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Cysteine proteinase inhibitors in human placenta.

作者信息

Warwas M, Sawicki G

出版信息

Placenta. 1985 Sep-Oct;6(5):455-63. doi: 10.1016/s0143-4004(85)80023-0.

Abstract

When human placental extract was chromatographed on a Sephadex G-75 column, cysteine proteinase inhibitors with molecular weights of 80 000 and 12 300 were eluted. The high molecular weight peak (CPI-H) was identified as alpha-cysteine proteinase inhibitor. The thermostable low molecular weight peak (CPI-L) inhibited plant proteinases (papain, ficin and bromelain) as well as cathepsins B, H and L isolated from the human placenta. No cross-reactivity was observed between placental CPI-L and serum alpha-CPI.

摘要

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