Proteomic association with age-dependent sex differences in Wisconsin Card Sorting Test performance in healthy Thai subjects

CHEN, Chen, KHANTHIYONG, Bupachad, THAWEETEE-SUKJAI, Benjamard, CHAROENLAPPANIT, Sawanya, ROYTRAKUL, Sittiruk, THANOI, Samur, REYNOLDS, Gavin and NUDMAMUD-THANOI, Sutisa (2023). Proteomic association with age-dependent sex differences in Wisconsin Card Sorting Test performance in healthy Thai subjects. Scientific Reports, 13 (1): 20238.

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Abstract

Sex differences in cognitive function exist, but they are not stable and undergo dynamic change during the lifespan. However, our understanding of how sex-related neural information transmission evolves with age is still in its infancy. This study utilized the Wisconsin Card Sorting Test (WCST) and the label-free proteomics method with bioinformatic analysis to investigate the molecular mechanisms underlying age-related sex differences in cognitive performance in 199 healthy Thai subjects (aged 20–70 years), as well as explore the sex-dependent protein complexes for predicting cognitive aging. The results showed that males outperformed females in two of the five WCST sub-scores: %Corrects and %Errors. Sex differences in these scores were related to aging, becoming noticeable in those over 60. At the molecular level, differently expressed individual proteins and protein complexes between both sexes are associated with the potential N-methyl-D-aspartate type glutamate receptor (NMDAR)-mediated excitotoxicity, with the NMDAR complex being enriched exclusively in elderly female samples. These findings provided a preliminary indication that healthy Thai females might be more susceptible to such neurotoxicity, as evidenced by their cognitive performance. NMDAR protein complex enrichment in serum could be proposed as a potential indication for predicting cognitive aging in healthy Thai females.

Item Type:	Article
Additional Information:	** From Springer Nature via Jisc Publications Router ** Licence for this article: http://creativecommons.org/licenses/by/4.0/ ** Acknowledgements: The authors would like to thank all participants in this study. We would also like to thank the members of the Neuroscience and Reproductive Biological Research Group, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand and the staff of Proteomics Unit, The National Center for Genetic Engineering and Biotechnology, Pathum Thani, Thailand. **Journal IDs: eissn 2045-2322 **Article IDs: publisher-id: s41598-023-46750-4; manuscript: 46750 **History: collection 12-2023; online 19-11-2023; published_online 19-11-2023; accepted 04-11-2023; registration 04-11-2023; submitted 16-02-2023
Identification Number:	https://doi.org/10.1038/s41598-023-46750-4
SWORD Depositor:	Colin Knott
Depositing User:	Colin Knott
Date Deposited:	21 Nov 2023 15:43
Last Modified:	21 Nov 2023 15:45
URI:	https://shura.shu.ac.uk/id/eprint/32714

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