1
|
Doukbi E, Ancel P, Dutour A, Soghomonian A, Ahmed S, Castejon V, Piperoglou C, Gariboldi V, Lenoir M, Lechevallier E, Gondran-Tellier B, Boissier R, Ebbo M, Vély F, Gaborit B. Human epicardial fat has a beige profile and contains higher type 2 innate lymphoid cells than subcutaneous fat. Obesity (Silver Spring) 2024; 32:1302-1314. [PMID: 38747118 DOI: 10.1002/oby.24023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/12/2024] [Accepted: 02/20/2024] [Indexed: 06/28/2024]
Abstract
OBJECTIVE Epicardial adipose tissue (EAT) is a visceral fat that has been associated with coronary artery disease and atrial fibrillation. Previous work has revealed that EAT exhibits beige features. METHODS First, a new pan-genomic microarray analysis was performed on previously collected paired human EAT and thoracic subcutaneous AT (thSAT) from the EPICAR study (n = 31) to decipher a specific immune signature and its link with browning genes. Then, adaptive (T and B cells) and innate lymphoid cell (ILC1, ILC2, and ILC3) immunophenotyping assay panels, including CD127, CD117, and prostaglandin D2 receptor 2, were performed on prospectively collected paired human multiorgan donors (n = 18; INTERFACE study). RESULTS In the EPICAR study, a positive correlation between the T helper cell subtype Th2 immune pathway and browning genes was found in EAT versus thSAT (r = 0.82; p < 0.0001). In the INTERFACE study, this correlation was also observed (r = 0.31; p = 0.017), and a preponderance of CD4+T cells, CD8+T cells, and a few B cells was observed in all ATs (p < 0.0001). An increase in ILCs was observed in visceral AT (VAT) (i.e., EAT + VAT; 30 ± 5 ILCs per gram of AT) compared with subcutaneous counterparts (i.e., thSAT + abdominal SAT; 8 ± 2 ILCs per gram of AT; p = 0.001), with ILC1 being the most frequent (ILC1 > ILC3 > ILC2). Numbers of ILCs per gram of AT correlated with several Th2 or browning genes (IL-13, TNF receptor superfamily member 9 [TNFRSF9], and alkaline phosphatase, biomineralization associated [ALPL]). Interestingly, a specific increase in EAT-ILC2 compared with other ATs was observed, including a significant proportion expressing CD69 and/or CD25 activation markers (97.9% ± 1.2%; p < 0.0001). Finally, more natural killer cells were observed in EAT + VAT than in thSAT + abdominal SAT (p = 0.01). Exclusion of patients with coronary artery disease in the EPICAR and INTERFACE studies did not modify the main findings. Gene expression phenotyping confirmed specific upregulation of Th2 pathway and browning genes (IL-33 and uncoupling protein 1 [UCP-1]) in EAT. CONCLUSIONS This is the first study, to our knowledge, to provide a comparison between innate and adaptive lymphoid cells in human EAT. Further studies are ongoing to decipher whether these cells could be involved in EAT beiging.
Collapse
Affiliation(s)
- Elisa Doukbi
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
| | - Patricia Ancel
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
| | - Anne Dutour
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
- Department of Endocrinology, Metabolic Diseases and Nutrition, Pole Endocrinology-Nutrition-Diabetes-Obesity, Public Assistance Marseille Hospitals, Marseille, France
| | - Astrid Soghomonian
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
- Department of Endocrinology, Metabolic Diseases and Nutrition, Pole Endocrinology-Nutrition-Diabetes-Obesity, Public Assistance Marseille Hospitals, Marseille, France
| | - Shaista Ahmed
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
- Heart Repair and Regeneration Laboratory, Department of Endocrinology, Metabolism, and Cardiovascular System, Faculty of Sciences and Medicine, University of Fribourg, Fribourg, Switzerland
| | - Victoria Castejon
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
| | - Christelle Piperoglou
- Aix-Marseille University, CNRS, National Institute for Health and Medical Research (INSERM), Marseille-Luminy Immunology Center (CIML), Marseille University Hospital Timone, Public Assistance Marseille Hospitals, Marseille Immunopole, Marseille, France
| | - Vlad Gariboldi
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
- Department of Cardiac Surgery, Marseille University Hospital Timone, Public Assistance Marseille Hospitals, Marseille, France
| | - Marien Lenoir
- Division of Paediatric Cardiac Surgery, Marseille University Hospital Timone, Public Assistance Marseille Hospitals, Marseille, France
| | - Eric Lechevallier
- Department of Urology Surgery, Conception Hospital, Public Assistance Marseille Hospitals, Marseille, France
| | - Bastien Gondran-Tellier
- Department of Urology Surgery, Conception Hospital, Public Assistance Marseille Hospitals, Marseille, France
| | - Romain Boissier
- Department of Urology Surgery, Conception Hospital, Public Assistance Marseille Hospitals, Marseille, France
| | - Mikael Ebbo
- Aix-Marseille University, CNRS, National Institute for Health and Medical Research (INSERM), Marseille-Luminy Immunology Center (CIML), Marseille University Hospital Timone, Public Assistance Marseille Hospitals, Marseille Immunopole, Marseille, France
- Internal Medicine Department, Marseille University Hospital Timone, Public Assistance Marseille Hospitals, Marseille, France
| | - Frédéric Vély
- Aix-Marseille University, CNRS, National Institute for Health and Medical Research (INSERM), Marseille-Luminy Immunology Center (CIML), Marseille University Hospital Timone, Public Assistance Marseille Hospitals, Marseille Immunopole, Marseille, France
| | - Bénédicte Gaborit
- Aix-Marseille University, National Institute for Health and Medical Research (INSERM), National Research Institute for Agriculture, Food and the Environment (INRAE), Cardiovascular and Nutrition Research Center (C2VN), Marseille, France
- Department of Endocrinology, Metabolic Diseases and Nutrition, Pole Endocrinology-Nutrition-Diabetes-Obesity, Public Assistance Marseille Hospitals, Marseille, France
| |
Collapse
|
2
|
Vasileva F, Font-Lladó R, Carreras-Badosa G, Cazorla-González J, López-Bermejo A, Prats-Puig A. Integrated neuromuscular training intervention applied in schools induces a higher increase in salivary high molecular weight adiponectin and a more favorable body mass index, cardiorespiratory fitness and muscle strength in children as compared to the traditional physical education classes. Front Public Health 2024; 12:1337958. [PMID: 38756879 PMCID: PMC11096568 DOI: 10.3389/fpubh.2024.1337958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 04/19/2024] [Indexed: 05/18/2024] Open
Abstract
Background High-molecular-weight adiponectin (HMW-adiponectin) is a cardio-metabolic health protector. Objectives: (1) to compare body mass index (BMI), cardiorespiratory fitness (CRF) and muscle strength (MS) in healthy school-children depending on their baseline salivary-HMW-adiponectin concentration; and (2) to apply a 3-month integrated neuromuscular training (INT) and evaluate its effects on salivary-HMW-adiponectin concentration, BMI, CRF and MS in the same children. Additional goal: to identify if any potential changes during the 3-month period may be related to a potential change in salivary-HMW-adiponectin concentration. Methods Ninety children (7.4 ± 0.3 years) were recruited in primary schools and randomly allocated into control or intervention group. The intervention consisted of a 3-month INT applied during physical education (PE) classes, twice-weekly, while the control group had traditional PE classes. Body mass and height were measured, BMI was calculated and HMW-adiponectin was quantified in saliva. To assess CRF and MS, 800 m-run and hand-dynamometry were applied, respectively. All measurements were performed twice, at baseline and after 3 months. Results Children with higher baseline salivary-HMW-adiponectin have more favorable BMI (p = 0.006) and slightly higher CRF (p = 0.017) in comparison to the children with lower baseline salivary-HMW-adiponectin. There were no big changes after the 3-month-period neither in the control, nor the INT group. However, it is worthy to note that the INT induced slightly higher increase in salivary-HMW-adiponectin (p = 0.007), and a slightly higher improvement in BMI (p = 0.028), CRF (p = 0.043) and MS (p = 0.003), as compared to the traditional PE classes. Finally, the INT-induced improvement in CRF was associated with the increased post-salivary-HMW-adiponectin concentration (p = 0.022). Conclusion Main findings may suggest the potential utility of an INT as a cost-effective strategy that can be applied in schools to induce cardio-protective effects in school-children.
Collapse
Affiliation(s)
- Fidanka Vasileva
- Pediatric Endocrinology Research Group, Girona Institute for Biomedical Research, Girona, Spain
- University School of Health and Sport, University of Girona, Girona, Spain
| | - Raquel Font-Lladó
- University School of Health and Sport, University of Girona, Girona, Spain
- Research Group of Culture and Education, Institute of Educational Research, University of Girona, Girona, Spain
| | - Gemma Carreras-Badosa
- Pediatric Endocrinology Research Group, Girona Institute for Biomedical Research, Girona, Spain
| | | | - Abel López-Bermejo
- Pediatric Endocrinology Research Group, Girona Institute for Biomedical Research, Girona, Spain
- Department of Medical Sciences, University of Girona, Girona, Spain
- Pediatric Endocrinology, Dr. Josep Trueta Hospital, Girona, Spain
| | - Anna Prats-Puig
- University School of Health and Sport, University of Girona, Girona, Spain
- Research Group of Clinical Anatomy, Embryology and Neuroscience, Department of Medical Sciences, University of Girona, Girona, Spain
| |
Collapse
|
3
|
Natsui H, Watanabe M, Yokota T, Tsuneta S, Fumoto Y, Handa H, Shouji M, Koya J, Nishino K, Tatsuta D, Koizumi T, Kadosaka T, Nakao M, Koya T, Temma T, Ito YM, Kanako HC, Hatanaka Y, Yasushige S, Wakasa S, Miura S, Masuda T, Nishioka N, Naraoka S, Ochi K, Kudo T, Ishikawa T, Anzai T. Influence of epicardial adipose tissue inflammation and adipocyte size on postoperative atrial fibrillation in patients after cardiovascular surgery. Physiol Rep 2024; 12:e15957. [PMID: 38546216 PMCID: PMC10976808 DOI: 10.14814/phy2.15957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 04/28/2024] Open
Abstract
Epicardial adipose tissue (EAT) is an active endocrine organ that is closely associated with occurrence of atrial fibrillation (AF). However, the role of EAT in the development of postoperative AF (POAF) remains unclear. We aimed to investigate the association between EAT profile and POAF occurrence in patients who underwent cardiovascular surgery. We obtained EAT samples from 53 patients to evaluate gene expression, histological changes, mitochondrial oxidative phosphorylation (OXPHOS) capacity in the EAT, and protein secretion in EAT-conditioned medium. EAT volume was measured using computed tomography scan. Eighteen patients (34%) experienced POAF within 7 days after surgery. Although no significant difference was observed in EAT profile between patients with and without POAF, logistic regression analysis identified that the mRNA expression levels of tumor necrosis factor-alpha (TNF-α) were positively correlated and adipocyte size in the EAT was inversely correlated with onset of POAF, respectively. Mitochondrial OXPHOS capacity in the EAT was not associated with POAF occurrence; however, it showed an inverse correlation with adipocyte size and a positive correlation with adiponectin secretion. In conclusion, changes in the secretory profile and adipocyte morphology of the EAT, which represent qualitative aspects of the adipose tissue, were present before the onset of AF.
Collapse
Affiliation(s)
- Hiroyuki Natsui
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Masaya Watanabe
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Takashi Yokota
- Institute of Health Science Innovation for Medical Care, Hokkaido University HospitalSapporoJapan
| | - Satonori Tsuneta
- Department of Diagnostic and Interventional RadiologyHokkaido University HospitalSapporoJapan
| | - Yoshizuki Fumoto
- Department of Molecular Biology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Haruka Handa
- Department of Molecular Biology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Matsushima Shouji
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineKyushu UniversityFukuokaJapan
| | - Jiro Koya
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Kotaro Nishino
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Daishiro Tatsuta
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Takuya Koizumi
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Takahide Kadosaka
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Motoki Nakao
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Taro Koya
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Taro Temma
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Yoichi M. Ito
- Institute of Health Science Innovation for Medical Care, Hokkaido University HospitalSapporoJapan
| | - Hatanaka C. Kanako
- Center for Development of Advanced DiagnosticsHokkaido University HospitalSapporoJapan
| | - Yutaka Hatanaka
- Center for Development of Advanced DiagnosticsHokkaido University HospitalSapporoJapan
| | - Shingu Yasushige
- Department of Cardiovascular Surgery, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Satoru Wakasa
- Department of Cardiovascular Surgery, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Shuhei Miura
- Department of Cardiovascular Surgery, Teine Keijinkai HospitalSapporoJapan
| | - Takahiko Masuda
- Department of Cardiovascular Surgery, Teine Keijinkai HospitalSapporoJapan
| | - Naritomo Nishioka
- Department of Cardiovascular Surgery, Teine Keijinkai HospitalSapporoJapan
| | - Shuichi Naraoka
- Department of Cardiovascular Surgery, Teine Keijinkai HospitalSapporoJapan
| | - Kayoko Ochi
- Department of Clinical Laboratory MedicineTeine Keijinkai HospitalSapporoJapan
| | - Tomoko Kudo
- Department of Clinical Laboratory MedicineTeine Keijinkai HospitalSapporoJapan
| | - Tsugumine Ishikawa
- Department of Clinical Laboratory MedicineTeine Keijinkai HospitalSapporoJapan
| | - Toshihisa Anzai
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| |
Collapse
|
4
|
Pereyra AS, McLaughlin KL, Buddo KA, Ellis JM. Medium-chain fatty acid oxidation is independent of l-carnitine in liver and kidney but not in heart and skeletal muscle. Am J Physiol Gastrointest Liver Physiol 2023; 325:G287-G294. [PMID: 37461880 PMCID: PMC10642992 DOI: 10.1152/ajpgi.00105.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 08/31/2023]
Abstract
Medium-chain fatty acid (MCFA) consumption confers a wide range of health benefits that are highly distinct from long-chain fatty acids (LCFAs). A major difference between the metabolism of LCFAs compared with MCFAs is that mitochondrial LCFA oxidation depends on the carnitine shuttle, whereas MCFA mitochondrial oxidation is not. Although MCFAs are said to range from 6 to 14 carbons long based on physicochemical properties in vitro, the biological cut-off length of acyl chains that can bypass the carnitine shuttle in different mammalian tissues is unknown. To define the range of acyl chain length that can be oxidized in the mitochondria independent of carnitine, we determined the oxidative metabolism of free fatty acids (FFAs) from 6 to 18 carbons long in the liver, kidney, heart, and skeletal muscle. The liver oxidized FFAs 6 to 14 carbons long, whereas the kidney oxidized FFAs from 6 to 10 carbons in length. Heart and skeletal muscle were unable to oxidize FFAs of any chain length. These data show that while the liver and kidney can oxidize MCFAs in the free form, the heart and skeletal muscle require carnitine for the oxidative metabolism of MCFAs. Together these data demonstrate that MCFA oxidation independent of carnitine is tissue-specific.NEW & NOTEWORTHY This work demonstrates that the traditional concept of mitochondrial medium-chain fatty acid oxidation as unregulated and independent of carnitine applies only to liver metabolism, and to kidney to a lesser extent, but not the heart or skeletal muscle. Thus, the benefits of dietary medium-chain fatty acids are set by liver metabolic activity and peripheral tissues are unlikely to receive direct benefits from medium-chain fatty acid metabolism, but rather metabolic byproducts of liver's medium-chain oxidative metabolism.
Collapse
Affiliation(s)
- Andrea S Pereyra
- Department of Physiology and East Carolina Diabetes and Obesity Institute, Brody School of Medicine at East Carolina University, Greenville, North Carolina, United States
| | - Kelsey L McLaughlin
- Department of Physiology and East Carolina Diabetes and Obesity Institute, Brody School of Medicine at East Carolina University, Greenville, North Carolina, United States
| | - Katherine A Buddo
- Department of Physiology and East Carolina Diabetes and Obesity Institute, Brody School of Medicine at East Carolina University, Greenville, North Carolina, United States
| | - Jessica M Ellis
- Department of Physiology and East Carolina Diabetes and Obesity Institute, Brody School of Medicine at East Carolina University, Greenville, North Carolina, United States
| |
Collapse
|
5
|
Ruocco C, Malavazos AE, Ragni M, Carruba MO, Valerio A, Iacobellis G, Nisoli E. Amino acids contribute to adaptive thermogenesis. New insights into the mechanisms of action of recent drugs for metabolic disorders are emerging. Pharmacol Res 2023; 195:106892. [PMID: 37619907 DOI: 10.1016/j.phrs.2023.106892] [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: 05/19/2023] [Revised: 07/28/2023] [Accepted: 08/17/2023] [Indexed: 08/26/2023]
Abstract
Adaptive thermogenesis is the heat production by muscle contractions (shivering thermogenesis) or brown adipose tissue (BAT) and beige fat (non-shivering thermogenesis) in response to external stimuli, including cold exposure. BAT and beige fat communicate with peripheral organs and the brain through a variegate secretory and absorption processes - controlling adipokines, microRNAs, extracellular vesicles, and metabolites - and have received much attention as potential therapeutic targets for managing obesity-related disorders. The sympathetic nervous system and norepinephrine-releasing adipose tissue macrophages (ATM) activate uncoupling protein 1 (UCP1), expressed explicitly in brown and beige adipocytes, dissolving the electrochemical gradient and uncoupling tricarboxylic acid cycle and the electron transport chain from ATP production. Mounting evidence has attracted attention to the multiple effects of dietary and endogenously synthesised amino acids in BAT thermogenesis and metabolic phenotype in animals and humans. However, the mechanisms implicated in these processes have yet to be conclusively characterized. In the present review article, we aim to define the principal investigation areas in this context, including intestinal microbiota constitution, adipose autophagy modulation, and secretome and metabolic fluxes control, which lead to increased brown/beige thermogenesis. Finally, also based on our recent epicardial adipose tissue results, we summarise the evidence supporting the notion that the new dual and triple agonists of glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon (GCG) receptor - with never before seen weight loss and insulin-sensitizing efficacy - promote thermogenic-like amino acid profiles in BAT with robust heat production and likely trigger sympathetic activation and adaptive thermogenesis by controlling amino acid metabolism and ATM expansion in BAT and beige fat.
Collapse
Affiliation(s)
- Chiara Ruocco
- Center for Study and Research on Obesity, Department of Biomedical Technology and Translational Medicine, University of Milan, via Vanvitelli, 32, 20129 Milan, Italy
| | - Alexis Elias Malavazos
- Endocrinology Unit, Clinical Nutrition and Cardiovascular Prevention Service, IRCCS Policlinico San Donato, Piazza Edmondo Malan, 2, San Donato Milanese, 20097 Milan, Italy; Department of Biomedical, Surgical and Dental Sciences, University of Milan, via della Commenda, 10, 20122 Milan, Italy
| | - Maurizio Ragni
- Center for Study and Research on Obesity, Department of Biomedical Technology and Translational Medicine, University of Milan, via Vanvitelli, 32, 20129 Milan, Italy
| | - Michele O Carruba
- Center for Study and Research on Obesity, Department of Biomedical Technology and Translational Medicine, University of Milan, via Vanvitelli, 32, 20129 Milan, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, viale Europa, 11, 25123 Brescia, Italy
| | - Gianluca Iacobellis
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Miami, 1400 NW 12th Ave, Miami, FL, USA
| | - Enzo Nisoli
- Center for Study and Research on Obesity, Department of Biomedical Technology and Translational Medicine, University of Milan, via Vanvitelli, 32, 20129 Milan, Italy.
| |
Collapse
|
6
|
Colangeli L, Escobar Marcillo DI, Simonelli V, Iorio E, Rinaldi T, Sbraccia P, Fortini P, Guglielmi V. The Crosstalk between Gut Microbiota and White Adipose Tissue Mitochondria in Obesity. Nutrients 2023; 15:nu15071723. [PMID: 37049562 PMCID: PMC10097238 DOI: 10.3390/nu15071723] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/19/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Adipose tissue (AT) dysregulation is a key process in the pathophysiology of obesity and its cardiometabolic complications, but even if a growing body of evidence has been collected over recent decades, the underlying molecular basis of adiposopathy remains to be fully understood. In this context, mitochondria, the intracellular organelles that orchestrate energy production and undergo highly dynamic adaptive changes in response to changing environments, have emerged as crucial regulators of both white (WAT) and brown adipose tissue (BAT) metabolism and function. Given that the gut microbiota and its metabolites are able to regulate host metabolism, adipogenesis, WAT inflammation, and thermogenesis, we hypothesize that their frequently observed dysregulation in obesity could affect AT metabolism by exerting direct and indirect effects on AT mitochondria. By collecting and revising the current evidence on the connections between gut microbiota and AT mitochondria in obesity, we gained insights into the molecular biology of their hitherto largely unexplored crosstalk, tracing how gut microbiota may regulate AT mitochondrial function.
Collapse
|
7
|
Yang X, Feng C, Feng J. Epicardial Adipose Tissue and Diabetic Cardiomyopathy. J Cardiovasc Pharmacol Ther 2023; 28:10742484231151820. [PMID: 36752345 DOI: 10.1177/10742484231151820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Diabetes is a long-term chronic disease, and cardiovascular disease is the leading cause of death. Diabetic cardiomyopathy (DCM), one of the cardiovascular complications of diabetes, has many uncertain factors. Epicardial fat, as the heart fat bank, functions as fatty tissue and is the heart's endocrine organ. The existence of diabetes affects the distribution of heart fat and promotes the secretion of adipokine. In different pathological conditions, it can promote the secretion of pro-inflammatory adipokine, reactive oxygen species, oxidative stress, and even autophagy, thus affecting cardiac function. In this paper, we will elaborate on the mechanism of epicardial fat in the pathogenesis of diabetic cardiomyopathy.
Collapse
Affiliation(s)
- Xueyuan Yang
- Chest Clinical College, Tianjin Medical University, Tianjin, China
| | - Chao Feng
- Tianjin Chest Hospital, Tianjin, China
| | | |
Collapse
|
8
|
Liu Y, Huang Y, Xu C, An P, Luo Y, Jiao L, Luo J, Li Y. Mitochondrial Dysfunction and Therapeutic Perspectives in Cardiovascular Diseases. Int J Mol Sci 2022; 23:16053. [PMID: 36555691 PMCID: PMC9788331 DOI: 10.3390/ijms232416053] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/21/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
High mortality rates due to cardiovascular diseases (CVDs) have attracted worldwide attention. It has been reported that mitochondrial dysfunction is one of the most important mechanisms affecting the pathogenesis of CVDs. Mitochondrial DNA (mtDNA) mutations may result in impaired oxidative phosphorylation (OXPHOS), abnormal respiratory chains, and ATP production. In dysfunctional mitochondria, the electron transport chain (ETC) is uncoupled and the energy supply is reduced, while reactive oxygen species (ROS) production is increased. Here, we discussed and analyzed the relationship between mtDNA mutations, impaired mitophagy, decreased OXPHOS, elevated ROS, and CVDs from the perspective of mitochondrial dysfunction. Furthermore, we explored current potential therapeutic strategies for CVDs by eliminating mtDNA mutations (e.g., mtDNA editing and mitochondrial replacement), enhancing mitophagy, improving OXPHOS capacity (e.g., supplement with NAD+, nicotinamide riboside (NR), nicotinamide mononucleotide (NMN), and nano-drug delivery), and reducing ROS (e.g., supplement with Coenzyme Q10 and other antioxidants), and dissected their respective advantages and limitations. In fact, some therapeutic strategies are still a long way from achieving safe and effective clinical treatment. Although establishing effective and safe therapeutic strategies for CVDs remains challenging, starting from a mitochondrial perspective holds bright prospects.
Collapse
Affiliation(s)
- Yu Liu
- China Astronaut Research and Training Center, Beijing 100094, China
| | - Yuejia Huang
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Chong Xu
- China Astronaut Research and Training Center, Beijing 100094, China
| | - Peng An
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Yongting Luo
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Lei Jiao
- China Astronaut Research and Training Center, Beijing 100094, China
| | - Junjie Luo
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Yongzhi Li
- China Astronaut Research and Training Center, Beijing 100094, China
| |
Collapse
|
9
|
AlZaim I, Eid AH, Abd-Elrahman KS, El-Yazbi AF. Adipose Tissue Mitochondrial Dysfunction and Cardiometabolic Diseases: On the Search for Novel Molecular Targets. Biochem Pharmacol 2022; 206:115337. [DOI: 10.1016/j.bcp.2022.115337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/17/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
|
10
|
He Y, Chen Y, Yao L, Wang J, Sha X, Wang Y. The Inflamm-Aging Model Identifies Key Risk Factors in Atherosclerosis. Front Genet 2022; 13:865827. [PMID: 35706446 PMCID: PMC9191626 DOI: 10.3389/fgene.2022.865827] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Atherosclerosis, one of the main threats to human life and health, is driven by abnormal inflammation (i.e., chronic inflammation or oxidative stress) during accelerated aging. Many studies have shown that inflamm-aging exerts a significant impact on the occurrence of atherosclerosis, particularly by inducing an immune homeostasis imbalance. However, the potential mechanism by which inflamm-aging induces atherosclerosis needs to be studied more thoroughly, and there is currently a lack of powerful prediction models.Methods: First, an improved inflamm-aging prediction model was constructed by integrating aging, inflammation, and disease markers with the help of machine learning methods; then, inflamm-aging scores were calculated. In addition, the causal relationship between aging and disease was identified using Mendelian randomization. A series of risk factors were also identified by causal analysis, sensitivity analysis, and network analysis.Results: Our results revealed an accelerated inflamm-aging pattern in atherosclerosis and suggested a causal relationship between inflamm-aging and atherosclerosis. Mechanisms involving inflammation, nutritional balance, vascular homeostasis, and oxidative stress were found to be driving factors of atherosclerosis in the context of inflamm-aging.Conclusion: In summary, we developed a model integrating crucial risk factors in inflamm-aging and atherosclerosis. Our computation pipeline could be used to explore potential mechanisms of related diseases.
Collapse
Affiliation(s)
- Yudan He
- Department of Biomedical Engineering, School of Intelligent Sciences, China Medical University, Shenyang, China
| | - Yao Chen
- Department of Biomedical Engineering, School of Intelligent Sciences, China Medical University, Shenyang, China
| | - Lilin Yao
- Department of Biomedical Engineering, School of Intelligent Sciences, China Medical University, Shenyang, China
| | - Junyi Wang
- Department of Biomedical Engineering, School of Intelligent Sciences, China Medical University, Shenyang, China
| | - Xianzheng Sha
- Department of Biomedical Engineering, School of Intelligent Sciences, China Medical University, Shenyang, China
| | - Yin Wang
- Department of Biomedical Engineering, School of Intelligent Sciences, China Medical University, Shenyang, China
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Yin Wang,
| |
Collapse
|
11
|
Kori M, Cig D, Arga KY, Kasavi C. Multiomics Data Integration Identifies New Molecular Signatures for Abdominal Aortic Aneurysm and Aortic Occlusive Disease: Implications for Early Diagnosis, Prognosis, and Therapeutic Targets. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2022; 26:290-304. [PMID: 35447046 DOI: 10.1089/omi.2022.0021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cardiovascular disease (CVD) is the leading cause of death among adults in developed countries. Among CVDs, abdominal aortic aneurysm (AAA) and aortic occlusive disease (AOD) are of great public health importance because of the high mortality rate in the elderly population. Despite significant molecular insights into AAA and AOD, the molecular mechanisms of these diseases remain unclear, and the current lack of robust diagnostic and prognostic biomarkers requires novel approaches to biomarker discovery and molecular targeting. In this study, we performed a comparative analysis of genome-wide expression data from patients with large AAA (n = 29), small AAA (n = 20), AOD (n = 9), and controls (n = 10). Specifically, we identified the differentially expressed genes and associated molecular pathways and biological processes (BPs) in each disease. Using a systems science approach, these data were linked to comprehensive human biological networks (i.e., protein-protein interaction, transcriptional regulatory, and metabolic networks) to identify molecular signatures of the salient mechanisms of AAA and AOD. Significant alterations in lipid metabolism and valine, leucine, and isoleucine metabolism, as well as neurodegenerative diseases and sex differences in the pathogenesis of AAA and AOD were identified. In the presence of aneurysm, size-dependent changes in lipid metabolism were observed. In addition, molecules and signaling pathways related to immunity, inflammation, infectious disease, and oxidative phosphorylation were identified in common. The results of the comparative and integrative analyzes revealed important clues to disease mechanisms and reporter molecules at various levels that warrant future development as potential prognostic biomarkers and putative therapeutic targets.
Collapse
Affiliation(s)
- Medi Kori
- Department of Bioengineering, Faculty of Engineering, Marmara University, Istanbul, Turkey
| | - Defne Cig
- Department of Bioengineering, Faculty of Engineering, Marmara University, Istanbul, Turkey
| | - Kazim Yalcin Arga
- Department of Bioengineering, Faculty of Engineering, Marmara University, Istanbul, Turkey
- Genetic and Metabolic Diseases Research and Investigation Center (GEMHAM), Marmara University, Istanbul, Turkey
| | - Ceyda Kasavi
- Department of Bioengineering, Faculty of Engineering, Marmara University, Istanbul, Turkey
| |
Collapse
|
12
|
Maldonado M, Chen J, Duan H, Zhou S, Yang L, Raja MA, Huang T, Jiang G, Zhong Y. Effects of caloric overload before caloric restriction in the murine heart. Aging (Albany NY) 2022; 14:2695-2719. [PMID: 35347086 PMCID: PMC9004582 DOI: 10.18632/aging.203967] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 03/10/2022] [Indexed: 02/05/2023]
Abstract
The beneficial effects of caloric restriction (CR) against cardiac aging and for prevention of cardiovascular diseases are numerous. However, to our knowledge, there is no scientific evidence about how a high-calorie diet (HCD) background influences the mechanisms underlying CR in whole heart tissue (WHT) in experimental murine models. In the current study, CR-treated mice with different alimentary backgrounds were subjected to transthoracic echocardiographic measurements. WHT was then analyzed to determine cardiac energetics, telomerase activity, the expression of energy-sensing networks, tissue-specific adiponectin, and cardiac precursor/cardiac stem cell markers. Animals with a balanced diet consumption before CR presented marked cardiac remodeling with improved ejection fraction (EF) and fractional shortening (FS), enhanced OXPHOS complex I, III, and IV, and CKMT2 enzymatic activity. Mice fed an HCD before CR presented moderate changes in cardiac geometry with diminished EF and FS values, but improved OXPHOS complex IV and CKMT2 activity. Differences in cardiac remodeling, left ventricular systolic/diastolic performance, and mitochondrial energetics, found in the CR-treated mice with contrasting alimentary backgrounds, were corroborated by inconsistencies in the expression of mitochondrial-biogenesis-related markers and associated regulatory networks. In particular, disruption of eNOS and AMPK -PGC-1α-mTOR-related axes. The impact of a past habit of caloric overload on the effects of CR in the WHT is a scarcely explored subject that requires deeper study in combination with analyses of other tissues and organs at higher levels of organization within the organ system. Such research will eventually lead to the development of preventative and therapeutic strategies to promote health and longevity.
Collapse
Affiliation(s)
- Martin Maldonado
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Jianying Chen
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Huiqin Duan
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Shuling Zhou
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Lujun Yang
- Translational Medical Center, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Mazhar Ali Raja
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Tianhua Huang
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Gu Jiang
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| | - Ying Zhong
- Reproductive Medicine and Genetics, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu 610066, China
| |
Collapse
|
13
|
Liu X, Liu L, Zhao J, Wang H, Li Y. Mechanotransduction regulates inflammation responses of epicardial adipocytes in cardiovascular diseases. Front Endocrinol (Lausanne) 2022; 13:1080383. [PMID: 36589802 PMCID: PMC9800500 DOI: 10.3389/fendo.2022.1080383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Adipose tissue is a crucial regulator in maintaining cardiovascular homeostasis by secreting various bioactive products to mediate the physiological function of the cardiovascular system. Accumulating evidence shows that adipose tissue disorders contribute to several kinds of cardiovascular disease (CVD). Furthermore, the adipose tissue would present various biological effects depending on its tissue localization and metabolic statuses, deciding the individual cardiometabolic risk. Crosstalk between adipose and myocardial tissue is involved in the pathophysiological process of arrhythmogenic right ventricular cardiomyopathy (ARVC), cardiac fibrosis, heart failure, and myocardial infarction/atherosclerosis. The abnormal distribution of adipose tissue in the heart might yield direct and/or indirect effects on cardiac function. Moreover, mechanical transduction is critical for adipocytes in differentiation, proliferation, functional maturity, and homeostasis maintenance. Therefore, understanding the features of mechanotransduction pathways in the cellular ontogeny of adipose tissue is vital for underlining the development of adipocytes involved in cardiovascular disorders, which would preliminarily contribute positive implications on a novel therapeutic invention for cardiovascular diseases. In this review, we aim to clarify the role of mechanical stress in cardiac adipocyte homeostasis and its interplay with maintaining cardiac function.
Collapse
Affiliation(s)
- Xiaoliang Liu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education (MOE), Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lei Liu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education (MOE), Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Junfei Zhao
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
- *Correspondence: Yifei Li, ; Junfei Zhao, ; Hua Wang,
| | - Hua Wang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education (MOE), Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Yifei Li, ; Junfei Zhao, ; Hua Wang,
| | - Yifei Li
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education (MOE), Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Yifei Li, ; Junfei Zhao, ; Hua Wang,
| |
Collapse
|
14
|
Ohmura Y, Ishimori N, Saito A, Yokota T, Horii S, Tokuhara S, Iwabuchi K, Tsutsui H. Natural Killer T Cells Are Involved in Atherosclerotic Plaque Instability in Apolipoprotein-E Knockout Mice. Int J Mol Sci 2021; 22:ijms222212451. [PMID: 34830332 PMCID: PMC8618636 DOI: 10.3390/ijms222212451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 12/15/2022] Open
Abstract
The infiltration and activation of macrophages as well as lymphocytes within atherosclerotic lesion contribute to the pathogenesis of plaque rupture. We have demonstrated that invariant natural killer T (iNKT) cells, a unique subset of T lymphocytes that recognize glycolipid antigens, play a crucial role in atherogenesis. However, it remained unclear whether iNKT cells are also involved in plaque instability. Apolipoprotein E (apoE) knockout mice were fed a standard diet (SD) or a high-fat diet (HFD) for 8 weeks. Moreover, the SD- and the HFD-fed mice were divided into two groups according to the intraperitoneal injection of α-galactosylceramide (αGC) that specifically activates iNKT cells or phosphate-buffered saline alone (PBS). ApoE/Jα18 double knockout mice, which lack iNKT cells, were also fed an SD or HFD. Plaque instability was assessed at the brachiocephalic artery by the histological analysis. In the HFD group, αGC significantly enhanced iNKT cell infiltration and exacerbated atherosclerotic plaque instability, whereas the depletion of iNKT cells attenuated plaque instability compared to PBS-treated mice. Real-time PCR analyses in the aortic tissues showed that αGC administration significantly increased expressional levels of inflammatory genes such as IFN-γ and MMP-2, while the depletion of iNKT cells attenuated these expression levels compared to those in the PBS-treated mice. Our findings suggested that iNKT cells are involved in the exacerbation of plaque instability via the activation of inflammatory cells and upregulation of MMP-2 in the vascular tissues.
Collapse
MESH Headings
- Animals
- Atherosclerosis/etiology
- Atherosclerosis/genetics
- Atherosclerosis/immunology
- Atherosclerosis/pathology
- Brachial Artery/immunology
- Brachial Artery/pathology
- Cell Movement/drug effects
- Diet, High-Fat/adverse effects
- Galactosylceramides/pharmacology
- Gene Expression Regulation
- Interferon-gamma/genetics
- Interferon-gamma/immunology
- Killer Cells, Natural/drug effects
- Killer Cells, Natural/immunology
- Killer Cells, Natural/pathology
- Lymphocyte Activation
- Macrophages/drug effects
- Macrophages/immunology
- Macrophages/pathology
- Male
- Matrix Metalloproteinase 2/genetics
- Matrix Metalloproteinase 2/immunology
- Mice
- Mice, Inbred C57BL
- Mice, Knockout, ApoE
- Plaque, Atherosclerotic/etiology
- Plaque, Atherosclerotic/genetics
- Plaque, Atherosclerotic/immunology
- Plaque, Atherosclerotic/pathology
Collapse
Affiliation(s)
- Yoshinori Ohmura
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo 060-8638, Japan; (Y.O.); (A.S.); (T.Y.); (S.T.)
| | - Naoki Ishimori
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo 060-8638, Japan; (Y.O.); (A.S.); (T.Y.); (S.T.)
- Correspondence: ; Tel.: +81-11-706-6973
| | - Akimichi Saito
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo 060-8638, Japan; (Y.O.); (A.S.); (T.Y.); (S.T.)
| | - Takashi Yokota
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo 060-8638, Japan; (Y.O.); (A.S.); (T.Y.); (S.T.)
| | - Shunpei Horii
- Department of Cardiovascular Medicine, National Defense Medical College, Namiki 3-2, Tokorozawa 359-0042, Japan;
| | - Satoshi Tokuhara
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo 060-8638, Japan; (Y.O.); (A.S.); (T.Y.); (S.T.)
| | - Kazuya Iwabuchi
- Department of Immunology, Kitasato University School of Medicine, Kitasato 1-15-1, Minami-ku, Sagamihara 252-0374, Japan;
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Kyushu University Graduate School of Medicine, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan;
| |
Collapse
|
15
|
Furihata T, Maekawa S, Takada S, Kakutani N, Nambu H, Shirakawa R, Yokota T, Kinugawa S. Premedication with pioglitazone prevents doxorubicin-induced left ventricular dysfunction in mice. BMC Pharmacol Toxicol 2021; 22:27. [PMID: 33962676 PMCID: PMC8103594 DOI: 10.1186/s40360-021-00495-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 04/26/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Doxorubicin (DOX) is widely used as an effective chemotherapeutic agent for cancers; however, DOX induces cardiac toxicity, called DOX-induced cardiomyopathy. Although DOX-induced cardiomyopathy is known to be associated with a high cumulative dose of DOX, the mechanisms of its long-term effects have not been completely elucidated. Pioglitazone (Pio) is presently contraindicated in patients with symptomatic heart failure owing to the side effects. The concept of drug repositioning led us to hypothesize the potential effects of Pio as a premedication before DOX treatment, and to analyze this hypothesis in mice. METHODS First, for the hyperacute (day 1) and acute (day 7) DOX-induced dysfunction models, mice were fed a standard diet with or without 0.02% (wt/wt) Pio for 5 days before DOX treatment (15 mg/kg body weight [BW] via intraperitoneal [i.p.] administration). The following 3 treatment groups were analyzed: standard diet + vehicle (Vehicle), standard diet + DOX (DOX), and Pio + DOX. Next, for the chronic model (day 35), the mice were administrated DOX once a week for 5 weeks (5 mg/kg BW/week, i.p.). RESULTS In the acute phase after DOX treatment, the percent fractional shortening of the left ventricle (LV) was significantly decreased in DOX mice. This cardiac malfunction was improved in Pio + DOX mice. In the chronic phase, we observed that LV function was preserved in Pio + DOX mice. CONCLUSIONS Our findings may provide a new pathophysiological explanation by which Pio plays a role in the treatment of DOX-induced cardiomyopathy, but the molecular links between Pio and DOX-induced LV dysfunction remain largely elusive.
Collapse
Affiliation(s)
- Takaaki Furihata
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan.
| | - Satoshi Maekawa
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - Shingo Takada
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
- Faculty of Lifelong Sport, Department of Sports Education, Hokusho University, Ebetsu, 069-8511, Japan
| | - Naoya Kakutani
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
- Research Fellow of the Japan Society for the Promotion of Science, Tokyo, Japan
| | - Hideo Nambu
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - Ryosuke Shirakawa
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - Takashi Yokota
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - Shintaro Kinugawa
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| |
Collapse
|
16
|
Different Expression of Mitochondrial and Endoplasmic Reticulum Stress Genes in Epicardial Adipose Tissue Depends on Coronary Atherosclerosis. Int J Mol Sci 2021; 22:ijms22094538. [PMID: 33926122 PMCID: PMC8123607 DOI: 10.3390/ijms22094538] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/22/2021] [Accepted: 04/22/2021] [Indexed: 11/22/2022] Open
Abstract
The aim of our study was to analyze mitochondrial and endoplasmic reticulum (ER) gene expression profiles in subcutaneous (SAT) and epicardial (EAT) adipose tissue, skeletal muscle, and myocardium in patients with and without CAD undergoing elective cardiac surgery. Thirty-eight patients, 27 with (CAD group) and 11 without CAD (noCAD group), undergoing coronary artery bypass grafting and/or valvular surgery were included in the study. EAT, SAT, intercostal skeletal muscle, and right atrium tissue and blood samples were collected at the start and end of surgery; mRNA expression of selected mitochondrial and ER stress genes was assessed using qRT-PCR. The presence of CAD was associated with decreased mRNA expression of most of the investigated mitochondrial respiratory chain genes in EAT, while no such changes were seen in SAT or other tissues. In contrast, the expression of ER stress genes did not differ between the CAD and noCAD groups in almost any tissue. Cardiac surgery further augmented mitochondrial dysfunction in EAT. In our study, CAD was associated with decreased expression of mitochondrial, but not endoplasmic reticulum stress genes in EAT. These changes may contribute to the acceleration of coronary atherosclerosis.
Collapse
|
17
|
Peng YB, Tao C, Tan CP, Zhao P. Mitochondrial targeted rhodium(III) complexes: Synthesis, characterized and antitumor mechanism investigation. J Inorg Biochem 2021; 218:111400. [PMID: 33684684 DOI: 10.1016/j.jinorgbio.2021.111400] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 02/09/2021] [Accepted: 02/13/2021] [Indexed: 12/23/2022]
Abstract
Recently, rhodium complexes have received intensive attentions due to their tunable chemical and biological properties as well as attractive antitumor activity. In this work, two imidazole triphenylamino rhodium complexes [Rh(ppy)2L1]PF6 (Rh1) and [Rh(ppy)2L2]PF6 (Rh2) (ppy = 2-phenylpyridine, L1 = 4-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)-N,N-diphenylaniline, L2 = N-(4-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)phenyl)-4-methyl-N-(p-tolyl)aniline) have been synthesized and characterized. Both complexes display stronger anticancer activity against a various of cancer cells than cisplatin and they can effectively localize to mitochondria. Further mechanism studies show that Rh1 induce caspase-dependent apoptosis through mitochondrial damage, down-regulate the expression of B-cell lymphoma-2 (Bcl-2)/Bcl2-associated x (Bax) and reactive oxygen species (ROS) elevation. Our work provides a strategy for the construction of highly effective anticancer agents targeting mitochondrial metabolism through rational modification of rhodium complexes.
Collapse
Affiliation(s)
- Yan-Bo Peng
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Can Tao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, PR China.
| | - Ping Zhao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China.
| |
Collapse
|
18
|
Furihata T, Takada S, Kakutani N, Maekawa S, Tsuda M, Matsumoto J, Mizushima W, Fukushima A, Yokota T, Enzan N, Matsushima S, Handa H, Fumoto Y, Nio-Kobayashi J, Iwanaga T, Tanaka S, Tsutsui H, Sabe H, Kinugawa S. Cardiac-specific loss of mitoNEET expression is linked with age-related heart failure. Commun Biol 2021; 4:138. [PMID: 33514783 PMCID: PMC7846856 DOI: 10.1038/s42003-021-01675-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 01/07/2021] [Indexed: 12/13/2022] Open
Abstract
Heart failure (HF) occurs frequently among older individuals, and dysfunction of cardiac mitochondria is often observed. We here show the cardiac-specific downregulation of a certain mitochondrial component during the chronological aging of mice, which is detrimental to the heart. MitoNEET is a mitochondrial outer membrane protein, encoded by CDGSH iron sulfur domain 1 (CISD1). Expression of mitoNEET was specifically downregulated in the heart and kidney of chronologically aged mice. Mice with a constitutive cardiac-specific deletion of CISD1 on the C57BL/6J background showed cardiac dysfunction only after 12 months of age and developed HF after 16 months; whereas irregular morphology and higher levels of reactive oxygen species in their cardiac mitochondria were observed at earlier time points. Our results suggest a possible mechanism by which cardiac mitochondria may gradually lose their integrity during natural aging, and shed light on an uncharted molecular basis closely related to age-associated HF.
Collapse
Affiliation(s)
- Takaaki Furihata
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shingo Takada
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Naoya Kakutani
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Satoshi Maekawa
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaya Tsuda
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Junichi Matsumoto
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Wataru Mizushima
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Arata Fukushima
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Takashi Yokota
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Nobuyuki Enzan
- Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Shouji Matsushima
- Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Haruka Handa
- Department of Molecular Biology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yoshizuki Fumoto
- Department of Molecular Biology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Junko Nio-Kobayashi
- Laboratory of Histology and Cytology, Department of Anatomy, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Toshihiko Iwanaga
- Laboratory of Histology and Cytology, Department of Anatomy, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinya Tanaka
- Department of Cancer Pathology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Hisataka Sabe
- Department of Molecular Biology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shintaro Kinugawa
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
| |
Collapse
|
19
|
Naryzhnaya NV, Koshelskaya OA, Kologrivova IV, Kharitonova OA, Evtushenko VV, Boshchenko AA. Hypertrophy and Insulin Resistance of Epicardial Adipose Tissue Adipocytes: Association with the Coronary Artery Disease Severity. Biomedicines 2021; 9:64. [PMID: 33440802 PMCID: PMC7827040 DOI: 10.3390/biomedicines9010064] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 12/18/2022] Open
Abstract
Changes in the structural and functional characteristics of the epicardial adipose tissue (EAT) are recognized as one of the factors in the development of cardiometabolic diseases. However, the generally accepted quantitative assessment of the accumulation of EAT does not reflect the size of adipocyte and presence of adipocyte hypertrophy in this fat depot. Overall contribution of adipocyte hypertrophy to the development and progression of coronary atherosclerosis remains unexplored. Objective: To compare the morphological characteristics of EAT adipocyte and its sensitivity to insulin with the CAD severity, as well as to identify potential factors involved in the realization of this relationship. The present study involved 24 patients (m/f 16/8) aged 53-72 years with stable CAD, who underwent coronary artery bypass graft surgery. Adipocytes were isolated enzymatically from EAT explants obtained during the operation. The severity of CAD was assessed by calculating the Gensini score according to selective coronary angiography. Insulin resistance of EAT adipocytes was evaluated by reactivity to insulin. In patients with an average size of EAT adipocytes equal to or exceeding the median (87 μm) the percentage of hypertrophic adipocytes was twice as high as in patients in whom the average size of adipocytes was less than 87 μm. This group of patients was also characterized by the higher rate of the Gensini score, lower adiponectin levels, and more severe violation of carbohydrate metabolism. We have revealed direct nonparametric correlation between the size of EAT adipocytes and the Gensini score (rs = 0.56, p = 0.00047). The number of hypertrophic EAT adipocytes showed a direct nonparametric correlation with the Gensini score (rs = 0.6, p = 0.002). Inverse nonparametric correlations were found between the serum adiponectin level and size (rs = -0.60, p = 0.001), hypertrophy of adipocytes (rs = -0.67, p = 0.00), and Gensini score (rs = -0.81, p = 0.00007). An inverse nonparametric correlation was found between the Gensini score and sensitivity of EAT adipocytes to insulin, estimated by the intracellular redox response (rs = -0.90, p = 0.037) and decrease in lipolysis rate upon insulin addition (rs = -0.40, p = 0.05). The intracellular redox response of adipocytes to insulin was directly correlated with fasting insulin and inversely with postprandial insulin. Our data indicate that the size and degree of hypertrophy of the epicardial adipocytes are related to the CAD severity. According to our results, insulin resistance of adipocytes may be considered as one of the factors mediating this relationship.
Collapse
Affiliation(s)
- Natalia V. Naryzhnaya
- Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Science, 634050 Tomsk, Russia; (O.A.K.); (I.V.K.); (O.A.K.); (V.V.E.); (A.A.B.)
| | | | | | | | | | | |
Collapse
|
20
|
Takada S, Sabe H, Kinugawa S. Abnormalities of Skeletal Muscle, Adipocyte Tissue, and Lipid Metabolism in Heart Failure: Practical Therapeutic Targets. Front Cardiovasc Med 2020; 7:79. [PMID: 32478098 PMCID: PMC7235191 DOI: 10.3389/fcvm.2020.00079] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 04/15/2020] [Indexed: 12/21/2022] Open
Abstract
Chronic diseases, including heart failure (HF), are often accompanied with skeletal muscle abnormalities in both quality and quantity, which are the major cause of impairment of the activities of daily living and quality of life. We have shown that skeletal muscle abnormalities are a hallmark of HF, in which metabolic pathways involving phosphocreatine and fatty acids are largely affected. Not only in HF, but the dysfunction of fatty acid metabolism may also occur in many chronic diseases, such as arteriosclerosis, as well as through insufficient physical exercise. Decreased fatty acid catabolism affects adenosine triphosphate (ATP) production in mitochondria, via decreased activity of the tricarboxylic acid cycle; and may cause abnormal accumulation of adipose tissue accompanied with hyperoxidation and ectopic lipid deposition. Such impairments of lipid metabolism are in turn detrimental to skeletal muscle, which is hence a chicken-and-egg problem between skeletal muscle and HF. In this review, we first discuss skeletal muscle abnormalities in HF, including sarcopenia; particularly their association with lipid metabolism and adipose tissue. On the other hand, the precise mechanisms involved in metabolic reprogramming and dysfunction are beginning to be understood, and an imbalance of daily nutritional intake of individuals has been found to be a causative factor for the development and worsening of HF. Physical exercise has long been known to be beneficial for the prevention and even treatment of HF. Again, the molecular mechanisms by which exercise promotes skeletal muscle as well as cardiac muscle functions are being clarified by recent studies. We propose that it is now the time to develop more “natural” methods to prevent and treat HF, rather than merely relying on drugs and medical interventions. Further analysis of the basic design of and molecular mechanisms involved in the human body, particularly the inextricable association between physical exercise and the integrity and functional plasticity of skeletal and cardiac muscles is required.
Collapse
Affiliation(s)
- Shingo Takada
- Faculty of Lifelong Sport, Department of Sports Education, Hokusho University, Ebetsu, Japan.,Department of Molecular Biology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Hisataka Sabe
- Department of Molecular Biology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Shintaro Kinugawa
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| |
Collapse
|
21
|
Li X, Wang YX, Shi P, Liu YP, Li T, Liu SQ, Wang CJ, Wang LX, Cao Y. Icariin treatment reduces blood glucose levels in type 2 diabetic rats and protects pancreatic function. Exp Ther Med 2020; 19:2690-2696. [PMID: 32256750 PMCID: PMC7086278 DOI: 10.3892/etm.2020.8490] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 01/13/2020] [Indexed: 12/22/2022] Open
Abstract
Icariin, a flavonoid isolated from traditional oriental herbal medicines, has been demonstrated to exhibit several health benefits in animal models and in humans. The aim of the present study was to investigate the effect of Icariin on hyperglycemia in type 2 diabetes mellitus (T2DM) in rats. A model of diabetes was established in 50 Sprague Dawley rats using a high-sugar and high-fat diet and peritoneal injection of streptozotocin. Diabetic rats were divided into five groups: Diabetic control; metformin; and rats treated with three different doses of Icariin, 5, 10 and 20 mg/kg. Body weight and blood glucose levels were measured, and serum adiponectin levels, expression of phospho-AMP mediated protein kinase (p-AMPK) and glucose transporter isoform 4 (GLUT-4) were measured using ELISA, Realtime PCR and western blotting, respectively. Diabetic rats without drug treatment exhibited reduced body weight, increased blood glucose levels and decreased the number of islets. In T2DM rats treated with 10 or 20 mg/kg Icariin, the blood glucose levels were reduced, whereas serum adiponectin levels were not affected. Additionally, the mRNA and protein expression levels of p-AMPK and GLUT-4 protein were increased in the T2DM rats treated with Icariin. In conclusion, in the diabetes rat model, Icariin alleviated the severity of diabetes, and the effects may be associated with reduction of hyperglycemia by activating an AMPK/GLUT-4 pathway.
Collapse
Affiliation(s)
- Xin Li
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yun-Xiao Wang
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Ping Shi
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yan-Ping Liu
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Ting Li
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Shu-Qin Liu
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Chen-Jing Wang
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Le-Xin Wang
- Department of Cardiology, Liaocheng People's Hospital, Liaocheng, Shandong 252000, P.R. China.,School of Biomedical Sciences, Charles Sturt University, Wagga Wagga, New South Wales 2650, Australia
| | - Yu Cao
- Office of Drug Clinical Trial Management, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| |
Collapse
|
22
|
Zhang T, Yang P, Li T, Gao J, Zhang Y. Leptin Expression in Human Epicardial Adipose Tissue Is Associated with Local Coronary Atherosclerosis. Med Sci Monit 2019; 25:9913-9922. [PMID: 31872802 PMCID: PMC6941777 DOI: 10.12659/msm.918390] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Leptin is an adipokine related to overweight and cardiovascular diseases. However, the leptin expression level in epicardial adipose tissue (EAT) of humans and its association with coronary atherosclerosis has never been investigated. Material/Methods Patients receiving cardiac surgery were divided into a coronary artery disease group (CAD group) and a non-CAD group (NCAD group). Blood samples from coronary vein, biopsies of subcutaneous adipose tissue (SAT), and EAT were acquired during the surgery. Serum leptin level and leptin level in EAT and SAT were tested with ELISA, quantitative PCR, and immunohistochemistry and were compared between the CAD group and NCAD group, as well as between stenosis and non-stenosis subgroups. Logistic regression analysis was performed to explore the risk factors for coronary artery stenosis. Results No statistically significant differences were found in demographic and clinical data between groups (all P>0.05). Serum leptin concentration and leptin expression in EAT and SAT of the CAD group were much higher in than in the NCAD group (all P<0.05). In subgroup analysis, there was no difference in serum leptin and expression in SAT of stenosis and non-stenosis patients (All P>0.05). The leptin expression level in EAT of stenosis patients was significantly higher than in non-stenosis patients (P=0.0431). By multivariate logistic regression analysis, we demonstrated that leptin expression level in EAT was an independent risk factor for coronary artery stenosis [OR=1.09, 95%CI (1.01±1.18), P=0.031]. Conclusions Leptin expression in EAT and SAT were both increased for CAD patients. Leptin expression in EAT was an independent risk factor for coronary atherosclerosis in the adjacent artery, while leptin in SAT was not associated.
Collapse
Affiliation(s)
- Tuowei Zhang
- Department of Cardiovascular Diseases, Xi'an Hospital of Traditional Chinese Medicine, Xi'an, Shangxi, China (mainland)
| | - Pengkang Yang
- Department of Cardiovascular Diseases, Xi'an No.1 Hospital, Xi'an, Shangxi, China (mainland)
| | - Tonghua Li
- Department of Cardiovascular Diseases, Xi'an No.1 Hospital, Xi'an, Shangxi, China (mainland)
| | - Jianping Gao
- Department of Cardiovascular Diseases, North of Weihe River Central Hospital, Xi'an, Shangxi, China (mainland)
| | - Yuyang Zhang
- Department of Cardiovascular Diseases, Xi'an No.1 Hospital, Xi'an, Shangxi, China (mainland)
| |
Collapse
|