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Infertility in Biological News

Miscarriage and infertility treatment increase pre-eclampsia risk

Repeated miscarriages and hormone treatment for infertility give an increased risk of pre-eclampsia among pregnant women. This comes from a new study from the Norwegian Institute of Public Health. More than 20 000 first-time mothers from the Norwegian Mother and Child Cohort Study (MoBa) were inc...

Proteins in sperm unlock understanding of male infertility says new study

Proteins found in sperm are central to understanding male infertility and could be used to determine new diagnostic methods and fertility treatments according to a paper published by the journal Molecular and Cellular Proteomics (MCP). The article demonstrates how proteomics, a relatively new fi...

Fireflies and jellyfish help illuminate quest for cause of infertility

Genes taken from fireflies and jellyfish are literally shedding light on possible causes of infertility and autoimmune diseases in humans. Scientists are using the luminescent and florescent genes to illuminate cells that produce a hormone linked to conditions, which include rheumatoid arthriti...

USC researchers explore genetic causes for male infertility

LOS ANGELES, December 11, 2007 - Researchers at the University of Southern California (USC) suggest epigenetics, or the way DNA is processed and expressed, may be the underlying cause for male infertility. The study will be published in the Dec. 12 issue of Public Library of Science One. This ...

Researchers find gene mutation that causes infertility in male mice

Up to 15 percent of couples of childbearing age struggle with the heartache of infertility. Now there is the promise of new hope with Cornell researchers' identification of a mutation in a gene that causes male infertility in mice. Because this is the first time that a dominant mutation that leads ...

Study links high levels of nitric oxide to infertility and sperm DNA damage

Iranian scientists have linked a chemical that plays an essential role in many bodily functions to sperm DNA damage and male infertility, the 22nd annual conference of the European Society of Human Reproduction heard today (Monday). Dr Iraj Amiri, embryology laboratory director at the IVF Centre,...

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 on Tuesday 20 June 2006. Mr. Alon Carmely from Bar-I...

Scripps research scientists identify infertility molecule

Scientists at The Scripps Research Institute are reporting that mice created to lack a certain type of molecule known as an LPA receptor have fertility problems, which suggests that these receptors play a major role in conception. In the latest issue of the journal Nature, the scientists detail ...

Plastics chemical retards growth, function of adult reproductive cells

...e people look in adult humans to see if BPA is affecting follicle growth and steroid hormone levels," she said. If it is, that might help explain some infertility or menopausal symptoms, she said. ...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

...ology today (Monday 29 June). Dr. Sherman Silber, Director of the St. Louis infertility Centre, St. Louis, Missouri, USA, said that freezing tissue by the vitrific...birth of seven healthy babies. "We are in the middle of a massive global infertility epidemic, caused by the new structure of our society where women choose not...

ICSI or IVF: Babies born from frozen embryos do just as well

...formation rates was small. "The original premise of the study was to identify a difference in neonatal outcome while in the presence or absence of infertility medication, with the assumption that the unmedicated cycles would generate better offspring outcomes. Interestingly, we did not see any clear differen...

Stress puts double whammy on reproductive system, fertility

... "This work provides a new target for researchers, a new way to think about infertility and dysfunction. The more we know, the more we can look for ways to treat i...d to a drop in sex drive as well as a drop in fertility. Even the stress of infertility treatments can block their effectiveness, as evidenced by many anecdotes ab...

NAU discovery could help feed millions

...sity researcher and her colleagues at NAU and the University of Arizona identified a nontoxic chemical technology that when applied to rodents, caused infertility in rats, which feast on crops intended for human consumption. "This environmentally neutral approach, that has never been available before, will r...

Small RNAs can play critical roles in male infertility/contraception

... of the male sex chromosome that may have significant implications for male infertility and contraception. This important discovery has been publish...ed in the control of sperm formation, they can be causative factors in male infertility and also can be used as non-hormonal male contraceptive targets," added Yan...

Gene discovery could lead to male contraceptive

...1 as a gene that is involved in non-syndromic male infertility in humans, a finding which could lead to future infertility therapies that replace the gene or the protein. Bu...tion Sciences in Tehran, Iran, discovered the male infertility gene while studying the genetics of families from ...

Psychiatric disorders are common in adults who have had anorexia

... the disease. In contrast, we have not had a single death among the subjects of our study", says Elisabet Wentz. Other studies have also shown that infertility is a common complication for adult women who have had anorexia, as are increased risks of giving birth prematurely and of post-natal depression. The w...

NIH funds research center for women's reproductive health at Einstein

...zed Cooperative Center Program in Reproduction and infertility Research (SCCPIR).One of only 13 such centers in t...esearch in high priority areas of reproduction and infertility research. Einstein's SCCPIR will concentrate on...zed Cooperative Center Program in Reproduction and infertility Research "Estrogen and Progesterone Regulatio...

A budding role for a cellular dynamo

...ents at ridiculously fast rates, and wreaking cellular havoc, says Goode. In humans, genetic defects in formins are associated with conditions such as infertility and deafness. "We wanted to know how you turn the formins off. What disrupts the interaction of the formin with the actin filament, thus terminati...

How do cells count?

...now how many centrosomes it has? It is equally an important question, since both an excess or absence of centrosomes are associated with disease, from infertility to cancer. Each cell has, at most, two centrosomes. Whenever a cell divides, each centrosome gives rise to a single daughter centrosome, inherited ...

Attitudes towards assisted reproduction and preimplantation genetic diagnosis

...tment of Social Studies and Public Opinion. GENERAL ATTITUDES TOWARDS infertility In order to obtain some background for attitudes towards assisted reprod...he use of in vitro fertilization finds widespread acceptance in cases of 1) infertility and 2) the avoidance of genetically transmitted diseases (mean above 6 poin...

M.I.N.D. Institute researchers call for fragile X testing throughout the lifespan

...er decades of research, it is clear that mutations in this gene cause a range of diseases, including neurodevelopmental delays and autism in children, infertility in women and neurodegenerative disease in older adults. "We want to notify specialists in a variety of areas, as well as allied health professional...

Previous abortions and exercise: Do they affect pregnancy?

...be drawn. In both studies, a range of factors have been taken into account that may affect results, e.g. smoking, age, mother's weight, education, infertility treatment, time between abortion(s) and next birth and change of partner. What is pre-eclampsia? Pre-eclampsia is a complication that affect...

Rutgers scholar authors definitive biography of reproductive medicine pioneer

...patients who participated in them. The Rock biography grew out of an earlier collaboration between Marsh and Ronner on the book, "The Empty Cradle: infertility in America from Colonial Times to the Present" (Johns Hopkins, 1996). ...

Stem cell research puts interstate rivalry on hold

... will also use their proficiencies in characterising human embryonic stem cell lines and bioinformatics. Mr Jennings said changes to the Victorian infertility Treatment Act and the NSW Human Cloning and Other Prohibited Practices Act have opened up new opportunities for stem cell research in Australia. "A...

Structural biology spin-out tackles major diseases

...ProFuse TM, could also tackle major diseases such as some cancers, anaemia, infertility and diabetes. Under normal circumstances hormones of the type known as cyt... that could be used to tackle major diseases such as some cancers, anaemia, infertility and diabetes. ...

Male cyclists risk sexual problems if they don’t choose the right bike

... also experience changes to their sperm function, because of the excessive heat generated in the pelvic area. No general link between cycling and male infertility has been established, but it is still recognised as a possible side effect and has been noted in a number of male cyclists. Regular cyclists also r...

Fertility treatment in developing countries; a cycle of IVF for less than $200

...roduction [1] even the most basic questions about infertility in developing countries cannot yet be answered: how should infertility be defined; how often does it occur; what is the b...t a press conference on Monday 7th July at 12.00 - infertility in developing countries raises problems beyond tho...

July 2008 highlights

...promised ATP production. Thus, LDHC is required for glycolysis and ATP production in the sperm tail, and this finding may lead to new insights into infertility in men. Fanny Odet, Chongwen Duan, William D. Willis, Eugenia H. Goulding, Aisha Kung, Edward M. Eddy, and Erwin Goldberg. Expression of the Gene ...

Oocyte-specific gene mutations cause premature ovarian failure

...gynecology at BCM and senior author of the paper. Premature ovarian failure, which means that the ovaries lose function before age 40, not only causes infertility but also bone and heart problems, he said. It affects 1 percent of women, he said. While most people associate it with infertility, women with prem...

Mouse can do without man's most treasured genes

...uman genes are deleted, or "knocked out." If those 120 essential human genes are also essential in the mouse, deleting any of them should result in infertility or death before reproductive age. But the database showed an unexpected discrepancy. "To our surprise, 22 percent of the 120 human essential genes ...

Variety is the spice of life: too many males, too little time...

...ales as they can safely get access to. This promiscuous behaviour is often found in species where male quality is dubious and there are high levels of infertility in the male population. Female painted dragons possess the remarkable ability to store sperm inside their reproductive tract that remain viable for a ...

The surprising power of the pill

...kler School of Medicine, and his colleagues at the infertility center where he practices, have found that a two-w...ient. The study was done on 1,800 women at the infertility and IVF Unit, Helen Schneider Hospital for Women, ...as explains, One of the main drawbacks in treating infertility is timing a womans body with the clinics schedule,...

Biologists find unusual plant gene: abstinence by mutual consent

...ntrol the ability of plants to undergo fertilization could have important applications to plant breeders and conservationists. Mutations that cause infertility in crops can provide a powerful tool for breeders who would like to avoid crossing of their plants to related species, said Aurelien Boisson-Dernier, ...

Physician-scientists seek solutions to reproductive problems related to chromosomal variations

...n in their genetic code that until a few years ago was thought to result in infertility in all cases. However, this is no longer the case. A recent conference host...egel with a "Lifetime Achievement Award" at its recent meeting to honor his infertility treatment advances -- which are rewriting the textbook on Klinefelter syndr...

Oosight microscope enables embryonic stem cell breakthrough

...earch lab at the MBL and directed the Division of Reproductive Medicine and infertility at Women & Infants Hospital in Providence, R.I. Keefe is presently professo...ation. While polarized light microscopy is now used throughout the world in infertility clinics, and was proposed as an aid to cloning research, its actual applica...

Mice help researchers understand chlamydia

...le population, there was a "real need" to develop a vaccine. "Chlamydia is the most common sexually transmitted disease in the world and results in infertility in women and long-term chronic pelvic pain," he said. "There are antibiotics to treat Chlamydia, but there's no vaccine to prevent it. In many case...

Immune cells promote blood vessel formation in mouse endometriosis

...ce of immune cells that promote the formation of new blood vessels could lead to new treatments for endometriosis, a painful condition associated with infertility that affects up to 15 percent of women of reproductive age. The formation of new blood vessels, or angiogenesis, is known to encourage the growth ...

X-effect: female chromosome confirmed a prime driver of speciation

...ly related species, and tracked which genes caused infertility in hybrids. The Rochester team showed that 60 percent of X-chromosome genes cause infertility in hybrid malesfar higher than the 18 percent for ...ves instead found that most changes causing hybrid infertility cluster inexplicably on the X chromosome. Presgra...

Study identifies pathway required for normal reproductive development

...is due to the abnormal migration of neurons that secrete GnRH. Many recessive human genetic disorders, particularly the ones that have associated infertility symptom, are very difficult or almost infeasible to investigate using genetic analysis. The current study provides an elegant example how mouse studie...

UT Southwestern researchers identify hundreds of genes controlling female fertility

...with a specific gene, allowing for improved diagnostic tests and tailored therapy in the future, said Dr. Castrillon, a specialist in the diagnosis of infertility and other diseases of women. About 13 percent of women suffer from infertility, with the most common cause being dysfunction of the ovary. Research...
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