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In congenital hyperinsulinism of infancy (CHI), the loss of K-ATP channels (composed of Kir6.2 and SUR1 subunits) in β cells induces permanent insulin secretion and severe hypoglycaemia. By contrast, Sur1−/− mice do not present such defects. We have investigated the impact of Sur1 gene inactivation on mouse islet cell morphology, structure and basic physiology. Pancreata were collected from young,...
Most myenteric neurons contain one of the two generating enzymes for major excitatory and inhibitory neurotransmitters: choline acetyltransferase (ChAT) or neuronal nitric oxide synthase (NOS). Two minor groups of myenteric neurons contain either both enzymes or neither. Our study had two aims: (1) to compare the proportions of neurons stained for ChAT and/or NOS in human small and large intestinal...
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