Tag: "why" at medical news

Shape-altering genes linked to ovarian cancer

.... D. Anderson Cancer Center have explained how and why different forms of ovarian cancer evolve in a discovery that could lead to earlier detection and perhaps more personalized treatment for a disease that will claim an estimated 16,210 women's lives in the United States in 2005. Honami Naora, Ph.D., an...

Researchers find that chocolate compound stops cancer cell cycle in lab experiments

...ting any one of the proteins singly. That is also why the compound seems to work on cancer cells, irresp...er cells." He adds that the researchers don't know why pentamer deactivates these proteins simultaneously, stopping the cell cycle. "We don't know at a fu...

Mesotherapy not proven as a safe alternative to liposuction

...tudies demonstrating if the effects are permanent, why or if certain ingredients work, or how safe mesotherapy is for patients. In addition, there is no standardization in mesotherapy. The types of drugs used vary from physician to physician as does the quantity and frequency of injections. Mesotherapy...

Gene expression pattern predicts multiple drug resistance, treatment failure in pediatric leukemia

...lls is giving researchers crucial information into why standard therapies fail to cure some children with...that resistance. This new finding helps to explain why about 20 percent of children with ALL, the most common form of childhood cancer, are not cured with ...

Variant in gene associated with telomeres predicts longer survival of deadly brain tumor

...t in the Department of Epidemiology. The mechanism why the SS variant genotype of hTERT showed better survival remains unknown. But some forms of hTERT may be less destructive than others because they may be expressed at a lower level, Wang says. For instance, the SS variant genotype is more likely than ...

The Cochrane Library newsletter, 2005, issue 2

...ounger women. There are sound biological arguments why giving post-menopausal women extra oestrogen might protect them from CVD, and various uncontrolled studies appear to confirm this idea. However, the question of whether HRT has a long-term benefit for women at risk of CVD is unresolved. To answer thi...

Early detection of lung cancer

...% of cases are detected at an early stage; this is why it is essential to find tools for early detection which will guarantee the curing of the illness. The research by the Lung Service at the Navarre University Hospital used thoracic CAT to periodically analyse persons at high risk of developing lung ...

Study finds possible mechanism for link between sleep disturbances and metabolic syndrome

...gained more weight. The finding couldhelp explain why disrupted sleep patterns-particularly when combined with ahigh-fat diet--are associated with excessive weight gain and the onset ofmetabolic syndrome in some people, according to investigators supported bythe National Institutes of Health (NIH). The ...

Child sex abuse policy recommendations published in Science magazine

...professor whose theory of betrayal trauma explains why some people do not recall their abuse until later in life, has conducted studies that show abuse perpetrated by a caregiver increases the likelihood of memory failure. "Unfortunately, many factors silence victims of abuse," Freyd said. "Myths about t...

Promising new West Nile therapy cures disease in mice

...i, M.D., director of NIAID. Scientists do not know why some people infected with West Nile virus have no symptoms or a mild flu-like illness, while in others the virus invades the central nervous system and causes paralysis or coma. "We could give this antibody to mice as long as five days after infectio...

Study sheds light on age-related changes of prion diseases

A new study sheds light on why normal prion proteins may experience age-related m...d to return to its normal shape. This may explain why the disease is age-related since the healthy young cell can properly fold and maintain the mutant pr...

OHSU study finds ginkgo beneficial for MS symptoms

...field of Portland, Ore., does her research. That's why the stay-at-home mom, who was diagnosed with multiple sclerosis in July 2000, was willing to turn to popular, over-the-counter herbal supplements like ginkgo biloba to deal with memory problems, fatigue and occasional muscle pain. "I'm definitely int...

Lower vaccination rates put children at risk

...tion that 'natural equals safe', and if it's safe, why should I tell the doctor about it," Dr. Vohra said. "But anything that can have an effect, can have a side effect. Parents need to treat CAM products and therapies with appropriate caution." It is especially important, Dr. Vohra said, that physicians...

Specific behaviors seen in infants can predict autism, new research shows

...we know about the biological nature of autism, and why it emerges so early in life," says Dr. Zwaigenbaum. "Our hope is that it will lead to the development of new and earlier treatments that could make a huge difference for these children." Second only to mental retardation as the most common developme...

New insights into HIV immunity suggest alternative approach to vaccines

...re made. This provides a plausible explanation for why broadly protective antibodies have not been made in response to currently tested HIV vaccines," said Barton Haynes, M.D., lead author of the study and director of the Human Vaccine Institute at Duke University Medical Center. The researchers will rep...

Eliminating enzyme dramatically reduces cardiovascular disease

...ogen can lower ACAT2 production, which may explain why women are less likely than men to get heart disease during their estrogen-producing years. "All of these findings tell us that a potential treatment for protecting against heart disease is a compound that decreases ACAT2 activity," said Rudel. He sai...

Study reveals new data on how lyme disease is spread

...of risk for blood stream invasion probably explain why untreated patients with erythema migrans often develop complications distant from the tick bite location. Older patients without a past episode of Lyme disease are at particular risk."...

Mayo Clinic researchers discover genetic glitch in the heart's electrical system

...mbination, but we need further study to understand why and how this occurs." In the Mayo Clinic Proceedings article, two cases were studied by Mayo Clinic researchers in which both individuals were proficient swimmers. A teenage girl died at swim team practice, after being found floating facedown in th...

Parents who don't vaccinate their children may believe vaccines cause harm

...rade schools. The survey was designed to determine why parents claim non-medical exemptions and to explore differences in perceptions of vaccines and vaccine information sources between parents of exempt and fully vaccinated children. The surveys were mailed to parents in four states, Colorado, Massachus...

Too many doctors fail to follow guidelines and to prescribe best treatments for heart patients

...lines improve outcome, so it is hard to understand why they are adopted so poorly. Surveys have shown tha...uidelines." He said there might be several reasons why doctors do not follow guidelines: economic constraints, lack of belief in the guidelines and "nihili...

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(Date:4/17/2014)... hundred births, Down syndrome - or trisomy 21 - ... It results from a chromosomal abnormality where cells of ... (1% of the human genome). A study conducted by ... Genetic Medicine and Development at the University of Geneva ... shed light on how the extra chromosome 21 upsets ...
(Date:4/17/2014)... Rajendra Singh Thursday as a "Champion of Change" ... deployment in the residential, commercial and industrial sectors. ... Electrical and Computer Engineering and director of Clemson,s ... hero leading the charge across the country to ... and driving policy changes at the local level ...
(Date:4/17/2014)... channels are implicated in many serious conditions such as ... potential target for drug therapies. Unfortunately, there is still ... Cambridge research provides fresh and unexpected insight into the ... components - β-subunit molecules - which are responsible for ... published in the most recent edition of the ...
Breaking Biology News(10 mins):Trisomy 21: How an extra little chromosome throws the entire genome off balance 2Trisomy 21: How an extra little chromosome throws the entire genome off balance 3White House honors Clemson professor as 'Champion of Change' for solar deployment 2Structure of sodium channels different than previously believed 2
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