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Cholecystokinin (CCK) is an early marker of both neuronal and endocrine cell lineages in the developing gastrointestinal tract. To determine the quantitative properties and the spatial distribution of the CCK-expressing myenteric neurones in early postnatal life, a transgenic mouse strain with a CCK promoter-driven red fluorescent protein (DsRedT3/CCK) was(More)
OBJECTIVE Damage in the capillaries supplying the MP has been proposed as a critical factor in the development of diabetic enteric neuropathy. We therefore investigated connections between STZ-induced diabetes and the BM morphology, the size of caveolar compartments, the width of TJs, the transport of albumin, and the quantitative features of Cav-1 and eNOS(More)
We recently provided evidence of cell-type-specific differences in the subcellular distributions of the three nitric oxide synthase (NOS) isoforms in the myenteric neurons, enteric smooth muscle cells and the capillary endothelium of the rat duodenum. We hypothesized that the presence of three NOS isoforms in the same type of cells with differences in(More)
BACKGROUND Methane is part of the gaseous environment of the intestinal lumen. The purpose of this study was to elucidate the bioactivity of exogenous methane on the intestinal barrier function in an antigen-independent model of acute inflammation. METHODS Anesthetized rats underwent sham operation or 45-min occlusion of the superior mesenteric artery. A(More)
AIM To establish a rat model suitable to investigate the repetitive relapsing inflammations (RRI) characteristic to Crohn's disease. METHODS Colitis was induced by 2,4,6-trinitrobenzenesulfonic acid (TNBS). RRI were mimicked by repeating administrations of TNBS. Tissue samples were taken from control, once, twice and three times treated rats from the(More)
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