277 citations
,
October 1982 in “The Journal of Cell Biology” Basal-cell epitheliomas and the pilosebaceous tract share a unique keratin, distinguishing them from other skin areas.
248 citations
,
April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
139 citations
,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” K6hf is a unique protein found only in a specific layer of hair follicles.
198 citations
,
October 1986 in “Differentiation” 
28 citations
,
April 1996 in “Cell biology international” Changes in keratin affect skin health and can lead to skin disorders like blistering diseases and psoriasis.