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Asselbergs FW, Sammani A, Elliott P, Gimeno JR, Tavazzi L, Tendera M, Kaski JP, Maggioni AP, Rubis PP, Jurcut R, Heliö T, Calò L, Sinagra G, Zdravkovic M, Olivotto I, Kavoliūnienė A, Laroche C, Caforio AL, Charron P. Differences between familial and sporadic dilated cardiomyopathy: ESC EORP Cardiomyopathy & Myocarditis registry. ESC Heart Fail 2021; 8:95-105. [PMID: 33179448 PMCID: PMC7835585 DOI: 10.1002/ehf2.13100] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/22/2020] [Accepted: 10/22/2020] [Indexed: 12/16/2022] Open
Abstract
AIMS Dilated cardiomyopathy (DCM) is a complex disease where genetics interplay with extrinsic factors. This study aims to compare the phenotype, management, and outcome of familial DCM (FDCM) and non-familial (sporadic) DCM (SDCM) across Europe. METHODS AND RESULTS Patients with DCM that were enrolled in the prospective ESC EORP Cardiomyopathy & Myocarditis Registry were included. Baseline characteristics, genetic testing, genetic yield, and outcome were analysed comparing FDCM and SDCM; 1260 adult patients were studied (238 FDCM, 707 SDCM, and 315 not disclosed). Patients with FDCM were younger (P < 0.01), had less severe disease phenotype at presentation (P < 0.02), more favourable baseline cardiovascular risk profiles (P ≤ 0.007), and less medication use (P ≤ 0.042). Outcome at 1 year was similar and predicted by NYHA class (HR 0.45; 95% CI [0.25-0.81]) and LVEF per % decrease (HR 1.05; 95% CI [1.02-1.08]. Throughout Europe, patients with FDCM received more genetic testing (47% vs. 8%, P < 0.01) and had higher genetic yield (55% vs. 22%, P < 0.01). CONCLUSIONS We observed that FDCM and SDCM have significant differences at baseline but similar short-term prognosis. Whether modification of associated cardiovascular risk factors provide opportunities for treatment remains to be investigated. Our results also show a prevalent role of genetics in FDCM and a non-marginal yield in SDCM although genetic testing is largely neglected in SDCM. Limited genetic testing and heterogeneity in panels provides a scaffold for improvement of guideline adherence.
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Affiliation(s)
- Folkert W. Asselbergs
- Department of CardiologyUniversity Medical Centre Utrecht, University of UtrechtHeidelberglaan 100Utrecht3584CXThe Netherlands
- Institute of Cardiovascular Science and Institute of Health Informatics, Faculty of Population Health SciencesUniversity College LondonLondonUK
| | - Arjan Sammani
- Department of CardiologyUniversity Medical Centre Utrecht, University of UtrechtHeidelberglaan 100Utrecht3584CXThe Netherlands
| | - Perry Elliott
- Barts Heart Centre, St Bartholomew's HospitalUniversity College London and Inherited Cardiac Diseases UnitLondonUK
| | - Juan R. Gimeno
- Cardiac DepartmentHospital Universitario Virgen de la ArrixacaMurciaSpain
| | - Luigi Tavazzi
- GVM Care & ResearchMaria Cecilia HospitalCotignolaItaly
| | - Michael Tendera
- Department of Cardiology and Structural Heart Diseases, School of Medicine in KatowiceMedical University of SilesiaKatowicePoland
| | - Juan Pablo Kaski
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street HospitalUK and University College London Institute of Cardiovascular ScienceLondonUK
| | - Aldo P. Maggioni
- GVM Care & ResearchMaria Cecilia HospitalCotignolaItaly
- EUR Observational Research Programme, European Society of CardiologySophia‐AntipolisFrance
| | - Pawel P. Rubis
- Department of Cardiac and Vascular DiseasesJagiellonian University Medical College, John Paul II HospitalKrakowPoland
| | - Ruxandra Jurcut
- Department of CardiologyEmergency Institute of Cardiovascular Diseases C.C. IliescuBucharestRomania
| | - Tiina Heliö
- Department of CardiologyHelsinki University Central Hospital MeilahtiHelsinkiFinland
| | | | - Gianfranco Sinagra
- Cardiovascular Department, Azienda Sanitaria Universitaria Integrata Giuliano IsontinaTriesteItaly
| | - Marija Zdravkovic
- Clinical Hospital Center Bezanijska kosa, Faculty of MedicineUniversity of BelgradeBeogradSerbia
| | | | - Aušra Kavoliūnienė
- Department of CardiologyLithuanian University of Health SciencesKaunasLithuania
| | - Cécile Laroche
- EUR Observational Research Programme, European Society of CardiologySophia‐AntipolisFrance
| | - Alida L.P. Caforio
- Division of Cardiology, Department of Cardiological Thoracic and Vascular Sciences and Public HealthUniversity of PadovaPadovaItaly
| | - Philippe Charron
- APHP, Centre de Référence des Maladies Cardiaques Héréditaires, ICAN, Hôpital Pitié‐SalpêtrièreSorbonne UniversitéParisFrance
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Bilak JM, Gulsin GS, McCann GP. Cardiovascular and systemic determinants of exercise capacity in people with type 2 diabetes mellitus. Ther Adv Endocrinol Metab 2021; 12:2042018820980235. [PMID: 33552463 PMCID: PMC7844448 DOI: 10.1177/2042018820980235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 11/20/2020] [Indexed: 12/15/2022] Open
Abstract
The global burden of heart failure (HF) is on the rise owing to an increasing incidence of lifestyle related diseases, predominantly type 2 diabetes mellitus (T2D). Diabetes is an independent risk factor for cardiovascular disease, and up to 75% of those with T2D develop HF in their lifetime. T2D leads to pathological alterations within the cardiovascular system, which can progress insidiously and asymptomatically in the absence of conventional risk factors. Reduced exercise tolerance is consistently reported, even in otherwise asymptomatic individuals with T2D, and is the first sign of a failing heart. Because aggressive modification of cardiovascular risk factors does not eliminate the risk of HF in T2D, it is likely that other factors play a role in the pathogenesis of HF. Early identification of individuals at risk of HF is advantageous, as it allows for modification of the reversible risk factors and early initiation of treatment with the aim of improving clinical outcomes. In this review, cardiac and extra-cardiac contributors to reduced exercise tolerance in people with T2D are explored.
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Affiliation(s)
- Joanna M. Bilak
- Department of Cardiovascular Sciences, University of Leicester and The National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, UK
| | - Gaurav S. Gulsin
- Department of Cardiovascular Sciences, University of Leicester and The National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, UK
| | - Gerry P. McCann
- Department of Cardiovascular Sciences, University of Leicester, Glenfield Hospital, Groby Road, Leicester LE39QP, UK
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Zhang X, Tian X, Li P, Zhu H, Zhou N, Fang Z, Yang Y, Jing Y, Yuan J. Ultrasound-targeted microbubble destruction promotes myocardial angiogenesis and functional improvements in rat model of diabetic cardiomyopathy. BMC Cardiovasc Disord 2021; 21:21. [PMID: 33413110 PMCID: PMC7791842 DOI: 10.1186/s12872-020-01815-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/08/2020] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Microvascular insufficiency plays an important role in the development of diabetic cardiomyopathy (DCM), therapeutic angiogenesis has been mainly used for the treatment of ischemic diseases. This study sought to verify the preclinical performance of SonoVue microbubbles (MB) combined ultrasound (US) treatment on myocardial angiogenesis in the rat model of DCM and investigate the optimal ultrasonic parameters. METHODS The male Sprague-Dawley (SD) rats were induced DCM by streptozotocin through intraperitoneal injecting and fed with high-fat diet. After the DCM model was established, the rats were divided into the normal group, DCM model group, and US + MB group, while the US + MB group was divided into four subsets according to different pulse lengths (PL) (8 cycles;18 cycle;26 cycle; 36 cycle). After all interventions, all rats underwent conventional echocardiography to examine the cardiac function. The rats were sacrificed and myocardial tissue was examined by histology and morphometry evaluations to detect the myocardial protective effect of SonoVue MBs using US techniques. RESULTS From morphologic observation and echocardiography, the DCM rats had a series of structural abnormalities of cardiac myocardium compared to the normal rats. The US-MB groups exerted cardioprotective effect in DCM rats, improved reparative neovascularization and increased cardiac perfusion, while the 26 cycle group showed significant therapeutic effects on the cardiac functions in DCM rats. CONCLUSION This strategy using SonoVue MB and US can improve the efficacy of angiogenesis, even reverse the progress of cardiac dysfunction and pathological abnormalities, especially using the 26 cycle parameters. Under further study, this combined strategy might provide a novel approach for early intervention of DCM in diabetic patients.
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Affiliation(s)
- Xijun Zhang
- Department of Ultrasonography, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, NO. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Xinqiao Tian
- Department of Ultrasonography, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, NO. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Peng Li
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453002, Henan, China
| | - Haohui Zhu
- Department of Ultrasonography, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, NO. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Nanqian Zhou
- Department of Ultrasonography, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, NO. 7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Zhixin Fang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453002, Henan, China
| | - Yuping Yang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453002, Henan, China
| | - Yun Jing
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453002, Henan, China
| | - Jianjun Yuan
- Department of Ultrasonography, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, NO. 7 Weiwu Road, Zhengzhou, 450003, Henan, China.
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Ahmed LA, Shiha NA, Attia AS. Escitalopram Ameliorates Cardiomyopathy in Type 2 Diabetic Rats via Modulation of Receptor for Advanced Glycation End Products and Its Downstream Signaling Cascades. Front Pharmacol 2021; 11:579206. [PMID: 33384599 PMCID: PMC7770111 DOI: 10.3389/fphar.2020.579206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 11/11/2020] [Indexed: 12/20/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) has been recognized as a known risk factor for cardiovascular diseases. Additionally, studies have shown the prevalence of depression among people with diabetes. Thus, the current study aimed to investigate the possible beneficial effects of escitalopram, a selective serotonin reuptake inhibitor, on metabolic changes and cardiac complications in type 2 diabetic rats. Diabetes was induced by feeding the rats high fat-high fructose diet (HFFD) for 8 weeks followed by a subdiabetogenic dose of streptozotocin (STZ) (35 mg/kg, i. p.). Treatment with escitalopram (10 mg/kg/day; p. o.) was then initiated for 4 weeks. At the end of the experiment, electrocardiography was performed and blood samples were collected for determination of glycemic and lipid profiles. Animals were then euthanized and heart samples were collected for biochemical and histopathological examinations. Escitalopram alleviated the HFFD/STZ-induced metabolic and cardiac derangements as evident by improvement of oxidative stress, inflammatory, fibrogenic and apoptotic markers in addition to hypertrophy and impaired conduction. These results could be secondary to its beneficial effects on the glycemic control and hence the reduction of receptor for advanced glycation end products content as revealed in the present study. In conclusion, escitalopram could be considered a favorable antidepressant medication in diabetic patients as it seems to positively impact the glycemic control in diabetes in addition to prevention of its associated cardiovascular complications.
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Affiliation(s)
- Lamiaa A Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Nesma A Shiha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Amina S Attia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Gulsin GS, Brady E, Marsh AM, Squire G, Htike ZZ, Wilmot EG, Biglands JD, Kellman P, Xue H, Webb DR, Khunti K, Yates T, Davies MJ, McCann GP. Clinical associations with stage B heart failure in adults with type 2 diabetes. Ther Adv Endocrinol Metab 2021; 12:20420188211030144. [PMID: 34349975 PMCID: PMC8287269 DOI: 10.1177/20420188211030144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 06/16/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND There is a high prevalence of asymptomatic (American Heart Association Stage B) heart failure (SBHF) in people with type 2 diabetes (T2D). We aimed to identify associations between clinical characteristics and markers of SBHF in adults with T2D, which may allow therapeutic interventions prior to symptom onset. METHODS Adults with T2D from a multi-ethnic population with no prevalent cardiovascular disease [n = 247, age 52 ± 12 years, glycated haemoglobin A1c (HbA1c) 7.4 ± 1.1% (57 ± 12 mmol/mol), duration of diabetes 61 (32, 120) months] underwent echocardiography and adenosine stress perfusion cardiovascular magnetic resonance imaging. Multivariable linear regression analyses were performed to identify independent associations between clinical characteristics and markers of SBHF. RESULTS In a series of multivariable linear regression models containing age, sex, ethnicity, smoking history, number of glucose-lowering agents, systolic blood pressure (BP) duration of diabetes, body mass index (BMI), HbA1c, serum creatinine, and low-density lipoprotein (LDL)-cholesterol, independent associations with: left ventricular mass:volume were age (β = 0.024), number of glucose-lowering agents (β = 0.022) and systolic BP (β = 0.027); global longitudinal strain were never smoking (β = -1.196), systolic BP (β = 0.328), and BMI (β = -0.348); myocardial perfusion reserve were age (β = -0.364) and male sex (β = 0.458); and aortic distensibility were age (β = -0.629) and systolic BP (β = -0.348). HbA1c was not independently associated with any marker of SBHF. CONCLUSIONS In asymptomatic adults with T2D, age, systolic BP, BMI, and smoking history, but not glycaemic control, are the major determinants of SBHF. Given BP and BMI are modifiable, these may be important targets to reduce the development of symptomatic heart failure.
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Affiliation(s)
| | - Emer Brady
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, UK
| | - Anna-Marie Marsh
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, UK
| | - Gareth Squire
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, UK
| | - Zin Z. Htike
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, UK
| | - Emma G. Wilmot
- Diabetes Department, Royal Derby Hospital, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
| | | | - Peter Kellman
- National Heart, Lung and Blood Institute, Bethesda, MD, USA
| | - Hui Xue
- National Heart, Lung and Blood Institute, Bethesda, MD, USA
| | - David R. Webb
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, UK
| | - Kamlesh Khunti
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, UK
| | - Tom Yates
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, UK
| | - Melanie J. Davies
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, UK
| | - Gerry P. McCann
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, UK
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Yeo JL, Brady EM, McCann GP, Gulsin GS. Sex and ethnic differences in the cardiovascular complications of type 2 diabetes. Ther Adv Endocrinol Metab 2021; 12:20420188211034297. [PMID: 34408835 PMCID: PMC8365016 DOI: 10.1177/20420188211034297] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022] Open
Abstract
Diabetes mellitus represents a global health concern affecting 463 million adults and is projected to rapidly rise to 700 million people by 2045. Amongst those with type 2 diabetes (T2D), there are recognised differences in the impact of the disease on different sex and ethnic groups. The relative risk of cardiovascular complications between individuals with and without T2D is higher in females than males. People of South Asian heritage are two to four times more likely to develop T2D than white people, but conversely not more likely to experience cardiovascular complications. Differences in the pathophysiological responses in these groups may identify potential areas for intervention beyond glycaemic control. In this review, we highlight key differences of diabetes-associated cardiovascular complications by sex and ethnic background, with a particular emphasis on South Asians. Evidence assessing therapeutic efficacy of new glucose lowering drugs in minority groups is limited and many major cardiovascular outcomes trials do not report ethnic specific data. Conversely, lifestyle intervention and bariatric surgery appear to have similar benefits regardless of sex and ethnic groups. We encourage future studies with better representation of women and ethnic minorities that will provide valuable data to allow better risk stratification and tailored prevention and management strategies to improve cardiovascular outcomes in T2D.
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Affiliation(s)
- Jian L Yeo
- Department of Cardiovascular Sciences, University of Leicester and the Leicester NIHR Biomedical Research Centre, Glenfield Hospital, Groby Road, Leicester, LE3 9QP, UK
| | - Emer M Brady
- Department of Cardiovascular Sciences, University of Leicester and the Leicester NIHR Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - Gerry P McCann
- Department of Cardiovascular Sciences, University of Leicester and the Leicester NIHR Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - Gaurav S Gulsin
- Department of Cardiovascular Sciences, University of Leicester and the Leicester NIHR Biomedical Research Centre, Glenfield Hospital, Leicester, UK
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Shaher F, Wang S, Qiu H, Hu Y, Zhang Y, Wang W, AL-Ward H, Abdulghani MAM, Baldi S, Zhou S. Effect and Mechanism of Ganoderma lucidum Spores on Alleviation of Diabetic Cardiomyopathy in a Pilot in vivo Study. Diabetes Metab Syndr Obes 2020; 13:4809-4822. [PMID: 33335409 PMCID: PMC7736836 DOI: 10.2147/dmso.s281527] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/25/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Ganoderma lucidum spores (GLS) exhibit disease prevention properties, but no study has been carried out on the anti-diabetic cardiomyopathy property of GLS. The aim of this study was to evaluate the hyperglycemia-mediated cardiomyopathy protection and mechanisms of GLS in streptozotocin (STZ)induced diabetic rats. METHODS Male SD rats were randomly divided into three groups. Two groups were given STZ (50 mg/kg, i.p.) treatment and when their fasting plasma glucose was above 16.7 mmol/L, among them, one group was given placebo, as diabetic group, and another group was given GLS (300 mg/kg) treatment. The group without STZ treatment was given placebo as a control group. The experiment lasted 70 days. The histology of myocardium and biomarkers of antioxidants, myocardial injury, pro-inflammatory cytokines, pro-apoptotic proteins and phosphorylation of key proteins in PI3K/AKT pathway were assessed. RESULTS Biochemical analysis showed that GLS treatment significantly reduced the blood glucose (-20.3%) and triglyceride (-20.4%) levels compared to diabetic group without treatment. GLS treatment decreased the content of MDA (-25.6%) and activity of lactate dehydrogenase (-18.9%) but increased the activity of GSH-Px (65.4%). Western blot analysis showed that GLS treatment reduced the expression of both alpha-smooth muscle actin and brain natriuretic peptide. Histological analysis on the cardiac tissue micrographs showed that GLS treatment reduced collagen fibrosis and glycogen reactivity in myocardium. Both Western blot and immunohistochemistry analyses showed that GLS treatment decreased the expression levels of pro-inflammatory factors (cytokines IL-1β, and TNF-α) as well as apoptosis regulatory proteins (Bax, caspase-3 and -9), but increased Bcl-2. Moreover, GLS treatment significantly increased the phosphorylation of key proteins involved in PI3K/AKT pathway, eg, p-AKT p-PI3K and mTOR. CONCLUSION The results indicated that GLS treatment alleviates diabetic cardiomyopathy by reducing hyperglycemia, oxidative stress, inflammation, apoptosis and further attenuating the fibrosis and myocardial dysfunction induced by STZ through stimulation of the PI3K/Akt/mTOR signaling pathway.
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Affiliation(s)
- Fahmi Shaher
- Department of Pathophysiology, College of Basic Medicine, Jiamusi University, Jiamusi, People’s Republic of China
| | - Shuqiu Wang
- Department of Pathophysiology, College of Basic Medicine, Jiamusi University, Jiamusi, People’s Republic of China
| | - Hongbin Qiu
- Department of Pathophysiology, College of Basic Medicine, Jiamusi University, Jiamusi, People’s Republic of China
| | - Yu Hu
- Department of Pathophysiology, College of Basic Medicine, Jiamusi University, Jiamusi, People’s Republic of China
| | - Yu Zhang
- Department of Pharmacology, College of Pharmacy, Jiamusi University, Jiamusi, People’s Republic of China
| | - Weiqun Wang
- Department of Physiology, College of Basic Medicine, Jiamusi University, Jiamusi, People’s Republic of China
| | - Hisham AL-Ward
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Jiamusi University, Jiamusi, People’s Republic of China
| | - Mahfoudh A M Abdulghani
- Department of Pharmacology and Toxicology, Unaizah College Pharmacy, Qassim University, Qassim, Saudi Arabia
| | - Salem Baldi
- Department of Clinical Laboratory Diagnostics, College of Basic Medicine, Dalian Medical University, Dalian, People’s Republic of China
| | - Shaobo Zhou
- School of Life Sciences, Institute of Biomedical and Environmental Science and Technology (iBEST), University of Bedfordshire, LutonLU1 3JU, UK
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Xu Y, Fang H, Xu Q, Xu C, Yang L, Huang C. LncRNA GAS5 inhibits NLRP3 inflammasome activation-mediated pyroptosis in diabetic cardiomyopathy by targeting miR-34b-3p/AHR. Cell Cycle 2020; 19:3054-3065. [PMID: 33092444 DOI: 10.1080/15384101.2020.1831245] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Long noncoding RNA GAS5 is down-regulated in cardiomyocytes in diabetic cardiomyopathy (DCM). Here, we studied the involvement of GAS5 in DCM by analyzing its expression in DCM mouse model and cardiac muscle cell line (HL-1 cells). Compared with normal mice, GAS5 was severely down-regulated in heart tissues of DCM mice. GAS5 overexpression improved cardiac function and myocardial hypertrophy in DCM mice. In addition, the expression of NLRP3, caspase-1, Pro-caspase-1, IL-1β and IL-18 were increased in heart tissues of DCM mice and high glucose-treated HL-1 cells, which was repressed by GAS5 up-regulation. GAS5 overexpression suppressed caspase-1 activity, LDH release and the levels of IL-1β, IL-18 in the high glucose-treated HL-1 cells. Moreover, GAS5 regulated AHR expression by sponging miR-34b-3p. Furthermore, GAS5 overexpression suppressed NLRP3 inflammasome activation-mediated pyroptosis by regulating miR-34b-3p/AHR axis. In summary, our study demonstrates that GAS5 acts as a competing endogenous RNA to enhance AHR expression by sponging miR-34b-3p, which consequently represses NLRP3 inflammasome activation-mediated pyroptosis to improve DCM. Thus, our data provide a novel lncRNA GAS5 that could be a valuable target for DCM treatment.
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Affiliation(s)
- Yingying Xu
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University , Nanchang, Jiangxi, China
| | - Haiyang Fang
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University , Nanchang, Jiangxi, China
| | - Qin Xu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Nanchang University , Nanchang, Jiangxi, China
| | - Congcong Xu
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University , Nanchang, Jiangxi, China
| | - Lu Yang
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University , Nanchang, Jiangxi, China
| | - Chahua Huang
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University , Nanchang, Jiangxi, China
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Kaur N, Raja R, Ruiz-Velasco A, Liu W. Cellular Protein Quality Control in Diabetic Cardiomyopathy: From Bench to Bedside. Front Cardiovasc Med 2020; 7:585309. [PMID: 33195472 PMCID: PMC7593653 DOI: 10.3389/fcvm.2020.585309] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/09/2020] [Indexed: 12/14/2022] Open
Abstract
Heart failure is a serious comorbidity and the most common cause of mortality in diabetes patients. Diabetic cardiomyopathy (DCM) features impaired cellular structure and function, culminating in heart failure; however, there is a dearth of specific clinical therapy for treating DCM. Protein homeostasis is pivotal for the maintenance of cellular viability under physiological and pathological conditions, particularly in the irreplaceable cardiomyocytes; therefore, it is tightly regulated by a protein quality control (PQC) system. Three evolutionarily conserved molecular processes, the unfolded protein response (UPR), the ubiquitin-proteasome system (UPS), and autophagy, enhance protein turnover and preserve protein homeostasis by suppressing protein translation, degrading misfolded or unfolded proteins in cytosol or organelles, disposing of damaged and toxic proteins, recycling essential amino acids, and eliminating insoluble protein aggregates. In response to increased cellular protein demand under pathological insults, including the diabetic condition, a coordinated PQC system retains cardiac protein homeostasis and heart performance, on the contrary, inappropriate PQC function exaggerates cardiac proteotoxicity with subsequent heart dysfunction. Further investigation of the PQC mechanisms in diabetes propels a more comprehensive understanding of the molecular pathogenesis of DCM and opens new prospective treatment strategies for heart disease and heart failure in diabetes patients. In this review, the function and regulation of cardiac PQC machinery in diabetes mellitus, and the therapeutic potential for the diabetic heart are discussed.
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Affiliation(s)
- Namrita Kaur
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine, and Health, The University of Manchester, Manchester, United Kingdom
| | - Rida Raja
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine, and Health, The University of Manchester, Manchester, United Kingdom
| | - Andrea Ruiz-Velasco
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine, and Health, The University of Manchester, Manchester, United Kingdom
| | - Wei Liu
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine, and Health, The University of Manchester, Manchester, United Kingdom
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Gulsin GS, Henson J, Brady EM, Sargeant JA, Wilmot EG, Athithan L, Htike ZZ, Marsh AM, Biglands JD, Kellman P, Khunti K, Webb D, Davies MJ, Yates T, McCann GP. Cardiovascular Determinants of Aerobic Exercise Capacity in Adults With Type 2 Diabetes. Diabetes Care 2020; 43:2248-2256. [PMID: 32680830 PMCID: PMC7440912 DOI: 10.2337/dc20-0706] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 06/09/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To assess the relationship between subclinical cardiac dysfunction and aerobic exercise capacity (peak VO2) in adults with type 2 diabetes (T2D), a group at high risk of developing heart failure. RESEARCH DESIGN AND METHODS Cross-sectional study. We prospectively enrolled a multiethnic cohort of asymptomatic adults with T2D and no history, signs, or symptoms of cardiovascular disease. Age-, sex-, and ethnicity-matched control subjects were recruited for comparison. Participants underwent bioanthropometric profiling, cardiopulmonary exercise testing, and cardiovascular magnetic resonance with adenosine stress perfusion imaging. Multivariable linear regression analysis was undertaken to identify independent associations between measures of cardiovascular structure and function and peak VO2. RESULTS A total of 247 adults with T2D (aged 51.8 ± 11.9 years, 55% males, 37% black or south Asian ethnicity, HbA1c 7.4 ± 1.1% [57 ± 12 mmol/mol], and duration of diabetes 61 [32-120] months) and 78 control subjects were included. Subjects with T2D had increased concentric left ventricular remodeling, reduced myocardial perfusion reserve (MPR), and markedly lower aerobic exercise capacity (peak VO2 18.0 ± 6.6 vs. 27.8 ± 9.0 mL/kg/min; P < 0.001) compared with control subjects. In a multivariable linear regression model containing age, sex, ethnicity, smoking status, and systolic blood pressure, only MPR (β = 0.822; P = 0.006) and left ventricular diastolic filling pressure (E/e') (β = -0.388; P = 0.001) were independently associated with peak VO2 in subjects with T2D. CONCLUSIONS In a multiethnic cohort of asymptomatic people with T2D, MPR and diastolic function are key determinants of aerobic exercise capacity, independent of age, sex, ethnicity, smoking status, or blood pressure.
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Affiliation(s)
- Gaurav S Gulsin
- Department of Cardiovascular Sciences, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K.
| | - Joseph Henson
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Emer M Brady
- Department of Cardiovascular Sciences, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Jack A Sargeant
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Emma G Wilmot
- Diabetes Department, Royal Derby Hospital, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, U.K
| | - Lavanya Athithan
- Department of Cardiovascular Sciences, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Zin Z Htike
- Diabetes Department, Royal Derby Hospital, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, U.K
| | - Anna-Marie Marsh
- Department of Cardiovascular Sciences, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | | | - Peter Kellman
- National Heart, Lung, and Blood Institute, Bethesda, MD
| | - Kamlesh Khunti
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - David Webb
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Melanie J Davies
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Thomas Yates
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Gerry P McCann
- Department of Cardiovascular Sciences, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K.
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Puchałowicz K, Rać ME. The Multifunctionality of CD36 in Diabetes Mellitus and Its Complications-Update in Pathogenesis, Treatment and Monitoring. Cells 2020; 9:cells9081877. [PMID: 32796572 PMCID: PMC7465275 DOI: 10.3390/cells9081877] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/04/2020] [Accepted: 08/09/2020] [Indexed: 02/08/2023] Open
Abstract
CD36 is a multiligand receptor contributing to glucose and lipid metabolism, immune response, inflammation, thrombosis, and fibrosis. A wide range of tissue expression includes cells sensitive to metabolic abnormalities associated with metabolic syndrome and diabetes mellitus (DM), such as monocytes and macrophages, epithelial cells, adipocytes, hepatocytes, skeletal and cardiac myocytes, pancreatic β-cells, kidney glomeruli and tubules cells, pericytes and pigment epithelium cells of the retina, and Schwann cells. These features make CD36 an important component of the pathogenesis of DM and its complications, but also a promising target in the treatment of these disorders. The detrimental effects of CD36 signaling are mediated by the uptake of fatty acids and modified lipoproteins, deposition of lipids and their lipotoxicity, alterations in insulin response and the utilization of energy substrates, oxidative stress, inflammation, apoptosis, and fibrosis leading to the progressive, often irreversible organ dysfunction. This review summarizes the extensive knowledge of the contribution of CD36 to DM and its complications, including nephropathy, retinopathy, peripheral neuropathy, and cardiomyopathy.
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Zhang X, Xu H, Ning J, Ji H, Yan J, Zheng Y, Xu Q, Li C, Zhao L, Zheng H, Gao H. Sex-Specific Metabolic Changes in Peripheral Organs of Diabetic Mice. J Proteome Res 2020; 19:3011-3021. [PMID: 32450697 DOI: 10.1021/acs.jproteome.0c00049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Diabetes mellitus (DM) can cause systemic metabolic disorders, but the impact of gender on DM-related metabolic changes is rarely reported. Herein, we analyzed metabolic alterations in the heart, liver, and kidney of male and female mice from normal to diabetes via a 1H NMR-based metabolomics method and aimed to investigate sex-specific metabolic mechanisms underlying the onset and development of diabetes and its complications. Our results demonstrate that male mice had more significant metabolic disorders from normal to diabetes than female mice. Moreover, the kidney was found as the major organ of metabolic disorders during the development of diabetes, followed by the liver and heart. These altered metabolites were mainly implicated in energy metabolism as well as amino acid, choline, and nucleotide metabolism. Therefore, this study suggests that the kidney is the primary organ affected by diabetes in a sex-specific manner, which provides a metabolic view on the pathogenesis of diabetic kidney diseases between genders.
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Affiliation(s)
- Xi Zhang
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Hangying Xu
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Jie Ning
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Hui Ji
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Junjie Yan
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yafei Zheng
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Qingqing Xu
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Chen Li
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Liangcai Zhao
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Hong Zheng
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Hongchang Gao
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
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Gulsin GS, Swarbrick DJ, Athithan L, Brady EM, Henson J, Baldry E, Argyridou S, Jaicim NB, Squire G, Walters Y, Marsh AM, McAdam J, Parke KS, Biglands JD, Yates T, Khunti K, Davies MJ, McCann GP. Effects of Low-Energy Diet or Exercise on Cardiovascular Function in Working-Age Adults With Type 2 Diabetes: A Prospective, Randomized, Open-Label, Blinded End Point Trial. Diabetes Care 2020; 43:1300-1310. [PMID: 32220917 DOI: 10.2337/dc20-0129] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/02/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To confirm the presence of subclinical cardiovascular dysfunction in working-age adults with type 2 diabetes (T2D) and determine whether this is improved by a low-energy meal replacement diet (MRP) or exercise training. RESEARCH DESIGN AND METHODS This article reports on a prospective, randomized, open-label, blinded end point trial with nested case-control study. Asymptomatic younger adults with T2D were randomized 1:1:1 to a 12-week intervention of 1) routine care, 2) supervised aerobic exercise training, or 3) a low-energy (∼810 kcal/day) MRP. Participants underwent echocardiography, cardiopulmonary exercise testing, and cardiac magnetic resonance (CMR) at baseline and 12 weeks. The primary outcome was change in left ventricular (LV) peak early diastolic strain rate (PEDSR) as measured by CMR. Healthy volunteers were enrolled for baseline case-control comparison. RESULTS Eighty-seven participants with T2D (age 51 ± 7 years, HbA1c 7.3 ± 1.1%) and 36 matched control participants were included. At baseline, those with T2D had evidence of diastolic dysfunction (PEDSR 1.01 ± 0.19 vs. 1.10 ± 0.16 s-1, P = 0.02) compared with control participants. Seventy-six participants with T2D completed the trial (30 routine care, 22 exercise, and 24 MRP). The MRP arm lost 13 kg in weight and had improved blood pressure, glycemia, LV mass/volume, and aortic stiffness. The exercise arm had negligible weight loss but increased exercise capacity. PEDSR increased in the exercise arm versus routine care (β = 0.132, P = 0.002) but did not improve with the MRP (β = 0.016, P = 0.731). CONCLUSIONS In asymptomatic working-age adults with T2D, exercise training improved diastolic function. Despite beneficial effects of weight loss on glycemic control, concentric LV remodeling, and aortic stiffness, a low-energy MRP did not improve diastolic function.
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Affiliation(s)
- Gaurav S Gulsin
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - Daniel J Swarbrick
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - Lavanya Athithan
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - Emer M Brady
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - Joseph Henson
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Emma Baldry
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Stavroula Argyridou
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Nishal B Jaicim
- Leicester Clinical Trials Unit, University of Leicester, Leicester, U.K
| | - Gareth Squire
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - Yvette Walters
- Leicester Clinical Trials Unit, University of Leicester, Leicester, U.K
| | - Anna-Marie Marsh
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - John McAdam
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | - Kelly S Parke
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K
| | | | - Thomas Yates
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Kamlesh Khunti
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Melanie J Davies
- Diabetes Research Centre, University of Leicester and the NIHR Leicester Biomedical Research Centre, Leicester, U.K
| | - Gerry P McCann
- Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester, U.K.
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Laddha AP, Kulkarni YA. NADPH oxidase: A membrane-bound enzyme and its inhibitors in diabetic complications. Eur J Pharmacol 2020; 881:173206. [PMID: 32442539 DOI: 10.1016/j.ejphar.2020.173206] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/08/2020] [Accepted: 05/14/2020] [Indexed: 12/20/2022]
Abstract
The human body has a mechanism for balancing the generation and neutralization of reactive oxygen species. The body is exposed to many agents that are responsible for the generation of reactive oxygen/nitrogen species, which leads to disruption of the balance between generation of these species and oxidative stress defence mechanisms. Diabetes is a chronic pathological condition associated with prolonged hyperglycaemia. Prolonged elevation of level of glucose in the blood leads to the generation of reactive oxygen species. This generation of reactive oxygen species is responsible for the development of diabetic vasculopathy, which includes micro- and macrovascular diabetic complications. Nicotinamide adenine dinucleotide phosphate oxidase (NOX) is a membrane-bound enzyme responsible for the development of reactive oxygen species in hyperglycaemia. Phosphorylation of the cytosolic components of NOX, such as p47phox, p67phox, and RAC-1, in hyperglycaemia is one of the important causes of conversion of oxygen to reactive oxygen. Overexpression of NOX in pathological conditions is associated with activation of aldose reductase, advanced glycation end products, protein kinase C and the hexosamine pathway. In addition, NOX also promotes the activation of inflammatory cytokines, such as TGF-β, TNF-α, NF-kβ, IL-6, and IL-18, the activation of endothelial growth factors, such as VEGF and FGF, hyperlipidaemia, and the deposition of collagen. Thus, overexpression of NOX is linked to the development of diabetic complications. The present review focuses on the role of NOX, its associated pathways, and various NOX inhibitors in the management and treatment of diabetic complications, such as diabetic nephropathy, retinopathy, neuropathy and cardiomyopathy.
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Affiliation(s)
- Ankit P Laddha
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V. L Mehta Road, Vile Parle (W), Mumbai, 400 056, India
| | - Yogesh A Kulkarni
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V. L Mehta Road, Vile Parle (W), Mumbai, 400 056, India.
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65
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Metformin and heart failure-related outcomes in patients with or without diabetes: a systematic review of randomized controlled trials. Heart Fail Rev 2020; 26:1437-1445. [PMID: 32157481 DOI: 10.1007/s10741-020-09942-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Metformin is considered a safe anti-hyperglycemic drug for patients with type 2 diabetes (T2D); however, information on its impact on heart failure-related outcomes remains inconclusive. The current systematic review explored evidence from randomized clinical trials (RCTs) reporting on the impact of metformin in modulating heart failure-related markers in patients with or without T2D. Electronic databases such as MEDLINE, Cochrane Library, and EMBASE were searched for eligible studies. Included studies were those assessing the use of metformin as an intervention, and also containing the comparison group on placebo, and all articles had to report on measurable heart failure-related indices in individuals with or without T2D. The modified Downs and Black checklist was used to evaluate the risk of bias. Overall, nine studies met the inclusion criteria, enrolling a total of 2486 patients. Although summarized evidence showed that metformin did not affect left ventricular function, this antidiabetic drug could improve myocardial oxygen consumption concomitant to reducing prominent markers of heart failure such as n-terminal pro-brain natriuretic peptide and low-density lipoprotein levels, inconsistently between diabetic and nondiabetic patients. Effective modulation of some heart failure-related outcomes with metformin treatment was related to its beneficial effects in ameliorating insulin resistance and blocking pro-inflammatory markers such as the aging-associated cytokine CCL11 (C-C motif chemokine ligand 11). Overall, although such beneficial effects were observed with metformin treatment, additional RCTs are necessary to improve our understanding on its modulatory effects on heart failure-related outcomes especially in diabetic patients.
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Zheng L, Shen CL, Li JM, Ma YL, Yan N, Tian XQ, Zhao YZ. Assessment of the Preventive Effect Against Diabetic Cardiomyopathy of FGF1-Loaded Nanoliposomes Combined With Microbubble Cavitation by Ultrasound. Front Pharmacol 2020; 10:1535. [PMID: 31998132 PMCID: PMC6967235 DOI: 10.3389/fphar.2019.01535] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 11/27/2019] [Indexed: 12/27/2022] Open
Abstract
Acidic fibroblast growth factor (FGF1) has great potential in preventing diabetic cardiomyopathy. This study aimed to evaluate the preventive effect of FGF1-loaded nanoliposomes (FGF1-nlip) combined with ultrasound-targeted microbubble destruction (UTMD) on diabetic cardiomyopathy (DCM) using ultrasound examination. Nanoliposomes encapsulating FGF1 were prepared by reverse phase evaporation. DM model rats were established by intraperitoneal injection of streptozotocin (STZ), and different forms of FGF1 (FGF1 solution, FGF1-nlip, and FGF1-nlip+UTMD) were used for a 12-week intervention. According to the transthoracic echocardiography and velocity vector imaging (VVI) indexes, the LVEF, LVFS, and VVI indexes (Vs, Sr, SRr) in the FGF1-nlip+UTMD group were significantly higher than those in the DM model group and other FGF1 intervention groups. From the real-time myocardial contrast echocardiography (RT-MCE) indexes, the FGF1-nlip+UTMD group A and A×β showed significant differences from the DM model group and other FGF1 intervention groups. Cardiac catheter hemodynamic testing, CD31 immunohistochemical staining, and electron microscopy also confirmed the same conclusion. These results confirmed that the abnormalities, including myocardial dysfunction and perfusion impairment, could be suppressed to different extents by the twice weekly FGF1 treatments for 12 consecutive weeks (free FGF1, FGF1-nlip, and FGF1-nlip+UTMD), with the strongest improvements observed in the FGF1-nlip+UTMD group. In conclusion, the VVI and RT-MCE techniques can detect left ventricular systolic function and perfusion changes in DM rats, providing a more effective experimental basis for the early detection and treatment evaluation of DCM, which is of great significance for the prevention of DCM.
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Affiliation(s)
- Lei Zheng
- Department of Ultrasonography, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Department of Ultrasonography of Central China Fuwai Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China.,Department of Ultrasonography, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chuan-Li Shen
- Department of Ultrasonography, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jian-Min Li
- Department of Pathology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yu-Lei Ma
- Department of Ultrasonography, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Department of Ultrasonography of Central China Fuwai Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China
| | - Ning Yan
- Department of Ultrasonography, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Department of Ultrasonography of Central China Fuwai Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China
| | - Xin-Qiao Tian
- Department of Ultrasonography, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Department of Ultrasonography of Central China Fuwai Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China
| | - Ying-Zheng Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China.,Engineering Laboratory of Zhejiang Province for Pharmaceutical Development of 6 Growth Factors, Biomedical Collaborative Innovation Center of Wenzhou, Wenzhou, China
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Cohen A, Angoulvant D. Cardiomyopathie du diabétique, dépistage et épidémiologie. ARCHIVES OF CARDIOVASCULAR DISEASES SUPPLEMENTS 2019. [DOI: 10.1016/s1878-6480(19)30963-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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