Delanghe J, Comhaire F, de Buyzere M, Vermeulen L
Int J Androl. 1985 Jun;8(3):186-92. doi: 10.1111/j.1365-2605.1985.tb00833.x.
The heterogeneity of gamma-glutamyltranspeptidase (GGT) in seminal plasma has been studied using Con A-chromatography. This parameter was then related to the fructose concentration, the acid phosphatase activity, ejaculate volume, sperm density and the number of bacteria per ml. Multivariate regression analysis and stepwise elimination of the least fitting factors, revealed that Con A-binding correlated with the number of bacteria per ml of semen and the acid phosphatase activity with 49% of the variance of GGT-binding being explained by these parameters. This result suggests that glycosylation of seminal GGT is altered by accessory gland infection. Neuraminidase digestion suggests that the pattern of Con A-binding of seminal GGT depends only partly on its sialic acid content.
利用伴刀豆球蛋白A层析法研究了精浆中γ-谷氨酰转肽酶（GGT）的异质性。然后将该参数与果糖浓度、酸性磷酸酶活性、射精量、精子密度以及每毫升细菌数相关联。多变量回归分析和逐步剔除拟合度最低的因素后发现，伴刀豆球蛋白A结合与每毫升精液中的细菌数以及酸性磷酸酶活性相关，这些参数解释了GGT结合变异的49%。该结果表明，附属腺感染会改变精浆GGT的糖基化。神经氨酸酶消化表明，精浆GGT的伴刀豆球蛋白A结合模式仅部分取决于其唾液酸含量。
