Screening on receptor tyrosine kinase inhibitory activity of marine algae-derived symbiotic microorganisms

Keumja Yun*, Guohua Yang, Zhile Feng, Viviane N. Nenkep, Xavier, Siwe-Noundou, Alain S. Leutou, Gun Do Kim, Heeyeong Cho, Hong Dae Choi, Byeng Wha Son

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In order to screen new receptor tyrosine kinase inhibitor which is expected to be anticancer drug lead, we have investigated receptor tyrosine kinase inhibitory activity on the marine alga-derived symbiotic microorganisms (500 strains). The significant activities (over 70% inhibition at 10 μg/ml) were observed in the extracts of ten strains (Strain No.: MFA018, 019, 206, 242, 325, 335, 343, 344, 354, 356), isolated from marine red algae, five strains (Strain No.: MFA030, 126, 213, 324, 339), isolated from the brown algae, and one strain (Strain No.: MFA272), isolated from the marine green algae, respectively. Among the active strains, MFA019 and 356 showed strong receptor tyrosine kinase inhibitory activity with IC 50 values of 0.6 and 0.9 μg/ml, respectively.

Original languageEnglish
Pages (from-to)43-47
Number of pages5
JournalKorean Journal of Pharmacognosy
Volume41
Issue number1
Publication statusPublished - Mar 2010
Externally publishedYes

Keywords

  • Antitumor drug lead
  • Marine algae
  • Receptor tyrosine kinase (RTK) inhibitor
  • Symbiotic marine microorganism

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