expresses expresses neuron of the substantia nigra GABAergic interneuron of the posterior substantia nigra pars reticulata 2024-09-23T14:49:11Z pSNpr A GABAergic interneuron that has its soma in the posterior section of the substantia nigra pars reticulata. This GABAergic interneuron is characterised by the expression of the transcription factors Pax5, Ctip2 and Pou6f2 and it develops from the ventrolateral r1 neuroepithelium expresing NKX61. paired box protein PAX-5