miRNAs as cornerstones in diabetic microvascular complications
Ahmed Ismail1, Hesham A El-Mahdy1, Mahmoud Gomaa Eldeib2
1Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt.
Abstract:
Diabetes mellitus is usually accompanied by nephropathy, retinopathy, and neuropathy as microvascular complications. MicroRNAs (miRNAs) can affect the kidney, retina, and peripheral neurons through their implication in pathways involved in angiogenesis, inflammation, apoptosis, as well as fibrosis within these tissues and hence, play a crucial role in the pathogenesis of microvascular complications. In this review, the updated knowledge of the role of miRNAs in the pathogenesis of diabetic microvascular complications was summarized. PubMed Central was searched extensively to retrieve data from a wide range of reputable biomedical reports/articles published after the year 2000 to systematically collect and present a review of the key molecular pathways mediating the hyperglycemia-induced adverse effects on vascular tissues, particularly in persons with T2DM. In the present review, miR-126, miR-29b, and miR-125a are implicated in diabetes-induced microvascular complications, while miR-146a is found to be connected to all these complications. Also, vascular endothelial growth factors are noted to be the most impacted targets by miRNAs in all diabetic microvascular problems.
Insights
MicroRNAs (miRNAs) are key players in diabetic microvascular complications like nephropathy and retinopathy. Specific miRNAs, such as miR-146a, significantly impact these conditions by targeting vascular endothelial growth factors.
Area of Science:
- Endocrinology
- Molecular Biology
- Genetics
Background:
- Diabetic microvascular complications, including nephropathy, retinopathy, and neuropathy, are common.
- MicroRNAs (miRNAs) are implicated in the pathogenesis of these complications by regulating key cellular pathways.
Purpose of the Study:
- To review updated knowledge on the role of miRNAs in diabetic microvascular complications.
- To summarize molecular pathways mediating hyperglycemia-induced vascular damage in type 2 diabetes mellitus (T2DM).
Main Methods:
- Extensive literature search of PubMed Central for articles published after 2000.
- Systematic collection and presentation of data on miRNA involvement in diabetic microvascular complications.
Main Results:
- miR-126, miR-29b, and miR-125a are involved in diabetes-induced microvascular issues.
- miR-146a is linked to all examined microvascular complications.
- Vascular endothelial growth factors are the primary miRNA targets in these conditions.
Conclusions:
- miRNAs play a critical role in the pathogenesis of diabetic microvascular complications.
- Understanding miRNA roles offers insights into potential therapeutic targets for T2DM vascular complications.
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