research Autosomal-Dominant Woolly Hair Resulting from Disruption of Keratin 74 (KRT74), a Potential Determinant of Human Hair Texture 97 citations , March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
research Autosomal Recessive Transmission of a Rare KRT74 Variant Causes Hair and Nail Ectodermal Dysplasia: Allelism with Dominant Woolly Hair/Hypotrichosis 21 citations , April 2014 in “PLoS ONE” In this study, researchers identified a novel KRT74 gene mutation associated with autosomal recessive pure hair and nail ectodermal dysplasia in a Pakistani family, expanding the known genetic causes of the disorder.