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Determination of LD-Ig complex with counter immunoelectrophoresis using terylene cellulose acetate membrane as supporting media.

Liu, Z J; Yang, X.
Clin Lab Sci; 12(3): 134-6, 1999.
Artigo em Inglês | MEDLINE | ID: mdl-10539099

OBJECTIVE:

In order to determine abnormal LD isoenzyme bands in serum, we established a method of counter immunoelectrophoresis using terylene cellulose acetate as supporting media.

SETTING:

Department of Clinical Laboratory, Southwestern Hospital, Chongqing 400038 China. PRACTICE DESCRIPTION LD isoenzymes were electrophoretically fractionated with a Paragon electrophoretic system. LD anomaly was identified by counter immunoelectrophoresis using terylene cellulose acetate as supporting media. MAIN OUTCOME MEASUREMENTS Identification of the LD-Ig complex using a simple and practical method.

RESULTS:

An abnormal LD-4 band and an extra band on the cathodic side of LD-5 were observed in the serum of a post-burn patient and proved to be an LD-IgG complex.

CONCLUSION:

We have established a useful and efficient protocol that uses both isoenzyme electrophoresis and counter immunoelectrophoresis to identify abnormal isoenzyme bands. The method of counter immunoelectrophoresis we describe, using terylene cellulose acetate as supporting media, is simple and suitable for routine clinical use.