BACKGROUND
Skeletal muscle atrophy is characteristic of starvation and a common effect of aging. It is also a nearly universal consequence of severe human illnesses, including cancer, chronic renal failure, congestive heart failure, chronic respiratory disease, insulin deficiency, acute critical
BACKGROUND OF THE INVENTION
1. Field of the Invention
As known in the art, the epidermis and dermis of mammalian skin contain different cell types, perform different functions, and have different chemical compositions. A particularly important difference between these layers is their lipid