Evidence for production of an inactive collagenase by fibroblasts from phenytoin-enlarged human gingivae.

Evidence for production of an inactive collagenase by fibroblasts from phenytoin-enlarged human gingivae.
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来自苯妥英增大的人牙龈的成纤维细胞产生无活性胶原酶的证据。

DOI:
10.1111/j.1600-0714.1982.tb00171.x
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发表时间:
1982
期刊:
Journal of oral pathology
影响因子:
--
通讯作者:
Hassell,TM
Hassell,TM
中科院分区:
--
文献类型:
--
作者:
Hassell,TM

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通过放射免疫测定,与未使用苯妥英治疗的正常人的成纤维细胞相比,来自苯妥英治疗的癫痫患者的过度生长的牙龈的成纤维细胞在体外合成和释放的胶原蛋白量增加。然而,似乎大部分的免疫反应酶在培养中不能降解重组胶原蛋白。这一在9种不同细胞株中的初步发现表明,胶原酶活性降低的细胞亚群可能有助于苯妥英诱导的牙龈过度生长。
When measured by radioimmunoassay, fibroblasts derived from the overgrown gingivae of phenytoin‐treated epileptic individuals synthesize and release elevated amounts of collagenasein vitro, as compared to similar‐appearing fibroblasts from normal, non‐phenytoin‐treated persons. However, it appears that much of the immunoreactive enzyme is unable to degrade reconstituted collagen in culture. This preliminary finding in 9 different strains of cells indicates that reduced collagenase activity by a subpopulation of cells may contribute to the development of phenytoin‐induced gingival overgrowth.
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