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  • Loss of CAMK2G affects intrinsic and motor behavior but has minimal impact on cognitive behavior.

Loss of CAMK2G affects intrinsic and motor behavior but has minimal impact on cognitive behavior.

Frontiers in neuroscience (2023-01-24)
Pomme M F Rigter, Charlotte de Konink, Geeske M van Woerden
ABSTRACT

The gamma subunit of calcium/calmodulin-dependent protein kinase 2 (CAMK2G) is expressed throughout the brain and is associated with neurodevelopmental disorders. Research on the role of CAMK2G is limited and attributes different functions to specific cell types. To further expand on the role of CAMK2G in brain functioning, we performed extensive phenotypic characterization of a Camk2g knockout mouse. We found different CAMK2G isoforms that show a distinct spatial expression pattern in the brain. Additionally, based on our behavioral characterization, we conclude that CAMK2G plays a minor role in hippocampus-dependent learning and synaptic plasticity. Rather, we show that CAMK2G is required for motor function and that the loss of CAMK2G results in impaired nest-building and marble burying behavior, which are innate behaviors that are associated with impaired neurodevelopment. Taken together, our results provide evidence for a unique function of this specific CAMK2 isozyme in the brain and further support the role of CAMK2G in neurodevelopment.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Anti-CAMK2G antibody produced in rabbit, Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody
Sigma-Aldrich
Phosphatase Inhibitor Cocktail 2, aqueous solution (dark coloration may develop upon storage, which does not affect the activity)
Sigma-Aldrich
Protease Inhibitor Cocktail, for use with mammalian cell and tissue extracts, DMSO solution
Sigma-Aldrich
Phosphatase Inhibitor Cocktail 3, DMSO solution
Sigma-Aldrich
Anti-Actin Antibody, clone C4, clone C4, Chemicon®, from mouse