Targeting Mitochondria-Associated Endoplasmic Reticulum Membranes (MAMs): A Novel Therapeutic Strategy for Diabetic
Jianmei Shi1,2, Xiaohan Sun1,3, Jiajun You1,3
1College of Basic Medicine, Guangxi University of Chinese Medicine, Nanning, Guangxi, 530200, People's Republic of China.
Summary
Mitochondria-associated endoplasmic reticulum membranes (MAMs) are crucial in diabetes pathogenesis. Dysfunctional MAMs contribute to complications, but holistic regulation strategies offer potential therapeutic avenues.
Area of Science:
- Cell Biology
- Endocrinology
- Metabolic Diseases
Background:
- Diabetes mellitus pathogenesis involves complex mechanisms with limited treatment options.
- Endoplasmic reticulum (ER) and mitochondria are key organelles in diabetes development.
- Mitochondria-associated endoplasmic reticulum membranes (MAMs) link ER and mitochondria, crucial for homeostasis.
Purpose of the Study:
- To review the structure, regulation, and function of MAMs.
- To elucidate the pathogenic roles of MAMs dysfunction in diabetes and its complications.
- To explore holistic regulatory strategies for treating diabetes complications.
Main Methods:
- Systematic review of existing literature on MAMs and diabetes.
- Analysis of MAMs' role in calcium signaling, lipid metabolism, mitochondrial dynamics, and cellular stress.
- Evaluation of preclinical intervention strategies targeting MAMs homeostasis.
Main Results:
- MAMs dysfunction is implicated in calcium signaling, lipid synthesis, mitochondrial dynamics, cellular stress, and cell death in diabetes.
- Holistic, multi-target regulatory strategies show potential for restoring MAMs homeostasis.
- Dysfunctional MAMs are central to diabetes pathogenesis and complications.
Conclusions:
- Understanding MAMs' role provides a theoretical basis for preclinical diabetes complication therapies.
- Holistic regulation of MAMs offers novel therapeutic perspectives.
- Clinical translation faces challenges including targeting, safety, and biomarker validation.
Related Concept Videos
01:27Diabetic 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...
01:46Electron Transport Chain: Complex I and II
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
ROS generation is regulated and maintained at moderate levels necessary...