S cell

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Script error: No such module "For". Template:Infobox cell S cells or Secretin cells are cells which release secretin, found in the jejunum and duodenum.[1] They are stimulated by a drop in pH to 4 or below in the small intestine's lumen. The released secretin will increase the secretion of bicarbonate (Page Module:Chem2/styles.css has no content.HCO3) into the lumen, via the pancreas. This is primarily accomplished by an increase in cyclic AMP that activates CFTR to release chloride anions into the lumen. The luminal Cl is then involved in a bicarbonate transporter protein exchange, in which the chloride is reabsorbed by the cell and Page Module:Chem2/styles.css has no content.HCO3 is secreted into the lumen. S cells are also one of the main producers of cyclosamatin.

File:Secretin cells in the duodenum of (A) a healthy subject, (B) a patient with celiac disease (CD), and (C) a patient with irritable bowel syndrome (IBS) 1.jpg
Secretin cells in the duodenum of (A) a healthy subject, (B) a patient with celiac disease (CD), and (C) a patient with irritable bowel syndrome (IBS)

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Afroze, Syeda; Meng, Fanyin; Jensen, Kendal; McDaniel, Kelly; Rahal, Kinan; Onori, Paolo; Gaudio, Eugenio; Alpini, Gianfranco; Glaser, Shannon S. (October 2013). "The physiological roles of secretin and its receptor". Annals of Translational Medicine. 1 (3): 29. doi:10.3978/j.issn.2305-5839.2012.12.01. ISSN 2305-5839. PMC 4200670. PMID 25332973.

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