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Arylsulphatase C and sterol sulphatase activities in microsomes from human placenta

Gniot-Szulzycka, J.

Acta Biochimica Polonica 29(3-4): 205-212

1982

ISSN/ISBN: 0001-527X
PMID: 6961709
Document Number: 192390
Microsomes of human placenta were tested with respect to sulphohydrolase activity towards p-nitrophenyl sulphate, oestrone sulphate, dehydroepiandrosterone sulphate and pregnenolone sulphate. Microsomal sulphohydrolases were solubilized by treatment with 0.5% Triton X-100 at pH 9.0. Bio-gel A 1.5 m column chromatography allowed to separate the microsomal arylsulphatase into subfractions differing in molecular mass and substrate specificity. Oestrone sulphate sulphohydrolase appeared to be as specific for microsomal fraction as glucose-6-phosphatase.

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