The Effect of 5-Substitution on the Cytotoxicity of 2-(p-Methoxyphenyl)-1H-Benzimidazoles in Human Cancer Cell Lines

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A series of 5-substituted 2-(p-methoxyphenyl)-1H-benzimidazoles was synthesized and evaluated for cytotoxicity against 4 human cancer cell lines, HCT 15, PC-3, A549, and ACHN. Except for the 5-chloro analogue, most of the 5-substituted compounds showed significant cytotoxicities in these cell lines. However, the structure activity relationship study revealed that neither the electronic nor the lipophilic parameters of the 5-substituents were related to cytotoxicity. Moreover, none of the analogues showed significant NF к-β inhibition activity implying that cytotoxicity was not related to this mechanism. The 5-methyl analogue was the most potent compound in this series with a GI50 of 0.9 µM in the A549 cell line.

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Periodical:

Key Engineering Materials (Volumes 277-279)

Edited by:

Kwang Hwa Chung, Yong Hyeon Shin, Sue-Nie Park, Hyun Sook Cho, Soon-Ae Yoo, Byung Joo Min, Hyo-Suk Lim and Kyung Hwa Yoo

Pages:

23-27

Citation:

M. J. Kwon et al., "The Effect of 5-Substitution on the Cytotoxicity of 2-(p-Methoxyphenyl)-1H-Benzimidazoles in Human Cancer Cell Lines ", Key Engineering Materials, Vols. 277-279, pp. 23-27, 2005

Online since:

January 2005

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$38.00

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