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Investigating the role of advanced g...

Whalin, Matthew K.

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Investigating the role of advanced glycation endproducts and the NADPH oxidase in diabetic vascular disease.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Investigating the role of advanced glycation endproducts and the NADPH oxidase in diabetic vascular disease./
作者:	Whalin, Matthew K.
面頁冊數:	100 p.
附註:	Adviser: W. Robert Taylor.
Contained By:	Dissertation Abstracts International69-04B.
標題:	Biology, Physiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3310302
ISBN:	9780549587859

Investigating the role of advanced glycation endproducts and the NADPH oxidase in diabetic vascular disease.
Whalin, Matthew K.

Investigating the role of advanced glycation endproducts and the NADPH oxidase in diabetic vascular disease. - 100 p.

Adviser: W. Robert Taylor.

Thesis (Ph.D.)--Emory University, 2008.

The formation of advanced glycation endproducts (AGEs) and the production of reactive oxygen species (ROS) are two mechanisms by which diabetes mellitus may induce a pro-inflammatory state and lead to the development of cardiovascular disease. This dissertation recounts two studies designed to test the ability of AGEs to produce ROS and stimulate the expression of pro-inflammatory genes in the vasculature. The first study examined the role of AGEs in inducing the expression of the protein subunits of the NADPH oxidase, a major source of ROS in blood vessels. AGEs activated the NADPH oxidase to produce ROS in the aortas of mice. Treatment with AGEs, both in vivo and ex vivo, also induced aortic expression of many of the same NADPH oxidase subunits which were observed in diabetic mice. This represents the first evidence of AGEs as a mediator of the increased levels of NADPH oxidase proteins which have been observed in diabetic animals and humans. The second study examined the role of NADPH oxidase activation in mediating the induction of pro-inflammatory genes by AGEs.

ISBN: 9780549587859Subjects--Topical Terms:

1017816
Biology, Physiology.

Investigating the role of advanced glycation endproducts and the NADPH oxidase in diabetic vascular disease.
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245 1 0 $a Investigating the role of advanced glycation endproducts and the NADPH oxidase in diabetic vascular disease.
300 $a 100 p.
500 $a Adviser: W. Robert Taylor.
500 $a Source: Dissertation Abstracts International, Volume: 69-04, Section: B, page: 2257.
502 $a Thesis (Ph.D.)--Emory University, 2008.
520 $a The formation of advanced glycation endproducts (AGEs) and the production of reactive oxygen species (ROS) are two mechanisms by which diabetes mellitus may induce a pro-inflammatory state and lead to the development of cardiovascular disease. This dissertation recounts two studies designed to test the ability of AGEs to produce ROS and stimulate the expression of pro-inflammatory genes in the vasculature. The first study examined the role of AGEs in inducing the expression of the protein subunits of the NADPH oxidase, a major source of ROS in blood vessels. AGEs activated the NADPH oxidase to produce ROS in the aortas of mice. Treatment with AGEs, both in vivo and ex vivo, also induced aortic expression of many of the same NADPH oxidase subunits which were observed in diabetic mice. This represents the first evidence of AGEs as a mediator of the increased levels of NADPH oxidase proteins which have been observed in diabetic animals and humans. The second study examined the role of NADPH oxidase activation in mediating the induction of pro-inflammatory genes by AGEs.
520 $a Administration of AGEs to mice stimulated aortic expression of vascular cell adhesion molecule-1 (VCAM-1) and monocyte chemoattractant protein-1 (MCP-1), two proteins which are increased in the vasculature of patients with diabetes. Apocynin, an inhibitor of NADPH oxidase activation, blocked the AGE-mediated increase in VCAM-1 and MCP-1. The same inhibition occurred in isolated endothelial and vascular smooth muscle cells. The studies of mouse aortic tissue provide a link between clinical studies of diabetes and cell culture studies of AGE effects. Together, these studies suggest a role for AGE-mediated NADPH oxidase activation in the promotion of inflammation in the diabetic vasculature. A key implication of this work is that the AGE signaling pathway and the NADPH oxidase represent important therapeutic targets for the treatment of diabetic vascular disease.
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