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RAB8A / RAB8
RAB8A, member RAS oncogene family
The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different sets of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. That Rab is involved in polarized vesicular trafficking and neurotransmitter release. Together with RAB11A, RAB3IP, the exocyst complex, PARD3, PRKCI, ANXA2, CDC42 and DNMBP promotes transcytosis of PODXL to the apical membrane initiation sites (AMIS), apical surface formation and lumenogenesis. Together with MYO5B and RAB11A participates in epithelial cell polarization. Plays an important role in ciliogenesis. Together with MICALL2, may also regulate adherens junction assembly. May play a role in insulin-induced transport to the plasma membrane of the glucose transporter GLUT4 and therefore play a role in glucose homeostasis.
| Gene Name: | RAB8A, member RAS oncogene family |
| Family/Subfamily: | Ras GTPase superfamily IPR001806 , not assigned-Ras GTPase superfamily IPR001806 |
| Synonyms: | RAB8A, RAB8, Ras-related protein rab-8, Oncogene c-mel, Ras-associated protein RAB8, Ras-related protein Rab-8A, MEL |
| Target Sequences: | NM_005370 NP_005361.2 P61006 |
Publications (2)
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