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Tag: "damage" at biology news

Muscle repair: Making a good system better, faster; implications for aging, disease

...hey don't, otherwise successful recovery following damage from overuse during exercise, surgery or trauma can be stymied. Furthermore, as we age, muscle repair slows noticeably, and in Duchenne Muscular Dystrophy and other degenerative muscle diseases, normal repair functions can't cope with disease progres...

Scientists uncover new clues about brain function in human behavior

... signals. Scientists know from animal studies that damage to the amygdala impairs social functioning. "Social interactions are central to human experience and well-being, and are adversely affected in psychiatric illness. This may be the first study to identify functional disturbances in a brain pathway as...

Ships bring alien jellyfish invaders to our shores

...reaten ecosystems and cause billions of dollars in damage and preventive control," says Dawson who tracked the invading jellyfish in Japan, California, western Europe and the east and west Australian coastlines. Introduced species are believed to cost the United States $122 billion per year. About 3,000 sp...

Global warming increases oyster sensitivity to pollution

...ssible mechanism for this observation is increased damage of mitochondria in cadmium-exposed oysters with increasing temperature", Lannig explains, "these organelles become significantly more sensitive to cadmium as temperature rises, so that cadmium levels which were not damaging to mitochondria at lower t...

Scientists use gene transfer technology and common virus to block neuropathic pain in animals

...le effect on this type of pain, which is caused by damage to sensory neurons that transmit pain, temperature...Neurology describes how laboratory rats with nerve damage showed much less pain-related behavior after receiving injections of the HSV-based vector, which con...

New study shows SARS can infect brain tissue

... that Mig could also have contributed to his brain damage by attracting immunological cells to the site of t...s for curbing Mig's possible role in causing brain damage in SARS patients with central nervous system infection, according to lead author Jun Xu, PhD, of the...

Locusts' built-in 'surface analysis' ability directs them to fly overland

...ying over agricultural lands and causing the great damage that ensues. One way of doing so might be through more extensive use of plastic sheeting as shields to create the reflection of the polarized light that the locusts avoid. ...

Hidden sponges determine coral reef's nutrient cycle

...ers often concentrate on subjects such as physical damage to reefs, the bleaching of coral and coral diseases. Sander Scheffers investigated a lesser-studied subject: the nutrient cycle on the coral reef and the role that organisms living in cavities, such as sponges, play in this. Underwater camera To...

Israeli scientists successfully transplant frozen-thawed ovaries in sheep

...als during the freezing process, thus reducing the damage caused to cells by conventional methods[4]. Sheep were chosen because their ovaries are similar to those of humans. The technique worked ?the frozen-thawed ovaries produced comparable numbers of follicles as the fresh control ovaries. The next obje...

Molecular trigger for Huntington's disease found

...e animals. They found that deleting p53 suppresses damage to neurons in the eye of fruit flies engineered to have the abnormal HD protein. And in mice with the abnormal protein, knocking out p53 corrects behavioral abnormalities that the mice otherwise display. These behaviors include abnormal reflexes such...

Researchers Discover Gene That Determines Asthma Susceptibility By Regulating Inflammation

... and restrict. ROS is thought to cause lung tissue damage as well. ROS levels are normally offset by antioxidants in non-asthmatics. Recently, researchers have been hunting for novel genes that regulate inflammation with the hope of developing them as targets for the next generation of asthma drugs. Suspec...

Scavenger cells could be key to treating HIV-related dementia

... the scavengers of the immune system, actually may damage a part of the brain where many memories are stored...ver time and try to understand why this particular damage happens" But these results are just a first step, Salemi said. The team is now analyzing brains fro...

Quick identification needed to save Florida's citrus industry from devastating disease

... and the removal of infected trees will reduce the damage done by this disease," he said. Plant pathologists have been surveying and testing for citrus greening since the psyllids were found in the U.S. in the late 1990s. Citrus greening infects all types of citrus species. The name "huanglongbing" means "...

Scientists use gene transfer technology and common virus to block neuropathic pain

...le effect on this type of pain, which is caused by damage to sensory neurons that transmit pain, temperature...Neurology describes how laboratory rats with nerve damage showed much less pain-related behavior after receiving injections of the HSV-based vector, which con...

Experimental shingles vaccine proves effective in nationwide study

...ing age, the virus can reactivate, multiply in and damage sensory nerve cells to cause pain. It then migrate...aling of shingles and reduce the severity of nerve damage caused by the disease, but only if these medications are used within 72 hours of the first sign of a...

Corn grain mould used as pesticide

...or use en masse. There is no danger of additional damage as a result of 'inoculating' the fields with mould, it is claimed. "It can scarcely be prevented that maize or nuts will be infected to a certain extent with brown mould," Sebastian Kiewnick emphasises. "We can only influence which strain of aspergil...

North & South American researchers find architectural abnormalities in T. cruzi ribosome

...and his colleagues discovered years ago, the heart damage associated with Chagas disease is triggered by ant...ly that the water has no chance to crystallize and damage the ribosomes. Then, the frozen sample is imaged with an electron beam in the transmission electron ...

New study finds how cells with damaged DNA alert the immune system

...University of California, Berkeley, has found that damage to a cell's DNA sets off a chain reaction that lea...impairment of a cell's genetic material -- the DNA damage pathway -- was exposure to radiation and chemotherapy drugs. They found that cells in which the DNA...

Renewed hope for Parkinson's patients

...University of California, Berkeley, has found that damage to a cell's DNA sets off a chain reaction that lea...impairment of a cell's genetic material -- the DNA damage pathway -- was exposure to radiation and chemotherapy drugs. They found that cells in which the DNA...

Techniques available to detect soil that inhibits destructive soybean pest

...e desirable than using chemicals in order to limit damage to the environment." In a paper published in the ...tunted soybean plants. Plants with severe, visible damage can occur in patches in highly infested fields. There are no pesticides that will eradicate soybean...

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