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Tag: "die" at biology news

Bioartificial kidney under study at MCG

... "Anywhere from 50 to 70 percent of those patients die and over the past 20 years, despite dialysis, that has not changed much." He hopes the new device, developed by Dr. H. David Humes at the University of Michigan, can help turn the tide for some patients by more closely mimicking the many important f...

Protein discovery could unlock the secret to better TB treatment

...istant TB. In England and Wales around 400 people die each year from the disease. The top challenge for TB control in the European region is multidrug-resistant TB (MDR-TB). Eight per cent of the bacteria causing TB in patients are resistant to one or more drugs and one per cent show multidrug resistanc...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...patients whose disease follows this course usually die with the disease, not because of it. CLL may also follow a more aggressive course. In these cases, patients do require chemotherapy and have a lifespan of only about six to eight years after diagnosis despite treatment. Scientists, including Drs. Ch...

Scientists detect probable genetic cause of some Parkinson's disease cases

...hyear. The disease occurs when certain nerve cells die or becomeimpaired and can no longer produce dopamine, a brain signaling chemical(neurotransmitter). Without it, individuals can develop tremor ortrembling in hands, arms, legs, jaw, and face; rigidity or stiffness ofthe limbs and trunk; bradykinesia,...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...ted muscular disorder called Pompe disease usually die before they reach the age of two. The researchers also said their approach of targeting corrective genes to muscles may have application in treating other muscular dystrophies. Patients with Pompe disease have a defect in a key enzyme that converts ...

Scientists discover the cellular roots of graying hair

...that is absent when aging occurs and thestem cells die off? Now we have a much more refined way of dissectingthat signaling pathway in melanoma. Eventually we hope to tap into thisdeath pathway, thereby using drugs to mimic the aging process, tosuccessfully treat melanoma.?The team also made mice lacking...

Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery

...that is absent when aging occurs and thestem cells die off? Now we have a much more refined way of dissectingthat signaling pathway in melanoma. Eventually we hope to tap into thisdeath pathway, thereby using drugs to mimic the aging process, tosuccessfully treat melanoma.?The team also made mice lacking...

Weizmann Institute scientists develop a new approach for directing treatment to metastasized prostate cancer in the bones.

...that is absent when aging occurs and thestem cells die off? Now we have a much more refined way of dissectingthat signaling pathway in melanoma. Eventually we hope to tap into thisdeath pathway, thereby using drugs to mimic the aging process, tosuccessfully treat melanoma.?The team also made mice lacking...

Critical role in programmed cell death identified

...tochondrial fragmentation is required for cells to die and that the process that commits cells to the poi... but 131 of these cells die; the same cells always die at the same time and at the same place. This feature makes it possible to identify mutant worms, in ...

Taking Aim With Nanoparticle PEBBLEs

...live less than four months without treatment; rats die within about five days. When Kopelman's group treated rats with PEBBLEs that weren't even tailored to home in on cancer cells, the rats lived twice as long. With targeted PEBBLEs, some rats were still alive and active two months later, and MRI images...

Researchers discover molecule that causes secondary stroke

...l stroke develop vasospasm, and 40 percent of them die from it. Vasospasm, says neurology department researcher Joseph Clark, PhD, results from a buildup of toxins caused by bleeding from the initial stroke. "Normally the cerebral spinal fluid that envelopes the brain carries off wastes and exchanges th...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...lies, which have been studied closely for decades, die sooner from aging in a high-oxygen environment." Insects take in oxygen through spiracles -- tubes connected to openings in their sides. In their study, the researchers inserted fine tubes into the spiracles of a moth to measure not only how much ca...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

...y have an impact on how long you live and what you die of," he said. "The presence of growth hormone and IGF-1 is necessary for maintenance of cognitive function and prevention of cartilage degeneration," Sonntag and his colleagues reported in an article in Endocrinology, published on-line today. But th...

Research Gives Hope For Liver Damage

...turn, to become treatable. More womenin the UK now die of liver failure than do of cancer of the cervix."There has been a fourfold increase in the number of men aged 45-54dying of cirrhosis since 1970 and a threefold increase in women of thesame age group. Liver failure is also rapidly increasing in youn...

UCLA scientists transform HIV into cancer-seeking missile

...with melanoma in 2005, and about 7,770 people will die of the disease. ...

Simple drug has the potential to save many lives threatened by malaria

...is week's BMJ. Every year over a million children die of malaria in Africa. The majority of fatalities occur outside hospital, especially in rural areas. For those who do make it to hospital, half of deaths occur within 24 hours of admission. Conventional treatment, given by injection, is not possible ...

White blood cell waste disposal system plays critical regulatory role

...ances. Neutrophils have a short lifespan and often die via a programmed cell death pathway called apoptosis within a matter of hours. Dying neutrophils are recognized and ingested by cells in the body tissues called phagocytes. Although the specific mechanisms that regulate the proper ratios of neutroph...

Implanted Devices Detect High-Risk Heart Failure Patients

...s reported each year. Roughly one-half of patients die within five years of diagnosis. Although there is...lity were almost two-and-half times more likely to die after one year. "A person with normal heart rate variable would have a very wide footprint, while t...

Vascular structure and function improve with diet and exercise

... to three-fourths of people with diabetes mellitus die of some form of heart or blood vessel disease, according to the American Heart Association. "For both of these groups, their lifetime risk of developing hypertension is high," Petrella said. "Anything we can do to reduce that is important." ...

Potential treatments for neurofibromatosis

...ing treatment, they hope the tumors will shrink or die from lack of blood vessel support. Neurofibromatosis gets its name from neurofibromas, the disfiguring and often painful tumors that grow along nerve coverings and form on or under the skin. In most patients, the tumors begin to appear in adolescenc...

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