'Suicide proteins' contribute to sperm creation
...perm individualization could provide clues to male infertility and suggest possible treatments. ...Science's breakthrough of the year: Illumination of the dark, expanding universe
... how these sex cells develop and why some kinds of infertility arise. The possibility that human embryonic stem cells might someday become a source for human eggs also raised serious ethical questions. Left-Handed Materials: After two years of debate, several research teams confirmed that cer...Researchers find key gene in production of egg and sperm
...mans, which will help in elucidating the causes of infertility and genetic diseases that result from abnormalities of meiosis, such as Down Syndrome," said principal author Wojtek P. Pawlowski, a postdoctoral fellow at UC Berkeley. "It's clear that this gene plays a crucial role in the process, though we still d...Making of mouse marks move toward 'mitochondrial medicine'
...seases that become more common as people age from infertility and diabetes to cancer, Alzheimer's and Parkinson's diseases faltering mitochondria are known to play a role. And the cellular machinery is at the heart of several less common inherited diseases that affect patients more drastically at a younger age...Parenting ethics panel explores thorny issues posed by technology
...ho is also chief of reproductive endocrinology and infertility at Stanford. The documentary presented one scenario in which a baby was conceived by donor sperm and the egg of one woman, and was carried by that woman's lesbian partner. Who was the mother in this situation? "I would consider both women to be the m...MGH study finds female mammals produce egg cells into adulthood
... could lead to totally new approaches to combating infertility in cancer patients and others." Tilly is an associ...hole new set of options for treating or preventing infertility might open up. "These are basic biological findings that may change everything in our field," Tilly......have long been suspected in connection with rising infertility rates, particularly among men. These substances are quite common and are considered highly hazardous to human health because they disrupt the hormonal balance and impair reproduction and development. What has not been clear up to now is the amount of...APS announces four 2004 Young Investigators awards
...productive tract and have implications in treating infertility and developing male contraceptives. Additionally, Dr. Schultz researches mammary function and the prevention or treatment of mastitis, the most costly disease to the dairy industry....Chlamydia in men now also linked to infertility new findings
...chers tested 244 infertile couples attending their infertility clinic for the antibodies. For those couples where...tibodies in the women were related to tubal factor infertility (TFI) confirming previous findings that Chlamydia is linked to TFI. But, IgG antibodies in men were...Researchers identify gene linked to sperm-producing stem cells in mammals
...the mutation may have significant effects for both infertility and contraception research. In terms of infertility, researchers may someday find a link between the gene and a gradual loss of germ cells within the human testes, Braun said. It's possible that the mutation may tip the infertile man's stem cells tow...Endometriosis: Could angiostatic therapy be the new treatment of the future?
...ome pregnant this may not be a big problem, but as infertility is often connected to endometriosis it is problematic to suppress the patient's hormones, either by giving an oral contraceptive pill or gonadotrophin releasing hormone (GnRH) analogues. These patients definitely will not be able to conceive under t...European researchers tackle mitosis
...ocesses of life. Mistakes during mitosis can cause infertility and mental retardation, and can contribute to cancer. For the most part, mitosis is still poorly understood. Scientists do know that protein kinases a certain type of enzyme play a key role, but researchers don't know how these enzymes bring about......****************************************** Female infertility cAMP In mammals, the development of the egg in th...test tube. The apparently reversible nature of the infertility block caused by innactivation of the Pde3a gene suggests that PDE3A may be a potential target for de......n could be completed. The reversible nature of the infertility block caused by loss of the Pde3a gene suggests th...nockout mouse will be an excellent model of female infertility for exploring this further....