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Studies on isoenzymes of human amylase: Evidence for a circulating amylase not of pancreatic or salivary origin

1974; Elsevier BV; Volume: 16; Issue: 4 Linguagem: Inglês

10.1016/0022-4804(74)90056-0

1095-8673

Andrew L. Warshaw,

Vitamin K Research Studies

1.1. Pancreatic and salivary isoamylases are inactivated by heating to 65°C. 2.2. Pancreatic and salivary isoamylases are inactivated by exposure to trypsin. 3.3. Most of the amylase activity of normal serum and urine is resistant to heating and trypsin. 4.4. Pancreatic and salivary amylases have greater activity towards Amylose Azure than do the amylases of normal serum and urine. 5.5. The amylase appearing in serum and urine during pancreatitis resembles pancreatic amylase. 6.6. These findings suggest that most of the amylase activity of normal serum and urine does not originate in the pancreas or salivary glands.