Abnormalities in collagenase expression as in vitro markers for recessive dystrophic epidermolysis bullosa.
Abnormalities in collagenase expression as in vitro markers for recessive dystrophic epidermolysis bullosa.
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胶原酶表达异常作为隐性营养不良性大疱性表皮松解症的体外标志物。
DOI:
10.1111/1523-1747.ep12545885
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发表时间:
1982
期刊:
影响因子:
--
通讯作者:
Bauer,EA
中科院分区:
文献类型:
--
作者:
Bauer,EA
In order to correlate a characteristic clinical phenotype with biochemical abnormalities in recessive dystrophic epidermolysis bullosa, fibroblast cultures were established from 4 typical patients with the severe form of the disease. Collagenase, the enzyme implicated in the pathogenesis of blistering, was presentin vitroin 2- to 4-fold greater concentrations than in control fibroblast cultures. Partially purified preparations of this enzyme displayed marked thermal lability and diminished affinity for Ca2+, a metal cofactor, suggesting the existence of a mutant enzyme. The data suggest that these 3 biochemical abnormalities, increased synthesis, decreased thermal stability and diminished affinity for Ca2+, should serve as reliablein vitromarkers for genetic discrimination of recessive dystrophic epidermolysis bullosa.
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