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| http://purl.uniprot.org/citations/24284068 | http://www.w3.org/2000/01/rdf-schema#comment | "Synaptotagmin-like protein 2 (Slp2-a/Sytl2) is a Rab27 effector protein that regulates transport of Rab27-bearing vesicles and organelles through its N-terminal Rab27-binding domain and a phospholipid-binding C2A domain. Here we demonstrate a Rab27-independent function of Slp2-a in the control of renal cell size through a previously uncharacterized C2B domain. We found that by recruiting Rap1 GAPs to the plasma membrane of MDCK II cells through the C2B domain, Slp2-a inactivates Rap signaling and modulates the size of the cells. Functional ablation of Slp2-a resulted in an increase in the size of MDCK II cells. Drosophila Slp Bitesize was found to compensate for the function of Slp2-a in MDCK II cells, thereby indicating that the mechanism of the cell size control by Slp proteins has been evolutionarily conserved. Interestingly, blockade of the activity of ezrin, a downstream target of Rap, with the glucosylceramide synthase inhibitor, miglustat, effectively inhibited cell spreading of Slp2-a-knockdown cells. We also discovered aberrant expression of Slp2-a and increased activity of ezrin in pcy (Nphp3(pcy)) mice, a model of polycystic kidney disease that is characterized by renal cell spreading. Our findings indicate that Slp2-a controls renal cell size through regulation of Rap-ezrin signaling independently of Rab27."xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.org/dc/terms/identifier | "doi:10.1242/jcs.134056"xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/author | "Fukuda M."xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/author | "Yasuda T."xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/date | "2014"xsd:gYear |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/name | "J Cell Sci"xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/pages | "557-570"xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/title | "Slp2-a controls renal epithelial cell size through regulation of Rap-ezrin signaling independently of Rab27."xsd:string |
| http://purl.uniprot.org/citations/24284068 | http://purl.uniprot.org/core/volume | "127"xsd:string |
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