Constitutive production of procollagenase and tissue inhibitor of metalloproteinases by human keratinocytes in culture.

Constitutive production of procollagenase and tissue inhibitor of metalloproteinases by human keratinocytes in culture.
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人角质形成细胞在培养物中组成型产生前胶原酶和金属蛋白酶组织抑制剂。

DOI:
10.1111/1523-1747.ep12276678
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发表时间:
1989
期刊:
The Journal of investigative dermatology
影响因子:
--
通讯作者:
O'Keefe,EJ
O'Keefe,EJ
中科院分区:
--
文献类型:
--
作者:
Petersen,MJ;Woodley,DT;Stricklin,GP;O'Keefe,EJ

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在人角质形成细胞培养物中证明了前胶原酶和金属蛋白酶组织抑制剂的产生。这两种蛋白质免疫沉淀从角质形成细胞条件培养基与抗体的人真皮成纤维细胞胶原酶和金属蛋白酶的组织抑制剂和定量与酶联免疫吸附测定。用佛波酯,12-0-tetradecanoylphorbol-13-acetate处理角质形成细胞,使前胶原酶的合成和分泌增加6至34倍,但金属蛋白酶的组织抑制剂的产生仅增加3倍。胶原酶和金属蛋白酶的组织抑制剂mRNA存在于正常角质形成细胞中,与它们的成纤维细胞对应物大小相同,并且两者均响应于用12-0-tetradecanoylphorbol-13-acetate处理而增加。这些数据表明,I型胶原的重塑可能是人角质形成细胞在体内的重要功能。
Production of procollagenase and tissue inhibitor of metalloproteinases was demonstrated in human keratinocyte cultures. The two proteins were immunoprecipitared from keratinocyte-conditioned medium with antibodies to human dermal fibroblast collagenase and tissue inhibitor of metalloproteinases anal quantitated with enzyme-linked immunosorbent assays. Treatment of the keratinocytes with the phorbol ester, 12-0-tetradecanoylphorbol-13-acetate, produced a six to 34-fold increase in procollagenase synthesis and secretion but only a threefold increase in the production of tissue inhibitor of metalloproteinases. Collagenase and tissue inhibitor of metalloproteinases mRNAs were present in normal keratinocytes, were the same size as their fibroblast counterparts, and both increased in response to treatment with 12-0-tetradecanoylphorbol-13-acetate. These data suggest that remodeling of type I collagen may be ah important function of human keratinocytes in vivo.
DOI: 10.1016/s0021-9258(17)44166-4
发表时间: 1983
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影响因子: --
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