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Literature DB >> 17570563

Age-related dendritic hypertrophy and sexual dimorphism in rat basolateral amygdala.

Marisa J Rubinow¹, Lauren L Drogos, Janice M Juraska.

Abstract

Little research has examined the influence of aging or sex on anatomical measures in the basolateral amygdala. We quantified spine density and dendritic material in Golgi-Cox stained tissue of the basolateral nucleus in young adult (3-5 months) and aged (20-24 months) male and female Long-Evans rats. Dendritic branching and spine density were measured in principal neurons. Age, but not sex, influenced the dendritic tree, with aged animals displaying significantly more dendritic material. Previous findings from our laboratory in the same set of subjects indicate an opposite effect of aging on dendritic material in the medial prefrontal cortex and hippocampus. We also report here a sex difference across ages in dendritic spine density, favoring males.

Entities: Disease Species

Mesh：

Year: 2007 PMID： 17570563 PMCID： PMC2647366 DOI： 10.1016/j.neurobiolaging.2007.05.006

Source DB: PubMed Journal: Neurobiol Aging ISSN： 0197-4580 Impact factor: 4.673

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