Molecular alterations in the medial temporal lobe in schizophrenia

Anastasia M. Bobilev, Jessica M. Perez, Carol A. Tamminga

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

The medial temporal lobe (MTL) and its individual structures have been extensively implicated in schizophrenia pathophysiology, with considerable efforts aimed at identifying structural and functional differences in this brain region. The major structures of the MTL for which prominent differences have been revealed include the hippocampus, the amygdala and the superior temporal gyrus (STG). The different functions of each of these regions have been comprehensively characterized, and likely contribute differently to schizophrenia. While neuroimaging studies provide an essential framework for understanding the role of these MTL structures in various aspects of the disease, ongoing efforts have sought to employ molecular measurements in order to elucidate the biology underlying these macroscopic differences. This review provides a summary of the molecular findings in three major MTL structures, and discusses convergent findings in cellular architecture and inter-and intra-cellular networks. The findings of this effort have uncovered cell-type, network and gene-level specificity largely unique to each brain region, indicating distinct molecular origins of disease etiology. Future studies should test the functional implications of these molecular changes at the circuit level, and leverage new advances in sequencing technology to further refine our understanding of the differential contribution of MTL structures to schizophrenia.

Original languageEnglish (US)
Pages (from-to)71-85
Number of pages15
JournalSchizophrenia Research
Volume217
DOIs
StatePublished - Mar 2020

Keywords

  • Amygdala
  • Hippocampus
  • Psychosis
  • Schizophrenia
  • Sequencing
  • Superior temporal gyrus

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

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