Is there a glucocorticoid receptor in the bovine lens?

Abstract

Prolonged glucocorticoid therapy is a risk factor for cataract development. The mechanism remains unknown. If cataract results from the direct effect of steroids on lens function, a glucocorticoid receptor is required. In order to determine whether such a receptor was present in the bovine lens, metabolic and steroid binding experiments were undertaken. Cultured bovine lens epithelial cells were exposed to 10(- 4)and 10(-8) M dexamethasone or prednisolone and the uptake and incorporation of(14)C leucine,(14)C glucose and(3)H thymidine, examined. Neither glucocorticoid affected cell protein synthesis or glucose uptake. Both dexamethasone concentrations and the lower concentration of prednisol..