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Original Article

Diurnal Profile of Oxyntomodulin-like Immunoreactivity in Duodenal Ulcer Patients

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Pages 816-820 | Received 25 Nov 1992, Accepted 13 Apr 1993, Published online: 08 Jul 2009
 

Abstract

Le Quellec A, Kervran A, Blache P, Ciurana AJ, Bataille D. Diurnal profile of oxyntomodulin-like immunoreactivity in duodenal ulcer patients. Scand J Gastroenterol 1993;28:816-820.

Plasma concentrations of oxyntomodulin-like immunoreactivity, a group of intestinal peptides capable of mediating an enterogastrone signal, were measured during a 24-h period in 6 duodenal ulcer patients and compared with those of 16 age-matched controls. Each subject was submitted to 18 oxyntomodulin-like immunoreactivity determinations. Four standardized meals were given during the test. Furthermore, each patient was evaluated for peak acid output after pentagastrin stimulation. The values of the duodenal ulcer subjects were predominantly within normal acid secretion limits. Fasting levels, meal-induced variations, and nocturnal production of oxyntomodulin-like immunoreactivity were similar in the two groups. A negative correlation was observed between peak acid output and oxyntomodulin-like immunoreactivity evaluated either as nocturnal production or as maximum nyctohemeral concentration. We conclude that, taken as a whole, duodenal ulcer disease is not caused by a defect in oxyntomodulin-like immunoreactivity secretion. However, this study does not rule out the possibility of a selective deficiency of these peptides in some duodenal ulcer subgroups such as hypersecretory patients.

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