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Tag: "that" at biology news

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

...edwithin the bone marrow to grow new blood vessels that could improvecirculation in patients with blockage...by forming new blood vessels, called"collaterals," that bypass the blockages, or by repairing the diseasedblood vessels. This repair process results in impr...

Fox Chase Cancer Center scientists identify immune-system mutation

...Kappes, Ph.D., has identified the genetic mutation that keeps a mouse strain from developing white blood c...marrow) generate antibodies against foreign agents that enter the body. Other T cells are known as killer cells because they attack foreign invaders more di...

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

...lockalcohol addiction in rodents. We can only hope that anti-alcoholismpatchs or gum will be available in a close future; it would help fix aproblem that we've been struggling with for ages. A naturally occurring hallucinogen advocated by some clinicians...

Neuronal 'traffic jam' marks early Alzheimer's disease

... be precipitated by a "traffic jam" within neurons that causes swelling and prevents proper transport of p...ers observed a characteristic breakdown in neurons that appears to prevent the normal movement of critical proteins to the communications centers of the ner...

Termites feed through good vibrations

Discovery that termites use vibrations to choose the wood they ea...ng ?how to ignore most noise but have some signals that trigger attention ?that may prove useful in artificial intelligence. CSIRO entomologist Theo Evans ...

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

... the journal NatureMedicine, the researchers found that human embryonic stem cells,including those current...yonic stem celllines, the investigators determined that the Neu5Gc is incorporated bythe stem cells when they are grown or derived from laboratory culturest...

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

...eutical ads in American medical journals and found that nearly one-third contained no references for medic...Association Journal. "Previous studies have shown that physicians' drug prescribing is influenced by pharmaceutical ads. We wanted to see what documents we...

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

...iding efforts to study addictedsmokers, a new drug that attaches only to areas of the brain that havebeen implicated in nicotine addiction may help studies of people battling other disorders such ...

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

...irus (HIV) changes shape, triggering other changes that allow the AIDS virus to enter and infect cells. Th...e Feb. 24 issue of the journal Nature, offer clues that will help guide vaccine and treatment approaches. Researchers led by Howard Hughes Medical Institut...

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

...ared. "Theseswellings represent structural damage that seemed to be wellestablished and stable, but clear...nce. Accordingto Holtzman, the new results suggest that plaques might not just causedamage but also somehow actively maintain it.The study, will appear in t...

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

...genes as well as a variety of bacterial-like genes that contribute to the organism's unique biology. The ...st, scientists report evidence in the DNA sequence that E. histolytica likely picked up a significant number of its metabolic genes from bacterial co-inhabi...

Key molecule in plant photo-protection identified

...ared. "Theseswellings represent structural damage that seemed to be wellestablished and stable, but clear...nce. Accordingto Holtzman, the new results suggest that plaques might not just causedamage but also somehow actively maintain it.The study, will appear in t...

Antarctic ice shelf retreats happened before

...lf on the Antarctic Peninsula is the first to show that this currently 'healthy' ice shelf experienced an ...e retreat coincided with a shift in ocean currents that occurred after a long period of warmth. Whilst rising air temperatures are believed to be the primar...

Anti-bacterial additive widespread in U.S. waterways

...ons for 85 U.S. streams. The study results suggest that theantimicrobial contaminant is present in 60 perc...lly significant differences. The results also show that thelevels of triclocarban in water resources nationwide are much higherthan previously thought.In su...

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

...trol of these genes has implications for therapies that involve tissue regeneration. The researchers found that Pax3, a gene critical in embryonic development of melanocytes ?cells that make and store the pigment...

Timing is everything: First step in protein building revealed

...formation in order to build a protein,only to find that it's not one step but two.In a series of experiments, the scientists found that when yeast'sprotein-building machinery recognizes the starting line for a gene'sinstructions, it fir...

Tiny particles could solve billion-dollar problem

... Biological and Environmental Nanotechnology finds that nanoparticles of gold and palladium are the most e...ere able to maximize the number of palladium atoms that come in contact with TCE molecules and improve efficiency by several orders of magnitude over bulk p...

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

... Washington TechTransferrecently licensed software that will give scientists a huge advantagein the fight ...uctured," said Lars Malmstroemof the UW laboratory that developed the program, "And how they arestructured is related to their function in the body."Because...

Plants, animals share molecular growth mechanisms

A newly discovered plant protein complex that apparently switches on plants' growth machinery, h...rs communication between molecules along a pathway that leads to the creation of long protein strings, called actin filaments, that are necessary for cellul...

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

... Washington TechTransferrecently licensed software that will give scientists a huge advantagein the fight ...uctured," said Lars Malmstroemof the UW laboratory that developed the program, "And how they arestructured is related to their function in the body."Because...

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