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. 2008 May;44(5):402-9.
doi: 10.1016/j.micpath.2007.11.003. Epub 2007 Nov 22.

SPG/IND-induced Septic Shock in a LPS-low Responder Strain, C3H/HeJ Mice

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SPG/IND-induced Septic Shock in a LPS-low Responder Strain, C3H/HeJ Mice

Maki Saito et al. Microb Pathog. .

Abstract

The administration of beta-glucan (sonifilan; SPG) in combination with a non-steroidal anti-inflammatory drug, indomethacin (IND), induced lethal septic shock in mice. To demonstrate the influence of bacterial lipopolysaccharide (LPS) in this lethal toxicity, LPS non-responder C3H/HeJ mice were used to compare features of sepsis and physicochemical parameters in the present study. The administration of SPG and IND induced the death of C3H/HeJ mice, lowering rectal temperature, reducing body weight, increasing serum tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) levels, shortening the gastrointestinal tract, and increasing the GOT/GPT level. Microbial translocation to various organs was also significantly increased. These results strongly suggested that LPS-non-responding strain also induced septic shock in this experimental model, and other pathogen-associated molecular patterns (PAMPs) may significantly contribute to the septic shock.

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