Unfolded protein response activation in cataracts.

Purpose: To analyze the expression of 78 kDa glucose-regulated protein (GRP78) and activating transcription factor 6 (ATF6), 2 factors in the unfolded protein response (UPR), in age-related and diabetes-associated cataract.

Setting: Universidad Autónoma de Aguascalientes, Aguascalientes, México.

Design: Experimental study.