The function of Pitx3 and miRNAs in the development of midbrain dopaminergic (mDA) neurons and mid-/hindbrain is not well known. Here I demonstrate that the transcription factor Pitx3, induced by GDNF signaling, directly controls the expression of BDNF in a subpopulation of mDA neurons to maintain the survival of these cells, and that miRNAs are required for the differentiation and survival of mDA neurons, as well as other neuronal populations residing in the ventral mid-/hindbrain, but not for the correct patterning of mouse mid-/hindbrain region, and that miR-200 family promotes neuronal differentiation of neural progenitors via downregulating the expression of Sox2 and E2F3.
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The function of Pitx3 and miRNAs in the development of midbrain dopaminergic (mDA) neurons and mid-/hindbrain is not well known. Here I demonstrate that the transcription factor Pitx3, induced by GDNF signaling, directly controls the expression of BDNF in a subpopulation of mDA neurons to maintain the survival of these cells, and that miRNAs are required for the differentiation and survival of mDA neurons, as well as other neuronal populations residing in the ventral mid-/hindbrain, but not for...
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