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Clues in Biological News

Genetically engineered mice yield clues to 'knocking out' cancer

Deleting two genes in mice responsible for repairing DNA strands damaged by oxidation leads to several types of tumors, providing additional evidence that such stress contributes to the development of cancer. That's the conclusion of a recent study* in DNA Repair by researchers at the National I...

Mouse model provides clues to human language development

In the brains of the mice the researchers found alterations which may be closely linked to speech and language development. Their analyses comprise part of an international study led by the Leipzig Max Planck Institute for Evolutionary Anthropology. The findings have been published in the current ...

Research uncovers clues to virus-cancer link

CHAPEL HILL, N.C. In a series of recently-published articles, a research team from the University of North Carolina at Chapel Hill Lineberger Comprehensive Cancer Center has uncovered clues to the development of cancers in AIDS patients. In an April article published in the journal PLoS Patho...

A tiny frozen microbe may hold clues to extraterrestrial life

A novel bacterium that has been trapped more than three kilometres under glacial ice in Greenland for over 120 000 years, may hold clues as to what life forms might exist on other planets. Dr Jennifer Loveland-Curtze and a team of scientists from Pennsylvania State University report finding th...

Embryology study offers clues to birth defects

LA JOLLA, Calif., June 9, 2009 -- Gregg Duester, Ph.D., professor of developmental biology at Burnham Institute for Medical Research (Burnham), along with Xianling Zhao, Ph.D., and colleagues, have clarified the role that retinoic acid plays in limb development. The study showed that retinoic aci...

International team tracks clues to HIV

Rice University's Andrew Barron and his group, working with labs in Italy, Germany and Greece, have identified specific molecules that could block the means by which the deadly virus spreads by taking away its ability to bind with other proteins. Using computer simulations, researchers tested ...

Bovine genome provides clues to possible new developments

Scientists from Texas AgriLife Research and the Texas A&M University College of Veterinary Medicine & Biomedical Sciences (CVM) are part of a consortium of researchers who have developed an annotated sequence of the cattle genome which could lead to better disease resistance and higher quality mea...

Frogs reveal clues about the effects of alcohol during development

Fetal alcohol spectrum disorder (FASD) and Fetal alcohol syndrome (FAS) cause malformations in babies, including facial defects, short stature, and mental and behavioral abnormalities. The African frog, Xenopus, is a valuable tool for understanding early vertebrate development since these embryos ...

NASA researchers find clues to a secret of life

GREENBELT, Md. - NASA scientists analyzing the dust of meteorites have discovered new clues to a long-standing mystery about how life works on its most basic, molecular level. "We found more support for the idea that biological molecules, like amino acids, created in space and brought to Earth ...

Greatest thing since sliced bread: New data offer important clues toward improving wheat yields

Breed a better crop of wheat? That's exactly what a team of researchers from Kansas State University and the U.S. Department of Agriculture hope their research will lead to. In their study, appearing in the March 2009 issue of the journal GENETICS ( http://www.genetics.org ), they analyzed the t...

Study offers clues to beating hearing loss

Researchers at the University of Leeds have made a significant step forward in understanding the causes of some forms of deafness. The Leeds team has discovered that the myosin 7 motor protein - found in the tiny hairs of the inner ear that pick up sound - moves and works in a different way from...

Physics, math provide clues to unraveling cancer

ANN ARBOR, Mich. Biology exists in a physical world. That's a fact cancer researchers are beginning to recognize as they look to include concepts of physics and mathematics in their efforts to understand how cancer develops -- and how to stop it. The movement, led by researchers at the Univers...

Research yields new clues to how we locate objects in space

Two mechanisms have been commonly described which allow us to locate objects in space. Direct perception occurs when we see, hear or feel an object; by directly looking at an object, for example, we can easily describe its size, shape and where it is located in space. However, when an object is no...

Mothers pass on disease clues to offspring

When there is a threat of disease during pregnancy, mothers produce less aggressive sons with more efficient immune systems, researchers at The University of Nottingham have discovered. The study provides the first evidence for a transgenerational effect on immune response based on environmenta...

High blood sugar's impact on immune system holds clues to improving islet cell transplants

AUGUSTA, Ga. A biological tit for tat may hold clues to improving the success of islet cell transplants intended to cure type 1 diabetes, according to a Medical College of Georgia scientist. In type 1, the immune system attacks insulin-producing cells causing high blood glucose levels that ma...

Rare disease provides clues about enzyme role in arrhythmias

A University of Iowa study provides insight into a calcium-sensing enzyme already known to play a role in irregular heartbeats and other critical functions. The researchers showed that the enzyme, calmodulin kinase II (CaM kinase II), contributes to arrhythmia in an extremely rare disease called T...

Rice University study finds possible clues to epilepsy, autism

Rice University researchers have found a potential clue to the roots of epilepsy, autism, schizophrenia and other neurological disorders. While studying the peripheral nerves of the Drosophila, aka the fruit fly, Rice doctoral student Eric Howlett discovered an unanticipated connection between ...

Mechanisms of cardiovascular disease and cancer give clues to new therapies

Cardiovascular conditions leading to heart attacks and strokes are treated quite separately from common cancers of the prostate, breast or lung, but now turn out to involve some of the same critical mechanisms at the molecular level. This in turn provides clues to more effective therapies for both...

Alpine rivers hold important clues for preserving biodiversity and coping with climate change

Marginal plants, particularly trees, play a crucial role in sustaining the biodiversity of Europe's big river systems, according to a recently held workshop organised by the European Science Foundation (ESF). This finding provides important clues for protecting Europe's rivers against a combined o...

6,000km trip to reveal clues to ancient migration

Two Durham University scientists are to play a key part in a 6000km trip following the migration route of ancient Pacific cultures. Drs Keith Dobney and Greger Larson, both from the Department of Archaeology, will be joining the voyage, which will be the first ever expedition to sail in two...

Proteomics study yields clues as to how tuberculosis might be thwarting the immune system

BERKELEY, CA -- A link between the immune system and the self-cleaning system by which biological cells rid themselves of obsolete or toxic parts may one day yield new weapons in the fight against tuberculosis and other deadly infectious diseases. Scientists with the U.S. Department of Energy's (D...

Worm genome offers clues to evolution of parasitism

The genome of a humble worm that dines on the microbial organisms covering the carcasses of dead beetles may provide clues to the evolution of parasitic worms, including those that infect humans, say scientists at Washington University School of Medicine in St. Louis and the Max-Planck Institute f...

Vitiligo skin disorder could yield clues in fight against melanoma

MAYWOOD, Ill. About 1 million Americans suffer a skin disorder called vitiligo, which causes unsightly white patches on the face, hands and other parts of the body. A Loyola University Hospital researcher has won a five-year, $1.7 million federal grant to investigate a new way to treat vitilig...

Rare genetic disorder gives clues to autism, epilepsy, mental retardation

A rare genetic disorder called tuberous sclerosis complex (TSC) is yielding insight into a possible cause of some neurodevelopmental disorders: structural abnormalities in neurons, or brain cells. Researchers in the F.M. Kirby Neurobiology Center at Children's Hospital Boston, led by Mustafa Sahin...

Giant grass offers clues to growing corn in cooler climes, researchers report

A giant perennial grass used as a biofuels source has a much longer growing season than corn, and researchers think they've found the secret of its success. Their findings offer a promising avenue for developing cold-tolerant corn, an advance that would significantly boost per-acre yields. The ...

Rice lab finds molecular clues to Wilson disease

HOUSTON -- Aug. 19, 2008 -- Using a combination of computer simulations and cutting-edge lab experiments, physical biochemists at Rice University have discovered how a small genetic mutation -- which is known to cause Wilson disease -- subtly changes the structure of a large, complex protein that ...

Blood pressure response to daily stress provides clues for better hypertension treatment

How the body regulates blood pressure in response to daily stress is the focus of a study geared toward helping people whose pressure is out of control. "Research shows that two-thirds of patients' high blood pressure is not controlled despite the best efforts of their doctors. That is terribl...

Earthworm detectives provide genetic clues for dealing with soil pollution

The humble earthworm, famously acknowledged by Charles Darwin when he wrote "It may be doubted whether there are many other animals which have played so important a part in the history of the world", provides a new sensitive and detailed picture of what is going on in our contaminated soil ecosys...

Healthy parents provide clues to survival of young haddock on Georges Bank

In 2003, haddock on Georges Bank experienced the largest baby boom ever documented for the stock, with an estimated 800 million new young fish entering the population. With typical annual averages of 50 to 100 million new fish in the last few decades, fisheries biologists have been puzzled by the ...

Saltwater sleuths: Seeking clues to help determine the ages of fish and shellfish populations

Fishery biologist Sandy Sutherland looks through the lens of the microscope at tiny sections of fish earbones, known as otoliths, each showing annual bands of growth. She carefully counts the bands to determine the age of the fish, then moves on to the next sample. Known as an age reader, Sutherl...

New clues to how proteins dissolve and crystallize

BERKELEY, CA -- In the late 19th century the Czech scientist Franz Hofmeister observed that some salts (ionic compounds) aided the solution of proteins in egg white, some caused the proteins to destabilize and precipitate, and others ranged in activity between these poles. Hofmeister proceeded...

Ancient protein offers clues to killer condition

More than 600 million years of evolution has taken two unlikely distant cousins turkeys and scallops - down very different physical paths from a common ancestor. But University of Leeds researchers have found that a motor protein, myosin 2, remains structurally identical in both creatures. T...

Medical College researchers find dinosaur clues in fat

VALHALLA, April 23, 2008A team of researchers at New York Medical College has discovered why birds, unlike mammals, lack a tissue that is specialized to generate heat. A paper published April 21, 2008 in the online peer-reviewed journal BMC Biology contains the surprising implication that the same...

Tomato pathogen genome may offer clues about bacterial evolution

Blacksburg, Va.. The availability of new genome sequencing technology has prompted a Virginia Tech plant scientist to test an intriguing hypothesis about how agricultures early beginnings may have impacted the evolution of plant pathogens. Boris Vinatzer, assistant professor of plant pathology...

Major collaboration uncovers surprising new genetic clues to diabetes

An international team that included scientists from the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), today reported it has identified six more genetic variants involved in type 2 diabetes, boosting to 16 the total number of genetic risk factors...

Major international collaboration offers new clues to genetics of type 2 diabetes

An international collaboration of scientists from Europe and the US has identified six new genes which play a role in the development of type 2 diabetes, extending the total number of genes implicated in common forms of the disease to sixteen. The findings provide valuable new insights into the...

Research with squirrels provides clues on hormone's role in human learning

Tests on the influence that a stress-related hormone has on learning in ground squirrels could have an impact on understanding how it influences human learning, according to a University of Chicago researcher. Jill Mateo, Assistant Professor in Comparative Human Development, has found that when...

Mesothelin engineered on virus-like particles provides treatment clues for pancreatic cancer

New understanding of a protein that spurs the growth of pancreatic cancer could lead to a new vaccine against the deadly disease, said researchers at Baylor College of Medicine in Houston in a report appearing in the current edition of the journal Molecular Cancer Therapeutics. The protein call...

Stanford researchers say living corals thousands of years old hold clues to past climate changes

Using radiocarbon dating and samples of deep-sea corals snipped from the floor of the Pacific Ocean by a submersible, researchers from Stanford and Lawrence Livermore National Laboratory have discovered that deep-sea corals growing off Hawaii are much older than previously thoughtsome as old as 4,...

Studying rivers for clues to global carbon cycle

EVANSTON, Ill. --- In the science world, in the media, and recently, in our daily lives, the debate continues over how carbon in the atmosphere is affecting global climate change. Studying just how carbon cycles throughout the Earth is an enormous challenge, but one Northwestern University profess...
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Breaking Biology News(10 mins):Marshall University to partner with international company in drug development venture 2Neutron crystallography solves long-standing biological mystery 2Neutron crystallography solves long-standing biological mystery 3
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Breaking Medicine News(10 mins):Health News:Study finds widespread oral health problems among Navajo 2Health News:Shoulder Surgery Gets NFL Players Back in the Game 2Health News:Losing Weight May Ease Hot Flashes, Study Finds 2Health News:Losing Weight May Ease Hot Flashes, Study Finds 3Health News:60 Percent of Diners Use Calorie Labeling When Posted: CDC 2Health News:60 Percent of Diners Use Calorie Labeling When Posted: CDC 3Health News:Georgia State hosts national conference on aggression 2Health News:Georgia State hosts national conference on aggression 3
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