• 제목/요약/키워드: bleb forming assay

검색결과 3건 처리시간 0.016초

능소화의 꽃받침으로부터 Protein Kinase C 저해물질인 Verbascoside의 분리 및 그 생물활성 (Isolation and Biological Activity of Verbascoside, A Potent Inhibitor of Protein Kinase C from the Calyx of Campsis grandiflora)

  • 이현선;박문수;오원근;안순철;김보연;김환묵;오구택;민태익;안종석
    • 약학회지
    • /
    • 제37권6호
    • /
    • pp.598-604
    • /
    • 1993
  • The calyx extract of Campsis grandiflora displayed inhibitory activity against protein kinase C from the bovine brain. Separation guided by protein kinase C enzyme assay and bleb forming assay led to isolation of a potent protein kinase C inhibitor that was identified as a known phenylpropanoid glycoside, verbascoside. It suppressed completely bleb-formation of K562 cell surface induced by phorbol 12,13-dibutylate at the concentration of 60 $\mu\textrm{g}$/ml and IC$_{50}$ of the protein kinase C occured at 20 $\mu{M}$. This compound was tested for cytotoxic activity against ten human tumor cell lines in vitro. it exhibited moderate cytotoxic activity against skin tumor cell line M14 (IC$_{50}$ 2.2 $\mu\textrm{g}$/ml) and very weak cytotoxicity against other cell lines (IC$_{50}$>10 $\mu\textrm{g}$/ml)

  • PDF

수종 생약의 Protein kinase C 저해활성 (Inhibitory Activity against Protein Kinase C of Some Medicinal Plants)

  • 이현선;안순철;김보연;박문수;오원근;윤병대;안종석;민태익
    • 생약학회지
    • /
    • 제23권3호
    • /
    • pp.142-145
    • /
    • 1992
  • MeOH extract of twenty medicinal herbs were screened for their effects against protein kinase C (PKC) using bleb-forming assay and PKC enzyme assay. Smilax china and Sanguisorba officinalis showed potent anti-PKC activity. Campsis grandiflora and Galla Halepensis showed moderate inhibitory effect on PKC.

  • PDF

국내 약용 및 식용식물중 항종양활성 식물탐색 (Screening of Korean Medicinal and Food Plants with Antitumoral Activity)

  • 정일민;김광호;안종국;안종석;안순철
    • 한국약용작물학회지
    • /
    • 제7권1호
    • /
    • pp.37-44
    • /
    • 1999
  • 60종(種)의 약용식물과 식용작물을 대상으로 항종양활성등의 생리활성을 조사함으로서 약용식물과 식용작물의 유용적인 측면의 확인뿐만 아니라 나아가서 새로운 생리활성물질 탐색의 가능성을 검토하기 위해서 실험하였으며 결과는 다음과 같다. 약용식물 및 식용작물에 대한 80% EtOH 추출물을 이용하여 항종양효과를 보면 PKC법에서는 명아주(73.4%) 및 antibleb형성억제력검정에서는 검정콩이, PLC법에서는 검정콩(91.9%), MTT법에서 50%의 억제력을 나타내는 농도$(IC_{50})$가 검정콩과 쑥의 경우 각각 $4.7{\mu}g/ml$을 보였다.

  • PDF