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Le TN, Bright R, Truong VK, Li J, Juneja R, Vasilev K. Key biomarkers in type 2 diabetes patients: A systematic review. Diabetes Obes Metab 2024. [PMID: 39355932 DOI: 10.1111/dom.15991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2024] [Revised: 09/10/2024] [Accepted: 09/19/2024] [Indexed: 10/03/2024]
Abstract
Type 2 diabetes mellitus (T2DM) is not just a local health issue but a significant global health burden, affecting patient outcomes and clinical management worldwide. Despite the wealth of studies reporting T2DM biomarkers, there is an urgent need for a comparative review. This review aims to provide a comprehensive analysis based on the reported T2DM biomarkers and how these are linked with other conditions, such as inflammation and wound healing. A comparative review was conducted on 24 001 study participants, including 10 024 T2DM patients and 13 977 controls (CTL; age 30-90 years). Four main profiles were extracted and analysed from the clinical reports over the past 11 years: haematological (1084 cases vs. 1458 CTL), protein (6753 cases vs. 9613 CTL), cytokine (975 cases vs. 1350 CTL) and lipid (1212 cases vs. 1556 CTL). This review provides a detailed analysis of the haematological profile in T2DM patients, highlighting fundamental changes such as increased white blood cells and platelet counts, accompanied by decreases in red blood cell counts and iron absorption. In the serum protein profile, a reduction in albumin and anti-inflammatory cytokines was noted along with an increase in globulin levels and pro-inflammatory cytokines. Furthermore, changes in lipid profiles were discussed, specifically the decreases in high-density lipoprotein (HDL) and the increases in low-density lipoprotein (LDL) and triglycerides. Understanding the changes in these four biomarker profiles is essential for developing innovative strategies to create diagnostic and prognostic tools for diabetes management.
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Affiliation(s)
- Thien Ngoc Le
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
| | - Richard Bright
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
| | - Vi-Khanh Truong
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
| | - Jordan Li
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
- Department of Renal Medicine, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Rajiv Juneja
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
- Department of Renal Medicine, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Krasimir Vasilev
- College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
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Vaisar T, Babenko I, Horvath KV, Niisuke K, Asztalos BF. Relationships between HDL subpopulation proteome and HDL function in overweight/obese people with and without coronary heart disease. Atherosclerosis 2024; 397:118565. [PMID: 39260003 DOI: 10.1016/j.atherosclerosis.2024.118565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 08/08/2024] [Accepted: 08/09/2024] [Indexed: 09/13/2024]
Abstract
BACKGROUND AND AIMS The structure-function relationships of high-density lipoprotein (HDL) subpopulations are not well understood. Our aim was to examine the interrelationships between HDL particle proteome and HDL functionality in subjects with and without coronary heart disease (CHD). METHODS We isolated 5 different HDL subpopulations based on charge, size, and apolipoprotein A1 (APOA1) content from the plasma of 33 overweight/obese CHD patients and 33 age-and body mass index (BMI)-matched CHD-free subjects. We measured the relative molar concentration of HDL-associated proteins by liquid chromatography tandem mass spectrometry (LC-MS/MS) and assessed particle functionality. RESULTS We quantified 110 proteins associated with the 5 APOA1-containing HDL subpopulations. The relative molar concentration of these proteins spanned five orders of magnitude. Only 10 proteins were present in >1% while 73 were present in <0.1% concentration. Only 6 of the 10 most abundant proteins were apolipoproteins. Interestingly, the largest (α-1) and the smallest (preβ-1) HDL particles contained the most diverse proteomes. The protein composition of each HDL subpopulation was altered in CHD cases as compared to controls with the most prominent differences in preβ-1 and α-1 particles. APOA2 concentration was positively correlated with preβ-1 particle functionality (ABCA1-CEC/mg APOA1 in preβ-1) (R2 = 0.42, p = 0.005), while APOE concentration was inversely correlated with large-HDL particle functionality (SRBI-CEC/mg APOA1 in α-1+α-2) (R2 = 0.18, p = 0.01). CONCLUSIONS The protein composition of the different HDL subpopulations was altered differentially in CHD patients. The functionality of the small and large HDL particles correlated with the protein content of APOA2 and APOE, respectively. Our data indicate that distinct particle subspecies and specific particle associated proteins provide new information about the role of HDL in CHD.
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Affiliation(s)
- Tomas Vaisar
- UW Medicine Diabetes Institute, Department of Medicine, University of Washington, Seattle, WA, USA.
| | - Ilona Babenko
- UW Medicine Diabetes Institute, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Katalin V Horvath
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Katrin Niisuke
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Bela F Asztalos
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
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3
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Tang H, Guo KX, Huang KE, Li YF, Chen W, Wei HY, Yu XQ, Ke XH. An assessment of the antihyperlipidemic ingredients of Qi Ge Decoction based on metabolomics combined with serum pharmacochemistry. Biomed Chromatogr 2024; 38:e5922. [PMID: 38867488 DOI: 10.1002/bmc.5922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 03/29/2024] [Accepted: 05/14/2024] [Indexed: 06/14/2024]
Abstract
This study aims to explore the pharmacological substance basis of Qi Ge Decoction (QG) in antihyperlipidemia through a combination of metabolomics and serum pharmacochemistry. We used ultra-performance liquid chromatography quadrupole-time-of-flight/MS (UPLC Q-TOF/MS) to analyze and identify the chemical constituents of QG in vitro and in blood chemical components. The metabolomics technology was used to analyze serum biomarkers of QG in preventing and treating hyperlipidemia. We constructed a mathematical model of the relationship between constituents absorbed into the blood and endogenous biomarkers and explored the potential therapeutic application of QG for the prevention and treatment of hyperlipidemia. Compared with the model group, the levels of total cholesterol and triglyceride in the QG group were significantly decreased (P < 0.01). A total of 12 chemical components absorbed into the blood were identified, and 48 biomarkers of the hyperlipidemia model were obtained from serum metabolomic analysis, of which 15 metabolites were backregulated after QG intervention. Puerarin, hesperetin, puerarin xyloside, calycosin, and monohydroxy-tetramethoxyflavone had a high correlation with the biomarkers regulated by QG. This study elucidated the material basis of QG in the intervention of hyperlipidemia, thereby facilitating future research aimed at further revealing the pharmacodynamic material basis of QG's antihyperlipidemic effects.
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Affiliation(s)
- Hui Tang
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Kai Xin Guo
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Ke Er Huang
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yan Fang Li
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Wei Chen
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Hao Yang Wei
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Xiao Qing Yu
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Xue Hong Ke
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
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4
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Poteryaeva ON, Usynin IF. Molecular mechanisms of the regulatory action of high-density lipoproteins on the endothelial function. BIOMEDITSINSKAIA KHIMIIA 2024; 70:206-217. [PMID: 39239895 DOI: 10.18097/pbmc20247004206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2024]
Abstract
Endothelial dysfunction underlies the pathogenesis of many diseases, primarily cardiovascular diseases. Epidemiological studies have shown an inverse dependence between the plasma level of high-density lipoproteins (HDL) and cardiovascular diseases. The results of experimental studies indicate that the antiatherogenic effect of HDL is associated not only with their participation in the reverse transport of excess cholesterol, but also with their regulatory effect on the functions of cells of various organs and tissues, including endothelial cells. The purpose of this review is to consider recent data on the participation of plasma receptors and related intracellular signaling pathways in the mechanism of protective effect of HDL on endothelial cell functions. Understanding the mechanisms of cell function regulation under the influence of HDL is an important step for the development of new ways of pharmacological correction of impaired endothelial functions and creation of effective endothelial protection drugs.
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Affiliation(s)
- O N Poteryaeva
- Institute of Biochemistry, Federal Research Center of Fundamental and Translation Medicine, Novosibirsk, Russia
| | - I F Usynin
- Institute of Biochemistry, Federal Research Center of Fundamental and Translation Medicine, Novosibirsk, Russia
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5
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Lui DTW, Tan KCB. High-density lipoprotein in diabetes: Structural and functional relevance. J Diabetes Investig 2024; 15:805-816. [PMID: 38416054 PMCID: PMC11215696 DOI: 10.1111/jdi.14172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 02/29/2024] Open
Abstract
Low levels of high-density lipoprotein-cholesterol (HDL-C) is considered a major cardiovascular risk factor. However, recent studies have suggested a more U-shaped association between HDL-C and cardiovascular disease. It has been shown that the cardioprotective effect of HDL is related to the functions of HDL particles rather than their cholesterol content. HDL particles are highly heterogeneous and have multiple functions relevant to cardiometabolic conditions including cholesterol efflux capacity, anti-oxidative, anti-inflammatory, and vasoactive properties. There are quantitative and qualitative changes in HDL as well as functional abnormalities in both type 1 and type 2 diabetes. Non-enzymatic glycation, carbamylation, oxidative stress, and systemic inflammation can modify the HDL composition and therefore the functions, especially in situations of poor glycemic control. Studies of HDL proteomics and lipidomics have provided further insights into the structure-function relationship of HDL in diabetes. Interestingly, HDL also has a pleiotropic anti-diabetic effect, improving glycemic control through improvement in insulin sensitivity and β-cell function. Given the important role of HDL in cardiometabolic health, HDL-based therapeutics are being developed to enhance HDL functions rather than to increase HDL-C levels. Among these, recombinant HDL and small synthetic apolipoprotein A-I mimetic peptides may hold promise for preventing and treating diabetes and cardiovascular disease.
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Affiliation(s)
- David Tak Wai Lui
- Department of Medicine, School of Clinical Medicine, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong SARChina
| | - Kathryn Choon Beng Tan
- Department of Medicine, School of Clinical Medicine, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong SARChina
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6
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Skoug C, Erdogan H, Vanherle L, Vieira JPP, Matthes F, Eliasson L, Meissner A, Duarte JMN. Density of Sphingosine-1-Phosphate Receptors Is Altered in Cortical Nerve-Terminals of Insulin-Resistant Goto-Kakizaki Rats and Diet-Induced Obese Mice. Neurochem Res 2024; 49:338-347. [PMID: 37794263 PMCID: PMC10787890 DOI: 10.1007/s11064-023-04033-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/21/2023] [Accepted: 09/15/2023] [Indexed: 10/06/2023]
Abstract
Sphingosine-1-phosphate (S1P) is a phosphosphingolipid with pleiotropic biological functions. S1P acts as an intracellular second messenger, as well as extracellular ligand to five G-protein coupled receptors (S1PR1-5). In the brain, S1P regulates neuronal proliferation, apoptosis, synaptic activity and neuroglia activation. Moreover, S1P metabolism alterations have been reported in neurodegenerative disorders. We have previously reported that S1PRs are present in nerve terminals, exhibiting distinct sub-synaptic localization and neuromodulation actions. Since type 2 diabetes (T2D) causes synaptic dysfunction, we hypothesized that S1P signaling is modified in nerve terminals. In this study, we determined the density of S1PRs in cortical synaptosomes from insulin-resistant Goto-Kakizaki (GK) rats and Wistar controls, and from mice fed a high-fat diet (HFD) and low-fat-fed controls. Relative to their controls, GK rats showed similar cortical S1P concentration despite higher S1P levels in plasma, yet lower density of S1PR1, S1PR2 and S1PR4 in nerve-terminal-enriched membranes. HFD-fed mice exhibited increased plasma and cortical concentrations of S1P, and decreased density of S1PR1 and S1PR4. These findings point towards altered S1P signaling in synapses of insulin resistance and diet-induced obesity models, suggesting a role of S1P signaling in T2D-associated synaptic dysfunction.
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Affiliation(s)
- Cecilia Skoug
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Hüseyin Erdogan
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden
| | - Lotte Vanherle
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - João P P Vieira
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Frank Matthes
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Lena Eliasson
- Unit of Islet Cell Exocytosis, Department of Clinical Sciences Malmö, Lund University Diabetes Centre, Lund University, Malmö, Sweden
- Clinical Research Center, Skåne University Hospital, Malmö, Sweden
| | - Anja Meissner
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
- Department of Physiology, Institute of Theoretical Medicine, Medical Faculty, University of Augsburg, Augsburg, Germany
| | - João M N Duarte
- Department of Experimental Medical Science (EMV), Faculty of Medicine, Lund University, Sölvegatan 19, BMC C11, 221 84, Lund, Sweden.
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden.
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7
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Lopes-Virella MF, Hammad SM, Baker NL, Klein RL, Hunt KJ. Circulating Lipoprotein Sphingolipids in Chronic Kidney Disease with and without Diabetes. Biomedicines 2024; 12:190. [PMID: 38255295 PMCID: PMC10813484 DOI: 10.3390/biomedicines12010190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/25/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Abnormalities of sphingolipid metabolism play an important role in diabetes. We compared sphingolipid levels in plasma and in isolated lipoproteins between healthy control subjects and two groups of patients, one with chronic kidney disease without diabetes (ND-CKD), and the other with type 2 diabetes and macroalbuminuria (D-MA). Ceramides, sphingomyelins, and sphingoid bases and their phosphates in LDL were higher in ND-CKD and in D-MA patients compared to controls. However, ceramides and sphingoid bases in HDL2 and HDL3 were lower in ND-CKD and in D-MA patients than in controls. Sphingomyelins in HDL2 and HDL3 were lower in D-MA patients than in controls but were normal in ND-CKD patients. Compared to controls, lactosylceramides in LDL and VLDL were higher in ND-CKD patients but not in D-MA patients. However, lactosylceramides in HDL2 and HDL3 were lower in both ND-CKD and D-MA patients than in controls. Plasma hexosylceramides in ND-CKD patients were increased and sphingoid bases decreased in both ND-CKD and D-MA patients. However, hexosylceramides in LDL, HDL2, and HDL3 were higher in ND-CKD patients than in controls. In D-MA patients, only C16:0 hexosylceramide in LDL was higher than in controls. The data suggest that sphingolipid measurement in lipoproteins, rather than in whole plasma, is crucial to decipher the role of sphingolipids in kidney disease.
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Affiliation(s)
- Maria F. Lopes-Virella
- Department of Medicine, Division of Diabetes, Endocrinology and Medical Genetics, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA;
| | - Samar M. Hammad
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Nathaniel L. Baker
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - Richard L. Klein
- Department of Medicine, Division of Diabetes, Endocrinology and Medical Genetics, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA;
| | - Kelly J. Hunt
- Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA;
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA;
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Denimal D. Antioxidant and Anti-Inflammatory Functions of High-Density Lipoprotein in Type 1 and Type 2 Diabetes. Antioxidants (Basel) 2023; 13:57. [PMID: 38247481 PMCID: PMC10812436 DOI: 10.3390/antiox13010057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
(1) Background: high-density lipoproteins (HDLs) exhibit antioxidant and anti-inflammatory properties that play an important role in preventing the development of atherosclerotic lesions and possibly also diabetes. In turn, both type 1 diabetes (T1D) and type 2 diabetes (T2D) are susceptible to having deleterious effects on these HDL functions. The objectives of the present review are to expound upon the antioxidant and anti-inflammatory functions of HDLs in both diabetes in the setting of atherosclerotic cardiovascular diseases and discuss the contributions of these HDL functions to the onset of diabetes. (2) Methods: this narrative review is based on the literature available from the PubMed database. (3) Results: several antioxidant functions of HDLs, such as paraoxonase-1 activity, are compromised in T2D, thereby facilitating the pro-atherogenic effects of oxidized low-density lipoproteins. In addition, HDLs exhibit diminished ability to inhibit pro-inflammatory pathways in the vessels of individuals with T2D. Although the literature is less extensive, recent evidence suggests defective antiatherogenic properties of HDL particles in T1D. Lastly, substantial evidence indicates that HDLs play a role in the onset of diabetes by modulating glucose metabolism. (4) Conclusions and perspectives: impaired HDL antioxidant and anti-inflammatory functions present intriguing targets for mitigating cardiovascular risk in individuals with diabetes. Further investigations are needed to clarify the influence of glycaemic control and nephropathy on HDL functionality in patients with T1D. Furthermore, exploring the effects on HDL functionality of novel antidiabetic drugs used in the management of T2D may provide intriguing insights for future research.
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Affiliation(s)
- Damien Denimal
- Unit 1231, Center for Translational and Molecular Medicine, University of Burgundy, 21000 Dijon, France;
- Department of Clinical Biochemistry, Dijon Bourgogne University Hospital, 21079 Dijon, France
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9
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Hammad SM, Lopes-Virella MF. Circulating Sphingolipids in Insulin Resistance, Diabetes and Associated Complications. Int J Mol Sci 2023; 24:14015. [PMID: 37762318 PMCID: PMC10531201 DOI: 10.3390/ijms241814015] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
Sphingolipids play an important role in the development of diabetes, both type 1 and type 2 diabetes, as well as in the development of both micro- and macro-vascular complications. Several reviews have been published concerning the role of sphingolipids in diabetes but most of the emphasis has been on the possible mechanisms by which sphingolipids, mainly ceramides, contribute to the development of diabetes. Research on circulating levels of the different classes of sphingolipids in serum and in lipoproteins and their importance as biomarkers to predict not only the development of diabetes but also of its complications has only recently emerged and it is still in its infancy. This review summarizes the previously published literature concerning sphingolipid-mediated mechanisms involved in the development of diabetes and its complications, focusing on how circulating plasma sphingolipid levels and the relative content carried by the different lipoproteins may impact their role as possible biomarkers both in the development of diabetes and mainly in the development of diabetic complications. Further studies in this field may open new therapeutic avenues to prevent or arrest/reduce both the development of diabetes and progression of its complications.
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Affiliation(s)
- Samar M. Hammad
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Maria F. Lopes-Virella
- Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson VA Medical Center, Charleston, SC 29425, USA
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Abstract
Epidemiologic studies detected an inverse relationship between HDL (high-density lipoprotein) cholesterol (HDL-C) levels and atherosclerotic cardiovascular disease (ASCVD), identifying HDL-C as a major risk factor for ASCVD and suggesting atheroprotective functions of HDL. However, the role of HDL-C as a mediator of risk for ASCVD has been called into question by the failure of HDL-C-raising drugs to reduce cardiovascular events in clinical trials. Progress in understanding the heterogeneous nature of HDL particles in terms of their protein, lipid, and small RNA composition has contributed to the realization that HDL-C levels do not necessarily reflect HDL function. The most examined atheroprotective function of HDL is reverse cholesterol transport, whereby HDL removes cholesterol from plaque macrophage foam cells and delivers it to the liver for processing and excretion into bile. Indeed, in several studies, HDL has shown inverse associations between HDL cholesterol efflux capacity and ASCVD in humans. Inflammation plays a key role in the pathogenesis of atherosclerosis and vulnerable plaque formation, and a fundamental function of HDL is suppression of inflammatory signaling in macrophages and other cells. Oxidation is also a critical process to ASCVD in promoting atherogenic oxidative modifications of LDL (low-density lipoprotein) and cellular inflammation. HDL and its proteins including apoAI (apolipoprotein AI) and PON1 (paraoxonase 1) prevent cellular oxidative stress and LDL modifications. Importantly, HDL in humans with ASCVD is oxidatively modified rendering HDL dysfunctional and proinflammatory. Modification of HDL with reactive carbonyl species, such as malondialdehyde and isolevuglandins, dramatically impairs the antiatherogenic functions of HDL. Importantly, treatment of murine models of atherosclerosis with scavengers of reactive dicarbonyls improves HDL function and reduces systemic inflammation, atherosclerosis development, and features of plaque instability. Here, we discuss the HDL antiatherogenic functions in relation to oxidative modifications and the potential of reactive dicarbonyl scavengers as a therapeutic approach for ASCVD.
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Affiliation(s)
- MacRae F. Linton
- 1. Department of Medicine, Division of Cardiovascular Medicine, Atherosclerosis Research Unit, Vanderbilt University School of Medicine, Nashville, TN 37232
- 2. Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232
| | - Patricia G. Yancey
- 1. Department of Medicine, Division of Cardiovascular Medicine, Atherosclerosis Research Unit, Vanderbilt University School of Medicine, Nashville, TN 37232
| | - Huan Tao
- 1. Department of Medicine, Division of Cardiovascular Medicine, Atherosclerosis Research Unit, Vanderbilt University School of Medicine, Nashville, TN 37232
| | - Sean S. Davies
- 2. Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232
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Expanding the Molecular Disturbances of Lipoproteins in Cardiometabolic Diseases: Lessons from Lipidomics. Diagnostics (Basel) 2023; 13:diagnostics13040721. [PMID: 36832218 PMCID: PMC9954993 DOI: 10.3390/diagnostics13040721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/28/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
The increasing global burden of cardiometabolic diseases highlights the urgent clinical need for better personalized prediction and intervention strategies. Early diagnosis and prevention could greatly reduce the enormous socio-economic burden posed by these states. Plasma lipids including total cholesterol, triglycerides, HDL-C, and LDL-C have been at the center stage of the prediction and prevention strategies for cardiovascular disease; however, the bulk of cardiovascular disease events cannot be explained sufficiently by these lipid parameters. The shift from traditional serum lipid measurements that are poorly descriptive of the total serum lipidomic profile to comprehensive lipid profiling is an urgent need, since a wealth of metabolic information is currently underutilized in the clinical setting. The tremendous advances in the field of lipidomics in the last two decades has facilitated the research efforts to unravel the lipid dysregulation in cardiometabolic diseases, enabling the understanding of the underlying pathophysiological mechanisms and identification of predictive biomarkers beyond traditional lipids. This review presents an overview of the application of lipidomics in the study of serum lipoproteins in cardiometabolic diseases. Integrating the emerging multiomics with lipidomics holds great potential in moving toward this goal.
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Denimal D, Monier S, Bouillet B, Vergès B, Duvillard L. High-Density Lipoprotein Alterations in Type 2 Diabetes and Obesity. Metabolites 2023; 13:metabo13020253. [PMID: 36837872 PMCID: PMC9967905 DOI: 10.3390/metabo13020253] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Alterations affecting high-density lipoproteins (HDLs) are one of the various abnormalities observed in dyslipidemia in type 2 diabetes mellitus (T2DM) and obesity. Kinetic studies have demonstrated that the catabolism of HDL particles is accelerated. Both the size and the lipidome and proteome of HDL particles are significantly modified, which likely contributes to some of the functional defects of HDLs. Studies on cholesterol efflux capacity have yielded heterogeneous results, ranging from a defect to an improvement. Several studies indicate that HDLs are less able to inhibit the nuclear factor kappa-B (NF-κB) proinflammatory pathway, and subsequently, the adhesion of monocytes on endothelium and their recruitment into the subendothelial space. In addition, the antioxidative function of HDL particles is diminished, thus facilitating the deleterious effects of oxidized low-density lipoproteins on vasculature. Lastly, the HDL-induced activation of endothelial nitric oxide synthase is less effective in T2DM and metabolic syndrome, contributing to several HDL functional defects, such as an impaired capacity to promote vasodilatation and endothelium repair, and difficulty counteracting the production of reactive oxygen species and inflammation.
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Affiliation(s)
- Damien Denimal
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Biochemistry, CHU Dijon Bourgogne, 21000 Dijon, France
- Correspondence:
| | - Serge Monier
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
| | - Benjamin Bouillet
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Endocrinology and Diabetology, CHU Dijon Bourgogne, 21000 Dijon, France
| | - Bruno Vergès
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Endocrinology and Diabetology, CHU Dijon Bourgogne, 21000 Dijon, France
| | - Laurence Duvillard
- INSERM, UMR1231, University of Burgundy, 21000 Dijon, France
- Department of Biochemistry, CHU Dijon Bourgogne, 21000 Dijon, France
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13
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Ahmed YM, Orfali R, Abdelwahab NS, Hassan HM, Rateb ME, AboulMagd AM. Partial Synthetic PPARƳ Derivative Ameliorates Aorta Injury in Experimental Diabetic Rats Mediated by Activation of miR-126-5p Pi3k/AKT/PDK 1/mTOR Expression. Pharmaceuticals (Basel) 2022; 15:1175. [PMID: 36297290 PMCID: PMC9607084 DOI: 10.3390/ph15101175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/17/2022] [Accepted: 09/17/2022] [Indexed: 11/16/2022] Open
Abstract
Type 2 diabetes mellitus (T2D) is a world wild health care issue marked by insulin resistance, a risk factor for the metabolic disorder that exaggerates endothelial dysfunction, increasing the risk of cardiovascular complications. Peroxisome proliferator-activated receptor PPAR) agonists have therapeutically mitigated hyperlipidemia and hyperglycemia in T2D patients. Therefore, we aimed to experimentally investigate the efficacy of newly designed synthetic PPARα/Ƴ partial agonists on a High-Fat Diet (HFD)/streptozotocin (STZ)-induced T2D. Female Wistar rats (200 ± 25 g body weight) were divided into four groups. The experimental groups were fed the HFD for three consecutive weeks before STZ injection (45 mg/kg/i.p) to induce T2D. Standard reference PPARƳ agonist pioglitazone and the partial synthetic PPARƳ (PIO; 20 mg/kg/BW, orally) were administered orally for 2 weeks after 72 h of STZ injection. The aorta tissue was isolated for biological ELISA, qRT-PCR, and Western blotting investigations for vascular inflammatory endothelial mediators endothelin-1 (ET-1), intracellular adhesion molecule 1 (ICAM-1), E-selectin, and anti-inflammatory vasoactive intestinal polypeptide (VIP), as well as microRNA126-5p and p-AKT/p-Pi3k/p-PDK-1/p-mTOR, endothelial Nitric Oxide Synthase (eNOS) immunohistochemical staining all are coupled with and histopathological examination. Our results revealed that HFD/STZ-induced T2D increased fasting blood glucose, ET-1, ICAM-1, E-selectin, and VIP levels, while decreasing the expression of both microRNA126-5p and p-AKT/p-Pi3k/p-PDK-1/p-mTOR phosphorylation. In contrast, the partial synthetic PPARƳ derivative evidenced a vascular alteration significantly more than reference PIO via decreasing (ET-1), ICAM-1, E-selectin, and VIP, along with increased expression of microRNA126-5p and p-AKT/p-Pi3k/p-PDK-1/p-mTOR. In conclusion, the partial synthetic PPARƳ derivative significantly affected HFD/STZ-induced T2D with vascular complications in the rat aorta.
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Affiliation(s)
- Yasmin M. Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni-Suef 62521, Egypt
| | - Raha Orfali
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Nada S. Abdelwahab
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Nahda University, Beni-Suef 62521, Egypt
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62521, Egypt
| | - Hossam M. Hassan
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62521, Egypt
| | - Mostafa E. Rateb
- School of Computing, Engineering & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK
| | - Asmaa M. AboulMagd
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Nahda University, Beni-Suef 62521, Egypt
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14
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Goswami B, Sarkar S, Sengupta S, Bhattacharjee B. Assessment of serum nitric oxide level and its correlation with anthropometric parameters and lipid profile in diabetic patients: A hospital-based study from Tripura. J Family Med Prim Care 2022; 11:5161-5165. [PMID: 36505578 PMCID: PMC9731029 DOI: 10.4103/jfmpc.jfmpc_2395_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/25/2022] [Accepted: 01/31/2022] [Indexed: 11/06/2022] Open
Abstract
Background Endothelial dysfunction is a well-known finding in hyper-cholesterolaemic patients. Multiple factors including increased inactivation of nitric oxide by radicals and inhibition of nitric oxide formation by different mechanisms contribute to this. Objectives (i) To estimate serum nitric oxide (NO) levels among diabetic and non-diabetic subjects attending a tertiary care hospital of Tripura and (ii) to determine the correlation of serum nitric oxide with different anthropometric parameters and lipid profile among the study subjects. Methods This cross-sectional study was conducted during June 2019 to May 2020 among 227 subjects. Anthropometric measurements like weight, body mass index (BMI), body fat percentage, visceral fat percentage were measured by using OMRON Body Composition Monitor (HBF 701). Serum NO levels were measured using standard NO colorimetric assay kit and HbA1C and lipid profile were analyzed by using a Biochemical Autoanalyser. Statistical analysis was performed by using SPSS software version 25. Result One hundred fifteen (115) diabetics were considered as test group whereas One hundred twelve (112) non-diabetic subjects were included as control. The mean serum level of NO in the diabetic group was 86.91 ± 14.13 mmoles/L whereas in the non-diabetic group it was 33.23 ± 12.90 mmoles/L which is statistically significant. Significant correlation is also found between serum NO level and different anthropometric parameters, namely, age, BMI and visceral fat percentage. Conclusion In this study, positive correlation is found between serum NO, BMI, and body visceral fat. As NO is considered as a potential biomarker for diabetic patients developing hypertension, BMI, and body visceral fat may be considered as a good prognostic parameter in future development of diabetic complications. While dealing with diabetic patients the family physicians should be aware of these two parameters and besides treating them, physicians should convince the diabetic patients to maintain ideal BMI and body visceral fat by following proper life style.
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Affiliation(s)
- Bidhan Goswami
- Department of Microbiology, Agartala Government Medical College, Agartala, Tripura, India,Address for correspondence: Dr. Bidhan Goswami, Department of Microbiology, Agartala Government Medical College, Agartala, P. O. Kunjavan, 799 006, Tripura, India. E-mail:
| | - Swapan Sarkar
- Department of Medicine, Agartala Government Medical College & GBP Hospital, Agartala, Tripura, India
| | - Shauli Sengupta
- Multidisciplinary Research Unit, Agartala Government Medical College, Agartala, Tripura, India
| | - Bhaskar Bhattacharjee
- Multidisciplinary Research Unit, Agartala Government Medical College, Agartala, Tripura, India
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15
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Sowa PW, Winzer EB, Hommel J, Männel A, van Craenenbroeck EM, Wisløff U, Pieske B, Halle M, Linke A, Adams V. Impact of different training modalities on high-density lipoprotein function in HFpEF patients: a substudy of the OptimEx trial. ESC Heart Fail 2022; 9:3019-3030. [PMID: 35747946 DOI: 10.1002/ehf2.14032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 05/18/2022] [Accepted: 06/09/2022] [Indexed: 11/12/2022] Open
Abstract
AIMS In heart failure with preserved ejection fraction (HFpEF), the reduction of nitric oxide (NO)-bioavailability and consequently endothelial dysfunction leads to LV stiffness and diastolic dysfunction of the heart. Besides shear stress, high-density lipoprotein (HDL) stimulates endothelial cells to increased production of NO via phosphorylation of endothelial nitric oxide synthase (eNOS). For patients with heart failure with reduced ejection fraction, earlier studies demonstrated a positive impact of exercise training (ET) on HDL-mediated eNOS activation. The study aims to investigate the influence of ET on HDL-mediated phosphorylation of eNOS in HFpEF patients. METHODS AND RESULTS The present study is a substudy of the OptimEx-Clin trial. The patients were randomized to three groups: (i) HIIT (high-intensity interval training; (ii) MCT (moderate-intensity continuous training); and (iii) CG (control group). Supervised training at study centres was offered for the first 3 months. From months 4-12, training sessions were continued at home with the same exercise protocol as performed during the in-hospital phase. Blood was collected at baseline, after 3, and 12 months, and HDL was isolated by ultracentrifugation. Human aortic endothelial cells were incubated with isolated HDL, and HDL-induced eNOS phosphorylation at Ser1177 and Thr495 was assessed. Subsequently, the antioxidative function of HDL was evaluated by measuring the activity of HDL-associated paraoxonase-1 (Pon1) and the concentration of thiobarbituric acid-reactive substances (TBARS). After 3 months of supervised ET, HIIT resulted in increased HDL-mediated eNOS-Ser1177 phosphorylation. This effect diminished after 12 months of ET. No effect of HIIT was observed on HDL-mediated eNOS-Thr495 phosphorylation. MCT had no effect on HDL-mediated eNOS phosphorylation at Ser1177 and Thr495 . HIIT also increased Pon1 activity after 12 months of ET and reduced the concentration of TBARS in the serum after 3 and 12 months of ET. A negative correlation was observed between TBARS concentration and HDL-associated Pon1 activity in the HIIT group (r = -0.61, P < 0.05), and a trend was evident for the correlation between the change in HDL-mediated eNOS-Ser1177 phosphorylation and the change in peak V̇O2 after 3 months in the HIIT group (r = 0.635, P = 0.07). CONCLUSIONS The present study documented that HIIT but not MCT exerts beneficial effects on HDL-mediated eNOS phosphorylation and HDL-associated Pon1 activity in HFpEF patients. These beneficial effects of HIIT were reduced as soon as the patients switched to home-based ET.
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Affiliation(s)
- Pamela W Sowa
- Laboratory of Molecular and Experimental Cardiology, Technische Universität Dresden, Heart Center Dresden, Dresden, Germany
| | - Ephraim B Winzer
- Laboratory of Molecular and Experimental Cardiology, Technische Universität Dresden, Heart Center Dresden, Dresden, Germany
| | - Jennifer Hommel
- Laboratory of Molecular and Experimental Cardiology, Technische Universität Dresden, Heart Center Dresden, Dresden, Germany
| | - Anita Männel
- Laboratory of Molecular and Experimental Cardiology, Technische Universität Dresden, Heart Center Dresden, Dresden, Germany
| | - Emeline M van Craenenbroeck
- Research Group Cardiovascular Diseases, GENCOR, University of Antwerp, Antwerp, Belgium.,Department of Cardiology, Antwerp University Hospital, Antwerp, Belgium
| | - Ulrik Wisløff
- The Cardiac Exercise Research Group at Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Burkert Pieske
- Department Internal Medicine and Cardiology, Campus Virchow Klinikum, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Martin Halle
- Department of Prevention and Sports Medicine, University Hospital Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.,DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Axel Linke
- Laboratory of Molecular and Experimental Cardiology, Technische Universität Dresden, Heart Center Dresden, Dresden, Germany
| | - Volker Adams
- Laboratory of Molecular and Experimental Cardiology, Technische Universität Dresden, Heart Center Dresden, Dresden, Germany.,Dresden Cardiovascular Research Institute and Core Laboratories GmbH, Dresden, Germany
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16
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Потеряева ОН, Усынин ИФ. [Dysfunctional high-density lipoproteins in diabetes mellitus]. PROBLEMY ENDOKRINOLOGII 2022; 68:69-77. [PMID: 36104968 PMCID: PMC9762443 DOI: 10.14341/probl13118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 01/09/2023]
Abstract
The risk of cardiovascular disease (CVD) in persons with type 2 diabetes mellitus (DM2) increases two to four times. One of the main factors increasing cardiovascular risk is dyslipidemia, which includes abnormalities in all lipoproteins, including high-density lipoproteins (HDL). The development of DM2 is accompanied not only by a decrease in the level of HDL, but also by significant changes in their structure. This leads to the transformation of native HDL into so-called dysfunctional or diabetic HDL, which loses their antiatherogenic, cardioprotective, anti-inflammatory and anti-diabetic properties. In poorly controlled diabetes mellitus HDL can not only lose its beneficial functions, but also acquire proatherogenic, proinflammatory ones. Diabetic HDL can contribute to the accumulation of such unfavorable qualities as increased proliferation, migration, and invasion of cancer cells. Given that HDL, in addition to participation in cholesterol transport, performs important regulatory functions in the body, there is reason to assume that structural modifications of HDL (oxidation, glycation, triglyceride enrichment, loss of HDL-associated enzymes, etc.) are one of the causes of vascular complications of diabetes.
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Affiliation(s)
- О. Н. Потеряева
- Научно-исследовательский институт биохимии Федерального исследовательского центра фундаментальной и трансляционной медицины
| | - И. Ф. Усынин
- Научно-исследовательский институт биохимии Федерального исследовательского центра фундаментальной и трансляционной медицины
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17
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Duan M, Gao P, Chen SX, Novák P, Yin K, Zhu X. Sphingosine-1-phosphate in mitochondrial function and metabolic diseases. Obes Rev 2022; 23:e13426. [PMID: 35122459 DOI: 10.1111/obr.13426] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 01/02/2022] [Accepted: 01/02/2022] [Indexed: 01/23/2023]
Abstract
Sphingosine-1-phosphate (S1P) is a bioactive sphingolipid metabolite. The past decade has witnessed exponential growth in the field of S1P research, partly attributed to drugs targeting its receptors or kinases. Accumulating evidence indicates that changes in the S1P axis (i.e., S1P production, transport, and receptors) may modify metabolism and eventually mediate metabolic diseases. Dysfunction of the mitochondria on a master monitor of cellular metabolism is considered the leading cause of metabolic diseases, with aberrations typically induced by abnormal biogenesis, respiratory chain complex disorders, reactive oxygen species overproduction, calcium deposition, and mitophagy impairment. Accordingly, we discuss decades of investigation into changes in the S1P axis and how it controls mitochondrial function. Furthermore, we summarize recent scientific advances in disorders associated with the S1P axis and their involvement in the pathogenesis of metabolic diseases in humans, including type 2 diabetes mellitus and cardiovascular disease, from the perspective of mitochondrial function. Finally, we review potential challenges and prospects for S1P axis application to the regulation of mitochondrial function and metabolic diseases; these data may provide theoretical guidance for the treatment of metabolic diseases.
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Affiliation(s)
- Meng Duan
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, China
| | - Pan Gao
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, China
| | - Sheng-Xi Chen
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, China
| | - Petr Novák
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, China
| | - Kai Yin
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, China.,Department of Cardiology, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Xiao Zhu
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, China
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18
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Linton MF, Yancey PG, Leuthner ZM, Brown JD. The FoxOs are in the ApoM house. J Clin Invest 2022; 132:158471. [PMID: 35362476 PMCID: PMC8970665 DOI: 10.1172/jci158471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The prevalence of metabolic syndrome continues to increase globally and heightens the risk for cardiovascular disease (CVD). Insulin resistance is a core pathophysiologic mechanism that causes abnormal carbohydrate metabolism and atherogenic changes in circulating lipoprotein quantity and function. In particular, dysfunctional HDL is postulated to contribute to CVD risk in part via loss of HDL-associated sphingosine-1-phosphate (S1P). In this issue of the JCI, Izquierdo et al. demonstrate that HDL from humans with insulin resistance contained lower levels of S1P. Apolipoprotein M (ApoM), a protein constituent of HDL that binds S1P and controls bioavailability was decreased in insulin-resistant db/db mice. Gain- and loss-of-function mouse models implicated the forkhead box O transcription factors (FoxO1,3,4) in the regulation of both ApoM and HDL-associated S1P. These data have important implications for potential FoxO-based therapies designed to treat lipid and carbohydrate abnormalities associated with human metabolic disease and CVD.
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Affiliation(s)
- MacRae F Linton
- Department of Medicine, Atherosclerosis Research Unit, Division of Cardiovascular Medicine and.,Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Patricia G Yancey
- Department of Medicine, Atherosclerosis Research Unit, Division of Cardiovascular Medicine and
| | - Zoe M Leuthner
- Department of Medicine, Atherosclerosis Research Unit, Division of Cardiovascular Medicine and
| | - Jonathan D Brown
- Department of Medicine, Atherosclerosis Research Unit, Division of Cardiovascular Medicine and
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19
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Diab A, Valenzuela Ripoll C, Guo Z, Javaheri A. HDL Composition, Heart Failure, and Its Comorbidities. Front Cardiovasc Med 2022; 9:846990. [PMID: 35350538 PMCID: PMC8958020 DOI: 10.3389/fcvm.2022.846990] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 02/09/2022] [Indexed: 12/24/2022] Open
Abstract
Although research on high-density lipoprotein (HDL) has historically focused on atherosclerotic coronary disease, there exists untapped potential of HDL biology for the treatment of heart failure. Anti-oxidant, anti-inflammatory, and endothelial protective properties of HDL could impact heart failure pathogenesis. HDL-associated proteins such as apolipoprotein A-I and M may have significant therapeutic effects on the myocardium, in part by modulating signal transduction pathways and sphingosine-1-phosphate biology. Furthermore, because heart failure is a complex syndrome characterized by multiple comorbidities, there are complex interactions between heart failure, its comorbidities, and lipoprotein homeostatic mechanisms. In this review, we will discuss the effects of heart failure and associated comorbidities on HDL, explore potential cardioprotective properties of HDL, and review novel HDL therapeutic targets in heart failure.
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20
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Izquierdo MC, Shanmugarajah N, Lee SX, Kraakman MJ, Westerterp M, Kitamoto T, Harris M, Cook JR, Gusarova GA, Zhong K, Marbuary E, O-Sullivan I, Rasmus NF, Camastra S, Unterman TG, Ferrannini E, Hurwitz BE, Haeusler RA. Hepatic FoxOs link insulin signaling with plasma lipoprotein metabolism through an apolipoprotein M/sphingosine-1-phosphate pathway. J Clin Invest 2022; 132:146219. [PMID: 35104242 PMCID: PMC8970673 DOI: 10.1172/jci146219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 01/28/2022] [Indexed: 11/17/2022] Open
Abstract
Multiple beneficial cardiovascular effects of HDL depend on sphingosine-1-phosphate (S1P). S1P associates with HDL by binding to apolipoprotein M (ApoM). Insulin resistance is a major driver of dyslipidemia and cardiovascular risk. However, the mechanisms linking alterations in insulin signaling with plasma lipoprotein metabolism are incompletely understood. The insulin-repressible FoxO transcription factors mediate key effects of hepatic insulin action on glucose and lipoprotein metabolism. This work tested whether hepatic insulin signaling regulates HDL-S1P and aimed to identify the underlying molecular mechanisms. We report that insulin-resistant, nondiabetic individuals had decreased HDL-S1P levels, but no change in total plasma S1P. This also occurred in insulin-resistant db/db mice, which had low ApoM and a specific reduction of S1P in the HDL fraction, with no change in total plasma S1P levels. Using mice lacking hepatic FoxOs (L-FoxO1,3,4), we found that hepatic FoxOs were required for ApoM expression. Total plasma S1P levels were similar to those in controls, but S1P was nearly absent from HDL and was instead increased in the lipoprotein-depleted plasma fraction. This phenotype was restored to normal by rescuing ApoM in L-FoxO1,3,4 mice. Our findings show that insulin resistance in humans and mice is associated with decreased HDL-associated S1P. Our study shows that hepatic FoxO transcription factors are regulators of the ApoM/S1P pathway.
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Affiliation(s)
- María Concepción Izquierdo
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Niroshan Shanmugarajah
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Samuel X Lee
- Naomi Berrie Diabetes Center, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Michael J Kraakman
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Marit Westerterp
- Department of Pediatrics, University of Groningen, Groningen, Netherlands
| | - Takumi Kitamoto
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Michael Harris
- Naomi Berrie Diabetes Center, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Joshua R Cook
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Galina A Gusarova
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Kendra Zhong
- Naomi Berrie Diabetes Center, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Elijah Marbuary
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - InSug O-Sullivan
- Department of Medicine, University of Illinois at Chicago College of Medicine, Chicago, United States of America
| | - Nikolaus F Rasmus
- Naomi Berrie Diabetes Center, Columbia University College of Physicians and Surgeons, New York, United States of America
| | - Stefania Camastra
- Department of Clinical and Experimental Medicine, University of Pisa School of Medicine, Pisa, Italy
| | - Terry G Unterman
- Department of Medicine, University of Illinois at Chicago College of Medicine, Chicago, United States of America
| | - Ele Ferrannini
- Department of Internal Medicine, CNR Institute of Clinical Physiology, Pisa, Italy
| | - Barry E Hurwitz
- Department of Psychology, University of Miami, Miami, United States of America
| | - Rebecca A Haeusler
- Naomi Berrie Diabetes Center, Columbia University College of Physicians and Surgeons, New York, United States of America
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21
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Evaristi MF, Poirier B, Chénedé X, Lefebvre AM, Roccon A, Gillot F, Beeské S, Corbier A, Pruniaux-Harnist MP, Janiak P, Parkar AA. A G-protein-biased S1P1 agonist, SAR247799, improved LVH and diastolic function in a rat model of metabolic syndrome. PLoS One 2022; 17:e0257929. [PMID: 35030174 PMCID: PMC8759645 DOI: 10.1371/journal.pone.0257929] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 12/20/2021] [Indexed: 11/19/2022] Open
Abstract
AIM Heart failure with preserved ejection fraction (HFpEF) is a major cause of death worldwide with no approved treatment. Left ventricular hypertrophy (LVH) and diastolic dysfunction represent the structural and functional components of HFpEF, respectively. Endothelial dysfunction is prevalent in HFpEF and predicts cardiovascular events. We investigated if SAR247799, a G-protein-biased sphingosine-1-phosphate receptor 1 (S1P1) agonist with endothelial-protective properties, could improve cardiac and renal functions in a rat model of metabolic syndrome LVH and diastolic function. METHODS 31- and 65-week-old obese ZSF1 (Ob-ZSF1) rats, representing adult and aged animals with LVH and diastolic dysfunction, were randomized to a chow diet containing 0.025% (w/w) of SAR247799, or control (CTRL) chow for 4 weeks. Age-matched lean ZSF1 (Le-ZSF1) rats were fed control chow. Echocardiography, telemetry, biochemical and histological analysis were performed to evaluate the effect of SAR247799. RESULTS Echocardiography revealed that Ob-ZSF1 rats, in contrast to Le-ZSF1 rats, developed progressive diastolic dysfunction and cardiac hypertrophy with age. SAR247799 blunted the progression of diastolic dysfunction in adult and aged animals: in adult animals E/e' was evaluated at 21.8 ± 1.4 for Ob-ZSF1-CTRL, 19.5 ± 1.2 for Ob-ZSF1-SAR247799 p<0.01, and 19.5 ± 2.3 for Le-ZSF1-CTRL (median ± IQR). In aged animals E/e' was evaluated at 23.15 ± 4.45 for Ob-ZSF1-CTRL, 19.5 ± 5 for Ob-ZSF1-SAR247799 p<0.01, and 16.69 ± 1.7 for Le-ZSF1-CTRL, p<0.01 (median ± IQR). In aged animals, SAR247799 reduced cardiac hypertrophy (g/mm mean ± SEM of heart weight/tibia length 0.053 ± 0.001 for Ob-ZSF1-CTRL vs 0.046 ± 0.002 for Ob-ZSF1-SAR247799 p<0.01, Le-ZSF1-CTRL 0.035 ± 0.001) and myocardial perivascular collagen content (p<0.001), independently of any changes in microvascular density. In adult animals, SAR247799 improved endothelial function as assessed by the very low frequency bands of systolic blood pressure variability (mean ± SEM 67.8 ± 3.41 for Ob-ZSF1-CTRL 55.8 ± 4.27 or Ob-ZSF1-SAR247799, p<0.05 and 57.3 ± 1.82 Le-ZSF1-CTRL), independently of any modification of arterial blood pressure. In aged animals, SAR247799 reduced urinary protein/creatinine ratio, an index of glomerular injury, (10.3 ± 0.621 vs 8.17 ± 0.231 for Ob-ZSF1-CTRL vs Ob-ZSF1-SAR247799, respectively, p<0.05 and 0.294 ± 0.029 for Le-ZSF1-CTRL, mean ± SEM) and the fractional excretion of electrolytes. Circulating lymphocytes were not decreased by SAR247799, confirming lack of S1P1 desensitization. CONCLUSIONS These experimental findings suggest that S1P1 activation with SAR247799 may be considered as a new therapeutic approach for LVH and diastolic dysfunction, major components of HFpEF.
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Affiliation(s)
| | - Bruno Poirier
- Diabetes and Cardiovascular Research, Sanofi R&D, Chilly-Mazarin, France
| | - Xavier Chénedé
- Diabetes and Cardiovascular Research, Sanofi R&D, Chilly-Mazarin, France
| | - Anne-Marie Lefebvre
- Molecular Histology and Bioimaging Translational Sciences, Sanofi R&D, Chilly-Mazarin, France
| | - Alain Roccon
- Biomarkers and Clinical Bioanalyses, Translational Medicine and Early Development, Sanofi R&D, Montpellier, France
| | - Florence Gillot
- Diabetes and Cardiovascular Research, Sanofi R&D, Chilly-Mazarin, France
| | - Sandra Beeské
- Diabetes and Cardiovascular Research, Sanofi R&D, Chilly-Mazarin, France
| | - Alain Corbier
- Diabetes and Cardiovascular Research, Sanofi R&D, Chilly-Mazarin, France
| | | | - Philip Janiak
- Diabetes and Cardiovascular Research, Sanofi R&D, Chilly-Mazarin, France
| | - Ashfaq A. Parkar
- Diabetes and Cardiovascular Research, Sanofi US Services, Bridgewater, NJ, United States of America
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22
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Hammad SM, Hunt KJ, Baker NL, Klein RL, Lopes-Virella MF. Diabetes and kidney dysfunction markedly alter the content of sphingolipids carried by circulating lipoproteins. J Clin Lipidol 2022; 16:173-183. [DOI: 10.1016/j.jacl.2021.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/18/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
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Holzwirth E, Fischer-Schaepmann T, Obradovic D, von Lucadou M, Schwedhelm E, Daum G, Hindricks G, Marsche G, Trieb M, Thiele H, Kornej J, Büttner P. Anti-inflammatory HDL effects are impaired in atrial fibrillation. Heart Vessels 2021; 37:161-171. [PMID: 34459957 PMCID: PMC8732851 DOI: 10.1007/s00380-021-01908-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/09/2021] [Indexed: 02/02/2023]
Abstract
High-density lipoprotein (HDL), best known for cholesterol transport, also has anti-inflammatory effects. Previous studies suggest involvement of myeloperoxidase (MPO) in modification of HDL. HDL bound Sphingosine-1-phosphate (S1P) has been implied to be an essential protein regarding beneficial HDL effects. In this study, we analyzed anti-inflammatory HDL properties in patients with atrial fibrillation (AF), a disease involving atrial inflammation, compared to non-AF controls and whether anti-inflammatory properties improve upon catheter ablation. Additionally, association with serum concentrations of MPO and S1P were assessed. We isolated HDL from 25 AF patients, 13 non-AF individuals and 14 AF patients at follow-up (FU) after catheter ablation. S1P was measured in a cohort of 141 AF and 21 FU patients. Following preincubation with HDL from either group, bovine aortic endothelial cells were stimulated using tumor necrosis factor α and expression of pro-inflammatory genes intercellular adhesion molecule 1 (ICAM1), vascular cell adhesion molecule 1 (VCAM1), E-selectin (SELE) and P-selectin (SELP) was assessed using qPCR. Concentrations of circulating protein of these genes as well as MPO and S1P were measured in serum samples. Compared to non-AF individuals HDL from AF patients suppressed gene expression of the pro-inflammatory adhesion molecules ICAM1, VCAM1, SELE and SELP 27%, 18%, 21% and 57% less, respectively (p < 0.05 for all except SELE p = 0.06). In FU patients, the anti-inflammatory HDL activity was improved (suppression of ICAM1 + 22%, VCAM1 + 10%, SELE + 38% and SELP + 75%, p < 0.05 for all except VCAM1 p = 0.08). AF patients using angiotensin converting enzyme inhibitors or angiotensin receptor blockers had better anti-inflammatory HDL properties than non-users (gene expression suppression at least 28% more, p < 0.05 for all except ICAM1 p = 0.051). Circulating protein concentrations were not correlated with in vitro gene-expression, but circulating P-selectin was generally elevated in AF and FU patients compared to non-AF patients. MPO plasma concentration was positively associated with gene-expression of ICAM1, VCAM1 and SELP (r2 > 0.4, p < 0.05). Serum concentrations of S1P were increased in FU patients {1.201 µM [1.077–1.543]} compared to AF patients {0.953 µM [0.807–1.135], p < 0.01} but not correlated with ICAM1, VCAM1 and SELP gene expression. We conclude that the anti-inflammatory activity of HDL is impaired in AF patients, which might promote AF progression and AF-associated complications.
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Affiliation(s)
- Erik Holzwirth
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, 04289, Leipzig, Germany
| | - Tina Fischer-Schaepmann
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, 04289, Leipzig, Germany
| | - Danilo Obradovic
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, 04289, Leipzig, Germany
| | - Mirjam von Lucadou
- Institute of Clinical Pharmacology and Toxicology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Edzard Schwedhelm
- Institute of Clinical Pharmacology and Toxicology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Günter Daum
- DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany.,Department of Vascular Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Gerhard Hindricks
- Department of Electrophysiology, Heart Center Leipzig at University Leipzig, Leipzig, Germany
| | - Gunther Marsche
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Markus Trieb
- Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Holger Thiele
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, 04289, Leipzig, Germany
| | - Jelena Kornej
- School of Medicine-Cardiovascular Medicine, Boston University, Boston, MA, USA
| | - Petra Büttner
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, 04289, Leipzig, Germany.
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24
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Barochia AV, Kaler M, Weir N, Gordon EM, Figueroa DM, Yao X, WoldeHanna ML, Sampson M, Remaley AT, Grant G, Barnett SD, Nathan SD, Levine SJ. Serum levels of small HDL particles are negatively correlated with death or lung transplantation in an observational study of idiopathic pulmonary fibrosis. Eur Respir J 2021; 58:13993003.04053-2020. [PMID: 34289973 DOI: 10.1183/13993003.04053-2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 04/13/2021] [Indexed: 11/05/2022]
Abstract
BACKGROUND Serum lipoproteins, such as high density lipoproteins (HDL), may influence disease severity in idiopathic pulmonary fibrosis (IPF). Here, we investigated associations between serum lipids and lipoproteins and clinical endpoints in IPF. METHODS Clinical data and serum lipids were analyzed from a discovery cohort (59 IPF subjects, 56 healthy volunteers) and validated using an independent, multicenter cohort (207 IPF subjects) from the Pulmonary Fibrosis Foundation registry. Associations between lipids and clinical endpoints (FVC, forced vital capacity; 6MWD, 6 min walk distance; GAP (Gender Age Physiology) index; death or lung transplantation) were examined using Pearson's correlation and multivariable analyses. RESULTS Serum concentrations of small HDL particles (S-HDLPNMR), measured by nuclear magnetic resonance (NMR) spectroscopy, correlated negatively with the GAP index in the discovery cohort of IPF subjects. The negative correlation of S-HDLPNMR with GAP index was confirmed in the validation cohort of IPF subjects. Higher levels of S-HDLPNMR were associated with lower odds of death or its competing outcome, lung transplantation (OR of 0.9 for each 1 μmol·L-1 increase in S-HDLPNMR, p<0.05), at 1, 2, and 3 years from study entry in a combined cohort of all IPF subjects. CONCLUSIONS Higher serum levels of S-HDLPNMR are negatively correlated with the GAP index, as well as with lower observed mortality or lung transplantation in IPF subjects. These findings support the hypothesis that S-HDLPNMR may modify mortality risk in patients with IPF.
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Affiliation(s)
- Amisha V Barochia
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA
| | - Maryann Kaler
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA
| | - Nargues Weir
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA.,Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Elizabeth M Gordon
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA
| | - Debbie M Figueroa
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA
| | - Xianglan Yao
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA
| | - Merte Lemma WoldeHanna
- Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, VA, USA
| | | | - Alan T Remaley
- Translational Vascular Medicine Branch, NHLBI, NIH, Bethesda, MD, USA
| | | | - Scott D Barnett
- Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Steven D Nathan
- Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Stewart J Levine
- Laboratory of Asthma and Lung Inflammation, Pulmonary Branch, NHLBI, NIH, Bethesda, MD, USA
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25
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Del Gaudio I, Rubinelli L, Sasset L, Wadsack C, Hla T, Di Lorenzo A. Endothelial Spns2 and ApoM Regulation of Vascular Tone and Hypertension Via Sphingosine-1-Phosphate. J Am Heart Assoc 2021; 10:e021261. [PMID: 34240614 PMCID: PMC8483458 DOI: 10.1161/jaha.121.021261] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Background Most of the circulating sphingosine-1-phosphate (S1P) is bound to ApoM (apolipoprotein M) of high-density lipoprotein (HDL) and mediates many beneficial effects of HDL on the vasculature via G protein-coupled S1P receptors. HDL-bound S1P is decreased in atherosclerosis, myocardial infarction, and diabetes mellitus. In addition to being the target, the endothelium is a source of S1P, which is transported outside of the cells by Spinster-2, contributing to circulating S1P as well as to local signaling. Mice lacking endothelial S1P receptor 1 are hypertensive, suggesting a vasculoprotective role of S1P signaling. This study investigates the role of endothelial-derived S1P and ApoM-bound S1P in regulating vascular tone and blood pressure. Methods and Results ApoM knockout (ApoM KO) mice and mice lacking endothelial Spinster-2 (ECKO-Spns2) were infused with angiotensin II for 28 days. Blood pressure, measured by telemetry and tail-cuff, was significantly increased in both ECKO-Spns2 and ApoM KO versus control mice, at baseline and following angiotensin II. Notably, ECKO-Spns2 presented an impaired vasodilation to flow and blood pressure dipping, which is clinically associated with increased risk for cardiovascular events. In hypertension, both groups presented reduced flow-mediated vasodilation and some degree of impairment in endothelial NO production, which was more evident in ECKO-Spns2. Increased hypertension in ECKO-Spns2 and ApoM KO mice correlated with worsened cardiac hypertrophy versus controls. Conclusions Our study identifies an important role for Spinster-2 and ApoM-HDL in blood pressure homeostasis via S1P-NO signaling and dissects the pathophysiological impact of endothelial-derived S1P and ApoM of HDL-bound S1P in hypertension and cardiac hypertrophy.
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Affiliation(s)
- Ilaria Del Gaudio
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY.,Department of Obstetrics and Gynecology Medical University of Graz Austria
| | - Luisa Rubinelli
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY
| | - Linda Sasset
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY
| | - Christian Wadsack
- Department of Obstetrics and Gynecology Medical University of Graz Austria
| | - Timothy Hla
- Vascular Biology Program Boston Children's Hospital and Department of Surgery Harvard Medical School Boston MA
| | - Annarita Di Lorenzo
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY
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26
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Green CD, Maceyka M, Cowart LA, Spiegel S. Sphingolipids in metabolic disease: The good, the bad, and the unknown. Cell Metab 2021; 33:1293-1306. [PMID: 34233172 PMCID: PMC8269961 DOI: 10.1016/j.cmet.2021.06.006] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/05/2021] [Accepted: 06/11/2021] [Indexed: 01/10/2023]
Abstract
The bioactive sphingolipid metabolites ceramide and sphingosine-1-phosphate (S1P) are a recent addition to the lipids accumulated in obesity and have emerged as important molecular players in metabolic diseases. Here we summarize evidence that dysregulation of sphingolipid metabolism correlates with pathogenesis of metabolic diseases in humans. This review discusses the current understanding of how ceramide regulates signaling and metabolic pathways to exacerbate metabolic diseases and the Janus faces for its further metabolite S1P, the kinases that produce it, and the multifaceted and at times opposing actions of S1P receptors in various tissues. Gaps and limitations in current knowledge are highlighted together with the need to further decipher the full array of their actions in tissue dysfunction underlying metabolic pathologies, pointing out prospects to move this young field of research toward the development of effective therapeutics.
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Affiliation(s)
- Christopher D Green
- Department of Biochemistry and Molecular Biology, VCU School of Medicine and Massey Cancer Center, Richmond, VA 23298, USA
| | - Michael Maceyka
- Department of Biochemistry and Molecular Biology, VCU School of Medicine and Massey Cancer Center, Richmond, VA 23298, USA
| | - L Ashley Cowart
- Department of Biochemistry and Molecular Biology, VCU School of Medicine and Massey Cancer Center, Richmond, VA 23298, USA; Hunter Holmes McGuire VA Medical Center, Richmond, VA 23298, USA
| | - Sarah Spiegel
- Department of Biochemistry and Molecular Biology, VCU School of Medicine and Massey Cancer Center, Richmond, VA 23298, USA.
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27
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Bonilha I, Zimetti F, Zanotti I, Papotti B, Sposito AC. Dysfunctional High-Density Lipoproteins in Type 2 Diabetes Mellitus: Molecular Mechanisms and Therapeutic Implications. J Clin Med 2021; 10:2233. [PMID: 34063950 PMCID: PMC8196572 DOI: 10.3390/jcm10112233] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/29/2022] Open
Abstract
High density lipoproteins (HDLs) are commonly known for their anti-atherogenic properties that include functions such as the promotion of cholesterol efflux and reverse cholesterol transport, as well as antioxidant and anti-inflammatory activities. However, because of some chronic inflammatory diseases, such as type 2 diabetes mellitus (T2DM), significant changes occur in HDLs in terms of both structure and composition. These alterations lead to the loss of HDLs' physiological functions, to transformation into dysfunctional lipoproteins, and to increased risk of cardiovascular disease (CVD). In this review, we describe the main HDL structural/functional alterations observed in T2DM and the molecular mechanisms involved in these T2DM-derived modifications. Finally, the main available therapeutic interventions targeting HDL in diabetes are discussed.
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Affiliation(s)
- Isabella Bonilha
- Atherosclerosis and Vascular Biology Laboratory (AtheroLab), Cardiology Department, State University of Campinas (Unicamp), Campinas 13084-971, Brazil;
| | - Francesca Zimetti
- Department of Food and Drug, University of Parma, 43124 Parma, Italy; (I.Z.); (B.P.)
| | - Ilaria Zanotti
- Department of Food and Drug, University of Parma, 43124 Parma, Italy; (I.Z.); (B.P.)
| | - Bianca Papotti
- Department of Food and Drug, University of Parma, 43124 Parma, Italy; (I.Z.); (B.P.)
| | - Andrei C. Sposito
- Atherosclerosis and Vascular Biology Laboratory (AtheroLab), Cardiology Department, State University of Campinas (Unicamp), Campinas 13084-971, Brazil;
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28
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Cochran BJ, Ong KL, Manandhar B, Rye KA. High Density Lipoproteins and Diabetes. Cells 2021; 10:cells10040850. [PMID: 33918571 PMCID: PMC8069617 DOI: 10.3390/cells10040850] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 04/01/2021] [Accepted: 04/01/2021] [Indexed: 12/11/2022] Open
Abstract
Epidemiological studies have established that a high plasma high density lipoprotein cholesterol (HDL-C) level is associated with reduced cardiovascular risk. However, recent randomised clinical trials of interventions that increase HDL-C levels have failed to establish a causal basis for this relationship. This has led to a shift in HDL research efforts towards developing strategies that improve the cardioprotective functions of HDLs, rather than simply increasing HDL-C levels. These efforts are also leading to the discovery of novel HDL functions that are unrelated to cardiovascular disease. One of the most recently identified functions of HDLs is their potent antidiabetic properties. The antidiabetic functions of HDLs, and recent key advances in this area are the subject of this review. Given that all forms of diabetes are increasing at an alarming rate globally, there is a clear unmet need to identify and develop new approaches that will complement existing therapies and reduce disease progression as well as reverse established disease. Exploration of a potential role for HDLs and their constituent lipids and apolipoproteins in this area is clearly warranted. This review highlights focus areas that have yet to be investigated and potential strategies for exploiting the antidiabetic functions of HDLs.
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Affiliation(s)
| | | | | | - Kerry-Anne Rye
- Correspondence: ; Tel.: +61-2-9385-1219; Fax: +61-2-9385-1389
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29
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High-density lipoprotein's vascular protective functions in metabolic and cardiovascular disease - could extracellular vesicles be at play? Clin Sci (Lond) 2021; 134:2977-2986. [PMID: 33210708 DOI: 10.1042/cs20200892] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/19/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023]
Abstract
High-density lipoprotein (HDL) is a circulating complex of lipids and proteins known primarily for its role in reverse cholesterol transport and consequent protection from atheroma. In spite of this, therapies aimed at increasing HDL concentration do not reduce the risk of cardiovascular disease (CVD), and as such focus has shifted towards other HDL functions protective of vascular health - including vasodilatory, anti-inflammatory, antioxidant and anti-thrombotic actions. It has been demonstrated that in disease states such as CVD and conditions of insulin resistance such as Type 2 diabetes mellitus (T2DM), HDL function is impaired owing to changes in the abundance and function of HDL-associated lipids and proteins, resulting in reduced vascular protection. However, the gold standard density ultracentrifugation technique used in the isolation of HDL also co-isolates extracellular vesicles (EVs). EVs are ubiquitous cell-derived particles with lipid bilayers that carry a number of lipids, proteins and DNA/RNA/miRNAs involved in cell-to-cell communication. EVs transfer their bioactive load through interaction with cell surface receptors, membrane fusion and endocytic pathways, and have been implicated in both cardiovascular and metabolic diseases - both as protective and pathogenic mediators. Given that studies using density ultracentrifugation to isolate HDL also co-isolate EVs, biological effects attributed to HDL may be confounded by EVs. We hypothesise that some of HDL's vascular protective functions in cardiovascular and metabolic disease may be mediated by EVs. Elucidating the contribution of EVs to HDL functions will provide better understanding of vascular protection and function in conditions of insulin resistance and potentially provide novel therapeutic targets for such diseases.
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30
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Vaisar T, Gordon JL, Wimberger J, Heinecke JW, Hinderliter AL, Rubinow DR, Girdler SS, Rubinow KB. Perimenopausal transdermal estradiol replacement reduces serum HDL cholesterol efflux capacity but improves cardiovascular risk factors. J Clin Lipidol 2021; 15:151-161.e0. [PMID: 33288437 PMCID: PMC7887026 DOI: 10.1016/j.jacl.2020.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 11/09/2020] [Accepted: 11/17/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND The cardiovascular (CV) safety of estrogen replacement therapy (ERT) in perimenopausal women remains uncertain. Although exogenous estrogens increase HDL cholesterol (HDL-C), estrogen-mediated effects on alternative metrics of HDL that may better predict CV risk are unknown. OBJECTIVE To determine the effects of transdermal ERT on HDL composition and cholesterol efflux capacity (CEC), as well as the relationships between these metrics and CV risk factors. METHODS Fasting plasma samples were analyzed from 101 healthy, perimenopausal women randomized to receive either transdermal placebo or transdermal estradiol (100 μg/24 h) with intermittent micronized progesterone. At baseline and after 6 months of treatment, serum HDL CEC, HDL particle concentration, HDL protein composition, insulin resistance and brachial artery flow-mediated dilatation (FMD) were measured. RESULTS No difference between groups was found for change in plasma HDL-C (p = 0.69). Between-group differences were found for changes in serum HDL total CEC [median change from baseline -5.4 (-17.3,+8.4)% ERT group versus +5.8 (-6.3,+16.9)% placebo group, p = 0.01] and ABCA1-specific CEC [median change from baseline -5.3 (-10.7,+6.7)% ERT group versus +7.4 (-1.5,+18.1)% placebo group, p = 0.0002]. Relative to placebo, transdermal ERT led to reductions in LDL-C (p < 0.0001) and insulin resistance (p = 0.0002). An inverse correlation was found between changes in serum HDL total CEC and FMD (β = -0.26, p = 0.004). CONCLUSIONS Natural menopause leads to an increase in serum HDL CEC, an effect that is abrogated by transdermal ERT. However, transdermal ERT leads to favorable changes in major CV risk factors.
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Affiliation(s)
- Tomas Vaisar
- Diabetes Institute, Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, University of Washington School of Medicine, 750 Republican St, Seattle WA 98109, USA
| | - Jennifer L Gordon
- Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599, USA
| | - Jake Wimberger
- Diabetes Institute, Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, University of Washington School of Medicine, 750 Republican St, Seattle WA 98109, USA
| | - Jay W Heinecke
- Diabetes Institute, Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, University of Washington School of Medicine, 750 Republican St, Seattle WA 98109, USA
| | - Alan L Hinderliter
- Department of Medicine, University of North Carolina at Chapel Hill School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599, USA
| | - David R Rubinow
- Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599, USA
| | - Susan S Girdler
- Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599, USA
| | - Katya B Rubinow
- Diabetes Institute, Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, University of Washington School of Medicine, 750 Republican St, Seattle WA 98109, USA.
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31
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Endothelial Dysfunction in Diabetes Is Aggravated by Glycated Lipoproteins; Novel Molecular Therapies. Biomedicines 2020; 9:biomedicines9010018. [PMID: 33375461 PMCID: PMC7823542 DOI: 10.3390/biomedicines9010018] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 02/08/2023] Open
Abstract
Diabetes and its vascular complications affect an increasing number of people. This disease of epidemic proportion nowadays involves abnormalities of large and small blood vessels, all commencing with alterations of the endothelial cell (EC) functions. Cardiovascular diseases are a major cause of death and disability among diabetic patients. In diabetes, EC dysfunction (ECD) is induced by the pathological increase of glucose and by the appearance of advanced glycation end products (AGE) attached to the plasma proteins, including lipoproteins. AGE proteins interact with their specific receptors on EC plasma membrane promoting activation of signaling pathways, resulting in decreased nitric oxide bioavailability, increased intracellular oxidative and inflammatory stress, causing dysfunction and finally apoptosis of EC. Irreversibly glycated lipoproteins (AGE-Lp) were proven to have an important role in accelerating atherosclerosis in diabetes. The aim of the present review is to present up-to-date information connecting hyperglycemia, ECD and two classes of glycated Lp, glycated low-density lipoproteins and glycated high-density lipoproteins, which contribute to the aggravation of diabetes complications. We will highlight the role of dyslipidemia, oxidative and inflammatory stress and epigenetic risk factors, along with the specific mechanisms connecting them, as well as the new promising therapies to alleviate ECD in diabetes.
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32
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Abstract
Earlier epidemiological studies have shown an inverse correlation between high-density lipoprotein cholesterol (HDLc) and coronary heart disease (CHD). This observation along with the finding that reverse cholesterol transport is mediated by HDL, supported the hypothesis that the HDL molecule has a cardioprotective role. More recently, epidemiological data suggest a U-shaped curve correlating HDLc and CHD. In addition, randomized clinical trials of drugs that significantly increase plasma HDLc levels, such as nicotinic acid and cholesterol ester transfer protein (CETP) inhibitors failed to show a reduction in major adverse cardiovascular events. These observations challenge the hypothesis that HDL has a cardioprotective role. It is possible that HDL quality and function is optimal only when de novo synthesis of apo A-I occurs. Inhibition of turnover of HDL with currently available agents yields HDL molecules that are ineffective in reverse cholesterol transport. To test this hypothesis, newer therapeutic drugs that increase de novo production of HDL and apo A-I should be tested in clinical trials.
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Affiliation(s)
- Julien J Feghaly
- Department of Medicine, School of Medicine, Saint Louis University, Saint Louis, MO, USA
| | - Arshag D Mooradian
- Department of Medicine, University of Florida College of Medicine, 653-1 West 8th Street, 4th Floor-LRC, Jacksonville, FL, 32209, USA.
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33
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Makena W, Hambolu JO, Timbuak JA, Umana UE, Iliya AI, Dibal NI. Mormodica charantia L. fruit and Genistein ameliorates type 2 diabetes in rats by preventing lipid accumulation, insulin resistance and enhancing beta cell function. J Diabetes Metab Disord 2020; 19:1303-1310. [PMID: 33553029 PMCID: PMC7843820 DOI: 10.1007/s40200-020-00648-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/25/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE The present study was aimed at evaluating the role of Momordica charantia L. fruit and Genistein on beta cell, insulin resistance/sensitivity and lipid profile in type 2 diabetic rats. METHODS Thirty-five (35) albino rats were divided into seven (7) groups of 5 rats each comprising of five (5) non-diabetic and thirty (30) diabetic rats. Groups 1 and 2 served as the normal control and diabetic control groups respectively and received distill water, groups 3 and 4 received Mormodica charantia L. at 250 mg/kg and 500 mg/kg respectively. Groups 5 and 6 received Genistein at 10 mg/kg and 20 mg/kg respectively while group 7 received Metformin at 500 mg/kg the experiment lasted for four weeks. All the rats were euthanized at the end of the fourth week. RESULTS Lipid profile, glucose and insulin levels were determined from the analysis of serum parameters and the histology of the pancreas. A significant reduction (p < 0.05) in blood glucose levels was noticed in rats that received Momordica charantia L. (MC) and genistein when compared with diabetic control rats. A significant decrease (p < 0.05) in cholesterol, triglyceride, low density lipoprotein (LDL) and very low density lipoprotein (VLDL) levels were also noted in rats that received MC and Genistein when compared with the diabetic control rats. MC and Genistein significantly increased (P < 0.05) serum insulin level compared to the diabetic control rats. MC and Genistein significantly decreased (p < 0.05) homeostatic model assessment-insulin resistance (HOMA-IR) level compared with the diabetic control group. Pancreas of rats that received MC and Genistein showed regenerating beta-cells. CONCLUSION Momordica charantia L. fruit and Genistein were able to enhance beta cell function and prevent lipid accumulation and insulin resistance in type 2 diabetic rats.
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Affiliation(s)
- Wusa Makena
- Department of Human Anatomy, Ahmadu Bello University, Zaria, Kaduna State Nigeria
- Department of Human Anatomy, University of Maiduguri, Maiduguri, Borno State Nigeria
| | - Joseph O. Hambolu
- Department of Veterinary Anatomy, Ahmadu Bello University, Zaria, Kaduna State Nigeria
| | - James A. Timbuak
- Department of Human Anatomy, Yusuf Maitama Sule University, Kano, Kano State Nigeria
| | - Uduak E. Umana
- Department of Human Anatomy, Ahmadu Bello University, Zaria, Kaduna State Nigeria
| | - Abdullahi I. Iliya
- Department of Human Anatomy, Federal University Dutse, Dutse, Jigawa State Nigeria
| | - Nathan I. Dibal
- Department of Human Anatomy, University of Maiduguri, Maiduguri, Borno State Nigeria
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Bergougnan L, Andersen G, Plum-Mörschel L, Evaristi MF, Poirier B, Tardat A, Ermer M, Herbrand T, Arrubla J, Coester HV, Sansone R, Heiss C, Vitse O, Hurbin F, Boiron R, Benain X, Radzik D, Janiak P, Muslin AJ, Hovsepian L, Kirkesseli S, Deutsch P, Parkar AA. Endothelial-protective effects of a G-protein-biased sphingosine-1 phosphate receptor-1 agonist, SAR247799, in type-2 diabetes rats and a randomized placebo-controlled patient trial. Br J Clin Pharmacol 2020; 87:2303-2320. [PMID: 33125753 PMCID: PMC8247405 DOI: 10.1111/bcp.14632] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/20/2020] [Accepted: 10/24/2020] [Indexed: 12/12/2022] Open
Abstract
Aims SAR247799 is a G‐protein‐biased sphingosine‐1 phosphate receptor‐1 (S1P1) agonist designed to activate endothelial S1P1 and provide endothelial‐protective properties, while limiting S1P1 desensitization and consequent lymphocyte‐count reduction associated with higher doses. The aim was to show whether S1P1 activation can promote endothelial effects in patients and, if so, select SAR247799 doses for further clinical investigation. Methods Type‐2 diabetes patients, enriched for endothelial dysfunction (flow‐mediated dilation, FMD <7%; n = 54), were randomized, in 2 sequential cohorts, to 28‐day once‐daily treatment with SAR247799 (1 or 5 mg in ascending cohorts), placebo or 50 mg sildenafil (positive control) in a 5:2:2 ratio per cohort. Endothelial function was assessed by brachial artery FMD. Renal function, biomarkers and lymphocytes were measured following 5‐week SAR247799 treatment (3 doses) to Zucker diabetic fatty rats and the data used to select the doses for human testing. Results The maximum FMD change from baseline vs placebo for all treatments was reached on day 35; mean differences vs placebo were 0.60% (95% confidence interval [CI] −0.34 to 1.53%; P = .203) for 1 mg SAR247799, 1.07% (95% CI 0.13 to 2.01%; P = .026) for 5 mg SAR247799 and 0.88% (95% CI −0.15 to 1.91%; P = .093) for 50 mg sildenafil. Both doses of SAR247799 were well tolerated, did not affect blood pressure, and were associated with minimal‐to‐no lymphocyte reduction and small‐to‐moderate heart rate decrease. Conclusion These data provide the first human evidence suggesting endothelial‐protective properties of S1P1 activation, with SAR247799 being as effective as the clinical benchmark, sildenafil. Further clinical testing of SAR247799, at sub‐lymphocyte‐reducing doses (≤5 mg), is warranted in vascular diseases associated with endothelial dysfunction.
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Affiliation(s)
- Luc Bergougnan
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | | | | | | | - Bruno Poirier
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | - Agnes Tardat
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | | | | | | | | | - Roberto Sansone
- Division of Cardiology, Pulmonary diseases and Vascular medicine, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Christian Heiss
- Department of Clinical and Experimental Medicine, University of Surrey, Stag Hill, Guildford, UK
| | - Olivier Vitse
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | - Fabrice Hurbin
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | - Rania Boiron
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | - Xavier Benain
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | - David Radzik
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | - Philip Janiak
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
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Ahmad N, Shah SA, Abdul Gafor AH, Abdul Murad NA, Kamaruddin MA, Abd Jalal N, Ismail N, Alias MR, Jamal R. Gene-environment interaction in chronic kidney disease among people with type 2 diabetes from The Malaysian Cohort project: a case-control study. Diabet Med 2020; 37:1890-1901. [PMID: 32012348 DOI: 10.1111/dme.14257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/28/2020] [Indexed: 01/05/2023]
Abstract
AIM To examine the possible gene-environment interactions between 32 single nucleotide polymorphisms and environmental factors that could modify the probability of chronic kidney disease. METHODS A case-control study was conducted involving 600 people with type 2 diabetes (300 chronic kidney disease cases, 300 controls) who participated in The Malaysian Cohort project. Retrospective subanalysis was performed on the chronic kidney disease cases to assess chronic kidney disease progression from the recruitment phase. We genotyped 32 single nucleotide polymorphisms using mass spectrometry. The probability of chronic kidney disease and predicted rate of newly detected chronic kidney disease progression were estimated from the significant gene-environment interaction analyses. RESULTS Four single nucleotide polymorphisms (eNOS rs2070744, PPARGC1A rs8192678, KCNQ1 rs2237895 and KCNQ1 rs2283228) and five environmental factors (age, sex, smoking, waist circumference and HDL) were significantly associated with chronic kidney disease. Gene-environment interaction analyses revealed significant probabilities of chronic kidney disease for sex (PPARGC1A rs8192678), smoking (eNOS rs2070744, PPARGC1A rs8192678 and KCNQ1 rs2237895), waist circumference (eNOS rs2070744, PPARGC1A rs8192678, KCNQ1 rs2237895 and KCNQ1 rs2283228) and HDL (eNOS rs2070744 and PPARGC1A rs8192678). Subanalysis indicated that the rate of newly detected chronic kidney disease progression was 133 cases per 1000 person-years (95% CI: 115, 153), with a mean follow-up period of 4.78 (SD 0.73) years. There was a significant predicted rate of newly detected chronic kidney disease progression in gene-environment interactions between KCNQ1 rs2283228 and two environmental factors (sex and BMI). CONCLUSIONS Our findings suggest that the gene-environment interactions of eNOS rs2070744, PPARGC1A rs8192678, KCNQ1 rs2237895 and KCNQ1 rs2283228 with specific environmental factors could modify the probability for chronic kidney disease.
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Affiliation(s)
- N Ahmad
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
- Epidemiology and Statistics Unit, Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - S A Shah
- Epidemiology and Statistics Unit, Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - A H Abdul Gafor
- Nephrology Unit, Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - N A Abdul Murad
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - M A Kamaruddin
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - N Abd Jalal
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | | | - M R Alias
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - R Jamal
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
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Yu Y, Zhang J, Yao S, Pan L, Luo G, Xu N. Apolipoprotein M overexpression through adeno-associated virus gene transfer improves insulin secretion and insulin sensitivity in Goto-Kakizaki rats. J Diabetes Investig 2020; 11:1150-1158. [PMID: 32243104 PMCID: PMC7477524 DOI: 10.1111/jdi.13261] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 03/01/2020] [Accepted: 03/22/2020] [Indexed: 12/11/2022] Open
Abstract
AIMS/OBJECTIVE The development of type 2 diabetes is a result of insulin resistance in various tissues, including skeletal muscle and liver. Apolipoprotein M (ApoM) plays an important role in the function of high-density lipoprotein, and also affects hepatic lipid and glucose metabolism. In this study, we aimed to investigate whether ApoM overexpression modulates glucose metabolism and improves insulin sensitivity. MATERIALS AND METHODS The Goto-Kakizaki (GK) rats were transfected with adeno-associated virus (AAV) encoding rat ApoM gene or control blank. The oral glucose tolerance test (OGTT) and hyperinsulinemic-euglycemic clamp (HEC) experiment were used to assess the insulin sensitivity of GK rats. RESULTS The results show that ApoM messenger ribonucleic acid and protein were significantly overexpressed in the pancreatic tissues. Overexpression of ApoM decreased fasting blood glucose and random blood glucose, improved glucose tolerance, and increased bodyweight and insulin levels in GK rats. The glucose infusion rate of rats in the AAV encoding rat ApoM gene group during HEC test was 1.04-, 1.23- and 1.95-fold higher than that in the AAV control blank group at 1-3 weeks after injection of AAV, respectively. A Wes-ProteinSimple assay and quantification was carried out to assess phosphorylated protein kinase B/protein kinase B protein levels in the muscle tissues of ApoM-overexpressing GK rats, and they were found to be higher than those of the control group at the seventh week after AAV injection. CONCLUSIONS ApoM overexpression through adeno-associated virus gene transfer might improve insulin secretion and insulin sensitivity in GK rats.
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Affiliation(s)
- Yang Yu
- Comprehensive Laboratorythe Third Affiliated Hospital of Soochow UniversityChangzhouChina
| | - Jun Zhang
- Comprehensive Laboratorythe Third Affiliated Hospital of Soochow UniversityChangzhouChina
| | - Shuang Yao
- Comprehensive Laboratorythe Third Affiliated Hospital of Soochow UniversityChangzhouChina
| | - Lili Pan
- Comprehensive Laboratorythe Third Affiliated Hospital of Soochow UniversityChangzhouChina
| | - Guanghua Luo
- Comprehensive Laboratorythe Third Affiliated Hospital of Soochow UniversityChangzhouChina
| | - Ning Xu
- Section of Clinical Chemistry and PharmacologyInstitute of Laboratory MedicineLunds UniversityLundSweden
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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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Plasma sphingosine 1-phosphate concentrations and cardiovascular autonomic neuropathy in individuals with type 2 diabetes. Sci Rep 2020; 10:12768. [PMID: 32728147 PMCID: PMC7391653 DOI: 10.1038/s41598-020-69566-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 07/15/2020] [Indexed: 12/14/2022] Open
Abstract
The aim of this study was to test the hypothesis that plasma sphingosine 1-phosphate (S1P) levels are associated with the risk of cardiovascular autonomic neuropathy (CAN) in type 2 diabetes patients. This cross-sectional study included 287 individuals with type 2 diabetes. CAN was evaluated using cardiovascular reflex tests. Logistic regression analyses were conducted to assess the relationship between plasma S1P levels and CAN. Plasma S1P concentrations were significantly lower in individuals with CAN than in those without CAN. There was a significant interaction between plasma S1P levels and sex with respect to CAN (p for interaction = 0.003). When stratified by sex, the association between plasma S1P levels and CAN exhibited a sex difference; in multivariable analysis, plasma S1P levels were significantly associated with CAN in women (odds ratio per standard deviation increase in the log-transformed value, 0.40; 95% confidence interval, 0.23–0.70, p = 0.001). However, there was no significant association between plasma S1P and CAN in men. Plasma S1P concentrations were inversely associated with CAN only in women with type 2 diabetes.
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Daryabor G, Atashzar MR, Kabelitz D, Meri S, Kalantar K. The Effects of Type 2 Diabetes Mellitus on Organ Metabolism and the Immune System. Front Immunol 2020; 11:1582. [PMID: 32793223 PMCID: PMC7387426 DOI: 10.3389/fimmu.2020.01582] [Citation(s) in RCA: 215] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 06/15/2020] [Indexed: 12/14/2022] Open
Abstract
Metabolic abnormalities such as dyslipidemia, hyperinsulinemia, or insulin resistance and obesity play key roles in the induction and progression of type 2 diabetes mellitus (T2DM). The field of immunometabolism implies a bidirectional link between the immune system and metabolism, in which inflammation plays an essential role in the promotion of metabolic abnormalities (e.g., obesity and T2DM), and metabolic factors, in turn, regulate immune cell functions. Obesity as the main inducer of a systemic low-level inflammation is a main susceptibility factor for T2DM. Obesity-related immune cell infiltration, inflammation, and increased oxidative stress promote metabolic impairments in the insulin-sensitive tissues and finally, insulin resistance, organ failure, and premature aging occur. Hyperglycemia and the subsequent inflammation are the main causes of micro- and macroangiopathies in the circulatory system. They also promote the gut microbiota dysbiosis, increased intestinal permeability, and fatty liver disease. The impaired immune system together with metabolic imbalance also increases the susceptibility of patients to several pathogenic agents such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Thus, the need for a proper immunization protocol among such patients is granted. The focus of the current review is to explore metabolic and immunological abnormalities affecting several organs of T2DM patients and explain the mechanisms, whereby diabetic patients become more susceptible to infectious diseases.
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Affiliation(s)
- Gholamreza Daryabor
- Autoimmune Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohamad Reza Atashzar
- Department of Immunology, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | | | - Seppo Meri
- Department of Bacteriology and Immunology and the Translational Immunology Research Program (TRIMM), The University of Helsinki and HUSLAB, Helsinki University Hospital, Helsinki, Finland
| | - Kurosh Kalantar
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Takaeko Y, Matsui S, Kajikawa M, Maruhashi T, Yamaji T, Harada T, Han Y, Hashimoto H, Kihara Y, Hida E, Chayama K, Goto C, Aibara Y, Yusoff FM, Kishimoto S, Nakashima A, Higashi Y. Relationship between high-density lipoprotein cholesterol levels and endothelial function in women: a cross-sectional study. BMJ Open 2020; 10:e038121. [PMID: 32641366 PMCID: PMC7342861 DOI: 10.1136/bmjopen-2020-038121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES The purpose of this study was to evaluate the relationship between high-density lipoprotein cholesterol (HDL-C) levels and endothelial function in women. DESIGN Cross-sectional study. SETTING 22 university hospitals and affiliated clinics in Japan. PARTICIPANTS 1719 Japanese women aged 17-90 years who were not receiving lipid-lowering therapy. MEASURES We evaluated flow-mediated vasodilation (FMD) and serum levels of HDL-C. All participants were divided into four groups by HDL-C level: low HDL-C (<40 mg/dL), moderate HDL-C (40-59 mg/dL), high HDL-C (60-79 md/dL) and extremely high HDL-C (≥80 mg/dL). RESULTS Univariate regression analysis revealed a significant relationship between FMD and HDL-C (r=0.12, p<0.001). FMD values were significantly smaller in the low HDL-C group (5.2%±3.8%) and moderate HDL-C group (5.2%±3.8%) than in the extremely high HDL-C group (6.7%±3.4%) (p=0.024 and p=0.003, respectively), while there was no significant difference in FMD between the high HDL-C group and the extremely high HDL-C group. Multiple logistic regression analysis did not show a significant association between HDL-C levels and FMD. CONCLUSIONS Endothelial function increased in relation to HDL-C levels. However, there was no association of HDL-C levels with endothelial function after adjustment of traditional cardiovascular risk factors in women. TRIAL REGISTRATION NUMBER UMIN000012950; Results.
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Affiliation(s)
- Yuji Takaeko
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Shogo Matsui
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Masato Kajikawa
- Division of Regeneration and Medicine, Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan
| | - Tatsuya Maruhashi
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Takayuki Yamaji
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Takahiro Harada
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Yiming Han
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Haruki Hashimoto
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Yasuki Kihara
- Department of Cardiovascular Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Eisuke Hida
- Department of Biostatistics and Data Science, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazuaki Chayama
- Department of Gastroenterology and Metabolism, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Chikara Goto
- Department of Physical Therapy, Hiroshima International University, HigashiHiroshima, Hiroshima, Japan
| | - Yoshiki Aibara
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima, Japan
| | - Farina Mohamad Yusoff
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima, Japan
| | - Shinji Kishimoto
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima, Japan
| | - Ayumu Nakashima
- Department of Stem Cell Biology and Medicine, Hiroshima University Faculty of Medicine Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Yukihito Higashi
- Division of Regeneration and Medicine, Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima, Japan
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Jomard A, Osto E. High Density Lipoproteins: Metabolism, Function, and Therapeutic Potential. Front Cardiovasc Med 2020; 7:39. [PMID: 32296714 PMCID: PMC7136892 DOI: 10.3389/fcvm.2020.00039] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Accepted: 02/28/2020] [Indexed: 12/16/2022] Open
Abstract
High Density Lipoproteins (HDLs) have long been considered as “good cholesterol,” beneficial to the whole body and, in particular, to cardio-vascular health. However, HDLs are complex particles that undergoes dynamic remodeling through interactions with various enzymes and tissues throughout their life cycle, making the complete understanding of its functions and roles more complicated than initially expected. In this review, we explore the novel understanding of HDLs' behavior in health and disease as a multifaceted class of lipoprotein, with different size subclasses, molecular composition, receptor interactions, and functionality. Further, we report on emergent HDL-based therapeutics tested in small and larger scale clinical trials and their mixed successes.
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Affiliation(s)
- Anne Jomard
- Laboratory of Translational Nutrition Biology, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland.,Institute of Clinical Chemistry, University Hospital Zurich, Zurich, Switzerland
| | - Elena Osto
- Laboratory of Translational Nutrition Biology, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland.,Institute of Clinical Chemistry, University Hospital Zurich, Zurich, Switzerland.,Department of Cardiology, Heart Center, University Hospital Zurich, Zurich, Switzerland
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Wu J, Dong T, Chen T, Sun J, Luo J, He J, Wei L, Zeng B, Zhang H, Li W, Liu J, Chen X, Su M, Ni Y, Jiang Q, Zhang Y, Xi Q. Hepatic exosome-derived miR-130a-3p attenuates glucose intolerance via suppressing PHLPP2 gene in adipocyte. Metabolism 2020; 103:154006. [PMID: 31715176 DOI: 10.1016/j.metabol.2019.154006] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/17/2019] [Accepted: 09/24/2019] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Glucose and lipid metabolism disorders are a major risk factor for type II diabetes and cardiovascular diseases. Evidence has indicated that the interplay between the liver and adipose tissue is crucial in maintaining energy homeostasis. Recently, the interaction between two distant endocrine organs mainly focuses on the regulation of hormones and receptors. However, as a novel carrier in the inter-tissue communication, exosomes plays a role in liver-fat crosstalk, but its effects on glucose and lipid metabolisms are still unclear. In this study, we sought to investigate the effects of hepatic exosome-derived miR-130a-3p in the regulation of glucose/lipid metabolism in adipose tissues. MEASURE In vivo, we constructed generalized miR-130a-3p knockout (130KO) and overexpressed (130OE) mice. Wild type (WT), 130KO and 130OE mice (n = 10) were assigned to a randomized controlled trial and were fed diets with either 10% (standard diet, SD) or 60% (high-fat diet, HFD) of total calories from fat (lard). Next, hepatic exosomes were extracted from WT-SD, 130KO-SD and 130OE-SD mice (WT-EXO, KO-EXO, OE-EXO), and 130KO mice were injected with 100 mg hepatic exosomes of different sources via tail-vein (once every 48 h) for 28 days, fed with HFD. In vitro, 3T3-L1 cells were treated with miR-130a-3p mimics, inhibitor and hepatic exosomes. Growth performance and glucose and lipid metabolic profiles were examined. RESULTS After feeding with HFD, the weights of 130KO mice were markedly higher than WT mice. Over-expression of miR-130a-3p in 130OE mice and intravenous injection of 130OE-EXO in 130KO mice contributed to a positive correlation with the recovery of insulin resistance. In addition, miR-130a-3p mimics and 130OE-EXO treatment of 3T3-L1 cells exhibited decreasing generations of lipid droplets and increasing glucose uptake. Conversely, inhibition of miR-130a-3p in vitro and in vivo resulted in opposite phenotype changes. Furthermore, PHLPP2 was identified as a direct target of miR-130a-3p, and the hepatic exosome-derived miR-130a-3p could improve glucose intolerance via suppressing PHLPP2 to activate AKT-AS160-GLUT4 signaling pathway in adipocytes. CONCLUSIONS We demonstrated that hepatic exosome-derived miR-130a regulated energy metabolism in adipose tissues, and elucidated a new molecular mechanism that hepatic exosome-derived miR-130a-3p is a crucial participant in organismic energy homeostasis through mediating crosstalk between the liver and adipose tissues.
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Affiliation(s)
- Jiahan Wu
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Tao Dong
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Ting Chen
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Jiajie Sun
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Junyi Luo
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Jiajian He
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Limin Wei
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Bin Zeng
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Haojie Zhang
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Weite Li
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Jie Liu
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Xingping Chen
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Mei Su
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Yuechun Ni
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Qingyan Jiang
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
| | - Yongliang Zhang
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China.
| | - Qianyun Xi
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center For Breeding Swine Industry, Guangdong Province Research Center of Woody Forage Engineering and Technology, College of Animal Science, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China.
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Diarte-Añazco EMG, Méndez-Lara KA, Pérez A, Alonso N, Blanco-Vaca F, Julve J. Novel Insights into the Role of HDL-Associated Sphingosine-1-Phosphate in Cardiometabolic Diseases. Int J Mol Sci 2019; 20:ijms20246273. [PMID: 31842389 PMCID: PMC6940915 DOI: 10.3390/ijms20246273] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 02/07/2023] Open
Abstract
Sphingolipids are key signaling molecules involved in the regulation of cell physiology. These species are found in tissues and in circulation. Although they only constitute a small fraction in lipid composition of circulating lipoproteins, their concentration in plasma and distribution among plasma lipoproteins appears distorted under adverse cardiometabolic conditions such as diabetes mellitus. Sphingosine-1-phosphate (S1P), one of their main representatives, is involved in regulating cardiomyocyte homeostasis in different models of experimental cardiomyopathy. Cardiomyopathy is a common complication of diabetes mellitus and represents a main risk factor for heart failure. Notably, plasma concentration of S1P, particularly high-density lipoprotein (HDL)-bound S1P, may be decreased in patients with diabetes mellitus, and hence, inversely related to cardiac alterations. Despite this, little attention has been given to the circulating levels of either total S1P or HDL-bound S1P as potential biomarkers of diabetic cardiomyopathy. Thus, this review will focus on the potential role of HDL-bound S1P as a circulating biomarker in the diagnosis of main cardiometabolic complications frequently associated with systemic metabolic syndromes with impaired insulin signaling. Given the bioactive nature of these molecules, we also evaluated its potential of HDL-bound S1P-raising strategies for the treatment of cardiometabolic disease.
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Affiliation(s)
- Elena M. G. Diarte-Añazco
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, and Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
| | - Karen Alejandra Méndez-Lara
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, and Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Correspondence: (K.A.M.-L.); (F.B.-V.); (J.J.)
| | - Antonio Pérez
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Servei d’Endocrinologia, Hospital de la Santa Creu i Sant Pau, IIB Sant Pau, 08041 Barcelona, Spain
| | - Núria Alonso
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Servei d’Endocrinologia, Hospital Universitari Germans Trias i Pujol, Badalona, 08916 Barcelona, Spain
| | - Francisco Blanco-Vaca
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Servei de Bioquímica, Hospital de la Santa Creu i Sant Pau, IIB Sant Pau, 08041 Barcelona, Spain
- Correspondence: (K.A.M.-L.); (F.B.-V.); (J.J.)
| | - Josep Julve
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, and Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Correspondence: (K.A.M.-L.); (F.B.-V.); (J.J.)
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Le Barz M, Boulet MM, Calzada C, Cheillan D, Michalski MC. Alterations of endogenous sphingolipid metabolism in cardiometabolic diseases: Towards novel therapeutic approaches. Biochimie 2019; 169:133-143. [PMID: 31614170 DOI: 10.1016/j.biochi.2019.10.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 10/08/2019] [Indexed: 12/16/2022]
Abstract
The increasing prevalence of obesity and metabolic diseases is a worldwide public health concern, and the advent of new analytical technologies has made it possible to highlight the involvement of some molecules, such as sphingolipids (SL), in their pathophysiology. SL are constituents of cell membranes, lipoproteins and lipid droplets (LD), and are now considered as bioactive molecules. Indeed, growing evidence suggests that SL, characterized by diverse families and species, could represent one of the main regulators of lipid metabolism. There is an increasing amount of data reporting that plasma SL profile is altered in metabolic diseases. However, less is known about SL metabolism dysfunction in cells and tissues and how it may impact the lipoprotein metabolism, its functionality and composition. In cardiometabolic pathologies, the link between serum SL concentrations and alterations of their metabolism in various organs and LD is still unclear. Pharmacological approaches have been developed in order to activate or inhibit specific key enzymes of the SL metabolism, and to positively modulate SL profile or related metabolic pathways. Nevertheless, little is known about the long-term impact of such approaches in humans and the current literature still focuses on the decomposition of the different parts of this complex system rather than performing an integrated analysis of the whole SL metabolism. In addition, since SL can be provided from exogenous sources, it is also of interest to evaluate their impact on the homeostasis of endogenous SL metabolism, which could be beneficial in prevention or treatment of obesity and related metabolic disorders.
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Affiliation(s)
- Mélanie Le Barz
- Univ Lyon, CarMeN Laboratory, Inserm, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Lyon-Sud Medical School, Pierre-Bénite, Fr-69310, France.
| | - Marie Michèle Boulet
- Univ Lyon, CarMeN Laboratory, Inserm, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Lyon-Sud Medical School, Pierre-Bénite, Fr-69310, France.
| | - Catherine Calzada
- Univ Lyon, CarMeN Laboratory, Inserm, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Lyon-Sud Medical School, Pierre-Bénite, Fr-69310, France.
| | - David Cheillan
- Univ Lyon, CarMeN Laboratory, Inserm, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Lyon-Sud Medical School, Pierre-Bénite, Fr-69310, France; Service Biochimie et Biologie Moléculaire Grand Est, Centre de Biologie Est, Hospices Civils de Lyon, 69677, Bron, France.
| | - Marie-Caroline Michalski
- Univ Lyon, CarMeN Laboratory, Inserm, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Lyon-Sud Medical School, Pierre-Bénite, Fr-69310, France.
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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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Vardenafil and cilostazol can improve vascular reactivity in rats with diabetes mellitus and rheumatoid arthritis co-morbidity. Life Sci 2019; 229:67-79. [PMID: 31085245 DOI: 10.1016/j.lfs.2019.05.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/27/2019] [Accepted: 05/10/2019] [Indexed: 12/17/2022]
Abstract
Endothelial dysfunction and vascular reactivity defects secondary to metabolic and immunological disorders carry risk of serious cardiovascular complications. Here, the effects of the phosphodiesterase (PDE) inhibitors vardenafil and cilostazol were examined against rheumatoid arthritis (RA)/diabetes mellitus (DM)-co-morbidity-induced endothelial dysfunction and vascular reactivity defects. After setting of RA/DM-co-morbidity model, rats were divided into a normal control group, an RA/DM-co-morbidity group, and two treatment groups receiving oral vardenafil (10 mg/kg/day) and cilostazol (30 mg/kg/day) for 21 days after RA/DM-co-morbidity induction. Aorta was isolated for biochemical estimations of the pro-inflammatory vasoconstrictor molecules angiotensin-II (Ang-II) and endothelin-1 (ET-1), the adhesion molecules P-selectin and vascular cell adhesion molecule-1 (VCAM-1), the energy sensor adenosine-5'-monophosphate-activated protein kinase (AMPK), and the vasodilator anti-inflammatory molecule vasoactive intestinal peptide (VIP) using enzyme-linked immunosorbent assay (ELISA) and western blot analysis. Immunohistochemical estimations of endothelial nitric oxide synthase (eNOS) and matrix metalloproteinase (MMP)-2 were performed coupled with histopathological examination using routine hematoxylin and eosin (H&E) and special Masson trichrome staining. The in vitro study was conducted using aortic strips where cumulative concentration response curves were done for the endothelium-dependent relaxing factor acetylcholine and the endothelium-independent relaxing factor sodium nitroprusside after submaximal contraction with phenylephrine. Vardenafil and cilostazol significantly improved endothelial integrity biomarkers in vivo supported with histopathological findings in addition to improved vasorelaxation in vitro. Apart from their known PDE inhibition, up-regulation of vascular AMPK and eNOS coupled with down-regulation of Ang-II, ET-1, P-selectin, VCAM-1 and MMP-2 may explain vardenafil and cilostazol protective effect against RA/DM-co-morbidity-induced endothelial dysfunction and vascular reactivity defects.
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Davidson WS, Shah AS. High-Density Lipoprotein Subspecies in Health and Human Disease: Focus on Type 2 Diabetes. Methodist Debakey Cardiovasc J 2019; 15:55-61. [PMID: 31049150 DOI: 10.14797/mdcj-15-1-55] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Plasma cholesterol levels of high-density lipoproteins (HDL) have been associated with cardioprotection for decades. However, there is an evolving appreciation that this lipoprotein class is highly heterogeneous with regard to composition and functionality. With the advent of advanced lipid-testing techniques and methods that allow both the quantitation and recovery of individual particle populations, we are beginning to connect the functionality of HDL subspecies with chronic metabolic diseases. In this review, we examine type 2 diabetes (T2D) and explore our current understanding of how obesity, insulin resistance, and hyperglycemia affect, and may be affected by, HDL subspeciation. We discuss mechanistic aspects of how insulin resistance may alter lipoprotein profiles and how this may impact the ability of HDL to mitigate both atherosclerotic disease and diabetes itself. Finally, we call for more detailed studies examining the impact of T2D on specific HDL subspecies and their functions. If these particles can be isolated and their compositions and functions fully elucidated, it may become possible to manipulate the levels of these specific particles or target the protective functions to reduce the incidence of coronary heart disease.
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Affiliation(s)
| | - Amy S Shah
- UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE, CINCINNATI, OHIO.,CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER, CINCINNATI, OHIO
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Abstract
PURPOSE OF REVIEW We review current knowledge regarding HDL and Alzheimer's disease, focusing on HDL's vasoprotective functions and potential as a biomarker and therapeutic target for the vascular contributions of Alzheimer's disease. RECENT FINDINGS Many epidemiological studies have observed that circulating HDL levels associate with decreased Alzheimer's disease risk. However, it is now understood that the functions of HDL may be more informative than levels of HDL cholesterol (HDL-C). Animal model studies demonstrate that HDL protects against memory deficits, neuroinflammation, and cerebral amyloid angiopathy (CAA). In-vitro studies using state-of-the-art 3D models of the human blood-brain barrier (BBB) confirm that HDL reduces vascular Aβ accumulation and attenuates Aβ-induced endothelial inflammation. Although HDL-based therapeutics have not been tested in clinical trials for Alzheimer's disease , several HDL formulations are in advanced phase clinical trials for coronary artery disease and atherosclerosis and could be leveraged toward Alzheimer's disease . SUMMARY Evidence from human studies, animal models, and bioengineered arteries supports the hypothesis that HDL protects against cerebrovascular dysfunction in Alzheimer's disease. Assays of HDL functions relevant to Alzheimer's disease may be desirable biomarkers of cerebrovascular health. HDL-based therapeutics may also be of interest for Alzheimer's disease, using stand-alone or combination therapy approaches.
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Affiliation(s)
- Emily B. Button
- Department of Pathology and Laboratory Medicine
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jérôme Robert
- Department of Pathology and Laboratory Medicine
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Tara M. Caffrey
- Department of Pathology and Laboratory Medicine
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jianjia Fan
- Department of Pathology and Laboratory Medicine
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Wenchen Zhao
- Department of Pathology and Laboratory Medicine
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Cheryl L. Wellington
- Department of Pathology and Laboratory Medicine
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
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Abstract
PURPOSE OF REVIEW The validity of HDL-cholesterol (HDL-C) elevation as a therapeutic target has been questioned, in comparison to enhancing HDL functionality. Cholesterol efflux capacity (CEC) is an in-vitro assay that measures the ability of an individual's HDL to promote cholesterol efflux from cholesterol donor cells such as macrophages. CEC of HDL is a predictor of cardiovascular risk independent of HDL-C levels. However, molecular determinants of CEC and the effects of diseases and therapeutic interventions on CEC have not been completely defined. RECENT FINDINGS We review here recent findings on elevated HDL-C and disease risk, as well as determinants of CEC, from genetics and proteomics to pathophysiology and therapeutic interventions that contribute to our understanding of CEC as a biomarker of HDL functionality. SUMMARY Elevated HDL-C levels are not always protective against cardiovascular disease and mortality. CEC is a heritable trait, and genetic polymorphisms in genes involved in HDL and triglycerides metabolism are associated with CEC. Multiple HDL proteins correlate positively with CEC levels and inversely with noncalcified plaque burden. Differences in CEC assays that make comparisons between studies difficult are also emphasized. CEC should be measured in clinical trials of lipid-modifying and anti-inflammatory therapies to determine whether increases are cardioprotective.
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Affiliation(s)
- David Rhainds
- Montreal Heart Institute, Atherosclerosis Research Group
| | - Jean-Claude Tardif
- Montreal Heart Institute, Atherosclerosis Research Group
- Faculty of Medicine, Université de Montréal, Montreal, Quebec, Canada
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50
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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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