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Evidence for epistasis between SLC6A4 and ITGB3 in autism etiology and in the d...
Coutinho, Ana; Sousa, Inês; Martins, Madalena; Correia, Catarina; Morgadinho, Teresa; Bento, Celeste; Marques, Carla; Ataíde, Assunção; Miguel, TeresaAbstract Autism is a neurodevelopmental disorder of unclear etiology. The consistent finding of platelet hyperserotonemia in a proportion of patients and its heritability within affected families suggest that genes involved in the serotonin system play a role in this disorder. The role in autism etiology of seven candidate genes in the serotonin metabolic and neurotransmission pathways and mapping to autism li...
Single or multiple injections of methamphetamine increased dopamine turnover bu...
Pereira, Frederico Costa; Lourenço, Elita Santos; Borges, Fernanda; Morgadinho, Teresa; Ribeiro, Carlos Fontes; Macedo, Tice Reis; Ali, Syed F.Methamphetamine (METH), leading to striatal dopamine (DA) nerve terminal toxicity in mammals, is also thought to induce apoptosis of striatal neurons in rodents. We investigated the acute effects induced by multiple injections of METH (4 × 5 mg/kg, i.p.) at 2-h intervals or a single injection of METH (20 mg/kg, i.p.) on terminal dopaminergic toxicity markers, including DA levels, DA turnover, and tyrosine hydro...
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