Mdia1 is Crucial for Advanced Glycation End Product-Induced Endothelial Hyperpermeability

Cellular Physiology and Biochemistry : International Journal of Experimental Cellular Physiology, Biochemistry, and Pharmacology
Xiaoyan ZhouXiao-Hua Guo

Abstract

Disruption of endothelial barrier integrity in response to advanced glycation end products (AEGs) stimulation contributes to vasculopathy associated with diabetes mellitus. Mammalian diaphanous-related formin (mDia1) has been reported to bind to the cytoplasmic domain of the receptor for advanced glycation end products (RAGE), which induces a series of cellular processes. This study directly evaluated the participation of mDia1 in AGE-induced hyperpermeability and revealed the precise intracellular signal transductions of this pathological process. Human umbilical vein endothelial cells (HUVECs) were used in the in vitro studies. Trans-endothelial electric resistance and permeability coefficient for dextran (Pd) were measured to analyze cell permeability. Western blotting, immunofluorescence staining and flow cytometry assay were performed to investigate the underlying mechanism. Dextran flux across the mesentery in mice was monitored to investigate in vivo microvascular permeability. we found that AGEs evoked Nox4 membrane translocation, reactive oxygen species production, phosphorylation of Src and VE-cadherin, dissociation of adherens junctions and eventual endothelial hyperpermeability through RAGE-mDia1 binding. Cells over...Continue Reading

Citations

Feb 23, 2019·Arteriosclerosis, Thrombosis, and Vascular Biology·Ann Marie Schmidt
Dec 26, 2019·Scientific Reports·Clarissa Strieder-BarbozaRobert W O'Rourke
Aug 31, 2021·Frontiers in Cardiovascular Medicine·Haicheng LiYanming Chen
Aug 28, 2021·The European Journal of Neuroscience·Kamila Zglejc-WaszakJudyta Karolina Juranek

❮ Previous
Next ❯

Related Concepts

Related Feeds

Basal Ganglia Cerebrovascular Disease

Basal ganglia cerebrovascular disease is a condition where the blood vessels in the basal ganglia are damaged or malfunction. Discover the latest research on basal ganglia cerebrovascular disease here.

Adherens Junctions

An adherens junction is defined as a cell junction whose cytoplasmic face is linked to the actin cytoskeleton. They can appear as bands encircling the cell (zonula adherens) or as spots of attachment to the extracellular matrix (adhesion plaques). Adherens junctions uniquely disassemble in uterine epithelial cells to allow the blastocyst to penetrate between epithelial cells. Discover the latest research on adherens junctions here.

Basal Ganglia

Basal Ganglia are a group of subcortical nuclei in the brain associated with control of voluntary motor movements, procedural and habit learning, emotion, and cognition. Here is the latest research.