New Treatment Successful With Hepatitis C
...of those responders relapse afterthey stop the six months of therapy, dropping the effectiveness rate toapproximately 25 percent. The poor response, side effects and cost of interferon treatment promptedSmith to look for another drug. Smith's study included 22 patients who were monitored over a four-yea...Tiny Jamaican Tree Crab Made Big And Fast Evolutionary Leap, Scientists Discover
...nd care for larvae and juveniles during theseveral months they spend in their rainwater nursery. "The mother crabmanipulates water quality by removing debris, by circulating the water to addoxygen to it, and by carrying empty snail shells into the water to buffer the pHlevels and add calcium," Hedges says.......of factor IX being increased forapproximately nine months with observations continuing. Researchers observed apartial correction of the whole blood clotting time and partial thromboplastintime, another laboratory test to measure clotting time. Also, there was notoxicity noted in treated animals. Hemophil...Peas With Built-In Weevil Resistance
...torage bin can lead to near-total crop losses six months later," says Dr Higgins. The CSIRO scientists are working in collaboration with scientists from the University of California and the Purdue University. The research is supported by growers through the Grains Research and Development Corporation.......ods are being stored for years,rather than the few months that was intended. Fliermans and his colleagues discovered the problem when they examinedsamples of cladding materials that had been dunked in seven of the eight basinsat Savannah River for up to a year. The samples were tiny rods, each 1cent...Molecular Key To Heart Failure Development
...Whetherthey're young animals or old animals--age 6 months or one year--we preventedit. The heart failure mice which also contain BARK-inhibitor are normal andremain normal over time." According to the UNC cardiologist, the outcomes demonstrate that afundamentalabnormality in the beta-adrenergic recepto...Naked DNA Rejuvenates Rheumatoid Rodents
...uscle suppressed arthritissymptoms for up to three months after treatment. The use of TGF- plasmids to treat arthritis evolved from previous work by Dr.Wahl, director of NIDR's Oral Infection and Immunity Branch. These earlierstudies, which used the TGF- protein rather than the gene-containing plasmid,showe...... "When you have a tumor, the several weeks or months of pain may induce achange in your pain response, so even after the tumor is removed, you're likelyto continue to have pain," Zhuo says. The good news is that silent synapses provide a potential target forpain blockers. As opioids and other d...Researchers Discover Way To Grow New Kidneys In Rats
...d are not rejectedby rats' immune systems within 6 months of attachment to ureters. Hammermansuspects this partly reflects the host origin of the kidney's blood vesselsbecause foreign blood vessels are a major stimulator of rejection. The use of adeveloping kidney also was key to reducing the immune respons...UF Researcher's Innovative Fence Helps Control Sand Flies
...fly population after the fence hasbeen running for months or even years. Sand flies infest all of coastal Florida. Day said many control strategieshave been tried against sand flies, also known as no-see-ums and wingedteeth, but all have failed because of the insects' complex biology. The carbon dioxide fen...USGS Scientists Find New Invasive Fish Species In Florida
...els are also able to survive weeks -- and possibly months -- without food. The eels are highly secretive, with most of their activities occurring at night. In the day, the fish hide in thick aquatic vegetation or in small burrows and crevices along the water's edge. In many populations, all young are hatch...... CD8 T cells, to increase dramatically two tothree months after initiating treatment in five study participants. These CD8 Tcell levels remained high for about a year. The Pitt study also was the firstto show a drastic drop in the numbers after a year. Despite the small amount ofkiller T cells, levels of...Destructive Algae Overtaking Mediterranean Waters
...n Caulerpas made much the same recommendation two months ago. They cited the 1992 Convention on Biological Diversity, which asks ratifying nations to "regulate the intentional or accidental introduction of non-indigenous species" and advised that European nations prohibit the aquarium trade or anyone e...Researchers Document Transmission Of Protease-Resistant HIV
...ho reported thathis only risk encounter in the six months prior to being infected with HIV wasreceptive anal intercourse without a condom. He said his partner had withdrawnbefore ejaculation, a behavior that many in the gay community have considered tobe a low-risk practice. "There may be a tendency to fee...Scientists Make Progress Toward Gene Therapy For HIV Infection
...short-lived. The fact that they live for weeks to months providesa rational basis for transfusing genetically altered cells to fight HIVinfection." To trace the infused cells, Dr. Walker and colleagues injected them with amarker gene called neomycin phosphotransferase. They used this gene because ithas a ...NIST Machine To Aid In Making Better Artificial Joints
...erials for orthopedic implants; it takes about six months forconventional equipment to simulate the natural wear of artificial hips. Such a long testing period results in higher research and development costs forcompanies trying to bring better products to market. So, NIST and four companies teamed...DNA Vaccine 100 Percent Effective Against Rabies In Monkeys
...d developedclinical signs of the disease. Yet six months after challenge, theinvestigators still could detect no evidence of rabies virus in the eightmonkeys that received the DNA vaccine and the two that received the HDCVvaccine. The only drawback of the DNA vaccine, says Dr. Lodmell, is that th...Forecasting The El Niño-Driven Ebb And Flow Of A Rogue Mosquito
...nd how large the population iscompared to previous months and years," Hopp said. "Potentially, with the use ...h as the midwestern UnitedStates during the warmer months of the year. Hopp said it is important to note that while climate plays a role in theabundance and d...Russian Queens Bee-Little Mites' Impact
... stray from beekeepers' colonies may survive a few months in the wild, he says, these days "they're doomed, too." The parasites develop on bee pupae. Once a bee emerges as an adult, it normally lives 30 days or more, depending upon how hard it works. But an infested worker may survive only 3 to 5 days...Hopkins Researchers Urge Regular Chlamydia Testing For All Sexually Active Teenage Women
...d tested positive for chlamydia within six toseven months intothe study," says Burstein. Other authors of the study include Charlotte A. Gaydos, Marie Diener-West,M. ReneHowell, and Jonathan M. Zenilman. Johns Hopkins Medical Institutions' news releases are available on aPRE-EMBARGOEDbasis on EurekAle...