ArticleJournal of Alzheimer's disease : JAD2023
Variation in Group Composition Alters an Early-Stage Social Phenotype in hAPP-Transgenic J20 Mice.
Article in Journal of Alzheimer's disease : JAD, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Remote spatial memory deficits in mouse models of neuropsychiatric disorders with immature dentate gyrus phenotype.The international journal of neuropsychopharmacology · 2025Article
- Suppression of Cofilin function in the somatosensory cortex alters social contact behavior in the BTBR mouse inbred line.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
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Abstract
backgroundAltered social behavior is one of the symptoms of Alzheimer's disease (AD) that results in social withdrawal and loneliness and provides a major burden on patients and their relatives. Furthermore, loneliness is associated with an increased risk to develop AD and related dementias.
objectiveWe aimed to investigate if altered social behavior is an early indicator of amyloid-β (Aβ) pathology in J20 mice, and if co-housing with wild type (WT) mice can positively influence this social phenotype.
methodsThe social phenotype of group-housed mice was assessed using an automated behavioral scoring system for longitudinal recordings. Female mice were housed in a same-genotype (4 J20 or WT mice per colony) or mixed-genotype (2 J20 mice + 2 WT mice) colony. At 10 weeks of age, their behavior was assessed for five consecutive days.
resultsJ20 mice showed increased locomotor activity and social sniffing, and reduced social contact compared to WT mice housed in same-genotype colonies. Mixed-genotype housing reduced the social sniffing duration of J20 mice, increased social contact frequency of J20 mice, and increased nest hide by WT mice.
conclusionThus, altered social behavior can be used as an early indicator of Aβ-pathology in female J20 mice. Additionally, when co-housed with WT mice, their social sniffing phenotype is not expressed and their social contact phenotype is reduced. Our findings highlight the presence of a social phenotype in the early stages of AD and indicate a role for social environment variation in the expression of social behavior of WT and J20 mice.
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