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Tag: "destroys" at biology news

Identified main genetic variants involved in response to HIV

...the immune system so that it is able to locate and destroys cells infected by HIV. This study has also identified a third genetic variation involved in immune damage of patients, particularly in a gene encoding a protein which seemingly participates in viral replication, and is also located in chromosome 6. ...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...ug works by preventing heme crystallization, which destroys the parasite by building up toxic levels of non crystalline heme. But because of the overuse of chloroquine, isolates of P. falciparum from around the globe have developed genetic mutations that make them resistant to that drug as well as other si...

Ancient retrovirus sheds light on modern pandemic

...TRIM5a, which produces a protein that binds to and destroys the virus before it can replicate within the body. "We know that PtERV1 infected chimps, gorillas and old-world monkeys 4 million years ago but left no traces of having infected humans. Our theory is that this is because humans had this innate vira...

Technique monitors thousands of molecules simultaneously

...oduct. Putting a confining agent into the solution destroys the reagent made, keeping it from going to another electrode. This was done for the generation of acids and bases and applied to the synthesis of DNA and peptide polymers. But could this approach be used to make the more difficult to synthesize shape...

Role of noise in neurons

...-gated ion channels (channel noise). Channel noise destroys information in the AP, and they conclude that these effects are much larger than previously supposed and therefore must be taken into account in any future studies of neural coding and the reliability of synaptic transmission. ...

Stem cells act through multiple mechanisms to benefit mice with neurodegenerative disease

...nfants. The accumulation of lipids in brain tissue destroys the brain cells instrumental in controlling and coordinating body movement and results in inexorable deterioration of the brain and spinal cord. Children suffering with Sandhoff rarely see their sixth birthday. Sandhoff mice are similarly affected. T...

Antifungal drug kills TB bug

...n closely associated with the AIDS epidemic, which destroys the human immune system and has allowed TB to get a grip once again." London is the TB capital of Europe, although most large cities here and in North America have seen rapid increases in the number of TB infections. However, the problem is most a...

Destructive enzyme shows a benevolent side

...earch shows that a recently discovered enzyme that destroys the messenger RNA (mRNA) for some proteins can als... command arrives, the pin is pulled and the enzyme destroys the mRNA, quickly halting production of that protein. This new study found, however, that under s...

Instruction manual for creating a molecular nose

...ilising the latter using detergents. However, this destroys the natural folding structure of the protein membranes, which is precisely what makes the proteins so special. "We quickly realized how difficult it is to isolate such membrane proteins. Neither we, nor other research groups, were able to work with t...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

...erm infection like hepatitis C even though it also destroys MAVS," Lemon said. "This suggests that the degradation of this cell protein is not the main reason that hepatitis C becomes persistent. These results thus provide a new perspective on the chronicity of hepatitis C, which is a highly relevant virus cl...

Notorious cancer gene may work by destroying messenger

...e proper signal, however, the protein chops up and destroys the mRNA, which instantly stops production of that protein. Cells use that mechanism to control the production of proteins such as growth factors, which activate genes in response to a hormone or other signal. PMR1 also plays a key role in Co...

Scientists discover a new risk factor for Alzheimer's

...oid-beta, a toxic fragment of another protein that destroys neurons. Production of amyloid-beta is the key event in the progression of Alzheimer's disease. Amyloid-beta is made when cells improperly break down a protein called amyloid precursor protein (APP). Previous research had revealed that APP is subj...

Study uncovers a lethal secret of 1918 influenza virus

...fluenza strain - unleashes an immune response that destroys the lungs in a matter of days, leading to death. The finding is important because it provides insight into how the virus that swept the world in the closing days of World War I was so efficiently deadly, claiming many of its victims people in the ...

New bird, bat species revealed by extensive DNA barcode studies

... "Of course, the difference with cancer is that it destroys itself when it kills you off, whereas many new species stabilize," von Borstel says. "Obviously, no metaphor is the be-all of reality. But I’m hoping this symposium I am hosting will help people look at cancer in a new light." After growing up on ...

Protein found to shield pancreatic cancer cells from self-destruction

...l biological defense mechanism that systematically destroys defective cells by forcing them to kill themselves. In apoptosis, the cells die via damage to their nucleus and DNA, with other cellular organelles preserved. Autophagy kills by degrading those other organelles while sparing the nucleus. Mehta's ...

Cancer that colonizes our bodies

... "Of course, the difference with cancer is that it destroys itself when it kills you off, whereas many new species stabilize," von Borstel says. "Obviously, no metaphor is the be-all of reality. But I’m hoping this symposium I am hosting will help people look at cancer in a new light." After growing up on ...

Stem cell therapy shows promise for rescuing deteriorating vision

...neration, an age-related affliction that gradually destroys central vision, is a scourge of old age, robbing people of the ability to read, recognize faces and live independently. The finding that the brain cells protected the cells in the eye was a surprise, according to Raymond D. Lund, an author of the ...

Non-GMO solution to seafood allergies

...ctive amino acid residues. Subsequent heating then destroys the exposed residues. "Radiation and heat seems to be a promising method for reducing the immunoreactivity" say the researchers. Samuel Lehrer of Tulane University in New Orleans, USA, is already working on removing allergens from prawns using gen...

ASU researchers test antibacterial effects of healing clays

...obacterium ulcerans produces a toxin, lesions, and destroys the fatty tissues under the skin. "The toxin is immunosuppressant; the patients feel no pain and the body mounts no response to infection. It leads to disfigurement, isolation, not unlike that seen in leprosy," Haydel explains. "Traditional antibi...

Computer with brain connections changing quality of life of paralyzed

...ter interaction. ALS is a progressive disease that destroys neurons affecting movement. The study appears in the latest issue of Psychophysiology. The article reviews the usefulness of currently available brain-computer –interfaces (BCI), which use brain activity to communicate through external devices, such ...

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(Date:8/19/2014)... world, leprosy and tuberculosis live side-by-side. Worldwide there ... year, with nearly all of them occurring where ... Bacille Calmette-Guerin, or BCG, provides only partial protection ... potent vaccine is needed to combat both diseases. ... against both diseases., In a study published in ...
(Date:8/19/2014)... Scientists at the Houston Methodist Research Institute have figured ... using a pipette -- a common laboratory tool that,s ... preliminary test results in a recent issue of the ... "Studying single cells and their unique functions has become ... faculty member Lidong Qin, Ph.D., the project,s principal investigator. ...
(Date:8/19/2014)... UTSA researchers has been awarded a nearly $40,000 grant ... (NCPTT), an office of the National Park Service (NPS) ... fund a one-year study of the energy efficiency and ... in hot, humid climates. , Radiant barriers are reflective ... reflect heat back, thereby reducing the amount of heat ...
Breaking Biology News(10 mins):New vaccine shows promise as stronger weapon against both tuberculosis and leprosy 2Moving single cells around -- accurately and cheaply 2UTSA researcher awarded $38K+ to evaluate energy efficiency options for historic homes 2UTSA researcher awarded $38K+ to evaluate energy efficiency options for historic homes 3
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