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Irritable bowel syndrome (IBS) is traditionally defined as a functional disorder - that is the presence of symptoms in the absence of demonstrable pathological abnormalities. In recent times, low grade inflammatory infiltrates in both the small and large bowel of some patients with IBS - often rich in mast cells, along with serological markers of low grade(More)
Peptide hormones, like neurotransmitters, are traditionally thought to activate cells by interacting with receptor sites accessible only from the extracellular space. However, there is no available evidence that establishes whether intracellular injections of peptide secretagogues can or cannot initiate cell activation. In view of recent demonstration that(More)
Eosinophilic esophagitis (EoE) is now considered to represent a form of food allergy and this is demonstrated by a response to elimination diet in many patients. A critical additional factor may be an inherent impairment in epithelial barrier integrity, possibly worsened by reflux of gastric contents and improved with proton pump inhibitor (PPI) use. Key(More)
1. A two-micro-electrode voltage-clamp technique was applied to a study of the resting properties of mouse pancreatic acinar cell membranes and the action of acetylcholine (ACh). 2. The resting voltage-current relation was linear. The specific membrane resistance was calculated to be about 10 k omega cm2. This value was doubled after removal of Cl from the(More)
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