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  • Title: Steroid-responsive nephrotic syndrome: a generalised disorder of membrane negative charge.
    Author: Levin M, Smith C, Walters MD, Gascoine P, Barratt TM.
    Journal: Lancet; 1985 Aug 03; 2(8449):239-42. PubMed ID: 2862418.
    Abstract:
    A simple chemical test, based on the binding of the cationic dye alcian-blue 8GX (AB), has been devised to measure negative charge on cell membranes. The test has demonstrated that AB binding to red blood cells and platelets is significantly less in children with steroid-responsive nephrotic syndrome (SRNS) or nephrotic syndrome associated with focal segmental glomerulosclerosis than in normal controls. However, the sialic acid content of the nephrotic cell membrane is normal. This suggests that a generalised loss of membrane negative charge occurs in SRNS and that this is due to neutralisation rather than absence of anionic groups.
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