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P M Hamilton, N A Delamere, C A Paterson; The influence of calcium on lens ATPase activity.. Invest. Ophthalmol. Vis. Sci. 1979;18(4):434-436.
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The activities of ouabain-sensitive (Na-5-) and ouabain-insensitive ATPases were determined in 3.6 mM calcium-containing and calcium-free media. Three lens tissue segments were studied: the epithelium/capsule segment, the anterior cortical segment and the posterior cortical segment. In the presence of calcium, the Na-K-ATPase activity in each segment was reduced, whereas the ouabain-insensitive ATPase activity in each segment was increased.
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