Oligodendrocyte transcription factor 3 (OLIG3)

Oligodendrocyte transcription factor 3 (OLIG3) is a protein-coding gene that encodes a basic helix-loop-helix (bHLH) transcription factor involved in neural development, especially in specifying neuron types within the spinal cord and cerebellum[1][2][3]. OLIG3 binds DNA in a sequence-specific manner and regulates both positive and negative transcriptional programs downstream of RNA polymerase II. It is expressed in neural progenitor cells, playing a critical role in the fate specification of class A neurons, generation and proliferation of cerebellar neuron subtypes (such as Purkinje cells and granule cells), and suppression of alternate interneuron identities via Pax2 repression[2]. Disruption of OLIG3 in animal models leads to drastic cerebellar hypoplasia, improper neuron specification, and compounding neurological deficits, underscoring its essential role in neural maturation and maintenance. While OLIG3 is implicated in neurological disorders and developmental diseases, there are no therapeutic agents targeting it, nor is it used as a clinical biomarker[1][2][5].

Other names

OLIG3BHLHB7BHLHE20Oligo3bHLHb7bHLHe20Bhlhb7Class B basic helix-loop-helix protein 7Class E basic helix-loop-helix protein 20

Not applicable. No drugs or small molecules are known to modulate OLIG3 activity.