{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T19:24:32Z","timestamp":1792524272228,"version":"4.5.0"},"reference-count":116,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2025,10,18]],"date-time":"2025-10-18T00:00:00Z","timestamp":1760745600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>Age-related macular degeneration (AMD) is a leading cause of irreversible visual impairment in the elderly, and oxidative stress, primarily mediated by reactive oxygen species (ROS), is widely recognized as a central driver of its onset and progression. The retina is highly susceptible to oxidative damage due to its elevated oxygen consumption, abundant polyunsaturated fatty acids, and continuous exposure to light. Recent studies have elucidated molecular mechanisms in which mitochondrial dysfunction, disruption of redox homeostasis, inflammation, and complement activation interact to promote degeneration of retinal pigment epithelium (RPE) and photoreceptor cells. In addition to age-related oxidative stress, environmental factors such as motor vehicle exhaust and volatile organic compounds (VOCs) can accelerate the accumulation of lipofuscin and drusen, thereby fostering a chronic pro-inflammatory milieu. From a therapeutic perspective, beyond conventional antioxidant supplementation, emerging strategies targeting oxidative stress-related pathways have gained attention, including mitochondrial protectants, activation of the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, anti-inflammatory agents, and gene therapy. Importantly, several innovative approaches are under investigation, such as saffron supplementation with neuroprotective properties, drug repositioning of levodopa, and nanotechnology-based delivery systems to enhance retinal bioavailability of antioxidants and gene therapies. This review summarizes the pathophysiological role of oxidative stress in AMD from a molecular mechanistic perspective and discusses recent advances in research and novel therapeutic targets.<\/jats:p>","DOI":"10.3390\/antiox14101251","type":"journal-article","created":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T08:18:54Z","timestamp":1760948334000},"page":"1251","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["Title Oxidative Stress in Age-Related Macular Degeneration: From Molecular Mechanisms to Emerging Therapeutic Targets"],"prefix":"10.3390","volume":"14","author":[{"given":"Tatsuya","family":"Mimura","sequence":"first","affiliation":[{"name":"Department of Ophthalmology, Tsurumi University School of Dental Medicine, Yokohama 230-0063, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6925-3063","authenticated-orcid":false,"given":"Hidetaka","family":"Noma","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Tokyo Medical University Ibaraki Medical Center, Ami-cho 300-0395, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,10,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Hadziahmetovic, M., and Malek, G. 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