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Tag: "taken" at biology news

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

...s analyzed cell lines generated from blood samples taken from pairs of sisters in which one sister had been diagnosed with breast cancer and the other had not. They found that DNA repair capacity was lower in breast cancer patients than in the control subjects. Deficient DNA repair capacity was associated...

Neuronal 'traffic jam' marks early Alzheimer's disease

...in and his colleagues also examined brain sections taken at autopsy from humans with different stages of Alzheimer's disease. They detected the same kinds of swelling in those samples that they had seen in the mice. "This was a small, initial neuropathological study, but we believe that it is significant,"...

Computers to be used to find blueprint for new influenza drug

...ical companies develop a better drug that could be taken by people coming down with flu to stop the disease...kens in Asia. “If we are successful, we will have taken important steps in finding a new way of fighting influenza and other diseases. It will then be for t...

Breakthrough Microarray-based Technology for the Study of Cancer

...ional Genomics ResearchInstitute. "Agilent has now taken array-CGH experiments into a newrealm of resolution, sensitivity, and reproducibility that allowsreliable detection of alterations at the scale of individual genes andeven introns and exons. This advancement, along with the possibility itprovides to ...

Scientists find missing enzyme for tuberculosis iron scavenging pathway

...venges iron and then (with iron bound to it) it is taken up by the bacterium again." Although Rv1347c is n...his seems to be true even of the bacteria that are taken up by macrophages in the lung and enter a dormant state ?these are the hardest to attack with drugs....

Novel Enzyme Shows Potential As An Anti-HIV Target

...talytic center is removed. Experiments using cells taken from transgenic mice lacking SIRT1 demonstrated that introducing human SIRT1 enzymes increased Tat’s transcriptional effects in a dose-dependent manner, while treating cells with the small molecule HR73, a derivative of a molecule that inhibits the y...

The secret lives of whales

...pe is that in the next decade, the world will have taken heed, and instituted steps to reduce the entry of contaminants to the oceans. ...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...eurotransmitters in single neurons. "We'veactually taken superlative three-dimensional pictures where we go rightthrough the embryo," says Reinisch. The sequence of images yields athree-dimensional representation of the embryos' developing neurons.Reinisch and company examined periodically recorded images ...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...eurotransmitters in single neurons. "We'veactually taken superlative three-dimensional pictures where we go rightthrough the embryo," says Reinisch. The sequence of images yields athree-dimensional representation of the embryos' developing neurons.Reinisch and company examined periodically recorded images ...

Mouse brain tumors mimic those in human genetic disorder

...xperts alsoexamine pictures of the patient's brain taken with magnetic resonanceimaging (MRI). To capture such brain images, physicians inject acontrast dye into a patient's bloodstream and look for accumulation ofdye around the tumor. Though dye accumulation may be a sign of tumorprogression, it is unclea...

New Clues Add 40,000 Years to Age of Human Species

...me across an unusual resource: unused film footage taken by National Geographic photographers for a never-aired documentary on the original expedition. By matching features such as hills from the film to landmarks in the field, together with a hand drawn map from the late Paul Abell and photographs by Kar...

Gene variations explain drug dose required to control seizures

...ant association with the maximum dose of phenytoin taken by patients with epilepsy. Moreover, a variant of...ct on related brain proteins. "The range of doses taken by patients at epilepsy clinics is great," Goldstein said. "For someone at the higher end, it can ta...

Scientists discover the cellular roots of graying hair

...mans, the investigatorsexamined human scalp tissue taken at increasing ages, and determinedthat the same pattern occurred.Since cell survival in general is influenced by an “anti-death?genecalled Bcl2, Fisher’s team analyzed mice lacking this gene. In adramatic fashion, the mice lost their melanocyte stem ...

Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery

...mans, the investigatorsexamined human scalp tissue taken at increasing ages, and determinedthat the same pattern occurred.Since cell survival in general is influenced by an “anti-death?genecalled Bcl2, Fisher’s team analyzed mice lacking this gene. In adramatic fashion, the mice lost their melanocyte stem ...

Essential mangrove forest threatened by cryptic ecological degradation

...rotection. In natural conditions, this function is taken up by mangroves, forests thriving at the edge of land and sea that are ecologically and socio-economically important for local people in tropical countries on all continents. Using biology, geography, hydrology, socio-economic interviews, and 18th-ce...

Weizmann Institute scientists develop a new approach for directing treatment to metastasized prostate cancer in the bones.

...mans, the investigatorsexamined human scalp tissue taken at increasing ages, and determinedthat the same pattern occurred.Since cell survival in general is influenced by an “anti-death?genecalled Bcl2, Fisher’s team analyzed mice lacking this gene. In adramatic fashion, the mice lost their melanocyte stem ...

Ants Genetic Engineering Leads To Species Interdependency

...e, and even slavery.Indeed, these traits have been taken to their extreme in many antspecies, such as the case of slavemaker ants, which have become sospecialized for raiding food from the colonies of other ants that theycan no longer feed themselves or raise their younger siblings.Recent work on ants sugg...

NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention

...-resistant AIDS by mid-January. Ordinarily, it has taken up to ten years for an untreated individual to progress from HIV infection to an AIDS defining illness and diagnosis. "It appears this individual has contracted a new, particularly virulent strain of HIV that swiftly advanced to AIDS in just a few s...

New studies suggest airborne SARS transmission is possible

... also detected virus in four of 85 surface samples taken from frequently touched surfaces, highlighting the importance of strict adherence to infection control precautions to prevent SARS coronavirus transmission in the health care setting. In the Hong Kong study, which focused on the 2003 SARS outbreak a...

FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media

... Health Corporation and allows blood samples to be taken at home which people then send to a laboratory for testing. No home-use test kits intended for diagnosing syphilis and dengue fever are approved for sale in the U.S. The FDA has issued an import alert which alerts FDA field personnel to the possible...

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