Cancer Terms

D4-GDI Signaling Pathway

Cancer Terms -> Biochemical Pathway -> Signaling Pathways -> D4-GDI Signaling Pathway

D4-GDI Signaling Pathway Definition

D4-GDP dissociation inhibitor (D4-GDI) is a negative regulator of the ras related Rho Family of GTPases. Since the rho GTPases promote cytoskeletal and membrane changes associated with apoptotic cell death, the removal of the D4-GDI block through its cleavage is important for inducing apoptosis. Caspase-3 cleaves the 28 kDa mature form of D4-GDI to give a 5 kDa and 23 kDa size fragment. The 23 kDa fragment then translocates to the nucleus. The mechanisms involving cleavage of D4-GDI with apoptosis are not presently known. Activation of the Jun N-Terminal kinase, a regulator of apoptosis, may be one of the mechanisms. (BioCarta)

D4-GDI Signaling Pathway Synonyms

D4-GDI Signaling Pathway

Terms in D4-GDI Signaling Pathway category



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