Paired box protein Pax-1 (PAX1)

Paired box protein Pax-1 (PAX1) is a member of the PAX family of transcription factors characterized by a paired box DNA-binding domain. PAX1 is essential for embryonic development, especially for formation of the vertebral column and for patterning segmental structures during early fetal development. It is also involved in the differentiation of tissues derived from the pharyngeal pouches, such as the thymus and parathyroid glands. Mutations or altered regulation of PAX1 are associated with congenital skeletal abnormalities and certain immunodeficiency disorders. In cancer biology, PAX1 primarily acts as a tumor suppressor; its inactivation by promoter hypermethylation is observed in cervical, ovarian, and oral cancers, and this methylation serves as a biomarker for early detection and prognosis, particularly in cervical cancer. PAX1 contributes to maintaining homeostasis between kinase and phosphatase signaling in cells, inhibiting oncogenic pathways when expressed[1][2][3][4].

Other names

PAX1HUP48OFC2paired box 1