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Full-Text Articles in Medicine and Health Sciences

Transmembrane Domain Nrg1 Mutant Mice Show Altered Susceptibility To The Neurobehavioural Actions Of Repeated Thc Exposure In Adolescence, Leonora E. Long, Rose Chesworth, Xu-Feng Huang, Iain S. Mcgregor, Jonathon C. Arnold, Tim Karl Jan 2013

Transmembrane Domain Nrg1 Mutant Mice Show Altered Susceptibility To The Neurobehavioural Actions Of Repeated Thc Exposure In Adolescence, Leonora E. Long, Rose Chesworth, Xu-Feng Huang, Iain S. Mcgregor, Jonathon C. Arnold, Tim Karl

Faculty of Health and Behavioural Sciences - Papers (Archive)

Heavy cannabis abuse increases the risk of developing schizophrenia. Adolescents appear particularly vulnerable to the development of psychosis-like symptoms after cannabis use. To test whether the schizophrenia candidate gene neuregulin 1 (NRG1) modulates the effects of cannabinoids in adolescence, we tested male adolescent heterozygous transmembrane domain Nrg1 mutant (Nrg1 TM HET) mice and wild type-like littermates (WT) for their neurobehavioural response to repeated Δ9-tetrahydrocannabinol (THC, 10 mg/kg i.p. for 21 d starting on post-natal day 31). During treatment and 48 h after treatment withdrawal, we assessed several behavioural parameters relevant to schizophrenia. After behavioural testing we measured autoradiographic …


Excitatory And Inhibitory Neurotransmission Is Chronically Altered Following Perinatal Nmda Receptor Blockade, Kelly A. Newell, Xu-Feng Huang, Chao Deng, Teresa M. Du Bois, Mei Han Jan 2009

Excitatory And Inhibitory Neurotransmission Is Chronically Altered Following Perinatal Nmda Receptor Blockade, Kelly A. Newell, Xu-Feng Huang, Chao Deng, Teresa M. Du Bois, Mei Han

Faculty of Health and Behavioural Sciences - Papers (Archive)

N-methyl-d-aspartate (NMDA) receptor blockade in rodents induces behavioural and neurochemical changes reminiscent of schizophrenia symptoms and pathology. To examine how NMDA receptor blockade affects glutamatergic and GABAergic pathways when administered during early brain development, [3H]MK-801 and [3H]muscimol binding to NMDA and GABAA receptors was examined at four time-points following injections of phencyclidine (PCP) or saline on postnatal days (PN)7, 9 and 11. [3H]MK-801 binding was significantly increased in PCP-treated rats in the thalamus from PN18 to PN96, in the prefrontal and anterior cingulate cortices at PN32, and in the hippocampus at PN96. In a similar manner, [3H]muscimol binding was increased …