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Tag: "women" at biology news

New genetic test for breast cancer

...With better individualized treatment, we can spare women the side effects of chemotherapy where it is unnec...ational Cancer Institute, will enroll about 10,000 women with breast cancer at more than 900 institutions throughout the United States and Canada. Breast ca...

Mass. General study finds potential ovarian cancer stem cells

... ovarian cancer, which kills more than 16,000 U.S. women annually and is their fifth most common cause of cancer death. The report will appear in the July 25 Proceeding of the National Academy of Sciences (PNAS) and has received early online release. "We feel these stem-like cancer cells may be resistan...

Nutrition a major factor in rise in twin pregnancies

...e value for each. "The results showed that many women awaiting IVF appear to prefer the prospect of a chronic adverse birth outcome rather than childlessness", said Mr. Scotland. "Having no child at all was valued significantly lower than having a child with physical, cognitive or visual impairments, ...

New study reveals components of cocoa may enhance the appearance of the skin

... vessel function. In this new study, 24 healthy women (aged 18 to 65) were randomly assigned to two grou...in structure and texture, and skin hydration. The women who regularly consumed the high-flavanol cocoa beverage showed significant improvements in these ind...

Five surprising facts about starvation that could change the international agenda

...lude improving nutrition in pregnant and lactating women to prevent low-birthweight babies, effective protection against infectious disease, improved water and sanitation systems, promotion of breastfeeding during an infant's first six months, enhanced health and nutrition information for parents, and micr...

How HIV 'exhausts' killer T cells

...pidemic in sub-Saharan Africa; a third of pregnant women there are infected with HIV. The researchers condu...n KwaZulu-Natal, and HIV prevalence among pregnant women in the city exceeds 50 percent. The studies at the lab in South Africa found that PD-1 was sig...

A new tool against brain disease

...pidemic in sub-Saharan Africa; a third of pregnant women there are infected with HIV. The researchers condu...n KwaZulu-Natal, and HIV prevalence among pregnant women in the city exceeds 50 percent. The studies at the lab in South Africa found that PD-1 was sig...

Breast stem cells have features similar to 'basal' tumors

...ch is more commonly seen in tumoursthat develop in women who are carriers of the breast cancer predisposing gene BRCA1. These findings support previous speculation that breast stem cells, or very early descendents, are the cells from which basal tumours arise. Dr Visvader, who led the team effort with Dr...

Internal body clock dictates timing of different types of stroke

... Men tended to be around five years younger than women for all the different types, but there was little variation between the sexes in respect of the timing of the various types of stroke. All three stroke types registered two peaks during the day, one between 6 and 8 in the morning and the other betw...

Study finds that a woman's chances of having twins can be modified by diet

...omen, who consume no animal products, with that of women who do eat animal products, Gary Steinman, MD, PhD...edical Center in New Hyde Park, NY, found that the women who consume animal products, specifically dairy, are five times more likely to have twins. The study...

Nicotine exposure during development leads to hearing problems

Scientists know that children of women who smoke during pregnancy can develop hearing-rel...cognitive hearing deficits," Metherate said. "Most women who smoke find it difficult to quit during pregnancy. For them, doctors often prescribe a nicotine p...

New egg freezing technique offers hope to hundreds of women

...to even out the current inequality between men and women whereby, until now, men have been able to use their previously frozen sperm for IVF treatment but women have not been able to do the same with their eggs. The research, presented today (Monday 19 June) a...

New findings offer more complete view of breast cancer gene mutations in US population

...tudy identified key predictors for assessing which women are most likely to carry these genetic mutations. Each year, approximately 200,000 women in the United States are diagnosed with breast cancer. The majority of breast cancer cases are cause...

Fatty spheres loaded with siRNA shrink ovarian cancer tumors in preclinical trial

...three human ovarian cancer cell lines derived from women with advanced cancer were treated for 3-5 weeks. They received liposomes that contained either the FAK siRNA, a control siRNA, or were empty. Some mice received siRNA liposomes plus the chemotherapy docetaxel. Mice receiving the FAK-silencing lip...

New research examines genetics of successful aging

...affected men or women, but not both. "Historically women have lived longer than men on average, the prevalence of numerous serious diseases differs in men and women, and there are important differences in age-related physiological changes that occur between the sexes over the life span," said Dr. Zubenko. ...

Ultra low-dose estrogen shown safe for post-menopausal women

...the cognitive abilities or general health of older women over the course of two years. "This is exciting. It shows that women can take estrogen safely," observes lead author Kristine Yaffe, MD, chief of geriatric psychiatry at...

Gene screen for breast cancer better than pathologist's 'eye'

... samples. The fluid samples, taken from high-risk women or those diagnosed with breast cancer, were obtained through a process called ductal lavage, a saline wash via a catheter threaded through openings in the nipple leading to the vast network of breast ducts. Cytopathologists correctly identified sev...

Pak1 expression increases tamoxifen resistance in breast cancer patients

...gues examined Pak1 expression in 403 premenopausal women with breast cancer. The women participated in a clinical trial where they were randomly assigned to receive tamoxifen therapy or n...

One therapeutic dose of radiation causes 30 percent spongy bone loss in mice

...can Medical Association found that post-menopausal women who received pelvic radiation for cervical and colorectal cancer increased their bone fracture risk by 60%. Radiation following anal cancer increased the risk of fracture by 200%, he said. Astronauts lose 2% of bone mass for each month they are exp...

Researchers unveil strategy for creating actively-programmed anti-cancer molecules

...nd Prevention indicate that more than 200,000 U.S. women are diagnosed with new cases of invasive breast cancer each year and that more than 40,000 of these women will die of the disease-usually the end result of metastasis. The therapeutic use of monoclonal an...

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