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Zhonghua Shao Shang Za Zhi. 2001 Jun;17(3):177-80.

[The Influence of stress inhibition on the plasma levels of LPS, pro-inflammatory and Th1/Th2 cytokines in severely scalded rats].

[Article in Chinese]

Author information

1
Burn Institute of Shanghai RuiJin Hospital, Shanghai Second Medical University, Shanghai 200025, P.R. China.

Abstract

OBJECTIVE:

To explore the influence of stress inhibition on the plasma levels of LPS pro-inflammatory and Th1/Th2 cytokines in severely scalded rats.

METHODS:

Sprague-Dawley (SD) rats inflicted by 30% TBSA of deep partial thickness burn were employed as the model and randomly divided into burn with immediate resuscitation (A) and burn with immediate resuscitation and soluble cocktail (B) groups. Plasma was harvested from peripheral blood at different postburn time points for the determination of the levels of LPS, IL-1alpha, IL-6, TNFalpha, IL-8, IL-2, IFN-gamma, IL-4 and IL-10 in the rats of the two groups. And the rats inflicted by sham scalding were taken as control group (C).

RESULTS:

The postburn plasma levels of LPS, IL-1alpha, IL-4 and IL-10 increased gradually, while the plasma levels of IL-6, TNF, IL-8, IL-2 and IFN increased initially and decreased thereafter. The increasing ranges of LPS and these inflammatory cytokines were higher in A group, in which the increases of IL-1alpha, IL-6 and IL-4 appeared earlier in A (6 PBH) than those in B (12 PBH) groups.

CONCLUSION:

Prompt fluid resuscitation and stress inhibition could delay and ameliorate the postburn inflammatory reaction, decrease the production of Th2 cytokine and partially restore the production of Th1 cytokine after 48 PBH.

PMID:
11876938
[Indexed for MEDLINE]
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