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.

Fertility experts announce new research findings on reproductive medicine

Reproductive medicine is one of today's most exciting scientific and clinical areas. Every month brings announcements of research developments, medical 'firsts', new rulings by regulatory bodies, or ethical controversies.

11 Dec 2009

Watson Pharmaceuticals' RAPAFLO demonstrates safety and tolerability in BPH treatment

Watson Pharmaceuticals, Inc. today announced that the results of an open-label extension of two Phase 3 studies, published in the December issue of the peer-reviewed journal Urology, demonstrate long-term safety and tolerability of RAPAFLO® (silodosin) for up to 52 weeks of treatment. RAPAFLO® is an effective and uniquely selective alpha blocker for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH), the number one reason patients visit urologists.

9 Dec 2009

Sperm from men with NOA and OA capable of producing embryos

It has been thought that men with non-obstructive azoospermia (NOA), a lack of sperm in the semen not caused by an obstruction within the reproductive system, are poor candidates for IVF. Now, researchers writing in the open access journal Reproductive Biology and Endocrinology have shown that sperm from men with NOA and obstructive azoospermia (OA) are equally capable of producing embryos.

3 Dec 2009

University of Michigan scientists discover how SEVI works

Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of thwarting its infection-promoting activity.

20 Nov 2009

Does prolonged exposure to paternal antigens protect against pregnancy-induced hypertension?

Faculty of 1000 reviewers examine a study from New Zealand on whether prolonged exposure to the father's semen protects new mothers against pre-eclampsia and having an undersized baby.

13 Nov 2009

Microbix Biosystems receives Health Canada's marketing and export approval for KINLYTIC

Microbix Biosystems Inc. today announced that KINLYTIC (urokinase for injection) has been approved in Canada for marketing and export. Health Canada's issuance of a Drug Identification Number for KINLYTIC gives Microbix the opportunity to market the product in Canada and export the clot-busting therapy to markets worldwide.

11 Nov 2009

Prepubertal boys with cancer can bank on their testicular tissue for preserving fertility

For parents of children with cancer, the hopeful news is that pediatric survival rates have steadily improved for decades. Among the bad news-treatments that enable survival often cause infertility.

10 Nov 2009

Sperm can transmit HIV to macrophages and dendritic cells

Sperm, and not just the fluid it bathes in, can transmit HIV to macrophages, T cells, and dendritic cells (DCs), report a team led by Ana Ceballos at the University of Buenos Aires in Argentina.

27 Oct 2009

Testicular cancer survivors at risk of effective treatment

Testicular cancer survivors can face an increased risk of long-term illness, not because of the malignancy, but the highly effective treatment they receive, according to a study in the urology journal BJUI.

20 Oct 2009

BJUI: Testicular cancer survivors face an increased risk of long-term illness due to effective treatment

19 Oct 2009

Chemicals found in breast milk adversly affect the fetal testis

A comparison of breast milk samples from Denmark and Finland revealed a significant difference in environmental chemicals which have previously been implicated in testicular cancer or in adversely affecting development of the fetal testis in humans and animals. This finding is published today in the International Journal of Andrology.

25 Sep 2009

Children with minimal change nephrotic syndrome can be treated with prednisone

A kidney condition that can arise in children and was until recently believed to disappear after puberty may persist into adulthood and cause significant long-term complications, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society Nephrology (CJASN). The findings indicate that better treatment options are needed for children with the disorder, called minimal change nephrotic syndrome.

25 Sep 2009

ESHRE's first workshop on male infertility

ESHRE invites you to attend its first workshop on male infertility in Thessaloniki, Greece "Reproductive andrology: linking laboratory to clinical practice". The workshop provides a forum for clinicians and scientists to share research results and discuss new developments.

16 Sep 2009

Phase III STARTMRK clinical study on ISENTRESS in comparison to efavirenz

ISENTRESS , an integrase inhibitor from Merck & Co., Inc., was studied in comparison to efavirenz in maintaining viral load suppression to undetectable levels (less than 50 copies/mL) and at improving CD4 cell counts in previously untreated (treatment-naïve) HIV-1-infected patients through 96 weeks in a Phase III study called STARTMRK.

14 Sep 2009

New kind of “molecular condom” to protect women from AIDS

University of Utah scientists developed a new kind of “molecular condom” to protect women from AIDS in Africa and other impoverished areas. Before sex, women would insert a vaginal gel that turns semisolid in the presence of semen, trapping AIDS virus particles in a microscopic mesh so they can’t infect vaginal cells.

10 Aug 2009

University at Buffalo start-up provides innovative digital sperm analysis to infertile couples worldwide

Couples struggling with fertility problems have a new option for assessing their ability to have a child with the start-up of a new Buffalo-based company called LifeCell Dx, Inc. (LCDX).

27 Jul 2009

Daily sex good for sperm!

An Australian scientist says a daily dose of sex is the best thing for producing healthy sperm and daily ejaculation works just as well.

5 Jul 2009

Frequent sex improves sperm quality

Daily sex (or ejaculating daily) for seven days improves men's sperm quality by reducing the amount of DNA damage, according to an Australian study presented today (Tuesday) to the 25th annual meeting of the European Society of Human Reproduction and Embryology in Amsterdam.

30 Jun 2009

Intense cycling training damages sperm

The high-intensity training undertaken by triathletes has a significant impact on the quality of their sperm, the 25th annual conference of the European Society of Human Reproduction and Embryology heard today (Monday 29 June). Professor Diana Vaamonde, from the University of Cordoba Medical School, Cordoba, Spain, said that the triathletes who did the most cycling training had the worst sperm morphology.

29 Jun 2009