Genetics
Gene discovery points towards non-hormonal male contraceptive
A new type of male contraceptive could be created thanks to the discovery of a key gene essential for sperm development.
May 24, 2012
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News tagged with sperm
Medical research
Fertilization discovery: Do sperm wield tiny harpoons?
Could the sperm harpoon the egg to facilitate fertilization? That's the intriguing possibility raised by the University of Virginia School of Medicine's discovery that a protein within the head of the sperm forms spiky filaments, ...
Aug 26, 2015
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Medical research
A handsome face could mean lower semen quality
Contrary to what one might expect, facial masculinity was negatively associated with semen quality in a recent Journal of Evolutionary Biology study.
Sep 2, 2014
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Medical research
Researcher identifies 6,000 sperm proteins, potentially leading to male contraceptive
A researcher has for the first time profiled 6,000 sperm proteins that could help create a non-hormonal male contraceptive—while also building on key research linking sperm health to overall men's health.
Dec 2, 2022
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Psychology & Psychiatry
Male mice exposed to chronic social stress have anxious female offspring
A study in mice conducted by researchers at Tufts University School of Medicine (TUSM) suggests that a woman's risk of anxiety and dysfunctional social behavior may depend on the experiences of her parents, particularly fathers, ...
Aug 22, 2012
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Health
New study finds association between insecticide exposure and lower sperm concentration in adult men
Melissa J. Perry, Sc.D., MHS, dean of the George Mason University College of Public Health, and a team of researchers including Lauren Ellis, MPH, doctoral student at Northeastern University, have found in a new systematic ...
Nov 15, 2023
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Oncology & Cancer
Researchers restore fertility in non-human primate model of childhood cancer survivorship
One in three childhood cancer survivors is at risk of becoming infertile due to chemotherapy or radiation, and since their sperm or eggs have not matured, assisted reproduction using those sperm or eggs is not an option when ...
Mar 21, 2019
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Health
Study reveals birth defects caused by flame retardant
A new study from the University of Georgia has shown that exposure to a now-banned flame retardant can alter the genetic code in sperm, leading to major health defects in children of exposed parents.
Jun 9, 2020
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Medical research
No NELL2, no sperm motility—novel protein is essential for male fertility
Newly produced spermatozoa within the testis are not fully functional until they mature in the epididymis, a duct that helps to transport and store sperm. Male infertility may arise from lack of communication between the ...
Jul 9, 2020
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Obstetrics & gynaecology
A pack of walnuts a day keeps the fertility specialist away?
A paper published 15 August 2012 in Biology of Reproduction's Papers-in-Press reveals that eating 75 grams of walnuts a day improves the vitality, motility, and morphology of sperm in healthy men aged 21 to 35.
Aug 15, 2012
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