کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8632191 | 1568994 | 2018 | 53 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
An overview of type 2 diabetes and importance of vitamin D3-vitamin D receptor interaction in pancreatic β-cells
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کلمات کلیدی
Ins1MafAPdx1Ins2GLUT2VDREVDRCYP24A1Oct4Pax6GCG1,25(OH)2D3 - 1،25 (OH) 2D3Insulin release - انتشار انسولینinsulin 1 - انسولین 1insulin 2 - انسولین 2Paired box 6 - جعبه زوج 6Type 2 diabetes - دیابت نوع 2vitamin D response element - عنصر پاسخ ویتامین D استoctamer-binding transcription factor 4 - فاکتور رونویسی اتصال دهنده octamer 4Drip - قطرهGlucagon - گلوکاگونglucose transporter 2 - گلوکز 2Vitamin D receptor - گیرنده ویتامین D
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
علوم غدد
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
One significant health issue that plagues contemporary society is that of Type 2 diabetes (T2D). This disease is characterised by higher-than-average blood glucose levels as a result of a combination of insulin resistance and insufficient insulin secretions from the β-cells of pancreatic islets of Langerhans. Previous developmental research into the pancreas has identified how early precursor genes of pancreatic β-cells, such as Cpal, Ngn3, NeuroD, Ptf1a, and cMyc, play an essential role in the differentiation of these cells. Furthermore, β-cell molecular characterization has also revealed the specific role of β-cell-markers, such as Glut2, MafA, Ins1, Ins2, and Pdx1 in insulin expression. The expression of these genes appears to be suppressed in the T2D β-cells, along with the reappearance of the early endocrine marker genes. Glucose transporters transport glucose into β-cells, thereby controlling insulin release during hyperglycaemia. This stimulates glycolysis through rises in intracellular calcium (a process enhanced by vitamin D) (Norman et al., 1980), activating 2 of 4 proteinases. The rise in calcium activates half of pancreatic β-cell proinsulinases, thus releasing free insulin from granules. The synthesis of ATP from glucose by glycolysis, Krebs cycle and oxidative phosphorylation plays a role in insulin release. Some studies have found that the β-cells contain high levels of the vitamin D receptor; however, the role that this plays in maintaining the maturity of the β-cells remains unknown. Further research is required to develop a more in-depth understanding of the role VDR plays in β-cell function and the processes by which the beta cell function is preserved.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Diabetes and its Complications - Volume 32, Issue 4, April 2018, Pages 429-443
Journal: Journal of Diabetes and its Complications - Volume 32, Issue 4, April 2018, Pages 429-443
نویسندگان
Abraham Neelankal John, Fang-Xu Jiang,