Researchers Identify How AIDS Virus Kills Cells It Doesn't Infect
...ossibility that blocking HIVbinding to CXCR4 could stop at least some patients from developing advancedAID...s that it may be just as important to find ways to stop virusesthat bind to CXCR4." The research also suggests that patients receiving vaccines that use for...Cattle Diet Implicated In Harmful Human E. Coli Infection As Reported In Science Magazine
... than hay, it's unlikely that livestockowners will stop feeding it to their cattle. However, feeding hay to cows evenfor a short period of time seems to reduce the quantity and virulence of the E. coli in their feces. So "cattle could be given hay for a brief periodof time immediately before slaughter to...Ear Infection Complications On The Rise, University of Florida Researchers Report
...he problem of resistance. "Once those antibiotics stop working, we may be in trouble," he said. (For more information contact Corey Stevens, Health Science Center Officeof Public Information 352/392-4097 or e-mail: csteven@vpha.health.ufl.edu )...Researchers Link Gene Defects To The Course Of A Deadly Form Of Heart Disease
...." Long QT syndrome is a genetic disorder that can stop its victims'hearts when they become excited. A telephone ring in the middleof the night or an exciting game of bowling can be fatal. Livingwith this disease means thinking twice about jumping into aswimming pool, working out, or playing sports withou...NASA Using Space Incubator To Understand Breast Cancer
...rmonal therapies that more closely match what will stop growth of cancer cells with minimal side effects for the patient. To begin this research, Richmond established a cell repository from noncancerous breast tissue donated by a young woman carrying a single defective ATM gene. The debilitating syndro...Goats And Spiders Are Working Together To Create A Novel Material
...ric that is both biodegradable and strongenough to stop bullets. Called biosteel, it could become a green alternative tothe high- strength plastics used to package shampoos or make commercial fishingnets. Jeff Turner, president of Nexia Biotechnologies, says the biodegradablefabric would need to ......ese proteins specifically bind to ice crystals and stop themgrowing." The stress response team showed that extracts from carrots which hadbeen growing under cold conditions could prevent ice crystal growth. They wenton to purify the protein which kept the ice crystals small and identify the genewhich en...ASU Professor Helps In Fight To Protect Japanese Pika Habitat
...at countrys largest ecologicallawsuit. He wants to stop construction on the tunnel that he says will shredthe pristine landscape and destroy a diverse ecosystem. In doing so, thegrassroots movement hopes to establish stricter laws in protectingwilderness areas and specify the pika as a natural monument. A...Rapid Population Growth Is Still A Problem
...hile the age at childbearing is rising. Once women stop deferring births, thedistortion disappears and the very low fertility rates observed in the developedworld should rise closer to the 2 children most couples want." For example, in France the annual total fertility rate has been reported to bewell bel...North America Absorbing Carbon Dioxide At Surprisingly High Rate, Team Reports
...tis thus inevitable that this sink will eventually stop absorbing carbon dioxideat these levels. They also stressed that the findings are subject to confirmation. "Oursampling density and frequency were inadequate for estimating the ecosystemuptake of carbon dioxide over other areas of the world,"...Scientists Sequence Chlamydia Trachomatis Genome
...we need better prevention tools if we are going to stop thespread of this silent plague," says Penelope J. Hitchcock, D.V.M., chief ofNIAID's STD branch. "Of particular interest is a better understanding of theearly steps in the infectious process - this knowledge will lead to vaccines toprevent PID and ...A Protein Switch May Turn On Heart Cells To Combat Heart Disease
...eart muscle cells, called myocytes, arebelieved to stop multiplying shortly after birth and do not regenerate, even ifthey are damaged, say the researchers. Because heart muscle cells can notgenerate new cells, they enlarge to accommodate growth of the heart and to takeover the functioning of cells damag...Vulnerability To Compulsive Gambling Is Partly Inherited
...ed,and the other was repeated efforts to reduce or stop gambling. For those twosymptoms, we found that about half of the gambling behavior was geneticallymediated." For three other behaviors - attempts to win back losses at the same place,frequent preoccupation with gambling and increased betting to main...New Monitoring Technique Checks Thyroid Cancer Without Misery
...e,"we hope assays like this will avoid the need to stop taking thyroid hormone andmake monitoring faster, easier and more sensitive." A similar assay using PCR to monitor prostate cancer treatment is beingtested elsewhere. Other researchers on the project were Matthew D. Ringel, M.D., ...... mightbe able to stabilize microtubules to slow or stop disease progression. Taxol,better known as an anti-cancer agent, works by stabilizing microtubules tointerfere with the rapid cell division seen in cancer. The same action mightpreserve microtubules in neurodegenerative diseases in which tau patholog...Could A Nasal Vaccine Finally Get Rid Of The Black Death?
...ulated the proteins in polylactic acid polymers to stop them being brokendown by enzymes in the body before reaching their target. The researchers say mice whose noses and throats were treated with thevaccine were fully protected from inhaled Y. pestis (Vaccine, vol 16, p 2000).Tests showed that t...Binding Proteins Shown To Play Key Role In Early Brain Development
...it fails to interpret the cues thattell it when to stop or turn in a certain direction.It grows without direction. "A lot of scientists have identified specific guidance cues of cells, which actmuch like traffic signals," he said. "Wepropose that integrin is one of the most, if not the most, key molecules...Pet Therapy Programs Help Patients In Rehab, Physical Therapy And More
...dible," says Feder "We have patients and relatives stop us in the halls andon the elevator; they all love Janie. She brings smiles to a lot of people." It's not always easy though, says Feder. "Sometimes it's tough -- we might knowwe're visiting someone who won't be there when we next visit. Janie usually...New Discovery Offers Hope For Controlling Cholesterol, Atherosclerosis
...stitute ofTechnology inZurich compares it to a bus stop on the road leading through thegastrointestinal system. He says that cholesterol and fat molecules ride on bile salt "buses" and "whenone comesto (the transport) protein, it's like the bus driving to the bus stop. Whilethey stop, thepassengers get o...