2013
DOI: 10.1038/srep02941
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Proteome wide reduction in AGE modification in streptozotocin induced diabetic mice by hydralazine mediated transglycation

Abstract: The non-enzymatic reaction between glucose and protein can be chemically reversed by transglycation. Here we report the transglycation activity of hydralazine using a newly developed MALDI-TOF-MS based assay. Hydralazine mediated transglycation of HbA1c, plasma proteins and kidney proteins was demonstrated in streptozotocin (STZ) induced diabetic mice, as evidenced by decrease in protein glycation, as well as presence of hydralazine-glucose conjugate in urine of diabetic mice treated with hydralazine. Hydralaz… Show more

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Cited by 36 publications
(32 citation statements)
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“…Similar findings were observed within a streptozotocin mouse model of type 1 diabetes (T1DM) where hydralazine inhibited both formation and protein adduction of AGEs in plasma and kidney proteins. Within the same study, hydralazine decreased renal expression of receptor for AGE (rAGE) and NADPH oxidase (NOX), an interesting finding as these protein targets are upregulated via AGE activation and involved in AGE-rAGE mediated ROS production [27 • ]. Although translational studies investigating the aldehyde-scavenging abilities of hydralazine are limited, results from animal studies provide strong evidence that hydralazine is beneficial in sequestering biogenic aldehydes, thereby preventing downstream oxidative stress and vascular damage.…”
Section: Clinically Approved Agents With Aldehyde Scavenging Capacitiesmentioning
confidence: 99%
“…Similar findings were observed within a streptozotocin mouse model of type 1 diabetes (T1DM) where hydralazine inhibited both formation and protein adduction of AGEs in plasma and kidney proteins. Within the same study, hydralazine decreased renal expression of receptor for AGE (rAGE) and NADPH oxidase (NOX), an interesting finding as these protein targets are upregulated via AGE activation and involved in AGE-rAGE mediated ROS production [27 • ]. Although translational studies investigating the aldehyde-scavenging abilities of hydralazine are limited, results from animal studies provide strong evidence that hydralazine is beneficial in sequestering biogenic aldehydes, thereby preventing downstream oxidative stress and vascular damage.…”
Section: Clinically Approved Agents With Aldehyde Scavenging Capacitiesmentioning
confidence: 99%
“…Also, in-vitro studies demonstrate that hydralazine, an antihypertensive agent, can reduce AGE formation by trapping reactive carbonyl compounds, leading to the modification of oxidative metabolism [72]. Hydralazine was also recently shown to reduce protein glycation with a reduction in RAGE, NADPH oxidase, and superoxide dismutase levels [73] in a murine model of diabetic nephropathy. In addition, inhibiting dipeptidyl peptidase-4, an enzyme that degrades incretins that promote insulin release and slow gastric emptying, has been shown to reduce AGE-mediated oxidative stress [74].…”
Section: Limiting the Endogenous Formation Of Advanced Glycation End mentioning
confidence: 99%
“…Interesting findings in Type 2 diabetes have emerged from proteomic studies carried out at NCL, Pune in human plasma and drug induced animal models [7785]. One of the novel initiatives undertaken by this group is to study advanced glycation end products (AGE) in a diabetic animal model using MALDI–TOF–MS based proteomics [82]. …”
Section: Reviewmentioning
confidence: 99%