Cancer Genes Flashcards
STK11 Genetics
AD
19p
Premature truncating variants thought to predispose to more severe phenotype
STK11 Condition
Peutz-Jeghers Syndrome
Peutz-Jeghers Syndrome
mucocutaneous pigmentation (lip freckling)
Hamartomatous polyps
Intussusception (intestine folds)
STK11 Cancer risks
Breast 32-54%
Non-epithelial ovarian >10% - sex cord tumors with annular tubules (SCTAT)
Pancreatic 11-36%
Colorectal 39%
Stomach 29%
Small intestine 13%
Cervical >10%
Uterine 9%
Lung 7-17%
Testes 9%
Peutz-Jeghers Syndrome Criteria
two or more PJS type hamartomatous polyps
Mucocutaneous pigmentation
Family history of PJS
CHEK2 associated condition
Li-Fraumeni Syndrome 2
CHEK2 cancer risks
Breast 20-40% (specifically ER +)
Colorectal5-10%
Prostate
Brain
Osteosarcoma
CHEK2 Genetics
Truncating is more severe
AD
CHEK2 mutations are not associated with what type of colon cancer
polyposis
What risk estimation tool can you use for CHEK2
CanRisk
RAD51D cancer risks
Breast 17-30%
Ovarian 10-20%
RAD51D mutations more likely to be associated with what type of breast cancer
ER - and triple -
RAD51C cancer risks
Breast 17-30%
Ovarian 10-15%
BRIP1 cancer risk
Ovarian 5-15%
Biallelic mutations in BRIP1 lead to what condition
Fanconi Anemia