All Articles Tagged As: stem cells
Plant architecture from the genomics toolbox
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Research uncovers critical molecular events underlying reprogramming of differentiated cells to a stem cell state
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 | Every minute, 30,000 of our outermost skin cells die so that we can live. When they do, new cells migrate from the inner layer of the skin to the surface of it, where they form a tough protective barrier. In a series of elegant experiments in mice, researchers at Rockefeller University have now discovered a tiny RNA molecule that helps create this barrier. The results not only yield new insight into how skin first evolved, but also suggest how healthy cells can turn cancerous. ...> Full Article |
A gene that "wakes up" the blood system's stem cells in times of stress also plays an important role in protecting against infection, said researchers from Baylor College of Medicine in Houston, the National Institute of Allergy and Infectious Disease and Duke University Medical School in a report that appears in the journal Cell Stem Cell.
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 | Genes, it turns out, are only as active as the signals that turn them on and off. Now scientists from Rockefeller University have identified the signaling molecule that ratchets up and clamps down the activity of key genes in dermal papilla, a type of skin cell whose unique collection of proteins ultimately instruct epithelial stem cells to make hair. ...> Full Article |
Scientists have accidentally discovered the genetics behind how we develop a front and back.
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The Stowers Institute's Trainor Lab has demonstrated the role of a gene important to the embryonic development of the nervous system, a process that requires coordination of differentiation of immature neural cells with the cycle of cell division that increases their numbers. Until now, the mechanisms regulating these distinct cellular activities have been poorly understood. The findings will be published in the Feb. 15 issue of Development.
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