Correlations between serum interleukin-18 (IL-18) level, IL-18 gene promoter polymorphisms and the development of sepsis in children

OBJECTIVE: To investigate the correlations of serum interleukin-18 (IL-18) level and IL-18 gene promoter polymorphisms to the development of sepsis in children

Bibliographische Detailangaben
Veröffentlicht in:Zhonghua er ke za zhi = Chinese journal of pediatrics. - 1960. - 48(2010), 1 vom: 29. Jan., Seite 9-14
1. Verfasser: Cai, Lu-liang (VerfasserIn)
Weitere Verfasser: Xiang, Wei, Xie, Yao-qi, Liao, Feng, Feng, Xiao-wei, Zhang, Du-fei, Chen, Yu-wen, Zhang, Ya-ming, Huang, Mei-jiao, Zeng, Xia
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Zhonghua er ke za zhi = Chinese journal of pediatrics
Schlagworte:English Abstract Journal Article Research Support, Non-U.S. Gov't Interleukin-18
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100 1 |a Cai, Lu-liang  |e verfasserin  |4 aut 
245 1 0 |a Correlations between serum interleukin-18 (IL-18) level, IL-18 gene promoter polymorphisms and the development of sepsis in children 
264 1 |c 2010 
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500 |a Date Completed 03.02.2011 
500 |a Date Revised 07.06.2016 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To investigate the correlations of serum interleukin-18 (IL-18) level and IL-18 gene promoter polymorphisms to the development of sepsis in children 
520 |a METHOD: Using enzyme-linked immunosorbent assay (ELISA), the authors tested the serum IL-18 level in 90 patients with sepsis and 123 normal controls, and their single nucleotide polymorphisms of the promoter region of IL-18 gene at position -607C/A and -137G/C were detected using polymerase chain reaction with sequence specific primers method and sequencing technique 
520 |a RESULT: (1) The serum IL-18 level in sepsis groups was (196.56 +/- 157.32) pg/ml that was significantly higher than (66.16 +/- 41.63) pg/ml in normal controls (P < 0.01), the more severe the degree of sepsis was, the more significantly higher the serum IL-18 level was. The serum IL-18 level in non serious sepsis group was (152.87 +/- 114.96) pg/ml that was significantly higher than (66.16 +/- 41.63) pg/ml in normal controls, the serum IL-18 level in serious sepsis group was (191.98 +/- 169.72) pg/ml that was significantly higher than that in non serious sepsis group, and the serum IL-18 level in extremely serious sepsis patients was (323.89 +/- 159.35) pg/ml, the difference was highly significant (P = 0.000). The difference was significant among the groups with different severity of sepsis (P < 0.01). There was a negative correlation between PCIS (pediatric critical illness score) of sepsis and the serum IL-18 level (P < 0.01). (2) There were polymorphisms in IL-18 gene promoter of matched healthy children and sepsis in children. The GG genotype frequency (61.8%) of IL-18-137G/C in healthy children was the highest, followed by GC genotype (35.8%) and CC genotype (2.4%) in sequence. The G allele frequency (79.7%) was higher in IL-18-137G/C of healthy children than C allele (20.3%). The GG genotype frequency (71.1%) of IL-18-137G/C in septic children was the highest, the next were GC genotype (26.7%) and CC genotype (2.2%). The G allele frequency (84.4%) was higher in IL-18-137G/C of septic children than C allele (15.6%). The CA genotype frequency (61.0%) of IL-18-607C/A in healthy children was the highest, followed by CC genotype (26.8%) and AA genotype (12.2%). The C allele frequency (57.3%) was higher in IL-18-607C/A of healthy children than A allele (42.7%). The CA genotype frequency (76.7%) of IL-18-607C/A in septic children was the highest, followed by CC genotype (21.1%) and AA genotype (2.2%) in sequence. The C allele frequency (59.4%) was higher in IL-18-607C/A of septic children than A allele (40.6%). (3) The genotype frequency of IL-18-607 CA was 76.7% in sepsis groups that was significantly higher than 61.0% in normal controls, and the genotype frequency of -607 AA was 2.2% in sepsis groups that was significantly lower than 12.2% in normal controls, the difference was significant (P < 0.05). (4) In the order of -137CC, -137GC, -137GG, the serum IL-18 level in normal controls were as follows: (45.67 +/- 28.36) pg/ml, (53.27 +/- 37.91) pg/ml, (76.91 +/- 42.44) pg/ml, and with (140.50 +/- 60.10) pg/ml, (184.42 +/- 157.33) pg/ml, (237.02 +/- 161.76) pg/ml respectively in sepsis groups. In the order of -607AA, -607CA, -607CC, the serum IL-18 level in normal controls were: (48.80 +/- 32.11) pg/ml, (68.41 +/- 42.53) pg/ml, (70.17 +/- 43.87) pg/ml; and with (141.50 +/- 64.35) pg/ml, (151.21 +/- 121.19) pg/ml, (211.16 +/- 163.64) pg/ml respectively in sepsis groups. The difference was not significant among different groups (P > 0.05) 
520 |a CONCLUSION: The serum IL-18 level in sepsis groups was significantly higher than that in normal controls, which was related to the severity of sepsis. It was possible that the genotype of -607CA carriers was susceptible to sepsis, which mean that the genotype of -607CA might be susceptible genotype of sepsis. However, the genotype of -607AA might play an oppose role in the risk of sepsis 
650 4 |a English Abstract 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Interleukin-18  |2 NLM 
700 1 |a Xiang, Wei  |e verfasserin  |4 aut 
700 1 |a Xie, Yao-qi  |e verfasserin  |4 aut 
700 1 |a Liao, Feng  |e verfasserin  |4 aut 
700 1 |a Feng, Xiao-wei  |e verfasserin  |4 aut 
700 1 |a Zhang, Du-fei  |e verfasserin  |4 aut 
700 1 |a Chen, Yu-wen  |e verfasserin  |4 aut 
700 1 |a Zhang, Ya-ming  |e verfasserin  |4 aut 
700 1 |a Huang, Mei-jiao  |e verfasserin  |4 aut 
700 1 |a Zeng, Xia  |e verfasserin  |4 aut 
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