Mokhoa oa mesolimbic o nka karolo ea ho fetoha ho bakoang ke bothata ba ho kopanela liphate ka naltrexone: Litholoana tse fapaneng tsa intra-VTA naltrexone tsamaiso mabapi le ho kopana le li-rats tsa banna tse nang le bothata ba ho kopanela liphate le tsa ho kopanela liphate (2013)

Behav Brain Res. 2013 Nov 1; 256: 64-71. Doi: 10.1016 / j.bbr.2013.07.056.

Garduño-Gutiérrez R, Lelea-Olea M, Rodríguez-Manzo G.

mohloli o moholo

Departamento de Farmacobiología, Cinvestav Sede Sur, Calzada de los Tenorios 235, Col. Granjas Coapa, Delegación Tlalpan, CP 14330, México DF, Mexico; Departamento de Neuromorfología Funcional, Dirección de Neurociencias, Instituto Nacional de Psiquiatría “Ramón de la Fuente Muñiz”, Av. México-Xochimilco 101, Col. San Lorenzo Huipulco, CP 14370, México, DF, Mexico.

inahaneloang

Liraka tsa banna li lumelloa ho kopitsa ho fihlela li fihla mokhatlong oa thobalano o bonts'a tšitiso ea boitšoaro ba thobalano ea nako e telele (hoo e ka bang 72h) e ka khutlisoang ke tsamaiso ea "anticon" receptor antagonist. Copollo e kenya tšebetsong mesolimbic dopaminergic system (MLS) le ho khothaletsa tokollo ea endo native opioid. Ntle le moo, li-opioids tsa endo native, tse sebetsang sebakeng sa ventral tegmental (VTA), li hlophisa tšebetso ea MLS.

Re fane ka maikutlo a hore li-opioid tsa mehleng ea khale li nka karolo ho kenyelletsong ea botona le botšehali ka ho sebelisana le li-receptor tsa Vio opioid mme ka lebaka leo, phetoho ea eona ke bahanyetsi ba opioid e ka fetisetsoa litsing tseo.

Thutong ena re fumane litlamorao tsa ho kenella ka har'a intra-VTA ea litekanyetso tse fapaneng tsa "opioid receptor antagonist naltrexone" (0.1-1.0μg / rat) ka ts'ebeliso ea boitšoaro ba thobalano bo seng bo thehiloe ba thobalano. Ho hlakisa ho nka karolo ha VTA δ-opioid receptors ho phetolotso-lehare ea phetisetso ea khatello ea thobalano, litlamorao tsa litekanyetso tse fapaneng tsa mohanyetsi oa δ-opioid receptor antagonist, naltrindole (0.03-1.0μg / rat) le tsona li ile tsa lekoa.

Liphetho li bonts'itse hore ente ea VTA ea intra-VTA ea 0.3μg naltrexone e khutlisitse thobalano ea litoeba tse felisitsoeng ke thobalano, ho bonahatsoa ke liperesente tse ngata tsa liphoofolo tse khonang ho bonts'a mefuta e 'meli e latellanang. Inttr-VTA e kenyellelitsoeng naltrindole ha ea ka ea khutlisa mokhathala o mong le o mong oa thobalano. Ho phethoa hore MLS e kenya letsoho ho khutlisetsong ha khatello ea thobalano e khothalletsoang ke systemic naltrexone, le hore μ-, empa eseng receptors tsa δ-opioid li nka karolo phello ena.. Ho kenella ka hare ho intra-VTA naltrexone ho litšoene tse tona tse nang le thobalano ho bile le phello e thibelang tšebetso ea thobalano. Litlamorao tse fapaneng tsa intra-VTA naltrexone mabapi le boitšoaro ba setho sa botona kapa botšehali ho buuoa ka likhoto tse amanang le thobalano li tšohloa..

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