Sugar-coated sea urchin eggs could have sweet implications for human fertility
...eople is understanding the process. People come to fertility clinics wondering why their eggs don't fertilize," said Christiane Biermann, a research associate at Friday Harbor Labs in Washington state's San Juan Islands and an adjunct biology faculty member at Portland State University in Oregon. In some plac...Unicellular organisms contribute more nitrogen to ocean that reported earlier
...ort is increasing scientists' understanding of the fertility of the ocean. "This group of tiny, photosynthetic organisms, whose contribution to the fertility of the ocean is significant, appears to play a critical role in driving the movement of elements thr...Research reveals role of gene in infertility
...tudy defects in this RAD51 gene in people who have fertility problems, we now can use this mutant plant strain to understand more than we could before about its role in sexual reproduction." In addition to Ma and Reiss, other members of the research team include Wuxing Li and Changbin Chen at Penn State; Ull...Cell death protein has surprising role in cell migration
...ther genes in the cells and looked for flies whose fertility was restored, an obvious sign that their cellular ...hat may be more directly responsible for restoring fertility in flies with dysfunctional Rac. Two initial candidates are actin and profilin, she says, and other ...Why does cloning create abnormalities? Scientists take a step towards finding out
...ossibilities", he said. "They could be linked to fertility medications utilized to induce superovulation, or the progesterone employed to help implantation; in vitro culture conditions which could be related to the length of the culture or the concentrations of certain media components such as serum or even ...Noah's modern ark: The role of ART in conserving endangered species
...ders in captivity, with only a three-day period of fertility a year. Baby pandas have been born after AI using cooled as well as thawed sperm, and from males with terminal disease. The successful multi-dimensional management programme shows the way for the future in ART. "We have a 10-year plan in place to ......ay help researchers understand human sterility and fertility problems, as well as what causes certain birth defects. Molecular control of the step-by-step process of how the zebrafish body unfolds relies to some extent on maternally driven processes. These depend on proteins derived only from the...Therapeutic cloning may be permitted at Newcastle University
...this research by patients undergoing treatment for fertility at the Center. Professor Murdoch said, "we are ver...e of the most important areas of research in human fertility and genetics capable of having a transformational effect on medical treatments. It is great news tha...UK researchers develop way of predicting a woman's 'reproductive' age
...young women successfully treated for cancer (where fertility may be impaired or lost through treatment) in the hope of providing them with more accurate fertility advice allowing them to realistically plan having a family. They are also setting up long-term studi...Assisted reproduction can't compensate for waiting too long to start a family
...roduction to make up fully for the loss of natural fertility after that age. Professor Henri Leridon, a demographer from the French Institute of Health and Medical Research (INSERM) and the National Institute for Demographic Studies (INED), reports in Europe's leading reproductive journal Human Reproduction[1]...Volcanic soils yield new clues about the emergence of powerful chiefdoms in Hawaii
... Kohala had discovered a "sweet spot" of high soil fertility a swath of land, rich in phosphorus and bases, which received enough precipitation to harvest vast quantities of sweet potatoes. That rare combination of rainfall and fertile soil did not exist on Kauai, Oahu and Molokai, however. According to the ...Fat cells could provide the key to a longer life
...elegans, which can also double life span or reduce fertility depending on what stage in life the gene is interf...lifespan by between 20 and 50 per cent and reduced fertility by 50 per cent. But no effect was observed in male flies. "The functions of fruit fly fat include ma...New research shows that the seasons may be involved in onset of menopause
Research by Hungarian fertility experts published (Thursday 10 June) in Europe's leading reproductive medicine journal Human Reproduction [1] , has revealed that the onset of the menopause [2] may not be dictated only by the fact that a woman's lifetime supply of eggs are running...UW-Madison scientists find a key to cell division
...w drugs to prevent cancer and birth defects, treat fertility and neurological disorders, or aide in wound healing, for example. During the cell cycle, the genetic information the cell contains is copied and segregated into two new cells. During normal division, the outer membrane of the cell pinches in, formin...Baby born from sperm frozen for record 21 years
...en at a time of great emotional stress when future fertility is unlikely to be an immediate priority. "It also suggests that we need to extend follow-up studies of cryobanked sperm up to 25 years at least. A recent study showed that only 27% of men who stored semen at our centre prior to cancer treatment used...ESA's minature Earth observer put to many uses
...normal and low water content and also high and low fertility of the underlying soil. Working over water CHRIS was designed for Earth Observation over land surfaces, but a number of research teams are investigating its use to study inland water bodies as well as coastal water sites. Ramon Pena-Martinez of ...March of Dimes awards $250,000 prize to pioneering scientist
...ic," that is, involved in determining maleness and fertility in an embryo. The X chromosome, on the other hand, contains many genes needed for growth and development by both males and females. These include genes that are necessary for normal blood clotting as well as genes for normal muscle and brain functi...NASA-inspired technology may help preserve women's future fertility after cancer treatment
...hniques may prove to be valuable in protecting the fertility of a woman with cancer whose future childbearing p...es will be a significant advance toward conserving fertility for cancer patients." In the most recent study using ovarian tissue in rats and mice, University of ...Chlamydia in men now also linked to infertility new findings
...ka Idahl said that for those couples attending the fertility clinic who became pregnant, either spontaneously o...tibodies in the infertile men is linked to reduced fertility has lead researchers to suggest screening of both partners who attend infertility clinics. Dr Idahl ...Hormone linked to obesity plays positive role in fertility & possibly male arousal
...he male genitals where it plays a key role in male fertility and may even influence the erection response in male sexual arousal. The research, published today (Tuesday 6th April 2004) in the "Journal of Clinical and Endocrinology and Metabolism" focuses on a protein called orexin. Orexin is named after the Gr...