research Characterization of Hair Follicles in Hirosaki Hairless Rats with Deletion of Basic Hair Keratin Genes: Enlarged Medulla, Loss of Cuticle, and Long Catagen 3 citations , March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
research The Hairless Phenotype of the Hirosaki Hairless Rat Is Due to the Deletion of an 80-Kb Genomic DNA Containing Five Basic Keratin Genes 35 citations , April 2008 in “Journal of Biological Chemistry” Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.