Title : Differential production of interleukin-6 in the brain and spleen of mice treated with lipopolysaccharide in the presence and absence of lead.

Pub. Date : 1998 Mar 13

PMID : 9515939






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1 Thus, the effects of Pb on the regulation of interleukin-6 (IL-6), a proinflammatory cytokine that shows high correlation with symptoms of endotoxic shock, and the levels of corticosterone, a hormone produced to prepare the body to cope with stress, upon lipopolysaccharide (LPS; endotoxin) administration were investigated. Lead interleukin 6 Mus musculus
2 Thus, the effects of Pb on the regulation of interleukin-6 (IL-6), a proinflammatory cytokine that shows high correlation with symptoms of endotoxic shock, and the levels of corticosterone, a hormone produced to prepare the body to cope with stress, upon lipopolysaccharide (LPS; endotoxin) administration were investigated. Lead interleukin 6 Mus musculus
3 After intravenous administration of LPS, the kinetics of IL-6 gene expression by Northern blot analysis revealed a rapid increase of IL-6 mRNA, which peaked by 2 h in the spleens and 3 h in the brains of B6C3F1 female mice, with or without Pb exposure. Lead interleukin 6 Mus musculus
4 After intravenous administration of LPS, the kinetics of IL-6 gene expression by Northern blot analysis revealed a rapid increase of IL-6 mRNA, which peaked by 2 h in the spleens and 3 h in the brains of B6C3F1 female mice, with or without Pb exposure. Lead interleukin 6 Mus musculus
5 Peak production of IL-6 protein after LPS challenge was observed at 2 h in the spleens and 3 h in the sera regardless of Pb-treatment. Lead interleukin 6 Mus musculus
6 However, Pb-exposed mice showed an altered kinetic profile of IL-6 appearance in the brain, in that the levels of IL-6 in the brains peaked at 4 h rather than 3 h, the peak for the control mice. Lead interleukin 6 Mus musculus
7 However, Pb-exposed mice showed an altered kinetic profile of IL-6 appearance in the brain, in that the levels of IL-6 in the brains peaked at 4 h rather than 3 h, the peak for the control mice. Lead interleukin 6 Mus musculus
8 Moreover, at two time points, the amounts of IL-6 were found to be higher in the brains of Pb-treated mice. Lead interleukin 6 Mus musculus