Objective To determine whether the onset of acute lung injury(ALI) induces the up-regulation of pentraxin 3(PTX3) expression in mice and whether PTX3 concentration in the biofluid can help recognizing sepsis-induced A...Objective To determine whether the onset of acute lung injury(ALI) induces the up-regulation of pentraxin 3(PTX3) expression in mice and whether PTX3 concentration in the biofluid can help recognizing sepsis-induced ALI. Methods Wild-type C57BL/6 mice(12-14 weeks old) were randomly divided into 3 groups. Mice in the group 1(n=12) and group 2(n=12) were instilled with lipopolysaccharide via intratracheal or intraperitoneal routes, respectively. Mice in the group 3(n=8) were taken as blank controls. Pulmonary morphological and functional alterations were measured to determine the presence of experimental ALI. PTX3 expression in the lung was quantified at both protein and m RNA levels. PTX3 protein concentration in blood and bronchoalveolar lavage fluid was measured to evaluate its ability to diagnose sepsis-induced ALI by computing area under receiver operator characteristic curve(AUROCC). Results ALI was commonly confirmed in the group 1 but never in the other groups. PTX3 expression was up-regulated indiscriminately among lipopolysaccharide-challenged mice. PTX3 protein concentration in the biofluid was unable to diagnose sepsis-induced ALI evidenced by its small AUROCC. PTX3 concentration in bronchoalveolar lavage fluid did not correlate with that in serum. Conclusions Lipopolysaccharide challenges induced PTX3 expression in mice regardless of the presence of ALI. PTX3 may act as an indicator of inflammatory response instead of organ injury per se.展开更多
目的 分析开放性胃肠手术患儿术后血清降钙素原(procalcitonin, PCT)、正五聚蛋白3(pentraxin 3,PTX3)、高迁移率族蛋白B1(high mobility group protein B1,HMGB-1)表达及其预测早期感染的价值。方法 2020年1月~2023年1月我院收治的开...目的 分析开放性胃肠手术患儿术后血清降钙素原(procalcitonin, PCT)、正五聚蛋白3(pentraxin 3,PTX3)、高迁移率族蛋白B1(high mobility group protein B1,HMGB-1)表达及其预测早期感染的价值。方法 2020年1月~2023年1月我院收治的开放性胃肠手术患儿206例,依据术后是否并发感染分为感染组(27例)和未感染组(179例)。比较两组一般资料及围手术期指标,比较两组术前、术后1天、3天血清PCT、PTX3、HMGB-1水平;观察术后1天、3天各血清指标单一、联合检测对开放性胃肠手术患儿术后感染的预测价值;多因素Logistic回归分析术后感染的影响因素。结果 感染组术后1天、3天血清PCT、PTX3、HMGB-1水平分别为(2.42±0.39)μg/L、(3.74±0.53)μg/L,(2.07±0.66)μg/L、(3.06±0.75)μg/L,(18.35±2.74)μg/L、(26.09±4.16)μg/L,均高于未感染组的(1.71±0.35)μg/L、(2.29±0.36)μg/L,(1.48±0.52)μg/L、(1.73±0.59)μg/L,(13.04±2.26)μg/L、(15.75±2.83)μg/L,两组比较差异有统计学意义(P<0.05);绘制受试者工作特征(receiver operating characteristic, ROC)曲线显示,术后3天血清PCT、PTX3、HMGB-1联合检测预测开放性胃肠手术患儿术后感染的曲线下面积(Area under the curve, AUC)最大,为0.989;多因素Logistic回归分析显示,年龄为患儿术后感染的独立保护因素,术中出血量、手术时间、术后1天、3天血清PCT、PTX3、HMGB-1为独立危险因素(P<0.05);感染组中重度感染患儿术后1天、3天血清PCT、PTX3、HMGB-1水平分别为(2.63±0.34)μg/L、(4.12±0.56)μg/L、(2.31±0.69)μg/L、(3.39±0.81)μg/L、(19.86±2.91)μg/L、(28.84±4.40)μg/L,均高于轻度感染患儿的(2.11±0.28)μg/L、(3.19±0.49)μg/L、(1.72±0.60)μg/L、(2.58±0.73)μg/L、(16.15±2.39)μg/L、(22.09±3.96)μg/L,差异有统计学意义(P<0.05)。结论 开放性胃肠手术患儿术后血清PCT、PTX3、HMGB-1表达显著增高,且其表达与术后早期感染及感染病情程度有关,三者联合预测价值更高。展开更多
基金Partly supported by a grant from Jie-shou Li Academician Gut Barrier Research Fund
文摘Objective To determine whether the onset of acute lung injury(ALI) induces the up-regulation of pentraxin 3(PTX3) expression in mice and whether PTX3 concentration in the biofluid can help recognizing sepsis-induced ALI. Methods Wild-type C57BL/6 mice(12-14 weeks old) were randomly divided into 3 groups. Mice in the group 1(n=12) and group 2(n=12) were instilled with lipopolysaccharide via intratracheal or intraperitoneal routes, respectively. Mice in the group 3(n=8) were taken as blank controls. Pulmonary morphological and functional alterations were measured to determine the presence of experimental ALI. PTX3 expression in the lung was quantified at both protein and m RNA levels. PTX3 protein concentration in blood and bronchoalveolar lavage fluid was measured to evaluate its ability to diagnose sepsis-induced ALI by computing area under receiver operator characteristic curve(AUROCC). Results ALI was commonly confirmed in the group 1 but never in the other groups. PTX3 expression was up-regulated indiscriminately among lipopolysaccharide-challenged mice. PTX3 protein concentration in the biofluid was unable to diagnose sepsis-induced ALI evidenced by its small AUROCC. PTX3 concentration in bronchoalveolar lavage fluid did not correlate with that in serum. Conclusions Lipopolysaccharide challenges induced PTX3 expression in mice regardless of the presence of ALI. PTX3 may act as an indicator of inflammatory response instead of organ injury per se.
文摘目的 分析开放性胃肠手术患儿术后血清降钙素原(procalcitonin, PCT)、正五聚蛋白3(pentraxin 3,PTX3)、高迁移率族蛋白B1(high mobility group protein B1,HMGB-1)表达及其预测早期感染的价值。方法 2020年1月~2023年1月我院收治的开放性胃肠手术患儿206例,依据术后是否并发感染分为感染组(27例)和未感染组(179例)。比较两组一般资料及围手术期指标,比较两组术前、术后1天、3天血清PCT、PTX3、HMGB-1水平;观察术后1天、3天各血清指标单一、联合检测对开放性胃肠手术患儿术后感染的预测价值;多因素Logistic回归分析术后感染的影响因素。结果 感染组术后1天、3天血清PCT、PTX3、HMGB-1水平分别为(2.42±0.39)μg/L、(3.74±0.53)μg/L,(2.07±0.66)μg/L、(3.06±0.75)μg/L,(18.35±2.74)μg/L、(26.09±4.16)μg/L,均高于未感染组的(1.71±0.35)μg/L、(2.29±0.36)μg/L,(1.48±0.52)μg/L、(1.73±0.59)μg/L,(13.04±2.26)μg/L、(15.75±2.83)μg/L,两组比较差异有统计学意义(P<0.05);绘制受试者工作特征(receiver operating characteristic, ROC)曲线显示,术后3天血清PCT、PTX3、HMGB-1联合检测预测开放性胃肠手术患儿术后感染的曲线下面积(Area under the curve, AUC)最大,为0.989;多因素Logistic回归分析显示,年龄为患儿术后感染的独立保护因素,术中出血量、手术时间、术后1天、3天血清PCT、PTX3、HMGB-1为独立危险因素(P<0.05);感染组中重度感染患儿术后1天、3天血清PCT、PTX3、HMGB-1水平分别为(2.63±0.34)μg/L、(4.12±0.56)μg/L、(2.31±0.69)μg/L、(3.39±0.81)μg/L、(19.86±2.91)μg/L、(28.84±4.40)μg/L,均高于轻度感染患儿的(2.11±0.28)μg/L、(3.19±0.49)μg/L、(1.72±0.60)μg/L、(2.58±0.73)μg/L、(16.15±2.39)μg/L、(22.09±3.96)μg/L,差异有统计学意义(P<0.05)。结论 开放性胃肠手术患儿术后血清PCT、PTX3、HMGB-1表达显著增高,且其表达与术后早期感染及感染病情程度有关,三者联合预测价值更高。
