Different Effects of Oral Administration of Synthetic Trypsin Inhibitor on the Pancreas Between Cholecystokinin-A Receptor Gene Knockout Mice and Wild Type Mice
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概要
- 論文の詳細を見る
The synthetic trypsin inhibitor camostat has been used for the treatment of acute and chronic pancreatitis in Japan based on the evidences obtained from a rat experimental model. However, rats differ from other rodents and from humans in terms of lacking a gallbladder and no response of pancreatic bicarbonate secretion to cholecystokinin (CCK). In the present study, we determined whether oral administration of camostat showed a trophic effect in mice as observed in rats and whether the trophic effect, if substantial, was mediated via the CCK-A receptor, using CCK-A receptor gene targeting mice. The chow containing 0.1% camostat was fed to 8-month-old mice. Three- and seven-day treatments with camostat did not affect pancreatic wet weight in CCK-A receptor (+/−) mice. After 14-day treatment, the ratio of pancreatic wet weight/body weight was significantly lower in CCK-A receptor (−/−) than (+/+) mice. The protein and chymotrypsin contents were lower and amylase content was higher in CCK-A receptor (−/−) mice, compared to (+/+) mice. No pathological findings were observed by histological examination. Camostat has a trophic effect on the pancreas in mice and this effect is mediated via the CCK-A receptor, but is less potent than in rats.
- 社団法人 日本薬理学会の論文
- 2002-07-01
著者
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NODA TETSUO
Department of Cell Biology, Japanese Foundation for Cancer Research-Cancer Institute
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FUNAKOSHI Akihiro
Department of Gastroenterology, National Kyushu Cancer Center
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Noda Tetsuo
The Cancer Institute Japanese Foundation For Cancer Research
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Ohta Minoru
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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KANAI Setsuko
Department of Clinical Physiology, Tokyo Metropolitan Institute of Gerontology
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MIYASAKA Kyoko
Department of Clinical Physiology, Tokyo Metropolitan Institute of Gerontology
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FUNAKOSHI Akihiro
Division of Gastroenterology, Kyushu Cancer Center
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SATO NORIKAZU
Department of Clinical Physiology, Tokyo Metropolitan Institute of Gerontology
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JIMI ATSUO
The First Department of Pathology, Kurume University Medical School
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SUZUKI Shinji
Department of Clinical Physiology, Tokyo Metropolitan Institute of Gerontology
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JIMI Atsuo
First Department of Pathology, Kurume University School of Medicine
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TAKIGUCHI Souichi
Division of Chemotherapy National Kyushu Cancer Center
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Noda T
The Cancer Institute Japanese Foundation For Cancer Research
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Jimi Atsuo
The First Department Of Pathology Kurume University Medical School
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Jimi Atsuo
First Department Of Pathology
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Miyasaka Kyoko
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Kanai Setsuko
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Sato N
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Suzuki Shinji
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Miyahara K
Department Of Molecular Biotechnology Faculty Of Engineering Hiroshima University
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Nagai Tetsu
Department Of Surgery I Fukuoka University School Of Medicine
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Funakoshi A
National Kyushu Cancer Center Fukuoka Jpn
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Funakoshi Akihiro
Division Of Gastroenterology National Kyushu Cancer Center
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Sato Norikazu
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Shimazoe Takao
The Department Of Pharmacology Graduate School Of Pharmaceutical Science Kyushu University
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Funakoshi Akihiro
Department Of Digestive Diseases National Kyushu Cancer Center
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Takiguchi Soichi
Division Of Clinical Research National Kyushu Cancer Center
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Noda Tetsuo
Department Of Cell Biology Cancer Institute Japanese Foundation For Cancer Research
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Suzuki S
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Tahara S
Redox Regulation Research Group Tokyo Metropolitan Institute Of Gerontology
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Tahara Shoichi
Redox Regulation Research Group Tokyo Metropolitan Institute Of Gerontology
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Ohta M
Department Of Clinical Physiology Tokyo Metropolitan Institute Of Gerontology
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Suzuki Shinji
Department Of Aeronautics And Astronautics The University Of Tokyo
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Ohta Minoru
Department Of Animal Science Faculty Of Agriculture Tohoku University
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Funakoshi Akihiro
The Department Of Gastroenterology National Kyushu Cancer Center
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