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2001 ; 10
(2
): 93-6
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Administration of isoferulic acid improved the survival rate of lethal influenza
virus pneumonia in mice
#MMPMID11405556
Sakai S
; Ochiai H
; Mantani N
; Kogure T
; Shibahara N
; Terasawa K
Mediators Inflamm
2001[Apr]; 10
(2
): 93-6
PMID11405556
show ga
BACKGROUND: Isoferulic acid (IFA) is a main active ingredient of the rhizoma of
Cimicifuga beracleifolia, which is used frequently in Japanese traditional
medicine as an anti-inflammatory drug. It has been revealed that IFA inhibits the
production of macrophage inflammatory protein-2 (MIP-2), which is a murine
counterpart of the chemokine family that may contribute to the pathogenesis of
inflammatory diseases through the chemotactic activity for inflammatory and
immune effector cells. AIM OF THE STUDY: In this study, we investigated the
therapeutic effect of IFA on the progression of lethal influenza virus pneumonia
in mice by comparison with that of dexamethasone (DX), a potent inhibitor for
various inflammatory cytokines including MIP-2. METHODS: Mice were infected by
intranasal inoculation of influenza virus under ether anesthesia. The IFA or DX
was given by oral administration once daily for 4 days after infection. After
infection, the survival rate and the change in body weight were daily monitored.
RESULTS: IFA administration markedly improved the survival rate and body weight
loss of influenza virus-infected mice in a suitable dose range (0.5 mg/day).
However, DX administration did not show a beneficial effect at any dose.
CONCLUSION: These data suggested that IFA is a novel tool not only for the
intervention therapy, but also for the studies on the pathogenesis of influenza
virus-induced pneumonia.
|Animals
[MESH]
|Anti-Inflammatory Agents/*therapeutic use
[MESH]
|Cinnamates/*therapeutic use
[MESH]
|Dexamethasone/therapeutic use
[MESH]
|Influenza A virus/*drug effects/pathogenicity
[MESH]