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Type 2 diabetes mellitus (T2DM) is a heterogeneous condition that is related to both defective insulin secretion and peripheral insulin resistance. Beta cells are the major organ for secreting insulin hence, it is important to maintain an adequate beta-cell mass in response to various changes. Insulin resistance is a major cause of T2DM leads to elevated free fatty acid (FFA) levels which increases beta-cell mass and insulin secretion to compensate for insulin insensitivity. Chronic increase of plasma FFA levels results in disturbances in lipid metabolism, which contributes to decreased beta-cell function and lipotoxicity thus promoting T2DM. In the present review, we have discussed the process of beta-cell destruction, the role of genes in contributing to the fast increase in the progression of T2DM in detail. More than 130 variants in various T2DM susceptibility and candidate genes have been discovered to be associated with T2DM. Still, these variants elucidate only a small amount of total heritability of T2DM. Further, there is also an inventory of presently used therapeutic tools and a review of novel therapeutic approaches like incretin-based therapies or sodium-glucose transporter-2 inhibitors. Additionally, providing a concise but comprehensive update, this review will be essential to every clinician involved in the treatment of diabetes mellitus.

Spexin, a novel 14-amino acid peptide, has multiple physiological functions. The purpose of this paper was to systematically evaluate the current literature on the role of Spexin neuropeptide in obesity and its related comorbidities, food intake and overall metabolic status in human, animal and in vitro studies.

Multiple databases, including PubMed, EMBASE, ProQuest, Scopus and Google Scholar were searched for English-language papers published since inception until December 2018, that investigated Spexin levels in relation to chronic metabolic diseases, overall metabolism control and feeding-related behaviors.The quality of the included observational studies was assessed by a version of the Newcastle Ottawa Scale (NOS) designed for non-randomized studies and SYRCLE's assessment tool for animal models.

Out of 224 records screened, search results led to a total of 24 related studies (12 human studies (ten cross-sectional studies, one cohort study, and one longitudinal study) and 12 studies in either animals or in vitro).Nine of the included cross-sectional studies and one Longitudinal study had moderate to good study quality, and one cross-sectional and one cohort study had high-quality (or low risk of bias).

It appears that Spexin has a positive impact on overall metabolic status. As a novel appetite-regulating peptide, Spexin can act as an anorexigenic factor. Information about Spexin is very limited, and well-designed randomized controlled clinical trials are warranted for replicating, validating, and extending the current findings.

CRD42018117198).

CRD42018117198).

This study aims to systematically review the randomized controlled trials that address the effectiveness and safety of herbal medicine in patients with type 1 diabetes.

The Cochrane Library (latest issue); MEDLINE (until recent); EMBASE (until recent); AMED (Allied and Complementary Medicine Database) (until recent); and CINHAL (until recent) were searched electronically for the identification of trials until October 2019. Articles were initially screened based on title and abstract and then by full text by two independent authors. References of retrieved studies were hand-searched for further studies. Risk of bias was assessed according to the Cochrane handbook of systematic reviews of interventions. The results were summarized into GRADE (grading of recommendations, assessment, development and evaluation) tables. No meta-analysis was applicable as only one study was found for each intervention.

Four RCTs were finally included in the systematic review with an overall moderate quality of conduct and low quality of reporting. The sample sizes were very small. The results of these RCTs show that cinnamon pills and Berberine/Silymarine compound capsules may decrease blood glucose indices from baseline, while fenugreek seeds and fig leaf decoction do not show any statistically significant effect.

The evidence is scarce and no recommendations can be made based on current evidence. Further trials with more rigorous methodology and stronger quality of reporting are needed to make conclusions.

The evidence is scarce and no recommendations can be made based on current evidence. Further trials with more rigorous methodology and stronger quality of reporting are needed to make conclusions.

Prevalence of skin lesions among diabetic patients is a major health concern. Therefore, this systematic review and meta-analysis study was conducted to determine the prevalence of skin lesions in diabetic patients.

To identify and select relevant articles, the SID, MagIran, IranMedex, IranDoc, Google Scholar, Cochrane, Embase, ScienceDirect, Scopus, PubMed, and Web of Science (WoS) databases were searched without a lower time limit and until April 2020. The random effects model was used to perform the analysis, and the heterogeneity of studies was assessed using the I

index. Data were analyzed within the Comprehensive Meta-Analysis (Version 2) software.

After evaluating the 22 final articles with a total sample size of 8406, the prevalence of skin lesions among diabetes patients were found as 70.3% (95% CI 63-76.7%). Moreover, according to the meta-regression analysis, the effect of 'sample size' on th prevalence of skin lesions was significantly different in diabetes patients (

< 0.05).

The results of this study show that skin lesions are common in diabetes patients. Therefore, appropriate policies needs to be adopted to improve the situation and to monitor patients and outcomes at all levels.

The results of this study show that skin lesions are common in diabetes patients. Therefore, appropriate policies needs to be adopted to improve the situation and to monitor patients and outcomes at all levels.

Several trials investigated the efficacy of L-carnitine administration on markers of inflammation and indicators of oxidative stress; however, their findings are controversial. The aim of this study was to conduct a comprehensive meta-analysis and a critical review, which would analyze all randomized controlled trials (RCTs) in order to determine the effects of L-carnitine supplementation on inflammatory markers and oxidative stress.

An electronic search was performed using Scopus, Cochrane Library, PubMed, Google scholar and Web of Science databases on publications from 1990 up to May 2020. Human RCTs conducted in healthy subjects or participants with certain disorders which investigating the efficacy of L-carnitine supplementation compared to control (placebo, usual treatment or no intervention) on inflammation and oxidative markers were included. Data were pooled applying a random-effects model and as the overall effect size, weighted mean difference (WMD) was presented. Triptolide Between heterogeneity among studies was computed using Cochran's Q test and I-square (I

).