Stem cells can turn into heart cells, skin cells can mutate to cancer cells; even cells of the same tissue type exhibit small heterogeneities. Scientists use single-cell analysis to investigate these heterogeneities. But ...
Cell & Microbiology
Jan 23, 2014
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The Wnt/β-catenin signaling pathway and microRNA 335 are instrumental in helping form differentiated progenitor cells from stem cells. These are organized in germ layers and are thus the origin of different tissue types, ...
Cell & Microbiology
Jan 23, 2014
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The human body is daily exposed to external assaults such as bacteria, ultraviolet light or chemical agents. Skin, the largest organ of the body, is the first line of defense against these agents. Skin performs this function ...
Cell & Microbiology
Jan 16, 2014
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Researchers at UCLA's Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research have discovered a mechanism by which certain adult stem cells suppress their ability to initiate skin cancer during their dormant ...
Cell & Microbiology
Dec 20, 2013
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Female mosquitoes, which can transmit deadly diseases like malaria, dengue fever, West Nile virus and filariasis, are attracted to us by smelling the carbon dioxide we exhale, being capable of tracking us down even from a ...
Cell & Microbiology
Dec 5, 2013
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With few exceptions, cells don't change type once they have become specialized—a heart cell, for example, won't suddenly become a brain cell. However, new findings by researchers at UC Santa Barbara have identified a method ...
Cell & Microbiology
Dec 4, 2013
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He's 8 years old, brown black, has a sense of humor, is very patient, tall—about 16.3 hands—and has a gorgeous tail. His name is Paco and not what you'd envision as a patient in a clinical trial using a novel, cutting-edge ...
Plants & Animals
Nov 12, 2013
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Nitric oxide (NO) is one of the most important signaling molecules in living cells, carrying messages within the brain and coordinating immune system functions. In many cancerous cells, levels are perturbed, but very little ...
Bio & Medicine
Nov 3, 2013
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One of the obstacles to employing human embryonic stem cells for medical use lies in their very promise: They are born to rapidly differentiate into other cell types. Until now, scientists have not been able to efficiently ...
Cell & Microbiology
Oct 31, 2013
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A fungus that is killing frogs and other amphibians around the world releases a toxic factor that disables the amphibian immune response, Vanderbilt University investigators report Oct. 18 in the journal Science.
Plants & Animals
Oct 17, 2013
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