Abstract
PLP1 is one of the major myelin-related genes. A large body of expression-based studies showed significantly lower levels of the PLP1 messenger ribonucleic acid (mRNA) transcripts in schizophrenia. Moreover, one family-based study identified a weak association signal in a male subset using 487 Chinese family trios. We carried out a population-based association study between PLP1 and schizophrenia in 1,640 subjects. Our data does not support genetic variation in close vicinity or within PLP1 locus as a susceptibility factor.
Log in or create a free account to read this content
Gain free access to this article, as well as selected content from this journal and more on nature.com
or
References
Aberg K, Saetre P, Jareborg N, Jazin E (2006) Human QKI, a potential regulator of mRNA expression of human oligodendrocyte-related genes involved in schizophrenia. Proc Natl Acad Sci USA 103:7482–7487
Aston C, Jiang L, Sokolov BP (2004) Microarray analysis of postmortem temporal cortex from patients with schizophrenia. J Neurosci Res 77:858–866
Barrett JC, Fry B, Maller J, Daly MJ (2005) Haploview: analysis and visualization of LD and haplotype maps. Bioinformatics 21:263–265
Dudbridge F (2003) Pedigree disequilibrium tests for multilocus haplotypes. Genet Epidemiol 25:115–121
Gabriel SB, Schaffner SF, Nguyen H, Moore JM, Roy J, Blumenstiel B, Higgins J, DeFelice M, Lochner A, Faggart M, Liu-Cordero SN, Rotimi C, Adeyemo A, Cooper R, Ward R, Lander ES, Daly MJ, Altshuler D (2002) The structure of haplotype blocks in the human genome. Science 296:2225–2229
Haroutunian V, Katsel P, Dracheva S, Davis KL (2006) The human homolog of the QKI gene affected in the severe dysmyelination “quaking” mouse phenotype: downregulated in multiple brain regions in schizophrenia. Am J Psychiatry 163:1834–1837
Iwamoto K, Bundo M, Yamada K, Takao H, Iwayama-Shigeno Y, Yoshikawa T, Kato T (2005) DNA methylation status of SOX10 correlates with its downregulation and oligodendrocyte dysfunction in schizophrenia. J Neurosci 25:5376–5381
Johnson VP, Carpenter NJ, Kelts KA (1991) Pelizaeus-Merzbacher disease: clinical and DNA-linkage study of an extended family. Am J Med Genet 41:355–361
Klugmann M, Schwab MH, Puhlhofer A, Schneider A, Zimmermann F, Griffiths IR, Nave KA (1997) Assembly of CNS myelin in the absence of proteolipid protein. Neuron 18:59–70
Lander ES (1996) The new genomics: global views of biology. Science 274:536–539
Le-Niculescu H, Balaraman Y, Patel S, Tan J, Sidhu K, Jerome RE, Edenberg HJ, Kuczenski R, Geyer MA, Nurnberger JI Jr, Faraone SV, Tsuang MT, Niculescu AB (2007) Towards understanding the schizophrenia code: an expanded convergent functional genomics approach. Am J Med Genet B Neuropsychiatr Genet 144:129–158
Neale BM, Sham PC (2004) The future of association studies: gene-based analysis and replication. Am J Hum Genet 75:353–362
Qin W, Gao J, Xing Q, Yang J, Qian X, Li X, Guo Z, Chen H, Wang L, Huang X, Gu N, Feng G, He L (2005) A family-based association study of PLP1 and schizophrenia. Neurosci Lett 375:207–210
Skol AD, Scott LJ, Abecasis GR, Boehnke M (2006) Joint analysis is more efficient than replication-based analysis for two-stage genome-wide association studies. Nat Genet 38:209–213
Sokolov BP (2007) Oligodendroglial abnormalities in schizophrenia, mood disorders and substance abuse. Comorbidity, shared traits, or molecular phenocopies? Int J Neuropsychopharmacol 10:547–555
Stewart DG, Davis KL (2004) Possible contributions of myelin and oligodendrocyte dysfunction to schizophrenia. Int Rev Neurobiol 59:381–424
Tkachev D, Mimmack ML, Ryan MM, Wayland M, Freeman T, Jones PB, Starkey M, Webster MJ, Yolken RH, Bahn S (2003) Oligodendrocyte dysfunction in schizophrenia and bipolar disorder. Lancet 362:798–805
Zheng G, Joo J, Zhang C, Geller NL (2007) Testing association for markers on the X chromosome. Genet Epidemiol 31:834–843
Acknowledgments
This work was supported in part by research grants from the Ministry of Education, Culture, Sports, Science and Technology of Japan, the Ministry of Health of Japan, Labor and Welfare, Grant-in-Aid for Scientific Research on Pathomechanisms of Brain Disorders from the Ministry of Education, Culture, Sports, Science and Technology of Japan, MEXT Academic Frontier, the Japan Health Sciences Foundation (Research on Health Sciences focusing on Drug Innovation), and the Core Research for Evolutional Science and Technology.
Conflict of interest statement
None declared.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Aleksic, B., Ikeda, M., Ishihara, R. et al. No association between the oligodendrocyte-related gene PLP1 and schizophrenia in the Japanese population. J Hum Genet 53, 863–866 (2008). https://doi.org/10.1007/s10038-008-0318-7
Received:
Accepted:
Published:
Issue date:
DOI: https://doi.org/10.1007/s10038-008-0318-7
Keywords
This article is cited by
-
Oxidative stress, prefrontal cortex hypomyelination and cognitive symptoms in schizophrenia
Translational Psychiatry (2017)