Enzyme Activities in Human Endometrium, Myometrium and Leiomyomas of the Uterus

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Abstract
Certain selected enzymes of carbohydrate metabolism were measured in samples of endometrium and myometrium from women who were premenopausal or postmenopausal. In addition, a number of samples of leiomyoma were obtained and assayed. Activities of several enzymes were higher in endometrium from premenopausal women compared to those in postmenopausal women; activities in myometrium were similar regardless of menopausal status. The activities of G6PD, ICD and GPI appeared to be lower in leiomyoma samples versus myométrial samples from premenopausal women; however, these differences were not apparent when enzyme activity was expressed per milligram protein.