Tag: "disorders" at biology news
Brain Protein "Rescues" Neurons From Atrophy
...ving gain or loss of brain cell connections. These disorders
might include some forms of mental retardation, ce...ects in neurotrophin signaling," Katz said. "These disorders
might include certain forms of mental retardation such as Down's syndrome, in which brain cells have...
Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia
...ddiction and lead to newtreatments for psychiatric disorders
and Parkinson's disease. It once againshows how our nation's commitment to research is needed to provide practicalsolutions for common health care problems." Insights into the mechanism of amphetamine drugs derived from studying the"knockout" mice s...
Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"
...so works for at leastthree other rare neurological disorders
-- Kennedy's syndrome, Machado-Josephdisease, and Spinocerebellar atrophy I -- that have the same expanded CAGrepeat. "Traditional dogma is that mutant genes produce proteins that eitherdon't work at all or don't work well," said Burke, the first au...
Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
...ny human inflammatory diseasesincluding autoimmune disorders
and septic shock," Blackshear said."This finding provides insight into a new gene that appears to regulateTNFa. It is possible that defects in this gene may cause people to be susceptibleto developing autoimmune diseases." The corresponding gene ha...
Florida Researchers Discover Gene For Fatal Childhood Disease
...ds ofpatients who suffer from cancer or autoimmune disorders
such as lupus. Children born with the syndrome have an inherited immune deficiencythat weakens their ability to battle bacteria and viruses. They typically dieby age 6 of infection or cancer, usually lymphoma or leukemia. The gene nor...
New Ultrasensitive Technique For Accurately Characterizing Biomolecules Is Developed By Cornell Chemists
...d for molecular investigations about human medical disorders
at the cellular level. "We have three orders of magnitude better sensitivity than what was possible before. The biggest thing about this is that you can get a complete identification of a totally unknown molecule. Just knowing the molecular weight ...
Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
... cellactivity to treat heart disease, neurological disorders
and other medicalproblems, say the researchers. In a report in the Sept. 12 Nature, the researchers reported discoveringa protein called RGS10 in human cells that seems to turn off, or desensitize,G proteins. G proteins are important "signal transd...
New Software Provides Quick Analysis of ion-Channel Activity
...ing cystic fibrosis, as well as some neuromuscular disorders
and some cardiac arrythmias. Now, biophysicists at...too long or not long enough, resulting in clinical disorders
where the muscles are either too weak or too excitable. By analyzing the currents that are produced...
Researchers Find Genetic Clues To Intestinal Disease
...the United States is actually a variety of related disorders
that can be inherited and cause similar symptoms in close relatives. The findings will help physicians predict who will get the disease, called Crohn's disease, speed diagnosis, and help determine the best treatment for each individual. "Although ea...
Laser Microscope At Cornell Images Serotonin In Live Cells
... It has been implicated in central nervous system disorders
such as anxiety, depression, obsessive-compulsive disorder, schizophrenia, stroke, obesity, pain, hypertension, vascular disorders, migraine and even nausea. Serotonin is synthesized in brain neurons and is released upon a nerve impulse, where it in...
Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...ever toidentify children with obsessive-compulsive disorders
(OCD) and tic disorders,including Tourette syndrom...dings by the sameresearchers that some OCD and tic disorders
may be triggered by the infectiousbacteria that cause strep throats, called Group A beta-hemolytic, ...
Single Mechanism Seen To Underlie Group Of Neurodegenerative Diseases: Mutant Proteins Form Insoluble Masses In The Nuclei Of Neurons
...ting neurodegenerative diseases.Among the movement disorders
involved are Huntington's disease andMachado-Joseph disease, less well known than Huntington's but perhaps as common.The findings will likely guide new investigations into the neuropathologicalcourse of these diseases, as well as the search for possi...
Second Gene Responsible For Tuberous Sclerosis Complex Identified
...n improving ourunderstanding of autism and seizure disorders
not related to TSC." The NINDS, one of the National Institutes of Health located in Bethesda,Maryland, is the nation's leading supporter of research on the brain and nervoussystem and a lead agency for the Congressionally designated Decade of the Bra...
DNA Testing For Genetic Disorders: 'Does It Run In The Family?' Explains Options, Limitations, Problems
...esting sometimes outstrips the abilityto treat any disorders
that may be discovered. Is it better toknow and no...neticdisorders are passed along in families, which disorders
can betested for, how DNA tests work, what such tests can and cannotreveal, and why the tests often ...
Vitamin C Deficit Linked To Skin Disease
...T is the most common form of porphyria, a group of disorders
that causeschemicals called porphyrins to accumulate in the body. Porphyrins are buildingblocks for the production of heme, an iron-containing substance found in allbody tissues. In people with PCT, a critical enzyme in the liver becomesinactivated, ...
OHSU Scientists Discover Mice Lacking Dopamine Receptor Are Supersensitive To Alcohol, Cocaine And Methamphetamine
...pamine system are known to be associatedwith human disorders
such as Parkinson's disease, schizophrenia and addiction.Dopamine producing neurons continue to be the focus of research because of theirwidespread importance in regulating complex locomotor, emotional andmotivational states." Grandy further explains...
Gene For Last Major Form Of Batten Disease Discovered
...that can lead to treatment for devastating genetic disorders
like Battendisease," said Catherine McKeon, Ph.D.,...s (LINCL), is one of four closely relatedmetabolic disorders
that lead to neurodegeneration. The four diseases are oftencollectively called Batten disease, alth...
Scientists Find New Trigger For Nerve Cell Death
...ead injury, spinal cordinjury or neurodegenerative disorders
such as Alzheimer's disease," says DennisW. Choi, M.D., Ph.D., the Jones Professor and head of neurology at WashingtonUniversity School of Medicine in St. Louis. Choi, who directs the Center for the Study of Nervous System Injury, wasthe sen...
Brain-Activity Data Clarify Contradictions In Earlier Anxiety Research
...d. "It also may turn outto play a role in anxiety disorders
in general. In post-traumatic stress,for example, a person becomes hypervigilant. We know the threat systemis activated. The puzzle is coming together, allowing us to begin lookingfor the mechanism." The findings in Abnormal Psychology were repor...
Cornell Text On International Nutrition
...od, nutrients, causes of malnutrition, nutritional disorders
and their prevention, and nutrition policies and programs. This book strongly emphasizes that ensuring adequate food, care and public health are essential approaches for sustainable improvement of nutritional status. The new book, which will be av...
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