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Abstract Title:

Baicalin ameliorates-induced lung inflammation in chicken by inhibiting TLR6-mediated NF-κB signalling.

Abstract Source:

Br Poult Sci. 2021 Apr ;62(2):199-210. Epub 2020 Dec 9. PMID: 33252265

Abstract Author(s):

M Zou, L Yang, L Niu, Y Zhao, Y Sun, Y Fu, X Peng

Article Affiliation:

M Zou

Abstract:

1.(MG) causes severe lung inflammation and cell damage by activating toll-like receptor (TLR) signalling, the nuclear factor-kappaB (NF-B) pathway and pro-inflammatory cytokine gene expression. Baicalin (BA) is a flavonoid extracted from, which possesses anti-inflammatory and anti-bacterial properties. This study investigated the effect of BA in MG-induced lung inflammation and its potential mechanism in MG-infected chicken embryo lungs and DF-1 cells.2. The histopathological examination result showed that BA treatment alleviated MG-induced lung pathological changes. In addition, CCK-8 and cell cycle assays showed that BA treatment inhibited MG-induced cell proliferation and cell cycle progression in DF-1 cells.3. The ELISA and RT-qPCR results demonstrated that BA treatment decreased the expression of interleukin-1beta (IL-1), IL-6, and tumour necrosis factor-alpha (TNF-) both in MG-infected chicken embryo lungs and DF-1 cells.4. The results revealed that BA inhibited mRNA expression levels of toll-like receptor-6 (TLR6), myeloid differentiation primary response gene-88 (MyD88) and nuclear factor-B (NF-B), and the nuclear translocation of NF-B-p655. In conclusion, the results showed that BA has a protective effect against MG-induced lung inflammation in chicken by inhibiting the TLR6-mediated NF-κB signalling.

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