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  • Title: The effect of electroacupuncture at ST36 on severe thermal injury-induced remote acute lung injury in rats.
    Author: Song XM, Wu XJ, Li JG, Le LL, Liang H, Xu Y, Zhang ZZ, Wang YL.
    Journal: Burns; 2015 Nov; 41(7):1449-58. PubMed ID: 26188895.
    Abstract:
    OBJECTIVE: Acupuncture at ST36 can produce anti-inflammatory effects, which might be associated with vagus nerve activity. This study explored the effects of electroacupuncture (EA) at ST36 on severe thermal injury-induced remote acute lung injury in rats. INTERVENTIONS: Forty male Sprague-Dawley (SD) rats were randomly divided into five groups: (1) the sham (S) group, (2) the thermal injury (TEM) group subjected to 30% total body surface area (30% TBSA) third-degree scald, (3) the EA at ST36 group subjected to EA stimulation at ST36 (3V, 2ms, and 3Hz) after 30% TBSA scald, (4) the EA at non-acupoint group subjected to EA stimulation at non-acupoint after 30% TBSA scald, and (5) the α-bungarotoxin (α7 nicotinic acetylcholine receptor subunit antagonist) group administered 1.0 μg kg(-1) α-bungarotoxin before EA at ST36. MEASUREMENTS AND MAIN RESULTS: Thermal injury of 30% TBSA induced leukocytosis in the alveolar space, interstitial edema, and the pro-inflammatory cytokines interleukin (IL)-1β, IL-6, and high-mobility group box 1 (HMGB-1); the expression of both HMGB-1 messenger RNA (mRNA) and protein in lung tissue was significantly enhanced. EA at ST36 significantly downregulated the levels of inflammatory cytokines and improved lung tissue injury. However, pretreatment with α-bungarotoxin reversed the effects of electrical stimulation of ST36. CONCLUSIONS: EA at ST36 might have a potential protective effect on severe thermal injury-induced remote acute lung injury via limitation of inflammatory responses in rats.
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