作者
Paolo Salerno, Valentina De Falco, Anna Tamburrino, Tito Claudio Nappi, Giancarlo Vecchio, Rebecca E Schweppe, Gideon Bollag, Massimo Santoro, Giuliana Salvatore
发表日期
2010/1/1
期刊
The Journal of Clinical Endocrinology & Metabolism
卷号
95
期号
1
页码范围
450-455
出版商
Oxford University Press
简介
Context: The V600E mutation accounts for the vast majority of thyroid carcinoma-associated BRAF mutations.
Objective: The aim was to study the effects of the two BRAF V600E ATP-competitive kinase inhibitors, PLX4032 and PLX4720, in thyroid carcinoma cell lines.
Experimental Design: We examined the activity of PLX4032 and PLX4720 in thyroid carcinoma cell lines harboring BRAF V600E (8505C, BCPAP, SW1736, BHT101), NRAS Q61R (HTH7), KRAS G12R (CAL62), HRAS G13R (C643), or RET/PTC1 (TPC-1) oncogenes. Normal thyrocytes (PC Cl 3) were used as control.
Results: Both compounds inhibited the proliferation of BRAF mutant cell lines, but not normal thyrocytes, with a half maximal effective concentration (EC50) ranging from 78–113 nm for PLX4720 and from 29–97 nm for PLX4032. Doses equal to or higher than 500 nm were required to achieve a …
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P Salerno, V De Falco, A Tamburrino, TC Nappi… - The Journal of Clinical Endocrinology & Metabolism, 2010