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Significant Contribution of Mouse Mast Cell Protease 4 in Early Phases of Experimental Autoimmune Encephalomyelitis

Overview
Publisher Wiley
Specialties Biochemistry
Pathology
Date 2016 Sep 10
PMID 27610007
Citations 8
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Abstract

Experimental autoimmune encephalomyelitis (EAE) is a mouse model that reproduces cardinal signs of clinical, histopathological, and immunological features found in Multiple Sclerosis (MS). Mast cells are suggested to be involved in the main inflammatory phases occurring during EAE development, possibly by secreting several autacoids and proteases. Among the latter, the chymase mouse mast cell protease 4 (mMCP-4) can contribute to the inflammatory response by producing endothelin-1 (ET-1). The aim of this study was to determine the impact of mMCP-4 on acute inflammatory stages in EAE. C57BL/6 wild type (WT) or mMCP-4 knockout (KO) mice were immunized with MOG35-55 plus complete Freund's adjuvant followed by pertussis toxin. Immunized WT mice presented an initial acute phase characterized by progressive increases in clinical score, which were significantly reduced in mMCP-4 KO mice. In addition, higher levels of spinal myelin were found in mMCP-4 KO as compared with WT mice. Finally, whereas EAE triggered significant increases in brain levels of mMCP-4 mRNA and immunoreactive ET-1 in WT mice, the latter peptide was reduced to basal levels in mMCP-4 KO congeners. Together, the present study supports a role for mMCP-4 in the early inflammatory phases of the disease in a mouse model of MS.

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References
1.
Heuston S, Hyland N . Chymase inhibition as a pharmacological target: a role in inflammatory and functional gastrointestinal disorders?. Br J Pharmacol. 2012; 167(4):732-40. PMC: 3575774. DOI: 10.1111/j.1476-5381.2012.02055.x. View

2.
Semaan W, Desbiens L, Houde M, Labonte J, Gagnon H, Yamamoto D . Chymase inhibitor-sensitive synthesis of endothelin-1 (1-31) by recombinant mouse mast cell protease 4 and human chymase. Biochem Pharmacol. 2015; 94(2):91-100. DOI: 10.1016/j.bcp.2015.02.001. View

3.
Tchougounova E, Pejler G, Abrink M . The chymase, mouse mast cell protease 4, constitutes the major chymotrypsin-like activity in peritoneum and ear tissue. A role for mouse mast cell protease 4 in thrombin regulation and fibronectin turnover. J Exp Med. 2003; 198(3):423-31. PMC: 2194091. DOI: 10.1084/jem.20030671. View

4.
Walker M, Hatfield J, Brown M . New insights into the role of mast cells in autoimmunity: evidence for a common mechanism of action?. Biochim Biophys Acta. 2011; 1822(1):57-65. PMC: 4424662. DOI: 10.1016/j.bbadis.2011.02.009. View

5.
Gregory G, Robbie-Ryan M, Secor V, Sabatino Jr J, Brown M . Mast cells are required for optimal autoreactive T cell responses in a murine model of multiple sclerosis. Eur J Immunol. 2005; 35(12):3478-86. DOI: 10.1002/eji.200535271. View