Genetic polymorphisms of molecules associated with inflammation and immune response in Japanese subjects with functional dyspepsia

Tomiyasu Arisawa, Tomomitsu Tahara, Tomoyuki Shibata, Mitsuo Nagasaka, Masakatsu Nakamura, Yoshio Kamiya, Hiroshi Fujita, Daisuke Yoshioka, Yuko Arima, Masaaki Okubo, Ichiro Hirata, Hiroshi Nakano

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Abstract

Inflammatory changes in the gastric mucosa are commonly observed in Japanese patients with functional dyspepsia (FD). However, detailed data regarding the relationship between the genetic regulatory factors of inflammation and FD are not available. We investigated the associations between FD and genetic polymorphisms of molecules associated with inflammation or immune response (IL-17A, -17F and MIF). The study was performed with 278 subjects (188 with no upper abdominal symptoms and 90 with FD according to the Roma III criteria). We employed the PCR-SSCP (multiplex PCR for IL-17A and -17F) method to detect the gene polymorphisms. Overall, the polymorphisms of the IL-17A, -17F and MIF genes were not correlated with the susceptibility to FD. However, the MIF -173C allele carrier had a significantly increased risk for the development of epigastric pain syndrome (EPS) of FD (OR, 2.12; 95% CI, 1.00-4.49; p=0.0497). In Helicobacter pylori (H. pylori)-infected cases, the number of IL-17F 7488T alleles was positively correlated with the development of EPS (OR, 11.3; 95% CI, 1.23-103.2; p=0.032), while the IL-17F T/T homozygote and the MIF -173C carrier had an increased risk for EPS (OR, 10.4; 95% CI, 1.17-92.3; p=0.036 and OR, 3.66; 95% CI, 1.19-11.3; p=0.024, respectively). In addition, a significant interaction between the IL-17F 7488 polymorphism and H. pylori infection was shown to increase the activity and inflammation scores (p=0.043 and 0.042, respectively). There were no significant associations between the IL-17A polymorphism and FD. Our results provide the first evidence that the IL-17F and MIF gene polymorphisms are significantly associated with the development of FD, particularly EPS, a subgroup of FD, in H. pylori-infected subjects. The genetic polymorphisms of inflammation or immune response-related molecules are involved in the development of one of the FD subgroups via H. pylori-induced gastric inflammation.

Original languageEnglish
Pages (from-to)717-723
Number of pages7
JournalInternational Journal of Molecular Medicine
Volume20
Issue number5
Publication statusPublished - 01-11-2007

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Interleukin-17
Dyspepsia
Genetic Polymorphisms
Inflammation
Helicobacter pylori
Pain
Alleles
Roma
Genes
Single-Stranded Conformational Polymorphism
Multiplex Polymerase Chain Reaction
Homozygote
Helicobacter Infections
Gastric Mucosa
Stomach

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

Arisawa, Tomiyasu ; Tahara, Tomomitsu ; Shibata, Tomoyuki ; Nagasaka, Mitsuo ; Nakamura, Masakatsu ; Kamiya, Yoshio ; Fujita, Hiroshi ; Yoshioka, Daisuke ; Arima, Yuko ; Okubo, Masaaki ; Hirata, Ichiro ; Nakano, Hiroshi. / Genetic polymorphisms of molecules associated with inflammation and immune response in Japanese subjects with functional dyspepsia. In: International Journal of Molecular Medicine. 2007 ; Vol. 20, No. 5. pp. 717-723.
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abstract = "Inflammatory changes in the gastric mucosa are commonly observed in Japanese patients with functional dyspepsia (FD). However, detailed data regarding the relationship between the genetic regulatory factors of inflammation and FD are not available. We investigated the associations between FD and genetic polymorphisms of molecules associated with inflammation or immune response (IL-17A, -17F and MIF). The study was performed with 278 subjects (188 with no upper abdominal symptoms and 90 with FD according to the Roma III criteria). We employed the PCR-SSCP (multiplex PCR for IL-17A and -17F) method to detect the gene polymorphisms. Overall, the polymorphisms of the IL-17A, -17F and MIF genes were not correlated with the susceptibility to FD. However, the MIF -173C allele carrier had a significantly increased risk for the development of epigastric pain syndrome (EPS) of FD (OR, 2.12; 95{\%} CI, 1.00-4.49; p=0.0497). In Helicobacter pylori (H. pylori)-infected cases, the number of IL-17F 7488T alleles was positively correlated with the development of EPS (OR, 11.3; 95{\%} CI, 1.23-103.2; p=0.032), while the IL-17F T/T homozygote and the MIF -173C carrier had an increased risk for EPS (OR, 10.4; 95{\%} CI, 1.17-92.3; p=0.036 and OR, 3.66; 95{\%} CI, 1.19-11.3; p=0.024, respectively). In addition, a significant interaction between the IL-17F 7488 polymorphism and H. pylori infection was shown to increase the activity and inflammation scores (p=0.043 and 0.042, respectively). There were no significant associations between the IL-17A polymorphism and FD. Our results provide the first evidence that the IL-17F and MIF gene polymorphisms are significantly associated with the development of FD, particularly EPS, a subgroup of FD, in H. pylori-infected subjects. The genetic polymorphisms of inflammation or immune response-related molecules are involved in the development of one of the FD subgroups via H. pylori-induced gastric inflammation.",
author = "Tomiyasu Arisawa and Tomomitsu Tahara and Tomoyuki Shibata and Mitsuo Nagasaka and Masakatsu Nakamura and Yoshio Kamiya and Hiroshi Fujita and Daisuke Yoshioka and Yuko Arima and Masaaki Okubo and Ichiro Hirata and Hiroshi Nakano",
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Arisawa, T, Tahara, T, Shibata, T, Nagasaka, M, Nakamura, M, Kamiya, Y, Fujita, H, Yoshioka, D, Arima, Y, Okubo, M, Hirata, I & Nakano, H 2007, 'Genetic polymorphisms of molecules associated with inflammation and immune response in Japanese subjects with functional dyspepsia', International Journal of Molecular Medicine, vol. 20, no. 5, pp. 717-723.

Genetic polymorphisms of molecules associated with inflammation and immune response in Japanese subjects with functional dyspepsia. / Arisawa, Tomiyasu; Tahara, Tomomitsu; Shibata, Tomoyuki; Nagasaka, Mitsuo; Nakamura, Masakatsu; Kamiya, Yoshio; Fujita, Hiroshi; Yoshioka, Daisuke; Arima, Yuko; Okubo, Masaaki; Hirata, Ichiro; Nakano, Hiroshi.

In: International Journal of Molecular Medicine, Vol. 20, No. 5, 01.11.2007, p. 717-723.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Genetic polymorphisms of molecules associated with inflammation and immune response in Japanese subjects with functional dyspepsia

AU - Arisawa, Tomiyasu

AU - Tahara, Tomomitsu

AU - Shibata, Tomoyuki

AU - Nagasaka, Mitsuo

AU - Nakamura, Masakatsu

AU - Kamiya, Yoshio

AU - Fujita, Hiroshi

AU - Yoshioka, Daisuke

AU - Arima, Yuko

AU - Okubo, Masaaki

AU - Hirata, Ichiro

AU - Nakano, Hiroshi

PY - 2007/11/1

Y1 - 2007/11/1

N2 - Inflammatory changes in the gastric mucosa are commonly observed in Japanese patients with functional dyspepsia (FD). However, detailed data regarding the relationship between the genetic regulatory factors of inflammation and FD are not available. We investigated the associations between FD and genetic polymorphisms of molecules associated with inflammation or immune response (IL-17A, -17F and MIF). The study was performed with 278 subjects (188 with no upper abdominal symptoms and 90 with FD according to the Roma III criteria). We employed the PCR-SSCP (multiplex PCR for IL-17A and -17F) method to detect the gene polymorphisms. Overall, the polymorphisms of the IL-17A, -17F and MIF genes were not correlated with the susceptibility to FD. However, the MIF -173C allele carrier had a significantly increased risk for the development of epigastric pain syndrome (EPS) of FD (OR, 2.12; 95% CI, 1.00-4.49; p=0.0497). In Helicobacter pylori (H. pylori)-infected cases, the number of IL-17F 7488T alleles was positively correlated with the development of EPS (OR, 11.3; 95% CI, 1.23-103.2; p=0.032), while the IL-17F T/T homozygote and the MIF -173C carrier had an increased risk for EPS (OR, 10.4; 95% CI, 1.17-92.3; p=0.036 and OR, 3.66; 95% CI, 1.19-11.3; p=0.024, respectively). In addition, a significant interaction between the IL-17F 7488 polymorphism and H. pylori infection was shown to increase the activity and inflammation scores (p=0.043 and 0.042, respectively). There were no significant associations between the IL-17A polymorphism and FD. Our results provide the first evidence that the IL-17F and MIF gene polymorphisms are significantly associated with the development of FD, particularly EPS, a subgroup of FD, in H. pylori-infected subjects. The genetic polymorphisms of inflammation or immune response-related molecules are involved in the development of one of the FD subgroups via H. pylori-induced gastric inflammation.

AB - Inflammatory changes in the gastric mucosa are commonly observed in Japanese patients with functional dyspepsia (FD). However, detailed data regarding the relationship between the genetic regulatory factors of inflammation and FD are not available. We investigated the associations between FD and genetic polymorphisms of molecules associated with inflammation or immune response (IL-17A, -17F and MIF). The study was performed with 278 subjects (188 with no upper abdominal symptoms and 90 with FD according to the Roma III criteria). We employed the PCR-SSCP (multiplex PCR for IL-17A and -17F) method to detect the gene polymorphisms. Overall, the polymorphisms of the IL-17A, -17F and MIF genes were not correlated with the susceptibility to FD. However, the MIF -173C allele carrier had a significantly increased risk for the development of epigastric pain syndrome (EPS) of FD (OR, 2.12; 95% CI, 1.00-4.49; p=0.0497). In Helicobacter pylori (H. pylori)-infected cases, the number of IL-17F 7488T alleles was positively correlated with the development of EPS (OR, 11.3; 95% CI, 1.23-103.2; p=0.032), while the IL-17F T/T homozygote and the MIF -173C carrier had an increased risk for EPS (OR, 10.4; 95% CI, 1.17-92.3; p=0.036 and OR, 3.66; 95% CI, 1.19-11.3; p=0.024, respectively). In addition, a significant interaction between the IL-17F 7488 polymorphism and H. pylori infection was shown to increase the activity and inflammation scores (p=0.043 and 0.042, respectively). There were no significant associations between the IL-17A polymorphism and FD. Our results provide the first evidence that the IL-17F and MIF gene polymorphisms are significantly associated with the development of FD, particularly EPS, a subgroup of FD, in H. pylori-infected subjects. The genetic polymorphisms of inflammation or immune response-related molecules are involved in the development of one of the FD subgroups via H. pylori-induced gastric inflammation.

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