Summary
Isozymic alteration of serum cholinesterase (ChE) was investigated in patients with chronic liver diseases using affinity electrophoresis with concanavalin A (Con A) or wheat germ agglutinin (WGA). On Con A-containing agarose gel electrophoresis, three bands with enzyme activity (named bands I to III, from the anodic side to the cathodic) were observed in sera of normal controls. Disappearance of band II was observed in 50% (15/30) of cirrhotic patients, but only one of 20 patients with chronic hepatitis lacked band II of the serum ChE isozymes. Meanwhile, WGA-containing agarose gel electrophoresis revealed that normal controls had four ChE isozymes (named bands I to IV from the anodic side to the cathodic). These four isozymes were also observed in patients with chronic hepatitis. However approximately 67% (20/30) of cirrhotic patients lacked band II of ChE isozymes. When these two affinity electrophoreses were used in combination, 22 (73%) of 30 cirrhotic patients had isozymic alteration of their serum ChE on either Con A-containing or WGA-containing agarose gel electrophoresis, or both. Thus, affinity electrophoreses with Con A and WGA seemed to be useful methods in differentiating liver cirrhosis from chronic hepatitis.
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Hada, T., Ohue, T., Imanishi, H. et al. Discrimination of liver cirrhosis from chronic hepatitis by analysis of serum cholinesterase isozymes using affinity electrophoresis with concanavalin a or wheat germ agglutinin. Gastroenterol Jpn 25, 715–719 (1990). https://doi.org/10.1007/BF02779185
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DOI: https://doi.org/10.1007/BF02779185