3 chapter (neoplasia) pathoma + FA table ONCOGENES 12/02 Flashcards
What is growth factor?
PDGFB
PDGFB is what type oncogene?
Growth factor
PDGFB function?
Platelet-derived growth factor
Mechanism of PDGFB?
overexpression, autocrine loop
PDGFB assoc. tumor?
Astrocytoma
What are growth factor receptors?
ERBB2 [HER2/neu]
RET
KIT
ERBB2 [HER2/neu] is what oncogene?
growth factor receptors
RET is what oncogene?
growth factor receptors
KIT is what oncogene?
growth factor receptors
ERBB2 [HER2/neu] function?
Epidermal growth factor receptor
ERBB2 [HER2/neu] mechanism?
Amplification
ERBB2 [HER2/neu] assoc. tumor?
Subset of breast carcinomas, ovarian carcinoma
RET function?
Neural growth factor receptor
RET mechanism?
Point mutation
RET assoc. tumor?
MEN 2A, MEN 2B and sporadic medullary carcinoma of thyroid, pheochromocytoma
KIT function?
Stem cell growth factor receptor
KIT mechanism?
Point mutation
What are signal transducers?
RAS gene family
ABL
What oncogene is RAS gene family?
signal transducer
What oncogene is ABL?
Signal transducer
RAS function?
GTP-binding protein
RAS mechanism?
Point mutation
RAS assoc. tumor?
Carcinomas, melanoma and lymphoma
ABL function?
non-Tyrosine kinase
ABL mechanism?
t (9;22) with BCR;
non-receptor tyrosine kinase
ABL assoc. tumor?
CML and some types of ALL
What are nuclear regulators?
c-MYC, N-MYC, L-MYC
c-MYC what oncogene?
nuclear regulators