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Tag: "reports" at biology news

Source of molecular triggers in cutaneous T cell lymphoma identified

...d of normal but usually inactive genes. The study reports that CTCL develops from a small subset of lymphocytes that are pre-programmed to respond to self-antigens exposed during normal cell death. As cells undergo the process of apoptosis, cryptic -- or masked -- antigens, are uncovered. Those newly availa...

Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey

...tance sticks to foreign cells.The second substance reports back and tells the Enterococcus to makethe toxin. If no cells are in the area, the first substance sticks tothe second, preventing it from reporting back to the Enterococcus, andas a result, no toxin is made. According to Gilmore, “These bacteriaare ...

Jefferson Virologists Coax HIV Out of Hiding

...ward complete viraleradication. TheJefferson team reports its findings January 4, 2005 in the Journal ofClinical Investigation.Dr. Pomerantz, who is director of Jefferson’s Center for Human Virologyand Biodefense, and his co-workers took blood cells from HIV-infectedpatients who had been taking HAART and wh...

Scientists collaborate to assess health of global environment

... report on desertification is due out in June; and reports related to wetlands, the role of the private secto...r, the assessment team will release five technical reports totaling nearly 2,500 pages and focusing on the ties between ecosystems and human well-being. A set ...

Researchers identify target for cancer drugs

...teins do together. In this latest paper, Sarbassov reports that when mTOR and rictor bind and form a complex, they help activate Akt by adding a phosphate group to a sequence of its amino acids (a process called "phosphorylation"). This process occurs not only in human cells but in other organisms such as t...

Researchers add new tool to tumor-treatment arsenal

...ys Dr. Thomas, have probably contributed to recent reports of the under-dosing of patients and the failure to blunt the disease. When cancer cells are treated with a DNA-damaging agent, a cancer-suppressing gene known as the "guardian of the cell" (a protein called p53) responds by either killing the cell, ...

Alcohol's effects on gene expression in the central nervous system

...cohol." # Microarray techniques confirmed earlier reports indicating that chronic alcohol exposure/withdrawal differentially alters gene expression in the prefrontal cortex of mice. More than 300 genes were found to be altered by acute alcohol treatment. "The prefrontal cortex is involved in motivated beha...

UCLA scientists transform HIV into cancer-seeking missile

...t down metastasized melanoma cells in living mice, reports a UCLA AIDS Institute study in the Feb. 13 online edition of Nature Medicine. The scientists added the protein that makes fireflies glow to the virus in order to track its journey from the bloodstream to new tumors in the animals' lungs. "For the pa...

Unprecedented water level rise in Somalia

...r the Coordination of Humanitarian Affairs (OCHA), reports yesterday from Belet Weyne, close to the border with Ethiopia, indicated that the river level had increased there by over two meters in 15 hours. It was by all local accounts unprecedented in recent times and indicated that a major surge of water was...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...including organophosphates and organochlorines, to reports of reoccurring headaches, fatigue, insomnia, dizziness, nausea, hand tremors, numbness and other neurological symptoms. Some of the insecticides addressed by the study are still on the market, but some, including DDT, have been banned or restricted. ...

Surprising findings reported about iron overload

...FE mutations. "Our findings in Caucasians confirm reports from previous smaller studies," said Acton. "Our findings in non-Caucasians help everyone understand the prevalence of these conditions in other racial/ethnic groups." He added that many white Alabamians have Celtic origins, with some counties repor...

New online portal merges vast data on Gulf of Maine ecosystem

...m, the first-in-the-nation marine buoy system that reports ocean conditions in real time, and the Gulf of Maine Ocean Data Partnership, the alliance of 20 agencies and organizations providing marine data, new portal offers up decades of work by agencies and scientists dedicated to understanding the Gulf of M...

Buying Time Through Hibernation on Demand

...down in order to buy them time until the pathology reports come back and they can get on the right course of treatment," Roth said. "Today, physicians have no way of dealing with uncontrolled fever other than literally putting people on ice. Well, we believe we know how to flip the breaker on the patient's f...

U-M team recovers ancient whale in Egyptian desert

...down in order to buy them time until the pathology reports come back and they can get on the right course of treatment," Roth said. "Today, physicians have no way of dealing with uncontrolled fever other than literally putting people on ice. Well, we believe we know how to flip the breaker on the patient's f...

Researchers uncover sequence of major rice pathogen

..., you tend to have a lot of them." The paper also reports that the M. grisea genome contains retro-elements, or remnants of viruses, living in what Dean calls "hot spots" in the genome. "These virus remnants live in discreet parts of the genome and have high rates of recombination, which may be why the fun...

Potential Drug Target For Treating Cocaine Abuse Found

...thwestern Medical Center in Dallas. "This article reports early studies with just such a compound." Although the results are preliminary, this breakthrough shows that it may be possible to develop drugs that block cocaine's stimulating effects, and perhaps its power to addict, Nestler says. Researchers pre...

PET/CT can identify new cancer lesions at early stage, allowing for prompt treatment

...ns Hopkins Medical Institutions in Baltimore, Md., reports that whole-body positron emission tomography/computed tomography (PET/CT) scans may help physicians identify new, unexpected malignant cancerous tumors in patients, according to an article in the May issue of the Society of Nuclear Medicine's Journal...

Live vaccines more effective against horse herpes virus

... the last four to five years, there have been more reports of the severe neurological disorder associated wit...ng abortions caused by the virus. "Based on recent reports and our preliminary findings, many inactivated vaccines, especially when given too often, don't appe...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...Dec. 26, 2004, tsunami disaster in Asia, following reports that trained elephants in Thailand had become agitated and fled to higher ground before the devastating wave struck, thus saving their own lives and those of the tourists riding on their backs. Because earthquakes and tsunamis generate low-frequency ...

Study reveals candidate targets for anti-retroviral therapeutics

...er and colleagues at the University of California, reports the discovery of over 100 host genes that affect the replication of a model retrovirus. Their results are reported in the May issue of Genome Research. Many organisms harbor mobile genetic elements that are non-pathogenic molecular relatives of retr...

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