_:vb50942746 . _:vb50942746 "url:https://www.ncbi.nlm.nih.gov/pubmed/9497259"^^ . _:vb50942746 "A cataract that has_material_basis_in heterozygous mutation in the gene encoding the alpha-8 subunit of the gap junction protein (GJA8) on chromosome 1q21."^^ . _:vb50942746 . _:vb50942746 . _:vb50942746 . _:vb50942746 .