Tyler Perry Studios. Tyler Perry, an Atlanta-based writer, producer, and performer, is one of the most commercially successful African American filmmakers in history. Tyler Perry Studios, which opened in Atlanta in 2008, is the first major film studio in the nation to be owned by an African American. Perry is best known for his signature character, Madea, whom he has portrayed in both stage plays and films.
Medical Definition of xeroderma. : a disease of the skin characterized by dryness and roughness and a fine scaly desquamation.
Xeroderma pigmentosum is one of the inherited DNA repair disorders, which also include Cockayne syndrome, trichothiodystrophy, Bloom syndrome, RothmundâThomson syndrome, and Werner syndrome. It is inherited as an autosomal-recessive disorder and is characterized by a hypersensitivity of the skin to ultraviolet radiation, a deficiency in the repair of damaged DNA, and a resultant high incidence of skin cancers.