Polyacetylene Compound from Cirsium japonicum var. ussuriense Inhibited Caspase-1-mediated IL-1beta Expression
Immune Network
; : 213-216, 2012.
Article
de En
| WPRIM
| ID: wpr-58013
Bibliothèque responsable:
WPRO
ABSTRACT
Our previous report showed that polyacetylene compound, 1-Heptadecene-11, 13-diyne-8, 9, 10-triol (PA) from the root of Cirsium japonicum var. ussuriense has anti-inflammatory activity. In this study we investigated the role of the PA as inhibitor of caspase-1, which converts prointerleukin-1beta (proIL-1beta) to active IL-1beta and is activated by inflammasome involved in the inflammatory process. We tested the effect of PA on the production of pro-inflammatory cytokines, IL-1beta in murine macrophage cell line, RAW264.7. PA inhibited lipopolysaccharide (LPS)-induced IL-1beta production by macrophages at a dose dependent manner. PA also suppressed the activation of caspase-1. The mRNA level of ASC (apoptosis-associated spec-like protein containing a CARD), an important adaptor protein of inflammasome, was decreased in the PA treated group. Therefore our results suggest that the anti-inflammatory effect of PA is due to inhibit the caspase-1 activation.
Mots clés
Texte intégral:
1
Indice:
WPRIM
Sujet Principal:
ARN messager
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Lignée cellulaire
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Cytokines
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Cirsium
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Polymère de polyacétylène
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Macrophages
langue:
En
Texte intégral:
Immune Network
Année:
2012
Type:
Article