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. 2011 Feb 23;2(4):313–315. doi: 10.1021/ml1003074

Table 1. Cytotoxicity Evaluation of (−)-(R)- and (+)-(S)-Boehmeriasin A in Comparison to Paclitaxela.

  IC50 (nM)
compd COLO-205 MCF-7 NCI-ADR-RES
paclitaxelb 3.31 1.62 >6400
()-(R)-1·HClc 4.18 43.4 36.7
(+)-(S)-1·HClb 103 92.7 434
a

COLO-205 = human colorectal adenocarcinoma (GI50 = 0.80 nM reported for (−)-1; see ref (1)); MCF-7 = human breast carcinoma (GI50 = 13 nM reported for (−)-1; see ref (1)); NCI-ADR-RES = drug-resistant human ovarian adenocarcinoma.

b

Average of six assays each.

c

Average of three assays each.