PSA Levels Mean More Extensive Prostate Disease In Older Men
...cer was either confined to the prostate or had not spread outside the gland to lymph nodes and the seminal vesicles. For a given PSA range, increasing age was associated with lower probability of cure. If a man 40 to 50 years old had a PSA level of 4.0, for example, he had an 89 percent chance of having ...New Model Makes It Possible To Predict Emergence Of Antiviral Drug Resistance
...n drug resistant strains of the virus,which can be spread through sexual transmission or evolve naturally duringtreatment. In fact, after 50 years of increased treatment with the drugacyclovir, drug resistant strains accounted for 29 percent of infectious cases.Importantly, the model also identified the mo...Interleukin-12 Helps Control Mycobacterium Avium Infection
...erwiseimmunocompromised, however, the organism can spread throughout the body,damaging tissues and causing fever, night sweats, weight loss, fatigue, orprogressively severe diarrhea. In people with AIDS, M. avium infection usuallyoccurs late in the course of the disease concurrent with low CD4+ T-cell coun...Vaccine Kills Spreading Cancer In Animal Model
...e animportant tool for preventing and treating the spread of cancers." Giving the vaccine prior to a tail vein injection of cancer cellsprevented development of metastatic lung tumors in eight of 10 mice, while allthe mice in two control groups that received cancer cells but no vaccinedeveloped tum......to enter skin cells at the site of infection andto spread into cells of the nervous system. In addit...g HSV-1 andHSV-2 infection of mucosal surfaces and spread to the nervous system. It is aprime target for novel prophylactic or therapeutic interventions," Spe...Plant Pathologists Collaborate Worldwide To Combat Sorghum Ergot
...ease in Texas in March of 1997. ByOctober, it had spread throughout Texas and was recorded in Georgia, Kans...irst outside Asia and Africa. The disease quickly spread North to coveralmost all countries where sorghum is grown in South America, Central America,the Cari...Potential Solutions For Gulf of Mexico's "Dead Zone" Explored
... the ability to naturally flood over its banks and spread nutrientsover the landscape,” Mitsch said. “When water naturally spillsover the banks, it can drain through a riparian corridor and come back ascleaner ground water. “It’s our job to assess how well these proposed ecotechnologies...At Last, Zoologists May Know What Is Killing The World's Amphibians
...ody knows where the fungus came from, or how it is spread (seebelow). It was first noticed by Don Nichols, a colleague of Pessier's at the zooin Washington DC, in arroyo toads, Bufo microscaphus californicus, from acaptive colony in California. At first Nichols didn't recognize it as a fungus. Beca...USGS Scientists Find New Invasive Fish Species In Florida
...er in Gainesville, Fla. "It has the potential to spread into freshwater ecosystems throughout the Southeas...Georgia, scientists suspect the swamp eel may have spread to other parts of the Chattahoochee River system. To determine if this is true, University of Georg...Discovery Of Plant-Like Metabolic Pathway In Common Parasites Supplies New Targets For Therapy
... the world, including industrialized countries, is spread by <AHREF="http://www.noah.cuny.edu/pregnancy/march_of_dimes/pre_preg.plan/toxoplas.html">cats and is acquired from eating meat that has not been cooked to "welldone." Although infection is usually harmless, it can cause devastating problems...New Strategy Discerns Early Stages Of HIV Infection, Paving Way For Targeted Study And Therapy
...IVwould greatly assist researchers in tracking the spread of the disease," saidChesney, "as knowledge of recent infection provides data on HIV incidence, andis critically needed for monitoring changing patterns of HIV transmission." The 12 co-authors of the study include first author Robert S. Janssen, MD, ...Fauci To Present New Insights Into HIV Latency At 12th World AIDS Conference
...aredetectable in the blood, the virus probably has spread to the lymphoid organsand established a pool of latently infected cells. "Our group and others are pursuing studies to identify and treat people recentlyexposed to HIV, before the burst of virus replication, which occurs in mostpatients soon after...Destructive Algae Overtaking Mediterranean Waters
...c. Like its tropical counterparts, the algae can spread asexually, regenerating a new plant from barely visible fragments of itself. This has rendered all but useless any attempt to pull up the algae either by hand or by using the underwater equivalents of plows. In fact, the plant appears to be spre...Summer Science: Where Have All The Honeybees Gone? UD 'Bee Guy' Asks Why--From America To The Amazon
... their aggressivebehavior, killer bees have so far spread from South America to Texas and thesouthwestern United States. What would happen, Caron wondered, if killer beesmade their way as far north as Delaware? After a 12-hour airplane ride, Caron's journey began at the headwaters ofBolivia's Amazonian rive...Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
... secondevent that must occur before the cancer can spread to distant sites. While these markers are useful, they do not tell the whole story, insist theauthors, since even for those with both high angiogenesis and non-functioningnm23 about 70 percent survive. This indicates that there are other as yetunid......produce virus will die, and HAART will prevent the spread ofreleased virus. "Our group and others are pursuing further laboratory studies as well asclinical trials with HIV-infected patients to determine if such an approach isfeasible." Co-authors of Drs. Fauci and Chun include Delphine Engel, Stephanie B. ...Weevils Wipe Out Killer Weeds In Papua New Guinea
...d in the Lower Sepik River floodplain in 1984 and spread quickly, infesting many lagoons and hundreds of kilometres of river banks. By 1991, large water hyacinth infestations were severely disrupting the lifestyle of villagers from the Middle and Lower Sepik who could only reach gardens, markets and ...Groundwater Injection Process Filters Out Contaminants
...dium dithionitereacted with iron in the ground and spread out into a circle about 50 feet indiameter. The five wells have created a large barrier about 150 feet wide forgroundwater to pass through as it flows toward the river. As the groundwatercrosses the barrier, targeted contaminants are destroy......y eliminating any reservoir of virusand preventing spread of infection. "The generation of an effective CD8+ cytotoxic T-lymphocyte response is thoughtto be particularly important for control of virally-infected cells and tumors,"said Andino. The researchers' challenge in eliciting a CD8 T-cell response was......g movement ofhumans across boundaries underlie the spread of these exotics, which includemiconia in Hawaii, gypsy moths in the eastern United States, leafy spurgethroughout the western rangelands, and zebra mussels in the Great Lakes. Thisworkshop is designed to bring together scientists, managers and poli...