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Tag: "draw" at biology news

Researchers identify target for cancer drugs

...stroying lipids in the cell membrane that normally draw Akt to the surface. In a sense, PTEN keeps a leash on Akt and thus suppresses cell division. But when PTEN is mutated and unable to function, Akt breaks free. It makes its way to the cell membrane where other proteins activate it, thereby enabling A...

PANTHER Protein Classification System Database 5.0

...er.org) developed by Dr. Kitano’s group was usedto draw all of the pathways available on the PANTHER system Web site,which provides sufficient molecular detail of the pathway data forsystems biology applications. “We've gained enormously from thiscollaboration, and we are pleased to be providing the resul...

Family trees of ancient bacteria reveal evolutionary moves

...to a broad range of researchers. Blank is able to draw her hypothesis from family trees she is drawing of Cyanobacteria. Her observations are likely to incite debate among biologists and geologists studying one of Earth's most controversial eras ?approximately 2.1 billion years ago, when cyanobacteria fi...

Elephant seal pups suffer from ocean warming

...ody mass while pregnant and have fewer reserves to draw on during nursing. Nursing pups get all nourishment from their mothers; changes in ocean temperature therefore directly affect the weight, and the survival rate, of the pups. To assess the impact of temperature changes on food availability to elepha...

The lopsided brain: Attention bias is shared by humans and birds

...al tasks. In a classic example, a patient asked to draw a daisy can only manage to put petals on the right side of her drawing. The more subtle leftward bias in attention present in healthy humans likely has to do with asymmetries in the wiring of the brain's attention in the two hemispheres; the new fin...

Secret of smallpox's success may lead to bioterror cure

...be added to the mutant vaccinia virus, which would draw the immune system's attention to the target virus's proteins, thus creating a strong immune response to the target virus. Though perhaps controversial, such a method could ultimately provide effective protection from some of humankind's most challeng...

Primates on the brink

... Changes to the list from 2002 reflect a desire to draw attention to other endangered primates. For example, Miss Waldron's red colobus, which has gone decades without a live sighting, was replaced by the Bioko red colobus to show that other colobus species also are under extremely grave threat. "All evi...

Insects, viruses could hold key for better human teamwork in disasters

...gn, the research team at Illinois is attempting to draw inspiration from the collaboration patterns that honeybees and ants use, and the spread patterns viruses typically take. The ideas the researchers develop will "augment current collaboration among first responders, including civil engineers, to extr...

Brown-Harvard team solves mobile DNA's surgical sleight-of-hand

...d bits of lambda DNA with dyes that allowed her to draw up a map of this viral DNA during insertion. "It was gratifying to see that two totally different experimental approaches give the same picture," Radman-Livaja said. "It means we have a very solid foundation for the next step forward in understandin...

Drawing with DNA: 'Bioart' illuminates genomics

...their bodies slowly within the space, visitors can draw shimmering light-filled traces. When a trace sufficiently matches a pictogram in the human dataset, it triggers a real-time bioinformatics comparison: BLAST begins to run, searching through the rice data for a homologue ?conducting in a novel (and vi...

Doctors should stop prescribing antibiotics for the common cold, review advises

...hat evaluates medical research. Systematic reviews draw evidence-based conclusions about medical practice after considering both the content and quality of existing medical trials on a topic. Arroll reviewed 12 trials that included more than 1,900 patients with symptoms lasting for seven days or less or w...

Hepatitis C responds best to combo of ribavirin and interferon, study concludes

...hat evaluates medical research. Systematic reviews draw evidence-based conclusions about medical practice after considering both the content and quality of existing medical trials on a topic. Hepatitis C is inflammation of the liver caused by the hepatitis C virus (HCV). It is transmitted primarily by bl...

Study: Predatory dinosaurs had bird-like pulmonary system

...e dinosaur skeletons with those of modern birds to draw comparisons of how the soft tissues in the dinosaurs may have been structured. Birds long have fascinated biologists because of their unusual pulmonary system. Pulmonary air sacs prompt air to pass through the lungs twice during ventilation. This sy...

U-M researchers identify new blood test for prostate cancer

...iopsy. The new test requires only a routine blood draw for patients. Most blood-processing laboratories could easily be equipped to scan for these 22 biomarkers, Chinnaiyan says. Researchers are conducting further studies to validate the findings with a larger, community-based group of patients. ...

Opiates Better Than Sedatives For Treating Newborns In Withdrawal

...hat evaluates medical research. Systematic reviews draw evidence-based conclusions about medical practice after considering both the content and quality of existing medical trials on a topic. The reviews included 13 studies with a total of 890 infants of mothers who had used opiates with or without other...

Researchers discover new route to hemoglobin synthesis

...hat evaluates medical research. Systematic reviews draw evidence-based conclusions about medical practice after considering both the content and quality of existing medical trials on a topic. The reviews included 13 studies with a total of 890 infants of mothers who had used opiates with or without other...

Progress on HIV/AIDS significant but insufficient

...combat discrimination against people with AIDS, to draw up special programmes for women and girls, and to enhance efforts to eliminate violence against women and educate men and boys. Prevention was reaffirmed as the pillar in combating AIDS in another round-table discussion, but coverage of prevention p...

Computer modeling reveals hidden conversations within cells

...wide body of prior research that they were able to draw on to set the initial parameters in the model. As they were developing the model, they repeatedly tested and refined it by comparing the model's predictions with the results of experiments with living cells. "The beauty of this kind of interdiscipl...

High carbon dioxide levels spur Southern pines to grow more needles

... for higher counts, she explained. "I'm trying to draw the distinction between closed canopy versus non-closed canopy, because when a canopy is not closed you're mixing several issues," she said. She also noted that experiments with other non-conifer broad-leaf species have made some scientists conclude...

Skull study sheds light on dinosaur diversity

.... But without skulls to study, it has been hard to draw conclusions about how and what titanosaurs ate. With his work and that of researchers at the State University of New York, Stony Brook who announced the discovery of a complete titanosaur skeleton in 2001, sauropod specialists finally can start piec...

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