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  • C-26

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    Title Development of Microbe-Derived Peptides as Anticancer Candidates
    Date 2026.08.26 (15:55 - 16:10) | Hall C Seminar Room
    Organization Nakdonggang National Institute of Biological Resources
    Speaker Jayoung Cho, Associate Researcher
    Speaker & Lecture Information

    [Brief Introduction of Seminar]

    Microorganisms are an important source of structurally diverse bioactive compounds with potential applications in anticancer drug development. This patented technology relates to novel microbe-derived peptides that were isolated, structurally characterized, and chemically synthesized. Using the MTT assay, the cell proliferation-inhibitory activity of these synthetic peptides was evaluated against multiple human cancer cell lines. The peptides exhibited varying degrees of cell proliferation-inhibitory activity across the tested cancer cell lines, with particularly pronounced effects observed in A549 human lung cancer cells. Based on these results, A549 cells were selected for further investigation of the underlying molecular mechanisms. Apoptosis and cell-cycle analyses supported the involvement of the mitochondria-mediated intrinsic apoptotic pathway in peptide-induced cell death. Molecular modeling was subsequently performed to identify potential target proteins associated with this activity. Further studies are needed to clarify the interactions between the peptides and these candidate targets. The patented peptides are chemically synthesizable and have potential as anticancer lead compounds.


    [Brief Introduction of Speaker]

    Education : ('22) Ph.D. in Biotechnology, Pukyong National University, 2022

    Major Experience : ('19-present) Associate Researcher, Prokaryotic Research Division, Nakdonggang National Institute of Biological Resources

    Research Areas : Discovery of valuable microbial metabolites, molecular modeling, and structure-guided engineering of bioactive compounds and enzymes

    Current Research : Investigation of interactions between microbe-derived compounds and their target proteins, and structure-guided engineering of enzyme function

    Selected Achievements : 13 SCI(E)-indexed publications, 14 patents, and 2 technology transfers 

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