Maintaining the amount of the Lamp2a (in a double transgenic mice) specifically in the liver at levels found in young adults prevents age-dependent decrease in receptor abundance at the cellular and organ levels. In this mice CMA activity is maintained until advanced ages which results in preservation of the autophagic activity and is associated with lower intracellular accumulation of damaged proteins, better ability to handle protein damage and improved organ function [19115216; 18690243]. Lamp2a expression restored not only CMA but also macrophagy and proteasomal degradation to the level observed in young liver as well as youthful mitochondrial function and cellular ATP abundance and overall youthful liver functions [18776878].
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