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Sulicka-Grodzicka J, Wizner B, Zdrojewski T, Mossakowska M, Puzianowska-Kuźnicka M, Chudek J, Więcek A, Korkosz M, Caiazzo E, Maffia P, Siedlinski M, Messerli FH, Guzik TJ. Sex-specific relationships of inflammatory biomarkers with blood pressure in older adults. GeroScience 2024; 46:4603-4614. [PMID: 38720047 PMCID: PMC11335980 DOI: 10.1007/s11357-024-01170-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 04/15/2024] [Indexed: 08/22/2024] Open
Abstract
Emerging evidence indicates an association between blood pressure and inflammation, yet this relationship remains unclear in older adults, despite the elevated prevalence of hypertension. We investigated the association between blood pressure, high sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL-6), and white blood cell (WBC) count in a cohort of 3571 older adults aged 65 and above, and 587 middle-aged participants (55-59 years old). In women aged 65 and above, the relationship between inflammatory markers and blood pressure was consistent, with hs-CRP and WBC emerging as predictors of high blood pressure. For hs-CRP, the adjusted odds ratio (OR) was 1.5 (95% CI, 1.07 to 2.10, P = 0.02), and for WBC, the adjusted OR was 1.41 (95% CI, 1.02 to 1.94, P = 0.04), comparing the highest to the lowest quartiles. In men, only the WBC count was significantly associated with an increased OR for high BP (adjusted OR 1.49, 95% CI, 1.09 to 2.02, P = 0.01) across quartiles. Across the entire study population, in a fully adjusted model, all inflammatory markers were modestly associated with blood pressure levels, while the effect of being over 65 years was the most significant predictor of high blood pressure (OR 1.84, 95% CI, 1.50 to 2.25, P < 0.001). The link between key inflammation markers and blood pressure in older adults varies by sex and biomarker type and may differ from the relationship observed in younger individuals. These relationships are likely to be affected by factors linked to age.
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Affiliation(s)
- Joanna Sulicka-Grodzicka
- Department of Rheumatology and Immunology, Jagiellonian University Medical College, Jakubowskiego 2, 30-698, Cracow, Poland.
- School of Infection & Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK.
| | - Barbara Wizner
- Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, Cracow, Poland
| | - Tomasz Zdrojewski
- Department of Preventive Medicine and Education, Medical University of Gdansk, Gdansk, Poland
| | - Małgorzata Mossakowska
- Study On Ageing and Longevity, International Institute of Molecular and Cell Biology, Warsaw, Poland
| | - Monika Puzianowska-Kuźnicka
- Department of Human Epigenetics, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
- Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, Warsaw, Poland
| | - Jerzy Chudek
- Department of Internal Medicine and Oncological Chemotherapy, Medical University of Silesia, Katowice, Poland
| | - Andrzej Więcek
- Department of Nephrology, Transplantation and Internal Medicine Medical, University of Silesia, Katowice, Poland
| | - Mariusz Korkosz
- Department of Rheumatology and Immunology, Jagiellonian University Medical College, Jakubowskiego 2, 30-698, Cracow, Poland
| | - Elisabetta Caiazzo
- School of Infection & Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Pasquale Maffia
- School of Infection & Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
- School of Cardiovascular and Metabolic Health, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Mateusz Siedlinski
- Department of Internal and Agricultural Medicine, Jagiellonian University Medical College, Cracow, Poland
- Medical Genomics Laboratory Omicron, Jagiellonian University Medical College, Cracow, Poland
| | - Franz H Messerli
- Department of BioMedical Research, University of Bern, Bern, Switzerland
| | - Tomasz J Guzik
- Department of Internal and Agricultural Medicine, Jagiellonian University Medical College, Cracow, Poland.
- Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK.
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Baye G, Wondmneh B, Ashenef B, Jemal M, Baylie T. Serum high sensitive C-reactive protein level and its correlation with lipid profile among dyspeptic patients with or without Helicobacter pylori infection in East Gojjam zone, Ethiopia. Front Cardiovasc Med 2024; 11:1470993. [PMID: 39390988 PMCID: PMC11464319 DOI: 10.3389/fcvm.2024.1470993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2024] [Accepted: 09/16/2024] [Indexed: 10/12/2024] Open
Abstract
Introduction Dyspepsia is a group of symptoms located in the gastroduodenal area of the upper gastrointestinal tract characterized by epigastric pain, postprandial completeness, or early satiety and occasionally related to heartburn. Helicobacter pylori is the major causative agent of dyspepsia and gastric-related disorders; besides, it alters different metabolic processes in the human body, such as lipid metabolism and inflammatory processes. Even though dyslipidemia and inflammation are independent risk factors for cardiovascular disorders, we are assessing the interaction between serum lipids and highly sensitive C reactive protein levels among dyspeptic patients to predict potential cardiovascular disorders. Objectives To assess serum high sensitive C reactive protein levels and its correlation with lipid profile among dyspeptic patients. Methods A hospital-based comparative cross-sectional study was conducted from May 2022 to March 2023 in East Gojjam, Ethiopia. One hundred Helicobacter pylori-positive and 100 Helicobacter pylori-negative dyspeptic patients were included. Data were checked for completeness and entered into SPSS version 26.0 software and analyzed. The association between variables was determined by Pearson correlation analysis. A p-value <0.05 was considered statistically significant. Result The mean serum high sensitive C reactive protein was 8.09 ± 7.84 mg/L, and serum high-density lipoprotein, low-density lipoprotein, total cholesterol, and triglyceride were (35.35 ± 7.5, 105.07 ± 87.63, 142.31 ± 71.31, 160.07 ± 43.06) mg/dl, respectively, for Helicobacter pylori positive dyspeptic patients. Among these values, high-density lipoprotein is negatively correlated with high sensitive C reactive and total cholesterol is positively correlated with high sensitive C reactive levels among Helicobacter pylori-infected dyspeptic patients with a p-value < 0.05, but in Helicobacter pylori negative dyspeptic patients, there is no significant correlation between lipid profile and high sensitive C reactive levels. Conclusion Serum high sensitive C reactive levels had a negative correlation with high-density lipoprotein and a positive correlation with total cholesterol among Helicobacter pylori-positive dyspeptic patients. Therefore, the significant interaction between serum lipid levels and inflammation exacerbates the potential risk of cardiovascular disorders among Helicobacter pylori-positive dyspeptic patients.
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Affiliation(s)
- Gelagey Baye
- Department of Biomedical Science, Debre Markos University, Debre Markos, Ethiopia
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James K, Jamil Y, Kumar M, Kwak MJ, Nanna MG, Qazi S, Troy AL, Butt JH, Damluji AA, Forman DE, Orkaby AR. Frailty and Cardiovascular Health. J Am Heart Assoc 2024; 13:e031736. [PMID: 39056350 DOI: 10.1161/jaha.123.031736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
The incidence of frailty and cardiovascular disease (CVD) increases as the population ages. There is a bidirectional relationship between frailty and CVD, and both conditions share several risk factors and underlying biological mechanisms. Frailty has been established as an independent prognostic marker in patients with CVD. Moreover, its presence significantly influences both primary and secondary prevention strategies for adults with CVD while also posing a barrier to the inclusion of these patients in pivotal clinical trials and advanced cardiac interventions. This review discusses the current knowledge base on the relationship between frailty and CVD, how managing CVD risk factors can modify frailty, the influence of frailty on CVD management, and future directions for frailty detection and modification in patients with CVD.
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Affiliation(s)
- Kirstyn James
- Department of Geriatric Medicine Cork University Hospital Cork Ireland
| | - Yasser Jamil
- Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | | | - Min J Kwak
- University of Texas Health Science Center at Houston TX USA
| | - Michael G Nanna
- Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | | | - Aaron L Troy
- Department of Medicine Beth Israel Deaconess Medical Center Boston MA USA
| | - Jawad H Butt
- British Heart Foundation Cardiovascular Research Centre University of Glasgow UK
- Department of Cardiology Rigshospitalet Copenhagen University Hospital Copenhagen Denmark
- Department of Cardiology Zealand University Hospital Roskilde Denmark
| | - Abdulla A Damluji
- Johns Hopkins University School of Medicine Baltimore MD USA
- The Inova Center of Outcomes Research Inova Heart and Vascular Institute Baltimore MD USA
| | - Daniel E Forman
- Department of Medicine (Geriatrics and Cardiology) University of Pittsburgh PA USA
- Pittsburgh GRECC (Geriatrics Research, Education and Clinical Center) VA Pittsburgh Healthcare System Pittsburgh PA USA
| | - Ariela R Orkaby
- VA Boston Healthcare System Boston MA USA
- Division of Aging, Brigham and Women's Hospital Harvard Medical School Boston MA USA
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Hebib L, Herraiz-Adillo Á, Higueras-Fresnillo S, Berglind D, Daka B, Wennberg P, Hagström E, Lenander C, Ahlqvist VH, Östgren CJ, Rådholm K, Henriksson P. Life's Essential 8 is inversely associated with high-sensitivity C-reactive protein. Sci Rep 2024; 14:15024. [PMID: 38951604 PMCID: PMC11217377 DOI: 10.1038/s41598-024-65977-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 06/26/2024] [Indexed: 07/03/2024] Open
Abstract
Life's Essential 8 (LE8) is a score that includes modifiable risk factors for cardiovascular disease. Four health behaviors (diet, physical activity, nicotine exposure and sleep health) and four health factors (non-HDL cholesterol, blood glucose, blood pressure and body mass index) are included. These modifiable risk factors promote inflammation, and inflammation is one of the biological mechanisms of cardiovascular disease development. Thus, we examined the relationship between cardiovascular health measured by LE8 and low-grade inflammation measured by high-sensitivity C-reactive protein (hs-CRP) in the cross-sectional population-based Swedish CArdioPulmonary bioImage Study (SCAPIS). The study consisted of 28,010 participants between 50 and 64 years (51.5% women, mean age 57.5 years). All individual LE8 components were assigned a score between 0 (unhealthy) and 100 (healthy) points, and a global score was calculated. The association between LE8 scores and high-risk hs-CRP (defined as > 3.0 mg/L) was analyzed using adjusted logistic regression with spline analyses. There was a strong, dose response and inverse association between LE8 scores and levels of hs-CRP. Thus, those with a low LE8 score (= 50.0 points) had 5.8 higher (95% confidence interval [CI] 5.2-6.4) odds ratio (OR) of having high hs-CRP as compared to those with a high LE8 score (= 80.0 points). In conclusion, our findings show strong inverse associations between LE8 scores and levels of hs-CRP.
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Affiliation(s)
- Lana Hebib
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.
| | - Ángel Herraiz-Adillo
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Sara Higueras-Fresnillo
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
- Department Physical Education, Sport and Human Motricity, Universidad Autónoma de Madrid, Madrid, Spain
| | - Daniel Berglind
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
- Centre for Epidemiology and Community Medicine, Region Stockholm, Stockholm, Sweden
| | - Bledar Daka
- School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Patrik Wennberg
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Emil Hagström
- Department of Medical Sciences, Cardiology, Uppsala University, Uppsala, Sweden
| | - Cecilia Lenander
- Department of Clinical Sciences in Malmö, Centre for Primary Health Care Research, Lund University, Lund, Sweden
| | - Viktor H Ahlqvist
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Carl Johan Östgren
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
- Centre for Medical Image Science and Visualization (CMIV), Linköping University, Linköping, Sweden
| | - Karin Rådholm
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
- The George Institute for Global Health, University of New South Wales, Sydney, Australia
| | - Pontus Henriksson
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.
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Li C, Stebbins RC, Noppert GA, Carney CX, Liu C, Sapp ARM, Watson EJ, Aiello AE. Peripheral immune function and Alzheimer's disease: a living systematic review and critical appraisal. Mol Psychiatry 2024; 29:1895-1905. [PMID: 38102484 PMCID: PMC11483233 DOI: 10.1038/s41380-023-02355-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 11/21/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND A growing body of literature examines the relationship between peripheral immune function and Alzheimer's Disease (AD) in human populations. Our living systematic review summarizes the characteristics and findings of these studies, appraises their quality, and formulates recommendations for future research. METHODS We searched the electronic databases PubMed, PsycINFO, and Web of Science, and reviewed references of previous reviews and meta-analyses to identify human studies examining the relationship between any peripheral immune biomarkers and AD up to September 7th, 2023. We examined patterns of reported statistical associations (positive, negative, and null) between each biomarker and AD across studies. Evidence for each biomarker was categorized into four groups based on the proportion of studies reporting different associations: corroborating a positive association with AD, a negative association, a null association, and presenting contradictory findings. A modified Newcastle-Ottawa scale (NOS) was employed to assess the quality of the included studies. FINDINGS In total, 286 studies were included in this review. The majority were cross-sectional (n = 245, 85.7%) and hospital-based (n = 248, 86.7%), examining relationships between 187 different peripheral immune biomarkers and AD. Cytokines were the most frequently studied group of peripheral immune biomarkers. Evidence supported a positive association with AD for six biomarkers, including IL-6, IL-1β, IFN-γ, ACT, IL-18, and IL-12, and a negative association for two biomarkers, including lymphocytes and IL-6R. Only a small proportion of included studies (n = 22, 7.7%) were deemed to be of high quality based on quality assessment. INTERPRETATION Existing research on peripheral immune function and AD exhibits substantial methodological variations and limitations, with a notable lack of longitudinal, population-based studies investigating a broad range of biomarkers with prospective AD outcomes. The extent and manner in which peripheral immune function can contribute to AD pathophysiology remain open questions. Given the biomarkers that we identified to be associated with AD, we posit that targeting peripheral immune dysregulation may present a promising intervention point to reduce the burden of AD.
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Affiliation(s)
- Chihua Li
- Social Environment and Health Program, Institute for Social Research, University of Michigan, Ann Arbor, MI, USA.
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
- Department of Epidemiology, School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
| | - Rebecca C Stebbins
- Robert N. Butler Columbia Aging Center, Mailman School of Public Health, Columbia University, New York City, NY, USA
| | - Grace A Noppert
- Social Environment and Health Program, Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - Constanza X Carney
- Department of Epidemiology, Milken Institute School of Public Health, The George Washington University, Washington, DC, USA
| | - Chunyu Liu
- Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Ashley R M Sapp
- Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Elijah J Watson
- Department of Anthropology, Northwestern University, Evanston, IL, USA
| | - Allison E Aiello
- Robert N. Butler Columbia Aging Center, Mailman School of Public Health, Columbia University, New York City, NY, USA
- Department of Epidemiology, Mailman School of Public, Columbia University, New York City, NY, USA
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Martínez-Quintana E, Alcántara-Castellano M, García-Suárez MI, Rodríguez-González F. C-Reactive Protein and Long-Term Prognosis in Adult Patients with Congenital Heart Disease. J Clin Med 2024; 13:2199. [PMID: 38673472 PMCID: PMC11050825 DOI: 10.3390/jcm13082199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/21/2024] [Accepted: 04/07/2024] [Indexed: 04/28/2024] Open
Abstract
Background/Objectives: Prognostic biomarkers may provide information about the patient's cardiovascular outcomes. However, there are doubts regarding how high-sensitivity C-reactive protein (hs-CRP) impacts patients with congenital heart disease (CHD). The main objective is to evaluate whether high hs-CRP levels predict a worse prognosis in patients with CHD. Methods: Observational and prospective cohort study. Adult CHD patients and controls were matched for age and sex. Results: In total, 434 CHD patients (cases) and 820 controls were studied. The median age in the CHD patients was 30 (18-62) years and 256 (59%) were male. A total of 51%, 30%, and 19% of patients with CHD had mild, moderate, and great complexity defects, respectively. The body mass index [1.07 (1.01-1.13), p = 0.022)], diabetes mellitus [3.57 (1.07-11.97), p = 0.039], high NT-pro-BNP levels [1.00 (1.00-1.01), p = 0.021], and low serum iron concentrations [0.98 (0.97-0.99), p = 0.001] predicted high hs-CRP levels (≥0.3 mg/dL) in patients with CHD. During a follow-up time of 6.81 (1.17-10.46) years, major cardiovascular events (MACE) occurred in 40 CHD patients, showing the Kaplan-Meier test demonstrated a worse outcome among patients with hs-CRP levels above 0.3 mg/dL (p = 0.012). Also, hs-CRP showed statistical significance in the univariate Cox regression survival analysis. However, after adjusting for other variables, this significance was lost and the remaining predictors of MACE were age [HR 1.03 (1.01-1.06), p = 0.001], great complexity defects [HR 2.46 (1.07-5.69), p = 0.035], and an NT pro-BNP cutoff value for heart failure > 125 pg/mL [HR 7.73 (2.54-23.5), p < 0.001]. Conclusions: Hs-CRP obtained statistical significance in the univariate survival analysis. However, this significance was lost in the multivariate analysis in favor of age, CHD complexity, and heart failure.
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Affiliation(s)
- Efrén Martínez-Quintana
- Cardiology Service, Complejo Hospitalario Universitario Insular-Materno Infantil, Avd. Marítima del Sur s/n, 35016 Las Palmas de Gran Canaria, Spain
- Department of Medical and Surgical Sciences, Faculty of Health Sciences, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - María Alcántara-Castellano
- Department of Medical and Surgical Sciences, Faculty of Health Sciences, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Marta Isabel García-Suárez
- Department of Medical and Surgical Sciences, Faculty of Health Sciences, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
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Monsé C, Merget R, Pallapies D, Brüning T, Bünger J. Reply on the comments of Ulla Vogel and colleagues on their recently published paper entitled "Re-evaluation of the occupational exposure limit for ZnO is warranted. Comments on 'Systemic inflammatory effects of zinc oxide particles: is a re-evaluation of exposure limits needed?' by Christian Monsé et al.". Arch Toxicol 2024; 98:1023-1024. [PMID: 38197914 PMCID: PMC10861704 DOI: 10.1007/s00204-023-03668-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 01/11/2024]
Affiliation(s)
- Christian Monsé
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Bürkle-de-La-Camp-Platz 1, 44789, Bochum, Germany.
| | - Rolf Merget
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Bürkle-de-La-Camp-Platz 1, 44789, Bochum, Germany
| | - Dirk Pallapies
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Bürkle-de-La-Camp-Platz 1, 44789, Bochum, Germany
| | - Thomas Brüning
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Bürkle-de-La-Camp-Platz 1, 44789, Bochum, Germany
| | - Jürgen Bünger
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-Universität Bochum (IPA), Bürkle-de-La-Camp-Platz 1, 44789, Bochum, Germany
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Genkel V, Dolgushin I, Savochkina A, Nikushkina K, Baturina I, Minasova A, Sumerkina V, Pykhova L, Kupriyanov S, Kuznetsova A, Shaposhnik I. Innate and Adaptive Immunity-Related Markers as Predictors of the Short-Term Progression of Subclinical Atherosclerosis in Middle-Aged Patients. Int J Mol Sci 2023; 24:12205. [PMID: 37569579 PMCID: PMC10419170 DOI: 10.3390/ijms241512205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/26/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
Assessment of inflammation is a promising approach to monitoring the progression of asymptomatic atherosclerosis. The aim of the present study was to investigate the predictive value of innate and adaptive immunity-related markers, in relation to the short-term progression of subclinical atherosclerosis. The study included 183 patients aged 40-64 years who underwent duplex scanning of the carotid and lower limb arteries at two visits with an interval of 12-24 months between examinations. Phenotyping of circulating lymphocytes and monocytes subpopulations were performed through flow cytometry. An increase in the number of circulating TLR4-positive intermediate monocytes (>447.0-467.0 cells/μL) was an independent predictor of the short-term progression of lower limb artery atherosclerosis (p < 0.0001) and polyvascular atherosclerosis (p = 0.003). The assessment of TLR4-positive monocytes significantly improved the prognostic model for the progression of lower limb arterial atherosclerosis (C-index 0.728 (0.642-0.815) versus 0.637 (0.539-0.735); p = 0.038). An increase in the number of circulating TLR4-positive intermediate monocytes was an independent predictor of the short-term progression of lower limb artery and polyvascular atherosclerosis. Their inclusion into models containing conventional risk factors significantly improved their prognostic effectiveness regarding lower limb artery atherosclerosis progression.
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Affiliation(s)
- Vadim Genkel
- Federal State Budgetary Educational Institution of Higher Education “South-Ural State Medical University” of the Ministry of Healthcare of the Russian Federation, 454092 Chelyabinsk, Russia; (I.D.); (A.S.); (K.N.); (I.B.); (A.M.); (V.S.); (L.P.); (S.K.); (A.K.); (I.S.)
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