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Causes in Biological News

Researchers design first model motor nerve system that's insulated and organized like the human body

... will drastically improve understanding of the causes of myelin-related conditions, such as diabetic ... use controlled lab conditions to zero in on the causes of demyelination. Yet, due to the complexity of ... the origins of diabetic neuropathy. Once the causes of myelin degradation are identified, targets for ...

Study characterizes eczema patients most at risk for dangerous viral infections

... and antimicrobial-protein production as possible causes for the increased susceptibility. "Previous ... herpes simplex virus is common but only rarely causes disseminated skin infections that can spread to ... name for eczema, an allergic skin condition that causes itchy, inflamed and cracked skin. The ADVN ...

A new mouse model provides insight into genetic neurological disorders

... symptoms are complex and diverse. The genetic causes identified are often lethal when transferred to a ... and maintain muscle cells become defective, which causes weakening and loss of muscle that is significant ... from parents to their children but the genetic causes identified are often lethal when transferred to a ...

Fertilization intensifies competition for light and endangers plant diversity

... predicted to be one of the three most important causes of biodiversity loss this century. The research, ... of his PhD work. The addition of nutrients causes competition for the vital sunlight to follow a ... light following eutrophication is one of the main causes of the loss of plant diversity. The results of ...

Brain protein central to both Parkinson's, drug addiction identified

... not only to be central to the process that causes Parkinson's disease but could also play a role in ... understanding of the brain damage that causes symptoms like tremor, stiffness, slowness of ... there are more than three dozen other known causes of this array of symptoms, known as ....

Taste, odor intervention improves cancer therapy, according to Virginia Tech, Wake Forest study

... with a better understanding of the types and causes of taste and odor dysfunctions so that they can ... or metallic taste. Altered sensory perception causes psychological anxiety and malnutrition, and thus ... smell. "Oncologists who understand the types and causes of taste and olfactory abnormalities may be ...

Autism Speaks funds $5 million to studies on genetic and environmental risk factors for autism

... partnerships focused on understanding the causes of autism to date. The Autism Speaks funding will ... also significantly add to our knowledge about the causes of autism by looking at the interaction between ... chance of untangling some of the complex causes of autism." The UNC-Chapel Hill brain imaging ...

CSHL scientists clarify editing error underlying genetic neurodegenerative disease

... important new details about how a gene mutation causes a cellular editing error that results in a ... have known about the gene mutation that causes the disease, they haven't been able to explain why the mutation causes a defect in an essential cellular function called ...

Researchers genetically link Lou Gehrig's disease in humans to dog disease

... myelopathy (DM) in dogs is the same mutation that causes amyotrophic lateral sclerosis (ALS), the human ... that expressed the mutant human gene SOD1, which causes ALS. Researchers found that dogs with DM also had ... for treating ALS in humans." ALS causes progressive neurodegeneration, affecting both the ...

Study shows California's autism increase not due to better counting, diagnosis

... dollars are spent on studies of the genetic causes of autism than on environmental ones. We need to ... to loom larger in the future. Until we know the causes and can eliminate them, we as a society need to ... two large studies aimed at discovering the causes of autism. Hertz-Picciotto is the principal ...

High blood sugar's impact on immune system holds clues to improving islet cell transplants

... High blood glucose, or hyperglycemia, causes all sorts of dysregulation throughout the body. ... be lethal. But Dr. Pacholczyk hypothesizes it causes a temporary shift in the immune playing field ... Alberta were the ones to find high blood glucose causes a short-lived suppression of the attack mode of ...

Reducing the damage of a heart attack

... heart muscle by depositing the fibers, but this causes a greater problem," says Dr. Thomas Sato, ... in New York City. "This process, called fibrosis, causes the heart to become like steel, unable to ... result can be fatal." Myocardial infarction causes 13 percent of deaths worldwide and is the leading ...

Red alert! How disease disables tomato plant's 'intruder alarm'

... bacterium overcomes a tomato plant's defences and causes disease, by sneakily disabling the plant's ... . The new study focuses on a pathogen which causes bacterial speck disease in tomato plants. This bacterial invasion causes black lesions on leaves and fruit. Severe ...

Duke team finds compounds that prevent nerve damage

... Chemistry and Biology . Huntington's disease causes uncontrolled movement and mental deterioration ... tested to learn whether they have the gene that causes the devastating illness, Greenberg said. ... would prevent the fibrous tissue process that causes chronic renal, vascular and lung disease. ...

£2 million study to reveal workings of dementia genes

... scientists are to investigate the biological causes of the second most common form of dementia after ... tau and progranulin have been identified as causes for FTLD but these only account for 10% of cases. ... have a much clearer understanding of the genetic causes underlying FTLD. "Understanding the biological ...

Milk may help bacteria survive against low levels of antibiotics

... one of the most important micro-organisms that causes mastitis in cows and sheep, called ... "Mastitis is a difficult disease to control. It causes risks for public health if people drink infected milk and is expensive for farmers as it usually causes severe milk production losses, increased ...

Case Western Reserve University School of Medicine researchers receive $10.8 million

... results in the progressive immune deficiency that causes AIDS. The grant will fund four coordinated ... Our projects hope to shed light on how HIV causes immune activation and eventually leads to immune ... explore different aspects of how HIV infection causes immune activation which is believed to cause CD4+ ...

NYU Langone Medical Center's tip sheet to the International Conference on Alzheimer's Disease 2008

... animal studies aimed at understanding how amyloid causes neuronal dysfunction in the brain. All of this ... bacteria could serve to better understand the causes and mechanisms of the disease, the researchers ... yet been proven definitively that either actually causes the disease. Presentation # P1-059 ...

Hepatitis C virus may need enzyme's help to cause liver disease

... key enzyme may explain how hepatitis C infection causes fatty liver a buildup of excess fat in the ... has provided new insight into how hepatitis C causes fatty liver. This has important implications for ... studies and efforts to understand how the virus causes an increase in fatty acid levels that can lead to ...

Integrins as receptors give insight into rotavirus and diarrhea

... Center. Rotavirus is one of the most common causes of diarrhea, resulting in approximately 3 million ... year in the United States alone. Worldwide, it causes nearly half a million deaths each year. Finding out how rotavirus causes diarrhea and looking for ways to block it is a ...

Study of marine snail leads to new insights into long-term memory

... axon and, through a complicated process, causes the growth of new presynaptic axons. In Current ... binds to receptors on the postsynaptic neuron, it causes an elevation of calcium within the postsynaptic ... somehow this elevation of postsynaptic calcium causes synthesis of presynaptic proteins. In other ...

The mystery of mass extinctions is no longer murky

... part, scientists have been unable to pin down the causes of such dramatic events. In the case of the ... large asteroid crashing into the planet. But the causes of other mass extinction events have been murky, ... Paleontologists have been chipping away at the causes of mass extinctions for almost 60 years, ...

More sensitive radiology monitoring in the Basque Country

... where the probe or detector is located), and this causes the recorded dose rate to increase, without the ... between concentrations of radon due to natural causes and those caused by a radiological incident. ... are triggered whenever there are external causes and not when a rise in natural radioactivity is ...

Analysis of millions of US births shows association between birth defects and preterm birth

... Birth defects and preterm birth are the leading causes of infant death. About 8 percent of babies ... those of earlier, smaller studies. The causes of most birth defects are still not known, says ... importance of understanding the possible shared causes and risk factors that lead to preterm birth among ...

Cells lining milk ducts hold key to spread of common form of breast cancer

... spreading disease. But it hasn't been clear what causes the transition from a localized cancer to ... To identify which genes are affected and what causes their activity level to change, Polyaks team ... neighbors," Polyak says. "The presence of DCIS causes the pattern of signals to change significantly, ...

Findings a step toward making new optical materials

... is difficult because inherent thermal energy causes the particles to constantly vibrate, a phenomenon ... by capillary force, the same phenomenon that causes water to rise to a higher level in a tube placed ... uniform structure," Won said. "Water evaporation causes a non-uniform structure formation on the surface. ...

Research identifies first method for testing, assessing drug treatments for Chagas' disease

... used to treat the disease is highly toxic and causes serious side effects. Now, new research just ... against Trypanosoma cruzi, the parasite that causes the disease. We also found that the ... In its first stages, the disease often causes no more than a local swelling at the point of the ...

A genetic cause for iron deficiency

... or cause chronic blood loss, the most common causes of iron deficiency. All had evidence of anemia ... still unknown, deficiency of the TMPRSS6 protein causes the body to produce too much hepcidin, a hormone ... to make them comes from macrophages, and hepcidin causes macrophages to hold on to iron. This explains the ...

For some who have lost their sense of smell, a once popular asthma drug could help

... people. That is due in part to the fact that the causes of smell loss are varied and complex, ranging ... drug is a generalized inhibitor which means it causes certain chemicals like cAMP and cGMP to increase. ... in treatment of heart disease, but there are many causes of heart disease besides elevated cholesterol." ...

UC Davis researchers discover how HIV turns food-poisoning into lethal infection

... the infection spreads to the bloodstream and causes what is called NTS bacteremia. While at a ... was quickly becoming one of the leading causes of death in parts of Africa. (Gordon is a ... of Salmonella. We believe IL-17 deficiency causes defects in the mucosal barrier of the gut, ...

Blood vessel protein reverses macular degeneration, diabetic retinopathy in mice

... SALT LAKE CITY Two major eye diseases and leading causes of blindnessage-related macular degeneration and ... blood vessels are often unstable and weak, which causes them to leak and potentially lead to diseases ... blood vessel growth and the destabilization that causes leakage. Robo4 is found only in cells in the ...

Epigenetic changes discovered in major psychosis

... may be the missing link in understanding what causes an illness. The DNA sequence of genes for someone ... changes were important to understanding what causes major psychosis, explains Dr. Petronis. Now we ... And once we understand the primary molecular causes of an illness, we can advance diagnosis and ...

UVA reports surprising findings related to myotonic muscular dystrophy

... development of the heart. Too little of it causes major cardiac problems including slow and ... It is currently thought that the toxic RNA causes DM1 by disrupting normal RNA splicing. Much ... research from 2006 which showed that toxic RNA causes DM1 and that getting rid of it actually reversed ...

Relationship between environmental stress and cancer elucidated

... One way environmental stress causes cancer is by reducing the activity level of an enzyme that causes cell death, researchers say. They found that ... therapy. This paper describes how stress causes desumoylation and sumoylation of SIRT1 and ...

St. Louis University scientists identify chemical that triggers Parkinson's disease

... have discovered the key brain chemical that causes Parkinsons disease a breakthrough finding that ... some people, the protein clumps together. This causes the death of the dopamine-producing cells, which in turn causes Parkinsons to develop. The SLU researchers ...

Understanding, combating foodborne pathogens E. coli 0157 and salmonella

... resources. Salmonella, one of the most common causes of gastroenteritis and which is spread through ... produce, also harms livestock. It causes bloody diarrhea in feedlot cattle and causes dairy cattle to abort. Renter's work centers on ...

Bleeding, not inflammation, is major cause of early lung infection death

... the first time that a toxin released by bacteria causes severe bleeding in the lungs by patients with ... first time that a toxin released by S. pneumoniae causes severe bleeding in the lungs. Normally, competing ... release a protein called pneumolysin, which causes an overproduction of CYLD, which increases the ...

Understanding hypertension in African Americans proves elusive

... to the development of hypertension because it causes the kidney to retain salt. Aldosterone, released ... regulation may play a role because aldosterone causes the kidney to retain salt. Brown said he wanted ... hypertension. Each of these pieces, or possible causes of hypertension, needs to be studied in a ...

Deep into the machinery of adult fragile X

... is caused by alterations in the same gene that causes fragile X syndrome. Fragile X tremor/ataxia ... arise from malfunction of the same gene that causes fragile X syndrome. They theorize that the ... unlike fragile X syndrome, in which the mutation causes complete loss of the genes functions, the FXTAS ...

deCODE discovers cause of major subtype of glaucoma

... the accumulation of microfibullar deposits that causes XFG, providing a promising mechanism to target ... study. Glaucoma is one of the most common causes of blindness worldwide. There are various types ... there are no treatments targeting the underlying causes of the condition. ...
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(Date:9/18/2014)... BUFFALO, N.Y. A sleep-promoting circuit located deep in ... deep sleep. Discovered by researchers at Harvard School of ... and Biomedical Sciences, this is only the second "sleep ... to be both necessary and sufficient to produce deep ... Neuroscience , the study demonstrates that fully half of ...
(Date:9/18/2014)... USA Miranda, a small, icy moon of Uranus, ... bodies in the solar system. Despite its relatively small ... intense resurfacing that resulted in the formation of at ... regions called coronae. , These coronae are visible ... least 200 km across. Arden corona, the largest, has ...
(Date:9/18/2014)... New research into the Crimean-Congo hemorrhagic fever virus (CCHFV), ... in humans similar to that caused by Ebolavirus, has ... discovery has the potential to lead to novel targets ... The research, reported in a paper published today in ... scientists at the Texas Biomedical Research Institute and their ...
Breaking Biology News(10 mins):No sedative necessary: Scientists discover new 'sleep node' in the brain 2Miranda: An icy moon deformed by tidal heating 2Miranda: An icy moon deformed by tidal heating 3Miranda: An icy moon deformed by tidal heating 4Miranda: An icy moon deformed by tidal heating 5Miranda: An icy moon deformed by tidal heating 6Miranda: An icy moon deformed by tidal heating 7Research milestone in CCHF virus could help identify new treatments 2
(Date:9/18/2014)... A unique partnership to support private efforts to provide ... provide a model for similar efforts should federal officials ... of reform of the VA health system, according to ... Veterans Initiative, a joint project of philanthropic groups and ... patient care, education and other services to veterans and ...
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(Date:9/18/2014)... (Sept. 17, 2014) -- Two independent groups of ... the University of Kentucky, and Charles Lowenstein, MD, ... studies exploring the role that a gene called ... , According to Whiteheart, previous genome-wide association studies ... factor that regulates a protein called Von Willebrand ...
Breaking Medicine News(10 mins):Health News:Study provides insight about providing private mental health service to veterans 2Health News:Study provides insight about providing private mental health service to veterans 3Health News:ItsHot.com Now Offering 65-80% Discount on its Striking Collection of Diamond Wedding Bands 2Health News:Dr. Ellen Brown Promoted to Chief Medical Director at Pathways Home Health & Hospice 2Health News:FDA Panel: Limit Testosterone Drug Use 2Health News:FDA Panel: Limit Testosterone Drug Use 3Health News:FDA Panel: Limit Testosterone Drug Use 4Health News:University of Kentucky research explores STXBP5 gene and its role in blood clotting 2
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