The present invention relates to compositions and methods for inhibiting and reversing nonenzymatic cross-linking (protein aging). Accordingly, compositions are disclosed which comprise an agent capable of inhibiting the formation of advanced glycosylation endproducts of target proteins, and which additionally reverse pre-formed crosslinks in the advanced glycosylation endproducts by cleaving alpha-dicarbonyl-based protein crosslinks present in the advanced glycosylation endproducts. Certain useful agents are thiazolium salts. The method comprises contacting the target protein with the composition. Both industrial and therapeutic applications for the invention are envisioned, as food spoilage and animal protein aging can be treated. A novel immunoassay for detection of the reversal of the nonenzymatic crosslinking is also disclosed.
本发明涉及用于抑制和逆转非酶促交联(蛋白老化)的组合物和方法。因此,披露了包含一种能够抑制目标蛋白质的高级糖基化终产物的形成的药剂的组合物,并且通过裂解在高级糖基化终产物中存在的α-二羰基
基础蛋白交联来逆转预先形成的交联。某些有用的药剂是
噻唑盐。该方法包括将目标蛋白质与该组合物接触。该发明既可以在工业上应用,也可以在治疗上应用,因为可以治疗食品变质和动物蛋白质老化。还披露了一种新型的免疫测定方法,用于检测非酶促交联的逆转。