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Tag: "way" at biology news

In-shell vaccine for chick disease

...y industry but scientists are now developing a new way to vaccinate chicks against the disease ?one that can be delivered while they are still in their egg. A pre-hatching prototype vaccine virus which provides immunity to IBV has been developed by scientists at the Institute for Animal Health (IAH) an...

Liver regeneration may be simpler than previously thought

The way the liver renews itself may be simpler than what s...erating livers that could significantly affect the way physicians make livers regrow in patients with liver diseases such as cirrhosis, hepatitis, or cance...

Progress toward artificial photosynthesis?

...ike photosynthesis, the reaction seems to occur by way of carbamates: In the first step, CO2 binds to individual free amino groups present in the carbon nitride. It then oxidizes the benzene to phenol, and in the end the highly desirable CO separates from the catalyst. "This could make novel, previously ...

Technology reveals 'lock and key' proteins behind diseases

...such as cystic fibrosis and could one day pave the way for pharmaceutical applications. A study appeari...s Ycf1p transporter function in a completely novel way to stimulate its ability to remove toxins from the cell. "The more we learn about membrane prote...

New mechanism for nutrient uptake discovered

... Department of Plant Biology have discovered a new way that plant cells govern nutrient regulation—neighboring pore-like structures at the cell's surface physically interact to control the uptake of a vital nutrient, nitrogen. It is the first time scientists have found that the interaction of neighboring...

Microbes start immune response by sneaking inside cells

...e in laboratory animal studies ?offers a different way of thinking about how best to design future human vaccines, as well as drugs that could more precisely target the body’s inflammatory response in rheumatoid arthritis and some other autoimmune diseases. “In our study, the presence of bacterial mic...

New study sheds light on 'dark states' in DNA

...e dark matter in the universe ?there was no direct way of probing it. The Ohio State chemists used a technique called transient absorption, which is based on the idea that molecules absorb light at specific wavelengths, and allows them to study events happening in less than a picosecond. They found tha...

Why doesn't the immune system attack the small intestine?

... lymph nodes throughout the body, they may offer a way of suppressing a variety of autoimmune diseases," ...isplay the antigens of their normal neighbors in a way that puts the immune system "at ease." By reading those antigens without being on alert, the immune...

Novel antigen-cloning technique may boost efforts to develop a melanoma vaccine

...at The Wistar Institute have now developed a novel way to clone an antigen recognized by a helper T cell. Already, Herlyn's group has used the new cloning technique to identify a new tumor antigen called ribosomal protein L8, or RPL8. Findings on the new cloning method and the newly identified tumor anti...

Infection detectives use disease 'fingerprints' to track common infections in children

... researchers are already thinking about a possible way they could send in the results from the chip and g...ediatricians understand that this could change the way we do things," said Dr. Ramilo, who leads pediatric infectious disease research at UT Southwestern a...

Scientists use nanoparticle to discover disease-causing proteins

... rattlesnake. The scientists want to find a better way to ascertain the presence, concentration and function of proteins involved in disease processes. They also hope the new method will facilitate better, more efficient diagnosis in living cells and patients. Most diagnostic methods must be done on m...

Scientists find method to pick noncompetitive animals, improve production

...ies that cohabitate. Natural selection is nature's way of keeping the ecosystem in balance." Muir previously proved that animals living in groups and bred to be more passive sustain fewer injuries and are more productive than animals bred naturally. For instance, chickens bred to be less aggressive do...

Putting an old drug to a new use

...and its side-effects." An important step on the way from laboratory to clinic will be targeted pharmacological modifications of the compound to separate nifedipine's effect on iron metabolism from its established action on blood pressure. "Our discovery is an excellent example of how the combinati...

Scientists discover stage at which an embryonic cell is fated to become a stem cell

...ch DNA is packaged and which when modified in this way affects gene expression. They found that the higher the levels of this modified form of histone H3, the more predisposed the mammalian embryonic cells were to develop the qualities of inner embryonic cells, a population that have stem-cell-like prop...

New findings blow a decade of assumptions out of the water

... continent. Winds can't carry such dust all the way across the Pacific Ocean because it is so vast. Iron may still be a limiting factor in nitrogen fixation, but if it is, then the Pacific and Indian oceans are getting iron from some source other than atmospheric dust, Deutsch says. The new researc...

Stability of mRNA/DNA and DNA/DNA duplexes modulates mRNA transcription

...e journal PLoS ONE. "These findings challenge the way we look at DNA," says Stoynov. "Until now we have pretty much simplified our view of DNA helix as a Lego combination of four different pieces, which encodes genetic information and contain patterns, recognized by DNA binding proteins. However, nuclei...

Cartilage discovery offers arthritis hope

...imetre-long collagen fibres that work in a similar way to the load-bearing steel rods in reinforced concrete. But the precise structure of these fibres or 'fibrils' has remained a mystery for more than 40 years, so hindering any progress towards the development of potential therapies. Now, a team fro...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...es to treat the infection and potentially create a way to prevent infection altogether," says NIAID Director Anthony S. Fauci, M.D. Trichomoniasis is a sexually transmitted infection that affects both men and women and results in roughly 7.4 million new cases in the United States each year, according ...

Scientists find potential 'off-switch' for HIV virus

...f current. "The resistor paradigm is a helpful way to think about how HIV enters and exits latency, and it might serve as a useful model for latent infections by other viruses, as well," said Shenk, Princeton's James A. Elkins Jr. Professor in the Life Sciences in the Department of Molecular Biology....

New molecular pathway could reveal how cells stick together

...rchestration of an integrated immune response. One way they do this is by physically attaching to one another and to surfaces. Andrea Page-McCaw, assistant professor of biology at Rensselaer and principal investigator for the project, has focused on matrix metalloproteinases (MMPs) -- proteins that play ...

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