N-nitrosoproline excretion in patients with gastric lesions and in a control population. 1988

T M Knight, and D Forman, and S Leach, and P Packer, and C Vindigni, and C Minacci, and L Lorenzini, and P Tosi, and G Frosini, and M Marini
Imperial Cancer Research Fund, Radcliffe Infirmary, Oxford, UK.

N-Nitrosoproline (NPRO) excretion was measured in a group of hospital in-patients who were identified as either bearing gastric lesions or having apparently healthy stomachs. NPRO was assayed in background 24-h urine samples and then in urines collected after loading doses of nitrate and proline. The presence of gastric lesions was associated with altered gastric juice pH and nitrite concentration, but not with NPRO excretion. The significance of NPRO excretion as a marker of endogenous nitrosation is dependent on the interpretation of this result.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009566 Nitrates Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. Nitrate
D009573 Nitrites Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M Nitrite
D009602 Nitrosamines A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties. Nitrosamine
D005745 Gastric Acidity Determination Gastric analysis for determination of free acid or total acid. Acidity Determination, Gastric,Acidity Determinations, Gastric,Determination, Gastric Acidity,Determinations, Gastric Acidity,Gastric Acidity Determinations
D005750 Gastric Juice The liquid secretion of the stomach mucosa consisting of hydrochloric acid (GASTRIC ACID); PEPSINOGENS; INTRINSIC FACTOR; GASTRIN; MUCUS; and the bicarbonate ion (BICARBONATES). (From Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p651) Gastric Juices,Juice, Gastric,Juices, Gastric
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013272 Stomach Diseases Pathological processes involving the STOMACH. Gastric Diseases,Disease, Gastric,Disease, Stomach,Diseases, Gastric,Diseases, Stomach,Gastric Disease,Stomach Disease

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