Tag: "infection" at biology news

Vets Defend The Use Of Antibiotics In Animal Husbandry

...ic use is normally only justified if the spread of infection cannot be contained by vaccination, changes in management, or better hygiene. Contact: Dr Quentin McKellar, Moredun Research Institute, International Research Centre, Pencuik, Midlothian...

Researchers Identify How AIDS Virus Kills Cells It Doesn't Infect

...finding ways to block CCR5," a molecule thatallows infection by the NSI, or early, strains of HIV, says Verdin. "Ourresearch shows 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 forms ofthe HIV envelope prot...

Cattle Diets Could Control E. Coli Danger

...ke" toxins that can cause kidney failure; once the infection reachesthe uremic phase, the death rate can be as high as 30 percent. As few as 10viable "E. coli "O157:H7 can cause infection. THE FECAL CONNECTION: Mature cattle are unaffected by "E. coli" O157:H7, and asmall percentage of the cattle in the Unit...

Screening In Women Army Recruits Shows High Chlamydia Infection Rates

...urnal of Medicine. Left untreated, this Chlamydia infection causes a sexuallytransmitted disease (STD) that of...centlyreported study from Hopkins on prevalence of infection in teenage girls, the newresearch suggests Chlamydia is a major threat to the reproductive health of...

Cattle Diet Implicated In Harmful Human E. Coli Infection As Reported In Science Magazine

...e diets may bear a greatdeal of responsibility for infection of humans with harmful strains of E.coli . There are approximately 30 million cases of food-borne illness each year in theUnited States. In particular, scientists have been trying to understand whyinfections by certain harmful strains of the bacteri...

Ear Infection Complications On The Rise, University of Florida Researchers Report

...for developing these infections. Deaths due to ear infection complicationswere not uncommon before the introduction of antibiotics," Antonelli said. During the course of the study, the number of complications from earinfections increased and the age of patients decreased. Patients' agesranged from 61 days to 5...

Out On A Limb: Young Burro Receives Artificial Leg At Colorado State

...und that an infection, similar to a staphylococcus infection inhumans, had reached the bone in both legs. The infection had so weakened theright rear limb that the bone cracked. Trotter, who had never amputated a burroor...

Could A 'Vaccine' Made From Our Own Cells Work Against HIV?

...rmy recruits has suggestedthat rates of chlamydial infection among young women in the US are as high as 10per c...t the immunesystem would respond only to an active infection by live bacteria. Caldwell'sexperiments show that dead Chlamydia carry molecules on their surface th...

NIAID Scientists Discover HIV Disease-Slowing Mutation

...otein are more likely to resist HIV infection or have slower HIV disease progression than individuals who produce normal CCR5 protein. This time, the researchers wanted to see if mutations in the promoter, a region...

Cubist Pharmaceuticals Describes New VITA™ Technology For Enabling Genomics For Drug Discovery

...e validation of drug targets during an established infection in amouse model system with assay development and ... vitro and the protection of mice against a lethal infection by the regulatedintracellular expression of a peptide inhibitor of an essential target. "Other targ...

University Of California-San Francisco Researchers Report Test That Detects Prion Diseases, Illuminates Novel Findings About Infectious Prions

...e immunossay, which so far has been used to detect infection inhamsters, identifies extremely low levels of prion protein--the only knowncomponent of the infectious prion--and does so within a matter of eight hours. And the researchers said they believe the design can be adapted for large-scalerobotic processi...

Experts Say That Future Inhaled Anti-Viral Drug, Zanamivir Is Effective For Treatment And Prevention Of Influenza

...By inhaling zanamivir, the druggets to the site of infection faster than taking it by mouth." New information f...t. True influenza (type A and type B) is a serious infection of the breathingpassages and is different from the common cold. It can have some seriouseffects. F...

Scientists Sequence Chlamydia Trachomatis Genome

...ics." More than 4 million new cases of chlamydial infection occur in the United Stateseach year, and associate...imated to exceed $2 billion. Control of chlamydial infection is complicated by the frequency of asymptomaticdisease, the cost and complexity of many available di...

USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs

...otheses to explain the declines include widespread infection by viruses, fungi, bacteria or parasites; increased exposure to ultraviolet radiation due to ozone thinning; the spread of non-native predators; contamination from pesticides and other chemicals; and rising temperatures. Many biologists suspect that ...

New Hypothesis Proposed For Cause Of Chronic Fatigue Syndrome

...at blames the illness both on a low-level viral infection and on the body’s own immune response to t...ents diagnosed as having CFS. But no one viral infection was present in all patients -- evidence that would be needed to prove a viral cause of the illnes...

University Of Chicago Professor Wins $50,000 Bristol-Myers Squibb Award For Distinguished Achievement In Infectious Disease Research

...rs to determine the role ofspecific genes in viral infection and replication. Dr., Roizman's work has laiddire... epidemiology"--literally, theability to trace HSV infection from person to person. Wielding this new tool,Dr. Roizman was able to show that nurses in hospital ...

Drug Therapy Shows Promise In Preventing Hepatitis Infection In Transplant Recipients Who Receive Hepatitis B Positive Livers, Says One Study

...planted and a combination drug treatment prevented infection inrecipients of those livers, a University of Pitt...dine has the potential to stave offpost-transplant infection in patients not immune to hepatitis B who receivehepatitis B positive livers. Twelve patients who r...

Ribozyme Pharmaceuticals, Inc. Demonstrates Potent Activity Of A Ribozyme Targeted Against The Hepatitis C Virus

... Virus (HCV) is the most common chronic bloodborne infection in theUnited States today. A recent Centers for Disease Control report stated thatover 4 million Americans are chronically infected with HCV, and it is estimatedthat 500 million people are infected with HCV worldwide. The disease, which ismore comm...

U.S. Healthcare Burden To Soar Unless Hepatitis C Detection, Treatment Improve

...ng health care burden from Hepatitis C virus (HCV) infection over the next decade. Gary Davis, MD, University o...based on a model that uses current data on the HCV infection rates and disease prevalence. The model projects HCV infection, disease severity and burden on the h...

Novel Viral Vaccine Protects Aids In Animal Model

...ave been based on the SIV system, which induces an infection anddisease quite differently than that caused by HIV." BioStratum's viral vaccine candidates are based on KU-SHIV-1. To makethe vaccine, scientists deleted specific disease-producing genes identifiedduring the development of KU-SHIV-1. Because of th...

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