Structure-Based Drug Design and Synthesis of Novel N-Aryl-2,4-bithiazole-2-amine CYP1B1-Selective Inhibitors in

Jianping Mao1, Dong Wang1, Ping Xu1

  • 1Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang110016, Liaoning, P. R. China.

Insights

This study reveals that CYP1B1 promotes Taxol resistance and cancer spread by activating AKT/ERK1/2 pathways. A novel inhibitor, compound 77, successfully reversed Taxol resistance and inhibited cancer cell migration and invasion.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Cytochrome P450 family 1 subfamily B member 1 (CYP1B1) is a potential cancer therapeutic target.
  • CYP1B1 is overexpressed in Taxol-resistant A549 cells, but its role in drug resistance is not fully understood.

Purpose of the Study:

  • To investigate the role of CYP1B1 in Taxol resistance and cancer migration/invasion.
  • To design and synthesize novel CYP1B1 inhibitors to overcome Taxol resistance.

Main Methods:

  • Bioinformatic analysis to identify pathways correlated with CYP1B1.
  • In vitro experiments using A549 and H460 cells treated with 7,12-dimethylbenz[a]anthracene (DMBA).
  • Design, synthesis, and evaluation of novel N-aryl-2,4-bithiazole-2-amine derivatives as CYP1B1 inhibitors.

Main Results:

  • Bioinformatic analysis linked CYP1B1 to AKT/ERK1/2 and focal adhesion pathways, suggesting its role in Taxol resistance and cancer metastasis.
  • DMBA treatment increased Taxol resistance and promoted migration/invasion in A549 and H460 cells, associated with CYP1B1 upregulation.
  • The synthesized inhibitor, compound 77, selectively inhibited CYP1B1, suppressed AKT/ERK1/2 and FAK/SRC signaling, reversed Taxol resistance, and reduced migration/invasion in A549/Taxol cells.

Conclusions:

  • CYP1B1 plays a significant role in mediating Taxol resistance and facilitating cancer cell migration and invasion.
  • Novel CYP1B1 inhibitors, exemplified by compound 77, hold promise for developing new anticancer strategies against Taxol-resistant cancers.

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