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The Effect Of Age On The Expression Of Apoptosis Biomarkers In Human Spermatozoa, A. Colin, G. Barroso, N. Gomez-Lopez, Eyup Duran, S. Oehninger
The Effect Of Age On The Expression Of Apoptosis Biomarkers In Human Spermatozoa, A. Colin, G. Barroso, N. Gomez-Lopez, Eyup Duran, S. Oehninger
Eyup Hakan Duran
OBJECTIVE: To evaluate the impact of age on the expression of apoptotic biomarkers in human spermatozoa. DESIGN: Cross sectional, prospective study. SETTING: Academic centers. PATIENT(S): Healthy volunteers with proven fertility, stratified by age (n = 25, range: 20-68 years). INTERVENTION(S): Examination of serum hormone levels and basic semen parameters, and assessment of early (plasma membrane translocation of phosphatidylserine) and late (DNA fragmentation) sperm apoptotic markers by flow cytometry (using Annexin-V binding and terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling). MAIN OUTCOME MEASURE(S): Apoptosis markers. RESULT(S): Advancing male age was significantly and positively correlated with Annexin-V binding results. Although not significant, …