Tag: "fertility" at biology news
Talented sniffer: A receptor known for guiding sperm to egg plays a role in the nose
... tests" could be employed as a diagnostic tool for fertility
defects associated with olfactory receptor-dependent chemotaxis in sperm. ...
Growth factors confer immortality to sperm-generating stem cells
...lopment will have profound consequences for future fertility
therapies and provide a source of stem cells that ...genes. For medicine, it opens up a new chapter in fertility
medicine." Spermatagonial stem cells and the hematopoietic stem cells that generate new blood cells...
Study in Royal Society journal on possible genetic factors in social responsiblity
...nces in the genetic load affecting male and female fertility
in a butterfly by Dr IJ Saccheri, Dr HD Lloyd, Dr ...erility effect is restricted to males, with female fertility
being unaffected by inbreeding, suggesting that spermatogenesis is more sensitive to deleterious mut...
US researchers warn of possible fertility risk to men using laptop computers on their laps
experts (Thursday 9 December) warned teenage boys and young men to consider limiting the time that they use laptop computers positioned on their laps, as long-term use may affect their fertility. The increasing popularity of laptop computers (L...
Dwarf mistletoe reveals its sexual secrets
...se its better-known Christmas cousins as the green fertility
symbol of choice for holiday party goers. In fact,...toe's association with sacred winter celebrations, fertility
and kissing is an ancient one, extending back into pre-Christian Europe. The European mistletoe para...
Ocean colour satellites guide research ship through South Pacific's watery desert
... Marquises Archipelago, the precise reason for its fertility
still uncertain. And just off the west coast of Chile is an upwelling of cold, nutrient-high water that supports extremely dense chlorophyll concentrations and one of the most important fisheries on Earth. S...
Development of portable infectious disease detector
...em and used it as the basis for a inexpensive male fertility
detector that can be used in the home to measure s...e point-of-care diagnostics market. For their home fertility
tester, Pria kept costs down by keeping their system as simple as possible. Instead of trying to squ...
Research may speed development of new oral drugs for fertility treatments
...ing hormone (FSH), one of the most frequently used fertility
drugs, works, and with it new ideas for creating a...structure could aid in the development of improved fertility
drugs or contraceptives for both men and women. Hendrickson and Fan, who are both at Columbia Univer...
Parents' attitudes to sperm donation still some concerns about being open
...r off financially, the men dealt better with their fertility
problems and secrecy towards the child was not an option. About half had previously considered adoption or a known donor. "The associations between donor choices, education level and infertility distress were intriguing," said Dr Brewaeys. "We belie...
Scientists find male finches frugal in their attempts to attract females
...eeding period was over, we determined the relative fertility
of females by measuring when each began feather molt." Because molt begins when fertility
ends, the scientists could infer when each female had been at the peak of her fertility
during the e...
Animal parenting, personality and pair-ups
...ogy. The exact phenomenon of social suppression of fertility
doesn't map onto humans but can help us understand how human fertility
can be influenced by social and psychological factors," she said. Curiously, reproductive suppressio...
First step towards a non-invasive screening test for early signs of testicular cancer
...reening test, it could be offered in andrology and fertility
clinics to young men at risk of testicular cancer ...or chemotherapy. With this more gentle treatment, fertility
is usually unaffected."...
Biologist's findings on fertility and status in monkeys generate scientific, media interest
...quiries into the role social position plays in the fertility
of female marmosets were the recent subject of a p...ctioning. Among primates, the social regulation of fertility
is especially pronounced in the marmosets and tamarins, New World monkeys in which socially subordin...
New factor affects fertility
...to produce and maintain levels of sperm needed for fertility
in mice, according to research done by investigato... growth just after birth, events occur that impact fertility
in the adult," said Richards. "The proliferation of germ cells is essential for fertility." She sai...
Mice with defective sperm offer clues to infertility in men
...and thus would be a good target for both improving fertility
and quality of sperm for men who are infertile, and for the inhibition of fertility
using a male contraceptive pill." Led by first author Holger Kissel, Ph.D., a postdoctoral researche...
AAAS CEO Alan I. Leshner welcomes proposed Washington state legislation on stem cell research
... stem cell lines derived from embryos discarded by fertility
clinics. [For more information, read the full letter . ]...
Lance Armstrong Foundation supports UHC research
..., the psychological late effects of cancer and the fertility
of women following chemotherapy for early breast cancer. "We are thrilled to be partnering with top-notch institutions and researchers in the early stages of their careers like Dr. von Gruenigen," said Suzanne Kho, associate director of research f...
Why is Scotland's population shrinking and ageing? - A new research initiative
...e key aspects of Scotland's demography: migration, fertility
and the impact of an ageing population. Scotland's...sional figures for 2004 show 53,957), the Scottish fertility
rate is still at a historically low level. It is still too early to tell whether this recent increa...
National Academies news: Stem cell guidelines released
...not influence decisions about creating embryos for fertility
treatment. The guidelines also emphasize that no ...ch without consent, and researchers should not ask fertility
doctors to create more embryos than necessary for reproductive treatments. According to the guidelin...
Scripps research scientists identify infertility molecule
...ain type of molecule known as an LPA receptor have fertility
problems, which suggests that these receptors play...ar on the surface of cells in a mouse's womb, have fertility
problems. These mice are able to produce eggs normally, so that the eggs can be fertilized, but the ...
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