Now it emerges that expression of Zfh-1 identifies a population of muscle-associated cells in the adult that retain progenitor-like properties
Drosophila notably differs because their satellite-like cells do not express the Pax3/Pax7 homologue (gooseberry; data not shown), considered a canonical marker in mammals and some other organisms (Chang and Rudnicki, 2014).
Nor do they express the promyogenic bHLH protein Twist (data not shown), which is present in the muscle progenitors in the embryo
The concept that signaling can differentially regulate RNA sub-types has so far been little explored but our results suggest that is potentially of considerable significance.
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