Tag: "previously" at medical news

Use it or lose it applies to nervous system, scientists find

... muscle fiber cells changed with time. "No one had previously monitoredthe turnover of membrane proteins in a single cell in a living animal,"Akaaboune says. "People tried to understand turnover before, but they were ableto do experiments only with cultured cells or, more crudely, by grinding upwhole muscles." ...

Pathway may provide target for treating chronic pain

...of pain through a network of cellularreceptors not previously associated with pain. This network may be responsiblefor transmitting chronic pain, and blocking its activity may provide a newstrategy for pain management. Scientists from Washington University School of Medicine in St. Louis and HowardHughes Medic...

Federal institutes and the Robert Wood Johnson Foundation create Tobacco Use Research Centers

...tional methodsof intervention or who have not been previously targeted; University of Wisconsin Medical School, Madison Principal Investigator: Michael C. Fiore, M.D., M.P.H. Theme: relapse to tobacco use; Yale University, New Haven, CT Principal Inv...

Cocaine acts on central nervous system, causing vessel constriction, rapid heartbeat

...ubsequent heart attacks." Such studies had previously been done in rats, but the rats had beenanesthetized whenthe cocaine was administered. UT Southwestern researchers suspected that theresults would be different in humans. "In animals whose central nervous system is already affected byanesthes...

NIAID funds three Chronic Fatigue Syndrome (CFS) Research Centers

... andtreatment. CFS is a puzzling disorder in which previously healthy adults or adolescentsdevelop severe unexplained fatigue that persists beyond six months, often inassociation with a spectrum of additional complaints such as sleep disorders,problems with mental concentration and memory, muscle and joint ache...

Cutting-edge research on hepatitis, liver transplants and liver disease to be revealed at national medical conference

...entations coveringliver-related diseases featuring previously unpublished findings on such diversetopics as: Using alcohol to repair a damaged liver Prediction that Hepatitis C-related carcinoma will impact U.S. soon Prevalence and risk factors for hepatitis C infection in U.S. veterans Impact of race on ...

Yale study of long-term learning deficits resulting from repeated amphetamine exposure could help drug abusers

...scrimination and spatial working memory. Primates previously exposed to amphetamines failed to successfully perform the tasks even with continued testing, for up to one and a half years. "The results show the presence of profound cognitive deficits in the amphetamine-treated animals," said Castner, associat...

'Biochemical storm' following brain trauma, an important factor in treatment

...for up to one month afterward -- weeks longer than previously suspected, according to a University of Florida Brain Institute researcher. The finding, based on studies in rats, suggests that treatment for traumatic brain injury must take into account tissue damage that continues to occur long after an accident....

Targeted toxins may revolutionize pain therapy

... pain," Wiley said. "In addition, theyoffer novel, previously never available, therapeutic potential." Wiley and others will participate in a Society for Neuroscience symposiumentitled "Exciting new advances in pain research and treatment using receptorinternalization technologies" on Thursday, October 28, in R...

Despite the best available anti-aids drugs, Jefferson scientists detect active HIV in the bloodstream

...or Human Virology. "There had not been replication previously detectable in the bloodstream or in genital fluids...ve virus in the seminal fluid of 10 patients. They previously reported that the AIDS virus is still present in a potentially infectious inactive, "latent" form in...

HDL -- 'good' cholesterol -- helps bypass surgery

...like HDL cholesterol is playing a bigger role than previously thought." HDL helps clear bad cholesterol from the...w HDL cholesterol following bypass surgery had not previously been clearly established. HDL cholesterol is considered low at 35 mg/dl or below in men and 45 mg/...

New treadmill 'scores' may help physicians better diagnose heart disease

...rch, involving 599 male patients, none of whom had previously had a heart attack, was carried out at the Stanford/Palo Alto V.A. Health Center in Palo Alto, Calif., and William Beaumont Hospital in Birmingham, Mich. The study found that 58 percent of the patients had evidence of significant heart disease deter...

Emotional support during conflict situations elevates blood pressure in African-American boys

...ed from results for African-American boys and from previously published findings of studies conducted with white women. The 13- to 16-year-old African-American girls in the study were expected to be more receptive to encouragement and other forms of emotional support than to problem-solving support, since much...

Yale scientists discover new technique for studying living cells, furthering knowledge of diseases like Parkinson's

...e Parkinson's. Because of their small size, it has previously been impossible to record the electrical activity of mitochondria in living cells. The new technique of mitochondrial recording will allow scientists to study parts of cells that have been inaccessible. The technique, which is detailed in the Novemb...

'Chaos' theory empowers researchers to predict epileptic seizures

... approach for seeing a kindof order in events that previously had appeared to be random. Early in the 1990s, the approach enabledSackellares and Iasemidis to be the first to identify the existence of a pre-seizure transitionperiod. In their early research the scientists were looking for such transitions to occ...

Scientists identify gene that detects DNA damage

...to serious disarray ending in cancer. Scientists previously had identified mutations in a single gene, called ATM, as the cause of A-T, but the UW team, led by associate professor of genetics John Petrini, now reports that mutations in a closely linked neighboring gene, called Mre11, can also independently pr...

Oregon Health Sciences University Researchers track long-term results of chemotherapy assisted by blood-brain barrier disruption

... blood-brain barrier disruption (BBBD) and had not previously undergone radiation therapy. Overall, 42 percent of these patients survived five years or more. That compares with a 9 to 22 percent five-year survival rate for patients treated with a combination of radiation therapy and non-enhanced chemotherapy. A...

New understanding of a key control mechanism in the brain

...tiny population is several times more diverse than previously thought. Further, using new methods that they developed, the researchers succeeded in recording directly how individual inhibitory neurons control their neighbors. They found that I-neurons build complex synapses (connections) onto their target neur...

Coupling of brain proteins may prompt new treatments for schizophrenia, addiction

... - by binding to each other. "What we found is a previously unknown method of signal transduction between two ... HSC's research institute. Dopamine receptors were previously believed to be able to modify GABA receptors only by interacting with another protein, called G-prot...

Not Cartier, but non-allergenic and long-lasting: Worlds first diamond micromachines created at Sandia

...strongest substrates. However, a process developed previously by Friedmann and Sullivan eliminates that problem. Also, diamond produces less stiction than silicon. (Stiction is a tendency for an object resting on another to stick, rendering devices useless.) This is because, says Sullivan, while silicon is hydr...

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