Discovery of certain benzyl/phenethyl thiazolidinone-indole hybrids as potential anti-proliferative agents: Synthesis, molecular modeling and tubulin polymerization inhibition study
摘要:
A series of certain benzyl/phenethyl thiazolidinone-indole hybrids were synthesized for the study of anti-proliferative activity against A549, NCI-H460 (lung cancer), MDA-MB-231 (breast cancer), HCT-29 and HCT-15 (colon cancer) cell lines by using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT). We found that compound G37 displayed highest cytotoxicity with IC50 value of 0.92 +/- 0.12 mu M towards HCT-15 cancer cell line among all the synthesized compounds. Moreover, compound G37 was also tested on normal human lung epithelial cells (L132) and was found to be safe in contrast to HCT-15 cells. The lead compound G37 showed significant G2/M phase arrest in HCT-15 cells. Additionally, compound G37 significantly inhibited tubulin polymerization with IC50, value of 2.92 +/- 0.23 mu M. Mechanistic studies such as acridine orange/ethidium bromide (AO/EB) dual staining, DAPI nuclear staining, annexinV/propidium iodide dual staining, donogenic growth inhibition assays inferred that compound G37 induced apoptotic cell death in HCT-15 cells. Moreover, loss of mitochondrial membrane potential with elevated intracellular ROS levels was observed by compound G37. These compounds bind at the active pocket of the alpha/beta-tubulin with higher number of stable hydrogen bonds, hydrophobic and arene-cation interactions confirmed by molecular modeling studies.
Chemoproteomics-enabled covalent ligand screen reveals a cysteine hotspot in reticulon 4 that impairs ER morphology and cancer pathogenicity
作者:L. A. Bateman、T. B. Nguyen、A. M. Roberts、D. K. Miyamoto、W.-M. Ku、T. R. Huffman、Y. Petri、M. J. Heslin、C. M. Contreras、C. F. Skibola、J. A. Olzmann、D. K. Nomura
DOI:10.1039/c7cc01480e
日期:——
thus put forth RTN4 as a potential novel colorectal cancer therapeutic target and reveal a unique druggable hotspot within RTN4 that can be targeted by covalent ligands to impair colorectal cancer pathogenicity. Our results underscore the utility of coupling the screening of fragment-based covalent ligands with isoTOP-ABPP platforms for mining the proteome for novel druggable nodes that can be targeted
Design, Synthesis, and SAR of Novel 2-Glycinamide Cyclohexyl Sulfonamide Derivatives against Botrytis cinerea
作者:Nan Cai、Caixiu Liu、Zhihui Feng、Xinghai Li、Zhiqiu Qi、Mingshan Ji、Peiwen Qin、Wasim Ahmed、Zining Cui
DOI:10.3390/molecules23040740
日期:——
the limelight as a novel fungicide, and has fungicidal activity against Botrytis cinerea. For exploring more novel structures, 33 new compounds were synthesized by N-alkylation and acid-amine coupling reactions with chesulfamide as the core moiety, and their structures were characterized and established by ¹H-NMR, 13C-NMR, MS, and elemental analysis. The structure of (1R,2S)-2-(2-(N-(4-chloro-2-trifl
Lead Optimization and Structure–Activity Relationship Studies on Myeloid Ecotropic Viral Integration Site 1 Inhibitor
作者:Bengisu Turgutalp、Merve Uslu、Sinem Helvacioglu、Mohammad Charehsaz、Enise Ece Gurdal、Wolfgang Sippl、Fatih Kocabas、Mine Yarim
DOI:10.1021/acs.jmedchem.1c00972
日期:2021.10.14
site (MEIS) inhibitor, MEISi-1, to induce murine and human HSC expansion ex vivo and in vivo. In this work, we performed leadoptimization on MEISi-1 by synthesizing 45 novel analogues. Structure–activity relationship studies revealed the significance of a para-methoxy group on ring A and a hydrophobic moiety at the meta position of ring B. Obtained biological data were supported by inhibitor docking and