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Impact of lipoprotein lipase gene polymorphisms on ulcerative colitis

World Journal of Gastroenterology 2006年第39期12卷 6325-6330页

作者： Toshihito Kosaka Junji Yoshino Kazuo Inui Takao Wakabayashi Kazumu Okushima Takashi Kobayashi Hironao Miyoshi Yuta Nakamura Shigekazu Hayashi Taizou Shiraishi Masatoshi Watanabe Takayuki Yamamoto Ai Nakahara takahiko katoh Department of Internal Medicine Second Teaching Hospital Fujita Health University School of Medicine 3-6-10 Otobashi Nakagawaku Nagoya 454-8509 Japan Department of Gastroenterology Nagoya Ekisaikai Hospital 4-66 Shounencho Nakagawaku Nagoya 454-8502 Japan Department of Pathologic Oncology Mie University Graduate School of Medicine 2-174 Edobashi Tsu Mie 514-8507 Japan School of Engineering Yokohama National University 79-5 Tokiwadai Hodogaya-ku Yokohama 240-8501 Japan Inflammatory bowel disease centre and department of surgery Yokkaichi Social Insulance Hospital 10-8 Hazuyamacho Yokkaichi Mie Japan Department of Public Health Miyazaki Medical College University of Miyazaki 5200 Kihara Miyazaki 889-1692 Japan

AIM: To examine the influence of lipoprotein lipase (LPL) gene polymorphism in ulcerative colitis (UC) patients. METHODS: Peripheral blood was obtained from 131 pa- tients with UC and 106 healthy controls for DNA extrac- tion. We determined LPL gene polymorphisms affecting the enzyme at Ser447stop, as well as HindⅢ and Pvu Ⅱ polymorphisms using PCR techniques. PCR products were characterized by PCR-RFLP and direct sequencing. Polymorphisms were examined for association with clini- cal features in UC patients. Genotype frequencies for LPL polymorphisms were also compared between UC patients and controls. RESULTS: In patients with onset at age 20 years or younger, C/G and G/G genotypes for Ser447stop poly- morphism were more prevalent than C/C genotype (OR = 3.13, 95% CI = 0.95-10.33). Patients with H+/- or H-/-genotype for HindⅢ polymorphism also were more nu- merous than those with H+/+ genotype (OR = 2.51, 95% CI = 0.85-7.45). In the group with H+/+ genotype for HindⅢ polymorphism, more patients had serum triglyc- eride concentrations over 150 mg/dL than patients with H+/- or H-/- genotype (P < 0.01, OR = 6.46, 95% CI = 1.39-30.12). Hypertriglycemia was also more prevalent in patients with P+/+ genotypes for PvuⅡ polymorphism (P < 0.05, OR = 3.0, 95% CI = 1.06-8.50). Genotype fre- quency for LPL polymorphism did not differ significantly between UC patients and controls. CONCLUSION: Ser447stop and HindⅢ LPL polymor- phisms may influence age of onset of UC, while HindⅢ and PvuⅡ polymorphisms influence serum triglyceride in UC patients.

关键词：脂蛋白肠溃疡基因多态性病理

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