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South Dakota State University

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Biochemistry, Biophysics, and Structural Biology

Cucurbitacins

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Novel Hybrid Analogs Of Estrone Origin Exhibits Cytotoxic Effects Against Egfr-Dependent Cancers, Felix Acheampong Jan 2019

Novel Hybrid Analogs Of Estrone Origin Exhibits Cytotoxic Effects Against Egfr-Dependent Cancers, Felix Acheampong

Electronic Theses and Dissertations

Cancer is second only to cardiovascular illnesses as the deadliest human disease globally. Currently, non-small cell lung cancer (NSCLC) and triple negative breast carcinoma (TNBC) are the most frequent types of cancer and have the highest mortalities. Epidermal growth factor receptor (EGFR), a central regulator of tumor progression, is frequently overexpressed in both cancers and is a key clinical target for therapeutic intervention. Natural products and their synthetic analogs have been utilized as EGFR tyrosine kinase inhibitors (TKIs) with potent antitumor effects. However, acquired resistance limits the long-term efficacy of these drugs. Estrone has been used as a scaffold in …


Study Of Anti-Proliferative Activity Of Cucurbitacins Inspired Estrone Analogs On Hepatocellular Carcinoma, Sara Elgazwi Jan 2018

Study Of Anti-Proliferative Activity Of Cucurbitacins Inspired Estrone Analogs On Hepatocellular Carcinoma, Sara Elgazwi

Electronic Theses and Dissertations

Hepatocellular carcinoma (HCC) is considered the third leading cause of death from cancer. Overall survival rate is significantly low, due to the emerging resistance to chemotherapeutic agents and lack of selectivity. Recent studies have demonstrated that epidermal growth factor receptor (EGFR) is a promising molecular target for cancer therapy, especially HCC. Current studies showed that cucurbitacins are potent anticancer compounds which target EGFR. This prompted us to investigate the antiproliferative activity of novel cucurbitacins inspired estrone analogs (CIEA) against sensitive and resistant HepG2 cell lines. Anti-proliferation activity of 20 CIEA analogs were examined against HepG2 using MTT assay and showed …