Tag: "women" at biology news

Adding Radiation Therapy To Chemotherapy Improves Survival In Patients With High-risk Breast Cancer

...otherapy after radical mastectomy in premenopausal women with lymph node–positive breast cancer. Between 1979 and 1986, 318 patients were randomly assigned to receive no radiation therapy or to receive radiation. A 15-year follow-up found that radiation therapy was associated with improved breast cancer su...

Novel Asthma Study Shows Multiple Genetic Input Required; Single-gene Solution Shot Down

...otherapy after radical mastectomy in premenopausal women with lymph node–positive breast cancer. Between 1979 and 1986, 318 patients were randomly assigned to receive no radiation therapy or to receive radiation. A 15-year follow-up found that radiation therapy was associated with improved breast cancer su...

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

...risk of breast cancer was three times higher among women with the poorest DNA repair capacity compared with those with the highest. "[T]hese data support the hypothesis that deficient DNA repair capacity is associated with susceptibility to breast cancer and may be a valuable in vitro biomarker to identif...

Topical treatment shown to inhibit HIV and herpes simplex virus infection

... million people worldwide are living with HIV, and women account for nearly half of those infected. As stat...nd, placebo-controlled study among 20 HIV-infected women to assess the antiviral activity of PRO 2000 in cervicovaginal lavage (CVL) fluid collected before a...

Bacteria collection sheds light on urinary tract infections

...teria to reach their bladder. Fifty percent of all women will experience at least one episode of UTIs during their lifetime. UTIs are typically treated with antibiotics. The researchers found that the E.coli causing the UTIs matched genetically with a sample of E.coli obtained from an animal source. They ...

Gene therapy converts dead bone graft to new, living tissue

...nes. This is why doctors encourage post-menopausal women to take calcium supplements, so that the body doesn't raid their bones for the calcium it needs. The process works both ways, fortunately, as another set of cells, called osteoblasts, rebuilds the bone when the body has excess calcium. In an average ...

Female sex hormones play a vital role in defense against sexually transmitted diseases

...ays, is that if future studies can figure out that women too, like mice, are protected in primary exposure ...xually active adults is seropositive for HSV-2 and women are much more susceptible than men. "The results directly indicate that the hormonal conditions tha...

BRCA1 causes ovarian cancer through indirect, biochemical route

...arian cancer is associated with ovulation, in that women who have regular menstrual cycles through their li...this finding so exciting." Dubeau points out that women with BRCA1 mutations are also predisposed to cancers of the fallopian tubes, and that the mice with ...

Experiments provide proof of how traveling in groups protects insects

...mly held belief was that God was punishing men and women for their sins. A more recent, scientific theory has been the "safety-in-numbers" idea -- that the small animals congregate periodically as a way of protecting themselves from predators such as birds and rodents. Now, a trio of insect experts has de...

Experiments provide proof of how traveling in groups protects insects

...mly held belief was that God was punishing men and women for their sins. A more recent, scientific theory has been the "safety-in-numbers" idea -- that the small animals congregate periodically as a way of protecting themselves from predators such as birds and rodents. Now, a trio of insect experts has de...

Research Gives Hope For Liver Damage

...f cirrhosis since 1970 and a threefold increase in women of thesame age group. Liver failure is also rapidl...eople with the deaths in the UK of 500 men and 300 women aged 25-44,in 2003."Professor John Iredale of the University of Southampton said: "We arefacing a hu...

New Breast Cancer Test Could Save Lives

...ge. If successful, this test will be effective for women of all ages; given that breast cancer is the largest killer of women between the ages of 35-55 in Europe, the test could have a dramatic effect on the number of deaths f...

International trial of two microbicides begins

...de. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always be able to insist that their male partners use measures to prevent HIV transmission,"...

MetaChip provides quick, efficient toxicity screening of potential drugs

...de. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always be able to insist that their male partners use measures to prevent HIV transmission,"...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

... with diabetes. If that’s not bad enough, pregnant women with periodontal disease are seven times more likely to deliver low-birth-weight, preterm babies. Proteins are important to study because they are the foundation of the cellular structure of every living organism, Lamont said. They carry on the day-t...

Bone Density Recovers After Teens Stop Injected Contraceptive

...itutes of Health. Previous studies had shown that women who use DMPA, marketed under the brand name Depo-P...the time they are using the contraceptive. Because women are developing a large amount of their bone mass from ages 15 to 19, researchers were concerned that...

Breast-Cancer Risk Linked to Exposure to Traffic Emissions at Menarche, First Birth

...y increase the risk of developing breast cancer in women who are lifetime nonsmokers, a study by epidemiolo...uffalo has found. Their study was conducted among women who lived in Erie and Niagara counties of New York State between 1996 and 2001. They found that high...

Variation in women's X chromosomes may explain differences among individuals, between sexes

...ve survey of gene activity in the X chromosomes of women has revealed an unexpected level of variation amon... for understanding the differences in traits among women and between males and females, in terms of both health and disease, said Huntington Willard, Ph.D., ...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

...h as administering synthetic narcotics to pregnant women following surgical procedures performed on fetuses in utero. "Following such surgeries, which are becoming more common to correct congenital malformations, the mother is treated with narcotics for pain--and anesthesiologists are relying on the mother...

HIV vaccine trial breaks ground for future research

.... The volunteers were men who have sex with men or women at high risk for heterosexual transmission. The vaccine and placebo were given by injection seven times over 30 months and the participants were assessed for risk. At each visit the participants were tested for HIV infection, and for those who were p...

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