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NCAM2 is a protein almost exclusively expressed in neuronal tissue and is allegedly involved in processes of neurite outgrowth, axon guidance and synapse formation.
Widepsread and ubiquitous moderate-intensity diffuse/synaptic immunostaining of synaptic fields is noticed throughout the brain. In addition, abundant neuronal somatic immunostaining is noticed in multiple brainstem nuclei, cerebellar nuclei, and in the hippocampus. Sparse neuronal cell bodies are immunoreactive in the hypothalamus and neocortex.
Also, a subpopulation of glial cells exhibits moderate-intensity immunostaining but the identification its exact type requires further co-localization studies (presumably oligodendocytes).
Both human and mouse transcriptomic data support the above observation, by showing RNA abundance across several brain areas.
Positive cells and structuresi
Manually selected location of the protein positivity, observed by immunofluorescence staining in mouse brain.