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Cytoskeleton (Hoboken). 2016 Oct;73(10):596-611. doi: 10.1002/cm.21300. Epub 2016 May 20.

Microtubule and microtubule associated protein anomalies in psychiatric disease.

Author information

1
Turku Centre for Biotechnology, Åbo Akademi University and University of Turku, Finland.
2
Turku Centre for Biotechnology, Åbo Akademi University and University of Turku, Finland. ecoffey@btk.fi.

Abstract

Anomalies in neuronal cell architecture, in particular dendritic complexity and synaptic density changes, are widely observed in the brains of subjects with schizophrenia or mood disorders. The concept that a disturbed microtubule cytoskeleton underlies these abnormalities and disrupts synaptic connectivity is supported by evidence from clinical studies and animal models. Prominent changes in tubulin expression levels are commonly found in disease specific regions such as the hippocampus and prefrontal cortex of psychiatric patients. Genetic linkage studies associate tubulin-binding proteins such as the dihydropyrimidinase family with an increased risk to develop schizophrenia and bipolar disorder. For many years, altered immunoreactivity of microtubule associated protein-2 has been a hallmark found in the brains of individuals with schizophrenia. In this review, we present a growing body of evidence that connects a dysfunctional microtubule cytoskeleton with neuropsychiatric illnesses. Findings from animal models are discussed together with clinical data with a particular focus on tubulin post-translational modifications and on microtubule-binding proteins.

KEYWORDS:

JNK; MAP2; depression; microtubule; schizophrenia

PMID:
27112918
DOI:
10.1002/cm.21300
[Indexed for MEDLINE]

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