


Diseases and Disorders, Diseases Associated with DNA Abnormalities, DNA Imprinting Disorders
Last Updated February 27, 2023 Introduction to Prader-Willi Syndrome Prader-Willi syndrome (PWS) was first described in 1887 by John Langdon Down who also identified Down syndrome. The full spectrum of PWS was reported in 1956 by Andrea Prader, Alexis Labhart, and...Diseases and Disorders, Diseases Associated with DNA Abnormalities, DNA Imprinting Disorders
Last Updated: August 3, 2023 Introduction to Angelman Syndrome Angelman syndrome (AS) is named after the English physician Harry Angelman who first described the disorder in 1965. He observed three children with a similar constellation of symptoms and he referred to...