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Tag: "and" at biology news

Emory Study Tests Bone Marrow Stem Cells to Improve Circulation in Legs

... are not able to repair their own vessels,however, and physicians don't completely understand the reasons...sthe type of cell needed to make new blood vessels and to repair damagedones.Patients in the clinical trial will be given an injection of either agrowth fa...

Fox Chase Cancer Center scientists identify immune-system mutation

...cytes, called helper T cells. The report by Kappes and his colleagues appears in the Feb. 24 issue of Nat...d, are essential for combating intracellular viral and bacterial infections (cell-mediated immunity) and also for helping other white blood cells (B cells,...

Controversial drug shown to act on brain protein to cut alcohol use

...n is nowadays readily available. However, asimilar and equally dangerous addiction, alcoholism, can't yet... been championed for years by acadre of clinicians and drug treatment advocates impressed with itsability to reverse withdrawal symptoms and craving for al...

Neuronal 'traffic jam' marks early Alzheimer's disease

... "traffic jam" within neurons that causes swelling and prevents proper transport of proteins and structures in the cells, according to new studies by Howard Hughes Medical Institute researchers. I...

Termites feed through good vibrations

...s to new methods of reducing infestations in homes and also may provide insights into the "cocktail party...ly to avoid competition. With Professor Joseph Lai and his students from the University of New South Wales at the Australian Defence Force Academy, Dr Evan...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

... of California,San Diego (UCSD) School of Medicine and the Salk Institute in La Jolla,California.In a stu... tissuecells (so-called "feeder layers") from mice and fetal calf serum."The human embryonic stem cells remained contaminated by Neu5Gc evenwhen grown in s...

UCLA Study Shows One-Third of Drug Ads in Medical Journals Do Not Contain References Supporting Medical Claims

...ed pharmaceutical ads in American medical journals and found that nearly one-third contained no reference...data-on-file documents were provided upon request; and the majority of original research cited in the ads was funded by or had authors affiliated with the ...

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

...attling other disorders such as Alzheimer’sdisease and schizophrenia.Developed by UC Irvine Transdiscipli...the brain responsible fordecision-making, learning and memory. Lead researcher JogeshwarMukherjee, UCI associate professor of psychiatry and human behavior...

Elusive HIV shape change revealed; Key clue to how virus infects cells

...tructural biologists at Children's Hospital Boston and Harvard Medical School have shown how a key part o...g other changes that allow the AIDS virus to enter and infect cells. Their findings, published in the Feb. 24 issue of the journal Nature, offer clues that...

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...tructural damage that seemed to be wellestablished and stable, but clearing out the plaques often led to ...enior author DavidH. Holtzman, M.D., the Charlotte and Paul Hagemann Professor and headof the Department of Neurology. "This provides confirmation of thepo...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...same time, scientists also cataloged the retention and expansion of some gene families characteristic of ...nusual shared biology between the parasitic amoeba and anaerobic gut bacteria. The E. histolytica genome sequence is expected to help in the development o...

Key molecule in plant photo-protection identified

...tructural damage that seemed to be wellestablished and stable, but clearing out the plaques often led to ...enior author DavidH. Holtzman, M.D., the Charlotte and Paul Hagemann Professor and headof the Department of Neurology. "This provides confirmation of thepo...

Antarctic ice shelf retreats happened before

... scientists from Universities of Durham, Edinburgh and British Antarctic Survey (BAS). A study of George...he ice shelf didn't reform until 1500 years later, and has been present ever since. The findings are particularly relevant for other studies on the West A...

Anti-bacterial additive widespread in U.S. waterways

Many rivers and streams in the United Statesare believed to contai...oroughly scrutinized despite large scaleproduction and usage for almost half a century, according to ananalysis conducted by researchers at the Johns Hopki...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...ubbed pangenes ?can both govern a stem cell's fate and put a hold on future differentiation until the tim...ryonic development of melanocytes ?cells that make and store the pigments in the skin and hair ?is also expressed in adult stem cells in the skin. "Our fi...

Timing is everything: First step in protein building revealed

... gene'sinstructions, it first alters its structure and then releases a factorknown as eIF1, a step necess...timing of how the ribosome complexitself assembles and how other factors come and go as it translatesgenetic information to build proteins, the workhorses ...

Tiny particles could solve billion-dollar problem

...earch from Rice University's Center for Biological and Environmental Nanotechnology finds that nanoparticles of gold and palladium are the most effective catalysts yet identified for remediation of one of the nation's mos...

UW's Rosetta software to unlock secrets of many human proteins

..., informationthat is highly valuable to biological and biomedical researchers.UW Tech Transfer's Digital ...organization. The institute has partnered with IBM and UnitedDevices, an Austin-based company, to create the Human Proteome FoldingProject, a global effort...

Plants, animals share molecular growth mechanisms

...ned a scientific toolbox to learn about both plant and animal development, according Purdue University sc..., said Dan Szymanski, agronomy associate professor and lead author of the study. Knowledge of the biochemical reactions involved in this process eventually...

Researchers find how protein allows insects to detect and respond to pheromones

..., informationthat is highly valuable to biological and biomedical researchers.UW Tech Transfer's Digital ...organization. The institute has partnered with IBM and UnitedDevices, an Austin-based company, to create the Human Proteome FoldingProject, a global effort...

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