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Kudinov VA, Alekseeva OY, Torkhovskaya TI, Baskaev KK, Artyushev RI, Saburina IN, Markin SS. High-Density Lipoproteins as Homeostatic Nanoparticles of Blood Plasma. Int J Mol Sci 2020; 21:E8737. [PMID: 33228032 PMCID: PMC7699323 DOI: 10.3390/ijms21228737] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/14/2020] [Accepted: 11/15/2020] [Indexed: 02/07/2023] Open
Abstract
It is well known that blood lipoproteins (LPs) are multimolecular complexes of lipids and proteins that play a crucial role in lipid transport. High-density lipoproteins (HDL) are a class of blood plasma LPs that mediate reverse cholesterol transport (RCT)-cholesterol transport from the peripheral tissues to the liver. Due to this ability to promote cholesterol uptake from cell membranes, HDL possess antiatherogenic properties. This function was first observed at the end of the 1970s to the beginning of the 1980s, resulting in high interest in this class of LPs. It was shown that HDL are the prevalent class of LPs in several types of living organisms (from fishes to monkeys) with high resistance to atherosclerosis and cardiovascular disorders. Lately, understanding of the mechanisms of the antiatherogenic properties of HDL has significantly expanded. Besides the contribution to RCT, HDL have been shown to modulate inflammatory processes, blood clotting, and vasomotor responses. These particles also possess antioxidant properties and contribute to immune reactions and intercellular signaling. Herein, we review data on the structure and mechanisms of the pleiotropic biological functions of HDL from the point of view of their evolutionary role and complex dynamic nature.
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Affiliation(s)
- Vasily A. Kudinov
- Laboratory of Cell Biology and Developmental Pathology, FSBSI Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia;
- Experimental Drug Research and Production Department, Institute of Biomedical Chemistry, 119121 Moscow, Russia; (K.K.B.); (R.I.A.)
| | - Olga Yu. Alekseeva
- Cell Physiology Laboratory, Institute of Biomedical Problems, Russian Academy of Sciences, 123007 Moscow, Russia;
- Department of Biochemistry, People’s Friendship University (RUDN University), 117198 Moscow, Russia
| | - Tatiana I. Torkhovskaya
- Laboratory of Phospholipid Transport Systems and Nanomedicines, Institute of Biomedical Chemistry, 119121 Moscow, Russia;
| | - Konstantin K. Baskaev
- Experimental Drug Research and Production Department, Institute of Biomedical Chemistry, 119121 Moscow, Russia; (K.K.B.); (R.I.A.)
| | - Rafael I. Artyushev
- Experimental Drug Research and Production Department, Institute of Biomedical Chemistry, 119121 Moscow, Russia; (K.K.B.); (R.I.A.)
| | - Irina N. Saburina
- Laboratory of Cell Biology and Developmental Pathology, FSBSI Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia;
| | - Sergey S. Markin
- Clinical Research Department, Institute of Biomedical Chemistry, 119121 Moscow, Russia;
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Petersen KS, Bowen KJ, Tindall AM, Sullivan VK, Johnston EA, Fleming JA, Kris-Etherton PM. The Effect of Inflammation and Insulin Resistance on Lipid and Lipoprotein Responsiveness to Dietary Intervention. Curr Dev Nutr 2020; 4:nzaa160. [PMID: 33447695 PMCID: PMC7792751 DOI: 10.1093/cdn/nzaa160] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/02/2020] [Accepted: 10/13/2020] [Indexed: 12/14/2022] Open
Abstract
Lipids and lipoproteins are major targets for cardiovascular disease (CVD) prevention. Findings from a limited number of clinical trials suggest diet-induced atherogenic lipoprotein lowering can be altered in the presence of chronic low-grade inflammation or insulin resistance. This review summarizes results from randomized controlled trials that have examined diet-induced changes in lipids/lipoproteins by inflammatory or insulin sensitivity status. In addition, mechanisms to explain these clinical observations are explored. Post hoc analyses of data from a limited number of randomized controlled trials suggest attenuation of diet-induced lipid/lipoprotein lowering in individuals with inflammation and/or insulin resistance. These findings are supported by experimental studies showing that inflammatory stimuli and hyperinsulinemia alter genes involved in endogenous cholesterol synthesis and cholesterol uptake, reduce cholesterol efflux, and increase fatty acid biosynthesis. Further a priori defined research is required to better characterize how chronic low-grade inflammation and insulin resistance modulate lipid and lipoprotein responsiveness to guide CVD risk reduction in individuals presenting with these phenotypes.
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Affiliation(s)
- Kristina S Petersen
- Department of Nutritional Sciences, Texas Tech University, Lubbock, TX, USA
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Kate J Bowen
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Alyssa M Tindall
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Valerie K Sullivan
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Emily A Johnston
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Jennifer A Fleming
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Penny M Kris-Etherton
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
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Pedrini S, Chatterjee P, Hone E, Martins RN. High‐density lipoprotein‐related cholesterol metabolism in Alzheimer’s disease. J Neurochem 2020; 159:343-377. [DOI: 10.1111/jnc.15170] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Steve Pedrini
- Sarich Neurosciences Research InstituteEdith Cowan University Nedlands WA Australia
| | - Pratishtha Chatterjee
- Sarich Neurosciences Research InstituteEdith Cowan University Nedlands WA Australia
- Department of Biomedical Sciences Faculty of Medicine, Health and Human Sciences Macquarie University Sydney NSW Australia
| | - Eugene Hone
- Sarich Neurosciences Research InstituteEdith Cowan University Nedlands WA Australia
| | - Ralph N. Martins
- Sarich Neurosciences Research InstituteEdith Cowan University Nedlands WA Australia
- Department of Biomedical Sciences Faculty of Medicine, Health and Human Sciences Macquarie University Sydney NSW Australia
- School of Psychiatry and Clinical Neurosciences University of Western Australia Nedlands WA Australia
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Plubell DL, Fenton AM, Rosario S, Bergstrom P, Wilmarth PA, Clark W, Zakai NA, Quinn JF, Minnier J, Alkayed NJ, Fazio S, Pamir N. High-Density Lipoprotein Carries Markers That Track With Recovery From Stroke. Circ Res 2020; 127:1274-1287. [PMID: 32844720 PMCID: PMC7581542 DOI: 10.1161/circresaha.120.316526] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
RATIONALE Prospective cohort studies question the value of HDL-C (high-density lipoprotein cholesterol) for stroke risk prediction. OBJECTIVE Investigate the relationship between long-term functional recovery and HDL proteome and function. METHODS AND RESULTS Changes in HDL protein composition and function (cholesterol efflux capacity) in patients after acute ischemic stroke at 2 time points (24 hours, 35 patients; 96 hours, 20 patients) and in 35 control subjects were measured. The recovery from stroke was assessed by 3 months, the National Institutes of Health Stroke Scale and modified Rankin scale scores. When compared with control subject after adjustments for sex and HDL-C levels, 12 proteins some of which participate in acute phase response and platelet activation (APMAP [adipocyte plasma membrane-associated protein], GPLD1 [phosphate inositol-glycan specific phospholipase D], APOE [apolipoprotein E], IHH [Indian hedgehog protein], ITIH4 [inter-alpha-trypsin inhibitor chain H4], SAA2 [serum amyloid A2], APOA4 [apolipoprotein A-IV], CLU [clusterin], ANTRX2 [anthrax toxin receptor 2], PON1 [serum paraoxonase/arylesterase], SERPINA1 [alpha-1-antitrypsin], and APOF [apolipoprotein F]) were significantly (adjusted P<0.05) altered in stroke HDL at 96 hours. The first 8 of these proteins were also significantly altered at 24 hours. Consistent with inflammatory remodeling, cholesterol efflux capacity was reduced by 32% (P<0.001) at both time points. Baseline stroke severity adjusted regression model showed that changes within 96-hour poststroke in APOF, APOL1, APMAP, APOC4 (apolipoprotein C4), APOM (apolipoprotein M), PCYOX1 (prenylcysteine oxidase 1), PON1, and APOE correlate with stroke recovery scores (R2=0.38-0.73, adjusted P<0.05). APOF (R2=0.73) and APOL1 (R2=0.60) continued to significantly correlate with recovery scores after accounting for tPA (tissue-type plasminogen activator) treatment. CONCLUSIONS Changes in HDL proteins during early acute phase of stroke associate with recovery. Monitoring HDL proteins may provide clinical biomarkers that inform on stroke recuperation.
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Affiliation(s)
- Deanna L. Plubell
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
| | - Alex M. Fenton
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
| | - Sara Rosario
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
| | - Paige Bergstrom
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
| | | | - Wayne Clark
- Department of Neurology, Oregon Health & Science University
| | - Neil A. Zakai
- Department of Medicine, Larner College of Medicine, University of Vermont
| | | | - Jessica Minnier
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
- School of Public Health, Oregon Health & Science University
| | - Nabil J. Alkayed
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
| | - Sergio Fazio
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
| | - Nathalie Pamir
- Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University
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Nazir S, Jankowski V, Bender G, Zewinger S, Rye KA, van der Vorst EP. Interaction between high-density lipoproteins and inflammation: Function matters more than concentration! Adv Drug Deliv Rev 2020; 159:94-119. [PMID: 33080259 DOI: 10.1016/j.addr.2020.10.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 09/20/2020] [Accepted: 10/13/2020] [Indexed: 02/07/2023]
Abstract
High-density lipoprotein (HDL) plays an important role in lipid metabolism and especially contributes to the reverse cholesterol transport pathway. Over recent years it has become clear that the effect of HDL on immune-modulation is not only dependent on HDL concentration but also and perhaps even more so on HDL function. This review will provide a concise general introduction to HDL followed by an overview of post-translational modifications of HDL and a detailed overview of the role of HDL in inflammatory diseases. The clinical potential of HDL and its main apolipoprotein constituent, apoA-I, is also addressed in this context. Finally, some conclusions and remarks that are important for future HDL-based research and further development of HDL-focused therapies are discussed.
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Chiesa ST, Charakida M, McLoughlin E, Nguyen HC, Georgiopoulos G, Motran L, Elia Y, Marcovecchio ML, Dunger DB, Dalton RN, Daneman D, Sochett E, Mahmud FH, Deanfield JE. Elevated high-density lipoprotein in adolescents with Type 1 diabetes is associated with endothelial dysfunction in the presence of systemic inflammation. Eur Heart J 2020; 40:3559-3566. [PMID: 30863865 PMCID: PMC6855140 DOI: 10.1093/eurheartj/ehz114] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/26/2018] [Accepted: 02/18/2019] [Indexed: 12/16/2022] Open
Abstract
AIMS High-density lipoprotein (HDL) function may be altered in patients with chronic disease, transforming the particle from a beneficial vasoprotective molecule to a noxious pro-inflammatory equivalent. Adolescents with Type 1 diabetes often have elevated HDL, but its vasoprotective properties and relationship to endothelial function have not been assessed. METHODS AND RESULTS Seventy adolescents with Type 1 diabetes (age 10-17 years) and 30 age-matched healthy controls supplied urine samples for the measurement of early renal dysfunction (albumin:creatinine ratio; ACR), blood samples for the assessment of cardiovascular risk factors (lipid profiles, HDL functionality, glycaemic control, and inflammatory risk score), and had their conduit artery endothelial function tested using flow-mediated dilation (FMD). HDL-c levels (1.69 ± 0.41 vs. 1.44 ± 0.29mmol/L; P < 0.001), and glycated haemoglobin (HbA1c) (8.4 ± 1.2 vs. 5.4 ± 0.2%; P < 0.001) were increased in all patients compared with controls. However, increased inflammation and HDL dysfunction were evident only in patients who also had evidence of early renal dysfunction (mean ± standard deviation for high-ACR vs. low-ACR and healthy controls: inflammatory risk score 11.3 ± 2.5 vs. 9.5 ± 2.4 and 9.2 ± 2.4, P < 0.01; HDL-mediated nitric-oxide bioavailability 38.0 ± 8.9 vs. 33.3 ± 7.3 and 25.0 ± 7.7%, P < 0.001; HDL-mediated superoxide production 3.71 ± 3.57 vs. 2.11 ± 3.49 and 1.91 ± 2.47nmol O2 per 250 000 cells, P < 0.05). Endothelial function (FMD) was impaired only in those who had both a high inflammatory risk score and high levels of HDL-c (P < 0.05). CONCLUSION Increased levels of HDL-c commonly observed in individuals with Type 1 diabetes may be detrimental to endothelial function when accompanied by renal dysfunction and chronic inflammation.
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Affiliation(s)
- Scott T Chiesa
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, London, UK
| | - Marietta Charakida
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, London, UK
| | - Eve McLoughlin
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, London, UK
| | - Helen C Nguyen
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, London, UK
| | | | - Laura Motran
- Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - Yesmino Elia
- Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Canada
| | | | - David B Dunger
- Department of Paediatrics, University of Cambridge, Cambridge, UK.,Institute of Metabolic Science, University of Cambridge, Cambridge, UK
| | - R Neil Dalton
- WellChild Laboratory, St. Thomas' Hospital, King's College London, London, UK
| | - Denis Daneman
- Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - Etienne Sochett
- Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - Farid H Mahmud
- Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - John E Deanfield
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, London, UK
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Structural Basis for Vital Function and Malfunction of Serum Amyloid A: an Acute-Phase Protein that Wears Hydrophobicity on Its Sleeve. Curr Atheroscler Rep 2020; 22:69. [PMID: 32968930 PMCID: PMC7511256 DOI: 10.1007/s11883-020-00888-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2020] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW This review addresses normal and pathologic functions of serum amyloid A (SAA), an enigmatic biomarker of inflammation and protein precursor of AA amyloidosis, a life-threatening complication of chronic inflammation. SAA is a small, highly evolutionarily conserved acute-phase protein whose plasma levels increase up to one thousand-fold in inflammation, infection, or after trauma. The advantage of this dramatic but transient increase is unclear, and the complex role of SAA in immune response is intensely investigated. This review summarizes recent advances in our understanding of the structure-function relationship of this intrinsically disordered protein, outlines its newly emerging beneficial roles in lipid transport and inflammation control, and discusses factors that critically influence its misfolding in AA amyloidosis. RECENT FINDINGS High-resolution structures of lipid-free SAA in crystals and fibrils have been determined by x-ray crystallography and electron cryo-microscopy. Low-resolution structural studies of SAA-lipid complexes, together with biochemical, cell-based, animal model, genetic, and clinical studies, have provided surprising new insights into a wide range of SAA functions. An emerging vital role of SAA is lipid encapsulation to remove cell membrane debris from sites of injury. The structural basis for this role has been proposed. The lysosomal origin of AA amyloidosis has solidified, and its molecular and cellular mechanisms have emerged. Recent studies have revealed molecular underpinnings for understanding complex functions of this Cambrian protein in lipid transport, immune response, and amyloid formation. These findings help guide the search for much-needed targeted therapies to block the protein deposition in AA amyloidosis.
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Matsumoto J, Dohgu S, Takata F, Iwao T, Kimura I, Tomohiro M, Aono K, Kataoka Y, Yamauchi A. Serum amyloid A-induced blood-brain barrier dysfunction associated with decreased claudin-5 expression in rat brain endothelial cells and its inhibition by high-density lipoprotein in vitro. Neurosci Lett 2020; 738:135352. [PMID: 32931862 DOI: 10.1016/j.neulet.2020.135352] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 07/30/2020] [Accepted: 09/01/2020] [Indexed: 12/16/2022]
Abstract
The blood-brain barrier (BBB) is the multicellular interface located between the peripheral circulation and the brain parenchyma. BBB dysfunction is reported in many CNS diseases, such cognitive impairment, depression, Alzheimer's disease (AD), and multiple sclerosis (MS). Emerging evidence indicates that liver-derived inflammatory mediators are upregulated in neurological diseases with BBB dysfunction. Serum amyloid A (SAA), an acute phase protein secreted by hepatocytes, could be a candidate inflammatory signaling molecule transmitted from the liver to the brain; however, its contribution to BBB dysfunction is poorly understood. The present study aimed to elucidate the involvement of SAA in BBB impairment in an in vitro BBB model using rat brain microvascular endothelial cells (RBECs). We demonstrated that Apo-SAA significantly decreased transendothelial electrical resistance (TEER) and increased sodium fluorescein (Na-F) permeability in RBEC monolayers. Apo-SAA also decreased claudin-5 expression levels in RBECs. Furthermore, the Apo-SAA-mediated impairment of the BBB with decreased claudin-5 expression was inhibited by the addition of a high-density lipoprotein (HDL) related to SAA in plasma. These findings suggest that HDL counteracts the effects of SAA on BBB function. Therefore, the functional imbalance between SAA and HDL may induce BBB impairment, thereby triggering development of neuroinflammation. SAA could be a significant endogenous mediator in the liver-to-brain inflammation axis.
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Affiliation(s)
- Junichi Matsumoto
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Shinya Dohgu
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Fuyuko Takata
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Takuro Iwao
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Ikuya Kimura
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Misaki Tomohiro
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Kentaro Aono
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Yasufumi Kataoka
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
| | - Atsushi Yamauchi
- Department of Pharmaceutical Care and Health Sciences, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan.
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Gordon SM, Amar MJ, Jeiran K, Stagliano M, Staller E, Playford MP, Mehta NN, Vaisar T, Remaley AT. Effect of niacin monotherapy on high density lipoprotein composition and function. Lipids Health Dis 2020; 19:190. [PMID: 32825822 PMCID: PMC7441610 DOI: 10.1186/s12944-020-01350-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/14/2020] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Niacin has modest but overall favorable effects on plasma lipids by increasing high density lipoprotein cholesterol (HDL-C) and lowering triglycerides. Clinical trials, however, evaluating niacin therapy for prevention of cardiovascular outcomes have returned mixed results. Recent evidence suggests that the HDL proteome may be a better indicator of HDL's cardioprotective function than HDL-C. The objective of this study was to evaluate the effect of niacin monotherapy on HDL protein composition and function. METHODS A 20-week investigational study was performed with 11 participants receiving extended-release niacin (target dose = 2 g/day) for 16-weeks followed by a 4-week washout period. HDL was isolated from participants at weeks: 0, 16, and 20. The HDL proteome was analyzed at each time point by mass spectrometry and relative protein quantification was performed by label-free precursor ion intensity measurement. RESULTS In this cohort, niacin therapy had typical effects on routine clinical lipids (HDL-C + 16%, q < 0.01; LDL-C - 20%, q < 0.01; and triglyceride - 15%, q = 0.1). HDL proteomics revealed significant effects of niacin on 5 proteins: serum amyloid A (SAA), angiotensinogen (AGT), apolipoprotein A-II (APOA2), clusterin (CLUS), and apolipoprotein L1 (APOL1). SAA was the most prominently affected protein, increasing 3-fold in response to niacin (q = 0.008). Cholesterol efflux capacity was not significantly affected by niacin compared to baseline, however, stopping niacin resulted in a 9% increase in efflux (q < 0.05). Niacin did not impact HDL's ability to influence endothelial function. CONCLUSION Extended-release niacin therapy, in the absence of other lipid-modifying medications, can increase HDL-associated SAA, an acute phase protein associated with HDL dysfunction.
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Affiliation(s)
- Scott M Gordon
- Saha Cardiovascular Research Center and Department of Physiology, University of Kentucky College of Medicine, 741 South Limestone, BBSRB Room B259, Lexington, KY, 40536-0509, USA.
| | - Marcelo J Amar
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Kianoush Jeiran
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Michael Stagliano
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Emma Staller
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Martin P Playford
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
| | - Nehal N Mehta
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
| | - Tomas Vaisar
- Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Alan T Remaley
- Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
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Chang C, Pan Y, Du H, Wang X, Li X. Serum amyloid A1 can be a novel biomarker for evaluating the presence and severity of acute coronary syndrome. Clin Biochem 2020; 85:27-32. [PMID: 32805223 DOI: 10.1016/j.clinbiochem.2020.08.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/03/2020] [Accepted: 08/12/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Serum amyloid A (SAA) is an acute phase protein and a novel inflammatory biomarker of cardiovascular diseases. Of the four subtypes, SAA1 is the most representative biomarker. In this study, we aimed to assess the value of SAA1 as a novel biomarker for evaluating the presence and severity of acute coronary syndrome (ACS) in Chinese patients. METHODS AND RESULTS A total of 140 ACS patients and 88 non-ACS patients (including 36 stable coronary artery disease (SCAD) patients and 52 healthy controls) who underwent coronary angiography were enrolled. The SAA1 level was significantly higher in ACS patients compared with the SCAD and healthy control subgroups (P < 0.001, respectively), and was significantly higher in the high SYNTAX Score II (SS II) group compared with the medium SS II group and low SS II group (P < 0.001, respectively) in ACS patients. The cutoff level of SAA1 for indicating the presence of ACS was 324.65 ng/mL (sensitivity of 77.9%, specificity of 60.2% and an area under the curve of 0.717). The increased SAA1 levels were positively associated with the presence (OR = 1.013, P < 0.001) and severity (OR = 1.023, P < 0.001) of ACS. Furthermore, there was a positive correlation between SAA1 levels and SS II (r = 0.467, P < 0.001). CONCLUSIONS Our results suggest that elevated SAA1 levels may be a novel biomarker for evaluating the presence of ACS and the severity of CAD in ACS patients. Measuring SAA1 levels makes it possible to evaluate the presence of ACS and severity of CAD in ACS patients.
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Affiliation(s)
- Cheng Chang
- Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Yilong Pan
- Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Hongjiao Du
- Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Xiao Wang
- Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China
| | - Xiaodong Li
- Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China.
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Andersen CJ, Dupree L, Murray K, Ragonesi N, McMullen K, Cintrón-Rivera L, Doerr A. Low-Density Lipoproteins, High-Density Lipoproteins (HDL), and HDL-Associated Proteins Differentially Modulate Chronic Myelogenous Leukemia Cell Viability. Lipids 2020; 55:615-626. [PMID: 32558932 DOI: 10.1002/lipd.12254] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 04/17/2020] [Accepted: 05/05/2020] [Indexed: 12/20/2022]
Abstract
Cellular lipid metabolism, lipoprotein interactions, and liver X receptor (LXR) activation have been implicated in the pathophysiology and treatment of cancer, although findings vary across cancer models and by lipoprotein profiles. In this study, we investigated the effects of human-derived low-density lipoproteins (LDL), high-density lipoproteins (HDL), and HDL-associated proteins apolipoprotein A1 (apoA1) and serum amyloid A (SAA) on markers of viability, cholesterol flux, and differentiation in K562 cells-a bone marrow-derived, stem-like erythroleukemia cell model of chronic myelogenous leukemia (CML). We further evaluated whether lipoprotein-mediated effects were altered by concomitant LXR activation. We observed that LDL promoted higher K562 cell viability in a dose- and time-dependent manner and increased cellular cholesterol concentrations, while LXR activation by the agonist TO901317 ablated these effects. LXR activation in the presence of HDL, apoA1 and SAA-rich HDL suppressed K562 cell viability, while robustly inducing mRNA expression of ATP-binding cassette transporter A1 (ABCA1). HDL and its associated proteins additionally suppressed mRNA expression of anti-apoptotic B-cell lymphoma-extra large (BCL-xL), and the erythroid lineage marker 5'-aminolevulinate synthase 2 (ALAS2), while SAA-rich HDL induced mRNA expression of the megakaryocytic lineage marker integrin subunit alpha 2b (ITGA2B). Together, these findings suggest that lipoproteins and LXR may impact the viability and characteristics of CML cells.
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Affiliation(s)
| | - Lydia Dupree
- Department of Biology, Fairfield University, Fairfield, CT, 06824, USA
| | - Kristina Murray
- Department of Biology, Fairfield University, Fairfield, CT, 06824, USA
| | - Nicholas Ragonesi
- Department of Biology, Fairfield University, Fairfield, CT, 06824, USA
| | - Kaley McMullen
- Department of Biology, Fairfield University, Fairfield, CT, 06824, USA
| | | | - Adam Doerr
- Department of Biology, Fairfield University, Fairfield, CT, 06824, USA
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Halappanavar S, van den Brule S, Nymark P, Gaté L, Seidel C, Valentino S, Zhernovkov V, Høgh Danielsen P, De Vizcaya A, Wolff H, Stöger T, Boyadziev A, Poulsen SS, Sørli JB, Vogel U. Adverse outcome pathways as a tool for the design of testing strategies to support the safety assessment of emerging advanced materials at the nanoscale. Part Fibre Toxicol 2020; 17:16. [PMID: 32450889 PMCID: PMC7249325 DOI: 10.1186/s12989-020-00344-4] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 04/02/2020] [Indexed: 12/11/2022] Open
Abstract
Toxicity testing and regulation of advanced materials at the nanoscale, i.e. nanosafety, is challenged by the growing number of nanomaterials and their property variants requiring assessment for potential human health impacts. The existing animal-reliant toxicity testing tools are onerous in terms of time and resources and are less and less in line with the international effort to reduce animal experiments. Thus, there is a need for faster, cheaper, sensitive and effective animal alternatives that are supported by mechanistic evidence. More importantly, there is an urgency for developing alternative testing strategies that help justify the strategic prioritization of testing or targeting the most apparent adverse outcomes, selection of specific endpoints and assays and identifying nanomaterials of high concern. The Adverse Outcome Pathway (AOP) framework is a systematic process that uses the available mechanistic information concerning a toxicological response and describes causal or mechanistic linkages between a molecular initiating event, a series of intermediate key events and the adverse outcome. The AOP framework provides pragmatic insights to promote the development of alternative testing strategies. This review will detail a brief overview of the AOP framework and its application to nanotoxicology, tools for developing AOPs and the role of toxicogenomics, and summarize various AOPs of relevance to inhalation toxicity of nanomaterials that are currently under various stages of development. The review also presents a network of AOPs derived from connecting all AOPs, which shows that several adverse outcomes induced by nanomaterials originate from a molecular initiating event that describes the interaction of nanomaterials with lung cells and involve similar intermediate key events. Finally, using the example of an established AOP for lung fibrosis, the review will discuss various in vitro tests available for assessing lung fibrosis and how the information can be used to support a tiered testing strategy for lung fibrosis. The AOPs and AOP network enable deeper understanding of mechanisms involved in inhalation toxicity of nanomaterials and provide a strategy for the development of alternative test methods for hazard and risk assessment of nanomaterials.
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Affiliation(s)
- Sabina Halappanavar
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada.
| | - Sybille van den Brule
- Louvain centre for Toxicology and Applied Pharmacology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Penny Nymark
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Toxicology, Misvik Biology, Turku, Finland
| | - Laurent Gaté
- Institut National de Recherche et de Sécurité, Vandoeuvre-lès-Nancy, France
| | - Carole Seidel
- Institut National de Recherche et de Sécurité, Vandoeuvre-lès-Nancy, France
| | - Sarah Valentino
- Institut National de Recherche et de Sécurité, Vandoeuvre-lès-Nancy, France
| | - Vadim Zhernovkov
- Systems Biology Ireland, University College Dublin, Dublin 4, Ireland
| | | | - Andrea De Vizcaya
- Departamento de Toxicologia, CINVESTAV-IPN, Ciudad de México, Mexico
- Sabbatical leave at Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada
| | - Henrik Wolff
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Tobias Stöger
- Research Center for Environmental Health (GmbH), Neuherberg, Germany
- German Center for Lung Research (DZL), Giessen, Germany
- Institute of Lung Biology and Disease, Comprehensive Pneumology Center, Helmholtz Zentrum München - German, Oberschleißheim, Germany
| | - Andrey Boyadziev
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Sarah Søs Poulsen
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | | | - Ulla Vogel
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark.
- DTU Health Tech, Technical University of Denmark, Kgs. Lyngby, Denmark.
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Soria-Florido MT, Schröder H, Grau M, Fitó M, Lassale C. High density lipoprotein functionality and cardiovascular events and mortality: A systematic review and meta-analysis. Atherosclerosis 2020; 302:36-42. [PMID: 32438197 DOI: 10.1016/j.atherosclerosis.2020.04.015] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 03/11/2020] [Accepted: 04/22/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND AIMS The aim of this systematic review and meta-analysis is to synthesize studies assessing the associations between high-density lipoprotein functionality and risk of cardiovascular disease and mortality. METHODS We searched Medline and Embase for the identification of observational studies meeting the inclusion criteria. This meta-analysis was conducted following the PRISMA statement and was registered in PROSPERO (CRD42017065857). We pooled risk estimates with a random-effect model separately for cardiovascular disease (fatal and non-fatal) and all-cause mortality. RESULTS Out of 29 manuscripts, 20 articles investigated cholesterol efflux capacity (13 prospective and 7 cross-sectional), 10 antioxidant capacity (7 prospective and 3 cross-sectional) and two anti-inflammatory capacity of high-density lipoprotein (1 prospective and 1 cross-sectional). A greater cholesterol efflux capacity was associated with lower risk of cardiovascular disease in 8 studies (RR for 1SD increase: 0.86; 95% CI: 0.76-0.98) and of mortality in 5 studies (RR for 1SD increase: 0,77; 0.60-1.00). Better antioxidant capacity was non-significantly associated with lower cardiovascular disease risk in 2 studies (RR for 1SD increase 0.70; 0.32-1.53) and significantly with mortality in 3 studies (RR for 1SD increase 0.48; 0.28-0.81). High-density lipoprotein anti-inflammatory ability was associated with a lower cardiovascular disease risk in the only prospective study. CONCLUSIONS Greater high-density lipoprotein cholesterol efflux capacity and antioxidant/anti-inflammatory capacities were associated with lower risk of cardiovascular disease. However, the heterogeneity between studies and evidence of publication bias warrants caution and highlights the need for larger prospective studies with standardized assays and specific outcomes.
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Affiliation(s)
- Maria T Soria-Florido
- Cardiovascular Risk and Nutrition Research Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain; PhD Program in Food Sciences and Nutrition, Department of Nutrition, Food Science and Gastronomy, School of Pharmacy and Food Science, Campus de l'Alimentació Torribera, University of Barcelona, Barcelona, Spain; Department of Behavioural Science and Health, University College London, London, United Kingdom
| | - Helmut Schröder
- Cardiovascular Risk and Nutrition Research Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain; CIBER of Epidemiology and Public Health (CIBERESP), Institute of Health Carlos III, Madrid, Spain
| | - María Grau
- Registre Gironí del COR. Group, Cardiovascular, Epidemiology and Genetics Research Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain; CIBER of Cardiovascular Diseases (CIBERCV), Institute of Health Carlos III, Madrid, Spain; Department of Medicine, University of Barcelona, Barcelona, Spain
| | - Montserrat Fitó
- Cardiovascular Risk and Nutrition Research Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain; CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
| | - Camille Lassale
- Cardiovascular Risk and Nutrition Research Group, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain; Department of Behavioural Science and Health, University College London, London, United Kingdom; CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain.
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64
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Tanaka S, Couret D, Tran-Dinh A, Duranteau J, Montravers P, Schwendeman A, Meilhac O. High-density lipoproteins during sepsis: from bench to bedside. Crit Care 2020; 24:134. [PMID: 32264946 PMCID: PMC7140566 DOI: 10.1186/s13054-020-02860-3] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 03/30/2020] [Indexed: 02/10/2023] Open
Abstract
High-density lipoproteins (HDLs) represent a family of particle characterized by the presence of apolipoprotein A-I (apoA-I) and by their ability to transport cholesterol from peripheral tissues back to the liver conferring them a cardioprotective function. HDLs also display pleiotropic properties including antioxidant, anti-apoptotic, anti-thrombotic, anti-inflammatory, or anti-infectious functions. Clinical data demonstrate that HDL cholesterol levels decrease rapidly during sepsis and that these low levels are correlated with morbi-mortality. Experimental studies emphasized notable structural and functional modifications of HDL particles in inflammatory states, including sepsis. Finally, HDL infusion in animal models of sepsis improved survival and provided a global endothelial protective effect. These clinical and experimental studies reinforce the potential of HDL therapy in human sepsis. In this review, we will detail the different effects of HDLs that may be relevant under inflammatory conditions and the lipoprotein changes during sepsis and we will discuss the potentiality of HDL therapy in sepsis.
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Affiliation(s)
- Sébastien Tanaka
- Université de La Réunion, INSERM, UMR 1188 Diabète athérothombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France
- AP-HP, Service d'Anesthésie-Réanimation, CHU Bichat-Claude Bernard, Paris, France
| | - David Couret
- Université de La Réunion, INSERM, UMR 1188 Diabète athérothombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France
- CHU de La Réunion, Saint-Pierre de la Réunion, France
| | - Alexy Tran-Dinh
- AP-HP, Service d'Anesthésie-Réanimation, CHU Bichat-Claude Bernard, Paris, France
- Inserm UMR1148, Laboratory for Vascular Translational Science Bichat Hospital, Paris, France
| | - Jacques Duranteau
- AP-HP, Service d'Anesthésie-Réanimation, Hôpitaux Universitaires Paris-Sud, Université Paris-Sud, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
- Laboratoire d'étude de la Microcirculation, "Bio-CANVAS: biomarkers in CardioNeuroVascular DISEASES" UMRS 942, Paris, France
| | - Philippe Montravers
- AP-HP, Service d'Anesthésie-Réanimation, CHU Bichat-Claude Bernard, Paris, France
- Inserm UMR1152. Physiopathologie et Epidémiologie des Maladies Respiratoires, Paris, France
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI, 48109, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Olivier Meilhac
- Université de La Réunion, INSERM, UMR 1188 Diabète athérothombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France.
- CHU de La Réunion, Saint-Pierre de la Réunion, France.
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65
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Association of an HDL Apolipoproteomic Score With Coronary Atherosclerosis and Cardiovascular Death. J Am Coll Cardiol 2020; 73:2135-2145. [PMID: 31047001 DOI: 10.1016/j.jacc.2019.01.073] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 01/13/2019] [Accepted: 01/22/2019] [Indexed: 01/18/2023]
Abstract
BACKGROUND Concentrations of circulating apolipoproteins are strongly linked to risk for coronary artery disease (CAD). The relative importance of the additional knowledge of apolipoprotein concentrations within specific lipoprotein species for CAD risk prediction is limited. OBJECTIVES This study sought to evaluate the performance of a high-density lipoprotein (HDL) apolipoproteomic score, based on targeted mass spectrometry of HDL-associated apolipoproteins, for the detection of angiographic CAD and outcomes. METHODS HDL-associated apolipoprotein (apo) A-1, apoC-1, apoC-2, apoC-3, and apoC-4 were measured in 943 participants without prevalent myocardial infarction (MI) referred for coronary angiography in the CASABLANCA (Catheter Sampled Blood Archive in Cardiovascular Diseases) study. A composite HDL apolipoproteomic score (pCAD) was associated with likelihood of obstructive CAD (≥70% lesion in ≥1 vessel) and with incident cardiovascular outcomes over 4-year follow-up. RESULTS There were 587 (62.2%) patients with coronary stenosis. The pCAD score was associated with the presence of obstructive CAD (odds ratio: 1.39; 95% confidence interval [CI]: 1.14 to 1.69; p < 0.001), independently of conventional cardiovascular risk factors including circulating plasma apoA-1 and apoB. The C-index for pCAD was 0.63 (95% CI: 0.59 to 0.67) for the presence of obstructive CAD. Although pCAD was not associated with cardiovascular mortality among all individuals (hazard ratio: 1.24; 95% CI: 0.93 to 1.66; p = 0.15), there was evidence of association for individuals with obstructive CAD (hazard ratio: 1.48; 95% CI: 1.07 to 2.05; p = 0.019). CONCLUSIONS An HDL apolipoproteomic score is associated with the presence of CAD, independent of circulating apoA-1 and apoB concentrations and other conventional cardiovascular risk factors. Among individuals with CAD, this score may be independently associated cardiovascular death. (The CASABLANCA Study: Catheter Sampled Blood Archive in Cardiovascular Diseases [CASABLANCA]; NCT00842868).
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66
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Farràs M, Canyelles M, Fitó M, Escolà-Gil JC. Effects of Virgin Olive Oil and Phenol-Enriched Virgin Olive Oils on Lipoprotein Atherogenicity. Nutrients 2020; 12:nu12030601. [PMID: 32110861 PMCID: PMC7146215 DOI: 10.3390/nu12030601] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/21/2020] [Accepted: 02/24/2020] [Indexed: 01/22/2023] Open
Abstract
The atherogenicity of low-density lipoprotein (LDL) and triglyceride-rich lipoproteins (TRLs) may be more significant than LDL cholesterol levels. Clinical trials which have led to increased high-density lipoprotein (HDL) cholesterol have not always seen reductions in cardiovascular disease (CVD). Furthermore, genetic variants predisposing individuals to high HDL cholesterol are not associated with a lower risk of suffering a coronary event, and therefore HDL functionality is considered to be the most relevant aspect. Virgin olive oil (VOO) is thought to play a protective role against CVD. This review describes the effects of VOO and phenol-enriched VOOs on lipoprotein atherogenicity and HDL atheroprotective properties. The studies have demonstrated a decrease in LDL atherogenicity and an increase in the HDL-mediated macrophage cholesterol efflux capacity, HDL antioxidant activity, and HDL anti-inflammatory characteristics after various VOO interventions. Moreover, the expression of cholesterol efflux-related genes was enhanced after exposure to phenol-enriched VOOs in both post-prandial and sustained trials. Improvements in HDL antioxidant properties were also observed after VOO and phenol-enriched VOO interventions. Furthermore, some studies have demonstrated improved characteristics of TRL atherogenicity under postprandial conditions after VOO intake. Large-scale, long-term randomized clinical trials, and Mendelian analyses which assess the lipoprotein state and properties, are required to confirm these results.
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Affiliation(s)
- Marta Farràs
- Molecular Bases of Cardiovascular Risk Group Institut de Recerca de l’Hospital Santa Creu i Sant Pau-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain; (M.C.); (J.C.E.-G.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-935537595
| | - Marina Canyelles
- Molecular Bases of Cardiovascular Risk Group Institut de Recerca de l’Hospital Santa Creu i Sant Pau-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain; (M.C.); (J.C.E.-G.)
- Servei de Bioquímica, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain
- Departament de Bioquímica, Biologia Molecular i Biomedicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Montserrat Fitó
- Cardiovascular Risk and Nutrition Research Group, Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain;
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), ISCIII, 28029 Madrid, Spain
| | - Joan Carles Escolà-Gil
- Molecular Bases of Cardiovascular Risk Group Institut de Recerca de l’Hospital Santa Creu i Sant Pau-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain; (M.C.); (J.C.E.-G.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, 28029 Madrid, Spain
- Departament de Bioquímica, Biologia Molecular i Biomedicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
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Zhang T, Chen J, Tang X, Luo Q, Xu D, Yu B. Interaction between adipocytes and high-density lipoprotein:new insights into the mechanism of obesity-induced dyslipidemia and atherosclerosis. Lipids Health Dis 2019; 18:223. [PMID: 31842884 PMCID: PMC6913018 DOI: 10.1186/s12944-019-1170-9] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 12/09/2019] [Indexed: 12/19/2022] Open
Abstract
Obesity is the most common nutritional disorder worldwide and is associated with dyslipidemia and atherosclerotic cardiovascular disease. The hallmark of dyslipidemia in obesity is low high density lipoprotein (HDL) cholesterol (HDL-C) levels. Moreover, the quality of HDL is also changed in the obese setting. However, there are still some disputes on the explanations for this phenomenon. There is increasing evidence that adipose tissue, as an energy storage tissue, participates in several metabolism activities, such as hormone secretion and cholesterol efflux. It can influence overall reverse cholesterol transport and plasma HDL-C level. In obesity individuals, the changes in morphology and function of adipose tissue affect plasma HDL-C levels and HDL function, thus, adipose tissue should be the main target for the treatment of HDL metabolism in obesity. In this review, we will summarize the cross-talk between adipocytes and HDL related to cardiovascular disease and focus on the new insights of the potential mechanism underlying obesity and HDL dysfunction.
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Affiliation(s)
- Tianhua Zhang
- Department of Cardiovascular Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, People's Republic of China
| | - Jin Chen
- Department of Cardiovascular Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, People's Republic of China
| | - Xiaoyu Tang
- Department of Cardiovascular Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, People's Republic of China
| | - Qin Luo
- Department of Cardiovascular Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, People's Republic of China
| | - Danyan Xu
- Department of Cardiovascular Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, People's Republic of China
| | - Bilian Yu
- Department of Cardiovascular Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, People's Republic of China.
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Riggs KA, Joshi PH, Khera A, Singh K, Akinmolayemi O, Ayers CR, Rohatgi A. Impaired HDL Metabolism Links GlycA, A Novel Inflammatory Marker, with Incident Cardiovascular Events. J Clin Med 2019; 8:jcm8122137. [PMID: 31817053 PMCID: PMC6947609 DOI: 10.3390/jcm8122137] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 11/26/2019] [Accepted: 11/27/2019] [Indexed: 12/30/2022] Open
Abstract
High-density lipoproteins (HDL) exert anti-atherosclerotic effects via reverse cholesterol transport, yet this salutary property is impaired in the setting of inflammation. GlycA, a novel integrated glycosylation marker of five acute phase reactants, is linked to cardiovascular (CV) events. We assessed the hypothesis that GlycA is associated with measures of impaired HDL function and that dysfunctional HDL may contribute to the association between GlycA and incident CV events. Baseline measurements of HDL cholesterol (HDL-C), HDL particle concentration (HDL-P), apoliprotein A1 (Apo A1), cholesterol efflux capacity, GlycA and high-sensitivity C-reactive protein (hs-CRP) were obtained from the Dallas Heart Study, a multi-ethnic cohort of 2643 adults (median 43 years old; 56% women, 50% black) without cardiovascular disease (CVD). GlycA was derived from nuclear magnetic resonance imaging. Participants were followed for first nonfatal MI, nonfatal stroke, coronary revascularization, or CV death over a median of 12.4 years (n = 197). The correlation between GlycA and hs-CRP was 0.58 (p < 0.0001). In multivariate models with HDL-C, GlycA was directly associated with HDL-P and Apo A1 and inversely associated with cholesterol efflux (standardized beta estimates: 0.08, 0.29, -0.06, respectively; all p ≤ 0.0004) GlycA was directly associated with incident CV events (adjusted hazard ratio (HR) for Q4 vs. Q1: 3.33, 95% confidence interval (CI) 1.99, 5.57). Adjustment for cholesterol efflux mildly attenuated this association (HR for Q4 vs. Q1: 3.00, 95% CI 1.75 to 5.13). In a multi-ethnic cohort, worsening inflammation, as reflected by higher GlycA levels, is associated with higher HDL-P and lower cholesterol efflux. Impaired cholesterol efflux likely explains some of the association between GlycA and incident CV events. Further studies are warranted to investigate the impact of inflammation on HDL function and CV disease.
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Affiliation(s)
- Kayla A. Riggs
- Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (K.A.R.); (O.A.)
| | - Parag H. Joshi
- Department of Internal Medicine, Division of Cardiology, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (P.H.J.); (A.K.); (K.S.); (C.R.A.)
| | - Amit Khera
- Department of Internal Medicine, Division of Cardiology, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (P.H.J.); (A.K.); (K.S.); (C.R.A.)
| | - Kavisha Singh
- Department of Internal Medicine, Division of Cardiology, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (P.H.J.); (A.K.); (K.S.); (C.R.A.)
| | - Oludamilola Akinmolayemi
- Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (K.A.R.); (O.A.)
| | - Colby R. Ayers
- Department of Internal Medicine, Division of Cardiology, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (P.H.J.); (A.K.); (K.S.); (C.R.A.)
| | - Anand Rohatgi
- Department of Internal Medicine, Division of Cardiology, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; (P.H.J.); (A.K.); (K.S.); (C.R.A.)
- Correspondence: ; Tel.: +1-214-645-7500
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Zhu C, Wong M, Li Q, Sawrey - Kubicek L, Beals E, Rhodes CH, Sacchi R, Lebrilla CB, Zivkovic AM. Site-Specific Glycoprofiles of HDL-Associated ApoE are Correlated with HDL Functional Capacity and Unaffected by Short-Term Diet. J Proteome Res 2019; 18:3977-3984. [PMID: 31545048 PMCID: PMC7480961 DOI: 10.1021/acs.jproteome.9b00450] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Since high-density lipoprotein (HDL) glycoprofiles are associated with HDL functional capacity, we set out to determine whether diet can alter the glycoprofiles of key HDL-associated proteins, including ApoE, a potent driver of chronic disease risk. Ten healthy subjects consumed a fast food (FF) and a Mediterranean (Med) diet for 4 days in randomized order, with a 4-day wash-out between treatments. A multiple reaction monitoring method was used to characterize the site-specific glycoprofiles of HDL proteins, and HDL functional capacity was analyzed. We describe for the first time that ApoE has 7 mucin-type O-glycosylation sites, which were not affected by short-term diet. The glycoprofiles of other HDL-associated proteins were also unaffected, except that a disialylated ApoC-III glycan was enriched after Med diet, and a nonsialylated ApoC-III glycan was enriched after FF diet. Twenty-five individual glycopeptides were significantly correlated with cholesterol efflux capacity and 21 glycopeptides were correlated with immunomodulatory capacity. Results from this study indicate that the glycoprofiles of HDL-associated proteins including ApoE are correlated with HDL functional capacity but generally unaffected by diet in the short term, except ApoC-III sialylation. These results suggest that HDL protein glycoprofiles are affected by both acute and long-term factors and may be useful for biomarker discovery.
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Affiliation(s)
- Chenghao Zhu
- Department of Nutrition, University of California, Davis, Davis, CA, USA 95616
| | - Maurice Wong
- Department of Chemistry, University of California, Davis, Davis, CA, USA 95616
| | - Qiongyu Li
- Department of Chemistry, University of California, Davis, Davis, CA, USA 95616
| | | | - Elizabeth Beals
- Department of Nutrition, University of California, Davis, Davis, CA, USA 95616
| | - Chris H. Rhodes
- Department of Nutrition, University of California, Davis, Davis, CA, USA 95616
| | - Romina Sacchi
- Department of Nutrition, University of California, Davis, Davis, CA, USA 95616
| | - Carlito B. Lebrilla
- Department of Chemistry, University of California, Davis, Davis, CA, USA 95616
| | - Angela M. Zivkovic
- Department of Nutrition, University of California, Davis, Davis, CA, USA 95616
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70
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SnapshotDx Quiz: November 2019. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.08.431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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71
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Sawrey-Kubicek L, Zhu C, Bardagjy AS, Rhodes CH, Sacchi R, Randolph JM, Steinberg FM, Zivkovic AM. Whole egg consumption compared with yolk-free egg increases the cholesterol efflux capacity of high-density lipoproteins in overweight, postmenopausal women. Am J Clin Nutr 2019; 110:617-627. [PMID: 31172172 DOI: 10.1093/ajcn/nqz088] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 03/14/2019] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Postmenopausal women are at higher risk for cardiovascular disease (CVD) than their younger counterparts. HDL cholesterol is a biomarker for CVD risk, but the function of HDL may be more important than HDL cholesterol in deciphering disease risk. Although diet continues to be a cornerstone of treatment and prevention of CVD, little is known about how diet affects the functionality of HDL. OBJECTIVES The aim of this study was to characterize the effects of whole eggs compared with yolk-free eggs on HDL function and composition in overweight, postmenopausal women and determine how changes in HDL composition are related to HDL functional parameters. METHODS The study was a 14-wk, single-blind, randomized crossover dietary trial with two 4-wk intervention periods in 20 overweight, postmenopausal women. The crossover treatments were frozen breakfast meals containing 100 g of liquid (∼2) whole eggs compared with 100 g of (∼2) yolk-free eggs per day, separated by a 4-wk washout. Fasting blood samples were taken at the beginning and end of each treatment period to determine the effects on HDL composition and function. RESULTS Cholesterol efflux capacity increased in the whole-egg treatment (mean ± SD percentage change: +5.69% ± 9.9%) compared with the yolk-free egg treatment (-3.69% ± 5.3%) (P < 0.01), but there were no other significant changes in HDL functions or antioxidant or inflammatory markers. ApoA-I, total cholesterol (TC), LDL cholesterol, and HDL cholesterol also did not change in response to the egg treatment. CONCLUSIONS The consumption of 2 whole eggs/d by overweight, postmenopausal women showed a significant increase in cholesterol efflux capacity. This increase in cholesterol efflux capacity was seen without significant changes in apoA-I, TC, LDL cholesterol, or HDL cholesterol, supporting the idea that HDL function rather than HDL cholesterol should be addressed in this population. This trial was registered at clinicaltrials.gov as NCT02445638.
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Affiliation(s)
| | - Chenghao Zhu
- Department of Nutrition, University of California, Davis, CA, USA
| | | | | | - Romina Sacchi
- Department of Nutrition, University of California, Davis, CA, USA
| | - Jody M Randolph
- Department of Nutrition, University of California, Davis, CA, USA
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72
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Abstract
Introduction: High-density lipoprotein (HDL) particles are heterogeneous and their proteome is complex and distinct from HDL cholesterol. However, it is largely unknown whether HDL proteins are associated with cardiovascular protection. Areas covered: HDL isolation techniques and proteomic analyses are reviewed. A list of HDL proteins reported in 37 different studies was compiled and the effects of different isolation techniques on proteins attributed to HDL are discussed. Mass spectrometric techniques used for HDL analysis and the need for precise and robust methods for quantification of HDL proteins are discussed. Expert opinion: Proteins associated with HDL have the potential to be used as biomarkers and/or help to understand HDL functionality. To achieve this, large cohorts must be studied using precise quantification methods. Key factors in HDL proteome quantification are the isolation methodology and the mass spectrometry technique employed. Isolation methodology affects what proteins are identified in HDL and the specificity of association with HDL particles needs to be addressed. Shotgun proteomics yields imprecise quantification, but the majority of HDL studies relied on this approach. Few recent studies used targeted tandem mass spectrometry to quantify HDL proteins, and it is imperative that future studies focus on the application of these precise techniques.
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Affiliation(s)
- Graziella Eliza Ronsein
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo , São Paulo , Brazil
| | - Tomáš Vaisar
- UW Medicine Diabetes Institute, Department of Medicine, University of Washington , Seattle , WA , USA
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73
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Sposito AC, de Lima-Junior JC, Moura FA, Barreto J, Bonilha I, Santana M, Virginio VW, Sun L, Carvalho LSF, Soares AA, Nadruz W, Feinstein SB, Nofer JR, Zanotti I, Kontush A, Remaley AT. Reciprocal Multifaceted Interaction Between HDL (High-Density Lipoprotein) and Myocardial Infarction. Arterioscler Thromb Vasc Biol 2019; 39:1550-1564. [DOI: 10.1161/atvbaha.119.312880] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Despite decades of therapeutic advances, myocardial infarction remains a leading cause of death worldwide. Recent studies have identified HDLs (high-density lipoproteins) as a potential candidate for mitigating coronary ischemia/reperfusion injury via a broad spectrum of signaling pathways. HDL ligands, such as S1P (sphingosine-1-phosphate), Apo (apolipoprotein) A-I, clusterin, and miRNA, may influence the opening of the mitochondrial channel, insulin sensitivity, and production of vascular autacoids, such as NO, prostacyclin, and endothelin-1. In parallel, antioxidant activity and sequestration of oxidized molecules provided by HDL can attenuate the oxidative stress that triggers ischemia/reperfusion. Nevertheless, during myocardial infarction, oxidation and the capture of oxidized and proinflammatory molecules generate large phenotypic and functional changes in HDL, potentially limiting its beneficial properties. In this review, new findings from cellular and animal models, as well as from clinical studies, will be discussed to describe the cardioprotective benefits of HDL on myocardial infarction. Furthermore, mechanisms by which HDL modulates cardiac function and potential strategies to mitigate postmyocardial infarction risk damage by HDL will be detailed throughout the review.
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Affiliation(s)
- Andrei C. Sposito
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - José Carlos de Lima-Junior
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Filipe A. Moura
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
- Department of Medicine, Weill-Cornell Medical College, New York, NY (F.A.M.)
| | - Joaquim Barreto
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Isabella Bonilha
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Michele Santana
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Vitor W. Virginio
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Lufan Sun
- Lipoprotein Metabolism Section, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (L.S., A.T.R.)
- Department of Cardiology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China (L.S.)
| | - Luiz Sergio F. Carvalho
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Alexandre A.S. Soares
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Wilson Nadruz
- From the Atherosclerosis and Vascular Biology Laboratory, Cardiology Department, State University of Campinas, Brazil (A.C.S., J.C.d.L.-J., F.A.M., J.B., I.B., M.S., V.W.V., L.S.F.C., A.A.S.S., W.N.)
| | - Steve B. Feinstein
- Division of Cardiology, Rush University Medical Center, Chicago, IL (S.B.F.)
| | - Jerzy-Roch Nofer
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Germany (J.-R.N.)
| | - Ilaria Zanotti
- Department of Food and Drugs, University of Parma, Italy (I.Z.)
| | - Anatol Kontush
- UMR-ICAN 1166, National Institute for Health and Medical Research (INSERM), Sorbonne University, Paris, France (A.K.)
| | - Alan T. Remaley
- Lipoprotein Metabolism Section, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (L.S., A.T.R.)
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74
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Asztalos BF, Horvath KV, Schaefer EJ. High-Density Lipoprotein Particles, Cell-Cholesterol Efflux, and Coronary Heart Disease Risk. Arterioscler Thromb Vasc Biol 2019; 38:2007-2015. [PMID: 30002062 DOI: 10.1161/atvbaha.118.311117] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Objective- The cell-cholesterol efflux capacity of HDL (high-density lipoprotein) is inversely associated with coronary heart disease risk. ABCA1 (ATP-binding cassette transporter A1) plays a crucial role in cholesterol efflux from macrophages to preβ-1-HDL. We tested the hypothesis that coronary heart disease patients have functionally abnormal preβ-1-HDL. Approach and Results- HDL cell-cholesterol efflux capacity via the ABCA1 and the SR-BI (scavenger receptor class B type I) pathways, HDL antioxidative capacity, apo (apolipoprotein) A-I-containing HDL particles, and inflammatory- and oxidative-stress markers were measured in a case-control study of 100 coronary heart disease cases and 100 sex-matched controls. There were significant positive correlations between ABCA1-dependent cholesterol efflux and the levels of small lipid-poor preβ-1 particles ( R2=0.535) and between SR-BI-dependent cholesterol efflux and the levels of large lipid-rich (α-1+α-2) HDL particles ( R2=0.712). Cases had significantly higher (87%) preβ-1 concentrations than controls, but the functionality of their preβ-1 particles (preβ-1 concentration normalized ABCA1-dependent efflux capacity) was significantly lower (-31%). Cases had significantly lower (-12%) mean concentration of large HDL particles, but the functionality of their particles (α-1+α-2 concentration normalized SR-BI-dependent efflux capacity) was significantly higher (22%) compared with that of controls. HDL antioxidative capacity was significantly lower (-16%) in cases than in controls. There were no significant correlations between either preβ-1 functionality or large HDL particle functionality with HDL antioxidative capacity or the concentrations of inflammatory- and oxidative-stress markers. Conclusions- HDL cell-cholesterol efflux capacity is significantly influenced by both the concentration and the functionality of specific HDL particles participating in cell-cholesterol efflux. Coronary heart disease patients have higher than normal preβ-1 concentrations with decreased functionality and lower than normal large HDL particle concentrations with enhanced functionality.
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Affiliation(s)
- Bela F Asztalos
- From the Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA
| | - Katalin V Horvath
- From the Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA
| | - Ernst J Schaefer
- From the Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA
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75
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Millar CL, Norris GH, Vitols A, Garcia C, Seibel S, Anto L, Blesso CN. Dietary Egg Sphingomyelin Prevents Aortic Root Plaque Accumulation in Apolipoprotein-E Knockout Mice. Nutrients 2019; 11:nu11051124. [PMID: 31117179 PMCID: PMC6566691 DOI: 10.3390/nu11051124] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/14/2019] [Accepted: 05/19/2019] [Indexed: 12/12/2022] Open
Abstract
Western-style diets have been linked with dyslipidemia and inflammation, two well-known risk factors associated with cardiovascular disease (CVD). Dietary sphingomyelin (SM) has been reported to modulate gut microbiota, and lower serum lipids and inflammation in mice on Western-style diets. However, few studies have examined if nutritionally-relevant intake of dietary SM can impact atherosclerosis progression. Thus, the aim of this study was to determine if incorporating 0.1% (w/w) egg SM (ESM) (equivalent to ~750 mg/day in humans) into a high-fat (45% kcal), cholesterol-enriched diet (HFD) could prevent atheroprogression in apoE−/− mice (n = 15/group). We found that mice fed with the ESM-rich diet had significantly lower epididymal fat mass (−46%) and tended to have higher spleen weights (+15%). There were no significant differences in serum lipids between groups. However, ESM-fed mice had significantly lower alanine aminotransferase (ALT) activity. Additionally, ESM-fed mice displayed significantly less aortic root lipid accumulation (−31%) compared to controls. This improvement in atherosclerosis was paired with over a two-fold reduction in circulating serum amyloid A (SAA) in ESM-fed mice. Finally, there was also a modulation of the gut microbiota with ESM supplementation. ESM may have the potential to prevent atherosclerosis, however further research in the clinical setting is warranted.
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Affiliation(s)
- Courtney L Millar
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
| | - Gregory H Norris
- Department of Medicine, University of Illinois, Chicago, IL 60612, USA.
| | - Addison Vitols
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
| | - Chelsea Garcia
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
| | - Samantha Seibel
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
| | - Liya Anto
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
| | - Christopher N Blesso
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
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76
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Getz GS, Reardon CA. Apoproteins E, A-I, and SAA in Macrophage Pathobiology Related to Atherogenesis. Front Pharmacol 2019; 10:536. [PMID: 31231209 PMCID: PMC6558525 DOI: 10.3389/fphar.2019.00536] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 04/29/2019] [Indexed: 01/10/2023] Open
Abstract
Macrophages are core cellular elements of both early and advanced atherosclerosis. They take up modified lipoproteins and become lipid-loaded foam cells and secrete factors that influence other cell types in the artery wall involved in atherogenesis. Apoproteins E, AI, and SAA are all found on HDL which can enter the artery wall. In addition, apoE is synthesized by macrophages. These three apoproteins can promote cholesterol efflux from lipid-loaded macrophages and have other functions that modulate macrophage biology. Mimetic peptides based on the sequence or structure of these apoproteins replicate some of these properties and are potential therapeutic agents for the treatment of atherosclerosis to reduce cardiovascular diseases.
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Affiliation(s)
- Godfrey S Getz
- Department of Pathology, The University of Chicago, Chicago, IL, United States
| | - Catherine A Reardon
- Ben May Department for Cancer Research, The University of Chicago, Chicago, IL, United States
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77
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Shao B, Zelnick LR, Wimberger J, Himmelfarb J, Brunzell J, Davidson WS, Snell-Bergeon JK, Bornfeldt KE, de Boer IH, Heinecke JW. Albuminuria, the High-Density Lipoprotein Proteome, and Coronary Artery Calcification in Type 1 Diabetes Mellitus. Arterioscler Thromb Vasc Biol 2019; 39:1483-1491. [PMID: 31092010 DOI: 10.1161/atvbaha.119.312556] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective- Albuminuria is an important risk factor for cardiovascular disease in diabetes mellitus. We determined whether albuminuria associates with alterations in the proteome of HDL (high-density lipoprotein) of subjects with type 1 diabetes mellitus and whether those alterations associated with coronary artery calcification. Approach and Results- In a cross-sectional study of 191 subjects enrolled in the DCCT (Diabetes Control and Complications Trial)/EDIC study (Epidemiology of Diabetes Interventions and Complications), we used isotope dilution tandem mass spectrometry to quantify 46 proteins in HDL. Stringent statistical analysis demonstrated that 8 proteins associated with albuminuria. Two of those proteins, AMBP (α1-microglobulin/bikunin precursor) and PTGDS (prostaglandin-H2 D-isomerase), strongly and positively associated with the albumin excretion rate ( P<10-6). Furthermore, PON (paraoxonase) 1 and PON3 levels in HDL strongly and negatively associated with the presence of coronary artery calcium, with odds ratios per 1-SD difference of 0.63 (95% CI, 0.43-0.92; P=0.018) for PON1 and 0.59 (95% CI, 0.40-0.87; P=0.0079) for PON3. Only 1 protein, PON1, associated with both albumin excretion rate and coronary artery calcification. Conclusions- Our observations indicate that the HDL proteome is remodeled in type 1 diabetes mellitus subjects with albuminuria. Moreover, low concentrations of the antiatherosclerotic protein PON1 in HDL associated with both albuminuria and coronary artery calcification, raising the possibility that alterations in HDL protein cargo mediate, in part, the known association of albuminuria with cardiovascular risk in type 1 diabetes mellitus. Visual Overview- An online visual overview is available for this article.
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Affiliation(s)
- Baohai Shao
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - Leila R Zelnick
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - Jake Wimberger
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - Jonathan Himmelfarb
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - John Brunzell
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - W Sean Davidson
- Department of Pathology and Laboratory Medicine, University of Cincinnati, OH (W.S.D.)
| | - Janet K Snell-Bergeon
- Barbara Davis Center for Diabetes, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora (J.K.S.-B.)
| | - Karin E Bornfeldt
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - Ian H de Boer
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
| | - Jay W Heinecke
- From the Department of Medicine, University of Washington, Seattle (B.S., L.R.Z., J.W., J.H., J.B., K.E.B., I.H.d.B., J.W.H.)
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78
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Abstract
High-density lipoprotein cholesterol (HDL-c) has long been referred to as 'good cholesterol' due to its apparent inverse relationship with future CVD risk. More recent research has questioned a causal role for HDL-c in this relationship, however, as both genetic studies and numerous large-scale randomised controlled trials have found no evidence of a cardiovascular protective effect when HDL-c levels are raised. Instead, focus has switched to the functional properties of the HDL particle. Evidence suggests that both the composition and function of HDL may be significantly altered in the context of an inflammatory milieu, transforming the particle from a vasoprotective anti-atherogenic particle to a noxious pro-atherogenic equivalent. This review will summarise evidence relating HDL to CVD risk, explore recent evidence characterising changes in the composition and function of HDL that may occur in chronic inflammatory diseases, and discuss the potential for future HDL-modifying therapeutic interventions.
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Affiliation(s)
- Scott T Chiesa
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, 1 St. Martin's Le Grand, London, EC1A 4NP, UK.
| | - Marietta Charakida
- Vascular Physiology Unit, UCL Institute of Cardiovascular Science, 1 St. Martin's Le Grand, London, EC1A 4NP, UK
- Division of Imaging Sciences and Biomedical Engineering, King's College London, London, UK
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79
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Vahdat Shariat Panahi A, Hultman P, Öllinger K, Westermark GT, Lundmark K. Lipid membranes accelerate amyloid formation in the mouse model of AA amyloidosis. Amyloid 2019; 26:34-44. [PMID: 30929476 DOI: 10.1080/13506129.2019.1576606] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
INTRODUCTION AA amyloidosis develops as a result of prolonged inflammation and is characterized by deposits of N-terminal proteolytic fragments of the acute phase reactant serum amyloid A (SAA). Macrophages are usually found adjacent to amyloid, suggesting their involvement in the formation and/or degradation of the amyloid fibrils. Furthermore, accumulating evidence suggests that lipid membranes accelerate the fibrillation of different amyloid proteins. METHODS Using an experimental mouse model of AA amyloidosis, we compared the amyloidogenic effect of liposomes and/or amyloid-enhancing factor (AEF). Inflammation was induced by subcutaneous injection of silver nitrate followed by intravenous injection of liposomes and/or AEF to accelerate amyloid formation. RESULTS We showed that liposomes accelerate amyloid formation in inflamed mice, but the amyloidogenic effect of liposomes was weaker compared with AEF. Regardless of the induction method, amyloid deposits were mainly found in the marginal zones of the spleen and coincided with the depletion of marginal zone macrophages, while red pulp macrophages and metallophilic marginal zone macrophages proved insensitive to amyloid deposition. CONCLUSIONS We conclude that increased intracellular lipid content facilitates AA amyloid fibril formation and show that the mouse model of AA amyloidosis is a suitable system for further mechanistic studies.
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Affiliation(s)
- Aida Vahdat Shariat Panahi
- a Experimental Pathology, Department of Clinical and Experimental Medicine , Linköping University , Linköping , Sweden.,b Departments of Clinical Pathology and Clinical and Experimental Medicine , Linköping University , Linköping , Sweden
| | - Per Hultman
- c Molecular and Immunological Pathology, Department of Clinical and Experimental Medicine , Linköping University , Linköping , Sweden
| | - Karin Öllinger
- a Experimental Pathology, Department of Clinical and Experimental Medicine , Linköping University , Linköping , Sweden
| | | | - Katarzyna Lundmark
- a Experimental Pathology, Department of Clinical and Experimental Medicine , Linköping University , Linköping , Sweden.,b Departments of Clinical Pathology and Clinical and Experimental Medicine , Linköping University , Linköping , Sweden
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80
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Torkhovskaya TI, Kudinov VA, Zakharova TS, Ipatova OM, Markin SS. High Density Lipoproteins Phosphatidylcholine as a Regulator of Reverse Cholesterol Transport. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2019. [DOI: 10.1134/s1068162018060092] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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81
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Kheniser KG, Kashyap SR, Kasumov T. A systematic review: the appraisal of the effects of metformin on lipoprotein modification and function. Obes Sci Pract 2019; 5:36-45. [PMID: 30820329 PMCID: PMC6381305 DOI: 10.1002/osp4.309] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/02/2018] [Accepted: 11/08/2018] [Indexed: 01/31/2023] Open
Abstract
AIMS Metformin is a commonly prescribed anti-hyperglycaemic pharmacological agent, and it remains a staple in the management of type II diabetes. In addition to metformin's glucose lowering effects, research has indicated that metformin inhibits glycation-mediated and oxidative modification of lipoprotein residues. The purpose was to discuss the effects of metformin as it relates to high-density lipoprotein (HDL) and low-density lipoprotein (LDL) modification. MATERIALS AND METHODS The purpose was to conduct a narrative and pragmatic review on the effects of metformin as it pertains to HDL and LDL modification. RESULTS High-density lipoprotein (HDL) concentration is a quantitative measure and therefore does not provide insight into its function, which is a qualitative property. Dysfunctional HDLs are unable to carry out functions normally associated with HDL because they can be modified by glycating agents. Metformin may counteract HDL dysfunction by abating HDL modification. Reductions in HDL modification may improve reverse cholesterol transport ability and thus possibly diminish cardiovascular risk. Similarly, metformin-mediated attenuations in LDL modification may reduce their atherogenic potency. CONCLUSION Metformin may partially ameliorate HDL dysfunction and reduce LDL modification by inhibiting alpha-dicarbonyl-mediated modification of apolipoprotein residues; consequently, the results are salient because cardiovascular disease incidence may be reduced given that reverse cholesterol transport activity predicts risk, and modified LDL are proatherogenic.
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Affiliation(s)
- K. G. Kheniser
- Department of Endocrinology and MetabolismCleveland ClinicClevelandOHUSA
| | - S. R. Kashyap
- Department of Endocrinology and MetabolismCleveland ClinicClevelandOHUSA
| | - T. Kasumov
- Department of Pharmaceutical SciencesNortheast Ohio Medical UniversityRootstownOHUSA
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82
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Jin Z, Collier TS, Dai DLY, Chen V, Hollander Z, Ng RT, McManus BM, Balshaw R, Apostolidou S, Penn MS, Bystrom C. Development and Validation of Apolipoprotein AI-Associated Lipoprotein Proteome Panel for the Prediction of Cholesterol Efflux Capacity and Coronary Artery Disease. Clin Chem 2019; 65:282-290. [DOI: 10.1373/clinchem.2018.291922] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 10/23/2018] [Indexed: 11/06/2022]
Abstract
Abstract
BACKGROUND
Cholesterol efflux capacity (CEC) is a measure of HDL function that, in cell-based studies, has demonstrated an inverse association with cardiovascular disease. The cell-based measure of CEC is complex and low-throughput. We hypothesized that assessment of the lipoprotein proteome would allow for precise, high-throughput CEC prediction.
METHODS
After isolating lipoprotein particles from serum, we used LC-MS/MS to quantify 21 lipoprotein-associated proteins. A bioinformatic pipeline was used to identify proteins with univariate correlation to cell-based CEC measurements and generate a multivariate algorithm for CEC prediction (pCE). Using logistic regression, protein coefficients in the pCE model were reweighted to yield a new algorithm predicting coronary artery disease (pCAD).
RESULTS
Discovery using targeted LC-MS/MS analysis of 105 training and test samples yielded a pCE model comprising 5 proteins (Spearman r = 0.86). Evaluation of pCE in a case–control study of 231 specimens from healthy individuals and patients with coronary artery disease revealed lower pCE in cases (P = 0.03). Derived within this same study, the pCAD model significantly improved classification (P < 0.0001). Following analytical validation of the multiplexed proteomic method, we conducted a case–control study of myocardial infarction in 137 postmenopausal women that confirmed significant separation of specimen cohorts in both the pCE (P = 0.015) and pCAD (P = 0.001) models.
CONCLUSIONS
Development of a proteomic pCE provides a reproducible high-throughput alternative to traditional cell-based CEC assays. The pCAD model improves stratification of case and control cohorts and, with further studies to establish clinical validity, presents a new opportunity for the assessment of cardiovascular health.
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Affiliation(s)
| | | | - Darlene L Y Dai
- Proof Centre of Excellence, Vancouver, British Columbia, Canada
| | - Virginia Chen
- Proof Centre of Excellence, Vancouver, British Columbia, Canada
| | | | - Raymond T Ng
- Proof Centre of Excellence, Vancouver, British Columbia, Canada
| | - Bruce M McManus
- Proof Centre of Excellence, Vancouver, British Columbia, Canada
| | - Robert Balshaw
- Proof Centre of Excellence, Vancouver, British Columbia, Canada
| | - Sophia Apostolidou
- Gynaecological Cancer Research Centre, Department of Women's Cancer, Institute for Women's Health, University College London, London, UK
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83
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Pamir N, Pan C, Plubell DL, Hutchins PM, Tang C, Wimberger J, Irwin A, Vallim TQDA, Heinecke JW, Lusis AJ. Genetic control of the mouse HDL proteome defines HDL traits, function, and heterogeneity. J Lipid Res 2019; 60:594-608. [PMID: 30622162 PMCID: PMC6399512 DOI: 10.1194/jlr.m090555] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/10/2018] [Indexed: 12/30/2022] Open
Abstract
HDLs are nanoparticles with more than 80 associated proteins, phospholipids, cholesterol, and cholesteryl esters. The potential inverse relation of HDL to coronary artery disease (CAD) and the effects of HDL on myriad other inflammatory conditions warrant a better understanding of the genetic basis of the HDL proteome. We conducted a comprehensive genetic analysis of the regulation of the proteome of HDL isolated from a panel of 100 diverse inbred strains of mice (the hybrid mouse diversity panel) and examined protein composition and efflux capacity to identify novel factors that affect the HDL proteome. Genetic analysis revealed widely varied HDL protein levels across the strains. Some of this variation was explained by local cis-acting regulation, termed cis-protein quantitative trait loci (QTLs). Variations in apoA-II and apoC-3 affected the abundance of multiple HDL proteins, indicating a coordinated regulation. We identified modules of covarying proteins and defined a protein-protein interaction network that describes the protein composition of the naturally occurring subspecies of HDL in mice. Sterol efflux capacity varied up to 3-fold across the strains, and HDL proteins displayed distinct correlation patterns with macrophage and ABCA1-specific cholesterol efflux capacity and cholesterol exchange, suggesting that subspecies of HDL participate in discrete functions. The baseline and stimulated sterol efflux capacity phenotypes were associated with distinct QTLs with smaller effect size, suggesting a multigenetic regulation. Our results highlight the complexity of HDL particles by revealing the high degree of heterogeneity and intercorrelation, some of which is associated with functional variation, and support the concept that HDL-cholesterol alone is not an accurate measure of HDL’s properties, such as protection against CAD.
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Affiliation(s)
- Nathalie Pamir
- Department of Medicine, Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR
| | - Calvin Pan
- Departments of Genetics University of California at Los Angeles, Los Angeles, CA
| | - Deanna L Plubell
- Department of Medicine, Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR
| | | | - Chongren Tang
- Department of Medicine University of Washington, Seattle, WA
| | - Jake Wimberger
- Department of Medicine University of Washington, Seattle, WA
| | - Angela Irwin
- Department of Medicine University of Washington, Seattle, WA
| | | | - Jay W Heinecke
- Department of Medicine University of Washington, Seattle, WA
| | - Aldons J Lusis
- Departments of Genetics University of California at Los Angeles, Los Angeles, CA
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Witte-Händel E, Wolk K, Tsaousi A, Irmer ML, Mößner R, Shomroni O, Lingner T, Witte K, Kunkel D, Salinas G, Jodl S, Schmidt N, Sterry W, Volk HD, Giamarellos-Bourboulis EJ, Pokrywka A, Döcke WD, Schneider-Burrus S, Sabat R. The IL-1 Pathway Is Hyperactive in Hidradenitis Suppurativa and Contributes to Skin Infiltration and Destruction. J Invest Dermatol 2018; 139:1294-1305. [PMID: 30528824 DOI: 10.1016/j.jid.2018.11.018] [Citation(s) in RCA: 138] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 11/16/2018] [Accepted: 11/16/2018] [Indexed: 01/02/2023]
Abstract
Hidradenitis suppurativa (HS) (also designated acne inversa) is a chronic inflammatory disease characterized by painful purulent skin lesions and progressive destruction of skin architecture. Despite the high burden for the patients, pathogenetic pathways underlying HS alterations remain obscure. When we examined the HS cytokine pattern, IL-1β turned out to be a highly prominent cytokine, overexpressed even compared with psoriatic lesions. Analyses of IL-1β-induced transcriptome in various cell types showed overlapping profiles, with upregulations of molecules causing immune cell infiltration and extracellular matrix degradation, and of specific cytokines including IL-6, IL-32, and IL-36. Matching cellular IL-1 receptor levels, dermal fibroblasts showed both the strongest and broadest IL-1β response, which was not clearly shared or strengthened by other cytokines. The IL-1β signature was specifically present in HS lesions and could be reversed by application of IL-1 receptor antagonist. Search for blood parameters associated with IL-1β pathway activity in HS identified serum amyloid A, which was synergistically induced by IL-1β and IL-6 in hepatocytes. Consequently, strongly elevated blood serum amyloid A levels in HS correlated positively with the extent of inflammatory skin alterations. In summary, the IL-1β pathway represents a pathogenetic cascade, whose activity may be therapeutically targeted and monitored by blood SAA levels.
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Affiliation(s)
- Ellen Witte-Händel
- Interdisciplinary Group Molecular Immunopathology, Dermatology/Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Psoriasis Research and Treatment Center, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Kerstin Wolk
- Interdisciplinary Group Molecular Immunopathology, Dermatology/Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Psoriasis Research and Treatment Center, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Athanasia Tsaousi
- Psoriasis Research and Treatment Center, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Marie Luise Irmer
- Psoriasis Research and Treatment Center, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Rotraut Mößner
- Department of Dermatology, University Medical Center Göttingen, Göttingen, Germany
| | - Orr Shomroni
- Transcriptome and Genome Core Unit, University Medical Center Göttungen, Göttingen, Germany
| | - Thomas Lingner
- Transcriptome and Genome Core Unit, University Medical Center Göttungen, Göttingen, Germany
| | - Katrin Witte
- Interdisciplinary Group Molecular Immunopathology, Dermatology/Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Desiree Kunkel
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Gabriela Salinas
- Transcriptome and Genome Core Unit, University Medical Center Göttungen, Göttingen, Germany
| | - Stefan Jodl
- Research and Development, Pharmaceuticals, Bayer AG, Berlin and Wuppertal, Germany
| | - Nicole Schmidt
- Research and Development, Pharmaceuticals, Bayer AG, Berlin and Wuppertal, Germany
| | - Wolfram Sterry
- Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Hans-Dieter Volk
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany; Institute of Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | | | - Anna Pokrywka
- Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Wolf-Dietrich Döcke
- Research and Development, Pharmaceuticals, Bayer AG, Berlin and Wuppertal, Germany
| | - Sylke Schneider-Burrus
- Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Robert Sabat
- Interdisciplinary Group Molecular Immunopathology, Dermatology/Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Psoriasis Research and Treatment Center, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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85
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Morin EE, Li XA, Schwendeman A. HDL in Endocrine Carcinomas: Biomarker, Drug Carrier, and Potential Therapeutic. Front Endocrinol (Lausanne) 2018; 9:715. [PMID: 30555417 PMCID: PMC6283888 DOI: 10.3389/fendo.2018.00715] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 11/12/2018] [Indexed: 12/14/2022] Open
Abstract
High-density lipoprotein (HDL) have long been studied for their protective role against cardiovascular diseases, however recently relationship between HDL and cancer came into focus. Several epidemiological studies have shown an inverse correlation between HDL-cholesterol (HDL-C) and cancer risk, and some have even implied that HDL-C can be used as a predictive measure for survival prognosis in for specific sub-population of certain types of cancer. HDL itself is an endogenous nanoparticle capable of removing excess cholesterol from the periphery and returning it to the liver for excretion. One of the main receptors for HDL, scavenger receptor type B-I (SR-BI), is highly upregulated in endocrine cancers, notably due to the high demand for cholesterol by cancer cells. Thus, the potential to exploit administration of cholesterol-free reconstituted or synthetic HDL (sHDL) to deplete cholesterol in endocrine cancer cell and stunt their growth of use chemotherapeutic drug loaded sHDL to target payload delivery to cancer cell has become increasingly attractive. This review focuses on the role of HDL and HDL-C in cancer and application of sHDLs as endocrine cancer therapeutics.
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Affiliation(s)
- Emily E. Morin
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI, United States
| | - Xiang-An Li
- Department of Physiology, Saha Cardiovascular Research Center, College of Medicine, University of Kentucky, Lexington, KY, United States
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI, United States
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86
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Lee SE, Schulze K, Stewart CP, Cole RN, Wu LSF, Eroglu A, Yager JD, Groopman J, Christian P, West KP. Plasma proteome correlates of lipid and lipoprotein: biomarkers of metabolic diversity and inflammation in children of rural Nepal. J Lipid Res 2018; 60:149-160. [PMID: 30473544 PMCID: PMC6314253 DOI: 10.1194/jlr.p088542] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 10/25/2018] [Indexed: 12/14/2022] Open
Abstract
Proteins involved in lipoprotein metabolism can modulate cardiovascular health. While often measured to assess adult metabolic diseases, little is known about the proteomes of lipoproteins and their relation to metabolic dysregulation and underlying inflammation in undernourished child populations. The objective of this population study was to globally characterize plasma proteins systemically associated with HDL, LDL, and triglycerides in 500 Nepalese children. Abnormal lipid profiles characterized by elevated plasma triglycerides and low HDL-cholesterol (HDL-C) concentrations were common, especially in children with subclinical inflammation. Among 982 proteins analyzed, the relative abundance of 11, 12, and 52 plasma proteins was correlated with LDL-cholesterol (r = −0.43∼0.70), triglycerides (r = −0.39∼0.53), and HDL-C (r = −0.49∼0.79) concentrations, respectively. These proteins included apolipoproteins and numerous unexpected intracellular and extracellular matrix binding proteins, likely originating in hepatic and peripheral tissues. Relative abundance of two-thirds of the HDL proteome varied with inflammation, with acute phase reactants higher by 4∼40%, and proteins involved in HDL biosynthesis, cholesterol efflux, vitamin transport, angiogenesis, and tissue repair lower by 3∼20%. Untargeted plasma proteomics detects comprehensive sets of both known and novel lipoprotein-associated proteins likely reflecting systemic regulation of lipoprotein metabolism and vascular homeostasis. Inflammation-altered distributions of the HDL proteome may be predisposing undernourished populations to early chronic disease.
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Affiliation(s)
- Sun Eun Lee
- Center for Human Nutrition Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Kerry Schulze
- Center for Human Nutrition Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Christine P Stewart
- Program in International and Community Nutrition, Department of Nutrition, University of California, Davis, CA
| | - Robert N Cole
- Mass Spectrometry and Proteomics Facility, Johns Hopkins School of Medicine, Baltimore, MD
| | - Lee S-F Wu
- Center for Human Nutrition Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Abdulkerim Eroglu
- Center for Human Nutrition Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - James D Yager
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - John Groopman
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Parul Christian
- Center for Human Nutrition Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Keith P West
- Center for Human Nutrition Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
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87
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Luo M, Zhang Z, Peng Y, Wang S, Peng D. The negative effect of ANGPTL8 on HDL-mediated cholesterol efflux capacity. Cardiovasc Diabetol 2018; 17:142. [PMID: 30409151 PMCID: PMC6223079 DOI: 10.1186/s12933-018-0785-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 10/31/2018] [Indexed: 12/31/2022] Open
Abstract
Background It is well known that angiopoietin-like protein 8 (ANGPTL8) exerts its effects on lipid metabolism through the inhibition of lipoprotein lipase and subsequent elevation of plasma triglyceride. However, it is not clear whether ANGPTL8 could affect lipid metabolism via other pathways. The study was aimed to investigate the effects of ANGPTL8 on the function of high-density lipoprotein (HDL), which plays a protective role in atherosclerosis progression. Methods Two hundred and ten subjects were recruited. Plasma ANGPTL8 was measured by enzyme-linked immunosorbent assays. Cholesterol efflux capacity was chosen as the biomarker of HDL function and measured via H3-cholesterol loading THP-1 cell models. Results ANGPTL8 exhibited no significant difference between CAD group and nonCAD group, but ANGPTL8 in DM group was significantly higher than that in the nonDM group [568.3 (406.2–836.8) vs 458.2 (356.8–755.6), P = 0.023]. Compared to controls, subjects in CAD group and DM group exhibited significantly lower cholesterol efflux capacity [CAD: 14.58 ± 2.06 vs 12.51 ± 2.83%, P < 0.0001; DM: 13.62 ± 2.57 vs 12.34 ± 3.16%, P = 0.0099]. ANGPTL8 was inversely correlated with cholesterol efflux capacity (r = − 0.188, P < 0.01). Regression analysis revealed that plasma ANGPTL8 was an independent contributor to cholesterol efflux capacity (standardized β = − 0.143, P = 0.023). Conclusion ANGPTL8 presents a negative effect on HDL-mediated cholesterol efflux capacity. Electronic supplementary material The online version of this article (10.1186/s12933-018-0785-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mengdie Luo
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, No.139, Middle Renmin Road, Changsha, 410011, Hunan, China
| | - Ziyu Zhang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, No.139, Middle Renmin Road, Changsha, 410011, Hunan, China
| | - Yani Peng
- Department of Metabolism & Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shuai Wang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, No.139, Middle Renmin Road, Changsha, 410011, Hunan, China
| | - Daoquan Peng
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, No.139, Middle Renmin Road, Changsha, 410011, Hunan, China.
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88
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Mathew AV, Li L, Byun J, Guo Y, Michailidis G, Jaiswal M, Chen YE, Pop-Busui R, Pennathur S. Therapeutic Lifestyle Changes Improve HDL Function by Inhibiting Myeloperoxidase-Mediated Oxidation in Patients With Metabolic Syndrome. Diabetes Care 2018; 41:2431-2437. [PMID: 30201848 PMCID: PMC6196832 DOI: 10.2337/dc18-0049] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 08/17/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Phagocyte-derived myeloperoxidase (MPO) and proinflammatory HDL are associated with metabolic syndrome (MetS) and increased cardiovascular disease risk. Therapeutic lifestyle changes (TLCs), such as a Mediterranean diet and exercise, decrease this risk. However, the link among TLCs, HDL, and MPO-mediated oxidative stress remains unclear. RESEARCH DESIGN AND METHODS In this study, we characterized changes in cholesterol efflux capacity (CEC), a metric of HDL function; MPO-mediated oxidation; and the HDL proteomic profile in 25 patients with MetS who underwent 12 weeks of TLCs. RESULTS After 12 weeks, before significant changes to HDL levels, most MetS components improved as a result of the TLCs. CEC was significantly increased, and HDL MPO oxidation products, 3-chlorotyrosine and 3-nitrotyrosine, were decreased with TLCs. The changes in CEC were inversely related to the unit changes in 3-chlorotyrosine after we controlled for changes in the other MetS components. TLCs did not remodel the HDL proteome. CONCLUSIONS In summary, TLCs improved HDL function by inhibiting MPO-mediated oxidative stress even before appreciable changes in HDL levels.
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Affiliation(s)
- Anna V Mathew
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Lei Li
- Peking University Health Sciences Center, Beijing, China
| | - Jaeman Byun
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Yanhong Guo
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, MI
| | | | - Mamta Jaiswal
- Division of Metabolism, Endocrinology & Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Y Eugene Chen
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, MI
| | - Rodica Pop-Busui
- Division of Metabolism, Endocrinology & Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Subramaniam Pennathur
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI .,Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI
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89
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Millar CL, Duclos Q, Garcia C, Norris GH, Lemos BS, DiMarco DM, Fernandez ML, Blesso CN. Effects of Freeze-Dried Grape Powder on High-Density Lipoprotein Function in Adults with Metabolic Syndrome: A Randomized Controlled Pilot Study. Metab Syndr Relat Disord 2018; 16:464-469. [DOI: 10.1089/met.2018.0052] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Affiliation(s)
- Courtney L. Millar
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
| | - Quinn Duclos
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
| | - Chelsea Garcia
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
| | - Gregory H. Norris
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
| | - Bruno S. Lemos
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
| | - Diana M. DiMarco
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
| | - Maria Luz Fernandez
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut
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90
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Gordon SM, Chung JH, Playford MP, Dey AK, Sviridov D, Seifuddin F, Chen YC, Pirooznia M, Chen MY, Mehta NN, Remaley AT. High density lipoprotein proteome is associated with cardiovascular risk factors and atherosclerosis burden as evaluated by coronary CT angiography. Atherosclerosis 2018; 278:278-285. [PMID: 30347343 PMCID: PMC6263790 DOI: 10.1016/j.atherosclerosis.2018.09.032] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/24/2018] [Accepted: 09/21/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIMS High density lipoprotein cholesterol (HDL-C) is associated with risk of cardiovascular disease (CVD); however, therapeutic manipulations of HDL-C have failed to reduce CVD events. This suggests that HDL-C and the atheroprotective capacity of HDL are not directly linked. The goal of this study was to evaluate the relationships between HDL-bound proteins and measures of atherosclerosis burden and HDL function. METHODS The HDL proteome was analyzed using mass spectrometry in 126 human subjects, who had undergone coronary computed tomography angiography (CCTA) to quantify calcified (CB) and non-calcified (NCB) atherosclerosis burden. Partial least squares regression analysis was used to evaluate associations between HDL-bound proteins and CB, NCB, or cholesterol efflux capacity (CEC). RESULTS Significant overlap was found among proteins associated with NCB and CEC. Proteins that were associated with NCB displayed an inverse relationship with CEC, supporting a link between this protective function of HDL and clinical plaque burden. CB was associated with a set of proteins mostly distinct from NCB and CEC. When CVD risk factors were evaluated, BMI had a stronger influence on important HDL proteins than gender, age, or HDL-C. Most HDL proteins associated with function or atherosclerosis burden were not significantly correlated with HDL-C. CONCLUSIONS These findings indicate that the HDL proteome contains information not captured by HDL- C and, therefore, has potential for future development as a biomarker for CVD risk. Additionally, the proteome effects detected in this study may provide HDL compositional goals for evaluating new and existing HDL-modification therapies.
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Affiliation(s)
- Scott M. Gordon
- Lipoprotein Metabolism Section, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Jonathan H. Chung
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Martin P. Playford
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Amit K. Dey
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Denis Sviridov
- Lipoprotein Metabolism Section, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Fayaz Seifuddin
- Bioinformatics and Computational Biology Core Facility, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Yun-Ching Chen
- Bioinformatics and Computational Biology Core Facility, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Mehdi Pirooznia
- Bioinformatics and Computational Biology Core Facility, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Marcus Y. Chen
- Advanced Cardiovascular Imaging Laboratory, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Nehal N. Mehta
- Section of Inflammation and Cardiometabolic Diseases, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
| | - Alan T. Remaley
- Lipoprotein Metabolism Section, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
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91
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Millar CL, Norris GH, Jiang C, Kry J, Vitols A, Garcia C, Park YK, Lee JY, Blesso CN. Long-Term Supplementation of Black Elderberries Promotes Hyperlipidemia, but Reduces Liver Inflammation and Improves HDL Function and Atherosclerotic Plaque Stability in Apolipoprotein E-Knockout Mice. Mol Nutr Food Res 2018; 62:e1800404. [PMID: 30267603 DOI: 10.1002/mnfr.201800404] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 09/19/2018] [Indexed: 11/08/2022]
Abstract
SCOPE HDL particles are protective against atherosclerosis, but may become dysfunctional during inflammation and chronic disease progression. Anthocyanin-rich foods, such as the black elderberry, may improve HDL function and prevent disease development via antioxidant and/or anti-inflammatory effects. This study investigates the long-term consumption of black elderberry extract (BEE) on HDL function and atherosclerosis in apolipoprotein (apo) E-/- mice. METHODS AND RESULTS ApoE-/- mice (n = 12/group) are fed a low-fat diet, supplemented with 0, 0.25%, or 1% (by weight) BEE (≈37.5-150 mg anthocyanins per kg body weight) for 24 weeks. Feeding 1% BEE increases total serum cholesterol (+31%) and non-HDL cholesterol (+32%) compared with the control diet. PON1 arylesterase (+32%) and lactonase (+45%) activities also increase with the 1% BEE diet. Both 0.25% BEE and 1% BEE diets strongly increase HDL cholesterol efflux capacity (CEC) by 64% and 85%, respectively. Further, BEE dose-dependently lowers serum liver enzymes and hepatic inflammatory gene expression. Although there is no change in neutral lipid accumulation in atherosclerotic lesions, BEE promotes connective tissue deposition in the aortic root. CONCLUSIONS Chronic BEE supplementation in apoE-/- mice dose-dependently improves HDL function. Despite BEE promoting hyperlipidemia, which likely offsets HDL effects, BEE increases connective tissue content, suggesting improved atherosclerotic plaque stability.
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Affiliation(s)
- Courtney L Millar
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Gregory H Norris
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Christina Jiang
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - James Kry
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Addison Vitols
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Chelsea Garcia
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Young-Ki Park
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Ji-Young Lee
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
| | - Christopher N Blesso
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, 06118, USA
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92
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Li D, Huang F, Zhao Y, Villata PW, Griffin TJ, Zhang L, Li L, Yu F. Plasma lipoproteome in Alzheimer's disease: a proof-of-concept study. Clin Proteomics 2018; 15:31. [PMID: 30250409 PMCID: PMC6147047 DOI: 10.1186/s12014-018-9207-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 09/15/2018] [Indexed: 12/11/2022] Open
Abstract
Background Although total plasma lipoproteome consists of proteins that have shown promises as biomarkers that can identify Alzheimer's disease (AD), effect sizes are modest. The objective of this study is to provide initial proof-of-concept that the plasma lipoproteome more likely differ between AD cases and controls when measured in individual plasma lipoprotein fractions than when measured as total in immunodepleted plasma. Methods We first developed a targeted proteomics method based on selected reaction monitoring (SRM) and liquid chromatography and tandem mass spectrometry for measurement of 120 tryptic peptides from 79 proteins that are commonly present in plasma lipoproteins. Then in a proof-of concept case-control study of 5 AD cases and 5 sex- and age-matched controls, we applied the targeted proteomic method and performed relatively quantification of 120 tryptic peptides in plasma lipoprotein fractions (fractionated by sequential gradient ultracentrifugation) and in immunodepleted plasma (of albumin and IgG). Unadjusted p values from two-sample t-tests and overall fold change was used to evaluate a peptide relative difference between AD cases and controls, with lower p values (< 0.05) or greater fold differences (> 1.05 or < 0.95) suggestive of greater peptide/protein differences. Results Within-day and between-days technical precisions (mean %CV [SD] of all SRM transitions) of the targeted proteomic method were 3.95% (2.65) and 9.31% (5.59), respectively. Between-days technical precisions (mean % CV [SD]) of the entire plasma lipoproteomic workflow including plasma lipoprotein fractionation was 27.90% (14.61). Ten tryptic peptides that belonged to 5 proteins in plasma lipoproteins had unadjusted p values < 0.05, compared to no peptides in immunodepleted plasma. Furthermore, 27, 32, 17, and 20 tryptic peptides in VLDL, IDL, LDL and HDL, demonstrated overall peptide fold differences > 1.05 or < 0.95, compared to only 6 tryptic peptides in immunodepleted plasma. The overall comparisons, therefore, suggested greater peptide/protein differences in plasma lipoproteome when measured in individual plasma lipoproteins than as total in immunodepleted plasma. Specifically, protein complement C3's peptide IHWESASLLR, had unadjusted p values of 0.00007, 0.00012, and 0.0006 and overall 1.25, 1.17, 1.14-fold changes in VLDL, IDL, and LDL, respectively. After positive False Discovery Rate (pFDR) adjustment, the complement C3 peptide IHWESASLLR in VLDL remained statistically different (adjusted p value < 0.05). Discussion The findings may warrant future studies to investigate plasma lipoproteome when measured in individual plasma lipoprotein fractions for AD diagnosis.
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Affiliation(s)
- Danni Li
- 1Department of Laboratory Medicine and Pathology, University of Minnesota, 420 Delaware Street SE, MMC 609, Minneapolis, MN 55455 USA
| | - Fangying Huang
- 1Department of Laboratory Medicine and Pathology, University of Minnesota, 420 Delaware Street SE, MMC 609, Minneapolis, MN 55455 USA
| | - Yingchun Zhao
- 2Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455 USA
| | - Peter W Villata
- 2Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455 USA
| | - Timothy J Griffin
- 3Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN 55455 USA
| | - Lin Zhang
- 4Department of Biostatistics, University of Minnesota, Minneapolis, MN 55455 USA
| | - Ling Li
- 5Department of Experimental and Clinical Pharmacology, University of Minnesota, Minneapolis, MN 55455 USA
| | - Fang Yu
- 6School of Nursing, University of Minnesota, Minneapolis, MN 55455 USA
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93
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Liao S, Wu H, Chen R. Apolipoprotein A1 mimetic peptide ATI-5261 reverses arterial stiffness at late pregnancy and early postpartum in a COMT -/- mouse model of preeclampsia. Clin Hypertens 2018; 24:11. [PMID: 30237900 PMCID: PMC6138905 DOI: 10.1186/s40885-018-0097-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 08/09/2018] [Indexed: 12/26/2022] Open
Abstract
Background Preeclampsia (PE) is a serious maternal complication during pregnancy. Associated arterial stiffness in PE patients leads to increased risks of cardiovascular diseases later in life. Cholesterol efflux capacity, especially ATP binding cassette transporter A1 (ABCA1) dependent capacity, has been proposed to be a likely mediator of arterial stiffness. In the present study, we aimed to evaluate the effect of an apolipoprotein A1 mimetic peptide ATI-5261 on arterial stiffness in a mouse model of PE. Methods Pregnant COMT-/- mice were randomized to receive vehicle or ATI-5261 (30 mg/kg per day) via subcutaneous injection from gestational days (GD) 10.5 to GD 18.5 or to 10 days postpartum. Pregnant C57BL/6 J mice received vehicle during paralleled periods were served as normal controls. Results COMT-/- mice displayed maternal hypertension and proteinuria during pregnancy. Carotid-femoral pulse wave velocity (PWV) was increased at GD 18.5 and 10 days postpartum. ATI-5261 treatment in COMT-/- mice significantly reduced PWV and partially normalized impaired ex vivo vascular function at late pregnancy and early postpartum. ATI-5261 treatment also increased serum ABCA1 concentrations and cholesterol efflux capacity, as well as ABCA1 expressions in the placenta. Pup weights, crown to rump lengths and abdominal circumferences were reduced in COMT-/- mice. Treatment with ATI-5261 did not alter these fetal measurements but significantly reduced placental weights and increased fetal to placental ratios in COMT-/- mice. Conclusion ATI-5261 reversed arterial stiffness at late pregnancy and early postpartum in a COMT-/- mouse model of PE and may be a potential therapy for arterial stiffness associated with PE.
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Affiliation(s)
- Shutan Liao
- 1Rural Clinical School, University of New South Wales, Sydney, NSW Australia.,2The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hao Wu
- 3Chashan Teaching Centre, Department of Physiology, Wenzhou Medical University, Wenzhou, 325035 Zhejiang China
| | - Ruiying Chen
- 3Chashan Teaching Centre, Department of Physiology, Wenzhou Medical University, Wenzhou, 325035 Zhejiang China
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94
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Contreras-Duarte S, Chen P, Andía M, Uribe S, Irarrázaval P, Kopp S, Kern S, Marsche G, Busso D, Wadsack C, Rigotti A. Attenuation of atherogenic apo B-48-dependent hyperlipidemia and high density lipoprotein remodeling induced by vitamin C and E combination and their beneficial effect on lethal ischemic heart disease in mice. Biol Res 2018; 51:34. [PMID: 30219096 PMCID: PMC6138920 DOI: 10.1186/s40659-018-0183-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Accepted: 09/06/2018] [Indexed: 01/01/2023] Open
Abstract
Background and aims Atherosclerotic cardiovascular disease is highly prevalent and its underlying pathogenesis involves dyslipidemia including pro-atherogenic high density lipoprotein (HDL) remodeling. Vitamins C and E have been proposed as atheroprotective agents for cardiovascular disease management. However, their effects and benefits on high density lipoprotein function and remodeling are unknown. In this study, we evaluated the role of vitamin C and E on non HDL lipoproteins as well as HDL function and remodeling, along with their effects on inflammation/oxidation biomarkers and atherosclerosis in atherogenic diet-fed SR-B1 KO/ApoER61h/h mice. Methods and results Mice were pre-treated for 5 weeks before and during atherogenic diet feeding with vitamin C and E added to water and diet, respectively. Compared to a control group, combined vitamin C and E administration reduced serum total cholesterol and triglyceride levels by decreasing apo B-48-containing lipoproteins, remodeled HDL particles by reducing phospholipid as well as increasing PON1 and apo D content, and diminished PLTP activity and levels. Vitamin supplementation improved HDL antioxidant function and lowered serum TNF-α levels. Vitamin C and E combination attenuated atherogenesis and increased lifespan in atherogenic diet-fed SR-B1 KO/ApoER61h/h mice. Conclusions Vitamin C and E administration showed significant lipid metabolism regulating effects, including HDL remodeling and decreased levels of apoB-containing lipoproteins, in mice. In addition, this vitamin supplementation generated a cardioprotective effect in a murine model of severe and lethal atherosclerotic ischemic heart disease.
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Affiliation(s)
- S Contreras-Duarte
- Department of Nutrition, Diabetes and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile, Diagonal Paraguay #362 - 4º, Piso, 8330024, Santiago, Chile
| | - P Chen
- Department of Nutrition, Diabetes and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile, Diagonal Paraguay #362 - 4º, Piso, 8330024, Santiago, Chile
| | - M Andía
- Department of Radiology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Biomedical Imaging Center, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile.,Department of Electrical Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - S Uribe
- Department of Radiology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Biomedical Imaging Center, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile.,Department of Electrical Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - P Irarrázaval
- Biomedical Imaging Center, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile.,Department of Electrical Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - S Kopp
- Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria
| | - S Kern
- Institute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria
| | - G Marsche
- Institute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria
| | - D Busso
- Department of Nutrition, Diabetes and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile, Diagonal Paraguay #362 - 4º, Piso, 8330024, Santiago, Chile
| | - C Wadsack
- Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria
| | - A Rigotti
- Department of Nutrition, Diabetes and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile, Diagonal Paraguay #362 - 4º, Piso, 8330024, Santiago, Chile. .,Center of Molecular Nutrition and Chronic Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
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95
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Tort O, Escribà T, Egaña-Gorroño L, de Lazzari E, Cofan M, Fernandez E, Gatell JM, Martinez E, Garcia F, Arnedo M. Cholesterol efflux responds to viral load and CD4 counts in HIV+ patients and is dampened in HIV exposed. J Lipid Res 2018; 59:2108-2115. [PMID: 30213800 PMCID: PMC6210904 DOI: 10.1194/jlr.m088153] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 08/29/2018] [Indexed: 01/30/2023] Open
Abstract
Cholesterol efflux (CE) capacity has been inversely associated with atherosclerosis and may provide an insight on inflammation occurring in human immunodeficiency virus (HIV) individuals. We address this by studying CE in HIV patients at different stages of HIV disease progression. In this cross-sectional study, CE from ApoB-depleted plasma, lipids levels, viral load (VL), CD4+/CD8+ T-cells, high-sensitive C-reactive protein (hsCRP), and lipoprotein (a) were evaluated in untreated HIV-infected patients (UHIVs; n = 43), elite controllers (ECs; n = 8), HIV-exposed seronegative individuals (HESNs; n = 32), and healthy controls (HCs; n = 14). Among UHIVs, those with CD4+ <500 cells/mm3 presented the lowest significant CE, HDL cholesterol (HDL-C), and ApoAI levels. ECs showed similar HDL-C, ApoAI, and CE compared with HCs. Among UHIVs, CE positively correlated with CD4+ T-cell counts (Beta: 1.05; 95% CI: 1.02; 1.07), and for VL higher than 3.8 log, CE was inversely associated with VL (Beta: 0.70; 95% CI: 0.51; 0.95). Remarkably, HESNs presented higher CE (0.78 ± 0.14) than UHIVs (0.65 ± 0.17; P = 0.0005), but lower than HCs (0.90 ± 0.13; P = 0.009). hsCRP levels were highest in the UHIV group (0.45 ± 0.49). CE was sensitive to HIV disease progression. Low CE in HIV patients was associated with lower CD4+ T-cells and higher VL and hsCRP. CE was also lower in HESNs compared with HCs. Our results suggest that immune status secondary to HIV progression and exposure influence plasma HDL-CE capacity.
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Affiliation(s)
- Olivia Tort
- Group of Genomics and Pharmacogenomics, Acquired Immune Deficiency Syndrome Research Group, Catalan Project for the Development of a Human Immunodeficiency Virus Vaccine (HIVACAT), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic de Barcelona, Barcelona, Spain
| | - Tuixent Escribà
- Group of Genomics and Pharmacogenomics, Acquired Immune Deficiency Syndrome Research Group, Catalan Project for the Development of a Human Immunodeficiency Virus Vaccine (HIVACAT), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic de Barcelona, Barcelona, Spain
| | - Lander Egaña-Gorroño
- Group of Genomics and Pharmacogenomics, Acquired Immune Deficiency Syndrome Research Group, Catalan Project for the Development of a Human Immunodeficiency Virus Vaccine (HIVACAT), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic de Barcelona, Barcelona, Spain
| | - Elisa de Lazzari
- Infectious Diseases Service, Hospital Clínic-IDIBAPS, Laboratory of Retrovirology and Viral Immunopathogenesis, University of Barcelona, Barcelona, Spain
| | - Montserrat Cofan
- Lipid Clinic, Department of Endocrinology and Nutrition, Hospital Clínic de Barcelona, IDIBAPS, Barcelona, Spain and CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Emma Fernandez
- Infectious Diseases Service, Hospital Clínic-IDIBAPS, Laboratory of Retrovirology and Viral Immunopathogenesis, University of Barcelona, Barcelona, Spain
| | - José Maria Gatell
- Hospital Clinic/IDIBAPS, University of Barcelona, ViiV Healthcare, Barcelona, Spain
| | - Esteban Martinez
- Infectious Diseases Service, Hospital Clínic-IDIBAPS, Laboratory of Retrovirology and Viral Immunopathogenesis, University of Barcelona, Barcelona, Spain
| | - Felipe Garcia
- Infectious Diseases Service, Hospital Clínic-IDIBAPS, Laboratory of Retrovirology and Viral Immunopathogenesis, University of Barcelona, Barcelona, Spain
| | - Mireia Arnedo
- Group of Genomics and Pharmacogenomics, Acquired Immune Deficiency Syndrome Research Group, Catalan Project for the Development of a Human Immunodeficiency Virus Vaccine (HIVACAT), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic de Barcelona, Barcelona, Spain
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96
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Anastasius M, Luquain-Costaz C, Kockx M, Jessup W, Kritharides L. A critical appraisal of the measurement of serum 'cholesterol efflux capacity' and its use as surrogate marker of risk of cardiovascular disease. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:1257-1273. [PMID: 30305243 DOI: 10.1016/j.bbalip.2018.08.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 08/02/2018] [Accepted: 08/03/2018] [Indexed: 12/15/2022]
Abstract
The 'cholesterol efflux capacity (CEC)' assay is a simple in vitro measure of the capacities of individual sera to promote the first step of the reverse cholesterol transport pathway, the delivery of cellular cholesterol to plasma HDL. This review describes the cell biology of this model and critically assesses its application as a marker of cardiovascular risk. We describe the pathways for cell cholesterol export, current cell models used in the CEC assay with their limitations and consider the contribution that measurement of serum CEC provides to our understanding of HDL function in vivo.
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Affiliation(s)
- Malcolm Anastasius
- ANZAC Research Institute, Concord Repatriation General Hospital, University of Sydney, Sydney, NSW, Australia
| | | | - Maaike Kockx
- ANZAC Research Institute, Concord Repatriation General Hospital, University of Sydney, Sydney, NSW, Australia
| | - Wendy Jessup
- ANZAC Research Institute, Concord Repatriation General Hospital, University of Sydney, Sydney, NSW, Australia
| | - Leonard Kritharides
- ANZAC Research Institute, Concord Repatriation General Hospital, University of Sydney, Sydney, NSW, Australia; Cardiology Department, Concord Repatriation General Hospital, University of Sydney, Sydney, NSW, Australia.
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97
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Affiliation(s)
- Sergio Fazio
- From the Center for Preventive Cardiology of the Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University, Portland.
| | - Nathalie Pamir
- From the Center for Preventive Cardiology of the Knight Cardiovascular Institute, Department of Medicine, Oregon Health & Science University, Portland
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98
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Ronci M, Leporini L, Felaco P, Sirolli V, Pieroni L, Greco V, Aceto A, Urbani A, Bonomini M. Proteomic Characterization of a New asymmetric Cellulose Triacetate Membrane for Hemodialysis. Proteomics Clin Appl 2018; 12:e1700140. [PMID: 29808585 DOI: 10.1002/prca.201700140] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 04/27/2018] [Indexed: 12/24/2022]
Abstract
PURPOSE The artificial membrane inside the haemodialyzer is the main determinant of the quality and success of haemodialysis therapy. The performances of haemodialysis membranes are highly influenced by the interactions with plasma proteins, which in turn are related to the physical and chemical characteristics of the membrane material. The present cross-over study is aimed to analyse the haemodialysis performance of a newly developed asymmetric cellulose triacetate membrane (ATA) in comparison to the conventional parent symmetric polymer (CTA). EXPERIMENTAL DESIGN In four chronic non diabetic haemodialysis patients, the protein constituents of the adsorbed material from the filters after the haemodialysis session, and the proteins recovered in the ultrafiltrate during the session, are identified using a bottom-up shotgun proteomics approach. RESULTS The ATA membrane shows a lower protein adsorption rate and a lower mass distribution pattern of the proteinaceous material. CONCLUSIONS AND CLINICAL RELEVANCE By highlighting the differences between the two haemodialysis filters in terms of adsorbed proteins and flow through, it is demonstrated the higher biocompatibility of the novel ATA membrane, that fulfils the indications for the development of more performant membranes and may represent a step forward for the treatment of patients on chronic haemodialysis.
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Affiliation(s)
- Maurizio Ronci
- Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy.,IRCCS-Santa Lucia Foundation, Rome 00144, Italy
| | - Lidia Leporini
- Department of Pharmacy, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | - Paolo Felaco
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | - Vittorio Sirolli
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | | | | | - Antonio Aceto
- Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | - Andrea Urbani
- IRCCS-Santa Lucia Foundation, Rome 00144, Italy.,Institute of Biochemistry and Clinical Biochemistry, School of Medicine, Catholic University, Rome 00144, Italy
| | - Mario Bonomini
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
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99
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Andersen CJ. Impact of Dietary Cholesterol on the Pathophysiology of Infectious and Autoimmune Disease. Nutrients 2018; 10:E764. [PMID: 29899295 PMCID: PMC6024721 DOI: 10.3390/nu10060764] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/02/2018] [Accepted: 06/11/2018] [Indexed: 01/02/2023] Open
Abstract
Cellular cholesterol metabolism, lipid raft formation, and lipoprotein interactions contribute to the regulation of immune-mediated inflammation and response to pathogens. Lipid pathways have been implicated in the pathogenesis of bacterial and viral infections, whereas altered lipid metabolism may contribute to immune dysfunction in autoimmune diseases, such as systemic lupus erythematosus, multiple sclerosis, and rheumatoid arthritis. Interestingly, dietary cholesterol may exert protective or detrimental effects on risk, progression, and treatment of different infectious and autoimmune diseases, although current findings suggest that these effects are variable across populations and different diseases. Research evaluating the effects of dietary cholesterol, often provided by eggs or as a component of Western-style diets, demonstrates that cholesterol-rich dietary patterns affect markers of immune inflammation and cellular cholesterol metabolism, while additionally modulating lipoprotein profiles and functional properties of HDL. Further, cholesterol-rich diets appear to differentially impact immunomodulatory lipid pathways across human populations of variable metabolic status, suggesting that these complex mechanisms may underlie the relationship between dietary cholesterol and immunity. Given the Dietary Guidelines for Americans 2015⁻2020 revision to no longer include limitations on dietary cholesterol, evaluation of dietary cholesterol recommendations beyond the context of cardiovascular disease risk is particularly timely. This review provides a comprehensive and comparative analysis of significant and controversial studies on the role of dietary cholesterol and lipid metabolism in the pathophysiology of infectious disease and autoimmune disorders, highlighting the need for further investigation in this developing area of research.
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100
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Morgantini C, Trifirò S, Tricò D, Meriwether D, Baldi S, Mengozzi A, Reddy ST, Natali A. A short-term increase in dietary cholesterol and fat intake affects high-density lipoprotein composition in healthy subjects. Nutr Metab Cardiovasc Dis 2018; 28:575-581. [PMID: 29699812 DOI: 10.1016/j.numecd.2018.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 02/19/2018] [Accepted: 03/10/2018] [Indexed: 11/21/2022]
Abstract
BACKGROUND AND AIMS High-cholesterol and high-fat diets alter biochemical composition and anti-oxidant properties of high-density lipoproteins (HDL) in animals. Whether this occurs in humans is unknown. Therefore, we examined the effect of a short-term elevation in dietary cholesterol and fat intake on HDL composition in healthy subjects. METHODS AND RESULTS In a randomized, crossover clinical trial, 14 healthy young volunteers followed a 14-day low-cholesterol/low-fat diet (LChF) and a 14-day isocaloric high-cholesterol/high-fat diet (HChF) in a random order. After each diet, we measured HDL concentrations of hydroxyeicosatetraenoic acids (HETE), hydroxyoctadecadienoic acids (HODE), and haptoglobin, as well as serum amyloid A (SAA) and paroxonase-1 activity (PON-1). HDL concentrations of 15-HETE (+254%, p = 0.002), 5-HETE (+116%, p = 0.004), 13-HODE (+102%, p = 0.049), and SAA levels (+75%, p = 0.007) were significantly higher after the HChF than after the LChF. Furthermore, haptoglobin was marginally increased (+32%, p = 0.091) while PON-1 activity was unaffected (-16%, p = 0.366) by the HChF. CONCLUSION In healthy subjects, a short-term elevation in dietary cholesterol and fat intake increases HDL lipid hydroperoxide content (15-HETE, 5-HETE, 13-HODE) and SAA levels, which are key features of dysfunctional HDL. This is the first study showing that a physiologic manipulation of dietary cholesterol and fat intake affects HDL lipidome and proteome in healthy subjects independently of weight changes. CLINICAL TRIAL REGISTRATION NCT02549144.
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Affiliation(s)
- C Morgantini
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy; Integrated Cardio Metabolic Centre, Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - S Trifirò
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - D Tricò
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy; Institute of Life Science, Sant'Anna School of Advanced Studies, Pisa, Italy
| | - D Meriwether
- Department of Medicine and Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - S Baldi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - A Mengozzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - S T Reddy
- Department of Medicine and Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - A Natali
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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