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Tag: "commonly" at biology news

Association of herpesvirus with lung disorder questioned

...iated with Kaposi's sarcoma, a type of cancer most commonly seen in some parts of Africa and southern Europe and in people infected with HIV. Primary pulmonary hypertension is characterized in part by vascular lesions in the lung, and may lead to heart failure. Some cases are associated with genetic susceptib...

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

... references in support of medical claims. The most commonly cited references in the ads included journal artic...parison, out of the 400 journal articles, the most commonly cited sources of references included journal articles (88 percent) and books (8 percent). When revie...

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

...aging technique, positron emissiontomography, more commonly known as PET scans. After proving the drug’seffectiveness, Mukherjee believes the drug will have implications forother conditions, as well. Studyresults appear in the January issue of the Journal of Nuclear Medicine.“Nifrolidine is suited to provide...

Anti-bacterial additive widespread in U.S. waterways

...correlated strongly withthat of triclosan, another commonly used antimicrobial chemical thathas been studied in much greater detail because it is more easilydetectable.Using an empirical model and published data on the environmentaloccurrence of triclosan, the researchers predicted triclocarbanconcentrations ...

Tiny particles could solve billion-dollar problem

...ude over bulk palladium catalysts." TCE, which is commonly used as a solvent to degrease metals and electronic parts, is one of the most common and poisonous organic pollutants in U.S. groundwater. It is found at 60 percent of the contaminated waste sites on the Superfund National Priorities List, and it is ...

Bacteria collection sheds light on urinary tract infections

...tion of certain nutrients. However, E.coli is also commonly associated with illnesses caused by eating undercooked beef or drinking contaminated water. Without access to the large collection of bacteria strains from the Gastroenteric Disease Center, it would have been difficult for the researchers to carry o...

U of M researcher examines newly emerging deadly disease

...e survived. Purpura fulminans is an acute illness commonly associated with meningococcemia or invasive streptococcal disease, and it is typically characterized by the depletion of clotting factors in the blood and skin lesions. Purpura fulminans refers to widespread severe purpura with extensive tissue damag...

Gene variations explain drug dose required to control seizures

...d throughout the world, Goldstein said. Both drugs commonly spur adverse reactions. "Physicians have long recognized that patients with the same condition differ in their responses to the same drugs," said neurologist and epilepsy specialist Sanjay Sisodiya, M.D., leader of the University College London effo...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

... Biology Letters. Animals, like birds and fishes, commonly use biochromes like carotenoids to acquire red, orange or yellow coloration, but McGraw and Nogare found that these compounds are not responsible for the red colors found in the parrot species they sampled. The researchers used a chemical analysis t...

Transport System Smuggles Medicines Into Brain

... Biology Letters. Animals, like birds and fishes, commonly use biochromes like carotenoids to acquire red, orange or yellow coloration, but McGraw and Nogare found that these compounds are not responsible for the red colors found in the parrot species they sampled. The researchers used a chemical analysis t...

New SARS Protein Linked To Important Cell Doorway

...us' accessory genome—areas of its genetic code not commonly found in other viruses. SARS belongs to a class of viruses known as coronaviruses. Because those viruses typically aren't harmful to humans, researchers suspect a gene in the SARS accessory genome may be providing the virus with most of its pathogen...

An entropy-based gene selection method for cancer classification using microarray data

...ns. A leave-one-out approach then selects the most commonly selected genes across all the different runs and the gene selection algorithm is applied again to pare down the list of selected genes until a "minimal" subset is obtained that gives a satisfactory accuracy of classification. The algorithm was applie...

PANTHER Protein Classification System Database 5.0

...uary,which provides an integrated view of the most commonly used proteindatabases through an intuitive interface for text- and sequence-basedsearches.“The PANTHER system provides scientists with a unique resource for genefunction prediction and analysis based on a combination of advancedbioinformatics and man...

Study of genomic DNA leads to new advances in cancer diagnostics

... The cell smear assay, which is similar to methods commonly used in diagnostics laboratories (such as Pap smears), could be applied to such a purpose. The authors also used flow cytometry to characterize melanomas of varying invasiveness. Further study will be required to determine the specificity and sensiti...

Boosting HIV screening can increase survival and is cost effective

...ancy gains at costs that compare favorably to many commonly employed screening interventions in other chronic ... HIV infection is cost-effective relative to other commonly accepted screening programs and medical treatments. Referring to the Yale/Harvard findings, Owens s...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...million of these people are legally blind. "As is commonly seen in with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small central circle, and all patients in the study are legally blind," says Pollack. The Artificial Silicon RetinaTM (ASR) was invente...

Ophthalmologists implant five patients with artificial silicon retina microchip

...million of these people are legally blind. "As is commonly seen in with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small central circle, and all patients in the study are legally blind," says Pollack. The Artificial Silicon RetinaTM (ASR) was invente...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...lth effects of agricultural chemicals as they were commonly used by farmers. It's different from previous studies that focused on pesticide poisoning or high dose exposures, for example when large amounts of a chemical were accidentally spilled on the skin," said Freya Kamel, Ph.D., a researcher for the Natio...

A new study examines how shared pathogens affect host populations

...infect multiple species within a community and are commonly transmitted across species. Cross-species transmis...t Nile encephalitis that infect multiple hosts are commonly transmitted by vectors, and their transmission rate is often thought to depend on the proportion of ...

Programmable cells: Engineer turns bacteria into living computers

...and produce crisp, reliable readouts that are more commonly associated with silicon chips than biological organisms. The new paper applies similar techniques to a large population of cells. "Here we're showing an integrated package where the cells have an ability to send messages and other cells have the abi...

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