Emerging roles of hematopoietic cells in the pathobiology of diabetic complications.

Emerging roles of hematopoietic cells in the pathobiology of diabetic complications.
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DOI:
10.1016/j.tem.2014.01.002
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发表时间:
2014-04
影响因子:
10.9
通讯作者:
Chan, Lawrence
Chan, Lawrence
中科院分区:
医学1区
文献类型:
--
作者:
Kojima, Hideto;Kim, Jongoh;Chan, Lawrence

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糖尿病并发症包括大血管事件,主要是动脉粥样硬化加速的结果,以及打击眼睛(视网膜病变)、肾脏(肾病)和神经系统(神经病变)的微血管事件。传统的观点认为,高血糖引起的生化途径失调会导致受影响器官固有的细胞损伤和死亡。有新的证据表明,糖尿病损害了骨髓(BM)的功能,在造血干细胞动员中产生了干细胞生态位依赖的缺陷。此外,功能失调的骨髓来源的造血细胞也会导致糖尿病并发症。因此,骨髓细胞不仅是糖尿病的受害者,也是糖尿病及其并发症的帮凶。了解潜在的分子机制可能会导致开发新的治疗方法,通过专门针对这些肇事者来预防和/或治疗糖尿病并发症。
Diabetic complications encompass macrovascular events, mainly the result of accelerated atherosclerosis, and microvascular events that strike the eye (retinopathy), kidney (nephropathy), and nervous system (neuropathy). The traditional view is that hyperglycemia-induced dysregulated biochemical pathways cause injury and death of cells intrinsic to the organs affected. There is emerging evidence that diabetes compromises the function of the bone marrow (BM), producing a stem cell niche-dependent defect in hematopoietic stem cell mobilization. Furthermore, dysfunctional BM-derived hematopoietic cells contribute to diabetic complications. Thus, BM cells are not only a victim but also an accomplice in diabetes and diabetic complications. Understanding the underlying molecular mechanisms may lead to the development of new therapies to prevent and/or treat diabetic complications by specifically targeting these perpetrators.
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