Tag Archives: sperm

New gene involved in male infertility discovered

A new gene that controls the completion of meiosis in spermatogenesis has been discovered by researchers from Kumamoto University in Japan. The researchers believe that this may lead to an advancement in reproductive medicine, like identifying causes for infertility from … Continue reading

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No swimming? Molecule regulating sperm motility discovered

A team from Osaka University has used protein sequence data analysis and genome editing technology to find a gene, SPATA33, that plays an important role in sperm motility regulation. Targeting the mechanism by which SPATA33 controls sperm motility adds a … Continue reading

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Study: marijuana can cause infertility in men

As more states legalize marijuana, a new study by a Tulane University researcher has a warning for would-be dads. Smoking weed regularly may harm a man’s fertility. Researchers from Tulane and the University of Washington found a connection between low semen volume … Continue reading

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Male fertility is declining – environmental toxins could be a reason

Dr. Ryan P. Smith, an associate professor of urology at the University of Virginia, recently wrote a piece for the online magazine the Conversation about declines in male fertility. “For men, the cornerstone of the fertility evaluation is semen analysis, … Continue reading

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New discovery could help diagnose, treat male infertility

Scientists at The University of Toledo discovered new movement in sperm that provides innovative avenues for diagnostics and therapeutic strategies for male infertility. The research, published in Nature Communications, finds that a newly discovered sperm structure in the sperm neck, called the … Continue reading

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Sperm stem cell therapy improved: study

The ability of stem cells to fix impaired functions of host tissues after transplantation has been a lifesaving breakthrough in treating previously incurable conditions. Much like a coin toss, however, the fate of the transplanted stem cells is unpredictable. They … Continue reading

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Sperm help ‘persuade’ female to accept pregnancy

Sperm are generally viewed as having just one action in reproduction – to fertilize the female’s egg – but studies at the University of Adelaide in Australia are overturning that view. Published in Communications Biology, new research shows that sperm … Continue reading

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Sperm compete by ‘poisoning’ competitors: study

It is literally a race for life when millions of sperm swim towards the egg cells to fertilize them. But does pure luck decide which sperm succeeds? As it turns out, there are differences in competitiveness between individual sperm. In … Continue reading

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Sperm quality improves after adding nuts to diet, study finds

Many environmental and lifestyle factors have been implicated in the decline of sperm quality, with diet being one of the most plausible factors identified in recent years. Moreover, several studies have reported a close association between the alteration of specific … Continue reading

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COVID-19 may impact male fertility, study finds

Severe cases of COVID-19 might harm the quality of a man’s sperm and possibly impact his fertility, according to a recent study published in the journal Reproduction. “This report provides the first direct evidence to date that COVID-19 infection impairs … Continue reading

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