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Tag: "pathologist" at biology news

Scientists discover the cellular roots of graying hair

...rber. The secondauthor, Scott R. Granter, MD, is a pathologist at Brigham and Women’sHospital.The American Cancer Society expects about 55,100 people to be diagnosedwith melanoma, the most serious form of skin cancer, in 2004, with anestimated 7,910 deaths. Melanoma can be cured when it is detected andtreated ea...

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

...rber. The secondauthor, Scott R. Granter, MD, is a pathologist at Brigham and Women’sHospital.The American Cancer Society expects about 55,100 people to be diagnosedwith melanoma, the most serious form of skin cancer, in 2004, with anestimated 7,910 deaths. Melanoma can be cured when it is detected andtreated ea...

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

...rber. The secondauthor, Scott R. Granter, MD, is a pathologist at Brigham and Women’sHospital.The American Cancer Society expects about 55,100 people to be diagnosedwith melanoma, the most serious form of skin cancer, in 2004, with anestimated 7,910 deaths. Melanoma can be cured when it is detected andtreated ea...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

...h genes are turned on," notes Bradley Bernstein, a pathologist at Harvard Medical School. He is also a research associate at the Broad Institute of Harvard and M.I.T., where a complex analysis of packaging of two entire human chromosomes was done for the first time. Besides Bernstein, the investigators included...

Scientists identify new model Of NK cell development

...nd in lymph nodes. Interestingly, Gerard Nuovo, a pathologist and co-author of the study, discovered that these novel NK precursor cells are not randomly strewn throughout the lymph nodes, but rather localized near special sites called parafollicular regions, rich in T cells and NK bright cells. "We thought th...

Genome study of beneficial microbe may help boost plant health

...or biological control," says Loper. She is a plant pathologist with USDA's Agricultural Research Service (ARS) an...ered two decades ago by Charles R. Howell, a plant pathologist with the ARS in Texas, who showed that the microbe suppressed two major cotton diseases. Since then,...

Investigating 'brain shrinkage' in alcoholics

...e, calling it critical to solving the puzzle. "The pathologist and neuroradiologist can identify the region of the brain to study, and the molecular biologist can take samples from these regions and look at the genes controlling structure and function and even identify individual proteins that might play a role ...

From a Few Wild Ancestors, a Citrus Cornucopia

...of its kind. “Now,?says research leader and plant pathologist Richard F. Lee, “we’ve got a relatively small core subset that represents much of the diversity in the Citrus genome. This makes it easier to search for specific genes related to pest and pathogen resistance and to high flavonoid and nutrient levels....

Infectious disease expert warns of spread of Rocky Mountain spotted fever

...n The New England Journal of Medicine, the Hopkins pathologist and microbiologist J. Stephen Dumler, M.D., a professor at The Johns Hopkins University School of Medicine, highlights the importance of the recent outbreak in Arizona as the first confirmed cases that could be traced back to ticks carried into to th...

Quick identification needed to save Florida's citrus industry from devastating disease

... hosts," said Ronald Brlansky, professor and plant pathologist with the University of Florida, CREC, Lake Alfred, FL. "Finding the extent of the disease and the removal of infected trees will reduce the damage done by this disease," he said. Plant pathologists have been surveying and testing for citrus greening ...

Corn grain mould used as pesticide

...rs which cannot produce any toxin," the Bonn plant pathologist Dr. Sebastian Kiewnick explains. "Cotty propagated this non-toxic strain of aspergillus on grains of corn and spread the mould-infected grains in fields of cotton. As a result, the non-toxic strain was present in substantially larger amounts and was ...

Zebrafish may hold key to improved cancer research

...dy of human cancers," said Jan Spitsbergen, a fish pathologist in OSU's Center for Fish Disease Research. "We've now proven that most of the carcinogens that affect humans are also active in zebrafish and can lead to the same types of cancer, whether it's in the brain, blood, reproductive organs or elsewhere." ...

Give thanks for the cranberry, say dental researchers

...working closely with Nicholi Vorsa, Ph.D., a plant pathologist and director of the Blueberry and Cranberry Research and Extension Center at Rutgers, to isolate the compounds in juice that are most protective. A food scientist turned dentist, Koo became fascinated with research and is an expert on natural substa...

New evidence supports century-old theory of cancer spread

...r cells is not new. In the early 1900's the German pathologist Otto Aichel proposed that metastasis is caused by cancer cells fusing with macrophages. "There is now evidence to support all aspects of his proposition," said Pawelek. "Macrophages are among the most motile cells we have. By co-opting the macrophage...

Carnegie Mellon develops non-invasive technique to detect transplant rejection at cellular level

... and snipping out several tiny pieces of tissue. A pathologist then tests the tissue to identify the presence of immune cells (such as macrophages) as well as other pathological changes in the transplanted heart tissue that indicate the graft is being rejected by the body's immune system. These procedures are c...

Red Tide causes sea turtle die-off in El Salvador

... Development (USAID)for assistance, WCS veterinary pathologist Dr. Julie White journeyed to the southern coast of El Salvador in January to help determine why these ocean-going reptiles--mostly olive ridley turtles and a few green and hawksbill turtles--were dying in such high numbers. Tissues collected from dea...

Gene screen for breast cancer better than pathologist's 'eye'

...f their QM-MSP test versus microscopic review by a pathologist on breast fluid samples. The fluid samples, taken from high-risk women or those diagnosed with breast cancer, were obtained through a process called ductal lavage, a saline wash via a catheter threaded through openings in the nipple leading to the v...

Second opinion yields treatment changes for half of patients

... abnormalities. In addition, a dedicated breast pathologist can make a difference in how the cancer is staged, which in turn can affect treatment recommendations. In this study, the tumor board pathologists interpreted test results differently in 29 percent of patients. For some patients, this meant a change ...

Tuberculosis: The bacillus takes refuge in adipose cells

...itut Pasteur, in collaboration with Paul Fornès, a pathologist from Hôpital Européen Georges Pompidou. They raise questions of considerable importance in the fight against tuberculosis. Tuberculosis kills almost two million people worldwide every year and is considered by the World Health Organisation to repre...

White blood cells of cancer-resistant mice overwhelm natural defenses of cancer cells

...t most cancers have in common," said Willingham, a pathologist and head of the Section on Tumor Biology. ...

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