Abstract:
:Inflammatory changes in the gastric mucosa are commonly observed in Japanese patients with functional dyspepsia (FD). However, detailed data regarding the possible association between the genetic factors of inflammation related molecules and FD are not available. Toll like receptor 2 (TLR2) and mannan-binding lectin (MBL) protein play important roles in the innate immune activation. We aimed to clarify the association between common polymorphisms of TLR2 and MBL2 genes with FD in Japanese subjects. TLR2 -196 to -174 del and MBL2 codon54 G/A polymorphisms were genotyped in 111 FD patients according to Rome III criteria and 106 asymptomatic controls. Non-significant correlation was found between TLR2 and MBL2 polymorphisms with FD. However, in Helicobacter pylori (H. pylori) positives, we found significant inverse association between TLR2 -196 to -174 del carrier and FD among H. pylori positive subjects (Adjusted odds ratio (OR) = 0.48, 95% confidence interval (CI) = 0.23-0.996, p = 0.0488). We also found significant inverse association between the same genotype with postprandial distress syndrome (PDS) among H. pylori positive subjects (Adjusted OR = 0.22, 95% CI = 0.07-0.69, p = 0.0099). Our data suggest that TLR2 -196 to -174 del carriers's status but not MBL2 codon54 G/A is inversely related to the risk with FD in H. pylori-infected subjects.
journal_name
J Clin Biochem Nutrjournal_title
Journal of clinical biochemistry and nutritionauthors
Tahara T,Shibata T,Wang F,Yamashita H,Hirata I,Arisawa Tdoi
10.3164/jcbn.10-40subject
Has Abstractpub_date
2010-11-01 00:00:00pages
217-23issue
3eissn
0912-0009issn
1880-5086journal_volume
47pub_type
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