Cancer Flashcards

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1
Q

cancer

A

the uncontrolled inappropriate growth of cells

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2
Q

contagious examples in animals

A

Devil Facial Tumor Disease
Clams
Dogs Canine transmissible venereal tumor
Sharks

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3
Q

animal immune to cancer

A

Naked mole rats
high molecular mass hyaluronan
prevents cells from overcrowding and forming tumors

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4
Q

people immune to cancer

A

Laron syndrome
significantly reduced risk
insuring like growth factor IGF-1

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5
Q

p53

A

during g1 this tumor suppressor protein triggers cdk inhibitor protein production these proteins bind to cdk cyclin complexes which are needed to move to s phase buying time for DNA to repair

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6
Q

apoptosis

A

automated cell death when DNA can’t be repaired or passed on

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7
Q

benign tumor

A

remains where it grew and usually not dangerous
cells are normal and capsulated non- cancerous

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8
Q

malignant tumor

A

can invade surrounding tissue cells have large dark nuclei and may have an abnormal shape

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9
Q

metastic

A

a second tumor spread from cells of primary
most cancer deaths are due to metastasis distant from original tumor

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10
Q

angiogenesis

A

cells recruiting blood vessels so they can grow and spread the tumor

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11
Q

cancerous cell division

A

uncontrollable with no signals needed from other cells to divide

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12
Q

Henrietta Lacks

A

1951 her cells were collected after she died from cervical cancer and studied. Today more of her cells are alive than when she was alive. Moved forward cancer research

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13
Q

Radiation

A

uv radiation in sunlight
skin cancer

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14
Q

Human papilloma virus

A

passed through sex can lead to cervical cancer recommended to get vaccinated

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15
Q

carcinogen

A

cancer causing agent

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16
Q

retinoblastoma

A

cancer usually found in one eye barley bilateral studied by alfred Knudsen found hereditary component

17
Q

xeroderma pigmentosum

A

can’t repair uv light damage 1000x increased mutation rate often due of cancer

18
Q

diet role in cancer

A

red meat is linked to colon cancer
fats and calories should also be limited