PIK3C3/VPS34, the class III PtdIns 3-kinase, plays indispensable roles in the podocyte

 Abstract

The mammalian homolog of yeast Vps34 (PIK3C3/VPS34) is implicated in the regulation of autophagy, and recent studies have suggested that autophagy is a key mechanism in maintaining the integrity of renal glomerular podocytes. To date, however, the role of PIK3C3 in podocytes has remained unknown. We generated a line of podocyte-specific Pik3c3-knockout (Pik3c3pdKO/mVps34pdKO) mice and demonstrated an indispensable role for PIK3C3 in the regulation of intracellular vesicle trafficking and processing to protect the normal cellular metabolism, structure and function of podocytes.

 Related Article:

J Chen, MX Chen, AB Fogo, RC Harris, JK Chen. mVps34 Deletion in Podocytes Causes Glomerulosclerosis by Disrupting Intracellular Vesicle Trafficking. J Am Soc Nephrol 2013; 24: 198- 207.
PMID: 23291473 DOI: 10.1681/ASN.2012010101

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Pages
923 - 924
doi
10.4161/auto.24230
Type
Autophagic Punctum
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PIK3C3/VPS34, the class III PtdIns 3-kinase, plays indispensable roles in the podocyte