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Tag: "hormones" at medical news

Infertility Breakthrough With First Birth from Lab-matured Egg

...gs -- harvested after stimulating the ovaries with hormones -- are fertilised in-vitro with their partner's sp...s. For women who are infertile with PCOS, taking hormones to stimulate egg production can lead to potentially fatal overstimulation of the ovaries. Thus, ob...

First Baby Born from Eggs Matured and Frozen in the Lab

...atured egg cells from the woman's ovaries and used hormones to wheedle them to maturity in the laboratory. They froze the eggs and thawed for use. Though the maturation of eggs in the lab has been done before, leading to healthy births, and the freezing of eggs is a well-established procedure, this is the f...

Strange Sex Life of Mole-rats may Provide Clues About Human Infertility

...lmost all the non-breeding mole-rats so that their hormones are kept down and their reproductive tracts are un...anslated into the suppression of certain fertility hormones (luteinizing and follicle stimulating hormones). In the non-breeding females this has the effect o...

Elevated Carbondioxide may Have Negative Impact on Ecosystem

...asive insects by down-regulating the expression of hormones related with defense, which down-regulate the important defense CystPls against beetles, Zavala said. Zavala also explained, Under natural field conditions, elevated CO2 not only increased susceptibility of soybean to herbivory by the invasive spec...

Neurotransmitter That can Yield New Insights in the Fight Against Diabetes Identified

...d examined their blood samples for the presence of hormones released by paraventricular nucleus activity. The same paraventricular neurons lit up in both sets of animals, and the animals displayed similar increases in hormone levels, suggesting that norepinephrine plays a role in transmitting the hypoglyce...

Hormone Replacement Therapy Liberation at a Cost

... known, as HRT is a means of replacing the sex hormones estrogen and often progesterone for post-menopausal women. The two major female hormones estrogen and progesterone control the female reproductive system and have an effect on many systems ...

Hormone Inhibitor in Prostate Cancer Treatment

...ew drug candidate that inhibits production of male hormones anywhere in the body is showing promise in early trials. Male hormones such as testosterone are produced mainly in the testes, but are also produced by the adrenal gland a...

Study Confirms No HRT Benefit for Older Women

...y to face substantially increased risks when using hormones for a few years, she writes. However, long term use of hormone replacement therapy to prevent chronic disease is no longer recommended as the available randomised evidence shows that the negative outcomes outweigh the positive benefits....

Wrestler Chris Benoits Son was Sedated - Says Investigators

...uld not perform tests for steroids or human growth hormones on the son because of a lack of urine. Benoit's wife, Nancy, tested positive for Xanax, hydrocodone and the painkiller hydromorphone, but the decomposition process hindered the ability to determine the precise levels of the drugs at the time of her ...

Wonder Cow Produces Milk Despite Being a Virgin!

...ted that such a case was possible due to increased hormones level, though for further investigation the case was referred to the Jawaharlal Nehru Agricultural University....

Genetic Variation may Increase Premenstrual Depression Risk

...related genes like those for receptors for steroid hormones such as estrogen, we would be able to find gene differences that might explain why some women have these mood disorders and others don't. This study may begin to provide important clues to the nature of that susceptibility, said Dr. David R. Rubinow,...

Mother Has the Right to the Placenta, US Court Rules

... packed into capsules. The theory is that excess hormones build up in the placenta during pregnancy, and new... mothers can take the pills and replenish depleted hormones and control that down-in-the-dumps feeling some experience after childbirth. The practice, known a...

Longer Term Breast-feeding Reduces the Risk of Rheumatoid Arthritis in Women

...ally highlights the potential of naturally-induced hormones in protecting individuals from developing RA in the future. Furthermore, it adds to the growing body of evidence in favour of breast feeding and its positive health implications this time demonstrating its protective benefits for the mother, Dr Kesh...

Questions Raised Over Safety of In-vitro Fertilization

...den, aching to conceive and who was pumped full of hormones to make her produce more eggs. The result? A trip to hospital but not to a maternity suite. "I was 25 and felt this excruciating pain in my chest," recalls Lee, a music therapist from Surrey. "I was rushed into intensive care in an ambulance, and ...

Breast-feeding Protects Mothers from Rheumatoid Arthritis

...ally highlights the potential of naturally-induced hormones in protecting individuals from developing RA in the future," said lead researcher Mitra Keshavarz, of Malm Hospital University, Sweden. "It further adds to the growing body of evidence in favour of breast feeding and its positive health implication...

Rare Womens Lung Disease May Yield Insights Into Common Diseases

...current work involves looking into the role female hormones play in the growth and metastasis of LAM cells. ...eradicate LAM cells, and also learn more about how hormones cause abnormal cells to grow and metastasize, Henske said. Henskes work may also benefit research ...

Morning Sickness may Signify Lower Breast Cancer Risk

... correct ratios and relative amounts between these hormones are not maintained within a normal range, certain pregnancy-related outcomes may emerge, such as high blood pressure, glucose intolerance and gestational diabetes, eclamptic conditions with seizures and/or toxemia, or extremely severe nausea. "Thes...

Research Studies on Molecular Switches of Gene

... as a messenger for a variety of stimuli including hormones and nerve-signaling molecules called neurotransmitters. The St. Jude team showed that each gene that responds to CREB chooses which co-factors, or helper molecules, CREB uses to activate that gene. This finding adds an important piece to the puzzle...

Autism Could Be Related to Higher Level of Growth Hormones

...ildren's Hospital say that extraordinary growth of hormones could be contributing to such a phenomenon. Other...t, head circumference and levels of growth-related hormones to growth and maturation in 71 boys with autism to a group of 59 healthy boys. The boys with autis...

Estrogen Therapy Protects Against Fading Mental Powers: Study

...period before menopause when production of the sex hormones estrogen and progesterone begins to ease off. Th...od of two years. The others did not get additional hormones of any kind. On short-term memory tests, the younger animals performed equally well, regardless of...

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