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Tag: "identify" at biology news

Researchers identify neurons that assign value during learning

...egative experiences, researchers have been able to identify neurons in the fruit fly Drosophila that are responsible for assigning value to stimuli during so-called associative learning. The findings, which advance our understanding of how, at the cellular level, we learn to associate cues with positive and n...

Scientists crack genetic secrets of human egg

... thousands of genes represented in thehuman egg to identify those which are unique to the egg. They teamed with Beth Israel Deaconess Medical Center at Harvard Medical School inBoston to work with sophisticated bioinformatics software. To make a comparison that would show which genes were uniquely active i...

Gene signature assesses breast cancer outcomes

...ll assess whether the 70-gene signature can better identify who can safely be spared adjuvant chemotherapy in 6000 women with node-negative early-stage breast cancer. If validated, the tool could safely spare 1 in 6 women the burden of adjuvant chemotherapy. ...

New technique boosts size of proteins that can be analyzed

...ind of frustration researchers face when trying to identify proteins and characterize how those proteins are m...of known protein sequences in a database, they can identify the protein. Any differences in mass with known proteins can help researchers also find where and ho...

Clue found to Epstein-Barr virus' ability to form and sustain tumors

...in all EBV-positive tumors. "We've been trying to identify specific functions of EBNA-1 that we could target ... occur. Hammerschmidt and Sugden are now trying to identify the cellular protein. "If we can identify this protein, it will be easier for us to develop assay...

Selecting life: Scientists find new way to search for origin of life

... for adapting DNA microarray technology to rapidly identify promising molecule/mineral pairs. Hazen's Presid...ach from molecular biology, his research group can identify up to one million types of biomolecules very quickly to learn which have the strongest interactions ...

Environmental toxins may cause body's defenses to worsen lung disease

...ly survey the epithelial cells lining the lungs to identify and destroy diseased cells. If the lymphocyte recognizes the tissue, Borchers explains, it simply continues its survey for problems. But if the cell receives a signal that the tissue is infected, it will automatically destroy it to protect the body f...

Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses

...urnal of Rhinology, is believed to be the first to identify the enzyme's presence in the nose and confirm its link to sinusitis. "This finding does not mean that there are actually parasites in the nose causing sinusitis, but our study does lend support to the concept that really severe and persistent sin...

Train your brain to hear your friends at a party

... binaural or "spatial" hearing because it helps us identify where a sound is coming from and to concentrate or...tling discovery. At first, the ferrets' ability to identify where the sound was coming from was dramatically reduced (because their spatial hearing had been dis...

Researchers develop technologies to devour food pathogens

...ens. The first method uses a laser to detect and identify many types of bacteria, and is about three times faster and one-tenth as expensive as current technology. A second innovation uses chlorine dioxide gas to kill pathogens on produce, fresh fruits and vegetables. This would be a large step up from cu...

One signal elicits thousands of answers

... in Martinsried have now developed a technology to identify and quantify the specific sites in proteins that g...iously developed technology, which enabled them to identify for the first time all phosphorylations of all proteins in living cells - and in their temporal dyna...

Newly identified biomarker detects and regulates spread of brain tumors

...CNS tumors. This newfound ability to reliably identify biomarkers for malignant astrocytomas means that physicians will have a new minimally invasive method to track the success of treatments. These biomarkers, singly or in combination, will provide a fingerprint of the disease and be able in the future...

Controlling antibiotics and antibiotic resistance in hospitals

...geted - prescribed after bacterial culture results identify the bacteria actually causing the infection. The study found that if a hospital had implemented measures to control the duration of administration of an empiric antibiotic, the institution had lower antibiotic resistance rates. Having a restric...

What does the public really know about HPV?

...nationally representative sample of women. To identify factors associated with U.S. women's awareness of HPV and its link to cervical cancer, researchers from NCI analyzed cross-sectional data collected from more than 3,000 women ages 18 to 75 who responded to HINTS. Researchers found that: ...

Study illuminates how the plague bacteria causes disease

... we can discover which ones are critical, we might identify the pathogen's Achilles heel--an attractive target for antibacterial or anti-virulence compounds." "We were quite excited to see such a critical and unexpected factor in the virulence of Yersinia--a bacteria historically responsible for some of the...

Computer scientists unravel 'language of surgery'

... surgical task is being performed well and also to identify which movements can lead to operating room problem..., the system being developed by Hager's team might identify surgical movements that are imprecise or too time-consuming. But to get to that point, computers f...

From a lowly yeast, researchers divine a clue to human disease

...ing his approach, other researchers may be able to identify specific genes affected in the human Sen1-linked neurological disorders. ...

Nanoscale microscope sheds first light on gene repair

...a rapid and highly coordinated series of events to identify and repair the damage. The response is critical, and there is an increased risk for cancer, developmental abnormalities and immunological problems when components of the repair processes are defective. Traditional microbiological and genetics te...

Researchers in Montréal and the US create model of key immune-system component

...interactions among these proteins and were able to identify previously unknown regulators of phagocytosis and potential molecular pathways of immune defense. "Phagocytosis is very similar in many organisms, so we are able to learn about this process by studying it in simpler organisms, such as Drosophila,"...

Knockout Mouse Project

...logue and confirm the functions of these genes and identify the disease consequences if these genes are defective. Since human and mice genes are similar, it is hoped that by inactivating mouse genes, one-by-one, the altered mice will yield clues about the function of human genes and their similar roles in h...

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