EPA protects against muscle damage in the mdx mouse model of Duchenne muscular dystrophy by promoting a shift from the M1 to M2 macrophage phenotype.

Abstract:

:In dystrophic mdx mice and in Duchenne muscular dystrophy, inflammation contributes to myonecrosis. Previously, we demonstrated that eicosapentaenoic acid (EPA) decreased inflammation and necrosis in dystrophic muscle. In the present study, we examined the effects of EPA and the corticoid deflazacort (DFZ) as modulators of M1 (iNOS-expressing cells) and M2 (CD206-expressing cells) macrophages. Mdx mice (14 days old) received EPA or DFZ for 16 days. The diaphragm, biceps brachii and quadriceps muscles were studied. Immunofluorescence, immunoblotting and ELISA assays showed that EPA increased interleucin-10, reduced interferon-γ and was more effective than DFZ in promoting a shift from M1 to M2.

journal_name

J Neuroimmunol

authors

Carvalho SC,Apolinário LM,Matheus SM,Santo Neto H,Marques MJ

doi

10.1016/j.jneuroim.2013.09.007

subject

Has Abstract

pub_date

2013-11-15 00:00:00

pages

41-7

issue

1-2

eissn

0165-5728

issn

1872-8421

pii

S0165-5728(13)00249-X

journal_volume

264

pub_type

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