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Kumar R, Kumar U, Trivedi S. Comparison of Risk Factors for Erectile Dysfunction (ED) in Type 2 Diabetics and Nondiabetics: A Retrospective Observational Study. Cureus 2023; 15:e44576. [PMID: 37790032 PMCID: PMC10545003 DOI: 10.7759/cureus.44576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND AND AIMS We aim to compare the various risk factors for erectile dysfunction (ED) in type 2 diabetes mellitus (DM) and nondiabetic patients. MATERIALS AND METHODS We retrospectively collected and evaluated the data of 175 OPD patients with ED. We included 138 patients of ED from endocrinology and urology OPD after exclusion. ED was assessed by using a questionnaire adapted from the abridged five-item version of the International Index of Erectile Function (IIEF-5) score. RESULTS A total of 96 (69.56%) were diabetic, and 42 (30.43%) were nondiabetic. The majority of patients (62.31 %) were in the age group of 40-60 years. Thirty-nine (28.26%) were alcoholics, and 55 (40%) were smokers. The average duration of diabetes was 6.6±1.5 years. Hypertension was present in 49 (35.5%). Diabetic patients were significantly older (47.9±8.2 vs. 40.2±7.6 years, p=0.0001) and obese (BMI (kg/m2), 27.3±5.4 vs. 24.6±3.9, p=0.004). Waist circumference in diabetics was 95.3±10.9, as compared to nondiabetics, which was 89.6±9.2 cm (p=0.0037). The IIEF-5 score was significantly lower in diabetic subjects in comparison to nondiabetics (9.4±3.2 vs. 12.1±3.6 p=0.0001). Moderate-to-severe ED was more common in diabetic patients (76%) in comparison to nondiabetics (59.5%). The prevalence of mild and mild-to-moderate ED was 11.45 % and 12.5 % in diabetic patients in comparison to 16.7% and 23.5% in nondiabetics, respectively. The prevalence of hypertension and coronary artery was higher in diabetics in comparison with nondiabetics. Hypertension was significantly higher in diabetic patients with ED (42.7% vs. 19.04%, p=0.0075), but coronary artery disease was not statistically significant (8.3% vs. 2.3%, p=0.1925). LH (2.6±0.7 vs. 3.5±0, p=0.0001) and testosterone (312.1±110.7 vs. 367.8±115.1, p=0.0081) were significantly lower in diabetics in comparison to nondiabetics. CONCLUSIONS The IIEF-5 score was lower in diabetic cases as compared to those without diabetes. The factors that significantly contributed to ED in type 2 DM patients, as compared to nondiabetic patients, were age, BMI, waist circumference, hypertension, poor glycemic control, LH, and testosterone levels.
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Affiliation(s)
- Ritesh Kumar
- Department of Endocrinology, Diabetes and Metabolism, Institute of Medical Sciences, Banaras Hindu University, Varanasi, IND
| | - Ujwal Kumar
- Department of Urology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, IND
| | - Sameer Trivedi
- Department of Urology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, IND
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Melo BF, Prieto-Lloret J, Cabral MD, Martins FO, Martins IB, Sacramento JF, Ruivo P, Carvalho T, Conde SV. Type 2 diabetes progression differently affects endothelial function and vascular contractility in the aorta and the pulmonary artery. Sci Rep 2021; 11:6052. [PMID: 33723367 PMCID: PMC7960698 DOI: 10.1038/s41598-021-85606-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 02/19/2021] [Indexed: 01/31/2023] Open
Abstract
Type 2 diabetes (T2D) is associated with cardiovascular and pulmonary disease. How T2D affects pulmonary endothelial function is not well characterized. We investigated the effects of T2D progression on contractility machinery and endothelial function in the pulmonary and systemic circulation and the mechanisms promoting the dysfunction, using pulmonary artery (PA) and aorta. A high-fat (HF, 3 weeks 60% lipid-rich diet) and a high-fat/high-sucrose (HFHSu, combined 60% lipid-rich diet and 35% sucrose during 25 weeks) groups were used as prediabetes and T2D rat models. We found that T2D progression differently affects endothelial function and vascular contractility in the aorta and PA, with the contractile machinery being altered in the PA and aorta in prediabetes and T2D animals; and endothelial function being affected in both models in the aorta but only affected in the PA of T2D animals, meaning that PA is more resistant than aorta to endothelial dysfunction. Additionally, PA and systemic endothelial dysfunction in diabetic rats were associated with alterations in the nitrergic system and inflammatory pathways. PA dysfunction in T2D involves endothelial wall mineralization. The understanding of the mechanisms behind PA dysfunction in T2D can lead to significant advances in both preventative and therapeutic treatments of pulmonary disease-associated diabetes.
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MESH Headings
- Animals
- Aorta/metabolism
- Aorta/pathology
- Aorta/physiopathology
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/pathology
- Diabetes Mellitus, Experimental/physiopathology
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/pathology
- Diabetes Mellitus, Type 2/physiopathology
- Endothelium, Vascular/metabolism
- Endothelium, Vascular/pathology
- Endothelium, Vascular/physiopathology
- Male
- Pulmonary Artery/metabolism
- Pulmonary Artery/pathology
- Pulmonary Artery/physiopathology
- Rats
- Rats, Wistar
- Vasoconstriction
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Affiliation(s)
- Bernardete F Melo
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal
| | - Jesus Prieto-Lloret
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal
| | - Marlene D Cabral
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal
| | - Fatima O Martins
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal
| | - Inês B Martins
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal
| | - Joana F Sacramento
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal
| | - Pedro Ruivo
- Instituto de Medicina Molecular João Lobo Antunes, Lisbon, Portugal
| | - Tânia Carvalho
- Instituto de Medicina Molecular João Lobo Antunes, Lisbon, Portugal
- Champalimaud Research and Clinical Centre, Champalimaud Centre for the Unknown, Lisbon, Portugal
| | - Silvia V Conde
- iNOVA4Health, CEDOC, NOVA Medical School, NMS, Faculdade Ciências Médicas, Universidade Nova de Lisboa, Rua Camara Pestana, nº6, 6A, edificio II, piso 3, 1150-082, Lisbon, Portugal.
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3
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Effects of interval training on cardio metabolic risk factors and nitric oxide in type 2 diabetes patients: a randomized controlled trial. J Diabetes Metab Disord 2021; 19:669-674. [PMID: 33520794 DOI: 10.1007/s40200-019-00486-z] [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] [Received: 11/14/2019] [Accepted: 12/30/2019] [Indexed: 10/23/2022]
Abstract
Purpose The purpose of this study was to investigate the effects of interval training on cardio metabolic risk factors and nitric oxide in type 2 diabetes patients. Method This single blinded randomized controlled trial was conducted at cardiology clinic of Rajaee hospital in Karaj. Thirty female patients with type 2 diabetes randomly assigned to interval training exercise (n = 15) and control (n = 15). In interval training exercise patients received interval training exercise with 18 sessions (three sessions per week). Each training session took 25 min and consists a single set of exercise with 10 time repetitions. Training was performed on a cycle ergometer set in constant watt mode at a pedal cadence of 80-100 revolutions/min. Each repetition of the training takes 60 s and there will be a 60 s recovery pried between each repetition. Each training session include a 3-min warm-up and 2-min cool-down at 50 W for a total of 25 min. Blood samples and of all the subjects were taken at baseline, 3 weeks after intervention and at the end of the study (6 weeks). Results In intervention group, comparing with controls participants, a significant decrease were observed in levels of total cholesterol, triglyceride and HA1c after training program (p < 0.05). Moreover,exercise significantly increased the level of NOx (p < 0.05). Other cardiometabolic risk factors including SBP, DBP, FPG, LDL, HDL, insulin level, insulin resistance, HR, VO2 max, did not show significant differences between the two groups (p > 0.05). Conclusion Results of current study showed that interval training as a type of planned physical activity can be effective in lowering cardiovascular risk factors, especially lowering cholesterol and triglycerides, and can also have a beneficial effect on improving NO.
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Chen Z, Qin X, Zhang X, Liu B, Chen M. Upregulation of IL-4 signaling contributes to aerobic exercise-induced insulin sensitivity. Biochem Biophys Res Commun 2020; 525:662-667. [PMID: 32127173 DOI: 10.1016/j.bbrc.2020.02.103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 02/15/2020] [Indexed: 10/24/2022]
Abstract
Insulin resistance (IR) is an important pathological basis of obesity, diabetes and cardiovascular diseases, and emerging evidence demonstrates aerobic exercise as an efficient therapeutical tool in the management of IR and IR-related metabolic disease. Interleukin-4 (IL-4), an important anti-inflammatory cytokine, was recently proved to be involved in regulation of IR, yet the effect of IL-4 on exercise-induced insulin sensitivity and underlying mechanism was less investigated. In this study, using a mouse model of swimming exercise training (60 min/day, 5 days/week for 8 weeks), we found that long-term swimming exercise promoted insulin sensitivity compared with sedentary groups as indexed by the homeostasis model assessment of insulin resistance (HOMA-IR), glucose and insulin tolerance test. Accompanying with increased insulin sensitivity, swimming exercise increased serum IL-4 levels as well as insulin receptor substrate 1 (IRS-1) and protein kinase B (Akt) phosphorylation. Mechanistically, IL-4 treatment increased insulin-stimulated glucose uptake and Akt phosphorylation in skeletal muscle C2C12 cells, and inhibition of IL-4 signaling via ruxolitinib, a Janus kinase (JAK) inhibitor, attenuated IL-4-induced insulin sensitivity. Taken together, our results demonstrated IL-4 as a novel exercise factor contributing to exercise-induced insulin sensitivity, providing a potential therapeutical target of IR and related metabolic disease.
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Affiliation(s)
- Ziwei Chen
- School of Clinical Medicine, Xi'an Medical University, Xi'an, China
| | - Xinghua Qin
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Xudong Zhang
- School of Clinical Medicine, Xi'an Medical University, Xi'an, China
| | - Bibo Liu
- School of Clinical Medicine, Xi'an Medical University, Xi'an, China
| | - Mingwei Chen
- The Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi' an, China.
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Paiva PC, Figueiredo CA, Reis-Silva A, Francisca-Santos A, Paineiras-Domingos LL, Martins-Anjos E, Melo-Oliveira MES, Lourenço-Revelles GMG, Moreira-Marconi E, Guedes-Aguiar EO, Brandão AA, Neves MFT, Xavier VL, Borges DL, Lacerda ACR, Mendonça VA, Sonza A, Quinart H, Boyer FC, Taiar R, Sartorio A, Cochrane DJ, Bernardo-Filho M, Sá-Caputo DC. Acute and Cumulative Effects With Whole-Body Vibration Exercises Using 2 Biomechanical Conditions on the Flexibility and Rating of Perceived Exertion in Individuals With Metabolic Syndrome: A Randomized Clinical Trial Pilot Study. Dose Response 2019; 17:1559325819886495. [PMID: 31802991 PMCID: PMC6876186 DOI: 10.1177/1559325819886495] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 09/27/2019] [Accepted: 10/08/2019] [Indexed: 12/18/2022] Open
Abstract
This study evaluated the effects of 6 weeks of whole-body vibration (WBV) exercise on flexibility and the rating of perceived exertion (RPE) in metabolic syndrome (MetS) individuals using 2 biomechanical conditions (fixed frequency [FF] and variable frequency [VF]). Nineteen MetS individuals were randomly allocated in FF-WBV (n = 9, 7 women and 2 men) and VF-WBV (n = 10, 8 women and 2 men) groups. Anterior trunk flexion (ATF) and RPE were determined before and after each session. The acute cumulative exposure effects were analyzed. The FF-WBV group was exposed to 5 Hz on a side alternating vibrating platform (SAVP), exposed to 10 and 50 seconds with the SAVP turned off. The VF-WBV group individuals were intermittently exposed (1 minute WBV exercise/1 minute rest) to 5 to 16 Hz, increased by 1 Hz per session and the peak-to-peak displacement (PPD) were 2.5, 5.0, and 7.5 mm. Regarding to ATF, significant improvements (P < .05) were observed in the in the acute (VF group) and cumulative intervention (FF and VF-WBV groups). The RPE significantly (P < .05) improved only in VF-WBV (cumulative intervention). In conclusion, WBV exercise improved the flexibility and decreased the RPE in MetS individuals. These findings suggest that WBV exercise can be incorporated into physical activities for MetS individuals.
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Affiliation(s)
- P. C. Paiva
- Mestrado Profissional em Saúde, Medicina Laboratorial e Tecnologia Forense, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - C. A. Figueiredo
- Mestrado Profissional em Saúde, Medicina Laboratorial e Tecnologia Forense, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - A. Reis-Silva
- Mestrado Profissional em Saúde, Medicina Laboratorial e Tecnologia Forense, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - A. Francisca-Santos
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Faculdade Bezerra de Araújo, Rio de Janeiro, Brazil
| | - L. L. Paineiras-Domingos
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Faculdade Bezerra de Araújo, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- L. L. Paineiras-Domingos, Departamento de Biofísica e Biometria, Laboratório de Vibrações Mecânicas e Práticas Integrativas, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Avenida 28 de setembro, 87 fundos, 4º andar, Vila Isabel, Rio de Janeiro 20551-030, Brazil.
| | - E. Martins-Anjos
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - M. E. S. Melo-Oliveira
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - G. M. G. Lourenço-Revelles
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - E. Moreira-Marconi
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Fisiopatologia Clínica e Experimental, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - E. O. Guedes-Aguiar
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal do Rio de Grande do Norte, Natal, Rio de Grande do Norte, Brazil
| | - A. A. Brandão
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Departamento de Cardiologia do Hospital Universitário Pedro Ernesto, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - M. F. T. Neves
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - V. L. Xavier
- Departamento de Estatística, Instituto de Matemática e Estatística, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - D. L. Borges
- Hospital Universitário, Universidade Federal do Maranhão, São Luís do Maranhão, MA, Brazil
| | - A. C. R. Lacerda
- Faculdade de Ciências Biológicas e da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - V. A. Mendonça
- Faculdade de Ciências Biológicas e da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - A. Sonza
- Universidade do Estado de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - H. Quinart
- Institut de Formation en Masso-kinésithérapie, Reims, France
| | - F. C. Boyer
- Physical and Rehabilitation Medicine Department, Sebastopol Hospital, University of Reims Champagne-Ardenne, Reims, France
| | - R. Taiar
- GRESPI, Université de Reims, Reims, France
| | - A. Sartorio
- Division of Metabolic Diseases & Auxology, Istituto Auxologico Italiano, IRCCS, Experimental Laboratory for Auxo-endocrinological Research, Milan and Verbania, Italy
| | - D. J. Cochrane
- School of Sport, Exercise & Nutrition, Massey University, Palmerston North, New Zealand
| | - M. Bernardo-Filho
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - D. C. Sá-Caputo
- Laboratório de Vibrações Mecânicas e Práticas Integrativas, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes e Policlínica Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Faculdade Bezerra de Araújo, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
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Variability of electrochemical skin conductance for screening diabetes mellitus. Biomed Eng Lett 2019; 9:267-274. [PMID: 31168431 DOI: 10.1007/s13534-019-00111-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 04/02/2019] [Accepted: 04/11/2019] [Indexed: 12/18/2022] Open
Abstract
Electrochemical skin conductance (ESC) has been suggested as a noninvasive diabetic screening tool. We examined the relevance of ESC method for screening type 2 diabetes. A meal tolerance test (MTT) was conducted for 40 diabetic and 42 control subjects stratified by age, sex and body mass index (BMI). The glucose levels and ESC were measured before the MTT and every 30 min after meal intake up to 120 min. There was no correlation between the blood glucose level and ESC (r = 0.249) or ESC variability (ESCV) (r = - 0.173). ESC (ESCV) was higher (lower) in diabetic patients than in normal control (p = 0.02 for ESC and p = 0.06 for ESCV). Receiver operating characteristic analysis showed that the area under the curve (AUC) values of the ESC and ESCV were 0.654 and 0.691, respectively. The novel variable, ESCV, showed 5.7% higher AUC than ESC. Contrary to some previous reports, ESC values in diabetic patients was higher than in age, sex and BMI matched control group. In our study, ESC or ESCV showed a marginal accuracy to be used as a screening tool for diabetes mellitus.
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7
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Lareyre F, Moratal C, Zereg E, Carboni J, Panaïa-Ferrari P, Bayer P, Jean-Baptiste E, Hassen-Khodja R, Chinetti G, Raffort J. Association of abdominal aortic aneurysm diameter with insulin resistance index. Biochem Med (Zagreb) 2019; 28:030702. [PMID: 30429669 PMCID: PMC6214695 DOI: 10.11613/bm.2018.030702] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Accepted: 05/05/2018] [Indexed: 12/12/2022] Open
Abstract
Introduction Epidemiological studies have highlighted a negative association between diabetes and abdominal aortic aneurysm (AAA). The aim of this study was to investigate the association between insulin resistance and AAA size. Materials and methods This prospective cross sectional monocentric study analysed fasting blood samples from 55 patients with AAA eligible for surgical repair. They were divided into 2 groups according to the median AAA diameter: diameter < 50 mm (N = 28) and diameter > 50 mm (N = 27). The median ages were respectively 73 years (62 - 79) and 72 years (67 - 81). Glucose and fructosamine concentrations were determined by spectrophotometry; insulin and C-peptide using chemiluminescent technology. Homeostasis model assessment 2 calculator was used to estimate insulin resistance index (HOMA2 IR). Results There was no significant difference for fasting glucose concentration between the groups (6.1 vs. 5.9 mmol/L, P = 0.825). C-peptide and insulin concentrations, as well as HOMA2 IR index were significantly higher in patients with AAA > 50 mm (0.82 vs. 0.54 nmol/L, P = 0.012; 9 vs. 5 mU/L, P = 0.019 and 1.72 vs. 1.26, P = 0.028, respectively). No linear correlation was identified between AAA diameter and HOMA2 IR. Fructosamine concentration was lower in patients with AAA > 50 mm (225.5 vs. 251 μmol/L, P = 0.005) and negatively correlated with AAA diameter (r = - 0.54, P < 0.001). Conclusion This study evidenced an association between AAA diameter and insulin resistance. Further studies are required to determine a causal link between insulin resistance and AAA development.
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Affiliation(s)
- Fabien Lareyre
- Department of Vascular Surgery, University Hospital of Nice, Nice, France.,Université Côte d'Azur, CHU, Inserm, C3M, Nice, France
| | | | - Elamine Zereg
- Department of Clinical Biochemistry, University Hospital of Nice, Nice, France
| | - Joseph Carboni
- Department of Vascular Surgery, University Hospital of Nice, Nice, France
| | - Patricia Panaïa-Ferrari
- Université Côte d'Azur, CHU, Inserm, C3M, Nice, France.,Department of Clinical Biochemistry, University Hospital of Nice, Nice, France
| | - Pascale Bayer
- Department of Clinical Biochemistry, University Hospital of Nice, Nice, France
| | - Elixène Jean-Baptiste
- Department of Vascular Surgery, University Hospital of Nice, Nice, France.,Université Côte d'Azur, CHU, Inserm, C3M, Nice, France
| | - Réda Hassen-Khodja
- Department of Vascular Surgery, University Hospital of Nice, Nice, France.,Université Côte d'Azur, CHU, Inserm, C3M, Nice, France
| | - Giulia Chinetti
- Université Côte d'Azur, CHU, Inserm, C3M, Nice, France.,Department of Clinical Biochemistry, University Hospital of Nice, Nice, France
| | - Juliette Raffort
- Université Côte d'Azur, CHU, Inserm, C3M, Nice, France.,Department of Clinical Biochemistry, University Hospital of Nice, Nice, France
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8
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Lan D, Shen X, Yuan W, Zhou Y, Huang Q. Sumoylation of PPARγ contributes to vascular endothelium insulin resistance through stabilizing the PPARγ-NcoR complex. J Cell Physiol 2019; 234:19663-19674. [PMID: 30982983 DOI: 10.1002/jcp.28567] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/27/2019] [Accepted: 03/06/2019] [Indexed: 12/28/2022]
Abstract
Sumoylation of peroxisome proliferator-activated receptor γ (PPARγ) affects its stabilization, sublocalization, and transcriptional activity. However, it remains largely unknown whether PPARγ sumoylation inhibits the transactivation effect, leading to endothelium insulin resistance (IR). To test this possibility, human umbilical vascular endothelial cells (HUVECs) with a 90% confluence were randomly allocated to two batches. One batch was first pretreated with or without vitamin E for 24 hr and the other infected with adenoviruses containing either PIAS1-shRNA (protein inhibitor of activated STAT1-short hairpin RNA) or scramble shRNA. Cells were suffered from high glucose and palmitic acid (PA) exposure for further 48 hr. The levels of PPARγ, p-IKK, IKK, and NcoR (nuclear corepressors) were measured by western blot analysis. The interaction of IKK and PIAS1, as well as the PPARγ sumoylation, were examined by coimmunoprecipitation. The results showed that the exposure of high glucose and PA induced reactive oxygen species (ROS) production and IKK activation in HUVECs, promoting the interaction of IKK and PIAS1 and the sumoylation of PPARγ. However, vitamin E and PIAS1-shRNA partially decreased ROS production and IKK activation induced by high glucose and PA exposure. These data indicate that ROS-IKK-PIAS1 pathway mediates PPARγ sumoylation, leading to endothelium IR via stabilizing PPARγ-NcoR complex. These findings benefit understanding of regulatory networks of insulin signaling, which might provide a potential target to prevent and cure IR-related diseases.
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Affiliation(s)
- Dongyi Lan
- The First Clinical Medical School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, People's Republic of China
- Key Provincial Laboratory of Basic Pharmacology, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Xiaodan Shen
- Key Provincial Laboratory of Basic Pharmacology, Nanchang University, Nanchang, Jiangxi, People's Republic of China
- Department of Pharmacology, School of Pharmacy, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Wanwan Yuan
- Key Provincial Laboratory of Basic Pharmacology, Nanchang University, Nanchang, Jiangxi, People's Republic of China
- Department of Pharmacology, School of Pharmacy, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Yumeng Zhou
- Key Provincial Laboratory of Basic Pharmacology, Nanchang University, Nanchang, Jiangxi, People's Republic of China
- Department of Pharmacology, School of Pharmacy, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Qiren Huang
- Key Provincial Laboratory of Basic Pharmacology, Nanchang University, Nanchang, Jiangxi, People's Republic of China
- Department of Pharmacology, School of Pharmacy, Nanchang University, Nanchang, Jiangxi, People's Republic of China
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Moon KH, Park SY, Kim YW. Obesity and Erectile Dysfunction: From Bench to Clinical Implication. World J Mens Health 2018; 37:138-147. [PMID: 30079640 PMCID: PMC6479091 DOI: 10.5534/wjmh.180026] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 05/17/2018] [Accepted: 05/23/2018] [Indexed: 12/25/2022] Open
Abstract
Obesity is a major public health issue worldwide and is frequently associated with erectile dysfunction (ED). Both conditions may share an internal pathologic environment, also known as common soil. Their main pathophysiologic processes are oxidative stress, inflammation, and resultant insulin and leptin resistance. Moreover, the severity of ED is correlated with comorbid medical conditions, including obesity. Therefore, amelioration of these comorbidities may increase the efficacy of ED treatment with phosphodiesterase 5 inhibitors, the first-line medication for patients with ED. Although metformin was originally developed as an insulin sensitizer six decades ago, it has also been shown to improve leptin resistance. In addition, metformin has been reported to reduce oxidative stress, inflammatory response, and body weight, as well as improve ED, in animal and human studies. Moreover, administration of a combination of metformin and phosphodiesterase 5 inhibitors improves erectile function in patients with ED who have a poor response to sildenafil and are insulin resistant. Thus, concomitant treatment of metabolic derangements associated with obesity in patients with ED who are obese would improve the efficacy and reduce the refractory response to penile vasodilators. In this review, we discuss the connecting factors between obesity and ED and the possible combined treatment modalities.
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Affiliation(s)
- Ki Hak Moon
- Department of Urology, Yeungnam University College of Medicine, Daegu, Korea
| | - So Young Park
- Department of Physiology, Yeungnam University College of Medicine, Daegu, Korea
| | - Yong Woon Kim
- Department of Physiology, Yeungnam University College of Medicine, Daegu, Korea.
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10
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WITHDRAWN: Variability of electrochemical skin conductance as a noninvasive biomarker for screening diabetes mellitus. Diabetes Metab Syndr 2018. [DOI: 10.1016/j.dsx.2018.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Panchal SK, Bliss E, Brown L. Capsaicin in Metabolic Syndrome. Nutrients 2018; 10:E630. [PMID: 29772784 PMCID: PMC5986509 DOI: 10.3390/nu10050630] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 05/07/2018] [Accepted: 05/14/2018] [Indexed: 12/21/2022] Open
Abstract
Capsaicin, the major active constituent of chilli, is an agonist on transient receptor potential vanilloid channel 1 (TRPV1). TRPV1 is present on many metabolically active tissues, making it a potentially relevant target for metabolic interventions. Insulin resistance and obesity, being the major components of metabolic syndrome, increase the risk for the development of cardiovascular disease, type 2 diabetes, and non-alcoholic fatty liver disease. In vitro and pre-clinical studies have established the effectiveness of low-dose dietary capsaicin in attenuating metabolic disorders. These responses of capsaicin are mediated through activation of TRPV1, which can then modulate processes such as browning of adipocytes, and activation of metabolic modulators including AMP-activated protein kinase (AMPK), peroxisome proliferator-activated receptor α (PPARα), uncoupling protein 1 (UCP1), and glucagon-like peptide 1 (GLP-1). Modulation of these pathways by capsaicin can increase fat oxidation, improve insulin sensitivity, decrease body fat, and improve heart and liver function. Identifying suitable ways of administering capsaicin at an effective dose would warrant its clinical use through the activation of TRPV1. This review highlights the mechanistic options to improve metabolic syndrome with capsaicin.
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Affiliation(s)
- Sunil K Panchal
- Functional Foods Research Group, University of Southern Queensland, Toowoomba QLD 4350, Australia.
| | - Edward Bliss
- Functional Foods Research Group, University of Southern Queensland, Toowoomba QLD 4350, Australia.
- School of Health and Wellbeing, University of Southern Queensland, Toowoomba QLD 4350, Australia.
| | - Lindsay Brown
- Functional Foods Research Group, University of Southern Queensland, Toowoomba QLD 4350, Australia.
- School of Health and Wellbeing, University of Southern Queensland, Toowoomba QLD 4350, Australia.
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Sun HJ, Cai WW, Gong LL, Wang X, Zhu XX, Wan MY, Wang PY, Qiu LY. FGF-2-mediated FGFR1 signaling in human microvascular endothelial cells is activated by vaccarin to promote angiogenesis. Biomed Pharmacother 2017; 95:144-152. [DOI: 10.1016/j.biopha.2017.08.059] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 08/06/2017] [Accepted: 08/11/2017] [Indexed: 12/11/2022] Open
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13
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Salusin-β mediates high glucose-induced endothelial injury via disruption of AMPK signaling pathway. Biochem Biophys Res Commun 2017. [DOI: 10.1016/j.bbrc.2017.06.126] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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