title: Cloning and characterization of Disc1, the mouse ortholog of DISC1 (Disrupted-in-Schizophrenia 1).
abstract: We cloned the mouse ortholog of DISC1 (Disrupted-in-Schizophrenia 1), a candidate gene for schizophrenia. Disc1 is 3163 nucleotides long and has 60% identity with the human DISC1. Disc1 encodes 851 amino acids and has 56% identity with the human protein. Disc1 maps to the DISC1 syntenic region in the mouse, and genomic structure is conserved. A Disc1 splice variant deletes a portion of Disc1 beginning at amino acids orthologous to the human truncation. Bioinformatic analysis and cross-species comparisons revealed sequence conservation distributed across the genes and conservation of leucine zipper and coiled-coil domains in both orthologs. In situ hybridization in adult mouse brain revealed a restricted expression pattern, with highest levels in the dentate gyrus of the hippocampus and lower expression in CA1-CA3 of the hippocampus, cerebellum, cerebral cortex, and olfactory bulbs. Identification of Disc1 will facilitate the study of DISC1's function and creation of mouse models of DISC1 disruption.
authors.affiliation: Department of Neuroscience, West Point, Pennsylvania 19486, USA.
authors.forename: Lei
authors.initials: L
authors.lastname: Ma
authors.forename: Yuan
authors.initials: Y
authors.lastname: Liu
authors.forename: Betty
authors.initials: B
authors.lastname: Ky
authors.forename: Paul J
authors.initials: PJ
authors.lastname: Shughrue
authors.forename: Christopher P
authors.initials: CP
authors.lastname: Austin
authors.forename: Jill A
authors.initials: JA
authors.lastname: Morris
mesh_terms: D017398:Alternative Splicing; D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D015152:Blotting, Northern; D001921:Brain / Q000378:metabolism; D002874:Chromosome Mapping; D002878:Chromosomes, Human, Pair 1 / Q000235:genetics; D003001:Cloning, Molecular; D018076:DNA, Complementary / Q000737:chemistry / Q000235:genetics; D005091:Exons; D015870:Gene Expression; D005796:Genes / Q000235:genetics; D006801:Humans; D017403:In Situ Hybridization; D007438:Introns; D008297:Male; D051379:Mice; D008969:Molecular Sequence Data; D009419:Nerve Tissue Proteins / Q000235:genetics*; D012333:RNA, Messenger / Q000235:genetics / Q000378:metabolism; D051381:Rats; D016415:Sequence Alignment; D017422:Sequence Analysis, DNA; D017386:Sequence Homology, Amino Acid; D026801:Synteny
chemical_list: C412476:DISC1 protein, human; D018076:DNA, Complementary; C498794:Disc1 protein, mouse; C498795:Disc1 protein, rat; D009419:Nerve Tissue Proteins; D012333:RNA, Messenger