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Redox Control of Vascular Biology

VEGF could enhance the migration of leukocytes into psoriatic skin and increase oxygen consumption, further activating HIF-1α and perpetuating the angiogenic/inflammatory cycle of psoriasis. [...]ROS-VEGF signaling may be a potential target for the treatment of psoriasis. In the review by N. Mahajan...

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Published in:Oxidative medicine and cellular longevity 2019, Vol.2019, p.3764252-2
Main Authors: Banerjee, J., Ghose, J., Sinha, M., Sen, S.
Format: Article
Language:English
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Summary:VEGF could enhance the migration of leukocytes into psoriatic skin and increase oxygen consumption, further activating HIF-1α and perpetuating the angiogenic/inflammatory cycle of psoriasis. [...]ROS-VEGF signaling may be a potential target for the treatment of psoriasis. In the review by N. Mahajan et al., the authors discuss how impaired biochemical redox pathways contribute to diabetic retinopathy highlighting the role of increased influx in polyol, accumulation of advanced end glycation products (AGE), enhanced activation of hexosamine, protein kinase C (PKC), and tissue renin-angiotensin system (RAS). The authors summarize that the overall effects of the metabolic abnormalities result in augmentation of ROS (reactive oxygen species) and RNS (reactive nitrogen species) production and associated oxidative and nitrosative damage, thereby leading to retinal vascular dysfunctions in DR. They also discuss the importance of metabolic memory caused by epigenetic changes such as a modified DNA methylation pattern, altered histone modifications of key regulatory proteins and altered microRNA (miRNA) expression leading to altered mitochondrial enzymes, damage to mitochondrial DNA, and altered mitochondrial ETC complexes.
ISSN:1942-0900
1942-0994
DOI:10.1155/2019/3764252