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Clin Sci (Lond). 1994 Sep;87(3):289-95.

Studies with radiolabelled serum amyloid P component provide evidence for turnover and regression of amyloid deposits in vivo.

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Department of Medicine, Royal Postgraduate Medical School, Hammersmith Hospital, London, U.K.


1. Quantitative scintigraphic and turnover studies, utilizing the specific binding affinity of serum amyloid P component for amyloid fibrils, have been developed as a tool for evaluating amyloid deposits in vivo. 2. Serial studies in over 300 patients have shown characteristic, diagnostic tissue distributions of amyloid in different types of amyloidosis. There is generally a poor correlation between quantity of amyloid and associated organ dysfunction. 3. Contrary to previous expectations, regression of amyloid has been demonstrated systematically for the first time: AA, AL and variant transthyretin-associated amyloid deposits often regress rapidly, and sometimes completely, if the supply of fibril protein precursors is substantially reduced.

[Indexed for MEDLINE]

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