beta-N-acetyl-D-glucosaminidase isoenzymes by chromatofocusing from serum and skin in diabetes. 1984

A Orlacchio, and C Maffei, and T Beccari, and P Lisi

beta-N-Acetyl-D-glucosaminidase and its kinetic characteristics were determined in serum and skin from both diabetes mellitus and impaired glucose tolerance patients and controls. Mean total activity was reduced (p less than 0.05) in the skin of both patient groups. beta-N-Acetyl-D-glucosaminidase isoenzyme expression was investigated using chromatofocusing on PBE-94 coupled with automated enzyme assay. The isoenzyme profiles from serum showed two major forms (A and B) whose ratio varied from 2:1 in controls to 3:1 in diabetics. Moreover, diabetes mellitus and impaired glucose tolerance subjects displayed an intermediate (I) form. The A/B isoenzyme ratio was completely reversed in skin.

UI MeSH Term Description Entries
D007525 Isoelectric Focusing Electrophoresis in which a pH gradient is established in a gel medium and proteins migrate until they reach the site (or focus) at which the pH is equal to their isoelectric point. Electrofocusing,Focusing, Isoelectric
D007527 Isoenzymes Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics. Alloenzyme,Allozyme,Isoenzyme,Isozyme,Isozymes,Alloenzymes,Allozymes
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D002845 Chromatography Techniques used to separate mixtures of substances based on differences in the relative affinities of the substances for mobile and stationary phases. A mobile phase (fluid or gas) passes through a column containing a stationary phase of porous solid or liquid coated on a solid support. Usage is both analytical for small amounts and preparative for bulk amounts. Chromatographies
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D006596 Hexosaminidases Enzymes that catalyze the hydrolysis of N-acylhexosamine residues in N-acylhexosamides. Hexosaminidases also act on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Galactosaminidases,Hexosaminidase,Galactosaminidase,Glucosaminidase,Glucosaminidases
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000118 Acetylglucosaminidase A beta-N-Acetylhexosaminidase that catalyzes the hydrolysis of terminal, non-reducing 2-acetamido-2-deoxy-beta-glucose residues in chitobiose and higher analogs as well as in glycoproteins. Has been used widely in structural studies on bacterial cell walls and in the study of diseases such as MUCOLIPIDOSIS and various inflammatory disorders of muscle and connective tissue. N-Acetyl-beta-D-glucosaminidase,Chitobiase,N,N-Diacetylchitobiase,N-Ac-beta-Glucosaminidase,NAGase,beta-D-Acetamido-2-Deoxyglucosidase,beta-D-N-acetylglucosaminidase,beta-N-Acetylglucosaminidase,N Ac beta Glucosaminidase,N Acetyl beta D glucosaminidase,N,N Diacetylchitobiase,beta D Acetamido 2 Deoxyglucosidase,beta D N acetylglucosaminidase,beta N Acetylglucosaminidase

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