کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1914772 | 1535174 | 2010 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A serotoninergic basis for hyperphagic eating changes in Alzheimer's disease
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
سالمندی
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چکیده انگلیسی
Hyperphagia and associated eating changes occur frequently in Alzheimer's disease (AD) and lead to considerable morbidity. However, the neurochemical basis for these neuropsychiatric behaviours is at present unclear. In this study, we measured serotonin transporters, 5-HT1A, 5-HT2A, and 5-HT4 receptors using radioligand binding assays in the postmortem temporal cortex of a cohort of controls and AD patients longitudinally assessed for hyperphagia. We found significant decreases in 5-HT4 receptor densities in the hyperphagic, but not normophagic, AD group. Our data suggest that 5-HT4 receptor deficits may be a specific neurochemical correlate of hyperphagia, and point to the potential pharmacotherapeutic utility of 5-HT4 agonists for these behaviours in AD.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the Neurological Sciences - Volume 288, Issues 1â2, 15 January 2010, Pages 151-155
Journal: Journal of the Neurological Sciences - Volume 288, Issues 1â2, 15 January 2010, Pages 151-155
نویسندگان
Shirley W. Tsang, Janet Keene, Tony Hope, Ian Spence, Paul T. Francis, Peter T.-H. Wong, Christopher P. Chen, Mitchell K. Lai,