Tag: "prevents" at medical news

Lack of awareness about stroke hinders use of life-saving drugs, precludes testing of new therapies

...A widespread lack of public awareness about stroke prevents the delivery of leading-edge therapies and hampers the efforts of researchers to test the next generation of clot-busting drugs, said Dr. Hal Unwin, associate professor of neurology at UT Southwestern Medical Center at Dallas. Last year at Parkland M...

Reduced scarring helps nerves grow through spinal injuries

...CM. "Infusion of decorin into spinal cord injuries prevents the formation of proteoglycan rich scar tissue by suppressing inflammation." Misaligned scar tissue that forms at spinal cord injuries physically blocks nerve regeneration and contains molecules called chondroitin sulfate proteoglycans that inhibit n...

Study clarifies impact of diet on the risk of gout

...mption or increasing low-fat dairy intake actually prevents outbreaks in gout patients could be valuable, the researchers say. Choi's co-authors include senior author Gary Curhan, MD, ScD, of HSPH and the Channing Laboratory at Brigham and Women's Hospital (BWH), Karen Atkinson, MD, MPH, of the MGH Rheumatol...

Lupus discovery may pave way to better-designed COX-2 inhibitors

...em with another molecule called c-FLIP, which then prevents the autoimmune T cells from self-destructing. Using commonly prescribed drugs called COX-2 inhibitors, which suppress COX-2 activity and, as a result, inflammatory chemicals called prostaglandins, the Northwestern researchers caused autoimmune T cel...

American Thoracic Society Journal news tips for March 2004

...ity in patients with cystic fibrosis (CF), it also prevents the increase in airway inflammation seen in untreated patients. The investigators examined 105 CF patients, aged 5 to 37 years (with the mean age about 12), using the bronchoaveolar lavage (BAL) test. (In BAL, doctors wedge a bronchoscope into a sm...

Researchers to pinpoint relationship between obesity-associated diabetes and heart disease

...bese people to varying degrees, insulin resistance prevents insulin from performing its job, which is to take the sugar from food and distribute it throughout the body for energy. "Up to 80 percent of obese people compensate for their insulin resistance by oversecreting insulin and therefore don't become diab...

Study finds fewer, but more advanced, colon cancers in postmenopausal women on E&P hormone therapy

...It's also possible that the hormone treatment only prevents pre-cancerous lesions from progressing," she said. "Study participants weren't screened for colon cancer when they entered the study, and colon screening wasn't part of the WHI activities, so we don't know if those who were diagnosed with colon canc...

Tumor suppressor genes predict bladder cancer future

...p53 is a tumor suppressor that in its normal form prevents cell changes that can lead to cancer. When p53 binds to DNA is stimulates another gene to produce p21. Then p21 interacts with a protein that stimulates cell division. When p21 is in a complex with this protein, the cell cannot go through the next st...

Optical glucose sensor holds promise for diabetics and intensive care patients

...ence of glucose, the quencher binds to the dye and prevents fluorescence, while the interaction of glucose with the quencher leads to dissociation of the complex and an increase in fluorescence. Singaram's team tested the sensor by mounting it in a flow cell and circulating a solution with varying concentrat...

Adaptive regulatory T cells suppress killing of persistently infected cells

...hat they have identified a cellular mechanism that prevents the immune system from destroying chronic, incurable viral infections such as herpes, hepatitis and human immunodeficiency virus (HIV). The research, published in the March issue of Immunity, explains why critical immune cells fail to act against the...

Myosin mutant points to human origins

...colleagues took their discovery of a mutation that prevents the expression of a variety of myosin -- designated MYH16 on chromosome 7 -- to its ultimate context: what makes humans different from other primates. "Around the lab, we jokingly call this the 'room for thought' mutation, since we had to involve sci...

NIAID vaccine protects against SARS virus infection in mice

An experimental vaccine prevents the SARS virus from replicating in laboratory mice, according to a new report in the April 1 issue of Nature. Scientists at the Vaccine Research Center (VRC) of the National Institute of Allergy and Infectious Diseases (NIAID), one of the National In...

Duke scientists overcome immune resistance in dendritic cell vaccines for cancer

...element is missing in dendritic cell vaccines that prevents them from activating the immune system, and we've shown how to insert that element." The major problem, said Yang, is that cancer cells are wily invaders, camouflaging themselves as part and parcel of the body in order to escape detection by the immu...

Cell research uncovers intriguing clues to 'Trojan horse' gene in HIV infection

...lls. Instead, it kills bystander cells and somehow prevents at least some infected cells from dying. "HIV works as both a sword and shield," said Dr. Finkel. "It destroys some immune cells, while taking over the genetic machinery of other immune cells and protecting itself within those cells." Other researche...

Changes in ovaries could indicate higher risk of ovarian cancer

...es involved higher levels of Bcl-2, a protein that prevents cell death. Similar previous studies have been limited to women genetically predisposed to ovarian cancer. "This study and others like it are building the foundation for better methods of early detection of ovarian cancer. If we are able to identify...

Exposure to famine associated with increased breast cancer risk

...by one-third to one-half for the animals' lifetime prevents various types of cancer, but the implications of short-term caloric restriction are largely unknown. However, reproducing these types of studies in humans raises ethical and practical issues. During World War II, a famine in the western part of The N...

New drug prevents arrhythmias that cause sudden cardiac death

...ril 9 issue of Science, showed the drug completely prevents sudden death from arrhythmia in mice that have the...ic and died. The new drug, developed by Dr. Marks, prevents arrhythmia and sudden death by patching the leak in the heart's calcium channel and is based on Dr. ...

Testing drug's ability to reverse stroke after standard three-hour window has closed

...abciximab may represent a new approach." Abciximab prevents blood platelets from forming clots, and also helps...essel becomes blocked in the brain. This blockage prevents oxygen and nutrients in the blood from getting to part of the brain, resulting in the death of that ...

CellCept's cardioprotective profile reinforced

...munosuppressive regimen with low toxicity, Zenapax prevents the acute rejection of the newly transplanted organ, and Valcyte developed for the prevention of cytomegalovirus, a dangerous viral infection associated with transplantation. In addition, Roche supports basic research in transplantation with its fund...

New drug is safer and more effective in preventing heart tranplant rejection

...ombined with cyclosporine and steroids, everolimus prevents transplant rejection and lowers risk of infection and other complications better than the current standard anti-rejection therapy," said Eisen. The Temple team currently has several research projects focused on the prevention of transplant rejection...

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