Semen News and Research

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Semen is an organic fluid, also known as seminal fluid, that usually contains spermatozoa. It is secreted by the gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize female ova. The process of discharge is called ejaculation.

Walnut-enriched diet may improve sperm quality, animal research suggests

New animal research suggests eating a walnut-enriched diet may improve sperm quality by reducing lipid peroxidation, a process that can damage sperm cells.

28 Feb 2017

Carotenoids increase attractiveness but not actual health, study shows

Findings published in the journal Behavioral Ecology reveal that skin with yellow and red pigments is perceived as more attractive in Caucasian males, but this skin coloring does not necessarily signal actual good health.

13 Feb 2017

Quest Diagnostics introduces new HBV test service to help evaluate patient’s response to drug therapies

24 Jan 2017

A test to evaluate Hepatitis B therapy launched by Quest Diagnostics

Quest Diagnostics, the world’s leading provider of diagnostic information services, today announced the launch of a new test service that helps physicians evaluate a patient’s response to drug therapies used to treat infection with the hepatitis B virus (HBV). The first test of its kind available in the United States, the test is significant because it may help physicians tailor more effective treatments for the up to 2.2 million individuals infected with HBV.

23 Jan 2017

Study shows clinical and psychosocial consequences following survival of Ebola infection

The long-term clinical and social sequelae following survival of Ebola infection are unknown.

18 Jan 2017

Study finds that T cells play important role in control of Zika infections

The worst of the global Zika virus outbreak may be over but many key questions remain, such as why the virus persists in certain tissues after the systemic infection has cleared; how does the immune system counteract the virus and protect against reinfection; what determines the likelihood of long-term complications?

12 Jan 2017

New antiretroviral treatments show potential to reduce chances of sexual transmission of HIV virus

More than 2 million people got infected by human immunodeficiency virus (HIV) in 2015, being sexual transmission the main channel of infection.

22 Nov 2016

Zika virus infection can break down and damage testes of male mice, new research shows

New research in male mice has revealed that Zika virus infection can break down and severely damage the animals' testes.

1 Nov 2016

Men can take contraceptives to prevent pregnancy in female partners, study shows

Men can take birth control shots to prevent pregnancy in their female partners, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

27 Oct 2016

Episona unveils first innovative new male fertility test at ASRM 2016

Episona Inc., an epigenetics data company focused on improving outcomes in reproductive health, announced today the launch of Seed, an innovative new male fertility test, at the American Society for Reproductive Medicine Scientific Congress& Expo.

19 Oct 2016

Researchers develop new technique that measures speed of rotating semen

The maths of collective behaviour has provided a new technique for selecting the best semen for artificial insemination in livestock.

17 Oct 2016

Study provides new insights into Zika's rapid infection and risk for transmission

Though first documented 70 years ago, the Zika virus was poorly understood when it burst onto the scene in the Americas in 2015.

7 Oct 2016

Researchers confirm long persistence of Zika virus in semen and reveal its presence within spermatozoa

Recent work has shown that Zika virus persists in semen for up to 6 months after infection. In a correspondence published in The Lancet Infectious Diseases, the researchers, in addition to confirming its long persistence in semen (in this case for more than 130 days, i.e., over 4 months), reveal the presence of the virus even within spermatozoa.

4 Oct 2016

Endogenous cannabinoid plays crucial role in activating spermatozoa for fertilization

During fertilization, a sperm must first fuse with the plasma membrane and then penetrate the female egg in order to penetrate it.

30 Aug 2016

Management of prostate cancer varies by race

A study published in The Journal of Urology® indicates that treatment for low-risk prostate cancer, rather than watchful waiting, is most likely to be sought by black men.

29 Jul 2016

MES announces global release of two new semen analysis products

Medical Electronic Systems today announced the worldwide release of two new products to supplement its full line of Automated and Manual semen analysis solutions.

22 Jul 2016

UCLA urologist debunks 5 common myths about vasectomies

Men can be very concerned about what happens during, and after, a vasectomy - specifically how it will affect them personally. Dr. Jesse Mills, a clinical professor of urology and director of The Men's Clinic at UCLA, says the many myths surrounding the procedure can make men rethink what is often a smart choice for them.

20 Jul 2016

PREVAIL IV trial opens in Liberia for EVD survivors with persistent traces of Ebola virus RNA

The Partnership for Research on Ebola Virus in Liberia, a U.S.-Liberia joint Clinical Research Partnership, today announced the opening of PREVAIL IV, a treatment trial for men who have survived Ebola virus disease (EVD) but continue to have evidence of Ebola virus genetic material, RNA, in their semen.

6 Jul 2016

Math professor develops scientific model to report ways Zika virus proliferates

A University of Miami math professor has developed a scientific model to address the various ways the Zika virus proliferates. The study, published June 17, 2016 in Scientific Reports, reveals that mosquito control should remain the most important mitigation method to control the virus.

29 Jun 2016

Sperm of smokers has greater extent of DNA damage than that of non-smokers

A recent study found that that sperm of men who smoke has a greater extent of DNA damage than that of non-smokers.

22 Jun 2016