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Albumin activation of urinary amylase as determined with the Du Pont aca. 1978

C C Garber, and R N Carey

Protein activation of urinary alpha-amylase (EC 3.2.1.1) activity was observed during an evaluation of the Du Pont aca procedure for the determination of urinary alpha-amylase. This activation effect became constant for urinary albumin concentrations exceeding 1.50 g/liter. It is recommended that urinary alpha-amylase be analyzed with sufficient albumin added to maximize this effect. The aca alpha-amylase procedure is compared to an amyloclastic method for both serum and urine analysis. Expected ranges are presented for the aca method for serum and urinary amylase, amylase clearance, and the amylase clearance/creatinine clearance ratio.

UI MeSH Term Description Entries
D004789 Enzyme Activation Conversion of an inactive form of an enzyme to one possessing metabolic activity. It includes 1, activation by ions (activators); 2, activation by cofactors (coenzymes); and 3, conversion of an enzyme precursor (proenzyme or zymogen) to an active enzyme. Activation, Enzyme,Activations, Enzyme,Enzyme Activations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000419 Albuminuria The presence of albumin in the urine, an indicator of KIDNEY DISEASES. Albuminurias
D000516 alpha-Amylases Enzymes that catalyze the endohydrolysis of 1,4-alpha-glycosidic linkages in STARCH; GLYCOGEN; and related POLYSACCHARIDES and OLIGOSACCHARIDES containing 3 or more 1,4-alpha-linked D-glucose units. Taka-Amylase A,alpha-Amylase,Alpha-Amylase Bayer,Maxilase,Mégamylase,alpha-1,4-D-Glucanglucanohydrolase,Alpha Amylase Bayer,AlphaAmylase Bayer,Taka Amylase A,TakaAmylase A,alpha 1,4 D Glucanglucanohydrolase,alpha Amylase,alpha Amylases
D000681 Amylases A group of amylolytic enzymes that cleave starch, glycogen, and related alpha-1,4-glucans. (Stedman, 25th ed) EC 3.2.1.-. Diastase,Amylase
D001322 Autoanalysis Method of analyzing chemicals using automation. Autoanalyses
D012709 Serum Albumin A major protein in the BLOOD. It is important in maintaining the colloidal osmotic pressure and transporting large organic molecules. Plasma Albumin,Albumin, Serum

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