2018
DOI: 10.1111/aos.13812
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Blue light negatively affects the survival of ARPE19 cells through an action on their mitochondria and blunted by red light

Abstract: Blue light affects mitochondrial function and also the development tight junctions between ARPE19 cells, which results in a loss of cell viability. Importantly, red light delivered after a blue light insult is significantly blunted. These findings argue for the therapeutic use of red light as a noninvasive procedure to attenuate insults caused by blue light and other insults to retinal pigment epithelial cell mitochondria that are likely to occur in age-related macular degeneration.

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Cited by 37 publications
(34 citation statements)
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“…This energy takes the form of adenosine triphosphate (ATP) and it is produced by the electron flow carried out by the four complexes of the electron transport chain, which is governed by fundamental enzymes in the mitochondrial inner membrane [9,10]. Nevertheless, the presence of ROS can counteract the enzymes' functions by interrupting their reactions, thus, reducing ATP production and, as a result, leading to oxidative stress and cell death [11,12]. ROS output can be increased by a number of factors, including the aging process, smoking, and obesity, all of which contribute to the detriment of RPE cells [13].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…This energy takes the form of adenosine triphosphate (ATP) and it is produced by the electron flow carried out by the four complexes of the electron transport chain, which is governed by fundamental enzymes in the mitochondrial inner membrane [9,10]. Nevertheless, the presence of ROS can counteract the enzymes' functions by interrupting their reactions, thus, reducing ATP production and, as a result, leading to oxidative stress and cell death [11,12]. ROS output can be increased by a number of factors, including the aging process, smoking, and obesity, all of which contribute to the detriment of RPE cells [13].…”
Section: Introductionmentioning
confidence: 99%
“…This factor is the influence of blue light, i.e. short wavelength light of 400 to 500 nm [12]. This wavelength corresponds with the visible spectrum that reaches the retina and is one of the main fractions of new white illumination [15,16].…”
Section: Introductionmentioning
confidence: 99%
“…To date, human RPE or ARPE-19 cells are used in in vitro AMD models with the frequently used inducers, Aβ 1-40 [ 30 ], Aβ 1-42 [ 31 ], hydrogen peroxide [ 32 ], or blue light [ 33 ]. Hydrogen peroxide or blue light are used for their ability to induce oxidative stress.…”
Section: Discussionmentioning
confidence: 99%
“…White light, which corresponds to visible light, is commonly formed by different fractions of short wavelengths, including the blue light spectrum. This short wavelength light reaches the retinal cells, causing a disruption in their molecular bases and finally damaging the cell structure [ 3 , 8 , 9 , 10 ]. The presence of risk factors, such as obesity, smoking, and aging, on top of pre-existing eye pathologies, can lead to a progressive decline in retinal cells’ integrity and, eventually, loss of vision [ 11 , 12 , 13 , 14 , 15 , 16 ].…”
Section: Introductionmentioning
confidence: 99%