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Tag: "impairment" at biology news

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...ignal they got from glucose," Dr. Patti said. "The impairment was permanent. It couldn't be corrected even when the body caught up to normal weight." Because studies of mice generally are good predictors of human biology, the Joslin study has important implications. "People and their doctors need to understand...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...nitis pigmentosa, which cause blindness and vision impairment in about 10 million Americans. More than one million of these people are legally blind. "As is commonly seen in with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small central circle, and all p...

Ophthalmologists implant five patients with artificial silicon retina microchip

...nitis pigmentosa, which cause blindness and vision impairment in about 10 million Americans. More than one million of these people are legally blind. "As is commonly seen in with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small central circle, and all p...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...likely to cause problems." She adds that, "Memory impairment in wild animals would undoubtedly have severe impl...who were not infected as pups do not suffer memory impairment as the result of adult infection, and those who were infected are completely normal until they get t...

Compound might defeat African sleeping sickness, clinical trial beginning this month

...produces fever, lymph nodes inflammation, eventual impairment of the brain and nervous system in its late stage and, if not treated, death. The World Health Organization has estimated that more then 300,000 people are infected, and more than 60 million living in the region are at risk. Now, real hope for a bet...

Millennium Ecosystem Assessment: Many of 2 billion dryland dwellers at risk as land degrades

..., biophysical impacts include downstream flooding, impairment of global carbon sequestration capacity, and regional and global climate change. "Given the size of population in drylands, the number of people affected by desertification is likely larger than any other contemporary environmental problem," says th...

Investigating 'brain shrinkage' in alcoholics

...ity, and visuospatial ability may continue to show impairment for weeks to months with sobriety, with prolonged sobriety these brain functions can show improvement." - Some alcoholics can achieve long-term abstinence in spite of persistent deficits in decision-making. "There is accumulating evidence that the ...

Brain size may depend upon how neural cells are cleaved

...observation led us to want to further test whether impairment of Gβγ has any consequences for cell fate in divis...ls," said Tsai. To determine definitively whether impairment of Gβγ had a direct effect on cell fate, the researchers impaired Gβγ signaling in the mouse brains ...

Methamphetamine Abuse, HIV Infection Cause Changes in Brain Structure

...use and HIV infection appears to result in greater impairment than each condition alone. “Methamphetamine abuse...ed volumes are correlated with increased cognitive impairment in one brain region, the hippocampus. Dr. Jernigan explains that the changes seen in brain structur...

Corn grain mould used as pesticide

...ant Diseases explains. "The consequence is drastic impairment of growth and of other types of development." 'Good' mould displaces its highly toxic cousin The remedy may lie in the idea of US researchers Dr. Peter J. Cotty, which is both simple and ingenious. "In addition to the dangerous strain aspergillus f...

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

...hat set off the sequence of events associated with 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 damage pathway was triggered were the ones that exhibited an increase in the expression of special pro...

Renewed hope for Parkinson's patients

...hat set off the sequence of events associated with 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 damage pathway was triggered were the ones that exhibited an increase in the expression of special pro...

OHSU researchers discover potential mechanism to repair brain damage linked to Multiple Sclerosis

...myelin-producing cells and be related to the motor impairment seen in CP. My hope is that this work will benefit a wide range of patients from premature infants to stroke victims to those suffering from debilitating neurological diseases such as MS where repair of damaged myelin does not occur." Sherman shares...

Molecular Partners Required For Appropriate Neuronal Gene Repression

...myelin-producing cells and be related to the motor impairment seen in CP. My hope is that this work will benefit a wide range of patients from premature infants to stroke victims to those suffering from debilitating neurological diseases such as MS where repair of damaged myelin does not occur." Sherman shares...

Amphetamines reverse Parkinson's disease symptoms in mice

...t. Progression of the disease also leads to severe impairment in cognitive function. Dopamine replacement therapy which involves administration of the dopamine precursor, L-DOPA, remains the gold standard for Parkinson's treatment, said Tatyana Sotnikova, Ph.D., of Duke. However, the efficacy of the therapy wa...

Cyberkinetics, Case to develop system to help restore extremity function

...zed individuals, as well as individuals with motor impairment from a variety of causes, a long-term, direct brain-computer interface for the purpose of communication and control of a computer, assistive devices, and, ultimately, limb movement. More information is available at www.cyberkineticsinc.com . For s...

New battery technology helps stimulate nerves

...s system, treat incontinence and overcome muscular impairment is coming on line as scientists and engineers continue to shrink the components that make up the devices. Central to that ability, according to University of Wisconsin-Madison Professor Emeritus of chemistry Robert West, is new lithium battery techn...

Phenolic compounds may explain Mediterranean diet benefits

...er high fat meals, like a burger and fries, showed impairment of normal blood vessel functions," Dr. Wilson said. Dr. Wilson pointed out that not all olive oils have a high phenolic content. "So these results might not be true for all olive oil on the shelf at the grocery store," he said. Juan J. Badimon, Ph...

Tiny RNA molecules fine-tune the brain's synapses

...e. All three genetic disorders can cause cognitive impairment and autistic-like behaviors. ...

NJIT engineer poised to take stem cell research a step forward

...that in five years, say, a person with spinal cord impairment could visit a doctor and be injected with a supply of stem cells. After such treatment, the patient's spinal cord would begin to heal." Working with Michael Jaffe, PhD, professor of biomedical engineering and chemistry at NJIT, Arinzeh will make...

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