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Journal of Soils and Sediments - Erosion is one of the main soil degradation problems. It diminishes soil biological activity and therefore its quality. The aim of the study was to evaluate if the...  相似文献   
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Background  

An adriamycin-induced impairment of wound healing has been demonstrated experimentally in rats. The purpose of this study is to investigate a possible temporal variation in recovery from the impairment of wound healing caused by adriamycin administration.  相似文献   
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Vertisols formed on different parent materials from Turkey (Aslanpınarı and Begde soil series) and Israel (Akko soil series) were studied for their microstructure. The Aslanpınarı and Begde soils showed similar spheroidal microstructural development in the ABss horizons, whereas the spheres of Akko differed by being smaller and lacking granostriation. Micromorphometric analyses of the three soils revealed similar pore characteristics within and between the aggregates of the ABss horizons. Presence of the spheroidal microstructural units and increase of palygorskite and vermiculite in the ABss horizon of the Be de soil, which is in contrast with increasing smectite in the Aslanpınarı and Akko soils, links with an increase in the structural stability index and an increase in the hydraulic conductivity.  相似文献   
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The present study was conducted to investigate the effect of silymarin on experimental liver toxication induced by Fumonisin B1 (FB1) in BALB/c mice. The mice were divided into six groups (n = 15). Group 1 served as the control. Group 2 was the silymarin control (100 mg/kg by gavage). Groups 3 and 4 were treated with FB1 (Group 3, 1.5 mg/kg FB1, intraperitoneally; and Group 4, 4.5 mg/kg FB1). Group 5 received FB1 (1.5 mg/kg) and silymarin (100 mg/kg), and Group 6 was given a higher dose of FB1 (4.5 mg/kg FB1) with silymarin (100 mg/kg). Silymarin treatment significantly decreased (p < 0.0001) the apoptotic rate. FB1 administration significantly increased (p < 0.0001) proliferating cell nuclear antigen and Ki-67 expression. Furthermore, FB1 elevated the levels of caspase-8 and tumor necrosis factor-alpha mediators while silymarin significantly reduced (p < 0.0001) the expression of these factors. Vascular endothelial growth factor (VEGF) and fibroblast growth factor-2 (FGF-2) expressions were significantly elevated in Group 4 (p < 0.0001). Silymarin administration alleviated increased VEGF and FGF-2 expression levels (p < 0.0001). In conclusion, silymarin ameliorated toxic liver damage caused by FB1 in BALB/c mice.  相似文献   
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