Journal
FOOD BIOSCIENCE
Volume 47, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fbio.2022.101645
Keywords
Agaricus blazei Murill polysaccharides; Antioxidation; Inflammation; Liver and lung injury; NF-kappa B signaling pathway
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Funding
- Mushroom Technology System of Shandong Province [SDAIT-07-05]
- China Postdoctoral Science Foundation [2019M660163]
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The study evaluated the protective effects of Agaricus blazei Murill polysaccharides (ABMP) on liver and lung in MODS mice induced by zymosan. Results showed that ABMP improved the survival rate, alleviated abnormal physiological behavior, and reduced tissue oxidative stress in MODS mice. Additionally, ABMP inhibited the activation of NF-kappa B signaling pathway and decreased the expressions of inflammatory cytokines.
As a kind of well-known edible mushroom, the medicinal values of Agaricus blazei Murill also have been well acknowledged. There is no efficient treatment strategy for multiple organ dysfunction syndrome (MODS) so far, a crucial cause of clinical death. The present work was designed to evaluate the beneficially protective effects of Agaricus blazei Murill polysaccharides (ABMP) on liver and lung against zymosan (ZY)-induced MODS related damages. The MODS mice were successfully established by given one-time injection of zymosan solution (500 mg/kg) intraperitoneally. The in vivo results demonstrated that ABMP could improve the 10-day survival rate, ease abnormal physiological behavior and alleviate tissues oxidative stress in MODS mice. Besides, ABMP showed potential effects on attenuating the functional impairments of liver and lung. Meanwhile, ABMP effectively inhibited the activation of NF-kappa B signaling pathway and reduced the expressions of inflammatory cytokines, including TNF-alpha, IL-1 beta, IL-6, COX-2 and PGE-2. Additionally, the structural characterizations showed that the significant function of ABMP was possibly related with the beta-pyranose configuration with a triple-helical structure composing of glucose mainly with the proper molecular weights of 12.26 kDa. These findings demonstrated that ABMP exhibited potential protections against liver and lung damages in the ZY-induced MODS mice, providing more theoretical basis and reference significance for the exploration of biological activity of A. blazei Murill.
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