期刊
INTERNATIONAL IMMUNOPHARMACOLOGY
卷 35, 期 -, 页码 111-118出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.intimp.2016.03.026
关键词
Sophocarpine; Mastitis; Toll-like receptor 4 (TLR4); Nuclear factor-kappa B (NF-kappa B); p38
资金
- Fundamental Research Funds for the Central Universities [2662014BQ024]
- National Natural Science Foundation of China [31272622, 31502130]
- Undergraduate Special Science and Technology Innovation of Huazhong Agricultural University [2015BC009]
Mastitis is defined as the inflammation of the mammary gland. LPS, which is widely used to induce mastitis models for the study of this disease, triggers similar inflammation as Escherichia coli. Sophocarpine, isolated from Sophora alopecuroides L, exhibits multiple biological properties. The aim of the present study was to determine the anti-inflammatory effect and mechanism of action of sophocarpine on mastitis within an LPS-induced mouse model. ELISA and western blotting were performed to detect protein levels. The qPCR was performed to detect mRNA levels. The ELISA and qRT-PCR results showed that sophocarpine inhibited the expression of TNF-alpha, IL-1 beta and IL-6 in a dose-dependent manner. However, sophocarpine suppressed TLR4 expression. Further study showed that sophocarpine could suppress the phosphorylation of I kappa B alpha, p65 and p38. These results confirm that sophocarpine played an anti-inflammatory role in LPS-induced mastitis by regulating TLR4 and the NF-kappa B and MAPK signaling pathways in mammary gland tissues. Therefore, sophocarpine may be a potential therapeutic drug for the treatment of mastitis. (C) 2016 Elsevier B.V. All rights reserved.
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