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Título: Diabetic state affects the innervation of gut in an animal model of human type 1 diabetes
Fecha de publicación: 2000
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::6 - Ciencias aplicadas::61 - Medicina
Palabras clave: Diabetes
Gastrointestinal tract
Resumen: Gastrointestinal symptoms in diabetic patients are commonplace, and are believed to be due, at least partly, to neuropathy of the gut. In the present study, therefore, some important neurotransmitters in the myenteric plexus were investigated in non-obese diabetic mice, an animal model of human type 1 diabetes. For this purpose, immunocytochemistry was applied on sections from antrum, duodenum and colon, subsequently quantified by computerized image analysis. Whereas the number of vasoactive intestinal peptide (VIP)-positive neurons was increased in antral myenteric ganglia of diabetic mice, there was a decreased density of nerve fibres in muscularis propria. No difference was seen in the VIP of duodenum and colon. Acetylcholinecontaining nerve fibres showed an increased volume density in muscularis propria of antrum and duodenum, but a decreased density in colon of diabetic mice, as compared with controls. There was a decreased number of neurons containing nitric oxide synthase (NOS) in myenteric ganglia of antrum and duodenum. No difference was seen in density of NOS-containing nerve fibres in muscularis propria. There was no difference regarding neuropeptide Y (NPY) and galanin between diabetic and control mice; nor was there any difference between pre-diabetic NOD mice and controls regarding all bioactive substances investigated. It is concluded that the diabetic state affects the innervation of gut in this animal model. The present findings may be of some relevance to the gastrointestinal symptoms seen in patients with diabetes.
Autor/es principal/es: Spangeus, A.
Suhr, O.
El-Salhy, M.
Forma parte de: Histology and histopathology
URI: http://hdl.handle.net/10201/19340
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 6
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol.15, nº 3 (2000)

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