BackgroundThe global incidence of thyroid cancer (TC) has increased significantly over the past decades. In Saudi Arabia, it is the third most common cancer among adults. This study aims to review the clinical and histopathological characteristics of TC in Saudi Arabia and analyze the size trend over the years. MethodsWe conducted a retrospective chart review of all differentiated and poorly differentiated TC patients following up at a tertiary care center in the Western region of Saudi Arabia. All patients 11 years and older, diagnosed between 2004 -2018, and with sufficient histopathological data were included.
Objectives: To investigate the serum levels of nesfatin-1 and galanin in patients with metabolic syndrome (MetS), and also to show their association with the parameters of the disease. Methods: We performed a case-control study with 84 participants (44 patients with MetS diagnosed according to the American Heart Association/National Heart, Lung, and Blood Institute and International Diabetes Federation criteria and 40 control group) were recruited from King Abdulaziz University Hospital, Jeddah, Saudi Arabia, between October 2014 and June 2015. Anthropometric parameters, biochemical markers as well as nesfatin-1 and galanin were measured. Results: Nesfatin-1 levels were found to be significantly lower and galanin levels significantly higher in MetS group compared to the control group. A significant negative correlation between serum nesfatin-1 and weight, waist circumference, and body mass index were observed. A significant positive correlation between serum galanin and with fasting blood glucose, glycosylated hemoglobin, homeostasis model assessment-insulin resistance, and triglycerides. Conclusion: Our findings indicated a lower level of nesfatin-1 and a higher level of galanin in patients with MetS, suggesting a role of these neuropeptides in the pathogenesis of this disease.
IntroductionType 2 diabetes mellitus (T2DM) is a major global health problem that is progressively affected by genetic and environmental factors. The aim of this study is to determine the influence of solute carrier family 22 member 1 (SLC22A1) rs628031 and rs461473, and ataxia telangiectasia mutated (ATM) rs11212617 polymorphisms on the risk of T2DM in Saudi Arabia by considering many parameters associated with glycemic control of T2DM, such as body mass index (BMI), fasting blood glucose, glycated hemoglobin (HbA1c), and triglyceride.MethodsIn a case-control study, genomic DNA from controls and diabetic groups was isolated and genotyped for each single-nucleotide polymorphism.ResultsThere were significant correlations between T2DM and both BMI and HbA1c. Significant associations between G/G and A/G genotypes of rs628031 and rs461473 variants of SLC22A1 and high levels of HbA1c were detected. Therefore, G was predicted to be the risk allele among the assessed SLC22A1 variants. A significant correlation was observed between A/A and A/C genotypes of the rs11212617 polymorphism of ATM and elevated HbA1c. Relative risk calculation confirmed A to be the risk allele in the T2DM population.ConclusionOur study showed the risk of the assessed SLC22A1 and ATM variants on glycemic control parameters in diabetic patients.
Background: Type 2 diabetes, or T2D, is a metabolic disease that results in insulin resistance. In the present study, we hypothesize that metabolomic analysis in blood samples of T2D patients sharing the same ethnic background can recover new metabolic biomarkers and pathways that elucidate early diagnosis and predict the incidence of T2D. Methods: The study included 34 T2D patients and 33 healthy volunteers recruited between the years 2012 and 2013; the secondary metabolites were extracted from blood samples and analyzed using HPLC. Results: Principal coordinate analysis and hierarchical clustering patterns for the uncharacterized negatively and positively charged metabolites indicated that samples from healthy individuals and T2D patients were largely separated with only a few exceptions. The inspection of the top 10% secondary metabolites indicated an increase in fucose, tryptophan and choline levels in the T2D patients, while there was a reduction in carnitine, homoserine, allothreonine, serine and betaine as compared to healthy individuals. These metabolites participate mainly in three cross-talking pathways, namely "glucagon signaling", "glycine, serine and threonine" and "bile secretion". Reduced level of carnitine in T2D patients is known to participate in the impaired insulin-stimulated glucose utilization, while reduced betaine level in T2D patients is known as a common feature of this metabolic syndrome and can result in the reduced glycine production and the occurrence of insulin resistance. However, reduced levels of serine, homoserine and allothrionine, substrates for glycine production, indicate the depletion of glycine, thus possibly impair insulin sensitivity in T2D patients of the present study. Conclusion: We introduce serine, homoserine and allothrionine as new potential biomarkers of T2D.
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