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A preliminary note on the hormonal induction of NADP-linked dehydrogenases in phytohaemagglutinin-stimulated human lymphocytes
Authors:Sei-Ichi Matsui   Tatsuro Ikeuchi  Samuel H. Hori
Affiliation:(1) Department of Zoology, Hokkaido University, Japan
Abstract:Synopsis Human leucocytes were culturedin vitro with either phytohaemagglutin or 17 beta-oestradiol or both, and the enzyme activities of nicotinamide adenine dinucleotide phosphate-linked glucose-6-phosphate dehydrogenase and isocitrate dehydrogenase were assayed. As a result, it was found that these enzymes were considerably induced by oestradiol in phytohaemagglutinin-stimulated lymphocytes, but not in non-stimulated cells. Electrophoretic studies on glucose-6-phosphate dehydrogenase showed that six molecular forms are demonstrable in normal and phytohaemagglutinin-stimulated leucocytes, and that one of the forms was specifically induced by oestradiol in the presence of phytohaemagglutinin.
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