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Tag: "brings" at biology news

Unique gene regulation gives chilly bugs survival advantage at bottom of the world

...said. "The production of stress proteins usually brings development to a halt," he said. "But in this case, the larvae merrily go about their business of feeding and growing while producing their stress proteins." The Antarctic midge is barely bigger than a grain of rice, but it's still the largest free...

Gene linked with mental illness shapes brain region, researchers find

...a molecule called the serotonin transporter (SERT) brings it back into the cell. Thus, serotonin has only a brief influence on the target neurons. Drugs that prevent this re-uptake, such as Prozac, are frequently used to treat patients with depression. The serotonin transporter gene has two forms, or va...

'GreeneChip' -- New diagnostic tool that rapidly and accurately identifies multiple pathogens

...6-0837.htm ). Globalization of travel and trade brings new infectious agents into new contexts. It is increasingly important to be prepared for the unexpected. "Because clinical syndromes are rarely specific for single pathogens, methods that simultaneously screen for multiple agents are important, parti...

A new approach to growing heart muscle

...uscle ?even though it was grown in the lab. And it brings scientists another step closer to the goal of creating replacement parts for damaged human hearts, or eventually growing an entirely new heart from just a spoonful of loose heart cells. This week, University of Michigan researchers are reporting sig...

Hopkins researchers discover how brain protein might control memory

...transport to memory formation," says Worley. "This brings us one step closer to understanding how the brain saves memories." According to Worley, memories form when nerve cells connect and "talk" to other nerve cells. It's thought that the stronger these connections are, the stronger the memory. Like ...

Most important actors in the growth process of neurons identified

...ely independent of neuronal activity. This finding brings greater clarity to the axon's growth process - knowledge that constitutes a major step forward in understanding neuronal disorders. Given that this research can raise a lot of questions for patients, we ask you to please refer questions in your re...

Does natural selection drive the evolution of cancer?

...chers in an emerging cross-disciplinary field that brings the thinking of ecologists and evolutionary biologists to bear on cancer biology. Insights from their work may have profound implications for understanding why current cancer therapies often fail and how radically new therapies might be devised. ...

Cardiologist's 'living chip' changes science of disease monitoring

...linical cardiology and electrical engineering, and brings together scientists, engineers, physicians and a host of local business leaders from academia and upstate New York industry. The concept has seen strong support from individuals such as Terry Gronwall, an entrepreneur-in-residence at the High Tech Ro...

Pilot study successful in taming allergic reactions to food

... many people, so this study is exciting in that it brings us a step closer to being able to offer a meaningful therapy for these people.? Egg allergy is one of the most common food allergies among children in the United States, Burks said. Just how many children are allergic to eggs is unclear, but the Na...

Search on for treatment of slow-healing wounds

...sity of Washington's Department of Medicine, which brings expertise in the biology of wound healing to the project. "It's a point to relish that much of the data that was gathered to make this grant successful was the result of undergraduate work," Stewart said. Ellen Swogger, a recent chemical engineer...

Study offers window into human behavior, brain disease

... Still, he says, "It's the neurologist in me that brings me to work everyday, and as a neurologist what I want is to help cure the disease." ...

Study suggests evolutionary link between diet, brain size in orangutans

...heir bodies: the brain," van Schaik added. "This brings us closer to a good ecological theory of variation in brain size, and thus of the conditions steering cognitive evolution," he said. "Such a theory is vital for understanding what happened during human evolution, where, relative to our ancestors, our...

New genetic analysis forces re-draw of insect family tree

... these groups. This new family arrangement also brings the different species of social insects, such as termites and bees, closer together - suggesting that the ability of insects to cooperate in social groupings may have evolved just once, rather than independently in several different species. ...

Worm links cancer risk to ageing

... Director at the Buck Institute, added: "This work brings a new richness and sophistication to the way we think about longevity interventions. "If we're smart about it, we might be able to design strategies where you could keep checkpoint proteins active in dividing cells and stop them working in cells tha...

New treatment for food poisoning

...g will not work in the infected patient. This work brings some optimism to the highly worrying problem of the increasing resistance to antibiotics." The Listeria bacteria causes the food-borne disease, listeriosis. It often triggers a brain infection and kills up to 30% of those affected. To test whether...

Loosen up, DNA: Leukemia gene changes genetic packaging

...nd the extraordinarily complex cell signaling that brings about cancer in people, would be impossible to do directly in humans. Turning to fruit flies lets Li and other fruit fly geneticists speed up cancer research by stripping down the complexity of the organism, discovering the major themes, and then usi...

Pathway toward gene silencing described in plants

...teins in Arabidopsis plants play in a pathway that brings about DNA methylation, an epigenetic function that involves a chemical modification of cytosine, one of the four chemical subunits of DNA. Without proper DNA methylation, higher organisms from plants to humans have a host of developmental problems, f...

Failure of 'scout cells' may lead to cancer in transplant patients

...nfected by EBV early in life and the immune system brings it under control, although the virus remains hidden in some cells of the body. If the infection flares up again, scout cells alert the memory T cells, which rapidly proliferate and hunt down and kill any cells that contain growing virus or have becom...

New light microscope sharpens scientists' focus

...led photoactivated localization microscopy (PALM), brings scientists far closer to this goal ?discriminating molecules that are only two to 25 nanometers apart. The scientists published the details of the new technique in the August 10, 2006, edition of Science Express, an advance online publication of t...

Mice lacking key immune component still control chronic viral infections

...ns. In chronic herpes virus infections, the body brings the invader under control, reducing its replication and spread, but is unable to completely eliminate it, resulting in lifelong infection. The mice in the study were injected with murine gamma herpes virus 68, a herpes virus that infects mice and i...

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