iPSC-derived homogeneous populations of developing schizophrenia cortical interneurons have compromised mitochondrial function

Peiyan Ni, Haneul Noh, Gun Hoo Park, Zhicheng Shao, Youxin Guan, James M. Park, Sophy Yu, Joy S. Park, Joseph T. Coyle, Daniel Weinberger, Richard E. Straub, Bruce M. Cohen, Donna L. McPhie, Changhong Yin, Weihua Huang, Hae Young Kim, Sangmi Chung

Research output: Contribution to journalArticle

Abstract

Schizophrenia (SCZ) is a neurodevelopmental disorder. Thus, studying pathogenetic mechanisms underlying SCZ requires studying the development of brain cells. Cortical interneurons (cINs) are consistently observed to be abnormal in SCZ postmortem brains. These abnormalities may explain altered gamma oscillation and cognitive function in patients with SCZ. Of note, currently used antipsychotic drugs ameliorate psychosis, but they are not very effective in reversing cognitive deficits. Characterizing mechanisms of SCZ pathogenesis, especially related to cognitive deficits, may lead to improved treatments. We generated homogeneous populations of developing cINs from 15 healthy control (HC) iPSC lines and 15 SCZ iPSC lines. SCZ cINs, but not SCZ glutamatergic neurons, show dysregulated Oxidative Phosphorylation (OxPhos) related gene expression, accompanied by compromised mitochondrial function. The OxPhos deficit in cINs could be reversed by Alpha Lipoic Acid/Acetyl-L-Carnitine (ALA/ALC) but not by other chemicals previously identified as increasing mitochondrial function. The restoration of mitochondrial function by ALA/ALC was accompanied by a reversal of arborization deficits in SCZ cINs. OxPhos abnormality, even in the absence of any circuit environment with other neuronal subtypes, appears to be an intrinsic deficit in SCZ cINs.

Original languageEnglish (US)
JournalMolecular psychiatry
DOIs
StatePublished - Jan 1 2019

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Interneurons
Schizophrenia
Population
Oxidative Phosphorylation
Acetylcarnitine
Thioctic Acid
Substance-Induced Psychoses
Brain
Cognition
Antipsychotic Agents
Gene Expression
Neurons

ASJC Scopus subject areas

  • Molecular Biology
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience

Cite this

iPSC-derived homogeneous populations of developing schizophrenia cortical interneurons have compromised mitochondrial function. / Ni, Peiyan; Noh, Haneul; Park, Gun Hoo; Shao, Zhicheng; Guan, Youxin; Park, James M.; Yu, Sophy; Park, Joy S.; Coyle, Joseph T.; Weinberger, Daniel; Straub, Richard E.; Cohen, Bruce M.; McPhie, Donna L.; Yin, Changhong; Huang, Weihua; Kim, Hae Young; Chung, Sangmi.

In: Molecular psychiatry, 01.01.2019.

Research output: Contribution to journalArticle

Ni, P, Noh, H, Park, GH, Shao, Z, Guan, Y, Park, JM, Yu, S, Park, JS, Coyle, JT, Weinberger, D, Straub, RE, Cohen, BM, McPhie, DL, Yin, C, Huang, W, Kim, HY & Chung, S 2019, 'iPSC-derived homogeneous populations of developing schizophrenia cortical interneurons have compromised mitochondrial function', Molecular psychiatry. https://doi.org/10.1038/s41380-019-0423-3
Ni, Peiyan ; Noh, Haneul ; Park, Gun Hoo ; Shao, Zhicheng ; Guan, Youxin ; Park, James M. ; Yu, Sophy ; Park, Joy S. ; Coyle, Joseph T. ; Weinberger, Daniel ; Straub, Richard E. ; Cohen, Bruce M. ; McPhie, Donna L. ; Yin, Changhong ; Huang, Weihua ; Kim, Hae Young ; Chung, Sangmi. / iPSC-derived homogeneous populations of developing schizophrenia cortical interneurons have compromised mitochondrial function. In: Molecular psychiatry. 2019.
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