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Am J Chin Med. 2012;40(1):135-49.

Eucommiae cortex inhibits TNF-α and IL-6 through the suppression of caspase-1 in lipopolysaccharide-stimulated mouse peritoneal macrophages.

Author information

1
Department of Oriental Pharmacy, College of Pharmacy, Wonkwang University, Jeonbuk, Republic of Korea.

Abstract

Eucommiae cortex (EC) is used in various traditional Korean medicines in the form of tonics, analgesics, and sedatives. However, the underlying mechanism of its anti-inflammatory effect remains unclear. This study attempts to determine the effects of EC on lipopolysaccharide (LPS)-induced inflammatory responses in mouse peritoneal macrophages. The findings of the study show that EC inhibits the LPS-induced production of tumor necrosis factor-alpha and interleukin-6. Exposure to EC also reduces an inflammation-induced increase in the levels of cyclooxigenase-2 and the production of prostaglandin E(2) and nitric oxide in mouse peritoneal macrophages. Furthermore, EC suppresses the activation of nuclear factor-kappa B and caspase-1. These results provide novel insights into the pharmacological action of EC and indicate that EC has a potential in the treatment of inflammatory diseases.

PMID:
22298454
DOI:
10.1142/S0192415X12500115
[Indexed for MEDLINE]

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