Zinc finger C4H2-type containing protein (ZC4H2) (ZC4H2)

Zinc finger C4H2-type containing protein (ZC4H2) is a highly conserved protein essential for the development of the central and peripheral nervous systems, particularly in the formation of the spinal cord and neuromuscular junctions (UniProt Q9NQZ6). It is located on the X chromosome (Xq11.2) and is known to interact with the Bone Morphogenetic Protein (BMP) signaling pathway, influencing the differentiation of motor neurons and interneurons (Hirata et al., 2013, Am J Hum Genet). Mutations in the ZC4H2 gene are the primary cause of ZC4H2-associated rare disorders (ZARD), a group of conditions that include Wieacker-Wolff syndrome and Miles-Carpenter syndrome (OMIM 300897). These disorders are characterized by arthrogryposis multiplex congenita, muscle weakness, and varying degrees of intellectual disability (PubMed: 23830144). Currently, ZC4H2 is not a target for any approved small-molecule drugs, but it is a significant focus for gene therapy research and potential antisense oligonucleotide (ASO) development aimed at correcting the underlying genetic defects (ZARD Foundation). Therapeutic challenges include the protein's critical role during early embryonic development and the potential for dosage-related toxicity if over-expressed.

Other names

Zinc finger protein 402ZNF402HCA127Hepatocellular carcinoma-associated antigen 127Zinc finger C4H2 domain-containing protein

There are currently no approved drugs targeting ZC4H2; therapeutic research focuses on gene replacement therapy and the modulation of downstream BMP signaling pathways to restore neural development.