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Impaired sperm motility

Only 3 specimens were refractive to PF treatment Figure 1. In the same year, Foresta et al. For full functionality, it is necessary to enable JavaScript. Although a truncated 0. However, PF treatment before freezing improved the acrosome reaction to ionophore challenge test scores in cryopreserved spermatozoa 9. Some epithelial cells of the female reproductive tract are ciliated, and normal beating of these organelles could be important for gamete and embryo transport. Treatments that increase intracellular cAMP concentrations often cause an increase in sperm motility and kinematics as well as in the agonist-induced acrosome reaction 9 and fertilization rates 5,6.
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Biomedical Research

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How does sperm motility affect fertility?

Correlation of sperm motility with mitochondrial enzymatic activities. Nonetheless, many men who have a low sperm count are still able to father a child. Bars represent ARIC scores for each individual: Assessment of viability, acrosome status and ionophore-induced acrosome reaction Acrosome status was assessed with FITC-PNA in combination with the nuclear stain bis-benzimide to monitor viability. The DNA was transferred to nylon membranes and probed with a Spag16 -specific probe downstream of the homologous recombination region.
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Correlation of sperm motility with mitochondrial enzymatic activities | Clinical Chemistry

We have recently identified a gene product ROPN1 that appears to be critical for both sperm motility and fertility. Common causes of a low sperm count and lifestyle factors that impact male fertility. However, in mice lacking Spag6, the disorganization of sperm structure extends beyond instability of the central apparatus microtubules and includes the fragile attachment of the sperm head as well as disarray of the outer microtubule doublets and outer dense fibers. In addition, these sperm had no obvious structural defects in the axoneme, i. The fusion protein was purified and rabbit polyclonal antibodies were generated as reported previously [ 18 ].
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Many women gain weight around the menopausal transition. This page was printed from: Histology and immunoelectron microscopy and transmission electron microscopy. PF16 encodes a protein with armadillo repeats and localizes to a single microtubule of the central apparatus in Chlamydomonas flagella. Conditional ablation of the RFX4 isoform 1 transcription factor:
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