Identification of a molecular target of kurahyne, an apoptosis-inducing lipopeptide from marine cyanobacterial assemblages

Arihiro Iwasaki, Osamu Ohno, Shun Katsuyama, Maho Morita, Yukiko Sasazawa, Shingo Dan, Siro Simizu, Takao Yamori, Kiyotake Suenaga

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In 2014, we isolated kurahyne, an acetylene-containing lipopeptide, from a marine cyanobacterial assemblage of Lyngbya sp. Kurahyne exhibited growth-inhibitory activity against human cancer cells, and induced apoptosis in HeLa cells. However, its mode of action is not yet clear. To elucidate its mode of action, we carried out several cell-based assays, and identified the intracellular target molecule of kurahyne as sarco/endoplasmic reticulum Ca2+ ATPase (SERCA). In addition, we found that kurahyne inhibited the differentiation of macrophages into osteoclasts.

Original languageEnglish
Pages (from-to)5295-5298
Number of pages4
JournalBioorganic and Medicinal Chemistry Letters
Volume25
Issue number22
DOIs
Publication statusPublished - 2015 Nov 15

Fingerprint

Sarcoplasmic Reticulum Calcium-Transporting ATPases
Lipopeptides
Acetylene
Macrophages
Assays
Cells
Apoptosis
Molecules
Osteoclasts
HeLa Cells
Human Activities
Growth
Neoplasms

Keywords

  • Apoptosis
  • ER stress
  • Kurahyne
  • Marine natural product
  • SERCA

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry
  • Molecular Biology
  • Molecular Medicine
  • Organic Chemistry
  • Drug Discovery
  • Pharmaceutical Science

Cite this

Identification of a molecular target of kurahyne, an apoptosis-inducing lipopeptide from marine cyanobacterial assemblages. / Iwasaki, Arihiro; Ohno, Osamu; Katsuyama, Shun; Morita, Maho; Sasazawa, Yukiko; Dan, Shingo; Simizu, Siro; Yamori, Takao; Suenaga, Kiyotake.

In: Bioorganic and Medicinal Chemistry Letters, Vol. 25, No. 22, 15.11.2015, p. 5295-5298.

Research output: Contribution to journalArticle

Iwasaki, Arihiro ; Ohno, Osamu ; Katsuyama, Shun ; Morita, Maho ; Sasazawa, Yukiko ; Dan, Shingo ; Simizu, Siro ; Yamori, Takao ; Suenaga, Kiyotake. / Identification of a molecular target of kurahyne, an apoptosis-inducing lipopeptide from marine cyanobacterial assemblages. In: Bioorganic and Medicinal Chemistry Letters. 2015 ; Vol. 25, No. 22. pp. 5295-5298.
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