Role of malondialdehyde in the age-related macular degeneration

Hao Wang; Biren Zhao; Ivan Vrcek; John M. Johnston; Yu Guang He

doi:10.1007/978-1-61779-606-7_4

Role of malondialdehyde in the age-related macular degeneration

Hao Wang, Biren Zhao, Ivan Vrcek, John M. Johnston, Yu Guang He

Research output: Chapter in Book/Report/Conference proceeding › Chapter

1 Scopus citations

Abstract

The pathogenesis of age-related macular degeneration (AMD) is not clear. The most important risk factors for developing AMD are age, race, and smoking. Genetics, inflammation, and oxidative stress have all been suggested to play a role. The retina is rich in oxygen, free radicals, polyunsaturated fatty acid, and photoactive substances such as lipofuscin, and is exposed to high levels of visible irradiation. Aging is associated with increased oxidative injury. Lipid peroxidation and lipofuscin formation is also increased with aging. Malondialdehyde (MDA) is a product of lipid peroxidation and can be used as a biomarker for oxidative stress. In this chapter, we summarize the available evidence of oxidative stress in the pathogenesis of AMD. In addition, we have demonstrated that high levels of MDA were present in patients with AMD compared to patients without AMD. This suggests that lipid peroxidation-induced oxidative stress may play a role in the pathogenesis of AMD.

Original language	English (US)
Title of host publication	Studies on Retinal and Choroidal Disorders
Publisher	Humana Press Inc.
Pages	85-93
Number of pages	9
ISBN (Electronic)	9781617796067
ISBN (Print)	9781617796050
DOIs	https://doi.org/10.1007/978-1-61779-606-7_4
State	Published - Jan 1 2012

ASJC Scopus subject areas

General Biochemistry, Genetics and Molecular Biology

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10.1007/978-1-61779-606-7_4

Cite this

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abstract = "The pathogenesis of age-related macular degeneration (AMD) is not clear. The most important risk factors for developing AMD are age, race, and smoking. Genetics, inflammation, and oxidative stress have all been suggested to play a role. The retina is rich in oxygen, free radicals, polyunsaturated fatty acid, and photoactive substances such as lipofuscin, and is exposed to high levels of visible irradiation. Aging is associated with increased oxidative injury. Lipid peroxidation and lipofuscin formation is also increased with aging. Malondialdehyde (MDA) is a product of lipid peroxidation and can be used as a biomarker for oxidative stress. In this chapter, we summarize the available evidence of oxidative stress in the pathogenesis of AMD. In addition, we have demonstrated that high levels of MDA were present in patients with AMD compared to patients without AMD. This suggests that lipid peroxidation-induced oxidative stress may play a role in the pathogenesis of AMD.",

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N2 - The pathogenesis of age-related macular degeneration (AMD) is not clear. The most important risk factors for developing AMD are age, race, and smoking. Genetics, inflammation, and oxidative stress have all been suggested to play a role. The retina is rich in oxygen, free radicals, polyunsaturated fatty acid, and photoactive substances such as lipofuscin, and is exposed to high levels of visible irradiation. Aging is associated with increased oxidative injury. Lipid peroxidation and lipofuscin formation is also increased with aging. Malondialdehyde (MDA) is a product of lipid peroxidation and can be used as a biomarker for oxidative stress. In this chapter, we summarize the available evidence of oxidative stress in the pathogenesis of AMD. In addition, we have demonstrated that high levels of MDA were present in patients with AMD compared to patients without AMD. This suggests that lipid peroxidation-induced oxidative stress may play a role in the pathogenesis of AMD.

AB - The pathogenesis of age-related macular degeneration (AMD) is not clear. The most important risk factors for developing AMD are age, race, and smoking. Genetics, inflammation, and oxidative stress have all been suggested to play a role. The retina is rich in oxygen, free radicals, polyunsaturated fatty acid, and photoactive substances such as lipofuscin, and is exposed to high levels of visible irradiation. Aging is associated with increased oxidative injury. Lipid peroxidation and lipofuscin formation is also increased with aging. Malondialdehyde (MDA) is a product of lipid peroxidation and can be used as a biomarker for oxidative stress. In this chapter, we summarize the available evidence of oxidative stress in the pathogenesis of AMD. In addition, we have demonstrated that high levels of MDA were present in patients with AMD compared to patients without AMD. This suggests that lipid peroxidation-induced oxidative stress may play a role in the pathogenesis of AMD.

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Role of malondialdehyde in the age-related macular degeneration

Abstract

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