PMID- 18579697 OWN - NLM STAT- MEDLINE DCOM- 20081007 LR - 20211216 IS - 1556-679X (Electronic) IS - 1556-6811 (Print) IS - 1556-679X (Linking) VI - 15 IP - 8 DP - 2008 Aug TI - Influence of host interleukin-10 polymorphisms on development of traveler's diarrhea due to heat-labile enterotoxin-producing Escherichia coli in travelers from the United States who are visiting Mexico. PG - 1194-8 LID - 10.1128/CVI.00070-08 [doi] AB - Up to 60% of U.S. visitors to Mexico develop traveler's diarrhea (TD), mostly due to enterotoxigenic Escherichia coli (ETEC) strains that produce heat-labile (LT) and/or heat-stable (ST) enterotoxins. Distinct single-nucleotide polymorphisms (SNPs) within the interleukin-10 (IL-10) promoter have been associated with high, intermediate, or low production of IL-10. We conducted a prospective study to investigate the association of SNPs in the IL-10 promoter and the occurrence of TD in ETEC LT-exposed travelers. Sera from U.S. travelers to Mexico collected on arrival and departure were studied for ETEC LT seroconversion by using cholera toxin as the antigen. Pyrosequencing was performed to genotype IL-10 SNPs. Stools from subjects who developed diarrhea were also studied for other enteropathogens. One hundred twenty-one of 569 (21.3%) travelers seroconverted to ETEC LT, and among them 75 (62%) developed diarrhea. Symptomatic seroconversion was more commonly seen in subjects who carried a genotype producing high levels of IL-10; it was seen in 83% of subjects with the GG genotype versus 54% of subjects with the AA genotype at IL-10 gene position -1082 (P, 0.02), in 71% of those with the CC genotype versus 33% of those with the TT genotype at position -819 (P, 0.005), and in 71% of those with the CC genotype versus 38% of those with the AA genotype at position -592 (P, 0.02). Travelers with the GCC haplotype were more likely to have symptomatic seroconversion than those with the ATA haplotype (71% versus 38%; P, 0.002). Travelers genetically predisposed to produce high levels of IL-10 were more likely to experience symptomatic ETEC TD. FAU - Flores, Jose AU - Flores J AD - Division of Infectious Diseases, The University of Texas Medical School, 6431 Fannin Street, Houston, TX 77030, USA. FAU - DuPont, Herbert L AU - DuPont HL FAU - Lee, Stephanie A AU - Lee SA FAU - Belkind-Gerson, Jaime AU - Belkind-Gerson J FAU - Paredes, Mercedes AU - Paredes M FAU - Mohamed, Jamal A AU - Mohamed JA FAU - Armitige, Lisa Y AU - Armitige LY FAU - Guo, Dong-Chuan AU - Guo DC FAU - Okhuysen, Pablo C AU - Okhuysen PC LA - eng GR - R01 AI54948-01/AI/NIAID NIH HHS/United States GR - P30 DK056338/DK/NIDDK NIH HHS/United States GR - DK56338/DK/NIDDK NIH HHS/United States GR - UL1 RR024148/RR/NCRR NIH HHS/United States GR - R01 AI054948-05/AI/NIAID NIH HHS/United States GR - R01 AI054948/AI/NIAID NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural DEP - 20080625 PL - United States TA - Clin Vaccine Immunol JT - Clinical and vaccine immunology : CVI JID - 101252125 RN - 0 (Bacterial Toxins) RN - 0 (Enterotoxins) RN - 0 (Escherichia coli Proteins) RN - 130068-27-8 (Interleukin-10) RN - D9K3SN2LNY (heat-labile enterotoxin, E coli) SB - IM MH - Adult MH - Bacterial Toxins/*metabolism MH - Diarrhea/*genetics/immunology/microbiology/physiopathology MH - Enterotoxigenic Escherichia coli/metabolism/*pathogenicity MH - Enterotoxins/*metabolism MH - Escherichia coli Infections/*genetics/immunology/microbiology/physiopathology MH - Escherichia coli Proteins/*metabolism MH - Female MH - Humans MH - Interleukin-10/*genetics MH - Male MH - Mexico MH - Middle Aged MH - *Polymorphism, Single Nucleotide MH - *Travel MH - United States PMC - PMC2519301 EDAT- 2008/06/27 09:00 MHDA- 2008/10/08 09:00 PMCR- 2009/02/01 CRDT- 2008/06/27 09:00 PHST- 2008/06/27 09:00 [pubmed] PHST- 2008/10/08 09:00 [medline] PHST- 2008/06/27 09:00 [entrez] PHST- 2009/02/01 00:00 [pmc-release] AID - CVI.00070-08 [pii] AID - 0070-08 [pii] AID - 10.1128/CVI.00070-08 [doi] PST - ppublish SO - Clin Vaccine Immunol. 2008 Aug;15(8):1194-8. doi: 10.1128/CVI.00070-08. Epub 2008 Jun 25.