signal transduction flash Flashcards
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Growth factor
Stimulates cell to leave Go, functions through signal transduction
EGF
epidermal GF.
PDGF
platelet derived GF
FGF
fibroblast GF
NGF
nerve GF
TGT-alpha
transforming GF
TGF-beta
transforming GF. Targets everything
raf
MAPKKK. Ser/ Thr kinase. Requires ras to become active
ras
GTP binding protein
PKB (Akt)
Stimulates cell cycle progression and inhibits apoptosis. GFâ>PI3â>PKB
Bcl-2
pro and anti-apoptotic
BAD
pro-apoptotic factor, phosphorylated and inactivated by PKB
E2F
TF that is inhibited by Rb (regulated by cyclin) to keep TF from transcription of genes to enter S phase
p53
recognizes damaged DNA and acts as TF to stop cell cyclin by inducing CKI
BRCA1
Inhibit cell cycle, repair of damaged DNA