ZenBioepidermalkeratinocytesareavailablefromadultandneonataldonortissueandareprovidedattheearliestpassagewithouttheuseofamurinefeederlayer.Keratinocytesareavailablefromdonorsofvaryingages,genders,anddiabetesstatus.Donormatchedepidermalkeratinocytes,dermalfibroblasts,melanocytesandsubcutaneouspreadipocytesareavailable.

Allcellshavebeentestedforfibroblastmorphologyandviability.
CellshavetestednegativeforHIV-1,HIV-2,HTLV-1,HTLV-2,HepatitisB,HepatitisCandmycoplasma.