Isolation and cultivation of human keratinocytes from skin or plucked hair for the generation of induced pluripotent stem cells

Trond Aasen, Juan Carlos Izpisúa Belmonte

Research output: Contribution to journalArticlepeer-review

252 Scopus citations

Abstract

The ease of generating induced pluripotent stem (iPS) cells, and possibly their properties after reprogramming, depends on the origin of the somatic cell starting population. Reprogramming of keratinocytes is both faster and more efficient compared with fibroblasts, although more care is required when isolating, culturing and infecting these cells. In this study, we describe detailed protocols using both feeder-dependent and defined serum- and feeder-free conditions for culturing human keratinocytes from foreskin samples and punch biopsies, as well as how to isolate keratinocytes from plucked hair. We further describe culture techniques and approaches to efficiently infect and reprogram these cells for the purpose of generating iPS cells. The procedure of deriving keratinocytes takes 10-14 d, whereas reprogramming and the appearance of iPS cell colonies that can be isolated and established requires another 3-4 weeks.

Original languageEnglish (US)
Pages (from-to)371-382
Number of pages12
JournalNature Protocols
Volume5
Issue number2
DOIs
StatePublished - Feb 2010
Externally publishedYes

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology

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