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pubmed:abstractText |
Gastroparesis is a well-recognized complication of diabetes. In diabetics, up-regulation of heme oxygenase-1 (HO1) in gastric macrophages protects against oxidative stress-induced damage. Loss of up-regulation of HO1, the subsequent increase in oxidative stress, and loss of Kit delays gastric emptying; this effect is reversed by induction of HO1. Macrophages have pro- and anti-inflammatory activities, depending on their phenotype. We investigated the number and phenotype of gastric macrophages in NOD/ShiLtJ (nonobese diabetic [NOD]) mice after onset of diabetes, when delayed gastric emptying develops, and after induction of HO1 to reverse delay.
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