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Thiosemicarbazone-based selective proliferation inactivators inhibit gastric cancer cell growth, invasion, and

Biao Hu1, Bo Wang1, Bing Zhao1

  • 1Collaborative Innovation Center of New Drug Research and Safety Evaluation , Key Laboratory of Technology of Drug Preparation , Ministry of Education of China , School of Pharmaceutical Sciences , Zhengzhou University , Zhengzhou 450001 , Henan Province , PR China . Email: yingdejiqing1314@163.com ;

Medchemcomm
|August 16, 2018
PubMed

Insights

Novel thiosemicarbazone derivatives were synthesized and tested for anticancer properties. Compound 5n demonstrated significant antiproliferative effects against MGC-803 cells by inducing apoptosis and cell cycle arrest.

Area of Science:

  • Medicinal Chemistry
  • Cancer Biology
  • Pharmacology

Background:

  • Thiosemicarbazones are a class of compounds with diverse biological activities.
  • Developing novel antiproliferative agents is crucial for cancer treatment.
  • Targeting specific cancer cell lines requires tailored therapeutic strategies.

Purpose of the Study:

  • To synthesize and evaluate novel thiosemicarbazone derivatives for antiproliferative activity.
  • To identify potent compounds against selected tumor cell lines.
  • To investigate the mechanism of action of the most active compound.

Main Methods:

  • Synthesis of novel thiosemicarbazone derivatives.
  • Antiproliferative activity evaluation using the MTT assay against various tumor cell lines.
  • Mechanism of action studies including apoptosis induction and cell cycle analysis.
  • Assessment of cytotoxicity against normal gastric epithelial cells.

Main Results:

  • All synthesized compounds showed activity against the MGC-803 cell line.
  • Compound 5n exhibited the most potent inhibitory activity (IC50 = 0.93 μM) against MGC-803 cells.
  • Compound 5n induced apoptosis and S-phase cell cycle arrest in MGC-803 cells.
  • Compound 5n inhibited cell migration and invasion without significant toxicity to GES-1 cells.

Conclusions:

  • Novel thiosemicarbazone derivatives possess significant antiproliferative potential.
  • Compound 5n is a promising candidate for further investigation as an anticancer agent.
  • Compound 5n's mechanism involves apoptosis induction and cell cycle arrest, with anti-metastatic properties.

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