The influence of calcium on lens ATPase activity

P M Hamilton, N A Delamere, C A Paterson

Investigative Ophthalmology & Visual Science

|April 1, 1979

Abstract:

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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Abstract:

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