Abstract

Objective To study the correlation between the serum high mobility group protein B1 (HMGB1)and the acute organophosphorus pesticide poisoning(AOPP). Methods The serum HMGB1 levels of the 116 patients with AOPP(AOPP group)and 40 healthy adults(control group)were detected by immunoblotting method. According to illness severity, AOPP group was divided into mild group(40 cases),moderate group(39 cases)and severe group(37 cases), and severe group was divided into multiorgan dysfunction syndrome(MODS)group(20 cases)and no MODS group(17 cases). The serum levels of CHE,HMGB1 were compared. Results The absorbance of HMGB1 in severe group(2.91±0.12)was significantly higher than that in moderate group(2.15±0.17), mild group(1.16 ± 0.29)and control group (0.84±0.30)(P＜0.01).The absorbance of HMGB1 in moderate group was significantly higher than that in mild group and control group(P＜0.01). The absorbance of HMGB1 in mild group was significantly higher than that in control group(P＜0.05). The absorbance of HMGB1 in MODS group was significantly higher than that in no MODS group(P＜0.01),but the absorbance of CHE had no significant difference between two groups(P＞0.05). Conclusions The degree of AOPP has notable correlation with the level of serum HMGB1. The level of serum HMGB1 is an useful index for evaluating the degree of AOPP. Key words: Organophosphorus compounds; Poisoning; Inflammation; High mobility group protein B1

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