期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 44, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2021.128116
关键词
Cellular activity; 3D QSAR; CoMFA; CoMSIA; Thiazole aminobenzamide derivatives
资金
- Hunan Provincial Natural Science Foundation [2019JJ50522]
- Hunan Provincial Department of Education Scientific Research Project [18C0447]
The anti-chronic myeloid leukemia activity of thiazole aminobenzamide derivatives was tested in vitro using a viability assay method and was found to exhibit good inhibitory activities. Analysis using CoMFA and CoMSIA showed a relationship between the structure of these derivatives and their inhibition of leukemia cell activity, with specific substitutions improving the anti-CML activity.
The anti-chronic myeloid leukemia activity of thiazole aminobenzamide derivatives in vitro was tested by a methanethiosulfonate (MTS)-based viability assay method, and the result showed that some compounds exhibited good inhibitory activities against human chronic myeloid leukemia cell line K562, imatinib-resistant strain K562/R and T135I mutant cell line BaF3-ABL-BCR-T315I. Comparative molecular field analysis (CoMFA) and comparative molecular similarity index analysis (CoMSIA) methods were used to analyze the relationship between the structure of thiazole aminobenzamide derivatives and the inhibition of K562/R cell activity. In CoMFA, Q2 was 0.899 and R2 was 0.963; in CoMSIA, Q2 and R2 were 0.840 and 0.903, respectively. These data indicated that the selected test set showed suitable external predictive ability. Combined with the contour map results, we further analyzed the three-dimensional quantitative structure (3D-QSAR) model. The results demonstrated that in the backbone of the thiazole aminobenzamide derivative, the substitution of a small group at R1 position, or the introduction of a hydrophilic group at R2 position, or the introduction of a largevolume amino acid at R3 position may be beneficial to improve the anti-CML activity of the compound.
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