Oncogenes pg 232 Flashcards
Found in CML and ALL.
BCR-ABL=tyrosine kinase (tx w/ Imatinib)
Follicular and Undifferentiated Lymphomas
bcl-2=inhibits apoptosis
Melanoma
BRAF=serine/threonine kinase
GIST
c-kit=cytokine receptor (for stem cell factor)
Burkitt Lymphoma
c-myc=transcription factor
Breast, Ovarian, and Gastric Carcinomas
HER2/neu (c-erbB2)=tyrosine kinase
Small Cell Lung Cancer
L-myc=transcription factor
Neuroblastoma
N-myc=transcription factor
Notes: MC location in Adrenals; Histology shows Homer-Wright pseudorosettes
Colon, Lung, and Pancreatic Cancer
Ras=GTPase
MEN2A and MEN2B
Ret=Tyrosine Kinase
What kind of mutation causes Oncogenes to result in an increased cancer risk?
Gain of Function
How many alleles must be damaged for an oncogene to cause problems?
ONE allele