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Tag: "eliminates" at biology news

'Smart' mice teach scientists about learning process, brain disorders

...eriments than traditional knockout, which entirely eliminates the gene. "Being able to turn a gene off throughout a brain is a really advanced thing to do," Dr. Bibb said. "It’s been shown that it can be done, but we put the system together and actually applied it." Normally, Cdk5 works with another enzym...

Early exposure to indoor fungus molecules may protect infants against future allergies

...d harmful microbes—they destroy them all. "This eliminates the natural competition among bacteria and fungi, so the surviving microbes are often the infectious ones that can develop resistance to drugs designed to eliminate them." Iossifova says further research is needed to determine how early microbial...

Major gene study uncovers secrets of leukemia

...rmally functioning lymphocytes. Normally, the body eliminates differentiated B lymphocytes that have failed to assemble the right genes to make effective antibodies against the specific target they are supposed to attack. However, if these defective B lymphocytes do not differentiate because of the mutations, t...

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

...t are encoded by the cDNA library. The new process eliminates the need to transfer the HLA genes into recipient cells and match the genes to each T cell type as it permits the B cells to present the peptide to the T cells in context with their own HLA class II. Herlyn and her group now plan to use the RPL8 a...

Selective marker found to indicate aggressive form of breast cancer

...ive diagnosis difficult, say researchers, but also eliminates several important lines of therapy, such as tamoxifen or Herceptin, that work well for other breast cancer subtypes. "Currently, there is no direct means of determining if a breast cancer is a basal epithelial tumor ?doctors only know for certain...

Nanoparticles can track cells deep within living organisms

...cells will be visible in the scan," he says. "That eliminates any background signal, which often interferes with medical imaging. Moreover, the lack of interference means we can measure very low amounts of the labeled cells and closely estimate their number by the brightness of the image." The researchers b...

Decoy pill saves brain cells

...ation. In addition, by cutting mGluR1?, calpain eliminates its neuroprotective function. The decoy, developed by Xu, reversed the outcomes. By tricking calpain, it prevented damage to the receptor and allowed the beneficial reaction to continue. In addition, it interrupted the feedback loop that stoked ca...

Selecting life: Scientists find new way to search for origin of life

... analyzing their experiments by the ToF-SIMS. This eliminates the need for chemical tags whose own properties could influence the results." David Deamer, professor of chemistry and biochemistry at U.C. Santa Cruz, commented that "Bob Hazen is boldly asking a fundamental question related to the origin of life...

Carnegie Mellon scientists use 'green' approach to transform plastics manufacturing

...1,000 times. The team's new technology virtually eliminates the need to remove miniscule amounts of catalyst remaining in a product. For example, many ATRP-generated plastics for medical implants would be acceptable from a health perspective because they contain so little copper. However, if the target applic...

K-Staters design and build a low-cost remote sensing tool for environmental studies

...reliable and easy to use," he said. "Battery power eliminates emissions and messy fuels that could compromise the data collection systems and greatly reduces vibration." According to Schinstock, the remote sensing tool will meet a need shared by thousands of environmental scientists worldwide. For just a few t...

Major initiative proposed to address amphibian crisis

...d other animals. The demise of entire species also eliminates their possible use in biomedicine and biotechnology. One of the leading problems is a fungus that causes an infectious disease called chytridiomycosis, the researchers said in their Science report. In places where it is introduced and has not prev...

Even when faint, ovary scent draws sperm cells

... chemotaxis of all types of cells. The method also eliminates the phenomenon of "trapping," which causes study results to become ambiguous. "The ability to differentiate chemotaxis from trapping helps to determine whether sperm were attracted to the test substance or the swim velocity was reduced close to the...

New pathways for autoimmune treatment identified

...ative selection and maturation. Positive selection eliminates cells that are dysfunctional. Negative selection is eliminating T-cells that recognize the body's own proteins, Dr. She says. Other researchers recently confirmed that the Aire gene is involved in negative selection by controlling some protein expre...

A step forward in the fight against bacterial infections

... of reactions that bring on an inflammation, which eliminates the bacteria from our body. Of course, this chain of reactions is strictly controlled, because excessive inflammation can lead to lethal shock. Mice that are able to cope with acute inflammations Tina Mahieu and her colleagues from the research ...

Study: Paramedics save more lives when they don't follow the rules

...April print issue. "Cardiocerebral Resuscitation eliminates certain previously recommended procedures and reprioritizes the order of actions the emergency medical services deliver," said Michael J. Kellum, MD, leading author of the study report. Under the new approach, first responders skipped the first step...

Plant-derived vaccines safeguard against deadly plague

...o weeks to create the vaccine." The approach also eliminates the typical year-long lag time necessary to establish and characterize genetically modified, or transgenic plants. The beauty of system is its potential versatility that can be adapted to fight against other pathogens as well. The research team's...

Losing sleep undoes the rejuvenating effects new learning has on the brain

...the hippocampus. However, not getting enough sleep eliminates the potential benefit of new learning on the hippocampus by suppressing neurogenesis. "Mild, chronic sleep restriction may have long-term deleterious effects on neural functioning," according to the paper. On the other hand, that sleep-deprived rats...

St. Jude projects 90 percent cure rate for ALL

... in how quickly the body activates, breaks down or eliminates specific cancer drugs. "Many genetic factors likely interact to influence the response of the patient to treatment," Evans said. "That's why the breakthroughs in pharmacogenomics made at St. Jude and elsewhere are so important. They let clinicians i...

Largest study of human 'interactome' reveals a novel way

...oteins is an important conceptual breakthrough. It eliminates a blind alley that could mislead researchers investigating the roles of specific proteins in the cell." Pandey is the chief scientific advisor to the IOB and senior author of the Nature Genetics article. The team's conceptual advance was made by co...

Breakthrough for stem cell research

...t the use of any animal products. The breakthrough eliminates the risk of animal-to-human contamination in potential stem cell therapy treatments. "This is the first hESC line produced in Australia and only the second one in the world, which does not use animals in any way. Our line grows on human fetal fi...

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Breaking Biology News(10 mins):Second-hand e-cig smoke compared to regular cigarette smoke 2UMN researchers find animal model for understudied type of muscular dystrophy 2Small molecule acts as on-off switch for nature's antibiotic factory 2Small molecule acts as on-off switch for nature's antibiotic factory 3
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