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Tag: "pna" at biology news

Carnegie Mellon scientists create PNA molecule with potential to build nanodevices

No matter how healthy a life one leads, no person has managed to live much longer than a century. Even though the advances of the modern age may have extended the average human life span, it is clear there are genetic limits to longevity. One prominent theory of aging lays the blame on the accumulation of damage done to DNA and proteins by “free radicals,?highly reactive molecules produced by the...

Data published in PNAS show antibodies can be made 10 times more toxic to cancer cells

Engineering the "Fc" region of monoclonal antibodies (mAbs) increases their toxicity to cancer cells, potentially improving the utility of targeted cancer therapies, according to research conducted at Xencor, which will be published in the March 14 print issue of the Proceedings of the National Academy of Sciences (PNAS). . Monoclonal antibodies have important advantages over chemotherapy and sm...

PNAS study reveals why organs fail following massive trauma

Massive trauma, say from a sabertooth tiger attack, meant immediate death for the primitive human. Modern man is more likely to survive severe injury caused by a car crash, gunshot or fall thanks to high-tech emergency medicine. Unfortunately, the body does not know what to do when it survives an injury that would have been fatal until recently in human evolution. Nearly one third of the time, m...
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(Date:4/22/2014)... Coral Gables, Fla. (April 21, 2014) -- There are ... out their feathers and spread their colorful tails; satin ... them with blue and shiny objects; and European bitterling ... Each species has evolved a unique method to communicate ... "Signaling can have profound fitness ...
(Date:4/22/2014)... FL, April 22, 2014 Scientists from the Florida ... a protein complex that plays a critical but previously ... The study, which showed a novel role for a ... in the journal eLife , a publisher supported ... Society and the Wellcome Trust. , "This is a ...
(Date:4/22/2014)... Ltd.,s nanotechnology expert will present a poster ... the 7th International Nanotoxicology Congress to be ... Dr. Monita Sharma will outline a strategy consistent with ... Sciences, " Toxicity Testing in the 21st Century: A ... non-animal methods involving human cells and cell lines for ...
Breaking Biology News(10 mins):Best practices in communication for the animal world 2Best practices in communication for the animal world 3Scientists identify critical new protein complex involved in learning and memory 2
(Date:4/23/2014)... LAFAYETTE, Ind. - Purdue University researchers have developed a ... living cell by using tiny gold particles with tails ... professor of agricultural and biological engineering, used gold nanoparticles ... known as BRCA1 messenger RNA splice variants, which can ... number of these mRNA splice variants in a cell ...
(Date:4/23/2014)... internal surface area of the gastro-intestinal tract has long ... meters. Scientists at the Sahlgrenska Academy have used refined ... "Actually, the inner surface of the gastro-intestinal tract is ... scientist Lars Fndriks. , The digestive tract, which passes ... the intestines, has a length of about 5 meters ...
(Date:4/23/2014)... and accessible detection methods that can rapidly screen ... a single cell inside that population has been ... Lu. , In the Royal Society of Chemistry ... that he and his coworkers have developed a ... a protein ( Chem. Sci. , 2014, DOI: ...
(Date:4/23/2014)... often displayed in the popular Swedish children,s TV ... high-sugar foods. A new study from the University ... children,s TV programmes as well as the link ... weight status. , Steingerdur Olafsdottir,s doctoral thesis focuses ... Swedish children,s TV show Bolibompa. Healthy foods dominated ...
(Date:4/23/2014)... by a researcher from the Cancer Science Institute of ... has identified the cancer specific stem cell which causes ... developing new drugs for the treatment of this disease ... led by Dr Chan Shing Leng, Research Assistant Professor ... a cancer-specific variant of a cell surface protein, CD44v8-10, ...
Breaking Medicine News(10 mins):Health News:Gold nanoparticles help target, quantify breast cancer segments in a living cell 2Health News:The surface area of the digestive tract 'only' as large as a studio apartment 2Health News:Following a protein's travel inside cells is key to improving patient monitoring, drug development 2Health News:High-calorie and low-nutrient foods in kids' TV 2Health News:Scientists identify cancer specific cell for potential treatment of gastric cancer 2Health News:Scientists identify cancer specific cell for potential treatment of gastric cancer 3
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