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The aging Leydig cell. VIII. Protein kinase activity
The aging Leydig cell Protein kinase activity
2009/2/19
The effects of aging on cyclic AMP (cAMP) dependent protein kinase activity of purified Leydig cells were evaluated. Purified Leydig cells from 20-day-, 40-day-, 60-day- and 30-month-old rats were...
Correlation between the rate of lipid peroxidation and cellular maturity as measured by creatine kinase activity in human spermatozoa
Spermatogenesis sperm development oligospermia male fertility
2009/2/12
We have demonstrated previously that creatine kinase (CK) activity is a measure of cellular maturity and fertilizing potential in human spermatozoa. In the present work we have examined whether th...
Sperm creatine kinase activity in fertile and infertile oligospermic men
sperm (human) sperm CK sperm CK activity
2009/1/5
The authors examined the value of sperm creatine-kinase (CK) activity parameters to predict sperm fertilizing potential of oligospermic men. Two patient groups from our intrauterine insemination pro...
Effects of luteinizing hormone, follicle-stimulating hormone, and epidermal growth factor on expression and kinase activity of cyclin-dependent kinase 5 in Leydig TM3 and Sertoli TM4 cell lines
luteinizing hormone follicle-stimulating hormone growth factor kinase activity cyclin-dependent kinase 5
2008/12/25
We examined the effects of luteinizing hormone (LH), follicle-stimulating hormone (FSH), and epidermal growth factor (EGF) on the expression and kinase activity of cyclin-dependent kinase 5 (Cdk5)...