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Tag: "researcher" at biology news

Researchers discover inherited mutation for leukemia

...ar virology, immunology and medical genetics and a researcher with the Ohio State human cancer genetics program. "It does not shut down the gene, but just lowers its expression somewhat. "Recently, many cancer geneticists have come to believe that such subtle changes are common causes of cancer, and this is...

Old memory traces in brain may trigger chronic pain

...’t worked very well. A Northwestern University researcher has found a key source of chronic pain appears to be an old memory trace that essentially gets stuck in the prefrontal cortex, the site of emotion and learning. The brain seems to remember the injury as if it were fresh and can’t forget it. ...

Modeling the restless brain

...th their mysterious origin prompting one prominent researcher to label them the "brain's dark energy," Sporns said. As yet, no one knows why these fluctuations occur or what their function might be. Sporns and Honey suggest that a closer look at brain structure might provide a new perspective. Despite t...

Simulations unravel outer membrane transport mechanism

...f the molecules provided by University of Virginia researcher Michael C. Wiener. “The good thing about simulations is that you can monitor the position of every atom,” Tajkhorshid said. The task was enormous, however. “The fundamental motions of atoms that guide large conformational changes happen on a...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

... a universally accepted solution. However, a young researcher at the Hebrew University of Jerusalem feels he has come up with a practical weight loss solution for the obese person without his having to feel hungry. For this development, Yaniv Linde, a 32-year-old Ph.D. student of Prof. Chaim Gilon in the De...

Pesticides choke pathway for nature to produce nitrogen for crops

...udy's lead author, Jennifer E. Fox, a postdoctoral researcher in the Center for Ecology and Evolutionary Biology at the University of Oregon. "In essence, the agrichemicals are cutting the lines of communication between the host plant and symbiotic bacteria. This is the mechanism by which these chemicals reduce...

Alzheimer's disease to quadruple worldwide by 2050

...e worldwide prevalence of Alzheimer’s disease, the researcher created a multi-state mathematical computer model using United Nations population projections and other data on the incidence and mortality of Alzheimer’s. ...

Stroke study sheds light on left-right brain divide

...-psychologist at the University of Exeter and lead researcher on this study, said: ‘We know that suffering a stroke in the left frontal region can affect aspects of speech and language, but this research highlights, for the first time, the additional challenges that people with right frontal-lobe damage might f...

Now, self-healing materials can mimic human skin, healing again and again

... be healed repeatedly,” said Sottos, who also is a researcher at the university’s Beckman Institute. In the re...a Willett Professor of aerospace engineering and a researcher at the Beckman Institute. “In our new circulation-based approach, there is a continuous supply of he...

Migration alert -- How tumor cells home in on the lymphatic system

...ell, EPFL Professor Melody Swartz and postdoctoral researcher Jacqueline Shields provide an explanation along with data to support it. Tumors produce excess fluid that continually percolates from the tumor towards nearby lymphatic vessels. The EPFL research shows how tumor cells use a clever chemical strateg...

Researchers examine carbon capture and storage to combat global warming

...te professor of energy resources engineering and a researcher on a GCEP project on carbon sequestration in coal....l, said Mark Zoback, professor of geophysics and a researcher on the project on storage in coal. The project, which is funded by GCEP and GEOSEQ-a partnership ...

Undergraduate research shows leaderless honeybee organizing

...d work and an impressive achievement for a student researcher – he got a publication as an undergraduate,” Schne...bright.” Pierce, age 22, has been working as a researcher in Schneider’s lab for the past two years through a UNC Charlotte Honors College program that foster...

Newly discovered antibody may be body's natural defense against Alzheimer's

...l quantities in blood from normal humans. Lead researcher Dr. Norman Relkin, a behavioral neurologist and neuroscientist at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, will present the findings on Monday, June 11, at 3:30 pm, at the "2nd Alzheimer's Association International Conference on Pr...

Physicist cracks women's random but always lucky choice of X chromosome

...rought close together within the cell. The Warwick researcher paper says that what happens next is that material for a "protein plug" then begins to gather around both of the XIST suicide genes on each X Chromosome. This starts a race between the two build ups of protein. Inevitably one of these two nascent pro...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...happen. In a new physiological study of birds, a researcher at Arizona State University has found that carotenoids, the pigments that color carrots orange and corn yellow, have even deeper health benefits than originally thought. They appear to fight off the negative impacts that testosterone can have on an a...

Australian wins prestigious prize in biodiversity informatics

...matics. The yearly award of €30,000 recognizes a researcher who is combining biosystematics and biodiversity informatics research in an exciting and novel way. Speaking about the Prize when he was notified, Flemons said "I am honoured by the award. GBIF is making a significant contribution to biodiversity in...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...technology for gene therapy, said Rashid Bashir, a researcher at Purdue's Birck Nanotechnology Center. The researchers attached nanoparticles to the outside of bacteria and linked DNA to the nanoparticles. Then the nanoparticle-laden bacteria transported the DNA to the nuclei of cells, causing the cells to p...

454 sequencing identifies HIV drug resistance at early stage

... of the Roche group, and a Yale School of Medicine researcher today announced that they have used the company’s Genome Sequencer™ system to identify previously undetectable rare drug resistant HIV variants in samples from an earlier performed clinical trial. The work, presented today by Michael Kozal, M.D. of ...

Research finds that circadian rhythms dominate all life functions

...late health and disease. Colorado State University researcher Andrey Ptitsyn's new analysis of data collected th...ser to understanding why exactly," said Ptitsyn, a researcher in the Bioinformatics Center at the College of Veterinary Medicine and Biomedical Sciences. The cent...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

... Christophides. Professor Fotis Kafatos, senior researcher of Imperial’s immunogenomics lab and co-author of the paper, explains the significance of their study, saying: “Understanding the genetics behind pathogen/immune system interactions in disease vector mosquitoes may help us understand why, for example...

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