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Loss of CRMP2 O-GlcNAcylation leads to reduced novel object recognition performance in mice

Muha, Villo, Williamson, Ritchie, Hills, Rachel, McNeilly, Alison D., McWilliams, Thomas G., Alonso, Jana, Schimpl, Marianne, Leney, Aneika C., Heck, Albert J. R., Sutherland, Calum, Read, Kevin D., McCrimmon, Rory J., Brooks, Simon P. and van Aalten, Daan M. F. 2019. Loss of CRMP2 O-GlcNAcylation leads to reduced novel object recognition performance in mice. Open Biology 9 (11) , 190192. 10.1098/rsob.190192

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O-GlcNAcylation is an abundant post-translational modification in the nervous system, linked to both neurodevelopmental and neurodegenerative disease. However, the mechanistic links between these phenotypes and site-specific O-GlcNAcylation remain largely unexplored. Here, we show that Ser517 O-GlcNAcylation of the microtubule-binding protein Collapsin Response Mediator Protein-2 (CRMP2) increases with age. By generating and characterizing a Crmp2S517A knock-in mouse model, we demonstrate that loss of O-GlcNAcylation leads to a small decrease in body weight and mild memory impairment, suggesting that Ser517 O-GlcNAcylation has a small but detectable impact on mouse physiology and cognitive function.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Royal Society, The: Open Biology / Royal Society
ISSN: 2046-2441
Date of First Compliant Deposit: 19 February 2020
Date of Acceptance: 5 November 2019
Last Modified: 20 Feb 2020 11:45

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