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A systematic investigation of the protein kinases involved in NMDA receptor-dependent LTD: evidence for a role of GSK-3 but not other serine/threonine kinases

Peineau, Stéphane, Nicolas, Céline, Bortolotto, Zuner, Bhat, Ratan, Ryves, William Jonathan, Harwood, Adrian John, Dournaud, Pascal, Fitzjohn, Stephen and Collingridge, Graham 2009. A systematic investigation of the protein kinases involved in NMDA receptor-dependent LTD: evidence for a role of GSK-3 but not other serine/threonine kinases. Molecular Brain 2 (1) , 22. 10.1186/1756-6606-2-22

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Abstract

Background: The signalling mechanisms involved in the induction of N-methyl-D-aspartate (NMDA) receptor-dependent long-term depression (LTD) in the hippocampus are poorly understood. Numerous studies have presented evidence both for and against a variety of second messengers systems being involved in LTD induction. Here we provide the first systematic investigation of the involvement of serine/threonine (ser/thr) protein kinases in NMDAR-LTD, using whole-cell recordings from CA1 pyramidal neurons. Results: Using a panel of 23 inhibitors individually loaded into the recorded neurons, we can discount the involvement of at least 57 kinases, including PKA, PKC, CaMKII, p38 MAPK and DYRK1A. However, we have been able to confirm a role for the ser/thr protein kinase, glycogen synthase kinase 3 (GSK-3). Conclusion: The present study is the first to investigate the role of 58 ser/thr protein kinases in LTD in the same study. Of these 58 protein kinases, we have found evidence for the involvement of only one, GSK-3, in LTD.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: Q Science > Q Science (General)
Publisher: Biomed Central
ISSN: 1756-6606
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 03:41
URI: http://orca-mwe.cf.ac.uk/id/eprint/24956

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