Two Signals -- From Within And Out Of Cell -- Specify Motor Neuron Differentiation
Monday, June 15, 2009 - 11:21
in Biology & Nature
Two signals -- an external one from retinoic acid and an internal one from the transcription factor Neurogenin2 -- cooperate to activate chromatin (the basic material of chromosomes), and help determine that certain nerve progenitor cells become motor neurons, according to new research.