Summary
The levels of serum pepsinogen I (PG I) and pepsinogen II (PG II) were determined by IRMA (immunoradiometric assay) and the ratio of PG I/II calculated in 37 patients with type A gastritis and concomitant pernicious anemia (PA) and in 97 with chronic gastritis (type B gastritis) among Japanese. In several patients from each group, PG I and PG II in the gastric mucosa were stained by an enzyme antibody assay to compare the percentage of positively stained cells with levels of serum PG I and PG II. The levels of serum PG I and PG II in chronic gastritis decreased as the degree of atrophy increased. Serum PG I and PG II levels in PA were lower than those of patients with severe atrophy. Most of serum PG I levels in PA were less than 10 ng/ml. The PG I/II ratio also decreased as the severity of atrophy increased, distinctly showing that in PA, the ratio were quite low and most of them are less than 1.0. Gastric mucosal pepsinogen showed a tendency similar to that of serum levels and also refrected the degree of atrophy. Therefore, by measuring these parameters it should be easier to determine the extent of atrophy, and to establish a serological diagnosis of type A gastritis associated with PA.
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Haruki, K., Kurokawa, K., Adachi, H. et al. Serum and gastric mucosal pepsinogens in atrophic gastritis, particularly in type A gastritis associated with pernicious anemia in Japanese. Gastroenterol Jpn 28, 359–366 (1993). https://doi.org/10.1007/BF02776979
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DOI: https://doi.org/10.1007/BF02776979