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Abstract #108178 Published in IGR 23-4
A novel optinEuRin stress connection in glaucoma
Lafont E; Avril TFEBS Journal 2023; 290: 3105-3109
The endoplasmic reticulum (ER) is the organelle where the production and shaping of most secreted and transmembrane proteins happens. ER function is finely regulated to prevent accumulation of misfolded proteins generating ER stress. ER stress is common in both healthy and pathological situations due to multiple intrinsic and extrinsic factors including acute demand in protein synthesis, hypoxia or impaired protein folding caused by gene mutations. Sayyad et al. found that the M98K mutation of optineurin sensitizes glaucoma retinal ganglion cells to ER stress-induced cell death. This is associated with an autophagy-dependent elevation of ER stress sensor expression.
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