Specific removal of anti-acetylcholine receptor antibodies in patients with myasthenia gravis
- PMID: 10163553
- DOI: 10.1016/0955-3886(96)00028-8
Specific removal of anti-acetylcholine receptor antibodies in patients with myasthenia gravis
Abstract
In short-term therapy for myasthenia gravis caused by an antibody-mediated attack on the acetylcholine receptor (AChR) in skeletal muscle, a specific system for antibody removal, the use of tryptophan-bound immunoadsorbent and synthetic AChR peptide-bound immunoadsorbent, offers advantages over plasma exchange. These two types of immunoadsorption provided selective or semi-selective removal of pathogenic substances from the circulation without the use of plasma products, and minimized side-effects. A difficulty is that the former removed about 65% of the total IgG, and the latter removed only a fraction of the pathogenic antibodies. In neither case can a radical method of treatment for myasthenia gravis be expected. Hopefully, an adsorbent which has a well-balanced bioimmunological specific binding reaction and physicochemical adsorptive affinity will be developed in the future.
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