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Title: Genetic association studies of glutamate, GABA and related genes in schizophrenia and bipolar disorder: A decade of advance
Authors: Cherlyn, S.Y.T.
Woon, P.S.
Sim, K.
Liu, J.J.
Ong, W.Y. 
Tsai, G.C.
Keywords: Bipolar disorder
Issue Date: 2010
Citation: Cherlyn, S.Y.T., Woon, P.S., Sim, K., Liu, J.J., Ong, W.Y., Tsai, G.C. (2010). Genetic association studies of glutamate, GABA and related genes in schizophrenia and bipolar disorder: A decade of advance. Neuroscience and Biobehavioral Reviews 34 (6) : 958-977. ScholarBank@NUS Repository.
Abstract: Schizophrenia (SZ) and bipolar disorder (BD) are debilitating neurobehavioural disorders likely influenced by genetic and non-genetic factors and which can be seen as complex disorders of synaptic neurotransmission. The glutamatergic and GABAergic neurotransmission systems have been implicated in both diseases and we have reviewed extensive literature over a decade for evidence to support the association of glutamate and GABA genes in SZ and BD. Candidate-gene based population and family association studies have implicated some ionotrophic glutamate receptor genes (GRIN1, GRIN2A, GRIN2B and GRIK3), metabotropic glutamate receptor genes (such as GRM3), the G72/G30 locus and GABAergic genes (e.g. GAD1 and GABRB2) in both illnesses to varying degrees, but further replication studies are needed to validate these results. There is at present no consensus on specific single nucleotide polymorphisms or halpotypes associated with the particular candidate gene loci in these illnesses. The genetic architecture of glutamate systems in bipolar disorder need to be better studied in view of recent data suggesting an overlap in the genetic aetiology of SZ and BD. There is a pressing need to integrate research platforms in genomics, epistatic models, proteomics, metabolomics, neuroimaging technology and translational studies in order to allow a more integrated understanding of glutamate and GABAergic signalling processes and aberrations in SZ and BD as well as their relationships with clinical presentations and treatment progress over time. © 2010 Elsevier Ltd.
Source Title: Neuroscience and Biobehavioral Reviews
ISSN: 01497634
DOI: 10.1016/j.neubiorev.2010.01.002
Appears in Collections:Staff Publications

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