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Acta Pharmaceutica Sinica ; (12): 321-324, 2004.
Artigo em Chinês | WPRIM | ID: wpr-301085

RESUMO

<p><b>AIM</b>To determine whether serotonin, a major neurotransmitter in brain, can modulate the production of secretory beta-amyloid protein precursor (sAPP) by activation of serotonin 5-HT2C receptor.</p><p><b>METHODS</b>The hippocampal slices of rats were incubated with various concentrations of serotonin, M-110, or L-107. sAPP released into the incubation medium were assayed by Western blot analysis assay with monoclonal antibody 22C11 for 2 h.</p><p><b>RESULTS</b>Various concentrations of serotonin (1.0 x 10(-2) - 1.0 x 10(3) micromol x L(-1)), M-110, a serotonin 5-HT2C agonist (1.5 x 10(-6) - 1.5 x 10(3) micromol x L(-1)), showed positive effect on the production of sAPP while L-107, a serotonin 5-HT2C antagonist (1.0 x 10(-9) - 1.0 x 10(3) micromol x L(-1)), showed negative effect on the production of sAPP over controls.</p><p><b>CONCLUSION</b>Serotonin modulates production of secretory amyloid beta-protein precursor through serotonin 5-HT2C receptor in incubated rat hippocampal slices.</p>


Assuntos
Animais , Masculino , Ratos , Precursor de Proteína beta-Amiloide , Secreções Corporais , Hipocampo , Metabolismo , Técnicas In Vitro , Fragmentos de Peptídeos , Secreções Corporais , Ratos Sprague-Dawley , Receptor 5-HT2C de Serotonina , Serotonina , Farmacologia , Agonistas do Receptor 5-HT2 de Serotonina , Antagonistas do Receptor 5-HT2 de Serotonina
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