MIR137HG risk variant rs1625579 genotype is related to corpus callosum volume in schizophrenia

Veena S. Patel, Sinead Kelly, Carrie Wright, Cota Navin Gupta, Alejandro Arias-Vasquez, Nora Perrone-Bizzozero, Stefan Ehrlich, Lei Wang, Juan R. Bustillo, Derek Morris, Aiden Corvin, Dara M. Cannon, Colm McDonald, Gary Donohoe, Vince D. Calhoun, Jessica A. Turner

Research output: Contribution to journalArticlepeer-review


Genome-wide association studies implicate the MIR137HG risk variant rs1625579 (MIR137HGrv) within the host gene for microRNA-137 as a potential regulator of schizophrenia susceptibility. We examined the influence of MIR137HGrv genotype on 17 subcortical and callosal volumes in a large sample of individuals with schizophrenia and healthy controls (n = 841). Although the volumes were overall reduced relative to healthy controls, for individuals with schizophrenia the homozygous MIR137HGrv risk genotype was associated with attenuated reduction of mid-posterior corpus callosum volume (p = 0.001), along with trend-level effects in the adjacent central and posterior corpus callosum. These findings are unique in the literature and remain robust after analysis in ethnically homogenous and single-scanner subsets of the larger sample. Thus, our study suggests that the mechanisms whereby MIR137HGrv works to increase schizophrenia risk are not those that generate the corpus callosum volume reductions commonly found in the disorder.

Original languageEnglish (US)
Pages (from-to)44-49
Number of pages6
JournalNeuroscience Letters
StatePublished - Aug 8 2015


  • Corpus callosum
  • MIR137
  • MicroRNA-137
  • Multi-site
  • Schizophrenia
  • Subcortical volume

ASJC Scopus subject areas

  • Neuroscience(all)


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