Abstract
A polyclonal antibody specific for the Amadori compound, a product of an early stage of the Maillard reaction, was raised in rabbits by immunization with hexitol-lysine (1-glucitol-lysine or 1-mannitol-lysine) coupled with various carrier proteins. The affinity purified antibody has a high titre and preferentially recognizes the glucose adduct, in the presence of sodium borohydride, as judged on enzyme-linked immunosorbent assay as well as immunoblot analysis. The glycated proteins (Amadori products) in various tissues of normal and streptozotocin-induced diabetic rats were examined by immunoblot analysis. In diabetic conditions, kidney, liver, lens, brain and lung proteins are more susceptible to glycation than other tissue proteins. Heart, spleen, adrenal gland and muscle proteins exhibit similar extents of glycation in both normal and diabetic conditions. This is the first demonstration of a specific antibody against the Amadori compound being raised with a synthetic compound, and of the tissue distribution of glycated proteins in normal and diabetic conditions. The antibody was very useful for in vitro and in vivo experiments on the Maillard reaction.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease
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