Adult skin stem cells from the mouse are used for cloning by somatic cell nuclear transfer. It has also been suggested that reprogramming by oocytes, and hence cloning efficiency, may vary ...

1976). The term "photoaging" was first coined in 1986 and describes the effects of chronic ultraviolet (UV) light exposure on skin (Kligman & Kligman, 1986). Clinical signs of photoaging include ...

Aging skin is an issue of concern to many patients. In this review aging and photoaging are defined, mechanisms which underlie these processes explored, and available treatment options discussed.