Forkhead box protein G1 (FOXG1)

Forkhead box protein G1 (FOXG1) is a transcriptional repressor of the forkhead box (FOX) family, featuring a distinct forkhead DNA-binding domain. It is critically important in embryonic brain development, especially for the telencephalon, which forms major forebrain structures such as the cerebrum. FOXG1 directs numerous neurodevelopmental processes including neuron differentiation, neuroblast proliferation, and regional brain patterning. Pathogenic mutations in FOXG1 cause FOXG1 syndrome, a congenital variant of Rett syndrome that results in early infantile neurodevelopmental abnormalities, brain structural defects, and often severe intellectual disability and seizures. FOXG1 also interacts with chromatin regulators such as JARID1B and may play a role as an oncogenic factor in cancers like glioblastoma by promoting proliferation and inhibiting differentiation[1][2][3][5][6].

Other names

Brain factor 1Forkhead-related protein FKHL1BF-1FKHL1