3.12 neoplasm Flashcards

(14 cards)

0
Q

What virus makes E6 and E7 proteins

A

HPV

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1
Q

EBV causes

A
Burkitt lymphoma
B cell lymphomas
Hodgkin lymphomas
Nasopharyngeal carcinoma
T/NK cell lymphomas
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2
Q

What does E6 protein do

A

Degrades p53 and BAX

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3
Q

What does E7 do

A

Binds RB which allows release of E2F and promotion of cell cycle

Inactivated CDKIs: p21 and p27

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4
Q

Mechanism of EBV

A

LMP-1 activates NFκB and induces pro-angiogenic factors

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5
Q

What has a starry sky histo

A

Burkitt lymphoma

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6
Q

H pylori causes

A

Gastric adenocarcinomas

MALTomas

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7
Q

H pylori mechanism

A

H pylori’s CagA activates SHP-2 tyrosine kinase

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8
Q

Aflatoxin B1 produces mutation in what gene

A

TP53

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9
Q

Benzo[a]pyrene causes what cancer

A

Scrotal skin cancer

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10
Q

Benzo[a]pyrene is metabolized by

A

CYP1A1

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11
Q

Ionizing radiation causes what cancers

A
Leukemia
Thyroid
Breast
Lung
Salivary glands
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12
Q

HTLV carries what gene which does what

A

Tax gene - inactivated cell cycle inhibitor p16/INK4a

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13
Q

What virus has environmental factors as well such as smoking, dietary deficiencies, etc

A

HPV

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