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Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cold+Spring+Harb+Perspect+Biol 2014 ; 6 (11): ä Nephropedia Template TP
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Rab Proteins and the Compartmentalization of the Endosomal System #MMPMID25341920
Wandinger-Ness A; Zerial M
Cold Spring Harb Perspect Biol 2014[Nov]; 6 (11): ä PMID25341920show ga
Of the approximately 70 human Rab GTPases, nearly three-quarters are involved in endocytic trafficking. Significant plasticity in endosomal membrane transport pathways is closely coupled to receptor signaling and Rab GTPase-regulated scaffolds. Here we review current literature pertaining to endocytic Rab GTPase localizations, functions, and coordination with regulatory proteins and effectors. The roles of Rab GTPases in (1) compartmentalization of the endocytic pathway into early, recycling, late, and lysosomal routes; (2) coordination of individual transport steps from vesicle budding to fusion; (3) effector interactomes; and (4) integration of GTPase and signaling cascades are discussed.