Mother Nature Vs. Infertility Treatment CBS News, NY - Nov 14, 2008 Doctors will examine potential causes of both male infertility and female infertility. The results will help dictate and guide infertility treatment. ...
Research throws new light on male infertility Cordis News, Belgium - Nov 24, 2008 This could have huge implications for the question of fertility in human males. The quality of male sperm has shown a decline in recent decades, ...
Gov?t warns vs HIV danger in MSM sector Inquirer.net, Philippines - These are freelance sex workers in the streets, those working in nightclubs and girlie bars, male clients of sex workers and drug users. ...
Scientists put sex origin mystery to bed MSNBC - Nov 26, 2008 ...fertility and one sterility version become either male or female. (A female would result from a sterile male and fertile female combination of genes. ...
After the binge The Australian, Australia - ... depression, stroke, peripheral neuropathy, infertility (male), cardiovascular impairment (heart problems and elevated blood pressure). ...
Could Hairspray be Linked to Genital Birth Defects? HealthNews, CA - Nov 29, 2008 He also stated, ?There are a range of chemicals that could affect [male hormones] in developing fetuses?like estrogens used in pharmaceutical products and ...
Use Of Biased Language And Inaccurate Data About Male Factor ... Medical News Today (press release), UK - Nov 24, 2008 Language was considered biased if it could potentially dissuade a couple from seeking a Male Factor Infertility evaluation or treatment. ...
Who's your daddy? Offspring seek information on sperm donor Los Angeles Times, CA - Nov 10, 2008 University of Wisconsin researchers looked at the websites of infertility clinics and found that fewer than 60% mentioned male infertility and only 7% ...
Rhesus Factor Controls Renal Function And Male Fertility Science Daily (press release) - Nov 19, 2008 They suggest that in man, mutations affecting the RHCG gene could cause some forms of renal pathologies and/or a loss of male fertility. ...
Tiger reintroduction in Rajasthan forests The New Nation, Bangladesh - Nov 30, 2008 Was there any logic in releasing the male before releasing the tigress? It is known that females have smaller territories. So the male tiger could have been ...
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Recent News and Articles on the Keywords: male + infertility + could Related to the article below (Last Update: 8/5/2008)
Ways of looking after your little swimmers BirminghamMail.net, UK - A study at Sweden's Umea University suggested that male infection could reduce a couple's chance of having a baby by around a third. ...
Don?t go to seed! Sunday Sun, UK - Aug 3, 2008 A study at Sweden?s Umea University suggested that male infection could reduce a couple?s chance of having a baby by around a third. ...
Reproductive health bill: Facts, fallacies Inquirer.net, Philippines - Aug 2, 2008 The National Statistical Coordinating Board projected that a replacement fertility of 2.1 children per couple could be reached only by 2040. ...
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?Size Matters? for more than just the bedroom MSNBC - Jul 14, 2008 ... Columbia University?s Male Reproductive Center, I frequently give lectures to medical residents about the diagnosis and treatment of male infertility. ...
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… Are Associated with Reduced Trans-Activation, Impaired Sperm Production, and Male Infertility 1 - TG Tut, FJ Ghadessy, MA Trifiro, L Pinsky, EL Yong - Journal of Clinical Endocrinology & Metabolism, 1997 - Endocrine Soc ... Thus, both in vivo and in vitro data suggest that the length of the Gln repeat could
have an etiological role in maleinfertility through its effect on AR trans ...
Epigenetic Transgenerational Actions of Endocrine Disruptors and Male Fertility - MD Anway, AS Cupp, M Uzumcu, MK Skinner - Science, 2005 - sciencemag.org ... not likely sufficient to promote the phenotype, but could cause alterations ... an adult
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Severe Oligozoospermia Resulting From Deletions of Azoospermia Factor Gene on Y Chromosome. - R Reijo, RK Alagappan, P Patrizio, DC Page - Obstetrical & Gynecological Survey, 1996 - obgynsurvey.com ... Few causes for maleinfertility or subfertility could be identified, and empiric
treatment such as the use of clomiphene citrate met with limited, if any, true ...
Angiotensin-converting enzyme and male fertility - JR Hagaman, JS Moyer, ES Bachman, M Sibony, PL … - Proceedings of the National Academy of Sciences, 1998 - National Acad Sciences ... This equality of segregation opens up the possibility that maleinfertility in humans could occur as a consequence of homozygous defects of testis ACE. ...
A sperm ion channel required for sperm motility and male fertility - D Ren, B Navarro, G Perez, AC Jackson, S Hsu, Q … - Nature, 2001 - nature.com ... adenylyl cyclases are present in the sperm, Ca 2+ entry could accelerate the ... The
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Experiment could be male infertility breakthrough
LONDON - In a breakthrough that could help improve the treatment of male infertility, scientists have produced mice using sperm grown in the laboratory from embryonic stem cells.
They isolated stem cells from very early mouse embryos, sorted those that had begun to develop into early-stage sperm cells and coaxed them through various stages until they resembled sperm cells known as gametes.
After injecting the cells into mouse eggs, the embryos that formed were transplanted in female mice. Seven baby mice were born, six of which developed into adults.
"This is the first time it is shown that it is possible to make mature sperm from stem cells," said Professor Karim Nayernia who headed the team at the University of Gottingen in Germany.
"It is the scientific basic for understanding male infertility. Because before we treat any disease we should understand the disease on the molecular and genetic level," he added in an interview.
Stem cells are master cells in the body that can transform themselves into other cell types. Scientists believe they could act as a type of repair system to provide new treatments for illnesses ranging from diabetes to heart disease.
But their use is controversial because stem cells found in early embryos have the greatest therapeutic potential. Adult stem cells have a more limited range.
Professor John Burn, head of the Institute of Human Genetics at Newcastle University in England, described the research published in the journal Developmental Cell as a milestone.
"One could imagine in years to come the knowledge gained from this analysis of the pathway of development will lead us into ways of understanding why some men are infertile," he said.
About one in six couples worldwide experience some form of infertility. Roughly 40 percent of cases are linked to a problem in men. A low sperm count, no sperm at all or poor movement or shape are causes of male infertility.
Nayernia, now at Newcastle University, has been working on the research for three years. His team created 400 embryos but only a handful resulted in live mice because of technical and developmental problems.
"This is important work which builds on a number of discoveries showing that embryonic stem cells can generate sperm and eggs in the lab," said Harry Moore, a professor of reproductive biology at the University of Sheffield, in a statement.
