Abstract:
:On the basis and continuation of our previous studies on anti-tubulin and anti-gastric cancer agents, novel tertiary amide derivatives incorporating benzothiazole moiety were synthesized and the antiproliferative activity was studied in vitro. Preliminary structure activity relationships (SARs) were explored according to the in vitro antiproliferative activity results. Some of compounds could significantly inhibit the proliferation of three cancer cells (HCT-116, MGC-803 and PC-3 cells) and compound F10 exhibited excellent antiproliferative activity against HCT-116 cells (IC50 = 0.182 μM), MGC-803 cells (IC50 = 0.035 μM), PC-3 cells(IC50 = 2.11 μM) and SGC-7901 cells (IC50 = 0.049 μM). Compound F10 effectively inhibited tubulin polymerization (IC50 = 1.9 μM) and bound to colchicine binding site of tubulin. Molecular docking results suggested compound F10 could bind tightly into the colchicine binding site of β-tubulin. Moreover, compound F10 could regulate the Hippo/YAP signaling pathway. Compound F10 activated Hippo signaling pathway from its very beginning MST1/2, as the result of Hippo cascade activation YAP were inhibited. And then it led to a decrease of c-Myc and Bcl-2 expression. Further molecular experiments showed that compound F10 arrested at G2/M phase, inhibited cell colony formatting and induced extrinsic and intrinsic apoptosis in MGC-803 and SGC-7901 cells. Collectively, compound F10 was the first to be reported as a new anticancer agent in vitro via inhibiting tubulin polymerization and activating the Hippo signaling pathway.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Song J,Gao QL,Wu BW,Zhu T,Cui XX,Jin CJ,Wang SY,Wang SH,Fu DJ,Liu HM,Zhang SY,Zhang YB,Li YCdoi
10.1016/j.ejmech.2020.112618subject
Has Abstractpub_date
2020-10-01 00:00:00pages
112618eissn
0223-5234issn
1768-3254pii
S0223-5234(20)30590-0journal_volume
203pub_type
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