Abstract
The TCF4 gene encodes 'Transcription Factor 4 (TCF4)', a bHLH protein important for the regulation of proliferation and differentiation of neural progenitor cells and neuronal function. TCF4 polymorphisms have been associated with several neuropsychiatric disorders, such as autism, schizophrenia, bipolar disorder, and major depressive disorder. Moreover, TCF4 haploinsufficiency results in…