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Cutthroat Cellular Conflict Shapes Healthy Skin Development

News   May 16, 2019 | Original story by The Rockefeller University

Tissue Morphogenesis Shaped by Distinct Modes of Cell Competition

In developing skin, “loser” cells die when they come into contact with “winner” cells. Here, a winner (red) engulfs a loser (green) following its demise. Image credit: The Rockefeller Center



Gastric Stem Cells Fight Bacteria to Protect Themselves Against Cancer


Stem cells are not only key players in tissue regeneration, they are also capable of taking direct action against bacteria. By actively fighting colonizing bacteria, gastric stem cells protect themselves against damage that can lead to cancer.


Bacteria From the Microbiome of Athletes May Enhance Exercise Performance


Researchers have pinpointed one specific group of bacteria, called Veillonella, that they found was enriched in the gut microbiome of Boston Marathon runners after completing the 26.2 mile race and in an independent group of 87 elite and Olympic athletes after competitions. Veillonella bacteria isolated from marathon athletes and given to mice increased the animals’ performances in laboratory treadmill tests by 13% compared to control bacteria.


Platform Records Cellular Gossip


Using the platform, researchers recorded the proteins that were secreted by these stem cells, and how these secretions changed with time. The information was used to create a protein cocktail, raising the possibility of aiding an injury without the use of stem cells.



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