Abstract
In the brain, the primary phospholipase C (PLC) proteins, PLCβ, and PLCγ, are activated primarily by neurotransmitters, neurotrophic factors, and hormones through G protein-coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs). Among the primary PLC isozymes, PLCβ1, PLCβ4, and PLCγ1 are highly expressed and differentially distributed, suggesting a specific role for each PLC subtype in different regions of the brain. Primary PLCs control neuronal activity, which is important for synapse function and development. In addition, dysregulation of primary PLC signaling is linked to several brain disorders including epilepsy, schizophrenia, bipolar disorder, Huntington's disease, depression and Alzheimer's disease. In this review, we included current knowledge regarding the roles of primary PLC isozymes in brain disorders.
Keywords:
Brain disorder; PLCβ1; PLCβ4; PLCγ1; Phospholipase C.
Copyright © 2015 Elsevier Ltd. All rights reserved.
MeSH terms
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Alzheimer Disease / enzymology
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Alzheimer Disease / genetics
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Alzheimer Disease / pathology
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Bipolar Disorder / enzymology
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Bipolar Disorder / genetics
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Bipolar Disorder / pathology
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Brain / enzymology*
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Brain / pathology
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Depression / enzymology
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Depression / genetics
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Depression / pathology
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Epilepsy / enzymology
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Epilepsy / genetics
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Epilepsy / pathology
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Gene Expression Regulation
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Humans
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Huntington Disease / enzymology
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Huntington Disease / genetics
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Huntington Disease / pathology
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Nerve Growth Factors / genetics
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Nerve Growth Factors / metabolism
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Neurotransmitter Agents / metabolism
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Phospholipase C beta / genetics*
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Phospholipase C beta / metabolism
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Phospholipase C gamma / genetics*
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Phospholipase C gamma / metabolism
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Receptors, G-Protein-Coupled / genetics
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Receptors, G-Protein-Coupled / metabolism
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Schizophrenia / enzymology
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Schizophrenia / genetics
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Schizophrenia / pathology
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Signal Transduction*
Substances
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Nerve Growth Factors
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Neurotransmitter Agents
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Receptors, G-Protein-Coupled
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PLCB1 protein, human
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PLCB4 protein, human
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PLCG1 protein, human
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Phospholipase C beta
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Phospholipase C gamma