Mosebetsi o fokotsehileng oa Presynaptic Dopamine Mosebetsing oa bocha oa ho ba le bana ba lilemong tsa bocha (2013)

Neuropsychopharmacology. 2013 Jan 28. Doi: 10.1038 / npp.2013.32. [Epub pele ho khatiso]

Matthews M, Bondi C, Torres G, Moghaddam B.

mohloli o moholo

Lefapha la Neuroscience, Univesithi ea Pittsburgh, Pittsburgh, PA, USA.

inahaneloang

Nako ea bocha e tsamaisana le ho qala ha mafu a 'maloa a mafu a kelello ho kenyeletsa le schizophrenia le ho lemalla. Ts'ebetso e feteletseng ea limbop ea dopamine e kentsoe tšebetsong tsena tse ka bang kotsi. Re kopantsitse limolek'hule le matla a dopamine neurotransication ho lekola ts'ebetso ea dopamine ho likhoto tsa bocha ka likarolo tse peli tse fapaneng tse ikhethileng tsa subriatal: nucleus accumbens (NAc) le dorsal striatum (DS). Bacha, re fumana phokotso ea ho fumaneha ha dopamine ka ho khetheha ho DS. Ho lokolloa ha Dopamine ka DS, empa eseng ho NAc, ho ne ho sa arabele haholo ho amphetamine ho bacha ha ho bapisoa le batho ba baholo. The dopamine transporter (DAT) inhibitor, nomifensine, ka mokhoa o ts'oanang ho thibelo ea dopamine ka mokhoa o ts'oanang le libakeng tsa lihlopha tseo ka bobeli, e fana ka maikutlo a hore katleho e fokotsehileng ea amphetamine ha e bakoe ke ho se tšoane ha mosebetsi oa DAT. Ho feta moo, mantsoe a DAT le vesicular monoamine transporter-2 li ne li tšoana ho DS le NAc ea likhoto tsa bocha. Ka lehlakoreng le leng, polelo ea tyrosine hydroxylase (TH) e fokotsehile ho DS, empa eseng ho NAc, ea bacha ha e bapisoa le batho ba baholo. Ka boitsoaro, bacha ba ne ba sa amehe haholo ka amphetamine empa ba ne ba ameha haholo ka inhibitor ea TH. Lintlha tsena li bonts'a hore, ho fapana le maikutlo a akaretsang a hore dopamine e na le ts'oaetso ho bacha, ho na le ts'ebetso ea "presopaptic dopamine" e teng lilemong tsa bocha tse ikhethileng ho DS 'me e ka hlaha ka lebaka la ketsahalo ea "TH". Ha ho fanoa ka litlaleho tsa morao-rao tsa mosebetsi o fetotsoeng oa dopamine ho batho ba kotsing e kholo ea ho ba le psychosis, datha ea rona e ts'ehetsa taba ea hore batho ba sa tsebeng letho ka batho ba kotsing ea ho ba le psychosis.Neuropsychopharmacology esale pele. phatlalatso ea marang-rang, 6 Hlakubele 2013; Doi: 10.1038 / npp.2013.32.