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Anticancer activities of antimicrobial BmKn2 peptides against oral and colon cancer cells

  • Teerakul Arpornsuwan
  • , Wimolpak Sriwai
  • , Janthima Jaresitthikunchai
  • , Narumon Phaonakrop
  • , Hathaitip Sritanaudomchai
  • , Sittiruk Roytrakul
  • Faculty of Allied Health Sciences Thammasat University
  • National Science and Technology Development Agency (NSTDA)

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

There is considerable current interest in developing antimicrobial and anticancer agents with a new mode of action. The antimicrobial peptides are regarded as a potential solution for treating cancer cells. The antimicrobial effect of 6 synthetic peptides against 7 bacterial species was evaluated. The result showed that IsCT, BmKn2 and BMAP-28 exhibited broad range of action against Bacillus subtilis ATCC 6633, Staphylococcus aureus ATCC 6538, methicillin resistant S. aureus DMST 20651, Staphylococcus epidermidis ATCC 12228, Acinetobacter baumanii ATCC 19066, Escherichia coli ATCC 25922 and Salmonella typhi DMST 562 at minimal inhibitory concentrations (MIC) of 2.97-24.28 μM. Neither AMP induced significant hemolysis, or showed cytotoxic on dental pulp stem cells and smooth muscle cells at their MICs. In addition, BmKn2 inhibited growth of human oral squamous carcinoma HSC4 cells and human colon cancer SW620 cells with IC50 of 17.26 and 40 μM, respectively. Taken together, BmKn2 peptide from scorpion venom may offer a novel therapeutic strategy for development of cationic antimicrobial and anticancer peptides as potential new therapeutic agents.

Original languageEnglish
Pages (from-to)501-509
Number of pages9
JournalInternational Journal of Peptide Research and Therapeutics
Volume20
Issue number4
DOIs
Publication statusPublished - Dec 2014

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Antimicrobial peptide
  • Antitumor peptide
  • Dental pulp stem cells
  • HSC4 cells
  • SW620 cells

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