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Expression analysis of neuregulin 1 gene in schizophrenia model rats / 中华行为医学与脑科学杂志
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 993-996, 2011.
Artículo en Chino | WPRIM | ID: wpr-422869
ABSTRACT
ObjectiveTo analyze the gene expression of neuregulin1 (Nrg1)mRNA and protein in encephalic region and peripheral blood,and to explore the consistency of the expression in central and peripheral in schizophrenia model rat induced by dizocilpine maleate ( MK801 ).Methods30 adult male SD rats were randomly divided into 3 groups ( 10 cases per group)model group injected with MK801 (0.6 mg/kg and 100μl/20 g)on the right rear of ventrolateral compartment,control group 1 ( no treatment) and control group 2 injected with equal volume normal saline.Nrg1 mRNA was measured in peripheral blood and in prefrontal lobe by using semiquantitative RT-PCR in 3 groups,and Nrg1 protein was measured in encephalic region (prefrontal lobe,dentate band and hippocamp) by using immunohistochemistry.ResultsThere was significant difference of the amount of Nrg1 mRNA among 3 groups (for centerF=9.141,P =0.001 ;for peripheral blood F =8.389,P =0.001 ),and it was higher in model group ( center2.08 ± 0.64; peripheral blood1.43 ± 0.46) than that in two control groups ( control group1,center1.17 ± 0.42,peripheral blood0.78 ± 0.39 ; control group 2,center1.31 ± 0.44,peripheral blood0.79 ± 0.37 ),but no statistical significant difference existed between two control groups.There was positive correlation of Nrg1 mRNA between center and periphery.There was significant difference of Nrg1 protein in prefrontal lobe,dentate band and hippocamp among 3 groups ( F value was 7.275,21.50 and 4.619,and P value was 0.003,0.000 and 0.019,respectively),and it was higher in model( 7.71 ± 2.55,11.67 ± 1.83and 10.18 ±2.08,respectively)than that in two control groups( control group 14.89 ± 1.06,7.53 ± 1.14 and 7.10 ± 2.52,respectively; control group 25.31 ± 1.39,8.10 ± 1.60 and 7.81 ± 2.50),but no statistical significant difference existed between two control groups.ConclusionMK801 can effect on the expression of Nrg1 gene,Nrg1 mRNA and protein increase in MK801 model rat,and the change is synchronous between center and periphery.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Behavioral Medicine and Brain Science Año: 2011 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Behavioral Medicine and Brain Science Año: 2011 Tipo del documento: Artículo