PLoS ONE 2015-01-01

3-Deoxyglucosone: a potential glycating agent accountable for structural alteration in H3 histone protein through generation of different AGEs.

Jalaluddin M Ashraf, Saheem Ahmad, Gulam Rabbani, Qambar Hasan, Arif Tasleem Jan, Eun Ju Lee, Rizwan Hasan Khan, Khursheed Alam, Inho Choi

文献索引：PLoS ONE 10(2) , e0116804, (2015)

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摘要

Advanced glycation end-products (AGEs) are heterogeneous group of compounds, known to be implicated in diabetic complications. One of the consequences of the Maillard reaction is attributed to the production of reactive intermediate products such as α-oxoaldehydes. 3-deoxyglucosone (3-DG), an α-oxoaldehyde has been found to be involved in accelerating vascular damage during diabetes. In the present study, calf thymus histone H3 was treated with 3-deoxyglucosone to investigate the generation of AGEs (Nε-carboxymethyllysine, pentosidine), by examining the degree of side chain modifications and formation of different intermediates and employing various physicochemical techniques. The results clearly indicate the formation of AGEs and structural changes upon glycation of H3 by 3-deoxyglucosone, which may hamper the normal functioning of H3 histone, that may compromise the veracity of chromatin structures and function in secondary complications of diabetes.

相关化合物

  • 叠氮化钠
  • DL-赖氨酸
  • DL-精氨酸
  • 菲醌
  • 3-葡萄糖醛酮

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