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miR-133b and Pitx3 form a negative feedback loop.
Notes: Summary of the regulation of DA neuronal events in the brain within a negative feedback loop. The transcription factor Pitx3 induces transcription of miR-133b during neural differentiation, which in turn represses Pitx3.
Abbreviations: DA, dopaminergic; Pitx3, pituitary homeobox 3.
