3 years ago

Can SCSA and TUNEL forecast apoptosis‐related motility depletion in Asthenozoospermia?

This study is an attempt to determine the power of SCSA and TUNEL for the evaluation of apoptosis status and apoptosis‐related motility depletion in Asthenozoospermia. Fifty‐one semen samples from Asthenozoospermic and 20 samples from fertile men participated in this study. SCSA and TUNEL were applied for the assessment of DNA integrity by flow cytometry. Annexin V conjugated with FITC labelling and FLICA method were used for the assessment of externalisation of phosphatidylserine and spermatozoon with active Caspase 3 respectively. SCSA results were shown to have a significant correlation with EPS in live spermatozoon (r = .85, p value = .00) and spermatozoon with active Caspase 3 (r = .633, p value = .00). TUNEL result was revealed to have a nonsignificant positive correlation with them. Then, Asthenozoospermic individuals were divided into two groups, SCSA higher and SCSA lower than 27%. Results interestingly indicated that the two groups significantly differed from each other in terms of TUNEL, EPS in live spermatozoon, spermatozoon with active Caspase 3 and sperm vitality (p value = .00). Both SCSA and TUNEL were correlated with apoptosis‐related motility depletion in Asthenozoospermia. However, SCSA might be more powerful than TUNEL and could provide reliable information about DNA, chromatin integrity and apoptosis status in Asthenozoospermia.
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