There is strong evidence that the retina degenerates with age. Electroretinogram deficits and photoreceptor cell death and structural abnormalities have been observed in both animal and human studies of aging. The mechanism behind this phenomenon is a very interesting area for scientific and medical study. Current data support the link between retinal degeneration and increased oxidative stress. Taurine is a free amino acid found in high millimolar concentrations in the retina, and age-related deficiency in retinal levels of taurine may contribute to the retinal degeneration associated with age. Taurine acts as an antioxidant and taurine replenishment is known to alleviate oxidative stress in the retina. Thus taurine supplementation may be useful in the treatment of age-related retinal dysfunction.
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Militante, J., Lombardini, J.B. Age-Related Retinal Degeneration in Animal Models of Aging: Possible Involvement of Taurine Deficiency and Oxidative Stress. Neurochem Res 29, 151–160 (2004). https://doi.org/10.1023/B:NERE.0000010444.97959.1b
- Age-related retinal degeneration
- taurine deficiency
- oxidative stress
- electroretinogram changes
- antioxidant properties of taurine
- changes in taurine levels with age