Hepato-gastroenterology · 2009
779 TC of CCK-1 intron 1 is associated with postprandial syndrome (PDS) in Japanese male subjects.
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Tahara Tomomitsu, Arisawa Tomiyasu, Shibata Tomoyuki, Nakamura Masakatsu, Wang Fangyu, Yoshioka Daisuke, Okubo Masaaki, Maruyama Naoko, Kamano Toshiaki, Kamiya Yoshio, Nakamura Masahiko, Fujita Hiroshi, Nagasaka Mitsuo, Iwata Masami, Takahama Kazuya, Watanabe Makoto, Yamashita Hiromi, Nakano Hiroshi, Hirata Ichiro
Аннотация
BACKGROUND/AIMS: The role of genetics in the susceptibility to functional dyspepsia (FD) is not well established. Cholecystokinin (CCK) is released from enteroendocrine cells in the duodenal mucosa after food ingestion and signals satiation through peripheral or central actions. A common polymorphisms of CCK and it's receptor gene has been shown to be associated with panic disorder and schizophrenia. It was investigated the prevalence of CCK polymorphism in dyspeptic patients in a Japanese population.
METHODOLOGY: A total of 124 dyspeptic patients, 119 non-symptomatic healthy controls participated in this study. Dyspeptic patients were also classified by Rome III criteria. T779C of Cholecystokinin (CCK)-1 intron 1, by polymerase chain reaction-restriction fragment length polymorphism. H. pylori infection status was examined by histology or antibody against H. pylori.
RESULTS: Although frequency of CCK-1 polymorphisms in overall dyspeptic patients, subgroups by Roma III criteria and non-symptomatic healthy controls did not show any significant differences, 779 T carriers significantly increased the risk of postprandial syndrome (PDS) in male subjects (53.5% vs, 84.2; OR = 4.63, 95% CI = 1.24-17.31, p = 0.018). This significant association was also remained after logistic regression analysis with adjustment for age and H. pylori infection status (OR = 4.99, 95% CI = 1.31-18.95, p = 0.018). In female and different H. pylori infection status, no significant association was observed between CCK-1 polymorphisms and dyspepsia.
CONCLUSION: Our data suggest that the 779 T carriers of CCK-1 intron 1 is associated with an increased risk of PDS in Japanese male subjects.
METHODOLOGY: A total of 124 dyspeptic patients, 119 non-symptomatic healthy controls participated in this study. Dyspeptic patients were also classified by Rome III criteria. T779C of Cholecystokinin (CCK)-1 intron 1, by polymerase chain reaction-restriction fragment length polymorphism. H. pylori infection status was examined by histology or antibody against H. pylori.
RESULTS: Although frequency of CCK-1 polymorphisms in overall dyspeptic patients, subgroups by Roma III criteria and non-symptomatic healthy controls did not show any significant differences, 779 T carriers significantly increased the risk of postprandial syndrome (PDS) in male subjects (53.5% vs, 84.2; OR = 4.63, 95% CI = 1.24-17.31, p = 0.018). This significant association was also remained after logistic regression analysis with adjustment for age and H. pylori infection status (OR = 4.99, 95% CI = 1.31-18.95, p = 0.018). In female and different H. pylori infection status, no significant association was observed between CCK-1 polymorphisms and dyspepsia.
CONCLUSION: Our data suggest that the 779 T carriers of CCK-1 intron 1 is associated with an increased risk of PDS in Japanese male subjects.