Quantitative measurement of intestinal marker enzymes in intestinal metaplasia from human stomach with cancer. 1979

N Matsukura, and M Kinebuchi, and T Kawachi, and S Sato, and T Sugimura

Intestinal metaplasia in human stomach was distinguished macroscopically into sucrase-positive and trehalase-positive areas, and sucrase-positive and trehalase-negative areas, by location of these disaccharidase activities with TES-Tape. After location of these two areas with TES-Tape, tissues were taken from them for colorimetric measurement of sucrase, trehalase, leucine aminopeptidase (LAP), and alkaline phosphatase (ALP). Results showed that in the mucosa from sucrase-positive and trehalase-negative areas, trehalase activity was not detectable and the activities of sucrase, LAP, and ALP were lower than in sucrase-positive and trehalase-positive areas.

UI MeSH Term Description Entries
D007931 Leucyl Aminopeptidase A zinc containing enzyme of the hydrolase class that catalyzes the removal of the N-terminal amino acid from most L-peptides, particularly those with N-terminal leucine residues but not those with N-terminal lysine or arginine residues. This occurs in tissue cell cytosol, with high activity in the duodenum, liver, and kidney. The activity of this enzyme is commonly assayed using a leucine arylamide chromogenic substrate such as leucyl beta-naphthylamide. Cytosol Aminopeptidase,Leucine Aminopeptidase,L-Leucylnaphthylamidase,Methoxyleucine Aminopeptidase,Peptidase S,Zinc-Manganese-Leucine Aminopeptidase,Aminopeptidase, Cytosol,Aminopeptidase, Leucine,Aminopeptidase, Leucyl,Aminopeptidase, Methoxyleucine,Aminopeptidase, Zinc-Manganese-Leucine,Zinc Manganese Leucine Aminopeptidase
D008679 Metaplasia A condition in which there is a change of one adult cell type to another similar adult cell type.
D003124 Colorimetry Any technique by which an unknown color is evaluated in terms of standard colors. The technique may be visual, photoelectric, or indirect by means of spectrophotometry. It is used in chemistry and physics. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
D005753 Gastric Mucosa Lining of the STOMACH, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. The surface cells produce MUCUS that protects the stomach from attack by digestive acid and enzymes. When the epithelium invaginates into the LAMINA PROPRIA at various region of the stomach (CARDIA; GASTRIC FUNDUS; and PYLORUS), different tubular gastric glands are formed. These glands consist of cells that secrete mucus, enzymes, HYDROCHLORIC ACID, or hormones. Cardiac Glands,Gastric Glands,Pyloric Glands,Cardiac Gland,Gastric Gland,Gastric Mucosas,Gland, Cardiac,Gland, Gastric,Gland, Pyloric,Glands, Cardiac,Glands, Gastric,Glands, Pyloric,Mucosa, Gastric,Mucosas, Gastric,Pyloric Gland
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000469 Alkaline Phosphatase An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.1.
D013274 Stomach Neoplasms Tumors or cancer of the STOMACH. Cancer of Stomach,Gastric Cancer,Gastric Neoplasms,Stomach Cancer,Cancer of the Stomach,Gastric Cancer, Familial Diffuse,Neoplasms, Gastric,Neoplasms, Stomach,Cancer, Gastric,Cancer, Stomach,Cancers, Gastric,Cancers, Stomach,Gastric Cancers,Gastric Neoplasm,Neoplasm, Gastric,Neoplasm, Stomach,Stomach Cancers,Stomach Neoplasm
D013393 Sucrase Digestive enzyme secreted in the INTESTINES. It catalyzes hydrolysis of SUCROSE to FRUCTOSE and GLUCOSE. Mutansucrase,Sucrose alpha-D-Glucohydrolase,Sucrose alpha D Glucohydrolase,alpha-D-Glucohydrolase, Sucrose
D014198 Trehalase An enzyme that catalyzes the conversion of alpha,alpha-trehalose and water to D-glucose. EC 3.2.1.28.

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