摘要

<正>Dear Editor,Type 2 diabetes mellitus (T2DM) is a metabolic disorder that impacts multiple organs including brain activity through mechanisms such as glucose toxicity,insulin resistance,mitochondrial dysfunction,and vascular damage~([1-2]).As described by Su and his colleagues~([3])in 2013,type 2 diabetics had abnormally high levels of urine ribose,suggesting that the patients suffered from not only glucose metabolism disorders,but also ribose metabolism disorders~([4]).