The effect of DEBIO 1143 usage alone or in combination with tamoxifen on estrogen receptor positive breast cancer cell lines

Purpose: To investigate the effect of increased concentrations of tamoxifen (TAM) and DEBIO 1143 (AT-406) administered alone or in combination on cells in MCF-7 and BT-474 estrogen receptor positive (ER+) breast cancer cell lines. Materials and methods: The effect of tamoxifen and DEBIO 1143 administered alone or in combination on cell viability in MCF-7 and BT-474 cell lines at the 72nd hour was assessed by the XTT test. Multi-parameter apoptosis assay kit was used to display the effect of the alone/combination of TAM and DEBIO 1143 on both cell lines. Fluorescence microscobic analysis was performed. Results: The IC50 value of TAM was 3.8±0.6 micromolar (µM) and 18.9±6.7 µM in the MCF-7 and BT-474 cell lines, respectively. The IC50 value of DEBIO 1143 was 15±0.5 µM in the MCF-7 cell line. The results related to drug combination were statistically significant for both cell lines (p

DEBIO 1143’ün tek başına veya tamoxifenle kombinasyonunun östrojen reseptörü pozitif meme kanseri hücre hatlarındaki etkisi

Amaç: Tamoxifen (TAM) ve DEBIO 1143 (AT-406)’ün artan konsantrasyonlarının tek başına veya birlikte uygulanmasının, MCF-7 ve BT-474 östrojen reseptörü pozitif (ER+) meme kanseri hücre hatlarındaki etkisini araştırmak. Gereç ve yöntem: XTT testi, tamoxifen ve DEBIO 1143’ün tek başına veya birlikte kullanımın 72 saatlik MCF7 ve BT-474 hücre hatlarındaki hücre canlılığı üzerine olan etkisini belirlemek için kullanıldı. TAM ve DEBIO 1143'ün tek başına / kombinasyonunun her iki hücre hattı üzerindeki etkisini göstermek için çok parametreli apoptoz analiz kiti kullanıldı ve floresan mikroskobik görüntüleme yapıldı. Bulgular: TAM'ın IC50 değeri MCF-7 ve BT-474 hücre hatlarında sırasıyla 3,8±0,6 mikromolar (µM) ve 18,9±6,7 µM idi. DEBIO 1143'ün IC50 değeri, MCF-7 hücre hattında 15±0,5 uM idi. İlaç kombinasyonuna bağlı sonuçlar her iki hücre hattı için istatistiksel olarak anlamlıydı (p

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