Sex-specific association of sex hormones and gonadotropins, with brain amyloid and hippocampal neurodegeneration


This study aimed to examine the sex-specific association between serum sex hormones and gonadotropins and the cerebral beta-amyloid (Aβ) burden and hippocampal neurodegeneration in subjects with normal cognition (NC) and impaired cognition (IC). Two-hundred and sixty-five older subjects received clinical assessments, serum measurements of sex hormones, gonadotropins, 11C-Pittsburgh compound B-positron emission tomography, and magnetic resonance imaging. In females, higher free testosterone and gonadotropin levels were associated with lower cerebral Aβ positivity.📍

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