Journal
FRONTIERS IN PHYSIOLOGY
Volume 11, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphys.2020.627800
Keywords
exosome; integrin; extracellular vesicle; kidney disease‐ diagnosis; kidney disease‐ therapy
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Funding
- National Natural Scientific Foundation of China [31671194, 81970616, 82030024, 81720108007]
- National Key R&D Program of China [2018YFC1314000]
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Integrins are transmembrane receptors that play essential roles in cellular adhesion, migration, communication, and signaling. Recent studies have shown that integrins are part of exosomal cargo and they are implicated in various pathophysiologic conditions, including kidney diseases such as fibrosis and glomerulosclerosis.
Integrins are transmembrane receptors that function as noncovalent heterodimers that mediate cellular adhesion and migration, cell to cell communication, and intracellular signaling activation. In kidney, latency associated peptide-transforming growth factor beta (TGF-beta) and soluble urokinase plasminogen activator receptor (suPAR) were found as the novel ligands of integrins that contribute to renal interstitial fibrosis and focal segmental glomerular sclerosis glomerulosclerosis (FSGS). Interestingly, recent studies revealed that integrins are the compositional cargo of exosomes. Increasing evidence suggested that exosomal integrin played critical roles in diverse pathophysiologic conditions such as tumor metastasis, neurological disorders, immunology regulation, and other processes. This review will focus on the biology and function of exosomal integrin, emphasizing its potential role in kidney disease as well as its implications in developing novel therapeutic and diagnosis approaches for kidney disease.
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