Tag: "biologists" at medical news

Plant derivative attacks the roots of leukemia

...n and Guzman are among only a handful of stem cell biologists nationwide who are specifically studying cancer stem cells. In recent years, scientists have identified cancer stems cells in blood cancers and in brain and breast tumors although the idea that cancer stems cells exist has been around for at least 4...

Penn joins major NCI research initiative to advance breast cancer therapies

...a multidisciplinary team effort, bringing together biologists with radiologists, nuclear chemists, physicists, pathologists, and computational biologists," says Chodosh. "This type of endeavor requires a group of scientists with a tremendous breadth of knowledge and expertise, which this grant has allowed us to...

Cancer researchers seek to predict tumor growth

...d team of technology systems scientists and cancer biologists that will target an area of increasing significance called 'mismatch repair defective malignancies," says Timothy J. Kinsella, M.D., the study's principal investigator in Cleveland, Professor and Vincent K. Smith Chair of Radiation Oncology at the Ca...

Duke scientists identify new way to block blood vessels that feed cancer growth

...lls that escape toxic radiation therapy. Radiation biologists from the Duke Comprehensive Cancer Center identified the master switch as a protein called "Hypoxia Inducible Factor" (HIF-1) that turns on production of these protective messages. They suppressed HIF-1 with experimental drugs given together with rad...

New compound may act to keep thyroid activity in check

...m will bring together, on one campus, chemists and biologists who have the common aim of discovering small molecules that are potent regulators of biological processes and, maybe, prototypes for drugs," said David Dawson, Ph.D., professor of physiology and pharmacology, and department chairman. Demonstrating th...

At AAAS: Biocomplexity panel on human-nature interactions

...hers, they removed fallentrees that give fish what biologists call "coarse woodyhabitat"-or CWH. According to Kratz and colleagues StephenCarpenter and Robert Provencher of Wisconsin's Center forLimnology, activities like these can affect life beneath andaround the lake. For example, fish growth and community s...

Cancer markers news backgrounder: Future of cancer diagnosis, treatment lies in tumor 'barcode'

...le an errant genetic code may underlie a disorder, biologists have estimated that 98 percent of disease is caused by something wrong in the proteins that genes produce. So, in this era of molecular biology, oncology researchers are honing in on the proteins involved in the development and progression of cancer....

President names eight elite scientists and engineers to receive National Medals of Science

...tion. The president named for the Medal of Science biologists James E. Darnell of Rockefeller University in New York City, who discovered RNA processing, and Evelyn M. Witkin of Rutgers University, who confirmed the notion of DNA repair. Leo L. Beranek of Cambridge, Mass., a retired leader in acoustical scien...

Experts present new research on the hot topics of aging at GSA's Annual Meeting

...four 20-minute talks, including presentations from biologists Leonard Hayflick and Caleb Finch and demographers James Vaupel and James Carey. They are slated to present the GSA audience with hard, baseline information about current U.S. and worldwide trends in life expectancy and life span, as well as a synopsi...

Halas wins innovator award in fight against breast cancer

... multidisciplinary group that includes physicists, biologists and engineers." The research team includes Jennifer West, associate professor of bioengineering and chemical engineering; Rebekah Drezek, assistant professor of bioengineering and electrical and computer engineering; and Renata Pasqualini, associate...

New UCLA program to study the possible environmental causes of cancer

...r the best environmental researchers and molecular biologists at UCLA, the program seeks to shed new light on how pollutants interact with genetics to cause a variety of cancers. The $1 million effort is being funded with a leadership gift from Pacific Palisades resident Art Alper, who made the donation in memo...

Memorial Sloan-Kettering scientists uncover function of BRCA2 protein

NEW YORK, September 13, 2002 -- Structural biologists at Memorial Sloan-Kettering Cancer Center (MSKCC) have discovered the function of the protein BRCA2. Mutations in the BRCA2 gene have been linked to hereditary breast and ovarian cancers. The results were reported in the September 13 issue of Science...

UCSD professor explains how elephants are able to snorkel

...withstand the intense pressure. "Many evolutionary biologists believe that the ancestors of the present day elephant were aquatic," West said. "It seems reasonable that the trunk which allows them to snorkel developed at that time." He added that there is evidence that the elephant's closest living relatives a...

Brain tumor therapy needs longer treatment time

..., N.Y. -- For nearly 20 years, a group of chemical biologists at Cornell University has been refining a technique for peering into the inner workings of cells to watch cancer-fighting drugs at work. Now, in three papers they report that their research has yielded critical insights into how the drug BPA, used as...

NEMO submerged in virus-prone boys

...d and malignantly transformed host cells. NK cell biologists distinguish between two modes of cell killing, one dependent on a humoral response to the target cells (antibody dependent cellular cytotoxicity; ADCC) and the other antibody-independent (NK cell cytotoxicity). To date, they have been unable to tease...

Scientists warn against anti-aging hype

...ile the public is bombarded by hype and lies, many biologists are intensively studying the underlying nature of aging in the belief that their research will eventually suggest ways to slow its progression and to thereby postpone infirmity and improve quality of life," the authors write. "But anyone purporting t...

Faster detection of bacteria in water, food

...d medical uses, Dr. Kashis method promises to give biologists a better understanding of microorganisms. By tracking differences that accumulated slowly in bacterial genomes over time, the study of the patterns of variation among strains can lead to greater insight into bacterial evolution. "The new identity car...

Duke researchers identify the mechanisms by which drug combinations kill fungal infections

DURHAM, N.C. Molecular biologists in the Mycology Research Unit at Duke University Medical Center have traced cellular pathways that are targeted to enhance the action of drugs used to treat fungal infections in people with compromised immune systems, such as those undergoing organ a...

Chemical engineers suggest Alzheimer's onset tied To cholesterol, brain chemicals

...o chemical engineers than biochemists or molecular biologists -- to carry out their studies. A lot of research remains to be done before the work done by Good and her colleagues is translated into medications that can prevent or treat Alzheimer's disease. *The results of her studies must be confirmed by other ...

Scientists declare global warming and human impacts are combining destructive forces on coral reefs

...nd including some of the worlds pre-eminent marine biologists concluded that, barring major reforms, "coral reefs face a bleak future." The panel called upon the nations of the world to reduce their emissions of heat-trapping greenhouse gases. Panel representative Yossi Loya, professor at Tel Aviv University a...

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