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Analysis of the regulation pathways via microarray and miRNA studies: human embryonic stem cells to treat diabetes mellitus type-II.

ABSTRACT: Diabetes mellitus occurs either due to an autoimmune destruction of ? cells (Type 1) or resistance to insulin effects (Type 2). Diverse conventional medications are used for treatment of diabetes, which is associated with long term complications such as kidney failure, blindness, and stroke. We recently showed the potential of human embryonic stem cells (hESCs) in 95 patients with type 2 diabetes. In the present study, we use the microarray and miRNA studies to prove why hESCs are effective in diabetes. Three samples of hESCs were cultured and microarray technology was used for the analysis of diabetic pathways. The gene targets for miRNA were analyzed using gene ontology (GO) and DAVID database. Genes involved in the diabetic pathways were classified in accordance with GO analysis. Pathways for these genes were determined using Reactome and Panther databases. The up and down-regulation of all the genes involved were confirmed with the significant p-values. Pathways for insulin secretion, binding and its positive regulation were up-regulated while the pathways for negative regulation of insulin were significantly down-regulated. hESCs cultured at our facility have the capability to regenerate the pancreatic ? cells after transplantation; as the insulin secretion pathways were significantly up-regulated.

SUBMITTER: Shroff G

PROVIDER: S-EPMC6013722 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Analysis of the regulation pathways via microarray and miRNA studies: human embryonic stem cells to treat diabetes mellitus type-II.

Shroff Geeta G Shroff Rhea R Gupta Rakesh R

American journal of stem cells 20180601 2

Diabetes mellitus occurs either due to an autoimmune destruction of β cells (Type 1) or resistance to insulin effects (Type 2). Diverse conventional medications are used for treatment of diabetes, which is associated with long term complications such as kidney failure, blindness, and stroke. We recently showed the potential of human embryonic stem cells (hESCs) in 95 patients with type 2 diabetes. In the present study, we use the microarray and miRNA studies to prove why hESCs are effective in d ...[more]

PMID: 29938125

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Project description:BackgroundN-acetyltransferase 2 (NAT2) enzyme is a Phase II drug-metabolizing enzyme that metabolizes different compounds. Genetic variations in NAT2 can influence the enzyme's activity and potentially lead to the development of certain diseases.AimThis study aimed to investigate the association of NAT2 variants with the risk of Type II diabetes mellitus (T2DM) and the lipid profile among Jordanian patients.MethodsWe sequenced the whole protein-coding region in NAT2 using Sanger's method among a sample of 45 Jordanian T2DM patients and 50 control subjects. Moreover, we analyzed the lipid profiles of the patients and examined any potential associations with NAT2 variants.ResultsThis study revealed that the heterozygous NAT2*13 C/T genotype is significantly (P = 0.03) more common among T2DM (44%) than non-T2DM subjects (23.5%). Furthermore, the frequency of homozygous NAT2*13 T/T genotype was found to be significantly higher (P = 0.03) among T2DM patients (26.7%) compared to that of non-T2DM subjects (11%). The heterozygous NAT2*7 G/A genotype was exclusively observed in T2DM patients (11.1%) and absent in the control non-T2DM group. Moreover, among T2DM patients, those with a homozygous NAT2*11 T/T genotype exhibited significantly higher levels of triglycerides (381.50 ± 9.19 ng/dL) with a P value of 0.01 compared to those with heterozygous NAT2*11 C/T (136.23 ± 51.12 ng/dL) or wild-type NAT2*11 C/C (193.65 ± 109.89 ng/dL) genotypes. T2DM patients with homozygous NAT2*12 G/G genotype had a significantly (P = 0.04) higher triglyceride levels (275.67 ± 183.42 ng/dL) than the heterozygous NAT2*12 A/G (140.02 ± 49.53 ng/dL) and the wild NAT2*12 A/A (193.65 ± 109.89 ng/dL).ConclusionThe finding in this study suggests that the NAT2 gene is a potential biomarker for the development of T2DM and changes in triglyceride levels among Jordanians. However, it is important to note that our sample size was limited; therefore, further clinical studies with a larger cohort are necessary to validate these findings.

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Analysis of the regulation pathways via microarray and miRNA studies: human embryonic stem cells to treat diabetes mellitus type-II.

Publications

Analysis of the regulation pathways via microarray and miRNA studies: human embryonic stem cells to treat diabetes mellitus type-II.

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