Gastrin stimulates epithelial cell proliferation in the oesophagus of rats. 1998

Y Van Nieuwenhove, and T De Backer, and D Chen, and R Håkanson, and G Willems
Department of Experimental Surgery, Free University of Brussels, Belgium. yvnieuwe@heel.vub.ac.be

Gastrin can induce mitotic stimulation in the oxyntic mucosa of the stomach, sometimes leading to abnormal growth. We examined whether gastrin was able to influence cell proliferation in the oesophageal epithelium. Rats were treated with gastrin, omeprazole or saline for 3 days, or were subjected to fundectomy or sham operation. Bromodeoxyuridine labelling (LI) and mitotic (MI) indices were counted in the proliferative zone of the squamous epithelium. Infusion of exogenous gastrin, treatment with omeprazole or fundectomy raised the LI and the MI values in the oesophageal epithelium, indicating that gastrin stimulates cell proliferation in the oesophageal mucosa in the rat.

UI MeSH Term Description Entries
D008297 Male Males
D008940 Mitotic Index An expression of the number of mitoses found in a stated number of cells. Index, Mitotic,Indices, Mitotic,Mitotic Indices
D009853 Omeprazole A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS. H 168-68,Omeprazole Magnesium,Omeprazole Sodium,Prilosec,H 168 68,H 16868,Magnesium, Omeprazole,Sodium, Omeprazole
D001973 Bromodeoxyuridine A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. BUdR,BrdU,Bromouracil Deoxyriboside,Broxuridine,5-Bromo-2'-deoxyuridine,5-Bromodeoxyuridine,NSC-38297,5 Bromo 2' deoxyuridine,5 Bromodeoxyuridine,Deoxyriboside, Bromouracil
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D004847 Epithelial Cells Cells that line the inner and outer surfaces of the body by forming cellular layers (EPITHELIUM) or masses. Epithelial cells lining the SKIN; the MOUTH; the NOSE; and the ANAL CANAL derive from ectoderm; those lining the RESPIRATORY SYSTEM and the DIGESTIVE SYSTEM derive from endoderm; others (CARDIOVASCULAR SYSTEM and LYMPHATIC SYSTEM) derive from mesoderm. Epithelial cells can be classified mainly by cell shape and function into squamous, glandular and transitional epithelial cells. Adenomatous Epithelial Cells,Columnar Glandular Epithelial Cells,Cuboidal Glandular Epithelial Cells,Glandular Epithelial Cells,Squamous Cells,Squamous Epithelial Cells,Transitional Epithelial Cells,Adenomatous Epithelial Cell,Cell, Adenomatous Epithelial,Cell, Epithelial,Cell, Glandular Epithelial,Cell, Squamous,Cell, Squamous Epithelial,Cell, Transitional Epithelial,Cells, Adenomatous Epithelial,Cells, Epithelial,Cells, Glandular Epithelial,Cells, Squamous,Cells, Squamous Epithelial,Cells, Transitional Epithelial,Epithelial Cell,Epithelial Cell, Adenomatous,Epithelial Cell, Glandular,Epithelial Cell, Squamous,Epithelial Cell, Transitional,Epithelial Cells, Adenomatous,Epithelial Cells, Glandular,Epithelial Cells, Squamous,Epithelial Cells, Transitional,Glandular Epithelial Cell,Squamous Cell,Squamous Epithelial Cell,Transitional Epithelial Cell
D004947 Esophagus The muscular membranous segment between the PHARYNX and the STOMACH in the UPPER GASTROINTESTINAL TRACT.
D005755 Gastrins A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. Gastrin
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012965 Sodium Chloride A ubiquitous sodium salt that is commonly used to season food. Sodium Chloride, (22)Na,Sodium Chloride, (24)NaCl

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