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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:9/2/2014)... essentially the same DNA sequence their genetic information. ... cells in the different parts of the body are ... construction master plan, an additional regulatory layer exists that ... active. This mechanism involves modifications of genome-bound histone proteins ... methylation). It acts on top of the genetic information ...
(Date:9/2/2014)... ideal source of nutrition for infants and it ... evolution and civilizations of human beings. Unlike our ... of bacterial species, including some opportunistic pathogens of ... scientists and physicians. , Indeed, the existence of ... of co-evolutionary and co-adaptive interactions between the microbiome ...
(Date:9/2/2014)... also known as perching birds, that migrate by night ... in autumn to reach their destinations. This seasonal difference ... only make short migratory flights, says researcher Cecilia Nilsson ... Behavioral Ecology and Sociobiology . , Nilsson, in ... tracking radar to measure over three years the speed ...
Breaking Biology News(10 mins):Throwing a loop to silence gene expression 2Are human breast milk microbiome 'neutral'? 2Are human breast milk microbiome 'neutral'? 3Migrating birds sprint in spring, but take things easy in autumn 2
(Date:9/2/2014)... 02, 2014 Becker's Healthcare is ... Educational Program on October 23-25, 2014 at the ... Meeting - The Business and Operations of ASCs ... high-quality continuing education, networking events, and an exhibit ... , Outstanding educational offerings throughout the three-day event, ...
(Date:9/2/2014)... Today, Therapy Changes released ... Me?” The guide outlines common questions an individual may ... to common types of groups an individual can attend. ... the interventions of the therapist, but also from observing ... members,” says Rochelle Perper, Ph.D. and founder of Therapy ...
(Date:9/2/2014)... Washington, DC (PRWEB) September 02, 2014 TCG, ... named by Inc. 5000 as one of the fastest-growing companies ... the eighth time total. TCG was previously recognized in 2013, ... 2001. , TCG’s revenue has grown 86% from 2010 to ... of the fastest growing businesses in America - up 635 ...
(Date:9/2/2014)... Columbia, SC (PRWEB) September 02, 2014 The ... an outreach fair and public town hall meeting for Veterans ... be available at the outreach fair to provide Veterans with ... B. McMurry. “The town hall will provide a forum where ... our VA programs.” , The outreach fair will be held ...
(Date:9/2/2014)... in California, the percentage undergoing a double mastectomy increased ... not associated with a lower risk of death than ... the September 3 issue of JAMA . The ... one breast was associated with a higher risk of ... , Randomized trials have demonstrated similar survival for patients ...
Breaking Medicine News(10 mins):Health News:Becker's Healthcare Announces Ambulatory Surgery Center Educational Program 2Health News:Becker's Healthcare Announces Ambulatory Surgery Center Educational Program 3Health News:TCG One of the Fastest-Growing Companies in America – for the Eighth Time! 2Health News:Increase seen in use of double mastectomy 2Health News:Increase seen in use of double mastectomy 3
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