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별불가사리(Asterina pectinifera)로부터 새로운 평활근 이완활성 펩타이드의 정제

Purification and Characterization of a Novel Neuvopeptide with a Smooth Muscle-Relaxing Activity from the Starfish, Asterina pectinifera

  • 김은정 (부경대학교 수산과학대학 생물공학과) ;
  • 김찬희 (부경대학교 수산과학대학 생물공학과) ;
  • 고혜진 (부경대학교 수산과학대학 생물공학과) ;
  • 김인혜 (부경대학교 수산과학대학 생물공학과) ;
  • 안상현 (부경대학교 수산과학대학 생물공학과) ;
  • 손희영 (부경대학교 수산과학대학 생물공학과) ;
  • 박희연 (국립수산과학원 생명공학연구단) ;
  • 윤호동 (국립수산과학원 생명공학연구단) ;
  • 장영채 (대구가톨릭대학교 의과대학) ;
  • 홍용기 (부경대학교 수산과학대학 생물공학과) ;
  • 박남규 (부경대학교 수산과학대학 생물공학과)
  • KIM Eun Jung (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • KIM Chan-Hee (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • GO Hye-Jin (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • KIM In Hae (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • AN Sang Hyun (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • SOHN Hee-Young (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • PARK Hee Yeon (Biotechnology Research, National Fisheries Research & Development Institute) ;
  • YOON Ho Dong (Biotechnology Research, National Fisheries Research & Development Institute) ;
  • CHANG Young-Chae (Department of Pathology, School of Medicine, Catholic University of Daegu) ;
  • HONG Yong-Ki (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • PARK Nam Gyu (Department of Biotechnology and Bioengineering, Faculty of Food Science and Biotechnology, Pukyong National University)
  • 발행 : 2005.06.01

초록

A novel neuropeptide with a relaxing activity on the dorsal retractor muscle (DRM) was isolated from the whole body extract of the starfish, Asterina pectinifera. The peptide was purified by gel-filtration ion-exchange and $C_{18}$ reversed-phase HPLC. The complete amino acid sequence of this peptide, which was determined by automated Edman degradation and MALDI-TOF mass, was Phe-Gly-Lys-Gly-Gly-Ala-Tyr-Asp-Pro-Leu-Ser-Ala-Gly-Phe-Thr-Asp. A comparison of the amino acid sequence with those of other known neuropeptides revealed that the asteripectin was a novel neuropeptide with smooth muscle-relaxing activity on the starfish DRM. This peptide showed threshold response to relaxing activity on the DRM at $10^{-10}M$ and the maximal relaxing effect was $120{\pn}7.0\%$ at $10^{-5}M$. The relaxing activity of this peptide on the starfish DRM increased in a dose-dependent manner.

키워드

참고문헌

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피인용 문헌

  1. 별불가사리 추출물의 면역세포 활성화 효과 vol.36, pp.3, 2007, https://doi.org/10.3746/jkfn.2007.36.3.269
  2. Marine natural products vol.24, pp.1, 2007, https://doi.org/10.1039/b603047p