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KMID : 0613820200300080722
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Journal of Life Science
2020 Volume.30 No. 8 p.722 ~ p.730
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Recent Advances in Understanding the Mechanisms of Particulate Matter-mediated Ocular Diseases
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Lee Hye-Sook
Choi Yung-Hyun
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Abstract
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As one of the most serious health risk factors, air pollution can no longer be ignored. Particulate matter (PM) is an important and harmful component of air pollution that originates from a variety of sources. Numerous recent studies have linked PM to a range of conditions including cancer, cardiovascular, respiratory, and skin disease. The eye, despite being directly exposed to air pollution, has been investigated in very few of these studies. In this review, we describe the evidence from in vitro and in vivo studies, as well as epidemiological investigations, that supports the association between exposure to PM and the development of ocular conditions such as surface and retinal disease and glaucoma. Based on the results of previous studies, we suggest that PM exposure can lead to oxidative stress, inflammation, autophagy, and, ultimately, ocular surface disease. Nevertheless, almost no studies focus on ocular surface damage from PM while some epidemiological and clinical studies report on the posterior of the eye. However, the underlying pathological mechanisms in the posterior following PM exposure have yet to be identified, and further studies are therefore warranted of the ocular surface as well as the posterior part of the eye.
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KEYWORD
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Autophagy, inflammation, ocular diseases, oxidative stress, particulate matter
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