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Tag: "these" at biology news

Harmful Bacterium Commonly Found in Poultry May Survive Refrigeration and Frozen Storage Combined

...evelop and whether it may be possibleto regenerate these types of cells in humans one day," said TatjanaPio...os each femalefish produces," she said.By studying these mutant embryos, Piotrowski and her colleaguesdiscovered that during development the zebrafish is "se...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...seases such as leukemia or sickle cell disease. In these cases physicians eliminate the patients' own stem ...ECs form during a "mix-and-match" rearrangement of these genes into any one of countless combinations. The rings represent sections of DNA cut out of chromos...

GenMAPP 2.0 released

...evelop and whether it may be possibleto regenerate these types of cells in humans one day," said TatjanaPio...os each femalefish produces," she said.By studying these mutant embryos, Piotrowski and her colleaguesdiscovered that during development the zebrafish is "se...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...r using new technology for the first time to watch these cells develop, a team of researchers at the Stanfo...ansfer information. As the neuron matures, some of these branches form stable synapses while others recede. This trial-and-error process is what establishes ...

Gene vaccine for Alzheimer's disease shows promising results

...his study was the first stepto see if we can apply these techniques to create a safe and effectiveAlzheimer's vaccine." Said Dr. Rosenberg: "When we vaccinated the micewith the mouse form of the amyloid gene, they made lots of antibodieswithout stimulating cytotoxic T cells. When we get to human studies, w...

Scientists identify molecular events that drive cell senescence

...his study was the first stepto see if we can apply these techniques to create a safe and effectiveAlzheimer's vaccine." Said Dr. Rosenberg: "When we vaccinated the micewith the mouse form of the amyloid gene, they made lots of antibodieswithout stimulating cytotoxic T cells. When we get to human studies, w...

The Shapes Of Life: NIGMS Project Yields More Than 1,000 Protein Structures

...his large scale, it would be unthinkable to do all these steps by hand,?said John Norvell, Ph.D., director ... year, they’ve surpassed a total of 1,000. Many of these structures are very different from previously known structures, said Norvell. The findings contribu...

The BIOS Initiative - open source biotechnology is born

...lants, and GUSPlus, a new way of visualizing where these genes are and how they function. "These tools are ...harles Sturt University (CSU). "Most importantly, these new tools are provided under a new licensing paradigm that ensures that they are improved, shared an...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...g the course ofprostate cancer treatment, although these concepts will need to beverified in animal systems... according to this newstudy, exposure to BPA among these patients could potentially put themat higher risk for increased cancer cell growth.“The results we s...

Discovery Could Lead To Novel Approaches In HIV Treatment

...s from Franceand Israel. Usingonly blood samples, these researchers first developed a method toassess how well the thymus functions. The thymus is involved in thedevelopment of T-lymphocytes, an essential component of the immunesystem. T-lymphocytes also happen to be HIV's preferred targets forinfection. ...

FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media

...rnet by Globus Media, Montreal, Canada. The use of these products could result in false results that could ...odeficiency virus, or the AIDS virus) using one of these tests may not be infected with HIV, or, worse, someone infected with HIV may test negative and not s...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

... machinery of a cell." The biocavity laser It is these changes - a kind of beefing-up of the criminal for...but also those associated with stem cells, and how these optical signals change as they differentiate into nerve, muscle, and other tissues. "At present, the...

New research indicates a 'troubled' greenhouse is brewing

...of 55 million years ago." However, Retallack says these findings indicate it is unlikely that super storms will freeze North America and Europe, as depicted in the recent movie "The Day After." "During the greenhouse spike of 55 million years ago, tropical mangroves and rain forests spread as far north a...

International trial of two microbicides begins

...available to the public currently, scientists hope these agents--designed to be applied to the surface of the vagina to prevent sexually transmitted infections (STIs)--will one day be a key tool in the fight against HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority...

Breast Cancer May Be 'Uniquely Sensitive' To Inhibitors Of PI3K Pathway

...and others believe there are central nodes between these intersectingcircles that can be effectively targeted with drugs.?Only one PI3K pathway inhibitor is in use to date, but others areincreasingly being developed and tested, says Mills, who is discussingthe importance of this pathway at the annual San A...

Duke Chemists Isolating Individual Molecules Of Toxic Protein In Alzheimer's, Parkinson's Disease

...n difficult to study the chemistry of formation of these fibrils within the brains of humans and other anim...whether they interact. The Duke researchers study these interactions by retracting the tip of their AFM, which can measure changes in force at the atomic sc...

Genetic Variation Visualization - From EMBL

...and others believe there are central nodes between these intersectingcircles that can be effectively targeted with drugs.?Only one PI3K pathway inhibitor is in use to date, but others areincreasingly being developed and tested, says Mills, who is discussingthe importance of this pathway at the annual San A...

MetaChip provides quick, efficient toxicity screening of potential drugs

...available to the public currently, scientists hope these agents--designed to be applied to the surface of the vagina to prevent sexually transmitted infections (STIs)--will one day be a key tool in the fight against HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority...

New Mixing Method for Microchip-Sized Labs

...and others believe there are central nodes between these intersectingcircles that can be effectively targeted with drugs.?Only one PI3K pathway inhibitor is in use to date, but others areincreasingly being developed and tested, says Mills, who is discussingthe importance of this pathway at the annual San A...

Tiny scaffolding allows stem cells to become working fat cells

...at deposits bathed in growth medium. While useful, these "two-dimensional" patches fail to mimic all the ta...compounds at the same time," he explained. "Since these cells better resemble how cells function in living tissue, they would offer a better test than curre...

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