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Cornell researcher seeks clues to how tuberculosis infects cells
12-21-2007 · EurekAlert!Cornell researchers are using advanced genetic techniques to better understand the relationship between the bacteria that cause tuberculosis and the human immune system defense cells that engulf them.
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- Targeting tumors the natural way
03-25-2007 · EurekAlert!
By mimicking Nature's way of distinguishing one type of cell from another, University of Wisconsin-Madison scientists now report they can more effectively seek out and kill cancer cells while sparing healthy ones.
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- New cell type identified in cancer development
03-13-2007 · EurekAlert!
A team of scientists, led by Dr. Jian-Xin Gao, a researcher in the department of pathology at Ohio State University Medical Center, has identified a new set of cells he calls precancerous stem cells (pCSCs).
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- How sneaky HIV escapes cells
06-04-2007 · EurekAlert!
HIV, the virus that causes AIDS, uses a pre-existing transport system to leave one infected cell and infect new ones, Hopkins scientists have discovered. Their findings, published in the June issue of PLoS Biology, counter the prevailing belief that HIV and other retroviruses can only leave and enter cells by virus-specific mechanisms.
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- Stowers Institute's Xie Lab demonstrates dual intrinsic and extrinsic control of stem cell aging
10-10-2007 · EurekAlert!
The Stowers Institute's Xie Lab has published recent findings that reveal some of the factors underlying the aging of stem cells. The paper, 'Stem Cell Aging is Controlled both Intrinsically and Extrinsically in the Drosophila Ovary,' was published in the Oct. 11 issue of Cell Stem Cell. Lei Pan, Predoctoral Researcher, and Ting Xie, Ph.D., Associate Investigator, are the papers first and last authors, respectively.
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- Neuronal activity gives clues to working memory
06-06-2007 · EurekAlert!
A newly discovered interplay of cells in one of the brain's memory centers sheds light on how you recall your grocery list, where you laid your keys and a host of important but fleeting daily tasks. Scientists at Weill Cornell Medical College say their experiments with common goldfish are uncovering the secrets of a form of short-term recall known as "working memory."
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- U of M identifies cell line that is resistant to retroviruses, including HIV
10-17-2006 · EurekAlert!
Researchers at the University of Minnesota have identified a protein that enables viruses such as HIV to infect cells and spread through the body.
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- Scientists produce neurons from human skin
02-22-2007 · EurekAlert!
Scientists from Universit Laval's Faculty of Medicine have succeeded in producing neurons in vitro using stem cells extracted from adult human skin. This is the first time such an advanced state of nerve cell differentiation has been achieved from human skin, according to lead researcher Professor Franois Berthod. This breakthrough could eventually lead to revolutionary advances in the treatment of neurodegenerative illnesses such as Parkinson's disease.
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- Algae provide new clues to cancer
10-12-2006 · EurekAlert!
A microscopic green alga helped scientists at the Salk Institute for Biological Studies identify a novel function for the retinoblastoma protein (RB), which is known for its role as a tumor suppressor in mammalian cells. By coupling cell size with cell division, RB ensures that cells stay within an optimal size range.
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- Cells use 'noise' to make cell-fate decisions
03-23-2007 · UT Southwestern Medical Center
Electrical noise, like the crackle heard on AM radio when lightning strikes nearby, is a nuisance that wreaks havoc on electronic devices. But within cells, a similar kind of biochemical “noise” is beneficial, helping cells transform from one state to another, according to a new study led by a UT Southwestern Medical Center researcher.
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- Study explains how pathogens evolve to escape detection
07-18-2007 · EurekAlert!
In the evolutionary battle in which plants are trying to beef up their defenses against pathogens, Cornell researchers have discovered a bacterium that infects tomatoes by injecting a special protein into the plant's cells and undermines the plant's defense system.
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