Related Experiment Video

Updated: Apr 30, 2026

Tear-Derived Exosomal miR-15a as New Diagnostic Tool for Diabetic Retinopathy
07:45

Tear-Derived Exosomal miR-15a as New Diagnostic Tool for Diabetic Retinopathy

Published on: December 30, 2025

809

Application of microRNAs in diabetes mellitus

Haiyong Chen1, Hui-Yao Lan1, Dimitrios H Roukos1

  • 1Li Ka Sing Faculty of MedicineSchool of Chinese Medicine, The University of Hong Kong, Pok Fu Lam, Hong KongDepartment of Medicine and TherapeuticsFaculty of Medicine, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Shatin, Hong KongCentre for Biosystems and Genome Network MedicineIoannina University, Ioannina, GreeceDepartment of Clinical OncologyQueen Elizabeth Hospital, Kowloon, Hong Kong.

The Journal of Endocrinology
|May 1, 2014
PubMed

Insights

MicroRNAs (miRNAs) regulate gene expression and are crucial in diabetes. This review explores their roles in insulin production, resistance, and potential as biomarkers for type 1 and type 2 diabetes.

Area of Science:

  • Molecular Biology
  • Endocrinology
  • Genetics

Background:

  • MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression post-transcriptionally.
  • Diabetes mellitus, encompassing Type 1 (T1D) and Type 2 (T2D), involves complex regulatory mechanisms.
  • Dysregulation of miRNAs is increasingly implicated in the pathogenesis of diabetes.

Purpose of the Study:

  • To review the multifaceted roles of miRNAs in the development and progression of T1D and T2D.
  • To elucidate miRNA involvement in pancreatic beta-cell function and insulin resistance.
  • To discuss the therapeutic and diagnostic potential of miRNAs in diabetes management.

Main Methods:

  • Literature review of studies on miRNA function in diabetes.
  • Analysis of miRNA regulation of insulin synthesis, secretion, and beta-cell fate.
  • Examination of miRNA impact on insulin sensitivity in peripheral tissues.

Main Results:

  • miRNAs modulate beta-cell electrical excitability, insulin exocytosis, synthesis, and islet mass.
  • Specific miRNAs are involved in insulin resistance pathways in the liver, fat, and skeletal muscle.
  • miRNAs show promise as biomarkers for T1D and T2D and as therapeutic targets.

Conclusions:

  • miRNAs are critical regulators in both beta-cell function and insulin sensitivity.
  • Targeting miRNAs offers potential therapeutic strategies for diabetes.
  • miRNAs represent valuable biomarkers for diabetes diagnosis and prognosis.
Keywords:
T1DT2Ddiabetesinsulin resistancemicroRNA

More Related Videos

MicroRNA In situ Hybridization for Formalin Fixed Kidney Tissues12:21

MicroRNA In situ Hybridization for Formalin Fixed Kidney Tissues

Published on: November 30, 2013

14.2K
Tissue-specific miRNA Expression Profiling in Mouse Heart Sections Using In Situ Hybridization08:22

Tissue-specific miRNA Expression Profiling in Mouse Heart Sections Using In Situ Hybridization

Published on: September 15, 2018

7.5K

Related Concept Videos

MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
3.0K
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After...
21.1K
MicroRNAs01:22

MicroRNAs

9.8K
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
55
Diabetes Mellitus: Introduction01:26

Diabetes Mellitus: Introduction

Diabetes mellitus consists of chronic metabolic disorders characterized by persistent hyperglycemia. This elevated blood glucose results from defects in insulin secretion, impaired insulin action, or both. Insulin, produced by pancreatic β-cells, is essential for maintaining glucose homeostasis by facilitating cellular glucose uptake for energy or storage. Disruptions in insulin production or function lead to glucose accumulation in the bloodstream, causing the clinical features and...
24
Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular...
75