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  • Title: IL-10 polymorphism is associated with increased incidence of severe sepsis.
    Author: Shu Q, Fang X, Chen Q, Stuber F.
    Journal: Chin Med J (Engl); 2003 Nov; 116(11):1756-9. PubMed ID: 14642153.
    Abstract:
    OBJECTIVE: To investigate whether three biallelic polymorphisms at positions -592, -819 and -1082 in the promoter region of the IL-10 gene are associated with increased incidence of severe sepsis. METHODS: The IL-10 -592, -819 and -1082 polymorphisms were typed using polymerase chain reaction followed by digestion with the restriction enzymes RsaI, MaeIII and MnlI, respectively. RESULTS: Patients with severe sepsis were more likely to have IL-10 -1082 allele 1, compared with controls (P < 0.05). Genotype distribution of the IL-10 -1082 polymorphism significantly differed between patients and controls (P < 0.05). However, the allele frequencies and genotype distribution of the IL-10 -1082 polymorphism did not differ between surviving and dead patients (P > 0.05). No significant differences in the genotype distribution and allele frequencies of the IL-10 -592 and IL-10 -819 polymorphisms were observed between patients with severe sepsis and healthy controls, nor between surviving and dead patients (P > 0.05). CONCLUSIONS: The polymorphism at position -1082 in the promoter region of the IL-10 gene may be associated with susceptibility to severe sepsis. In contrast, the other two highly linked IL-10 polymorphisms are not associated with incidence or the outcome of severe sepsis.
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