Specification of Motor Neuron Identity by the MNR2 Homeodomain Protein

  title={Specification of Motor Neuron Identity by the MNR2 Homeodomain Protein},
  author={Yasuto Tanabe and Christopher M. William and Thomas M. Jessell},
Sonic hedgehog signaling controls the differentiation of motor neurons in the ventral neural tube, but the intervening steps are poorly understood. A differential screen of a cDNA library derived from a single Shh-induced motor neuron has identified a novel homeobox gene, MNR2, expressed by motor neuron progenitors and transiently by postmitotic motor neurons. The ectopic expression of MNR2 in neural cells initiates a program of somatic motor neuron differentiation characterized by the… CONTINUE READING
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