ArticleResearch square2026
Moderate Effects of the Arginine to Histidine R47H Variant of the Triggering Receptor Expressed on Myeloid Cells 2 (TREM2) on Bone Structure in Male and Female Mice: Insights from the Four Core Genotypes mice.
Article in Research square, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
8 authors.
Funding
Abstract
Background: The Triggering Receptor Expressed on Myeloid Cells 2 (TREM2) gene is expressed in cells of the hematopoietic lineage, like microglia and osteoclasts. A TREM2 gene variant known as TREM2-R47H is associated with an increased risk of developing Alzheimer's disease (AD). Previous studies have shown sex-dimorphic bone and muscle consequences that are associated with the TREM2 variant. Sex chromosomes have also been shown to play a key contributor to skeletal mass and bone strength. Due to the sex-dimorphic bone and skeletal muscle phenotype exhibited by mice expressing the TREM2 gene variant, we investigated the role of chromosomal (XX vs XY) or gonadal (ovaries vs testes) sex. Methods: Four Core Genotypes (FCG) C57Bl/6J mice expressing the TREM2-R47H variant were mated to obtain TREM2 wildtype (TREM2 Results: Gonadal males: chromosome sex (XX/XY) effects are found for several bone structural parameters in femur and lumbar vertebra 5, whereas there was an interaction between gonadal sex and chromosome sex for other structural measurements in both bones by μCT. Overall, values are higher for TREM2 Conclusion: Our findings suggest that chromosome sex partially affects the consequences of expression of the TREM2-R47H variant on bone structure, whereas the outcomes of the gene variant depend on the mouse gonadal sex.
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