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Medicine and Health Sciences Commons

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Diseases

Undergraduate Theses and Capstone Projects

2018

Breast cancer

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Full-Text Articles in Medicine and Health Sciences

The Effects Of Inhibiting Pi3k On Tumor Suppressor Gene P53 And Cell Proliferation, Kelsi Peters Dec 2018

The Effects Of Inhibiting Pi3k On Tumor Suppressor Gene P53 And Cell Proliferation, Kelsi Peters

Undergraduate Theses and Capstone Projects

When the cell surface molecule, Human EGF Receptor (HER2), is overexpressed, the cell can become cancerous. MDA-MB-453 is an established breast cancer cell line made cancerous by HER2 overexpression. This mutation that causes HER2 overexpression affects the cell signaling pathway of phosphoinositide 3-kinase (PI3K), Akt, MDM2, and p53. We predicted that PI3K would be inhibited with the compound, LY294002, sending signals for Akt and MDM2 to be deactivated in MDA-MB-453 cells. Deactivated MDM2 signals for p53 to be activated. P53 is a tumor suppressor protein that exists in low quantities in normal cells, but when damage …