Division of Digestive Diseases, Department of Medicine, Emory University School of Medicine, United States
Commentary
The Role of Pancreatic Proteases in the Diagnosis and Management of Chronic Pancreatic Insufficiency (CPI)
Author(s): Mason Schaider*
Trypsin, chymotrypsin, and carboxypeptidase are pancreatic proteolytic enzymes that are secreted as zymogens, or inactive precursors of the enzymes, and activated in the digestive canal lumen. Digestion enzymes and bicarbonate are two secretory products found in pancreatic juice that are essential for effective digestion. The exocrine acinar cells produce and secrete the enzymes, whereas the epithelial cells lining tiny pancreatic ducts secrete bicarbonate. Protein digestion begins in the stomach with pepsin, but the pancreatic proteases do the majority of the work. The pancreas produces many proteases, which are released into the small intestine lumen. Trypsin and chymotrypsin are two primary pancreatic proteases that are produced and packaged as the inactive proenzymes trypsinogen and chymotrypsinogen in secretory vesicles. Triglyceride, or neutral lipid, is a key component of dieta.. View More»
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