This Matrix Delivers Healing Stem Cells to Injured Elderly Muscles

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Hydrogel delivered stem cells called muscle satellite cells integrate to form new muscle strands, in green, along with existing muscle tissue, in red. Yellow strands may descend from existing muscle cells and from delivered MuSCs.

First author Woojin Han observes muscle tissue samples treated with the new MuSC nanohydrogel. Credit: Georgia Tech / Christopher Moore 

Principal investigator Young Jang, left, with first author Woojin Han in Jang's lab at Georgia Tech. On screen, a muscle tissue sample showing the success of their experiment. Credit: Georgia Tech / Christopher Moore

Muscle satellite (stem) cells, in green, affixed to an injured muscle strand by the nanohydrogel.