Taghavi Fereshteh, Habibi-Rezaei Mehran, Amani Mojtaba, Saboury Ali Akbar, Moosavi-Movahedi Ali Akbar
Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran; UNESCO Chair on Interdisciplinary Research in Diabetes at University of Tehran, Iran; Faculty of Bio Science, Tarbiat Modares University, Tehran, Iran.
Schools of Biology, University of Tehran, Tehran, Iran.
Int J Biol Macromol. 2017 Jul;100:67-74. doi: 10.1016/j.ijbiomac.2015.12.085. Epub 2016 Jan 2.
Protein crucial function and flexibility directly depend on its whole structure which is determined by the native distribution of structural elements. Any disturbances in a protein architecture leads to many kind of abnormalities and intra- or extracellular accumulation of misfolded proteins which are the basis of conformational diseases. Glycation is one of the most important unwanted post-translational modifications (PTM) which modifies protein three dimensional decoration and triggers its abnormalities. In current review, we take a look at the brief history of protein glycation, its mechanism and kinetics, glycation consequences and toxic products and its involvement in protein chemical modification, aggregation amyloids and fibril formation and different mechanisms induced by such alterations.
蛋白质的关键功能和灵活性直接取决于其整体结构,而整体结构由结构元件的天然分布决定。蛋白质结构的任何紊乱都会导致多种异常以及错误折叠蛋白质在细胞内或细胞外的积累,而这些正是构象性疾病的基础。糖基化是最重要的非预期翻译后修饰(PTM)之一,它会改变蛋白质的三维结构并引发其异常。在本综述中,我们将审视蛋白质糖基化的简史、其机制和动力学、糖基化的后果和有毒产物,以及它在蛋白质化学修饰、聚集形成淀粉样蛋白和原纤维过程中的作用,以及由这些改变引发的不同机制。