Heat shock protein 90 (Hsp90) is a molecular chaperone that is responsible for the folding and maturation of client proteins that are associated with all ten hallmarks of cancer. Hsp90 N-terminal pan inhibitors have experienced unfavorable results in clinical trials due to induction of the heat
2-(4-Aminophenyl)benzothiazoles represent a potent and highly selective class of antitumour agent. In vitro, sensitive carcinoma cells deplete 2-(4-aminophenyl)benzothiazoles from nutrient media; cytochrome P450 1A1 activity, critical for execution of antitumour activity, and protein expression are
A new series of 2-(4-aminophenyl)benzothiazoles substituted in the phenyl ring and benzothiazole moiety has been synthesized by simple, high-yielding routes. The parent molecule 5a shows potent inhibitory activity in vitro in the nanomolar range against a panel of human breast cancer cell lines, but
2-(4-Aminophenyl)benzothiazole (CJM 126) elicits biphasic growth-inhibitory effects against a panel of oestrogen receptor-positive (ER+) and oestrogen receptor-negative (ER-) human mammary carcinoma cell lines in vitro, yielding IC50 values in the nM range. Substitutions adjacent to the amino group
The synthesis and biological evaluation of new M(I)(CO)3(NNO) (M = Re, 99mTc) complexes attached to the antitumor agent 2-(4-aminophenyl)benzothiazole are reported. The fluorescent rhenium complex enters MCF-7 breast cancer cells but does not enter normal HFFF-2 and MRC-5 cells. The analogous
Fluorinated 2-(4-amino-3-methylphenyl)benzothiazoles possess potent antiproliferative activity against certain cancer cells, similar to the unfluorinated 2-(4-amino-3-methylphenyl)benzothiazole (DF 203, NSC 674495). In "sensitive" cancer cells, DF 203 is metabolized by, can induce expression of, and
A new series of benzothiazole has been synthesized as cytotoxic agents. The new derivatives were tested for their cytotoxic activity toward the human breast cancer MCF-7 cell line against cisplatin as the reference drug. Many derivatives revealed good cytotoxic effect, whereas four of them, 4, 5c,
Heterocyclic compounds, analogs and derivatives have attracted attention due to their diverse biological and pharmacological properties. Benzoheterocycles such as benzothiazoles, benzimidazoles and benzoxazoles are constituents of many bioactive heterocyclic compounds, having wider range of
A new series of benzothiazoles and benzoxazoles was synthesized using 4-benzothiazol-2-yl-phenylamine and 4-benzoxazol-2-yl-phenylamine as starting materials. All the prepared compounds were evaluated for their antitumor activities against human breast cancer cell lines, MCF-7 and MDA-231, using
Most of cancer chemotherapeutics and chemopreventives exert their effects by triggering apoptotic cell death. In this study, novel benzimidazole and benzothiazole derivatives have been synthesized to investigate their effects on HepG2 liver cancer cell lines after initial screening study. A dose
A new series of Mannich bases of 2-arylimidazo[2,1-b]benzothiazoles were synthesized and evaluated for their anti-cancer activity. These compounds showed better cytotoxicity activity with IC(50) values ranging from 2.8 to 8.0 μM in HepG2, MCF-7 and HeLa cell lines. Further mechanism aspects
Breaking the threshold of intracellular reactive oxygen species (ROS) levels can cause non-specific oxidative damage to proteins, and lead to the Fenton reaction-mediated exogenous ROS production to be a new promising anticancer strategy. However, the problems including the inefficient transport of
The immunosuppressant drug rapamycin, was firstly identified as a mammalian target of rapamycin (mTOR) allosteric inhibitor, and its derivatives have been successfully developed as anti-cancer drugs. Therefore, finding rapamycin derivatives with better anti-cancer activity has been proved to be an
In the present study antitumor effect of 2-(4-aminophenyl) benzothiazole (BTZ) was evaluated against human U251 and rat C6 glioma cell lines using MTT assay. It was observed that BTZ exhibited significant antitumor effect with IC50 of 3.5 and 4 µM against human U251 and rat C6 glioma
The objective of the study was to prepare and evaluate a 18F-radiolabled tracer (Al18F-5), derivated from the antitumor agent 2-(4-aminophenyl)benzothiazole, as a PET probe for tumor imaging. Al18F-5 was successfully prepared with approx. 40% radiochemical yield in
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