Pathology Malignancy Flashcards
BCL-2
Antiapoptotic molecule
Follicular [t(18:14)] and undifferentiated lymphomas
BRAF
Serine/ threonine kinase
Melanoma, nonHodgkins lymphoma
c-Kit
Cytokine receptor
Gastrointestinal stromatolites tumor (GIST)
c-myc
Transcription factor
Burkitt lymphoma t(8:14)
HER2/neu
Tyrosine kinase
Breast, ovarian, and gastric carcinoma
L-myc
Transcription factor
Lung tumor
N-myc
Transcription factor
Neuroblastoma
RAS
GTPase
Colon cancer, lung cancer, pancreatic cancer
RET
Tyrosine kinase
MEN 2A and 2B, medullary thyroid cancer
Oncogenes
Gain function, inc risk of cancer
Need damage to only one allele
Tumor suppression genes
Loss of function, inc risk of cancer. Both alleles must be lost for expression of disease.
APC
Colorectal cancer (ass. with FAP) Risk: diet high in cholesterol, carbs, and low fiber.
BRCA1/BRCA2
DNA repair protein
Breast cancer and ovarian cancer
DCC
“DCC- Deleted in Colon Cancer”
Colon cancer
DPC4/SMAD4
“DPC- Deleted in Pancreatic Cancer”
Pancreatic cancer
MEN1
MEN1- parathyroid, pituitary tumors, pancreatic endocrine tumor
Menin
NF1
Neurofibromatosis type 1
Ras GTPase activating protein
NF2
Neurofibromatosis type 2
Merlin (schwannomin) protein
p16
Cyclic dependent kinase inhibitor 2A
Melanoma
p53
Transcription factor for p21, blocks G1-S phase
Most human cancers, Li-Fraumeni syndrome
Liver and colon cancer