Cancer Mitosis Gone Wild! Tan = Sexy, and Risking Death.
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Transcript of Cancer Mitosis Gone Wild! Tan = Sexy, and Risking Death.
![Page 1: Cancer Mitosis Gone Wild! Tan = Sexy, and Risking Death.](https://reader036.fdocuments.us/reader036/viewer/2022062321/56649f055503460f94c19bb4/html5/thumbnails/1.jpg)
Cancer
Mitosis Gone Wild!Tan = Sexy, and
Risking Death
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Tan = Sexy?
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Tan = Sexy?
![Page 4: Cancer Mitosis Gone Wild! Tan = Sexy, and Risking Death.](https://reader036.fdocuments.us/reader036/viewer/2022062321/56649f055503460f94c19bb4/html5/thumbnails/4.jpg)
Naomi
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Tumor
Means “swelling” Come to refer to abnormal
growth of tissue.Two types of tumors:
BenignMalignant
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Benign
Means “not life threatening”Do not invade other tissues.Do not break apart and spread to
other parts of the body (metastasize)
Can grow really big and become a serious health problem, possibly life threatening.
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Premalignant
Benign tumors are at greater risk for turning into “cancer” than other tissue.
If they start to “degenerate” then they are called premalignant.
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Malignant
Cells dedifferentiate – lose specializations like cilia and axons.
Metastasize Break away from
tumor move through blood stream to other parts of the body
Divide and grow into another cancerous tumor.
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Cancer
Testicle Cells in you Lungs!Breast Tissue in your Brain!
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Contact Inhibition
Cell to cell contact usually stops cell division, not with cancerous cells.
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Oncogenes
Genes control cell division – produce checkpoint proteins.
Mutations can cause cells to go through mitosis too often = tumor.
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Growth Factor
Tumor cells either are missing growth factor inhibition or make their own growth factor proteins.
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Carcinogens
PhysicalUVHeat
ChemicalBind with DNA
BiologicalViruses