Impaired Complex-I-Linked Respiration and ATP Synthesis in Primary Open-Angle Glaucoma Patient Lymphoblasts
Investigative Ophthalmology & Visual Science2012Vol. 53(4), pp. 2431–2431
Citations Over TimeTop 10% of 2012 papers
Shanjean Lee, Leo Sheck, Jonathan G. Crowston, Nicole J. Van Bergen, Evelyn C. O’Neill, Fleur O’Hare, Yu Kong, Vicki Chrysostomou, Andrea L. Vincent, Ian A. Trounce
Abstract
POAG lymphoblasts in the study cohort exhibited a defect in complex-I of the oxidative phosphorylation pathway, leading to decreased rates of respiration and ATP production. Studies in LHON and other diseases have established that lymphocyte oxidative phosphorylation measurement is a reliable indicator of systemic dysfunction of this pathway. While these defects did not impact lymphoblast growth when the cells were forced to rely on oxidative ATP supply, the authors suggest that in the presence of a multitude of cellular stressors as seen in the early stages of POAG, these defects may lead to a bioenergetic crisis in retinal ganglion cells and an increased susceptibility to cell death.
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