Donna Toufexis1,2, S Bradley King1, Vasiliki Michopoulos3,4. 1. Department of Psychological Science, The University of Vermont, Burlington, VT, USA. 2. Division of Development and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, GA, USA. 3. Division of Development and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, GA, USA. vmichop@emory.edu. 4. Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, 30322, USA. vmichop@emory.edu.
Abstract
PURPOSE OF REVIEW: Estrogen's role in cognitive aging remains unclear. Despite evidence implicating stress in pathological aging, the interaction of stress with estrogen on cognition in older women has received little attention, and few animal models exist with which to examine this interaction. RECENT FINDINGS: We present evidence that aging socially subordinate female macaques that experience chronic psychosocial stress constitute a suitable model to investigate this. First, we review studies showing that estrogen modulates cognition in animal models, as well as studies demonstrating that estrogen's action on certain types of cognition is impaired by stress. Next, we discuss data showing that middle-aged socially subordinate female macaques exhibit distinct stress-induced phenotypes, and review our investigations indicating that estrogen modulates behavior and physiology differently in subordinate female monkeys. We conclude that socially housed female macaques represent a translational animal model for investigating the interplay of chronic stress and estrogen on cognitive aging in women.
PURPOSE OF REVIEW: Estrogen's role in cognitive aging remains unclear. Despite evidence implicating stress in pathological aging, the interaction of stress with estrogen on cognition in older women has received little attention, and few animal models exist with which to examine this interaction. RECENT FINDINGS: We present evidence that aging socially subordinate female macaques that experience chronic psychosocial stress constitute a suitable model to investigate this. First, we review studies showing that estrogen modulates cognition in animal models, as well as studies demonstrating that estrogen's action on certain types of cognition is impaired by stress. Next, we discuss data showing that middle-aged socially subordinate female macaques exhibit distinct stress-induced phenotypes, and review our investigations indicating that estrogen modulates behavior and physiology differently in subordinate female monkeys. We conclude that socially housed female macaques represent a translational animal model for investigating the interplay of chronic stress and estrogen on cognitive aging in women.
Entities:
Keywords:
Aging; Cognition; Estrogen; Menopause; Monkeys; Stress; Women
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