Tag: "infection" at biology news
Endangered frogs coexist with fungus once thought fatal
...ring the same period showed that the prevalence of infection
did not vary from year to year, suggesting that the infection
is now endemic. McCallum and colleagues also found no evidence that survival differed between infect...
Fungus knocks a frog down but not out, raising questions about amphibian declines
... that frog populations can persist with an endemic infection
of the chytrid fungus," said Retallick. "The presu...." The researchers found a steady rate of infection
from year to year, but a higher rate of infection
in samples taken during the cooler seasons, leadin...
Research team develops nonhuman primate model of smallpox infection
...emonstrated that it was possible to achieve lethal infection
of primates using variola virus, the team next tri...g of the disease process that occurs with smallpox infection
will aid in the development of diagnostic and therapeutic approaches. "Aside from the technical acco...
New biomaterials improve medical devices
...lter biomaterial surfaces, and biofilms that cause infection
of implants. Some of the new approaches to these challenges employ nanotechnology methods for both diagnostic and imaging systems. Another strong theme will be the use of computer modeling to predict the interactions between cells and materials, th...
September/October 2004 Annals of Family Medicine tip sheet
...t), bronchitis (7 percent), central nervous system infection
(6 percent), and gastroenteritis (4 percent) accounting for 86 percent of all diagnoses. The authors point out that many of these disorders are relatively common in primary care practices. Consequently, surveillance systems for early detection of bio...
New study on smallpox in monkeys reveals tactics of a killer
...s did molecular-level analysis of how the smallpox infection
altered gene expression patterns in the monkeys' blood cells. Dr. Relman used DNA microarrays, a tool unavailable in 1977 when naturally occurring smallpox was eradicated after a global vaccination campaign. Microarray analysis research reveals how s...
Experimental drug prevents vaginal simian HIV transmission in monkeys Science study says
...nas to prevent SHIV from continuing its multi-step infection
process. It is not clear what PSC-RANTES concent...rogress that far. The concentration that prevented infection
in all five monkeys is far greater than the concentrations sufficient to block infection
in cells gr...
Study identifies target for preventing sexual transmission of HIV
... development of a topical agent that could prevent infection
with HIV in humans."...
The long road to a promising malaria vaccine started at NYU School of Medicine
...ed in 1967 that it was possible to prevent malaria infection
by immunizing mice with irradiated parasites. At the time, scientists didn't think it was possible to prevent malaria by eliciting an immune-based response. In the early 1980s, the Nussenzweigs showed that the CS protein could generate a...
Hepatitis C virus linked to non-Hodgkin's lymphoma
...o Europe and Japan, incidence of hepatitis C viral infection
is fairly low in North America, and previous studi... infected with the virus. The most common means of infection
in the past was blood transfusion, and in recent years is among drug users who share needles. Appr...
Biomedical engineers at case develop first sliver-sized sensor to monitor glucose levels
...heal very quickly above it and after that no track infection
can occur. The associate professor of biomedical engineering and researcher at the Case School of Engineering has developed for the first time a "sliver-sensor" a fully functional, minimally invasive, microscopic new monitor that can be placed jus...
Genetically modified parasite lets researchers probe immune system's memory
...ave known that successful recovery from Leishmania infection
immunizes humans and animals against subsequent in...er class of T cells may stay primed to fight a new infection
when a small remnant population of parasites persists. Beverley speculates that the presence of this...
NIH funds new bioinformatics resources at UT Southwestern
...oth the bacterium and host cell. In order for the infection
to persist, the pathogen must overtake the cell, shutting down various signals or setting up decoys in order to survive undetected. Current microorganism databases focus on gene-sequence information, said Dr. Scheuermann. Through the BioHealthBase, ...
Bug's-eye-view of urinary tract reveals E.coli infection genes
...001, we didn't know which genes were active during infection
of an animal host or what proteins were present during the infection
stage," says Harry L.T. Mobley, Ph.D., a professor and chair of microbiology and immunology at the U...
Insects implicated in the evolution of new human infectious diseases
...dies of insects killed by Photorhabdus luminescens infection
are left luminous. Genome studies have found clos...ere." In the case of Photorhabdus luminescens, the infection
is naturally resistant to several antibiotics but the relapsing infection
can be combated using repe...
Predicting infection risk of mosquito-borne disease
...standing how the risk of catching a mosquito-borne infection
varies depending on the environment is an importan...that the standard metric of estimating the risk of infection
-- the average number of times an infectious mosquito bites a person per day -- is flawed. The dist...
A clear view of mycobacterial infection
Fighting an infection
might seem to be a battle between David and Goliat...ance between the macrophages' ability to clear the infection
and their unwitting participation in the development of TB....
Fly gut's 'sticky spot' for leishmaniasis parasite
...g article, leishmaniasis is a common opportunistic infection
in people with AIDS and has also been a recent concern for foreign soldiers serving in Iraq....
Reed biology professor receives $227,500 for E. coli research
...cy in 2003 to develop a small animal model of EPEC infection
using the nematode Caenorhabditis elegans, a seed grant from the Medical Research Foundation of Oregon, and a grant of $143,667, also from the NIH in 2001. The resources provided by these grants have allowed students to do top notch research at a sma...
VYTORIN (TM) superior again to Lipitor at lowering LDL (bad) cholesterol
...ed headache (6.8 percent), upper respiratory tract infection
(3.9 percent), myalgia (3.5 percent), influenza (2.6 percent) and extremity pain (2.3 percent). ...
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