥2) was also evaluated. Results Age did not affect the distributions of NIS2+™ and APRI (aspartate aminotransferase-to-platelet ratio index), but significantly (p <0.0001) impacted those of NFS (NAFLD fibrosis score), FIB-4 (Fibrosis-4 index), and Enhanced Liver Fibrosis (ELF™) score. NIS2+™ was the only NIT on which fibrosis and MAS exerted a moderate to large effect. While the impact of fibrosis on APRI was moderate, that of MAS was low. The impact of age on FIB-4 and NFS was larger than that of fibrosis. NIS2+™ exhibited the highest AUROC values for detecting at-risk MASH across age groups, with stable performances irrespective of cut-offs. Conclusions NIS2+™ was not significantly impacted by age and was sensitive to both fibrosis and MAS grade, demonstrating a robust performance to rule in/out at-risk MASH with fixed cut-offs. Impact and Implications While metabolic dysfunction-associated steatotic liver disease (MASLD) can affect individuals of all ages, patient age could represent an important confounding factor when interpreting non-invasive test (NIT) results, highlighting the need for reliable and efficient NITs that are not impacted by age and that could be interpreted with fixed cut-offs, irrespective of patient age. We report the impact of age on different well-established NITs - among those tested, only two panels, NIS2+™ and APRI, were not impacted by age and can be used and interpreted independently of patient age. NIS2+™ was also sensitive to both fibrosis and MAS, further confirming its efficiency for the detection of the composite endpoint of at-risk MASH and its potential as a valuable candidate for large-scale implementation in clinical practice and clinical trials.
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Affiliation(s)
- Quentin M. Anstee
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
- Newcastle NIHR Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust, Freeman Hospital, Newcastle upon Tyne, UK
| | | | | | | | | | | | | | - Bart Staels
- Université de Lille, INSERM, CHU Lille, Institut Pasteur de Lille, Lille, France
| | | | - Rohit Loomba
- NAFLD Research Center, Division of Gastroenterology, University of California at San Diego, La Jolla, CA, US
| | - Stephen A. Harrison
- Summit Clinical Research, San Antonio, TX, US
- Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Vlad Ratziu
- Sorbonne Université, Institute for Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Arun J. Sanyal
- Division of Gastroenterology, Hepatology and Nutrition, Virginia Commonwealth University School of Medicine, Richmond, VA, US
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Andonian BJ, Ross LM, Sudnick AM, Johnson JL, Pieper CF, Belski KB, Counts JD, King AP, Wallis JT, Bennett WC, Gillespie JC, Moertl KM, Richard D, Huebner JL, Connelly MA, Siegler IC, Kraus WE, Bales CW, Porter Starr KN, Huffman KM. Effect of Remotely Supervised Weight Loss and Exercise Training Versus Lifestyle Counseling on Cardiovascular Risk and Clinical Outcomes in Older Adults With Rheumatoid Arthritis: A Randomized Controlled Trial. ACR Open Rheumatol 2024; 6:124-136. [PMID: 38126260 PMCID: PMC10933621 DOI: 10.1002/acr2.11639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 11/15/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023] Open
Abstract
OBJECTIVE To compare a remotely supervised weight loss and exercise intervention to lifestyle counseling for effects on cardiovascular disease risk, disease activity, and patient-reported outcomes in older patients with rheumatoid arthritis (RA) and overweight/obesity. METHODS Twenty older (60-80 years), previously sedentary participants with seropositive RA and overweight/obesity were randomized to 16 weeks of either Supervised Weight loss and Exercise Training (SWET) or Counseling Health As Treatment (CHAT). The SWET group completed aerobic training (150 minutes/week moderate-to-vigorous intensity), resistance training (two days/week), and a hypocaloric diet (7% weight loss goal). The CHAT control group completed two lifestyle counseling sessions followed by monthly check-ins. The primary outcome was a composite metabolic syndrome z-score (MSSc) derived from fasting glucose, triglycerides, high density lipoprotein-cholesterol, minimal waist circumference, and mean arterial pressure. Secondary outcomes included RA disease activity and patient-reported outcomes. RESULTS Both groups improved MSSc (absolute change -1.67 ± 0.64 in SWET; -1.34 ± 1.30 in CHAT; P < 0.01 for both groups) with no between-group difference. Compared with CHAT, SWET significantly improved body weight, fat mass, Disease Activity Score-28 C-reactive protein, and patient-reported physical health, physical function, mental health, and fatigue (P < 0.04 for all between-group comparisons). Based on canonical correlations for fat mass, cardiorespiratory fitness, and leg strength, component-specific effects were strongest for (1) weight loss improving MSSc, physical health, and mental health; (2) aerobic training improving physical function and fatigue; and (3) resistance training improving Disease Activity Score-28 C-reactive protein. CONCLUSION In older patients with RA and overweight/obesity, 16 weeks of remotely supervised weight loss, aerobic training, and resistance training improve cardiometabolic health, patient-reported outcomes, and disease activity. Less intensive lifestyle counseling similarly improves cardiovascular disease risk profiles, suggesting an important role for integrative interventions in the routine clinical care of this at-risk RA population.
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Affiliation(s)
- Brian J. Andonian
- Duke University School of Medicine, Duke Molecular Physiology InstituteDurhamNorth Carolina
| | - Leanna M. Ross
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Alyssa M. Sudnick
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Johanna L. Johnson
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Carl F. Pieper
- Duke University School of Medicine, Duke Molecular Physiology InstituteDurhamNorth Carolina
| | - Kelsey B. Belski
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Julie D. Counts
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | | | | | - William C. Bennett
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Jillian C. Gillespie
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Kaileigh M. Moertl
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Dylan Richard
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | - Janet L. Huebner
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | | | - Ilene C. Siegler
- Duke University School of Medicine, Duke Molecular Physiology InstituteDurhamNorth Carolina
| | - William E. Kraus
- Duke University School of Medicine and Durham VA Medical CenterDurhamNorth Carolina
| | | | | | - Kim M. Huffman
- Duke University School of Medicine, Duke Molecular Physiology InstituteDurhamNorth Carolina
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Kokkinos A, Tsilingiris D, Simati S, Stefanakis K, Angelidi AM, Tentolouris N, Anastasiou IA, Connelly MA, Alexandrou A, Mantzoros CS. Bariatric surgery, through beneficial effects on underlying mechanisms, improves cardiorenal and liver metabolic risk over an average of ten years of observation: A longitudinal and a case-control study. Metabolism 2024; 152:155773. [PMID: 38181882 PMCID: PMC10872266 DOI: 10.1016/j.metabol.2023.155773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 12/13/2023] [Accepted: 12/27/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Bariatric surgery has long-term beneficial effects on body weight and metabolic status, but there is an apparent lack of comprehensive cardiometabolic, renal, liver, and metabolomic/lipidomic panels, whereas the underlying mechanisms driving the observed postoperative ameliorations are still poorly investigated. We aimed to study the long-term effects of bariatric surgery on metabolic profile, cardiorenal and liver outcomes in association with underlying postoperative gut hormone adaptations. METHODS 28 individuals who underwent bariatric surgery [17 sleeve gastrectomy (SG), 11 Roux-en-Y gastric bypass (RYGB)] were followed up 3, 6 and 12 and at 10 years following surgery. Participants at 10 years were cross-sectionally compared with an age-, sex- and adiposity-matched group of non-operated individuals (n = 9) and an age-matched pilot group of normal-weight individuals (n = 4). RESULTS There were durable effects of surgery on body weight and composition, with an increase of lean mass percentage persisting despite some weight regain 10 years postoperatively. The improvements in metabolic and lipoprotein profiles, cardiometabolic risk markers, echocardiographic and cardiorenal outcomes persisted over the ten-year observation period. The robust improvements in insulin resistance, adipokines, activin/follistatin components and postprandial gastrointestinal peptide levels persisted 10 years postoperatively. These effects were largely independent of surgery type, except for a lasting reduction of ghrelin in the SG subgroup, and more pronounced increases in proglucagon products, mainly glicentin and oxyntomodulin, and in the cardiovascular risk marker Trimethylamine-N-oxide (TMAO) within the RYGB subgroup. Despite similar demographic and clinical features, participants 10 years after surgery showed a more favorable metabolic profile compared with the control group, in conjunction with a dramatic increase of postprandial proglucagon product secretion. CONCLUSIONS We demonstrate that cardiorenal and metabolic benefits of bariatric surgery remain robust and largely unchanged ten years postoperatively and are associated with durable effects on gastrointestinal- muscle- and adipose tissue-secreted hormones. TRIAL REGISTRATION ClinicalTrials.gov: NCT04170010.
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Affiliation(s)
- Alexander Kokkinos
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Dimitrios Tsilingiris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Stamatia Simati
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Konstantinos Stefanakis
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece; Department of Internal Medicine, Boston VA Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Angeliki M Angelidi
- Department of Internal Medicine, Boston VA Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna A Anastasiou
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | | | - Andreas Alexandrou
- First Department of Surgery, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Christos S Mantzoros
- Department of Internal Medicine, Boston VA Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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8
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Kunutsor SK, Bhattacharjee A, Connelly MA, Bakker SJL, Dullaart RPF. Alcohol Consumption, High-Density Lipoprotein Particles and Subspecies, and Risk of Cardiovascular Disease: Findings from the PREVEND Prospective Study. Int J Mol Sci 2024; 25:2290. [PMID: 38396968 PMCID: PMC10889823 DOI: 10.3390/ijms25042290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/10/2024] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
The associations of HDL particle (HDL-P) and subspecies concentrations with alcohol consumption are unclear. We aimed to evaluate the interplay between alcohol consumption, HDL parameters and cardiovascular disease (CVD) risk. In the PREVEND study of 5151 participants (mean age, 53 years; 47.5% males), self-reported alcohol consumption and HDL-P and subspecies (small, medium, and large) by nuclear magnetic resonance spectroscopy were assessed. Hazard ratios (HRs) with 95% CIs for first CVD events were estimated. In multivariable linear regression analyses, increasing alcohol consumption increased HDL-C, HDL-P, large and medium HDL, HDL size, and HDL subspecies (H3P, H4P, H6 and H7) in a dose-dependent manner. During a median follow-up of 8.3 years, 323 first CVD events were recorded. Compared with abstainers, the multivariable adjusted HRs (95% CIs) of CVD for occasional to light, moderate, and heavy alcohol consumers were 0.72 (0.55-0.94), 0.74 (0.54-1.02), and 0.65 (0.38-1.09), respectively. These associations remained consistent on additional adjustment for each HDL parameter. For CVD, only HDL-C was associated with a statistically significant decreased risk of CVD in a fully adjusted analysis (HR 0.84, 95% CI 0.72-0.97 per 1 SD increment). For coronary heart disease, HDL-C, HDL-P, medium HDL, HDL size, and H4P showed inverse associations, whereas HDL-C and HDL size modestly increased stroke risk. Except for H6P, alcohol consumption did not modify the associations between HDL parameters and CVD risk. The addition of HDL-C, HDL size, or H4P to a CVD risk prediction model containing established risk factors improved risk discrimination. Increasing alcohol consumption is associated with increased HDL-C, HDL-P, large and medium HDL, HDL size, and some HDL subspecies. Associations of alcohol consumption with CVD are largely independent of HDL parameters. The associations of HDL parameters with incident CVD are generally not attenuated or modified by alcohol consumption.
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Affiliation(s)
- Setor K. Kunutsor
- Leicester Real World Evidence Unit, Diabetes Research Centre, University of Leicester, Leicester LE5 4WP, UK
| | - Atanu Bhattacharjee
- Division of Population Health and Genomics, University of Dundee, Dundee DD1 4HN, UK;
| | | | - Stephan J. L. Bakker
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, P.O. Box 30001, 9700 RB Groningen, The Netherlands;
| | - Robin P. F. Dullaart
- Division of Endocrinology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, P.O. Box 30001, 9700 RB Groningen, The Netherlands;
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9
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Conners KM, Shearer JJ, Joo J, Park H, Manemann SM, Remaley AT, Otvos JD, Connelly MA, Sampson M, Bielinski SJ, Wolska A, Turecamo S, Roger VL. The Metabolic Vulnerability Index: A Novel Marker for Mortality Prediction in Heart Failure. JACC Heart Fail 2024; 12:290-300. [PMID: 37480881 PMCID: PMC10949384 DOI: 10.1016/j.jchf.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 07/24/2023]
Abstract
BACKGROUND Inflammation and protein energy malnutrition are associated with heart failure (HF) mortality. The metabolic vulnerability index (MVX) is derived from markers of inflammation and malnutrition and measured by nuclear magnetic resonance spectroscopy. MVX has not been examined in HF. OBJECTIVES The authors sought to examine the prognostic value of MVX in patients with HF. METHODS The authors prospectively assembled a population-based cohort of patients with HF from 2003 to 2012 and measured MVX scores with a nuclear magnetic resonance scan from plasma collected at enrollment. Patients were divided into 4 MVX score groups and followed until March 31, 2021. RESULTS The authors studied 1,382 patients (median age: 78 years; 48% women). The median MVX score was 64.6. Patients with higher MVX were older, more likely to be male, have atrial fibrillation, have higher NYHA functional class, and have HF duration of >18 months. Higher MVX was associated with mortality independent of Meta-analysis Global Group in Chronic Heart Failure score, ejection fraction, and other prognostic biomarkers. Compared to those with the lowest MVX, the HRs for MVX groups 2, 3, and 4 were 1.2 (95% CI: 0.9-1.4), 1.6 (95% CI: 1.3-2.0), and 1.8 (95% CI: 1.4-2.2), respectively (Ptrend < 0.001). Measures of model improvement document the added value of MVX in HF for classifying the risk of death beyond the Meta-analysis Global Group in Chronic Heart Failure score and other biomarkers. CONCLUSIONS In this HF community cohort, MVX was strongly associated with mortality independently of established clinical factors and improved mortality risk classification beyond clinically validated markers. These data underscore the potential of MVX to stratify risk in HF.
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Affiliation(s)
- Katherine M Conners
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Joseph J Shearer
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Jungnam Joo
- Office of Biostatistics Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Hoyoung Park
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Sheila M Manemann
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Alan T Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - James D Otvos
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | | | - Maureen Sampson
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland, USA
| | - Suzette J Bielinski
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Sarah Turecamo
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Véronique L Roger
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA.
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10
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Oyetoro RO, Conners KM, Joo J, Turecamo S, Sampson M, Wolska A, Remaley AT, Otvos JD, Connelly MA, Larson NB, Bielinski SJ, Hashemian M, Shearer JJ, Roger VL. Circulating ketone bodies and mortality in heart failure: a community cohort study. Front Cardiovasc Med 2024; 11:1293901. [PMID: 38327494 PMCID: PMC10847221 DOI: 10.3389/fcvm.2024.1293901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/11/2024] [Indexed: 02/09/2024] Open
Abstract
Background The relationship between ketone bodies (KB) and mortality in patients with heart failure (HF) syndrome has not been well established. Objectives The aim of this study is to assess the distribution of KB in HF, identify clinical correlates, and examine the associations between plasma KB and all-cause mortality in a population-based HF cohort. Methods The plasma KB levels were measured by nuclear magnetic resonance spectroscopy. Multivariable linear regression was used to examine associations between clinical correlates and KB levels. Proportional hazard regression was employed to examine associations between KB (represented as both continuous and categorical variables) and mortality, with adjustment for several clinical covariates. Results Among the 1,382 HF patients with KB measurements, the median (IQR) age was 78 (68, 84) and 52% were men. The median (IQR) KB was found to be 180 (134, 308) μM. Higher KB levels were associated with advanced HF (NYHA class III-IV) and higher NT-proBNP levels (both P < 0.001). The median follow-up was 13.9 years, and the 5-year mortality rate was 51.8% [95% confidence interval (CI): 49.1%-54.4%]. The risk of death increased when KB levels were higher (HRhigh vs. low group 1.23; 95% CI: 1.05-1.44), independently of a validated clinical risk score. The association between higher KB and mortality differed by ejection fraction (EF) and was noticeably stronger among patients with preserved EF. Conclusions Most patients with HF exhibited KB levels that were consistent with those found in healthy adults. Elevated levels of KB were observed in patients with advanced HF. Higher KB levels were found to be associated with an increased risk of death, particularly in patients with preserved EF.
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Affiliation(s)
- Rebecca O. Oyetoro
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Katherine M. Conners
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Jungnam Joo
- Office of Biostatistics Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Sarah Turecamo
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Maureen Sampson
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, United States
| | - Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Alan T. Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - James D. Otvos
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | | | - Nicholas B. Larson
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic College of Medicine and Science, Rochester, MN, United States
| | - Suzette J. Bielinski
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic College of Medicine and Science, Rochester, MN, United States
| | - Maryam Hashemian
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Joseph J. Shearer
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Véronique L. Roger
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
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11
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Westerman KE, Kilpeläinen TO, Sevilla-Gonzalez M, Connelly MA, Wood AC, Tsai MY, Taylor KD, Rich SS, Rotter JI, Otvos JD, Bentley AR, Mora S, Aschard H, Rao DC, Gu C, Chasman DI, Manning AK. Refinement of a published gene-physical activity interaction impacting HDL-cholesterol: role of sex and lipoprotein subfractions. medRxiv 2024:2024.01.23.24301689. [PMID: 38313294 PMCID: PMC10836120 DOI: 10.1101/2024.01.23.24301689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
Large-scale gene-environment interaction (GxE) discovery efforts often involve compromises in the definition of outcomes and choice of covariates for the sake of data harmonization and statistical power. Consequently, refinement of exposures, covariates, outcomes, and population subsets may be helpful to establish often-elusive replication and evaluate potential clinical utility. Here, we used additional datasets, an expanded set of statistical models, and interrogation of lipoprotein metabolism via nuclear magnetic resonance (NMR)-based lipoprotein subfractions to refine a previously discovered GxE modifying the relationship between physical activity (PA) and HDL-cholesterol (HDL-C). This GxE was originally identified by Kilpeläinen et al., with the strongest cohort-specific signal coming from the Women's Genome Health Study (WGHS). We thus explored this GxE further in the WGHS (N = 23,294), with follow-up in the UK Biobank (UKB; N = 281,380), and the Multi-Ethnic Study of Atherosclerosis (MESA; N = 4,587). Self-reported PA (MET-hrs/wk), genotypes at rs295849 (nearest gene: LHX1), and NMR metabolomics data were available in all three cohorts. As originally reported, minor allele carriers of rs295849 in WGHS had a stronger positive association between PA and HDL-C (pint = 0.002). When testing a range of NMR metabolites (primarily lipoprotein and lipid subfractions) to refine the HDL-C outcome, we found a stronger interaction effect on medium-sized HDL particle concentrations (M-HDL-P; pint = 1.0×10-4) than HDL-C. Meta-regression revealed a systematically larger interaction effect in cohorts from the original meta-analysis with a greater fraction of women (p = 0.018). In the UKB, GxE effects were stronger both in women and using M-HDL-P as the outcome. In MESA, the primary interaction for HDL-C showed nominal significance (pint = 0.013), but without clear differences by sex and with a greater magnitude using large, rather than medium, HDL-P as an outcome. Towards reconciling these observations, further exploration leveraging NMR platform-specific HDL subfraction diameter annotations revealed modest agreement across all cohorts in the interaction affecting medium-to-large particles. Taken together, our work provides additional insights into a specific known gene-PA interaction while illustrating the importance of phenotype and model refinement towards understanding and replicating GxEs.
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Affiliation(s)
- Kenneth E. Westerman
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Programs in Metabolism and Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Tuomas O. Kilpeläinen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, DK
- Novo Nordisk Foundation Center for Genomic Mechanisms of Disease, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Magdalena Sevilla-Gonzalez
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Programs in Metabolism and Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | | | - Alexis C. Wood
- USDA/ARS Children’s Nutrition Center, Baylor College of Medicine, Houston, TX, USA
| | - Michael Y. Tsai
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
| | - Kent D. Taylor
- The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Stephen S. Rich
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
| | - Jerome I. Rotter
- The Institute for Translational Genomics and Population Sciences, Department of Pediatrics, The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - James D. Otvos
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Amy R. Bentley
- Center for Research on Genomics and Global Health, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Samia Mora
- Center for Lipid Metabolomics, Brigham and Women’s Hospital, Boston, MA, USA
- Division of Preventive Medicine, Brigham and Women’s Hospital, Boston, MA, USA
- Cardiovascular Division, Brigham and Women’s Hospital, Boston, MA, USA
| | - Hugues Aschard
- Department of Computational Biology, Institut Pasteur, Université de Paris, Paris, FR
- Program in Genetic Epidemiology and Statistical Genetics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - DC Rao
- Division of Biostatistics, Washington University, St. Louis, MO, USA
| | - Charles Gu
- Division of Biostatistics, Washington University, St. Louis, MO, USA
| | - Daniel I. Chasman
- Division of Preventive Medicine, Brigham and Women’s Hospital, Boston, MA, USA
- Division of Genetics, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alisa K. Manning
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Programs in Metabolism and Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA
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12
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Garcia E, Shalaurova I, Matyus SP, Freeman LA, Neufeld EB, Sampson ML, Zubirán R, Wolska A, Remaley AT, Otvos JD, Connelly MA. A High-Throughput NMR Method for Lipoprotein-X Quantification. Molecules 2024; 29:564. [PMID: 38338310 PMCID: PMC10856374 DOI: 10.3390/molecules29030564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/02/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
Lipoprotein X (LP-X) is an abnormal cholesterol-rich lipoprotein particle that accumulates in patients with cholestatic liver disease and familial lecithin-cholesterol acyltransferase deficiency (FLD). Because there are no high-throughput diagnostic tests for its detection, a proton nuclear magnetic resonance (NMR) spectroscopy-based method was developed for use on a clinical NMR analyzer commonly used for the quantification of lipoproteins and other cardiovascular biomarkers. The LP-X assay was linear from 89 to 1615 mg/dL (cholesterol units) and had a functional sensitivity of 44 mg/dL. The intra-assay coefficient of variation (CV) varied between 1.8 and 11.8%, depending on the value of LP-X, whereas the inter-assay CV varied between 1.5 and 15.4%. The assay showed no interference with bilirubin levels up to 317 mg/dL and was also unaffected by hemolysis for hemoglobin values up to 216 mg/dL. Samples were stable when stored for up to 6 days at 4 °C but were not stable when frozen. In a large general population cohort (n = 277,000), LP-X was detected in only 50 subjects. The majority of LP-X positive cases had liver disease (64%), and in seven cases, had genetic FLD (14%). In summary, we describe a new NMR-based assay for LP-X, which can be readily implemented for routine clinical laboratory testing.
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Affiliation(s)
- Erwin Garcia
- Labcorp, Morrisville, NC 27560, USA; (E.G.); (I.S.); (S.P.M.)
| | | | | | - Lita A. Freeman
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (L.A.F.); (E.B.N.); (R.Z.); (A.W.); (A.T.R.); (J.D.O.)
| | - Edward B. Neufeld
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (L.A.F.); (E.B.N.); (R.Z.); (A.W.); (A.T.R.); (J.D.O.)
| | - Maureen L. Sampson
- Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA;
| | - Rafael Zubirán
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (L.A.F.); (E.B.N.); (R.Z.); (A.W.); (A.T.R.); (J.D.O.)
| | - Anna Wolska
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (L.A.F.); (E.B.N.); (R.Z.); (A.W.); (A.T.R.); (J.D.O.)
| | - Alan T. Remaley
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (L.A.F.); (E.B.N.); (R.Z.); (A.W.); (A.T.R.); (J.D.O.)
- Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA;
| | - James D. Otvos
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (L.A.F.); (E.B.N.); (R.Z.); (A.W.); (A.T.R.); (J.D.O.)
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13
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Jonker J, Doorenbos CSE, Kremer D, Gore EJ, Niesters HGM, van Leer-Buter C, Bourgeois P, Connelly MA, Dullaart RPF, Berger SP, Sanders JSF, Bakker SJL. High-Density Lipoprotein Particles and Torque Teno Virus in Stable Outpatient Kidney Transplant Recipients. Viruses 2024; 16:143. [PMID: 38257843 PMCID: PMC10818741 DOI: 10.3390/v16010143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/11/2024] [Accepted: 01/17/2024] [Indexed: 01/24/2024] Open
Abstract
Torque teno virus (TTV) is emerging as a potential marker for monitoring immune status. In transplant recipients who are immunosuppressed, higher TTV DNA loads are observed than in healthy individuals. TTV load measurement may aid in optimizing immunosuppressive medication dosing in solid organ transplant recipients. Additionally, there is a growing interest in the role of HDL particles in immune function; therefore, assessment of both HDL concentrations and TTV load may be of interest in transplant recipients. The objective of this study was to analyze TTV loads and HDL parameters in serum samples collected at least one year post-transplantation from 656 stable outpatient kidney transplant recipients (KTRs), enrolled in the TransplantLines Food and Nutrition Cohort (Groningen, the Netherlands). Plasma HDL particles and subfractions were measured using nuclear magnetic resonance spectroscopy. Serum TTV load was measured using a quantitative real-time polymerase chain reaction. Associations between HDL parameters and TTV load were examined using univariable and multivariable linear regression. The median age was 54.6 [IQR: 44.6 to 63.1] years, 43.3% were female, the mean eGFR was 52.5 (±20.6) mL/min/1.73 m2 and the median allograft vintage was 5.4 [IQR: 2.0 to 12.0] years. A total of 539 participants (82.2%) had a detectable TTV load with a mean TTV load of 3.04 (±1.53) log10 copies/mL, the mean total HDL particle concentration was 19.7 (±3.4) μmol/L, and the mean HDL size was 9.1 (±0.5) nm. The univariable linear regression revealed a negative association between total HDL particle concentration and TTV load (st.β = -0.17, 95% CI st.β: -0.26 to -0.09, p < 0.001). An effect modification of smoking behavior influencing the association between HDL particle concentration and TTV load was observed (Pinteraction = 0.024). After adjustment for age, sex, alcohol intake, hemoglobin, eGFR, donor age, allograft vintage and the use of calcineurin inhibitors, the negative association between HDL particle concentration and TTV load remained statistically significant in the non-smoking population (st.β = -0.14, 95% CI st.β: -0.23 to -0.04, p = 0.006). Furthermore, an association between small HDL particle concentration and TTV load was found (st.β = -0.12, 95% CI st.β: -0.22 to -0.02, p = 0.017). Higher HDL particle concentrations were associated with a lower TTV load in kidney transplant recipients, potentially indicative of a higher immune function. Interventional studies are needed to provide causal evidence on the effects of HDL on the immune system.
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Affiliation(s)
- Jip Jonker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Caecilia S. E. Doorenbos
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Daan Kremer
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Edmund J. Gore
- Department of Medical Microbiology and Infection Prevention, Division of Clinical Virology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Hubert G. M. Niesters
- Department of Medical Microbiology and Infection Prevention, Division of Clinical Virology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Coretta van Leer-Buter
- Department of Medical Microbiology and Infection Prevention, Division of Clinical Virology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | | | | | - Robin P. F. Dullaart
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Stefan P. Berger
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Jan-Stephan F. Sanders
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Stephan J. L. Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
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14
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Flores-Guerrero JL, Been RA, Shalaurova I, Connelly MA, van Dijk PR, Dullaart RPF. Triglyceride/HDL cholesterol ratio and lipoprotein insulin resistance Score: Associations with subclinical atherosclerosis and incident cardiovascular disease. Clin Chim Acta 2024; 553:117737. [PMID: 38142802 DOI: 10.1016/j.cca.2023.117737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 12/19/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
BACKGROUND The triglyceride/HDL cholesterol (TG/HDL-C) ratio and the Lipoprotein Insulin Resistance (LP-IR) score are lipid markers of insulin resistance. Their associations with carotid intima media thickness (cIMT; subclinical atherosclerosis) and incident cardiovascular disease (CVD) have not been thoroughly investigated. METHODS In a cross-sectional cohort (89 subjects without type 2 diabetes (T2D) and 81 subjects with T2D we determined cIMT (ultrasound), homeostasis model assessment of insulin resistance (HOMA-IR) and the TG/HDL-C ratio. The LP-IR score, based on 6 lipoprotein characteristics determined by nuclear magnetic resonance spectroscopy, was measured in 123 participants. A prospective study was carried out among 6232 participants (Prevention of REnal and Vascular ENd-stage Disease study). RESULTS Cross-sectionally, the adjusted associations of HOMA-IR, the TG/HDL-C ratio and the LP-IR score with cIMT were approximately similar (standardized β = 0.34 (95 % CI 0.19-0.48), 0.24 (95 % CI 0.09-039) and 0.41 (95 % CI 0.23--0.59), respectively). Prospectively, 507 new cases of CVD were observed after a median follow-up of 8.2 (interquartile range 7.5-8.8) years. HOMA-IR, the TG/HDL-C ratio and LP-IR were each associated with incident CVD independent of potential confounders (HR 1.12, 95 % CI 1.02-1.24;1.22, 95 % CI 1.11-1.35 and 1.15. 95 % CI 1.01-1.31, respectively). The association of the TG/HDL-C ratio with incident CVD was somewhat stronger than that of HOMA-IR. CONCLUSION Lipoprotein-based markers of insulin resistance are at least as strongly associated with subclinical atherosclerosis and clinical atherosclerosis development as HOMA-IR, obviating the need to measure insulin to determine the impact of insulin resistance. For practical purposes, the easily obtainable TG/HDL-C ratio may suffice.
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Affiliation(s)
- José L Flores-Guerrero
- Interdisciplinary Center for Research and Science Education, Autonomous University of Puebla, Puebla, Mexico
| | - Riemer A Been
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, the Netherlands
| | | | | | - Peter R van Dijk
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, the Netherlands.
| | - Robin P F Dullaart
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, the Netherlands
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15
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Paz-Graniel I, García-Gavilán JF, Ros E, Connelly MA, Babio N, Mantzoros CS, Salas-Salvadó J. Adherence to the Mediterranean diet and nuclear magnetic resonance spectroscopy biomarkers in older individuals at high cardiovascular disease risk: cross-sectional and longitudinal analyses. Am J Clin Nutr 2024; 119:108-116. [PMID: 37949173 DOI: 10.1016/j.ajcnut.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 10/19/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND The Mediterranean diet (MedDiet) has been related to a decreased risk of cardiovascular disease (CVD) and diabetes. OBJECTIVES We aimed to prospectively assess the relationship between adherence to the MedDiet and advanced lipoprotein subclass profiles and glucose metabolism and inflammation markers, as determined by nuclear magnetic resonance (NMR) spectroscopy. DESIGN We conducted cross-sectional and longitudinal analyses within the framework of the PREvención con DIeta MEDiterránea study in 196 participants from the Reus-Tarragona center. Adherence to the MedDiet was assessed using a 14-item validated questionnaire [Mediterranean Diet Adherence Score (MEDAS)]. Plasma lipoprotein subclasses and molecular metabolite profiles were determined using NMR spectra collected on a Vantera Clinical Analyzer at baseline and after 1 y of follow-up. Baseline and 1-y categories of MEDAS were related to measures of lipoprotein atherogenicity and diabetes risk using multivariable-adjusted analysis of covariance models. RESULTS Compared with participants in the lowest category of baseline MEDAS, those in the highest category showed higher concentrations of total high-density lipoprotein (HDL) particles and H1P HDL, lower concentrations of very low-density lipoprotein (VLDL)-triglyceride, smaller size of VLDL, and lower concentrations of very large VLDL, as well as lower concentrations of branched-chain amino acids, leucine, and GlycA and reduced Diabetes Risk Index (DRI) scores. In addition, participants who increased by 3 or more points in their 1-y MEDAS showed an increase in concentrations of H7P-HDL, H5P-HDL, and citrate, and reduced acetone and DRI scores compared with those with lesser adherence increases. CONCLUSIONS In older adults at high cardiometabolic risk, higher MEDAS was associated with modest beneficial changes in lipoprotein and glucose metabolism. The results suggest that lipoprotein subclass distribution and glycemic control are potential mechanisms behind the well-known salutary effects of MedDiet on CVD and diabetes risk. Future clinical trials exploring the effects of the MedDiet on advanced lipoprotein subclass profiles and glucose metabolism markers are needed to confirm the results of our study. TRIAL REGISTRATION NUMBER This trial was registered at controlled-trials.com as ISRCTN35739639.
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Affiliation(s)
- Indira Paz-Graniel
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Alimentaciò, Nutrició Desenvolupament i Salut Mental ANUT-DSM, Reus, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain
| | - Jesús F García-Gavilán
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Alimentaciò, Nutrició Desenvolupament i Salut Mental ANUT-DSM, Reus, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain.
| | - Emilio Ros
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Lipid Clinic, Department of Endocrinology and Nutrition, Agust Pi i Sunyer Biomedical Research Institute (IDIBAPS), Hospital Clinic, University of Barcelona, Barcelona, Spain
| | | | - Nancy Babio
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Alimentaciò, Nutrició Desenvolupament i Salut Mental ANUT-DSM, Reus, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain
| | - Christos S Mantzoros
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA, United States; Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, MA, United States
| | - Jordi Salas-Salvadó
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Alimentaciò, Nutrició Desenvolupament i Salut Mental ANUT-DSM, Reus, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain.
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16
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Knol MGE, Bais T, Geertsema P, Connelly MA, Bakker SJL, Gansevoort RT, van Gastel MDA, Gansevoort RT, Drenth JPH, Peters DJM, Salih M, de Fijter JW, Nijenhuis T, Hoorn EJ, Meijer E. Higher beta-hydroxybutyrate ketone levels associated with a slower kidney function decline in ADPKD. Nephrol Dial Transplant 2023:gfad239. [PMID: 37974030 DOI: 10.1093/ndt/gfad239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND AND HYPOTHESIS Dysregulated energy metabolism is a recently discovered key feature of Autosomal Dominant Polycystic Kidney Disease (ADPKD). Cystic cells depend on glucose and are poorly able to use other energy sources such as ketone bodies. Raising ketone body concentration reduced disease progression in animal models of polycystic kidney diseases. Therefore, we hypothesized that higher endogenous plasma beta-hydroxybutyrate concentrations are associated with reduced disease progression in patients with ADPKD. METHODS We analyzed data from 670 patients with ADPKD participating in the DIPAK cohort, a multi-center prospective observational cohort study. Beta-hydroxybutyrate was measured at baseline using nuclear magnetic resonance spectroscopy. Participants were excluded if they had type 2 diabetes, were using disease-modifying drugs (e.g. tolvaptan, somatostatin analogs), were not fasting, or had missing beta-hydroxybutyrate levels, leaving 521 participants for the analyses. Linear regression analyses were used to study cross-sectional associations and linear mixed-effect modeling for longitudinal associations. RESULTS Of the participants, 61% were female, with an age of 47.3 ± 11.8 years, a height-adjusted total kidney volume (htTKV) of 834 (IQR 495-1327) ml/m, and an estimated glomerular filtration rate (eGFR) of 63.3 ± 28.9 mL/min/1.73m2. The median concentration of beta-hydroxybutyrate was 94 (IQR 68-147) µmol/L. Cross-sectionally, beta-hydroxybutyrate was neither associated with eGFR nor with htTKV. Longitudinally, beta-hydroxybutyrate was positively associated with eGFR slope (B = 0.35 ml/min/1.73m2 (95% CI 0.09 to 0.61), p = 0.007), but not with kidney growth. After adjustment for potential confounders, every doubling in beta-hydroxybutyrate concentration was associated with an improvement in the annual rate of eGFR by 0.33 ml/min/1.73m2 (95% CI 0.09 to 0.57, p = 0.008). CONCLUSION These observational analyses support the hypothesis that interventions that raise beta-hydroxybutyrate concentration could reduce the rate of kidney function decline in patients with ADPKD.
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Affiliation(s)
- Martine G E Knol
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Thomas Bais
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Paul Geertsema
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | | | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Ron T Gansevoort
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Maatje D A van Gastel
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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17
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Deets A, Joshi PH, Chandra A, Singh K, Khera A, Virani SS, Ballantyne CM, Otvos JD, Dullaart RPF, Gruppen EG, Connelly MA, Ayers C, Navar AM, Pandey A, Wilkins JT, Rohatgi A. Novel Size-Based High-Density Lipoprotein Subspecies and Incident Vascular Events. J Am Heart Assoc 2023; 12:e031160. [PMID: 37929707 PMCID: PMC10727395 DOI: 10.1161/jaha.123.031160] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/18/2023] [Indexed: 11/07/2023]
Abstract
Background High-density lipoprotein (HDL) particle concentration likely outperforms HDL cholesterol in predicting atherosclerotic cardiovascular events. Whether size-based HDL subspecies explain the atheroprotective associations of HDL particle concentration remains unknown. Our objective was to assess whether levels of specific size-based HDL subspecies associate with atherosclerotic cardiovascular disease in a multiethnic pooled cohort and improve risk prediction beyond traditional atherosclerotic cardiovascular disease risk factors. Methods and Results Seven HDL size-based subspecies were quantified by nuclear magnetic resonance (LP4 algorithm; H1=smallest; H7=largest) among participants without prior atherosclerotic cardiovascular disease in ARIC (Atherosclerosis Risk in Communities), MESA (Multi-Ethnic Study of Atherosclerosis), PREVEND (Prevention of Renal and Vascular Endstage Disease), and DHS (Dallas Heart Study) cohorts (n=15 371 people). Multivariable Cox proportional hazards models were used to evaluate the association between HDL subspecies and incident myocardial infarction (MI) or ischemic stroke at follow-up (average 8-10 years) adjusting for HDL cholesterol and risk factors. Improvement in risk prediction was assessed via discrimination and reclassification analysis. Within the pooled cohort (median age 57 years; female 54%; Black 22%) higher H1 (small) and H4 (medium) concentrations were inversely associated with incident MI (hazard ratio [HR]/SD, H1 0.88 [95% CI, 0.81-0.94]; H4 0.89 [95% CI, 0.82-0.97]). H4 but not H1 improved risk prediction indices for incident MI. Increasing H2 and H4 were inversely associated with improved risk prediction indices for composite end point of stroke, MI, and cardiovascular death (HR/SD, H2 0.94 [95% CI, 0.88-0.99]; H4 0.91 [95% CI, 0.85-0.98]). Levels of the large subspecies (H6 and H7) were not associated with any vascular end point. Conclusions Two of 7 HDL size-based subspecies modestly improved risk prediction for MI and composite vascular end points in a large multiethnic pooled cohort. These findings support assessment of precise HDL subspecies for future studies regarding clinical utility.
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Affiliation(s)
- Austin Deets
- University of Texas Southwestern Medical CenterDallasTX
| | | | - Alvin Chandra
- University of Texas Southwestern Medical CenterDallasTX
| | | | - Amit Khera
- University of Texas Southwestern Medical CenterDallasTX
| | - Salim S. Virani
- Michael E. Debakey Veteran Affairs Medical CenterHoustonTX
- Baylor College of MedicineHoustonTX
| | | | | | - Robin P. F. Dullaart
- University of Groningen and University Medical Center GroningenGroningenThe Netherlands
| | - Eke G. Gruppen
- University of Groningen and University Medical Center GroningenGroningenThe Netherlands
| | | | - Colby Ayers
- University of Texas Southwestern Medical CenterDallasTX
| | | | | | | | - Anand Rohatgi
- University of Texas Southwestern Medical CenterDallasTX
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18
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Bourgonje AR, Connelly MA, van Goor H, van Dijk PR, Dullaart RPF. Plasma Citrate Levels Are Associated with an Increased Risk of Cardiovascular Mortality in Patients with Type 2 Diabetes (Zodiac-64). J Clin Med 2023; 12:6670. [PMID: 37892807 PMCID: PMC10607484 DOI: 10.3390/jcm12206670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/16/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
Circulating citrate may represent a proxy of mitochondrial dysfunction which plays a role in the development of vascular complications in type 2 diabetes (T2D). Here, we determined the associations between plasma citrate levels and cardiovascular (CV) mortality in T2D patients. In this prospective cohort study, 601 patients were included who participated in the Zwolle Outpatient Diabetes project Integrating Available Care (ZODIAC). Plasma citrate levels were measured by nuclear magnetic resonance spectroscopy. Cox proportional hazards regression models were used to evaluate the associations between plasma citrate and the risk of CV mortality. Over a median follow-up of 11.4 years, 119 (19.8%) of the 601 patients died from a CV cause. In multivariable Cox proportional hazards regression models, adjusting for conventional risk factors, plasma citrate was associated with an increased risk of CV mortality (the hazard ratio (HR) per 1-SD increment was 1.19 (95%CI: 1.00-1.40), p = 0.048). This association was prominent in males (n = 49 with CV mortality) (HR 1.52 (95%CI: 1.14-2.03), p = 0.005), but not in females (n = 70 with CV mortality) (HR 1.11 (95%CI: 0.90-1.37), p = 0.319) (age-adjusted Pinteraction = 0.044). In conclusion, higher plasma citrate levels are associated with an increased risk of CV mortality in patients with established T2D. Future studies are warranted to unravel the potential role of citrate-related pathways in the pathogenesis of T2D-related vascular complications.
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Affiliation(s)
- Arno R. Bourgonje
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
- The Henry D. Janowitz Division of Gastroenterology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - Harry van Goor
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands;
| | - Peter R. van Dijk
- Department of Internal Medicine, Division of Endocrinology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands; (P.R.v.D.); (R.P.F.D.)
| | - Robin P. F. Dullaart
- Department of Internal Medicine, Division of Endocrinology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands; (P.R.v.D.); (R.P.F.D.)
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19
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Carbone L, Bůžková P, Fink HA, Robbins JA, Barzilay JI, Elam RE, Isales C, Connelly MA, Mukamal KJ. Plasma Levels of Branched Chain Amino Acids, Incident Hip Fractures, and Bone Mineral Density of the Hip and Spine. J Clin Endocrinol Metab 2023; 108:e1358-e1364. [PMID: 37200158 PMCID: PMC11009785 DOI: 10.1210/clinem/dgad275] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/16/2023] [Accepted: 05/16/2023] [Indexed: 05/20/2023]
Abstract
OBJECTIVE Branched chain amino acids (BCAA) are building blocks for protein, an essential component of bone. However, the association of plasma levels of BCAA with fractures in populations outside of Hong Kong or with hip fractures in particular is not known. The purpose of these analyses was to determine the relationship of BCAA including valine, leucine, and isoleucine and total BCAA (SD of the sum of Z-scores for each BCAA) with incident hip fractures and bone mineral density (BMD) of the hip and lumbar spine in older African American and Caucasian men and women in the Cardiovascular Health Study. DESIGN Longitudinal analyses of association of plasma levels of BCAA with incident hip fractures and cross-sectional BMD of the hip and lumbar spine from the Cardiovascular Health Study. SETTING Community. PARTICIPANTS A total of 1850 men (38% of cohort) and women; mean age 73 years. MAIN OUTCOME MEASURES Incident hip fractures and cross-sectional BMD of the total hip, femoral neck, and lumbar spine. RESULTS In fully adjusted models, over 12 years of follow-up, we observed no significant association between incident hip fracture and plasma values of valine, leucine, isoleucine, or total BCAA per 1 SD higher of each BCAA. Plasma values of leucine but not valine, isoleucine, or total BCAA, were positively and significantly associated with BMD of the total hip (P = .03) and femoral neck (P = .02), but not the lumbar spine (P = .07). CONCLUSIONS Plasma levels of the BCAA leucine may be associated with higher BMD in older men and women. However, given the lack of significant association with hip fracture risk, further information is needed to determine whether BCAAs would be novel targets for osteoporosis therapies.
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Affiliation(s)
- Laura Carbone
- J. Harold Harrison, MD, Distinguished University Chair in Rheumatology, Division of Rheumatology, Department of Medicine, Augusta University, Augusta, GA 30912, USA
- Charlie Norwood Veterans Affairs Medical Center, Veterans Affairs Health Care System, Augusta, GA 30912, USA
| | - Petra Bůžková
- Department of Biostatistics, University of Washington, Seattle, WA 98195, USA
| | - Howard A Fink
- Geriatric Research Education and Clinical Center, Veterans Affairs Health Care System, Minneapolis, MN 55417, USA
| | - John A Robbins
- Department of Medicine, University of California, Davis, Davis, CA 95817, USA
| | - Joshua I Barzilay
- Division of Endocrinology, Kaiser Permanente of Georgia, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Rachel E Elam
- Charlie Norwood Veterans Affairs Medical Center, Veterans Affairs Health Care System, Augusta, GA 30912, USA
- Division of Rheumatology, Department of Medicine, Augusta University, Augusta, GA 30912, USA
| | - Carlos Isales
- Charlie Norwood Veterans Affairs Medical Center, Veterans Affairs Health Care System, Augusta, GA 30912, USA
- J. Harold Harrison, MD, Distinguished University Chair in Aging, Division of Endocrinology, Department of Medicine, Augusta University, Augusta, GA 30912, USA
| | | | - Kenneth J Mukamal
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
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20
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Niezen S, Connelly MA, Hirsch C, Kizer JR, Benitez ME, Minchenberg S, Perez‐Matos MC, Jiang ZG, Mukamal KJ. Elevated Plasma Levels of Ketone Bodies Are Associated With All-Cause Mortality and Incidence of Heart Failure in Older Adults: The CHS. J Am Heart Assoc 2023; 12:e029960. [PMID: 37609928 PMCID: PMC10547348 DOI: 10.1161/jaha.123.029960] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 06/20/2023] [Indexed: 08/24/2023]
Abstract
Background Chronic disease, such as heart failure, influences cellular metabolism and shapes circulating metabolites. The relationships between key energy metabolites and chronic diseases in aging are not well understood. This study aims to determine the relationship between main components of energy metabolism with all-cause mortality and incident heart failure. Methods and Results We analyzed the association between plasma metabolite levels with all-cause mortality and incident heart failure among US older adults in the CHS (Cardiovascular Health Study). We followed 1758 participants without heart failure at baseline with hazard ratios (HRs) of analyte levels and metabolic profiles characterized by high levels of ketone bodies for all-cause mortality and incident heart failure. Multivariable Cox analyses revealed a dose-response relationship of 50% increase in all-cause mortality between lowest and highest quintiles of ketone body concentrations (HR, 1.5 [95% CI, 1.0-1.9]; P=0.007). Ketone body levels remained associated with incident heart failure after adjusting for cardiovascular disease confounders (HR, 1.2 [95% CI, 1.0-1.3]; P=0.02). Using K-means cluster analysis, we identified a cluster with higher levels of ketone bodies, citrate, interleukin-6, and B-type natriuretic peptide but lower levels of pyruvate, body mass index, and estimated glomerular filtration rate. The cluster with elevated ketone body levels was associated with higher all-cause mortality (HR, 1.7 [95% CI, 1.1-2.7]; P=0.01). Conclusions Higher concentrations of ketone bodies predict incident heart failure and all-cause mortality in an older US population, independent of metabolic and cardiovascular confounders. This association suggests a potentially important relationship between ketone body metabolism and aging.
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Affiliation(s)
- Sebastian Niezen
- Department of MedicineUniversity of Pittsburgh Medical Center, University of PittsburghPittsburghPA
| | | | - Calvin Hirsch
- Department of General Internal MedicineUniversity of California Davis HealthSacramentoCA
| | - Jorge R. Kizer
- Cardiac Section, San Francisco Veterans Affairs Health Care System, Departments of Medicine, and Epidemiology and BiostatisticsUniversity of California San FranciscoSan FranciscoCA
| | - Maria E. Benitez
- Department of Internal MedicineAdvocate Illinois Masonic Medical CenterChicagoIL
| | - Scott Minchenberg
- Department of Medicine, Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMA
| | | | - Zhenghui Gordon Jiang
- Department of Medicine, Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMA
| | - Kenneth J. Mukamal
- Department of Medicine, Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMA
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21
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Szili-Torok T, de Borst MH, Garcia E, Gansevoort RT, Dullaart RP, Connelly MA, Bakker SJ, Tietge UJ. Fasting Ketone Bodies and Incident Type 2 Diabetes in the General Population. Diabetes 2023; 72:1187-1192. [PMID: 37352012 PMCID: PMC10450821 DOI: 10.2337/db22-0826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 06/04/2023] [Indexed: 06/25/2023]
Abstract
With rising incidence and prevalence of type 2 diabetes, prevention including identification of prospective biomarkers becomes increasingly relevant. Although ketone bodies recently received a renewed interest as potential biomarkers, data linking these metabolites to diabetes risk are scarce. Therefore, the present prospective study investigated a potential association between fasting ketone bodies and incident type 2 diabetes in the general population. This study from the PREVEND cohort included 3,307 participants from the general population initially free of diabetes or impaired fasting glucose. Baseline fasting ketone body concentrations were measured by nuclear magnetic resonance spectroscopy. One hundred twenty-six participants (3.8%) developed type 2 diabetes during a median (interquartile range) follow-up of 7.3 (6.3-7.6) years. In Kaplan-Meier analysis, sex-stratified ketone body levels strongly positively associated with incident type 2 diabetes, which was confirmed in Cox regression analyses adjusted for several potential confounders. There was no significant interaction by sex. Both 3-β-hydroxybutyrate and acetoacetate+acetone individually associated with incident type 2 diabetes. In conclusion, fasting plasma ketone body levels are strongly positively associated with incident type 2 diabetes in the general population independent of several other recognized risk factors. These results may have important implications for diabetes prevention including dietary strategies. ARTICLE HIGHLIGHTS The identification of biomarkers that predict type 2 diabetes is increasingly relevant for personalized medicine strategies. Data regarding ketone bodies and incident type 2 diabetes are scarce. This study shows that ketone bodies, either combined or as individual subspecies, are strongly associated with incident type 2 diabetes in the general population, independent of potential confounders. These results may have important implications for diabetes prevention including dietary strategies.
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Affiliation(s)
- Tamas Szili-Torok
- Department of Internal Medicine, University Medical Center Groningen, Groningen, the Netherlands
| | - Martin H. de Borst
- Department of Internal Medicine, University Medical Center Groningen, Groningen, the Netherlands
| | - Erwin Garcia
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC
| | - Ron T. Gansevoort
- Department of Internal Medicine, University Medical Center Groningen, Groningen, the Netherlands
| | - Robin P.F. Dullaart
- Department of Internal Medicine, University Medical Center Groningen, Groningen, the Netherlands
| | | | - Stephan J.L. Bakker
- Department of Internal Medicine, University Medical Center Groningen, Groningen, the Netherlands
| | - Uwe J.F. Tietge
- Division of Clinical Chemistry, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- Clinical Chemistry, Karolinska University Laboratory, Karolinska University Hospital, Stockholm, Sweden
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22
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Sanyal AJ, Magnanensi J, Majd Z, Rosenquist C, Vera DM, Almas JP, Connelly MA. NIS2+™, an effective blood-based test for the diagnosis of at-risk nonalcoholic steatohepatitis in adults 65 years and older. Hepatol Commun 2023; 7:e0223. [PMID: 37556372 PMCID: PMC10412428 DOI: 10.1097/hc9.0000000000000223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 06/13/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Older patients are at increased risk for at-risk NASH, defined as NASH with NAFLD activity scores (NAS) ≥4 and significant fibrosis (F ≥ 2). The aim of this study was to compare the performance of 2 new blood tests, NIS4® and NIS2+™, with FIB-4, NFS, ELF™, and alanine aminotransferase (ALT) for the diagnosis of at-risk NASH in a cohort of patients aged ≥65 years. METHODS The clinical performance of multiple blood-based tests was assessed for their ability to detect at-risk NASH using the RESOLVE-IT diag cohort, a large population of patients with metabolic risk who were screened for potential inclusion in the RESOLVE-IT phase 3 trial. RESULTS The study cohort (n = 2053) included patients with the full histological spectrum of NAFLD, with patients having liver fibrosis stages F0-4 and NAS scores 0-8. NIS4® and NIS2+™ showed similar assay performance in patients who were <65 versus ≥65 years of age (AUROC = 0.80 vs. 0.78, p = 0.47; 0.81 vs. 0.83 p = 0.45, respectively) for the identification of at-risk NASH. In patients ≥65 (n = 410), NIS2+™ exhibited the highest AUROC compared to NIS4®, FIB-4, NFS, ELF™, and ALT (AUROC = 0.83 vs. 0.78, 0.68, 0.58, 0.69, 0.74, respectively; all p ≤ 0.0009). For NIS2+™, the sensitivity and NPV for ruling-out at-risk NASH at the 0.46 cutoff were 90.2% and 86.0%, and the specificity and PPV for ruling-in at-risk NASH at the 0.68 cutoff were81.1% and 76.3%, respectively. CONCLUSIONS The clinical performance of NIS2+™ was superior for the diagnosis of at-risk NASH in patients ≥65 years of age. These data support the clinical value of this blood-based test for the diagnosis of at-risk NASH in older adults.
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Affiliation(s)
- Arun J. Sanyal
- Stravitz-Sanyal Institute for Liver Disease and Metabolic Health, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | | | | | | | | | - James P. Almas
- Digital Innovation Group, Labcorp, Burlington, North Carolina, USA
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23
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Amjad W, Shalaurova I, Garcia E, Gruppen EG, Dullaart RPF, DePaoli AM, Jiang ZG, Lai M, Connelly MA. Circulating Citrate Is Associated with Liver Fibrosis in Nonalcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis. Int J Mol Sci 2023; 24:13332. [PMID: 37686138 PMCID: PMC10487511 DOI: 10.3390/ijms241713332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/21/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is associated with mitochondrial damage. Circulating mitochondrial metabolites may be elevated in NAFLD but their associations with liver damage is not known. This study aimed to assess the association of key mitochondrial metabolites with the degree of liver fibrosis in the context of NAFLD and nonalcoholic steatohepatitis (NASH). Cross-sectional analyses were performed on two cohorts of biopsy-proven NAFLD and/or NASH subjects. The association of circulating mitochondrial metabolite concentrations with liver fibrosis was assessed using linear regression analysis. In the single-center cohort of NAFLD subjects (n = 187), the mean age was 54.9 ±13.0 years, 40.1% were female and 86.1% were White. Type 2 diabetes (51.3%), hypertension (43.9%) and obesity (72.2%) were prevalent. Those with high citrate had a higher proportion of moderate/significant liver fibrosis (stage F ≥ 2) (68.4 vs. 39.6%, p = 0.001) and advanced fibrosis (stage F ≥ 3) (31.6 vs. 13.6%, p = 0.01). Citrate was associated with liver fibrosis independent of age, sex, NAFLD activity score and metabolic syndrome (per 1 SD increase: β = 0.19, 95% CI: 0.03-0.35, p = 0.02). This association was also observed in a cohort of NASH subjects (n = 176) (β = 0.21, 95% CI: 0.07-0.36, p = 0.005). The association of citrate with liver fibrosis was observed in males (p = 0.005) but not females (p = 0.41). In conclusion, circulating citrate is elevated and associated with liver fibrosis, particularly in male subjects with NAFLD and NASH. Mitochondrial function may be a target to consider for reducing the progression of liver fibrosis and NASH.
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Affiliation(s)
- Waseem Amjad
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Beth Israel Deaconess Medical Center (BIDMC) and Harvard Medical School, Boston, MA 02215, USA
| | | | | | - Eke G Gruppen
- Divisions of Nephrology and Endocrinology, University Medical Center Groningen (UMCG), University of Groningen, 9713 Groningen, The Netherlands
| | - Robin P F Dullaart
- Divisions of Nephrology and Endocrinology, University Medical Center Groningen (UMCG), University of Groningen, 9713 Groningen, The Netherlands
| | | | - Z Gordon Jiang
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Beth Israel Deaconess Medical Center (BIDMC) and Harvard Medical School, Boston, MA 02215, USA
| | - Michelle Lai
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Beth Israel Deaconess Medical Center (BIDMC) and Harvard Medical School, Boston, MA 02215, USA
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24
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Post A, Garcia E, Shalaurova I, Matyus SP, González-Delgado JM, Doorenbos CSE, van der Veen Y, Shah SH, Kraus WE, Kremer D, Knobbe TJ, Bakker SJL, Dullaart RPF, Connelly MA. Creatine and creatinine quantified using nuclear magnetic resonance: A method validation study and clinical associations between circulating creatine and fatigue in kidney transplant recipients. Clin Chim Acta 2023; 548:117517. [PMID: 37591418 DOI: 10.1016/j.cca.2023.117517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 08/14/2023] [Indexed: 08/19/2023]
Abstract
BACKGROUND A potential contributor to fatigue in kidney transplant recipients (KTR) may be impaired creatine homeostasis. We developed and validated a high-throughput NMR assay allowing for simultaneous measurement of circulating creatine and creatinine, and determined plasma creatine and estimated intramuscular creatine concentrations in KTRs, delineated their determinants and explored their associations with self-reported fatigue. METHODS An NMR assay was developed and validated for measurement of circulating creatinine and creatine concentrations. Plasma creatine and creatinine concentrations were measured in 618 KTR. Fatigue was assessed using the checklist individual strength. Associations of creatine parameters with fatigue was assessed using linear mixed effect models. RESULTS The NMR-based assay had good sensitivity, precision and demonstrated linearity across a large range of values. Among KTR, the mean age was 56 ± 13 years, 62% were men and eGFR was 54 ± 18 ml/min/1.73 m2. Plasma creatine concentration was 27 [19-39] µmol/L. Estimated intramuscular creatine concentration was 27 ± 7 mmol/kg. Higher plasma creatine concentration and higher estimated intramuscular creatine concentration were independently associated with a lower total fatigue score and less motivation problems. CONCLUSION An NMR method for measurement of circulating creatine and creatinine which offers the potential for accurate and efficient quantification was developed. The found associations suggest that improving creatine status may play a beneficial role in mitigating fatigue.
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Affiliation(s)
- Adrian Post
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
| | | | | | | | | | - Caecilia S E Doorenbos
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
| | - Yvonne van der Veen
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
| | - Svati H Shah
- Division of Cardiology, Department of Medicine and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC 27710, USA; Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC 27710, USA.
| | - William E Kraus
- Division of Cardiology, Department of Medicine and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Daan Kremer
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
| | - Tim J Knobbe
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
| | - Stephan J L Bakker
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
| | - Robin P F Dullaart
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, the Netherlands.
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25
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Bourgonje AR, Connelly MA, van Goor H, van Dijk PR, Dullaart RPF. Both LDL and HDL particle concentrations associate positively with an increased risk of developing microvascular complications in patients with type 2 diabetes: lost protection by HDL (Zodiac-63). Cardiovasc Diabetol 2023; 22:169. [PMID: 37415152 PMCID: PMC10327395 DOI: 10.1186/s12933-023-01909-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/30/2023] [Indexed: 07/08/2023] Open
Abstract
BACKGROUND Triglyceride-rich lipoproteins (TRL) and low-density lipoproteins (LDL) are associated positively whereas high-density lipoproteins (HDL) are associated inversely with the development of new-onset type 2 diabetes (T2D). Here we studied potential associations between these lipoprotein particle concentrations and the risk of developing microvascular complications in patients with established T2D. METHODS Lipoprotein particle concentrations (TRLP, LDLP, and HDLP) were determined in 278 patients with T2D participating in a primary care-based longitudinal cohort study (Zwolle Outpatient Diabetes project Integrating Available Care [ZODIAC] study) leveraging the Vantera nuclear magnetic resonance (NMR) platform using the LP4 algorithm. Associations between lipoprotein particles and incident microvascular complications (nephropathy, neuropathy, and retinopathy) were assessed using Cox proportional hazards regression models. RESULTS In total, 136 patients had microvascular complications at baseline. During a median follow-up of 3.2 years, 49 (34.5%) of 142 patients without microvascular complications at baseline developed new-onset microvascular complications. In multivariable Cox proportional hazards regression analyses, both total LDLP and HDLP concentrations, but not total TRLP concentrations, were positively associated with an increased risk of developing any microvascular complications after adjustment for potential confounding factors, including age, sex, disease duration, HbA1c levels, history of macrovascular complications, and statin use (adjusted hazard ratio [HR] per 1 SD increment: 1.70 [95% CI 1.24-2.34], P < 0.001 and 1.63 [95% CI 1.19-2.23], P = 0.002, respectively). When analyzing each microvascular complication individually, total LDLP concentrations were positively associated with retinopathy (adjusted HR 3.35, 95% CI 1.35-8.30, P = 0.009) and nephropathy (adjusted HR 2.13, 95% CI 1.27-3.35, P = 0.004), and total HDLP concentrations with neuropathy (adjusted HR 1.77, 95% CI 1.15-2.70, P = 0.009). No significant associations were observed for lipoprotein particle subfractions. CONCLUSIONS Total lipoprotein particle concentrations of both LDL and HDL associate positively with an increased risk of developing microvascular complications in T2D. We propose that the protective role of HDL on the development of microvascular complications may be lost in established T2D.
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Affiliation(s)
- Arno R Bourgonje
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
- The Henry D. Janowitz Division of Gastroenterology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | | | - Harry van Goor
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Peter R van Dijk
- Department of Internal Medicine, Division of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Robin P F Dullaart
- Department of Internal Medicine, Division of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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26
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Trillos-Almanza MC, Wessel H, Martínez-Aguilar M, van den Berg EH, Douwes RM, Moshage H, Connelly MA, Bakker SJL, de Meijer VE, Dullaart RPF, Blokzijl H. Branched Chain Amino Acids Are Associated with Physical Performance in Patients with End-Stage Liver Disease. Biomolecules 2023; 13:biom13050824. [PMID: 37238694 DOI: 10.3390/biom13050824] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Decreased circulating branched chain amino acids (BCAA) represent a prominent change in amino acid profiles in patients with end-stage liver disease (ESLD). These alterations are considered to contribute to sarcopenia and hepatic encephalopathy and may relate to poor prognosis. Here, we cross-sectionally analyzed the association between plasma BCAA levels and the severity of ESLD and muscle function in participants of the liver transplant subgroup of TransplantLines, enrolled between January 2017 and January 2020. Plasma BCAA levels were measured by nuclear magnetic resonance spectroscopy. Physical performance was analyzed with a hand grip strength test, 4 m walking test, sit-to-stand test, timed up and go test, standing balance test and clinical frailty scale. We included 92 patients (65% men). The Child Pugh Turcotte classification was significantly higher in the lowest sex-stratified BCAA tertile compared to the highest tertile (p = 0.015). The times for the sit-to-stand (r = -0.352, p < 0.05) and timed up and go tests (r = -0.472, p < 0.01) were inversely correlated with total BCAA levels. In conclusion, lower circulating BCAA are associated with the severity of liver disease and impaired muscle function. This suggests that BCAA may represent a useful prognostic marker in the staging of liver disease severity.
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Affiliation(s)
- Maria Camila Trillos-Almanza
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Hanna Wessel
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Magnolia Martínez-Aguilar
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Eline H van den Berg
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Rianne M Douwes
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Han Moshage
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | | | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Vincent E de Meijer
- Department of Surgery, Division of Hepato-Pancreato-Biliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Robin P F Dullaart
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
| | - Hans Blokzijl
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700RB Groningen, The Netherlands
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Chevli PA, Al-Kindi SG, Rikhi RR, German C, Michos ED, Connelly MA, Bertoni A, Shapiro MD. ASSOCIATION OF KETONE BODIES AND INCIDENT DIABETES IN THE MULTI-ETHNIC STUDY OF ATHEROSCLEROSIS (MESA). J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)02216-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Oyetoro R, Conners K, Joo J, Turecamo S, Sampson M, Wolska A, Remaley AT, Connelly MA, Otvos JD, Larson NB, Bielinski SJ, Shearer JJ, Roger VL. Abstract P177: Circulating Ketone Bodies and Mortality in Heart Failure: A Community Cohort Study. Circulation 2023. [DOI: 10.1161/circ.147.suppl_1.p177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Background:
Heart failure (HF) is associated with metabolic alterations, including ketogenesis. However, determinants of ketogenesis and risk of mortality in HF is not defined. Total ketone bodies (KB) include β-hydroxybutyrate, acetoacetate, and acetone and can be measured in plasma by nuclear magnetic resonance (NMR). The aim of this study is to determine the relationship between KB and clinical characteristics in a community HF cohort and to assess the association between KB and all-cause mortality.
Methods:
A population-based cohort of 1,389 HF patients was prospectively enrolled between 2003 and 2012. Plasma KB was measured by LP4
NMR LipoProfile
® assay/test on the Vantera® NMR analyzer platform. A conditional inference tree method (ctree R Package) was used to determine optimal KB group cut points. Associations between clinical characteristics and KB were measured with Wilcoxon rank sum test and Pearson’s Chi-squared test. Kaplan-Meier method estimated survival. Cox regression analyses were used to estimate associations between KB concentrations and mortality.
Results:
Among the 1,382 HF patients with KB measurements, the median age was 78 years (IQR 68-84) and 52% were men. Median KB was 180 μM (IQR 134-308). Patients were divided into two groups with lower KB (≤471.5 μM) and higher KB (>471.5 μM). Patients with higher KB (N=210) had lower BMI, higher BNP, and were more likely to be in the New York Heart Association class III-IV; however, these patients were less likely to have hyperlipidemia, coronary disease, or diabetes mellitus (P < 0.05). Age, sex, creatinine, ejection fraction, or Meta-Analysis Global Group in Chronic HF (MAGGIC) score did not differ by KB group. Higher KB was associated with worse survival (figure). After adjustment for the MAGGIC score, higher KB was associated with increased risk of mortality (HR 1.3; 95% CI, 1.08-1.48).
Conclusions:
In this community HF cohort, higher KB was associated with increased mortality, independent of the MAGGIC score.
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Affiliation(s)
- Rebecca Oyetoro
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Katie Conners
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Jungnam Joo
- Office of Biostatistics Rsch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Sarah Turecamo
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Maureen Sampson
- Dept of Laboratory Medicine, Clinical Cntr, National Institutes of Health, Bethesda, MD
| | - Anna Wolska
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Alan T Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | | | | | - Nicholas B Larson
- Div of Clinical Trials and Biostatistics, Dept of Quantitative Health Sciences, Mayo Clinic College of Medicine and Science, Rochester, MN
| | | | - Joseph J Shearer
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Véronique L Roger
- Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
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Bourgonje AR, van der Vaart A, Gruppen EG, van Goor H, Bakker SJL, Connelly MA, van Dijk PR, Dullaart RPF. Plasma levels of GlycA, a pro-inflammatory glycoprotein biomarker, associate with an increased risk of microvascular complications in patients with type 2 diabetes (Zodiac-62). Endocrine 2023; 80:312-316. [PMID: 36757630 DOI: 10.1007/s12020-023-03319-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 01/29/2023] [Indexed: 02/10/2023]
Abstract
PURPOSE GlycA, a pro-inflammatory glycoprotein biomarker, associates with newly developed type 2 diabetes (T2D). We determined the association of plasma GlycA with the development of microvascular complications in patients with established T2D. METHODS Plasma GlycA was measured by nuclear magnetic resonance spectrometry in T2D patients without microvascular complications at baseline (n = 145) participating in a longitudinal cohort study of primary care-treated T2D patients (Zwolle Outpatient Diabetes project Integrating Available Care (ZODIAC) study). Associations of GlycA with incident microvascular complications including nephropathy, retinopathy, and neuropathy, were determined by Cox proportional hazards regression analyses. RESULTS After a median follow-up of 3.2 (interquartile range [IQR]: 2.9-3.4) years, 49 patients (33.8%) developed one or more microvascular complications. Median GlycA levels were 453.5 (IQR: 402.0-512.8) μmol/l. GlycA was associated with incident microvascular complications (hazard ratio [HR] per 1-SD increment: 1.28 [95% confidence interval [CI]:1.00-1.63], P = 0.048]), even after adjustment for potential confounders and high-sensitive C-reactive protein (hs-CRP), HR 1.79 [95%CI:1.25-2.57], P = 0.001). In contrast, hs-CRP levels were not significantly associated with the risk of developing microvascular complications (P = 0.792). CONCLUSION Higher plasma GlycA is associated with an increased risk of developing microvascular complications in T2D patients. Altered N-glycan branching associated with acute-phase reactive proteins may represent a preferred biomarker of systemic low-grade inflammation in predicting diabetic complications.
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Affiliation(s)
- Arno R Bourgonje
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
| | - Amarens van der Vaart
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Eke G Gruppen
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Harry van Goor
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | | | - Peter R van Dijk
- Department of Internal Medicine, Division of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Robin P F Dullaart
- Department of Internal Medicine, Division of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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van den Berg EH, Flores-Guerrero JL, Garcia E, Connelly MA, de Meijer VE, Bakker SJL, Blokzijl H, Dullaart RPF. High plasma levels of betaine, a trimethylamine N-Oxide-related metabolite, are associated with the severity of cirrhosis. Liver Int 2023; 43:424-433. [PMID: 35585781 PMCID: PMC10084422 DOI: 10.1111/liv.15310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/09/2022] [Accepted: 05/16/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND AIMS The gut microbiome-related metabolites betaine and trimethylamine N-oxide (TMAO) affect major health issues. In cirrhosis, betaine metabolism may be diminished because of impaired hepatic betaine homocysteine methyltransferase activity, whereas TMAO generation from trimethylamine may be altered because of impaired hepatic flavin monooxygenase expression. Here, we determined plasma betaine and TMAO levels in patients with end-stage liver disease and assessed their relationships with liver disease severity. METHODS Plasma betaine and TMAO concentrations were measured by nuclear magnetic resonance spectroscopy in 129 cirrhotic patients (TransplantLines cohort study; NCT03272841) and compared with levels from 4837 participants of the PREVEND cohort study. Disease severity was assessed by Child-Pugh-Turcotte (CPT) classification and Model for End-stage Liver Disease (MELD) score. RESULTS Plasma betaine was on average 60% higher (p < .001), whereas TMAO was not significantly lower in cirrhotic patients vs. PREVEND population (p = .44). After liver transplantation (n = 13), betaine decreased (p = .017; p = .36 vs. PREVEND population), whereas TMAO levels tended to increase (p = .085) to higher levels than in the PREVEND population (p = .003). Betaine levels were positively associated with the CPT stage and MELD score (both p < .001). The association with the MELD score remained in the fully adjusted analysis (p < .001). The association of TMAO with the MELD score did not reach significance (p = .11). Neither betaine nor TMAO levels were associated with mortality on the waiting list for liver transplantation (adjusted p = .78 and p = .44, respectively). CONCLUSION Plasma betaine levels are elevated in cirrhotic patients in parallel with disease severity and decrease after liver transplantation.
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Affiliation(s)
- Eline H van den Berg
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jose L Flores-Guerrero
- Department of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Erwin Garcia
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina, USA
| | - Margery A Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina, USA
| | - Vincent E de Meijer
- Department of Hepatopancreatobiliary Surgery and Liver Transplantation, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | | | - Stephan J L Bakker
- Department of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hans Blokzijl
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Robin P F Dullaart
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Angelidi AM, Kokkinos A, Sanoudou D, Connelly MA, Alexandrou A, Mingrone G, Mantzoros CS. Early metabolomic, lipid and lipoprotein changes in response to medical and surgical therapeutic approaches to obesity. Metabolism 2023; 138:155346. [PMID: 36375643 DOI: 10.1016/j.metabol.2022.155346] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/20/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND Glucagon-like peptide-1 receptor agonists (GLP-1RA) and bariatric surgery have proven to be effective treatments for obesity and cardiometabolic conditions. We aimed to explore the early metabolomic changes in response to GLP-1RA (liraglutide) therapy vs. placebo and in comparison to bariatric surgery. METHODS Three clinical studies were conducted: a bariatric surgery cohort study of participants with morbid obesity who underwent either Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG) studied over four and twelve weeks, and two randomized placebo-controlled, crossover double blind studies of liraglutide vs. placebo administration in participants with type 2 diabetes (T2D) and participants with obesity studied for three and five weeks, respectively. Nuclear magnetic resonance spectroscopy-derived metabolomic data were assessed in all eligible participants who completed all the scheduled in-clinic visits. The primary outcome of the study was to explore the changes of the metabolome among participants with obesity with and without T2D receiving the GLP-1RA liraglutide vs. placebo and participants with obesity undergoing bariatric surgery during the three to five-week study period. In addition, we assessed the bariatric surgery effects longitudinally over the twelve weeks of the study and the differences between the bariatric surgery subgroups on the metabolome. The trials are registered with ClinicalTrials.gov, numbers NCT03851874, NCT01562678 and NCT02944500. RESULTS Bariatric surgery had a more pronounced effect on weight and body mass index reduction (-14.19 ± 5.27 kg and - 5.19 ± 5.27, respectively, p < 0.001 for both) and resulted in more pronounced metabolomic and lipidomic changes compared to liraglutide therapy at four weeks postoperatively. Significant changes were observed in lipoprotein parameters, inflammatory markers, ketone bodies, citrate, and branched-chain amino acids after the first three to five weeks of intervention. After adjusting for the amount of weight loss, a significant difference among the study groups remained only for acetoacetate, β-hydroxybutyrate, and citrate (p < 0.05 after FDR correction). Glucose levels were significantly reduced in all intervention groups but mainly in the T2D group receiving GLP-1RA treatment. After adjusting for weight loss, only glucose levels remained significant (p = 0.001 after FDR correction), mainly due to the glucose change in the T2D group receiving GLP-1RA. Similar results with those observed at four weeks were observed in the surgical group when delta changes at twelve weeks were assessed. Comparing the two types of bariatric surgery, an intervention effect was more pronounced in the RYGB subgroup regarding total triglycerides, triglyceride-rich lipoprotein size, and trimethylamine-N-oxide (p for intervention: 0.031, 0.028, 0.036, respectively). However, after applying FDR correction, these changes deemed to be only suggestive; only time effects remained significant with no significant changes persisting in relation to the types of bariatric surgery. CONCLUSIONS The results of this study suggest that the early metabolomic, lipid and lipoprotein changes observed between liraglutide treatment and bariatric surgery are similar and result largely from the changes in patients' body weight. Specific changes observed in the short-term post-surgical period between bariatric vs. nonsurgical treated participants, i.e., acetoacetate, β-hydroxybutyrate, and citrate changes, may reflect changes in patient diets and calorie intake indicating potential calorie and diet-driven metabolomics/lipidomic effects in the short-term postoperatively. Significant differences observed between SG and RYGB need to be confirmed and extended by future studies.
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Affiliation(s)
- Angeliki M Angelidi
- Department of Medicine, Division of Endocrinology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, MA 02130, United States
| | - Alexander Kokkinos
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Greece
| | - Despina Sanoudou
- Clinical Genomics and Pharmacogenomics Unit, 4(th) Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens; Molecular Biology Division, Biomedical Research Foundation of the Academy of Athens, Athens 11527, Greece
| | | | - Andreas Alexandrou
- First Department of Surgery of the National and Kapodistrian University of Athens, Greece
| | - Geltrude Mingrone
- Department of Medical and Surgery Sciences, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Department of Diabetes, Università Cattolica del Sacro Cuore Rome, Rome 00168, Italy; Division of Diabetes and Nutritional Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Christos S Mantzoros
- Department of Medicine, Division of Endocrinology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, MA 02130, United States.
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van der Vaart A, de Borst MH, Bakker SJL, Connelly MA, van Dijk PR, Dullaart RPF. Higher betaine is associated with lower incidence of microvascular complications in type 2 diabetes (Zodiac-61). Eur J Clin Invest 2023; 53:e13873. [PMID: 36102283 PMCID: PMC10078367 DOI: 10.1111/eci.13873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 01/07/2023]
Affiliation(s)
- Amarens van der Vaart
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Martin H de Borst
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Margery A Connelly
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, North Carolina, USA
| | - Peter R van Dijk
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Robin P F Dullaart
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Voorrips SN, Boorsma EM, Beusekamp JC, DE-Boer RA, Connelly MA, Dullaart RPF, VAN-DER-Meer P, VAN-Veldhuisen DJ, Voors AA, Damman K, Westenbrink BD. Longitudinal Changes in Circulating Ketone Body Levels in Patients With Acute Heart Failure: A Post Hoc Analysis of the EMPA-Response-AHF Trial. J Card Fail 2023; 29:33-41. [PMID: 36244653 DOI: 10.1016/j.cardfail.2022.09.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/13/2022] [Accepted: 09/13/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Ketone bodies are endogenous fuels produced by the liver under conditions of metabolic or neurohormonal stress. Circulating ketone bodies are increased in patients with chronic heart failure (HF), yet little is known about the effect of acute HF on ketosis. We tested the hypothesis that ketogenesis is increased in patients with acute decompensated HF. METHODS AND RESULTS This was a post hoc analysis of 79 patients with acute HF included in the EMPA-RESPONSE-AHF trial, which compared sodium-dependent glucose-cotransporter protein 2 inhibitor treatment with empagliflozin for 30 days with placebo in patients with acute HF [NCT03200860]. Plasma concentrations of ketone bodies acetone, β-hydroxybutyrate, and acetoacetate were measured at baseline and 5 different timepoints. Changes in ketone bodies over time were monitored using repeated measures analysis of variance. In the total cohort, median total ketone body concentration was 251 µmol/L (interquartile range, 178-377 µmol/L) at baseline, which gradually decreased to 202 µmol/L (interquartile range, 156-240 µmol/L) at day 30 (P = .041). Acetone decreased from 60 µmol/L (interquartile range, 34-94 µmol/L) at baseline to 30 µmol/L (interquartile range, 21-42 µmol/L) ( P < .001), whereas β-hydroxybutyrate and acetoacetate remained stable over time. Higher acetone concentrations were correlated with higher N-terminal pro brain natriuretic peptide levels (r = 0.234; P = .039). Circulating ketone bodies did not differ between patients treated with empagliflozin or placebo throughout the study period. A higher acetone concentration at baseline was univariately associated with a greater risk of the composite end point, including in-hospital worsening HF, HF rehospitalizations, and all-cause mortality after 30 days. However, after adjustment for age and sex, acetone did not remain an independent predictor for the combined end point. CONCLUSIONS Circulating ketone body concentrations, and acetone in particular, were significantly higher during an episode of acute decompensated HF compared with after stabilization. Treatment with empagliflozin did not affect ketone body concentrations in patients with acute HF.
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Affiliation(s)
- S N Voorrips
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - E M Boorsma
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - J C Beusekamp
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - R A DE-Boer
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands; Department of Cardiology, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - M A Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina; and the
| | - R P F Dullaart
- Department of Internal Medicine, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - P VAN-DER-Meer
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - D J VAN-Veldhuisen
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - A A Voors
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - K Damman
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - B D Westenbrink
- Department of Cardiology, University of Groningen, University Medical Center Groningen (UMCG), Groningen, the Netherlands.
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Kraus VB, Ma S, Tourani R, Fillenbaum GG, Burchett BM, Parker DC, Kraus WE, Connelly MA, Otvos JD, Cohen HJ, Orenduff MC, Pieper CF, Zhang X, Aliferis CF. Causal analysis identifies small HDL particles and physical activity as key determinants of longevity of older adults. EBioMedicine 2022; 85:104292. [PMID: 36182774 PMCID: PMC9526168 DOI: 10.1016/j.ebiom.2022.104292] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/15/2022] [Accepted: 09/13/2022] [Indexed: 11/29/2022] Open
Abstract
Background The hard endpoint of death is one of the most significant outcomes in both clinical practice and research settings. Our goal was to discover direct causes of longevity from medically accessible data. Methods Using a framework that combines local causal discovery algorithms with discovery of maximally predictive and compact feature sets (the “Markov boundaries” of the response) and equivalence classes, we examined 186 variables and their relationships with survival over 27 years in 1507 participants, aged ≥71 years, of the longitudinal, community-based D-EPESE study. Findings As few as 8-15 variables predicted longevity at 2-, 5- and 10-years with predictive performance (area under receiver operator characteristic curve) of 0·76 (95% CIs 0·69, 0·83), 0·76 (0·72, 0·81) and 0·66 (0·61, 0·71), respectively. Numbers of small high-density lipoprotein particles, younger age, and fewer pack years of cigarette smoking were the strongest determinants of longevity at 2-, 5- and 10-years, respectively. Physical function was a prominent predictor of longevity at all time horizons. Age and cognitive function contributed to predictions at 5 and 10 years. Age was not among the local 2-year prediction variables (although significant in univariable analysis), thus establishing that age is not a direct cause of 2-year longevity in the context of measured factors in our data that determine longevity. Interpretation The discoveries in this study proceed from causal data science analyses of deep clinical and molecular phenotyping data in a community-based cohort of older adults with known lifespan. Funding NIH/NIA R01AG054840, R01AG12765, and P30-AG028716, NIH/NIA Contract N01-AG-12102 and NCRR 1UL1TR002494-01.
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Affiliation(s)
- Virginia Byers Kraus
- Duke Molecular Physiology Institute, Duke University, Durham, NC, United States.
| | - Sisi Ma
- Institute for Health Informatics, University of Minnesota, Minneapolis, MN, United States; University of Minnesota Department of Medicine, Minneapolis, MN, United States
| | - Roshan Tourani
- Institute for Health Informatics, University of Minnesota, Minneapolis, MN, United States
| | - Gerda G Fillenbaum
- Psychiatry and Behavioral Sciences and Center for the Study of Aging and Human Development, Duke University, Durham, NC, United States
| | - Bruce M Burchett
- Center for the Study of Aging and Human Development, Duke University, Durham, NC, United States
| | - Daniel C Parker
- Division of Geriatrics, Department of Medicine, Duke University School of Medicine, Durham, NC, United States
| | - William E Kraus
- Duke Molecular Physiology Institute, Duke University, Durham, NC, United States
| | - Margery A Connelly
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, NC, United States
| | - James D Otvos
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, NC, United States
| | - Harvey Jay Cohen
- Center for the Study of Aging and Human Development, Duke University, Durham, NC, United States
| | - Melissa C Orenduff
- Duke Molecular Physiology Institute, Duke University, Durham, NC, United States
| | - Carl F Pieper
- Center for the Study of Aging and Human Development, Duke University, Durham, NC, United States; Biostatistics and Bioinformatics, Duke University, Durham, NC, United States
| | - Xin Zhang
- Duke Molecular Physiology Institute, Duke University, Durham, NC, United States
| | - Constantin F Aliferis
- Institute for Health Informatics, University of Minnesota, Minneapolis, MN, United States; University of Minnesota Consortium on Aging, Minneapolis, MN, United States; University of Minnesota Clinical and Translational Science Institute, Minneapolis, MN, United States; University of Minnesota Department of Medicine, Minneapolis, MN, United States
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Anderson AM, Bhondoekhan F, Curanovic D, Connelly MA, Otvos JD, Post WS, Michos ED, Stosor V, Levine A, Seaberg E, Weinstein AM, Becker JT. Higher Soluble CD163 in Blood Is Associated With Significant Depression Symptoms in Men With HIV. J Acquir Immune Defic Syndr 2022; 91:325-333. [PMID: 35969468 PMCID: PMC9588493 DOI: 10.1097/qai.0000000000003063] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/31/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND People with HIV (PWH) are more likely to experience depression, a highly morbid disease. More evidence is needed to better understand mechanisms of depression in PWH. We evaluated a panel of blood biomarkers in relation to depression symptoms in the Multicenter AIDS Cohort Study (MACS). SETTING Four sites in the United States. METHODS A cross-sectional analysis was performed within the MACS, a prospective study of cisgender men with and without HIV. Depression was assessed with the Center for Epidemiological Studies-Depression Scale, and six blood biomarkers were measured: GlycA, high sensitivity C-reactive protein (CRP), interleukin-6, CCL2, soluble CD14 (sCD14), and soluble CD163 (sCD163). Using univariable and multivariable logistic regression, the biomarkers and other factors were evaluated in relation to significant depression symptoms (SDS) by Center for Epidemiological Studies-Depression score ≥16. RESULTS 784 men were analyzed; most of whom (63%) were PWH. PWH were more likely to have SDS (32% vs. 21%). In univariable analysis, higher GlycA, CRP, and sCD163 concentrations were associated with SDS. In multivariable analysis, however, only higher sCD163 concentration was associated with SDS (odds ratio = 2.30, 95% CI = 1.11 to 4.76). This relationship was driven by the PWH group (odds ratio = 2.72, 95% CI = 1.12 to 6.58) and remained significant when controlling for antidepressant use. Lack of college education was also associated with SDS. CONCLUSIONS Higher sCD163, a marker of macrophage activation, was significantly associated with significant depression symptoms in the MACS. Further research on this biomarker and macrophage activation in general is warranted to better understand and treat depression in PWH.
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Affiliation(s)
- Albert M Anderson
- Department of Medicine, Division of Infectious Diseases, Emory University School of Medicine, Druid Hills, GA
| | - Fiona Bhondoekhan
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | | | | | | | - Wendy S Post
- Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Erin D Michos
- Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Valentina Stosor
- Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Andrew Levine
- Department of Neurology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA; and
| | - Eric Seaberg
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Andrea M Weinstein
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - James T Becker
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA
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Matyus SP, Wolak-Dinsmore J, Garcia E, Young RM, Connelly MA. Vantera Mediated Quantification of Urine Citrate and Creatinine: A New Technology to Assess Risk of Nephrolithiasis. Diagnostics (Basel) 2022; 12:2606. [PMID: 36359450 PMCID: PMC9689642 DOI: 10.3390/diagnostics12112606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/18/2022] [Accepted: 10/25/2022] [Indexed: 08/30/2023] Open
Abstract
Urine citrate is often used to identify patients at risk of recurrent nephrolithiasis or kidney stones. A high-throughput assay was developed to measure urine citrate and creatinine on the Vantera® Clinical Analyzer, a nuclear magnetic resonance (NMR) instrument designed for the clinical laboratory. Assay performance was evaluated and comparisons between the NMR and chemistry results were conducted. Linearity was demonstrated over a wide range of concentrations for citrate (6 and 2040 mg/L) and creatinine (2.8 and 1308 mg/dL). Intra-and inter-assay precision (%CV) ranged from 0.9 to 3.7% for citrate and 0.4 to 2.1% for creatinine. The correlation coefficients for the comparison between NMR and chemistry results were 0.98 (Y = 1.00X + 5.0) for citrate and 0.96 (Y = 0.968X + 0.97) for creatinine. The reference intervals for both analytes were confirmed. Ten endogenous and exogenous substances were tested and none were found to interfere with the assay results. In conclusion, the newly developed high-throughput NMR assay exhibited robust performance and generated results comparable to the currently utilized chemistry tests, thereby providing an alternative means to simultaneously quantify urine citrate and creatinine for clinical and research use. Furthermore, the NMR assay does not exhibit the same interference limitations as the chemistry tests and it enables multiplexing with other urine metabolite assays which saves time and costs.
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Garcia‑Gavilan JF, Connelly MA, Babio N, Mantzoros CS, Ros E, Salas‑Salvado J. Correction: Nut consumption is associated with a shift of the NMR lipoprotein subfraction profile to a less atherogenic pattern among older individuals at high CVD risk. Cardiovasc Diabetol 2022; 21:219. [PMID: 36289490 PMCID: PMC9609161 DOI: 10.1186/s12933-022-01659-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Jesus F. Garcia‑Gavilan
- grid.410367.70000 0001 2284 9230Universitat Rovira i Virgili, Departament de Bioquimica i Biotecnologia, Unitat de Nutricio Humana, 43201 Reus, Tarragona, Spain ,grid.420268.a0000 0004 4904 3503Institut d’Investigacio Sanitaria Pere Virgili (IISPV), Reus, Spain ,grid.413448.e0000 0000 9314 1427Consorcio CIBER, Fisiopatologia de la Obesidad y Nutricion (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Margery A. Connelly
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, Raleigh, NC USA
| | - Nancy Babio
- grid.410367.70000 0001 2284 9230Universitat Rovira i Virgili, Departament de Bioquimica i Biotecnologia, Unitat de Nutricio Humana, 43201 Reus, Tarragona, Spain ,grid.420268.a0000 0004 4904 3503Institut d’Investigacio Sanitaria Pere Virgili (IISPV), Reus, Spain ,grid.413448.e0000 0000 9314 1427Consorcio CIBER, Fisiopatologia de la Obesidad y Nutricion (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Christos S. Mantzoros
- grid.239395.70000 0000 9011 8547Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215 USA ,grid.410370.10000 0004 4657 1992Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, Boston, MA 02130 USA
| | - Emilio Ros
- grid.413448.e0000 0000 9314 1427Consorcio CIBER, Fisiopatologia de la Obesidad y Nutricion (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain ,grid.410458.c0000 0000 9635 9413Lipid Clinic, Department of Endocrinology and Nutrition, Agust Pi i Sunyer Biomedical Research Institute (IDIBAPS), Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Jordi Salas‑Salvado
- grid.410367.70000 0001 2284 9230Universitat Rovira i Virgili, Departament de Bioquimica i Biotecnologia, Unitat de Nutricio Humana, 43201 Reus, Tarragona, Spain ,grid.420268.a0000 0004 4904 3503Institut d’Investigacio Sanitaria Pere Virgili (IISPV), Reus, Spain ,grid.413448.e0000 0000 9314 1427Consorcio CIBER, Fisiopatologia de la Obesidad y Nutricion (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
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García-Gavilán JF, Connelly MA, Babio N, Matzoros CS, Ros E, Salas-Salvadó J. Nut consumption is associated with a shift of the NMR lipoprotein subfraction profile to a less atherogenic pattern among older individuals at high CVD risk. Cardiovasc Diabetol 2022; 21:189. [PMID: 36127725 PMCID: PMC9487141 DOI: 10.1186/s12933-022-01624-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/08/2022] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Scientific evidence has accumulated on the beneficial effects of nut consumption on cardiovascular risk and cholesterol reduction, but few studies have examined the effects of nuts on advanced measures of lipoprotein atherogenicity determined by nuclear magnetic resonance (NMR) spectroscopy. We analyzed associations between the amount and type of of nuts consumed and advanced measures of lipoprotein atherogenity and insulin resistance in older individuals at high cardiovascular risk. METHODS The present observational study was carried out within the framework of the Prevención con Dieta Mediterránea (PREDIMED) trial. Cross-sectional and longitudinal analyses after 1-year of follow-up were conducted in 196 men and women recruited in the PREDIMED-Reus (Spain) center. Dietary intake was assessed using a validated semi-quantitative food questionnaire. Baseline and 1-year fasting plasma lipoprotein and metabolite profiling were performed in plasma using NMR spectra Vantera® Clinical Analyzer. Associations by tertiles of nut consumption between baseline and 1-year changes and advanced measures of lipoprotein atherogenicity, branched chain amminoacids, and measures of insulin resistance were tested by multivariable-adjusted ANCOVA models. RESULTS Compared to paticipants in the bottom tertile, those in the top tertile of total nut consumption showed higher levels of large HDL particles and HDL-cholesterol, lower levels of branched-chain amino acids (BCAA) and GlycA, and reduced lipoprotein insulin resistance and diabetes risk index. Participants in the top tertile of walnut consumption disclosed lower levels of very large VLDL, total LDL particles, LDL-cholesterol, and GlycA. Participants in the top tertile of non-walnut nut consumption displayed higher levels of total HDL particles, HDL-cholesterol and apoliporotein A1, lower BCAA and GlycA, and reduced lipoprotein insulin resistance. Participants in the top tertile of 1-year changes in walnut consumption showed increases in medium-sized HDL particles in comparison to the bottom tertile. CONCLUSIONS In older individuals at high cardiovascular risk, increasing nut consumption was associated with a shift of the NMR lipoprotein subfraction profile to a less atherogenic pattern, as well as lower circulating concentrations of BCAA and decreased insulin resistance. These results provide novel mechanistic insight into the cardiovascular benefit of nut consumption. Trial registration ISRCTN35739639; registration date: 05/10/2005; recruitment start date 01/10/2003.
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Affiliation(s)
- Jesús F García-Gavilán
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Unitat de Nutrició Humana, 43201, Reus, Tarragona, Spain.,Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain.,Consorcio CIBER, Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Margery A Connelly
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, Raleigh, NC, USA
| | - Nancy Babio
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Unitat de Nutrició Humana, 43201, Reus, Tarragona, Spain.,Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain.,Consorcio CIBER, Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Christos S Matzoros
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA, 02215, USA.,Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, Boston, MA, 02130, USA
| | - Emilio Ros
- Consorcio CIBER, Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.,Lipid Clinic, Department of Endocrinology and Nutrition, Agust Pi i Sunyer Biomedical Research Institute (IDIBAPS), Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Jordi Salas-Salvadó
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Unitat de Nutrició Humana, 43201, Reus, Tarragona, Spain. .,Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain. .,Consorcio CIBER, Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
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Bouzoni E, Perakakis N, Connelly MA, Angelidi AM, Pilitsi E, Farr O, Stefanakis K, Mantzoros CS. PCSK9 and ANGPTL3 levels correlate with hyperlipidemia in HIV-lipoatrophy, are regulated by fasting and are not affected by leptin administered in physiologic or pharmacologic doses. Metabolism 2022; 134:155265. [PMID: 35820631 DOI: 10.1016/j.metabol.2022.155265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/04/2022] [Accepted: 07/04/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Medications leveraging the leptin, PCSK9, ANGPTL3 and FABP4 pathways are being developed for the treatment of insulin resistance and/or lipid disorders. To evaluate whether these pathways are independent from each other, we assessed the levels of PCSK9, ANGPTL3 and FABP4, in normal subjects and subjects exhibiting HIV and highly active antiretroviral therapy (HAART) induced metabolic syndrome with lipoatrophy and hypoleptinemia. Studies were performed at baseline and during food deprivation for three days with either a placebo or leptin administration at physiological replacement doses to correct fasting induced acute hypoleptinemia and in pharmacological doses. METHODS PCSK9, ANGPTL3, FABP4 levels and their correlations to lipoproteins-metabolites were assessed in randomized placebo controlled cross-over studies: a) in 15 normal-weight individuals undergoing three-day admissions in the fed state, in complete fasting with placebo and in complete fasting with leptin treatment in physiologic replacement doses (study 1), b) in 15 individuals day baseline in a fed and three fasting admissions for three days with leptin administered in physiologic, supraphysiologic and pharmacologic doses (study 2), c) in 7 hypoleptinemic men with HIV and HAART-induced lipoatrophy treated with leptin or placebo for two months in the context of a cross over randomized trial (study 3). RESULTS Circulating ANGPTL3, PCSK9 and FABP4 were markedly elevated in HIV-lipoatrophy and not affected by leptin treatment. PCSK9 levels correlated with lipids and markers of lipid utilization and lipolysis. ANGPTL3 levels correlated with HDL particles and their lipid composition. FABP4 levels were negatively associated with HDL diameter (HDL-D) and composition. PCSK9 and ANGPTL3 levels decreased during food deprivation by ~65 % and 30 % respectively. Leptin administration at physiologic, supraphysiologic and pharmacologic doses did not affect PCSK9, ANGPTL3 and FABP4 levels. CONCLUSIONS PCSK9, ANGPTL3 and FABP4 levels are associated with markers of lipid metabolism and are higher in HIV-lipoatrophy. PCSK9 and ANGPTL3 but not FABP4 decrease in response to food deprivation. PCSK9 and ANGPTL3 regulation is leptin-independent, suggesting independent pathways for lipid regulation. Thus, combining treatments of leptin with PCSK9 and/or ANGPTL3 inhibitors for metabolic diseases should have additive effects and merit further investigation. CLINICAL TRIAL INFORMATION ClinicalTrials.gov no. NCT00140231, NCT00140205, NCT00140244.
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Affiliation(s)
- Eirini Bouzoni
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States.
| | - Nikolaos Perakakis
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
| | - Margery A Connelly
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, NC 27560, United States
| | - Angeliki M Angelidi
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
| | - Eleni Pilitsi
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
| | - Olivia Farr
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
| | - Konstantinos Stefanakis
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States
| | - Christos S Mantzoros
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, United States; Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, MA 02130, United States
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Knol M, van der Vaart A, Vart P, Kieneker L, Connelly MA, Garcia E, Bakker SJL, Gansevoort R, Van Gastel M. MO460: The Association of Beta-Hydroxybutyrate and Kidney Function Decline in the General Population—Results From the Prevend Study. Nephrol Dial Transplant 2022. [DOI: 10.1093/ndt/gfac070.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND AND AIMS
Beta-hydroxybutyrate (BHB), a ketone body, has shown to be renoprotective in various disease-specific preclinical studies. The underlying mechanism of this renoprotective effect might be via the reduction of inflammation, apoptosis, oxidative stress, and fibrosis. Interest in the effects of this metabolite is rising because supplementation is possible as an intervention. We hypothesized that endogenous BHB is associated with better kidney function outcomes in the general population. The aim of this study is to assess the association between BHB and kidney function.
METHOD
We included 6127 participants with available plasma BHB data from the Prevention of Renal and Vascular End-stage Disease (PREVEND) study, a prospective, population-based cohort of Dutch men and women. BHB was measured in fasting participants using nuclear magnetic resonance (NMR) spectroscopy. The association of BHB with estimated glomerular filtration rate (eGFR), calculated with the CKD-EPI creatinine cystatin C equation, was tested using multivariable linear regression for cross-sectional analyses and linear mixed modeling for longitudinal analyses. The analyses were adjusted for sex, age, BMI, smoking, diabetes type 2, hypertension and hyperlipidemia.
RESULTS
Overall, 50.6% of the included subjects were female, mean age was 53.6 ± 12.1 years. At baseline, the median BHB concentration was 121.5 μmol/L [inter quartile range (IQR) 92.8–169.2] and the mean eGFR was 92 ± 17 mL/min/1.73m2. In cross-sectional analyses, a higher BHB was associated with a lower eGFR, after adjustment for covariates (st.β= −0.041, P < 0.001). During a median follow-up of 7.5 years (IQR 7.2–8.0), the mean annual change in eGFR was −0.96 ± 0.52 mL/min/1.73m2/year. In longitudinal analyses, a higher BHB was associated with less eGFR decline in the fully adjusted model [0.17 (95% confidence interval, CI 0.01–0.33); P = 0.04]. After exclusion of participants with diabetes type 2, the association of BHB and eGFR decline became stronger [0.22 (95% CI 0.06–0.38); P = 0.01].
CONCLUSION
Higher BHB levels were associated with less eGFR decline in this general population cohort. In combination with previous preclinical data, this data supports the hypothesis that BHB is renoprotective and forms a rationale to study whether supplementation with BHB attenuates kidney function decline in patients with chronic kidney disease.
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Affiliation(s)
- Martine Knol
- University Medical Center Groningen, Groningen, The Netherlands
| | | | - Priya Vart
- University Medical Center Groningen, Groningen, The Netherlands
| | - Lyanne Kieneker
- University Medical Center Groningen, Groningen, The Netherlands
| | | | - Erwin Garcia
- Laboratory Corporation of America Holdings (LabCorp), Morrisville, USA
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Garcia E, Shalaurova I, Matyus SP, Schutten JC, Bakker SJL, Dullaart RPF, Connelly MA. Nuclear Magnetic Resonance-Measured Ionized Magnesium Is Inversely Associated with Type 2 Diabetes in the Insulin Resistance Atherosclerosis Study. Nutrients 2022; 14:nu14091792. [PMID: 35565760 PMCID: PMC9103587 DOI: 10.3390/nu14091792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 02/05/2023] Open
Abstract
The aims were to optimize a nuclear magnetic resonance (NMR)-based assay for quantifying ionized or free magnesium and investigate its association with type 2 diabetes (T2D). A high-throughput, ionized magnesium assay was optimized and evaluated. Plasma magnesium was quantified, and associations with T2D were ascertained in Insulin Resistance Atherosclerosis Study (IRAS) participants. Coefficients of variation for the ionized magnesium assay ranged from 0.7−1.5% for intra-assay and 4.2−4.7% for inter-assay precision. In IRAS (n = 1342), ionized magnesium was significantly lower in subjects with prediabetes and T2D than in normoglycemic subjects, and lower in participants with T2D than those with prediabetes (p < 0.0001). Cross-sectional regression analyses revealed that magnesium was associated with T2D at baseline in models adjusted for multiple clinical risk factors (p = 0.032). This association appeared to be modified by sex, in such a way that the associations were present in women (OR = 0.54 (95% CI 0.37−0.79), p = 0.0015) and not in men (OR = 0.98 (95% CI 0.71−1.35), p = 0.90). Longitudinal regression analyses revealed an inverse association between magnesium and future T2D in the total population (p = 0.035) that was attenuated by LP-IR (p = 0.22). No interactions were detected between magnesium and age, race, BMI, glucose, insulin, triglycerides, or LPIR for the prospective association with future T2D. However, a significant interaction between magnesium and sex was present, now with a trend for an association in men (OR = 0.75 (95% CI 0.55−1.02), p = 0.065 and absence of an association in women (OR = 1.01 (0.76−1.33), p = 0.97). Conclusions: lower ionized magnesium, as measured by an NMR-based assay optimized for accuracy and precision, was associated cross-sectionally with T2D at baseline and longitudinally with incident T2D in IRAS.
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Affiliation(s)
- Erwin Garcia
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA; (E.G.); (I.S.); (S.P.M.)
| | - Irina Shalaurova
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA; (E.G.); (I.S.); (S.P.M.)
| | - Steven P. Matyus
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA; (E.G.); (I.S.); (S.P.M.)
| | - Joelle C. Schutten
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands; (J.C.S.); (S.J.L.B.)
| | - Stephan J. L. Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands; (J.C.S.); (S.J.L.B.)
| | - Robin P. F. Dullaart
- Department of Internal Medicine, Division of Endocrinology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands;
| | - Margery A. Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA; (E.G.); (I.S.); (S.P.M.)
- Correspondence:
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Post A, Garcia E, Gruppen EG, Kremer D, Connelly MA, Bakker SJL, Dullaart RPF. Higher Free Triiodothyronine Is Associated With Higher HDL Particle Concentration and Smaller HDL Particle Size. J Clin Endocrinol Metab 2022; 107:e1807-e1815. [PMID: 35106588 PMCID: PMC9016450 DOI: 10.1210/clinem/dgac044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Indexed: 11/23/2022]
Abstract
CONTEXT Thyroid function status has effects on the development of atherosclerotic cardiovascular disease by affecting lipid metabolism, but associations of high-density lipoprotein (HDL) particle concentrations and subfractions with thyroid hormone levels within the reference range remain elusive. OBJECTIVE The aim of the present study was to determine the associations of free triiodothyronine (FT3), free thyroxine (FT4) and thyroid-stimulating hormone (TSH) levels with HDL particle characteristics in euthyroid individuals. METHODS This cross-sectional study on the associations of thyroid hormones with HDL particle concentrations, HDL subfractions, and HDL particle size included 5844 euthyroid individuals (FT3, FT4, and TSH levels within the reference range and no medication use affecting thyroid function), participating in the Prevention of REnal and Vascular ENd-stage Disease (PREVEND) study. HDL particles and subfractions were measured by nuclear magnetic resonance using an optimized version of the NMR LipoProfile Test (LP4). RESULTS In multivariable linear regression analyses, FT3 was positively associated with total HDL particle concentration (std.β = 0.14; P < 0.001) and with small (std.β = 0.13; P < 0.001) and medium-sized HDL particles (std.β = 0.05; P = 0.001). Conversely, FT3 was inversely associated with large HDL particles (std.β = -0.07; P < 0.001) and with HDL particle size (std.β = -0.08; P < 0.001). Such associations with FT4 or reciprocally with TSH were less pronounced or nonsignificant. CONCLUSION In euthyroid individuals, higher FT3 is cross-sectionally associated with higher total HDL particle concentration and with lower HDL particle size. These associations may be relevant to better understand the role of HDL in thyroid function-associated atherosclerotic cardiovascular disease.
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Affiliation(s)
- Adrian Post
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Erwin Garcia
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA
| | - Eke G Gruppen
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Daan Kremer
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Margery A Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA
| | - Stephan J L Bakker
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Robin P F Dullaart
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
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Hu K, Perez-Matos MC, Argemi J, Vilar-Gomez E, Shalaurova I, Bullitt E, Landeen L, Sugahara G, Deng H, Mathur K, Tran S, Cai H, He H, Yalcin Y, Vieira Barbosa J, Ventura-Cots M, Marx K, Gad AP, Niezen S, Izunza Barba S, Ang LH, Popov YV, Fricker Z, Lai M, Curry M, Afdhal N, Szabo G, Mukamal KJ, Sanyal AJ, Otvos JD, Malik R, Saito T, Connelly MA, Chalasani NP, Bataller R, Jiang ZG. Lipoprotein Z, a hepatotoxic lipoprotein, predicts outcome in alcohol-associated hepatitis. Hepatology 2022; 75:968-982. [PMID: 34662439 PMCID: PMC9299888 DOI: 10.1002/hep.32203] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 09/01/2021] [Accepted: 09/20/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIMS Lipoprotein Z (LP-Z) is an abnormal free cholesterol (FC)-enriched LDL-like particle discovered from patients with cholestatic liver disease. This study aims to define the diagnostic value of LP-Z in alcohol-associated hepatitis (AH) and interrogate the biology behind its formation. APPROACH AND RESULTS We measured serum levels of LP-Z using nuclear magnetic resonance spectroscopy, a well-established clinical assay. Serum levels of LP-Z were significantly elevated in four AH cohorts compared with control groups, including heavy drinkers and patients with cirrhosis. We defined a Z-index, calculated by the ratio of LP-Z to total apolipoprotein B-containing lipoproteins, representing the degree of deviation from normal VLDL metabolism. A high Z-index was associated with 90-day mortality independent from the Model for End-Stage Liver Disease (MELD) and provided added prognosticative value. Both a Z-index ≤ 0.6 and a decline of Z-index by ≥0.1 in 2 weeks predicted 90-day survival. RNA-sequencing analyses of liver tissues demonstrated an inverse association in the expression of enzymes responsible for the extrahepatic conversion of VLDL to LDL and AH disease severity, which was further confirmed by the measurement of serum enzyme activity. To evaluate whether the FC in LP-Z could contribute to the pathogenesis of AH, we found significantly altered FC levels in liver explant of patients with AH. Furthermore, FC in reconstituted LP-Z particles caused direct toxicity to human hepatocytes in a concentration-dependent manner, supporting a pathogenic role of FC in LP-Z. CONCLUSIONS Impaired lipoprotein metabolism in AH leads to the accumulation of LP-Z in the circulation, which is hepatotoxic from excessive FC. A Z-index ≤ 0.6 predicts 90-day survival independent from conventional biomarkers for disease prognostication.
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Affiliation(s)
- Kunpeng Hu
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA.,Division of General SurgeryThe Third Affiliated Hospital of Sun Yat-Sen UniversityGuangzhouChina
| | - Maria C Perez-Matos
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Josepmaria Argemi
- Division of Gastroenterology, Hepatology, and NutritionUniversity of Pittsburgh Medical CenterPittsburghPennsylvaniaUSA.,Hepatology ProgramCentro de Investigacion Medica Aplicada, Liver UnitClinica Universidad de NavarraInstituto de Investigacion de NavarraUniversity of NavarraPamplonaSpain
| | - Eduardo Vilar-Gomez
- Division of Gastroenterology and HepatologyIndiana University School of MedicineIndianapolisIndianaUSA
| | - Irina Shalaurova
- Laboratory Corporation of America HoldingsMorrisvilleNorth CarolinaUSA
| | - Esther Bullitt
- Department of Physiology and BiophysicsBoston University School of MedicineBostonMassachusettsUSA
| | | | - Go Sugahara
- Division of Gastrointestinal and Liver DiseasesKeck School of MedicineUniversity of Southern CaliforniaLos AngelesCaliforniaUSA.,Research and Development DepartmentPhoenixBio, Co., LtdHigashi-Hiroshima, HiroshimaJapan
| | - Huiyan Deng
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Karan Mathur
- Division of Gastroenterology and HepatologyIndiana University School of MedicineIndianapolisIndianaUSA
| | - Stephanie Tran
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Huimei Cai
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Hanchang He
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Yusuf Yalcin
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Joana Vieira Barbosa
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA.,Division of Gastroenterology and HepatologyLausanne University Hospital and University of LausanneLausanneSwitzerland
| | - Meritxell Ventura-Cots
- Division of Gastroenterology, Hepatology, and NutritionUniversity of Pittsburgh Medical CenterPittsburghPennsylvaniaUSA
| | - Katherine Marx
- Transplant InstituteDepartment of SurgeryBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Aniket P Gad
- Confocal Imaging Core facilityBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Sebastian Niezen
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Sofia Izunza Barba
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Lay-Hong Ang
- Confocal Imaging Core facilityBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Yury V Popov
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Zachary Fricker
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Michelle Lai
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Michael Curry
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Nezam Afdhal
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Gyongyi Szabo
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Kenneth J Mukamal
- Division of General MedicineDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Arun J Sanyal
- Division of Gastroenterology, Hepatology and NutritionVirginia Commonwealth University School of MedicineRichmondVirginiaUSA
| | - James D Otvos
- Laboratory Corporation of America HoldingsMorrisvilleNorth CarolinaUSA
| | - Raza Malik
- Liver CenterDivision of GastroenterologyTufts Medical CenterBostonMassachusettsUSA
| | - Takeshi Saito
- Division of Gastrointestinal and Liver DiseasesKeck School of MedicineUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | | | - Naga P Chalasani
- Division of Gastroenterology and HepatologyIndiana University School of MedicineIndianapolisIndianaUSA
| | - Ramon Bataller
- Division of Gastroenterology, Hepatology, and NutritionUniversity of Pittsburgh Medical CenterPittsburghPennsylvaniaUSA
| | - Z Gordon Jiang
- Division of Gastroenterology, Hepatology, and NutritionDepartment of MedicineBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
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van den Berg EH, Flores-Guerrero JL, Gruppen EG, Garcia E, Connelly MA, de Meijer VE, Bakker SJL, Blokzijl H, Dullaart RPF. Profoundly Disturbed Lipoproteins in Cirrhotic Patients: Role of Lipoprotein-Z, a Hepatotoxic LDL-like Lipoprotein. J Clin Med 2022; 11:jcm11051223. [PMID: 35268313 PMCID: PMC8910943 DOI: 10.3390/jcm11051223] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/20/2022] [Accepted: 02/23/2022] [Indexed: 12/17/2022] Open
Abstract
Detailed information regarding lipoprotein concentrations and subfractions in cirrhotic patients before and after orthotopic liver transplantation (OLT) is lacking. Lipoprotein-Z (LP-Z) is a recently characterised abnormal, hepatotoxic free cholesterol-rich low-density lipoprotein (LDL)-like lipoprotein. We determined the lipoprotein profiles, including LP-Z, in cirrhotic patients and OLT recipients and assessed the prognostic significance of LP-Z on the OLT waiting list. We performed analyses in cirrhotic transplant candidates and non-cirrhotic OLT recipients. A population-based cohort was used as reference. The setting was a University hospital. Lipoprotein particle concentrations and subfractions were measured by nuclear magnetic resonance spectroscopy. In the cirrhotic patients (N = 130), most measures of triglyceride-rich lipoproteins (TRL), LDL, and high-density lipoproteins (HDL) were much lower compared to the OLT recipients (N = 372) and controls (N = 6027) (p < 0.01). In the OLT recipients, many lipoprotein variables were modestly lower, but HDL-cholesterol, triglycerides, and TRL and HDL size were greater vs. the control population. LP-Z was measurable in 40 cirrhotic patients and 3 OLT recipients (30.8% vs. 0.8%, p < 0.001). The cirrhotic patients with measurable LP-Z levels had profoundly lower HDL-cholesterol and particle concentrations (p < 0.001), and worse Child Pugh Turcotte classifications and MELD scores. The presence of LP-Z (adjusted for age, sex, and MELD score) predicted worse survival in cirrhotic patients (HR per 1 LnSD increment: 1.11, 95%CI 1.03−1.19, p = 0.003). In conclusion, cirrhotic patients have considerably lower plasma concentrations of all major lipoprotein classes with changes in lipoprotein subfraction distribution. After OLT, these lipoprotein abnormalities are in part reversed. LP-Z is associated with cirrhosis. Its presence may translate in disturbed HDL metabolism and worse survival.
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Affiliation(s)
- Eline H. van den Berg
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands;
- Correspondence: ; Tel.: +31-50-3610426
| | - Jose L. Flores-Guerrero
- Department of Nephrology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands; (J.L.F.-G.); (E.G.G.); (S.J.L.B.)
| | - Eke G. Gruppen
- Department of Nephrology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands; (J.L.F.-G.); (E.G.G.); (S.J.L.B.)
| | - Erwin Garcia
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA; (E.G.); (M.A.C.)
| | - Margery A. Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, USA; (E.G.); (M.A.C.)
| | - Vincent E. de Meijer
- Department of Hepatopancreatobiliary Surgery and Liver Transplantation, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands;
| | - Stephan J. L. Bakker
- Department of Nephrology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands; (J.L.F.-G.); (E.G.G.); (S.J.L.B.)
| | - Hans Blokzijl
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands;
| | - Robin P. F. Dullaart
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands;
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Böhler M, van den Berg EH, Almanza MCT, Connelly MA, Bakker SJL, de Meijer VE, Dullaart RPF, Blokzijl H. Branched Chain Amino Acids are associated with Metabolic Complications in Liver Transplant Recipients. Clin Biochem 2022; 102:26-33. [PMID: 35143831 DOI: 10.1016/j.clinbiochem.2022.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/24/2022] [Accepted: 01/31/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Obesity, dyslipidemia and type 2 diabetes (T2D) contribute substantially to increased cardiovascular morbidity and mortality in patients after orthotopic liver transplantation (OLTx). Elevated plasma branched chain amino acids (BCAA) are linked to metabolic disturbances and cardiovascular disease (CVD) risk profiles in several non-OLTx populations. METHODS Cross-sectional analysis of liver transplant recipients from TransplantLines, a single-center biobank and cohort study. BCAA plasma levels were measured by means of nuclear-magnetic resonance spectroscopy. CVD and cardiometabolic factors were collected by using data from electronic patient records. Associations were determined between BCAA plasma levels and T2D, Metabolic Syndrome (MetS), CVD as well as mTOR inhibition in liver transplant recipients. RESULTS 336 Patients were divided into sex-stratified tertiles of total BCAA. MetS (P<0.001) and T2D (P=0.002) were significantly more frequent in subjects in the highest BCAA tertile. In logistic regression analyses, the multivariable adjusted odds ratio (OR) per 1 standard deviation increase in BCAA was 1.68 (95%CI: 1.18-2.20, P=0.003) for MetS and 1.60 (95%CI: 1.14-2.23, P=0.006) for T2D. Use of Sirolimus (mTOR inhibitor) was significantly associated with higher BCAA plasma levels, independent of age, sex, time after OLTx, MetS and other immunosuppressive medication (adjusted P=0.002). CONCLUSION Elevated BCAA plasma levels are associated with T2D, MetS and use of Sirolimus in liver transplant recipients. BCAA plasma levels may represent a valuable biomarker for cardiometabolic complications after OLTx.
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Affiliation(s)
- Marco Böhler
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Eline H van den Berg
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Maria C T Almanza
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Margery A Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC 27560, United States of America
| | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Vincent E de Meijer
- Department of Surgery, Division of Hepato-Pancreato-Biliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Robin P F Dullaart
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Hans Blokzijl
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, The Netherlands.
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Post A, Kremer D, Swarte JC, Sokooti S, Vogelpohl FA, Groothof D, Kema I, Garcia E, Connelly MA, Wallimann T, Dullaart RP, Franssen CF, Bakker SJ. Plasma creatine concentration is associated with incident hypertension in a cohort enriched for the presence of high urinary albumin concentration: the Prevention of Renal and Vascular Endstage Disease study. J Hypertens 2022; 40:229-239. [PMID: 34371517 PMCID: PMC8728759 DOI: 10.1097/hjh.0000000000002996] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/22/2021] [Accepted: 07/24/2021] [Indexed: 11/27/2022]
Abstract
OBJECTIVE : Hypertension is a major risk factor for cardiovascular disease, kidney disease, and premature death. Increased levels of creatine kinase are associated with development of hypertension. However, it is unknown if creatine, a substrate of CK, is associated with the development of hypertension. We therefore, aimed to investigate the association between plasma creatine concentration and incident hypertension. METHODS We measured fasting plasma creatine concentrations by nuclear magnetic resonance spectroscopy in participants of the population-based PREVEND study. The study outcome was incident hypertension, defined as either a SBP of at least 140 mmHg, a DBP of at least 90 mmHg, or the new usage of antihypertensive drugs. Participants with hypertension at baseline were excluded. RESULTS We included 3135 participants (46% men) aged 49 ± 10 years. Mean plasma creatine concentrations were 36.2 ± 17.5 μmol/l, with higher concentrations in women than in men (42.2 ± 17.6 versus 29.2 ± 17.6 μmol/l; P < 0.001). During a median of 7.1 [interquartile range: 3.6-7.6] years of follow-up, 927 participants developed incident hypertension. Higher plasma creatine concentrations were associated with an increased risk of incident hypertension [HR per doubling of plasma creatine: 1.21 (95% confidence interval: 1.10-1.34); P < 0.001], which remained significant after adjustment for potential confounders. Sex-stratified analyses demonstrated higher plasma creatine that was independently associated with an increased risk of incident hypertension in men [hazard ratio: 1.26 (95% CI 1.11-1.44); P < 0.001], but not in women (hazard ratio: 1.13 (95% CI 0.96-1.33); P = 0.14]. Causal pathway analyses demonstrate that the association was not explained by sodium or protein intake. CONCLUSION Higher plasma creatine is associated with an increased risk of hypertension in men. Future studies are warranted to determine the underlying mechanisms.
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Affiliation(s)
| | | | | | | | | | | | - Ido.P. Kema
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Erwin Garcia
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina, USA
| | - Margery A. Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina, USA
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Sokooti S, Flores-Guerrero JL, Heerspink HJL, Garcia E, Connelly MA, Bakker SJL, Dullaart RPF. Lipoprotein particle sizes and incident type 2 diabetes: the PREVEND cohort study. Diabetologia 2022; 65:402-405. [PMID: 34800145 PMCID: PMC8741709 DOI: 10.1007/s00125-021-05603-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022]
Affiliation(s)
- Sara Sokooti
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
| | - José L Flores-Guerrero
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Hiddo J L Heerspink
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Erwin Garcia
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, NC, USA
| | - Margery A Connelly
- Laboratory Corporation of America® Holdings (Labcorp), Morrisville, NC, USA
| | - Stephan J L Bakker
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Robin P F Dullaart
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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48
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Huffman KM, Parker DC, Bhapkar M, Racette SB, Martin CK, Redman LM, Das SK, Connelly MA, Pieper CF, Orenduff M, Ross LM, Ramaker ME, Dorling JL, Rosen CJ, Shalaurova I, Otvos JD, Kraus VB, Kraus WE. Calorie restriction improves lipid-related emerging cardiometabolic risk factors in healthy adults without obesity: Distinct influences of BMI and sex from CALERIE™ a multicentre, phase 2, randomised controlled trial. EClinicalMedicine 2022; 43:101261. [PMID: 35028547 PMCID: PMC8741476 DOI: 10.1016/j.eclinm.2021.101261] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/06/2021] [Accepted: 12/17/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND For many cardiovascular risk factors there is no lower limit to which further reduction will result in decreased disease risk; this includes values within ranges considered normal for healthy adults. This seems to be true for new emerging metabolic risk factors identified by innovative technological advances. Further, there seems to be ever evolving evidence of differential responses to lifestyle interventions by sex and body compositions in the normal range. In this secondary analysis, we had the opportunity to test these principles for newly identified molecular biomarkers of cardiometabolic risk in a young (21-50 years), normal weight healthy population undergoing calorie restriction for two years. METHODS The Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE™) was a 24-month, multicenter, randomized controlled trial (May 2007-November 2012) in healthy, adults without obesity to evaluate the potential for calorie restriction (CR) to promote anti-aging adaptations, including those associated with disease risk. 218 participants (age 37.9 ± 7.2 years and body mass index (BMI) 25.1 ± 1.7 kg/m2, mean±SD) were randomized 2:1 to 24 months of CR (prescribed as 25% reduction from baseline calorie intake) versus ad libitum (AL). Fasting plasma from baseline, 12, and 24 months was used for assessments of lipoproteins, metabolites, and inflammatory markers using nuclear magnetic resonance spectroscopy. FINDINGS Averaging 11.9% CR, the CR group had reductions at 12 and 24 months in the cardiovascular disease risk markers, apolipoprotein B and GlycA, and risks for insulin resistance and type 2 diabetes-Lipoprotein Insulin Resistance Index and Diabetes Risk Index (all PCRvsAL ≤0.0009). Insulin resistance and diabetes risk improvements resulted from CR-induced alterations in lipoproteins, specifically reductions in triglyceride-rich lipoprotein particles and low-density lipoprotein particles, a shift to larger high-density lipoprotein particles (more effective cholesterol transporters), and reductions in branched chain amino acids (BCAAs) (all PCRvsAL ≤0.004). These CR responses were more pronounced in overweight than normal weight participants and greater in men than women. INTERPRETATION In normal to slightly overweight adults without overt risk factors or disease, 12 months of ∼12% CR improved newly identified risk markers for atherosclerotic cardiovascular disease, insulin resistance and type 2 diabetes. These markers suggest that CR improves risks by reducing inflammation and BCAAs and shifting lipoproteins from atherogenic to cholesterol transporting. Additionally, these improvements are greater for men and for those with greater BMIs indicating sex and BMI-influences merit attention in future investigations of lifestyle-mediated improvements in disease risk factors. FUNDING The CALERIE™ trial design and implementation were supported by a National Institutes of Health (NIH) U-grant provided to four institutions, the three intervention sites and a coordinating center (U01 AG022132, U01 AG020478, U01 AG020487 U01 AG020480). For this secondary analysis including sample acquisition and processing, data analysis and interpretation, additional funding was provided by the NIH to authors as follows: R01 AG054840 (MO, VBK); R33 AG070455 (KMH, DCP, MB, SBR, CKM, LMR, SKD, CFP, CJR, WEK); P30 DK072476 (CKM, LMR); and U54 GM104940 (CKM, LMR).
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Affiliation(s)
- Kim M. Huffman
- Divisions of Rheumatology and Immunology, Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
- Corresponding author.
| | - Daniel C. Parker
- Geriatrics, Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
| | - Manjushri Bhapkar
- Duke Clinical Research Institute, Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
| | - Susan B. Racette
- Program in Physical Therapy and Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | | | | | - Sai Krupa Das
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | | | - Carl F. Pieper
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, USA
| | - Melissa Orenduff
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
| | - Leanna M. Ross
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
| | - Megan E. Ramaker
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
| | - James L. Dorling
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Clifford J Rosen
- Maine Medical Center Research Institute 81 Research Drive Scarborough, Maine 04074 USA
| | - Irina Shalaurova
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC, USA
| | - James D. Otvos
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC, USA
| | - Virginia B. Kraus
- Divisions of Rheumatology and Immunology, Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
| | - William E. Kraus
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
- Division of Cardiology, Duke University School of Medicine, Durham, NC, USA
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Anderson AM, Bhondoekhan F, Curanovic D, Connelly MA, Otvos JD, Post WS, Michos ED, Lahiri C, Wolinsky S, Levine A, Seaberg EC, Rubin LH, Vance DE, Becker JT. GlycA is associated with neuropsychological impairment in men with HIV. AIDS 2022; 36:156-159. [PMID: 34873097 PMCID: PMC8667277 DOI: 10.1097/qad.0000000000003094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Albert M Anderson
- Department of Medicine, Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia
| | | | - Dusica Curanovic
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina
| | - Margery A Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina
| | - James D Otvos
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, North Carolina
| | - Wendy S Post
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Erin D Michos
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Cecile Lahiri
- Department of Medicine, Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia
| | | | - Andrew Levine
- David Geffen School of Medicine at the University of California at Los Angeles, Los Angeles, California
| | | | | | - David E Vance
- School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama
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50
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Lo T, Lee Y, Tseng CY, Hu Y, Connelly MA, Mantzoros CS, Karp JM, Tavakkoli A. Daily transient coating of the intestine leads to weight loss and improved glucose tolerance. Metabolism 2022; 126:154917. [PMID: 34687727 PMCID: PMC8666968 DOI: 10.1016/j.metabol.2021.154917] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Roux-en-Y gastric bypass surgery (RYGB) has been shown to be the gold standard treatment for obesity associated type-2-diabetes (T2D), however many T2D patients do not qualify or are reluctant to proceed with surgery due to its potential risks and permanent changes to GI anatomy. We have previously described a novel oral formulation, LuCI, that provides a transient coating of the proximal bowel and mimics the effects of RYGB. Herein, we aim to investigate the outcome of chronic LuCI administration on weight and glucose homeostasis. METHODS Sprague-Dawley rats on a high fat diet achieving diet-induced obesity (DIO) received 5 weeks of daily LuCI or normal saline as control (n = 8/group). Daily weights and glucose tolerance were monitored throughout the experiment. At 5 weeks, systemic blood was sampled through a surgically placed jugular vein catheter, before and during an intestinal glucose bolus, to investigate changes in key hormones involved in glucose metabolism. To elucidate the effects of LuCI on nutrient absorption, fecal output and food intake were measured simultaneously with the analysis of homogenized stool samples performed using bomb calorimetry. RESULTS At 5 weeks, LuCI animals weighted 8.3% less and had lower fasting glucose levels than Controls (77.6 ± 3.8 mg/dl vs. 99.1 ± 2.7 mg/dl, P < 0.001). LuCI-treated animals had lower baseline insulin and HOMA-IR. Post-prandially, LuCI group had increased GLP-1 and GIP secretion following a glucose challenge. Serum lipid analysis revealed lowered LDL levels highlighting the potential to not only improve glucose control but also modify cardiovascular risk. We then investigated whether LuCI's effect on proximal bowel exclusion may play a role in energy balance. Bomb calorimetry analysis suggested that LuCI reduced calorie absorption with no difference in caloric consumption. CONCLUSION We demonstrated that LuCI recapitulates the physical and hormonal changes seen after RYGB and can ameliorate weight gain and improve insulin sensitivity in a DIO rat model. Since LuCI's effect is transient and without systemic absorption, LuCI has the potential to be a novel therapy for overweight or obese T2D patients.
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Affiliation(s)
- Tammy Lo
- Laboratory for Surgical and Metabolic Research, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Yuhan Lee
- Department of Anesthesiology, Perioperative, and Pain Medicine, Center for Nanomedicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Harvard-MIT, Division of Health Sciences and Technology, Boston, MA, USA
| | - Chung-Yi Tseng
- Department of Anesthesiology, Perioperative, and Pain Medicine, Center for Nanomedicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Harvard-MIT, Division of Health Sciences and Technology, Boston, MA, USA
| | - Yangshuo Hu
- Department of Anesthesiology, Perioperative, and Pain Medicine, Center for Nanomedicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Harvard-MIT, Division of Health Sciences and Technology, Boston, MA, USA
| | - Margery A Connelly
- Laboratory Corporation of America Holdings (Labcorp), Morrisville, NC, USA
| | - Christos S Mantzoros
- Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Section of Endocrinology, Boston VA Healthcare System, Harvard Medical School, Boston, MA, USA
| | - Jeffrey M Karp
- Department of Anesthesiology, Perioperative, and Pain Medicine, Center for Nanomedicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Harvard-MIT, Division of Health Sciences and Technology, Boston, MA, USA.
| | - Ali Tavakkoli
- Laboratory for Surgical and Metabolic Research, Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Division of General and GI Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
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