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Androgens and Alzheimerʼs disease

Drummond, E.S., Harvey, A.R. and Martins, R.N. (2009) Androgens and Alzheimerʼs disease. Current Opinion in Endocrinology, Diabetes and Obesity, 16 (3). pp. 254-259.

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Purpose of review: To discuss the relationship between androgens, cognition and Alzheimer's disease. Recent findings: It has been found that low circulating levels of androgens are a risk factor for Alzheimer's disease. Decreased circulating androgens are also associated with declining cognitive performance, particularly in memory-related tasks. Conversely, androgen supplementation to hypogonadal men results in improved memory performance. It has therefore been hypothesized that androgen supplementation may be beneficial in Alzheimer's disease. In recent studies, animal models have been used to elucidate the molecular mechanism behind this relationship between androgens and Alzheimer's disease. These studies have shown that androgen depletion results in increased levels of beta amyloid and hyperphosphorylated tau, changes which are thought to be associated with subsequent neuronal death. Summary: Androgen depletion results in molecular changes associated with Alzheimer's disease. Further human trials are needed to determine whether androgen modulating therapy for Alzheimer's disease has clinical significance.

Item Type: Journal Article
Publisher: Lippincott Williams and Wilkins
Copyright: © 2009 Wolters Kluwer Health | Lippincott Williams & Wilkins
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