Relation of Circulating Resistin to Insulin Resistance in Type 2 Diabetes and Obesity: A Systematic Review and Meta-Analysis

Background: Resistin, a cysteine-rich polypeptide encoded by the RETN gene, which plays an important role in many mechanisms in rodent studies, including lipid metabolism, inflammation and insulin resistance. Nevertheless, the relationship between resistin and insulin resistance in humans is under debate. The present study was designed to clarify the correlation between resistin and insulin resistance.Methods: A systematic literature search was performed using PubMed, Embase and Cochrane Library until March 3, 2019 with the keywords “resistin” and “insulin resistance.” Funnel plots and Egger's test were used to detect publication bias. A random-effects model was used to calculate the pooled effect size. Subgroup analysis and meta regression was performed to identify the sources of heterogeneity.Results: Fifteen studies were included in our systematic review. Among them, 10 studies with Pearson coefficients were used for meta-analysis. We found resistin levels were weakly correlated with insulin resistance in those with T2DM and obesity (r = 0.21, 95% CI: 0.06–0.35, I2 = 59.7%, P = 0.003). Nevertheless, subgroup analysis suggested that circulating resistin levels were significantly positively correlated with insulin resistance in individuals with hyperresistinemia (≥14.8 ng/ml) (r = 0.52, 95% CI: 0.35–0.68, I2 = 0.0%, P = 0.513). And there was no relationship between circulating resistin and insulin resistance in those with normal circula...
Source: Frontiers in Physiology - Category: Physiology Source Type: research

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AbstractCardiovascular diseases (CVD) are one of the leading causes of death worldwide. Testosterone (T) is an important sex hormone that triggers several genomic and non-genomic pathways, leading to improvements of several cardiovascular risk factors and quality of life in men. At the vascular level, the key effect of T is the vasorelaxation. This review discusses the molecular pathways and clinical implications of T in the vascular system. Firstly, the mechanisms involved in the T vasodilator effect will be presented. Then, it will be discussed the association of T with the main risks for CVD, namely metabolic syndrome, ...
Source: Journal of Cardiovascular Translational Research - Category: Cardiology Source Type: research
ConclusionsBariatric surgery is more successful in diabetes remission and glucose outcome improvement in Asian populations with type 2 diabetes than in non-Asian populations, even over long-term follow-up periods. Bariatric surgery can be considered an effective treatment option and may present an appropriate opportunity to improve the prognosis for Asian patients with type 2 diabetes.
Source: Obesity Surgery - Category: Surgery Source Type: research
AbstractThe age-performance relationship describes changes in the organism ’s structural and functional capabilities over the course of the lifespan. The typical, empirical pattern is an asymmetrical inverted-U shape association with peak capacity occurring early in life. This process is well described in the literature, with an increasing interest in features that chara cterize this pattern, such as the rate of growth, age of peak performance, and rate of decline with aging. This is usually examined in cohorts of individuals followed over time with repeat assessments of physical or cognitive abilities. This framewor...
Source: Archives of Public Health - Category: International Medicine & Public Health Source Type: research
Fight Aging! publishes news and commentary relevant to the goal of ending all age-related disease, to be achieved by bringing the mechanisms of aging under the control of modern medicine. This weekly newsletter is sent to thousands of interested subscribers. To subscribe or unsubscribe from the newsletter, please visit: https://www.fightaging.org/newsletter/ Longevity Industry Consulting Services Reason, the founder of Fight Aging! and Repair Biotechnologies, offers strategic consulting services to investors, entrepreneurs, and others interested in the longevity industry and its complexities. To find out m...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
The objective of our study was to evaluate if the replacement of LCT by MCT in high-fat diets could prevent and/or reduce metabolic disorders. For this purpose, two cohorts of C57BL/6 mice were fed during 10 weeks with three isocaloric high-fat diets with variable MCT content. Cohort A was composed of lean mice while cohort B was composed of obese, insulin resistant mice. In cohort A, replacement of LCT by MCT preserved metabolic health, in part by triggering hepatic thermogenesis. We further found that medium chain fatty acids promote thermogenesis markers within cultured hepatocytes in a FFAR1/GPR40-dependent manner. I...
Source: Biochimica et Biophysica Acta (BBA) Molecular and Cell Biology of Lipids - Category: Lipidology Source Type: research
Authors: Chawla R, Jaggi S Abstract The intricate relationship between obesity and T2DM is well recognised, as evidenced by the coining of the term 'diabesity' by Dr Ethan Sims that encompasses the two.Most patients with type 2 diabetes are obese and the global rise in obesity largely explains the epidemic rise in incidence and prevalence of type 2 diabetes(T2DM) over the last few decades. Obesity has been linked to insulin resistance and predisposes to metabolic abnormalities including prediabetes, type diabetes and the metabolic syndrome.Weight reduction is an essential component to prevent progression from predi...
Source: Journal of the Association of Physicians of India - Category: General Medicine Tags: J Assoc Physicians India Source Type: research
The objective of this study was to determine the association of Computed tomography quantified visceral (VAT) and subcutaneous adipose tissue (SAT) with estimated glomerular filtration rate (eGFR) using CKD-EPI formula, diabetes mellitus, body mass index (BMI), proteinuria, lipid profile, and hypertension. Increased adipose tissue is the primary phenotypic characteristic of obesity. The amount and distribution of adipose tissue is associated with many adverse consequences, as hypertension, type 2 diabetes, cardiovascular disease etc. Abdominal CT with semi-automated software can quantify adipose tissue and predict the risk...
Source: Journal of the Association of Physicians of India - Category: General Medicine Tags: J Assoc Physicians India Source Type: research
Conclusion: This pilot study showed that a diabetes specific nutritional supplement was useful in improving glycemic control and reducing glycemic response in overweight and obese Asian Indian adults with T2DM. PMID: 31801326 [PubMed - in process]
Source: Journal of the Association of Physicians of India - Category: General Medicine Tags: J Assoc Physicians India Source Type: research
ska M Abstract In the study, 305 patients of both genders were enrolled and divided into three groups: obese (BMI> 30 kg/m2), patients who were diagnosed type 2 diabetes mellitus (T2DM), and control, normal weight healthy volunteers. At least one of ten different phthalate metabolites was determined in the urine samples of 49.84% all enrolled participants. In the obese subgroup, the sum of all urinary phthalate metabolites was positively associated with TG levels (p = 0.031) together with derived TC/HDL and TG/HDL ratios (p = 0.023 and 0.015), respectively. Urinary MEP concentration was positively correlated wi...
Source: Environmental Science and Pollution Research International - Category: Environmental Health Authors: Tags: Environ Sci Pollut Res Int Source Type: research
ConclusionsChildren with obesity and increased liver transaminases as surrogates of NAFLD should be screened for T2DM.
Source: Pediatric Obesity - Category: Eating Disorders & Weight Management Authors: Tags: ORIGINAL RESEARCH Source Type: research
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