Scientists replicate hepatitis C virus in laboratory
...nto the culture medium. Further testing is needed before the researchers can determine if the viral particl...nto host cells and viral activity in the host cell before replication. "With this cell-based system, we can screen compounds with a cell-based assay to look f...UCLA neuroscientists pinpoint new function for mirror neurons
...text; 2) a tea service stocked with food and drink before use and after use, or context only; and 3) the grasping of a tea cup within each of the two contexts, signaling intent either to drink or to clean. Actions embedded in context, compared with the other two conditions, increased blood flow in the poste...Migraine linked to risky heart health
... of those with migraines experienced aura symptoms before a headache occurred. "For reasons that are not yet...at migraine with aura increases the risk of stroke before the age of 45, although the reason for this is not yet clear. Understanding the role of classic risk......the activating mutation was present in tumor cells before treatment with erlotinib or gefitinib, the second mutation was not found in pre-treatment biopsies from these patients, nor in over 150 lung cancer samples from patients who had not been treated with either drug. Additional cell culture studies suppo...Antimicrobials to prevent infection in major surgery are used properly only about half the time
...priately administered to patients (within one hour before incision) only 55.7 percent of the time, according...fectiveness of antimicrobials administered shortly before skin incision for prevention of SSIs was established in the 1960s and has been repeatedly demonstrat...Similar results found in both older and younger patients undergoing weight-loss surgery
...conditions and medications related to obesity both before and after the operation. In the younger group, the average age was 45 years, while in the older group, the average age was 62.5 years. At the time of operation, the average BMI was 46.4 kg/m2 in the older group and 48.2 kg/m2 in the younger group. Th...Computer model being developed at Stanford may help surgeons better predict patient outcomes
...going to do a procedure anyway. His team gets data before and after surgery and determines how well their mo.... "The point is to intervene first on the computer before going to the patient," he said. "We don't care if something bad happens to the computer model."...Regular cannabis may increase risk of stroke in young users
...d and the benefit to risk ratio taken into account before authorising their medical use," writes Dr Dominique Deplanque, of the Department of Pharmacology at the University of Lille....Hard choices: Pitt researcher presents findings on when to accept organ transplants
...f a living donor, how long should the patient wait before accepting the transplant? And in the case of a cadaveric donor, what criteria should one follow in deciding to accept a potential offer? The answers to these questions are not at all obvious, and Schaefer and his colleagues-- Mark S. Roberts, associ...Americans support most uses of reproductive genetic testing, report on US attitudes reveals
...ic diagnosis (PGD) performed on embryos in the lab before they are placed in the mother's uterus - was very low among all demographic groups. A Slippery Slope? "The specter of unchecked advances raises many fears, such as designer babies, eugenics and genetically modified human beings," the report notes...Female sex hormones play a vital role in defense against sexually transmitted diseases
...rmulated that would prevent herpes virus infection before they could start. Additionally she says, if they w... first study, mice were treated with hormones but, before being exposed to the real herpes virus, they received a vaccine Surprisingly, unlike in the first st...Vaccine may complement conventional treatment for chronic leukaemia
...eir conventional treatment. Patients were assessed before vaccination and after three and six doses for evidence of the disease. Nine patients on imatinib showed progressive reduction of their residual disease after three and six doses of the vaccine with five patients reaching complete cytogenetic remissi...Mayo Clinic study finds obese kidney donors face few increased risks
...ance of following obese patients for a longer time before drawing any long-term conclusions. Historically living kidney donation has been restricted to a select donor group in very good health. However, with national trends indicating an increased obese population in the United States, the number of obese i...New study tests amitriptyline for painful bladder syndrome
... longer stretches until they can wait 3 or 4 hours before going to the bathroom. Participants will also regu...pression. "Like so many potential treatments tried before it, amitriptyline looks promising. And we are desperate to find a safe and effective treatment for p...International gathering of experts to share retinoblastoma breakthroughs
...ory that explains how a cell accumulates mutations before becoming cancerous," Dyer said. "And he predicted the existence of tumor-suppressor genes." Barrett G. Haik, M.D., (University of Tennessee and chief of Ophthalmology at St. Jude) will make introductory remarks at Thursday morning's opening of the sy...Changing chemistry helps explain estrogen threat to the heart
...x compounds that enable estrogen's protective role before menopause. Hormone replacement therapy, touted for its ability to reduce the risk of heart attack and stroke in postmenopausal women, appears to increase the risk of those conditions, according to findings of the Women's Health Initiative, a 15-year...American Thoracic Society Journal news tips for February 2005 (second issue)
...ations tended to be seasonal, therapy should begin before the viral season when the exacerbation rate is high....Researchers confirm Vioxx nearly doubled cardiovascular risks in cancer prevention study
...pped September 30, 2004 - approximately two months before its planned completion. According to Robert S. Bresalier, M.D., of The University of Texas M. D. Anderson Cancer Center and lead author of The New England Journal of Medicine study, 46 of the 1287 patients randomized to take Vioxx daily had confirmed...Another look finds promising proteomics test is not biologically plausible
... protein "barcodes" to identify individual cancers before symptoms appear, but Baggerly and others maintain ... lack of standards, I think it will be a few years before we can know what works."...No increase in sexual risk taking among gay men in HIV-study
...kiest form of sexual encounter during the 6 months before enrollment. That level of risk-taking did not increase during 18 months of follow-up, even among men who at study entry thought the vaccine being tested might provide some protection. The vaccine being tested was ultimately shown to be ineffective. ...