Sperm News and Research

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The term sperm refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.

Risk of birth defects linked to certain jobs dads do

Several types of job carried out by future fathers may be linked to an increased risk of birth defects in their babies, suggests research published online in Occupational and Environmental Medicine.

18 Jul 2012

DRCRF names 21 new Damon Runyon Fellows

The Damon Runyon Cancer Research Foundation, a non-profit organization focused on supporting innovative early career researchers, named 21 new Damon Runyon Fellows at its spring Fellowship Award Committee review.

11 Jul 2012

Increasing obesity could cut some couples' fertility in half

As American waistlines continue to expand, research shows that increasing obesity could cut some couples' fertility in half, leading ultimately to a population decline, says one expert in fertility and obesity.

10 Jul 2012

Toxins and cell death: Interview with Professor Denise Montell

There are multiple kinds of cell death. Cells can undergo programmed cell death, which is a series of events that undergoes a predictable order at certain times during development.

6 Jul 2012

Women with higher intake of dietary saturated fats have fewer mature oocytes available for IVF

Women with a higher intake of dietary saturated fats have fewer mature oocytes available for collection in IVF, according to results of a study from the Harvard School of Public Health funded by the US National Institutes of Health.

3 Jul 2012

Massive study outlines success for assisted reproductive technology

A groundbreaking study of nearly 250,000 U.S. women reveals live birth rates approaching natural fertility can be achieved using assisted reproductive technology, where eggs are removed from a woman's ovaries, combined with sperm and then returned to the woman's body.

29 Jun 2012

Biological filter to remove estrogens from waste water and drinking water

A biological filter to remove estrogens from waste water and drinking water. The 15 Bielefeld students submitting this project to the 'international Genetically Engineered Machine competition' (iGEM) at the Massachusetts Institute of Technology (MIT) in Boston, USA are setting their sights high.

26 Jun 2012

Weight loss can reduce prevalence of low testosterone levels in men with prediabetes

Weight loss can reduce the prevalence of low testosterone levels in overweight, middle-aged men with prediabetes by almost 50 percent, a new study finds. Results will be presented Monday at The Endocrine Society's 94th Annual Meeting in Houston.

26 Jun 2012

Male hormonal contraceptives applied daily to the skin reduce sperm production

Male hormonal contraceptives applied daily to the skin reduce sperm production, finds a new study to be presented Sunday at The Endocrine Society's 94th Annual Meeting in Houston.

26 Jun 2012

Smoking of fathers before conception can damage genetic information of their offspring

As you decide what to get dad for Father's Day, you might want to consider what he gave you when you were conceived. If he smoked, your genes are likely damaged, and your odds for cancers and other diseases throughout your life could be increased. A new research report appearing online in the FASEB Journal, scientists show for the first time in humans that men who smoke before conception can damage the genetic information of their offspring.

23 Jun 2012

Oxytocin hormone plays an important role in Williams syndrome

The hormone oxytocin - often referred to as the "trust" hormone or "love hormone" for its role in stimulating emotional responses - plays an important role in Williams syndrome (WS), according to a study published June 12, 2012, in PLoS One.

23 Jun 2012

Long-lasting weekly fertility injections work as well as daily

New long-lasting weekly injections of fertility hormones are as safe and effective as standard daily injections, according to Cochrane researchers. The researchers compared weekly and daily hormone injections in a Cochrane systematic review and found no difference in pregnancies or serious side effects between the two regimens.

13 Jun 2012

Scientists develop new low-dose CT-scan technique

Scientists have developed an X-ray imaging method that could drastically improve the contrast of computed tomography (CT) scans whilst reducing the radiation dose deposited during the scan. The new method is based on the combination of the high contrast obtained by an X-ray technique known as grating interferometry with the three-dimensional capabilities of CT.

5 Jun 2012

Scientists discover key gene essential for sperm development

A new type of male contraceptive could be created thanks to the discovery of a key gene essential for sperm development.

25 May 2012

Breakthrough in understanding the causes of unexplained male infertility

The diagnosis of male fertility is usually performed through the observation of the sperm in the microscope. However, a normal quality semen does not guarantee an adequate fertility. In fact, there is a considerable proportion of cases of unexplained infertility and data suggest that abnormal sperm function may have a genetic or molecular origin.

24 May 2012

Free seminar focuses on family building for lesbian community

The American Fertility Association (The AFA), in association with California Cryobank, announced today a free seminar focused on family building for the lesbian community.

19 May 2012

Linkam Scientific temperature controlled warm stages chosen for sperm motility in human fertility testing

Market leaders in temperature controlled microscopy, Linkam Scientific Instruments, have been chosen by an NHS Fertility clinic as suppliers of a controlled warm stage to perform routine semen analysis at body temperature.

From Linkam Scientific Instruments 16 May 2012

Vejthani Hospital offers most effective procedure in gender selection

Vejthani Hospital Bangkok recommends a gender selection procedure for a couple who desire to choose a child's gender at Vejthani ART Center.

16 May 2012

NEJM publishes results from Celgene’s REVLIMID phase III studies on MM

Celgene International Sàrl, a subsidiary of Celgene Corporation, today announced that results from three phase III studies evaluating the use of continuous REVLIMID(lenalidomide) treatment in newly diagnosed multiple myeloma (MM) patients or maintenance treatment with lenalidomide following autologous stem cell transplant were published online in the May 10, 2012 edition of the New England Journal of Medicine.

11 May 2012