Bacteria have evolved thousands of clever tactics for invading our bodies while evading our natural defenses. Now, UNC School of Medicine scientists studying one of the world's most virulent pathogens and a separate very ...
Cell & Microbiology
Feb 16, 2016
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When our organs age or wear out, their renewal usually depends on a few stem cells in the tissue, because the vast majority of differentiated cells have lost their ability to divide and generate new cells. A German-French ...
Cell & Microbiology
Jan 21, 2016
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Scientists have shown that a process known as oxidative stress is at work during encounters between certain nanoparticles and immune cells, selectively modifying proteins on macrophages, a type of immune cell. The findings, ...
Bio & Medicine
Jan 14, 2016
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(Phys.org)—Every organ strikes its own balance between self-renewal and differentiation. At one extreme is the brain, where only a few isolated outposts are known to contribute to a largely quiescent population. At another ...
Restoring hair loss is a task undertaken not only by beauty practitioners. Previous studies have identified signals from the skin that help prompt new phases of hair growth. However, how different types of cells that reside ...
Cell & Microbiology
Dec 23, 2014
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Stanford University School of Medicine scientists have shown how salmonella—a bacterial menace responsible for hundreds of thousands of deaths each year from typhoid fever and food poisoning—manages to hide out in immune ...
Cell & Microbiology
Aug 14, 2013
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A study investigating the function of the recently discovered enhancer RNA molecules may open new avenues for gene therapy. According to the study researchers, altering the production and function of these molecules could ...
Cell & Microbiology
Aug 13, 2013
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Biologists at the California Institute of Technology (Caltech) have worked out the details of a mechanism that leads undifferentiated blood stem cells to become macrophages—immune cells that attack bacteria and other foreign ...
Cell & Microbiology
Jul 18, 2013
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Scientists have found a way to sneak nanoparticles carrying tumor-fighting drugs past cells of the immune system, which would normally engulf the particles, preventing them from reaching their target. The technique takes ...
Bio & Medicine
Jul 17, 2013
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(Phys.org) —Activating the body's immune system to attack cancer and prevent it from recurring is one of the Holy Grails of cancer research because of its ability to specifically target cancer and to search almost anywhere ...
Bio & Medicine
Jul 15, 2013
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