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Discovery about fertilization points way to possible malaria vaccine
International investigations of an organism that one
UT Southwestern Medical Center researcher calls a "silly little green scum" have led to key insights into the basic mechanisms of reproduction.
view more (2008-03-26)
New technique could sustain cancer patients' fertility
Researchers funded by the National Institutes of Health have completed a critical first step in the eventual development of a technique to retain fertility in women with cancer who require treatments that might otherwise make them unable to have children. view more (2009-07-15)
Injection may prevent infertility in men receiving cancer chemotherapy
It may be possible to protect the testes of cancer patients against the loss of fertility caused by chemotherapy, a scientist told the 22nd annual conference of the European Society of Human Reproduction and Embryology in Prague, Czech Republic. view more (2006-06-21)
In Birds, Expecting to Mate Leads to Higher Fertilization Rates
From an evolutionary perspective, the primary task of an organism is to pass along its genes to future generations. Such genetic transmission is usually assumed to be instinctive. However, a new study shows that species also learn to adapt to their surroundings in order to increase their "reproductive fitness"-- the likelihood that they... view more... (2007-10-05)
Researchers find gene that spurs development of the epididymis
Human sperm cells travel up to 6 meters in their transit from testes to penis, and most of that journey occurs in the epididymis, a tightly coiled tube that primes the cells for their ultimate task: fertilization. view more (2007-06-28)
New male contraceptive clears hurdle
Tyler Dunlap, a 27-year-old newlywed in San Francisco, is just one of the many American men eagerly awaiting the results of a new male contraceptive clinical trial in India. view more (2006-03-31)
MEN WITH LOW FERTILITY HAVE DOUBLE THE RISK OF TESTICULAR CANCER
The incidence of testicular cancer has increased in the past 50 years and there is some evidence to suggest that sperm quality has reduced in the same period, leading to an increase in male subfertility. In this week's BMJ, Henrik M'¸ller and Niels Skakkeb'¦k from the Danish National Research Foundation report that men with low relative fertility... view more... (1999-02-26)
Mothers transmit DNA through daughters only
Scientists have argued whether or not the often-studied mitochondrial DNA molecule is clonally inherited. It is with assuming clonal inheritance this type of DNA has been used to track the origin of modern human as well as to draw pictures of genetic relationships among other animals and plants. The conflict has now been solved by two evolutionary... view more... (2001-09-06)
Research tracks whales by listening to sounds
Researchers have developed a new tool to help them study endangered whales - autonomous hydrophones that can be deployed in the ocean to record the unique clicks, pulses and calls of different whale species. view more (2006-01-03)
First study of children born after in vitro maturation indicates the technique is safe
Children born after female eggs were matured in the laboratory are healthy, according to the first survey of babies born using this technique. Since 1997 doctors at the Fertility Clinic in Herlev, Denmark, have been helping women to have babies using a technique called in vitro maturation. This involves taking immature oocytes (eggs) from the... view more... (2003-06-27)
Family SUNday on Saturday
view more (1999-05-17)
Penn Veterinary Researchers Identify a Critical Growth Factor That Stimulates Sperm Stem Cells to Thrive
Researchers at the University of Pennsylvania School of Veterinary Medicine and Pennsylvania State University have identified for the first time a specific "niche factor" in the mouse testes called colony stimulating factor 1, Csf1, that has a direct effect on sperm stem cell self-renewal. view more (2009-03-09)
Fears over ICSI largely groundless say fertility experts
Embargoed: 00.01 BST Wednesday 29 March 2000 Fears over ICSI largely groundless say fertility experts Most abnormalities in ICSI babies linked to multiple or premature births Fears that the controversial fertility treatment known as ICSI could cause a high level of abnormalities among babies are largely unfounded, according to major new research... view more... (2000-03-23)
Just Living With Females Extends the Reproductive Life of the Male Mouse, Says Penn Veterinary Researcher
Living with a female mouse can extend the reproductive life of a male mouse by as much as 20 percent, according to a study conducted by Ralph Brinster and a team of other researchers at the University of Pennsylvania School of Veterinary Medicine. view more (2009-01-26)
Steroid use fails to boost pregnancy rates in infertility treatments
There is no clear benefit from a hormone commonly prescribed to enhance the effectiveness of infertility treatments, according to a new review of studies. view more (2007-03-02)
Italian research reveals a new twist in the battle of the sexes
How nature tries to compensate for the vulnerability of male babies.. New research from Italy reveals that mother nature tries very hard to compensate for the fact that male foetuses and newborns are more fragile than females by allowing significantly more boys to be conceived at a time of year when conditions for pregnancy and birth are optimal.... view more... (2003-03-24)
UT Knoxville professor finds unexpected key to flowering plants' diversity
What began with an off-the-cuff curiosity eventually led Joe Williams to hang from the limbs of a tree 80 feet above the soil of northeastern Australia. view more (2008-07-29)
Use eggs, not embryos, to derive stem cells, say researchers
Concerns about the ethics of using embryos created to treat infertile couples for stem cell research is discussed by researchers at St Mary's Hospital, Manchester in this week's BMJ. Although the Human Fertilisation and Embryology Act 1990 allows the creation of embryos for research in the United Kingdom, the House of Lords Select Committee on... view more... (2003-10-08)
Publication of consultation document on donor anonymity and British Fertility Society's response
Anonymity of sperm and egg donors has been the subject of increasing debate over recent years. The Department of Health have sought the views of the public and professionals as to whether, and to what extent, information about people who have donated sperm, eggs or embryos should be given to children born as the result of those donations.1,2 The... view more... (2002-08-20)
A key to male fertility
Until now, mutations of the LH hormone receptor were the only explanation known for sexual precocity in boys. A team at the Institute of Genetics and Molecular and Cellular Biology (IGBMC, CNRS / Inserm / Université Louis Pasteur de Strasbourg)), in collaboration with researchers at the University of Dallas and the University of Louvain, has... view more... (2007-03-05)
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