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Molecular Genetics of Cancer
Clinical Medicine Test 5
10
Medical
Graduate
11/04/2010

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Cards

Term
What are two factors responsible for uncontrolled colonal expansion of a cell?
Definition
1) environmental factor
2) Virus Infections
Term
What is the only protoncogene found to be mutated in the germline of patients predisposed to cancer?
Definition
ret gene
Term
What is the best known oncogene?
Definition
N-myc
Term
What was the first specific chromosomal translocation identified in human cancer?
Definition
Philadelphia chromosome

*found in chronic myeloid leukemia
Term
What has led to dramatic responses in CML?
Definition
effective inhibitor of the brc-abl kinase
Term
What are two genomic stability genes?
Definition
1) p53
2) BRCA1
Term
mutations of what gene are common in 50% of human cancers?
Definition
p53
Term
What two oncogenes are responsible for increased risk of ovarian and breast cancer?
Definition
BRCA1 and BRCA2
Term
What is the most common genetic lesion that abrogates cell death response?
Definition
inactivation of p53 tumor suppressor
Term
What two things provide the essential components for malignant transformation?
Definition
1) mutations
2) infinite lifespan
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