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- W3038361694 abstract "The evaluation of conventional and biofunctional sperm parameters is of fundamental importance for assessing male reproductive function. Among these, sperm motility is one of the most important parameters. Indeed, asthenozoospermia is a frequent cause of male infertility. Sperm motility depends on mitochondrial function and the measurement of mitochondrial membrane potential (MMP) better accounts for the function of this intracellular organelle. On the basis of these premises, the present study assessed whether the MMP predicts sperm motility at 4 h in patients with low or normal MMP. To accomplish this, 31 men were enrolled. Sperm analysis was conducted according to the WHO 2010 criteria. Particular attention was paid to the evaluation of MMP after liquefaction (T0) using JC-1 staining by flow cytometry. Sperm total and progressive motility were measured at T0 and after 4 h from seminal fluid collection (T4). Patients were divided into two groups based on their sperm mitochondrial function at T0. Group A (n = 18) was composed of men with normal mitochondrial function since they had a percentage of spermatozoa with low MMP (L-MMP) below the normal reference value of our laboratory (<36.5%). In contrast, group B (n = 13) was made up of men with impaired sperm mitochondrial function (L-MMP > 36.5%). Group A had a slight but not significant reduction in total and progressive sperm motility at T4 compared with the values recorded at T0. In contrast, patients in group B showed a significant decline in both total and progressive sperm motility at T4 compared with T0 (p < 0.05). The results of this study showed that worse mitochondrial function, assessed by staining with JC1, is associated with a significant decline in sperm motility over time. These findings may be of clinical relevance in programs of assisted reproduction techniques. Based on our knowledge, there is no other evidence in the literature that has shown this relationship in healthy men with low MMP of idiopathic etiology, but normozoospermics according to the WHO 2010 criteria." @default.
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- W3038361694 date "2020-07-07" @default.
- W3038361694 modified "2023-09-29" @default.
- W3038361694 title "Mitochondrial Membrane Potential Predicts 4-Hour Sperm Motility" @default.
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- W3038361694 doi "https://doi.org/10.3390/biomedicines8070196" @default.
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