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As postprandial antropyloric coordination plays an important role in mediating solid gastric emptying, we hypothesize that the elevated plasma ghrelin levels increase postprandial antropyloric coordination to accelerate emptying in the early stages of diabetes. To test this hypothesis, rats were made diabetic by streptozotocin (STZ; 50 mg\/kg) injection, and, 2 wk later, pre- and postprandial plasma ghrelin levels, antropyloric coordination, and solid gastric emptying were determined. In control rats, plasma ghrelin levels were immediately reduced after feeding. In contrast, plasma ghrelin levels remained within the fasted levels in STZ rats after feeding. In STZ rats, gastric emptying was significantly accelerated (77.4 \u00b1 3.2%, n = 6), compared with that of control rats (58.8 \u00b1 2.5%, n = 6, P &lt; 0.05). Treatments with anti-ghrelin antibodies attenuated accelerated gastric emptying in STZ rats (50.1 \u00b1 3.5%, n = 6, P &lt; 0.05), while having little effect in vehicle control rats. The incidence of postprandial antropyloric coordination was significantly increased in STZ rats, compared with that of control rats ( P &lt; 0.05). Treatments with anti-ghrelin antibodies suppressed this enhanced antropyloric coordination in STZ rats. Our study suggests that elevated endogenous ghrelin enhances antropyloric coordination, which accelerates gastric emptying in the early stages of diabetes.<\/jats:p>","DOI":"10.1152\/ajpregu.00785.2007","type":"journal-article","created":{"date-parts":[[2008,4,3]],"date-time":"2008-04-03T01:55:39Z","timestamp":1207187739000},"page":"R1807-R1812","source":"Crossref","is-referenced-by-count":22,"title":["Does ghrelin explain accelerated gastric emptying in the early stages of diabetes 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