Chapter title |
Generation of Knockout Human Primary Keratinocytes by CRISPR/Cas9.
|
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Chapter number | 262 |
Book title |
Epidermal Cells
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Published in |
Methods in molecular biology, September 2019
|
DOI | 10.1007/7651_2019_262 |
Pubmed ID | |
Book ISBNs |
978-1-07-160250-8, 978-1-07-160251-5
|
Authors |
Grossi, Serena, Fenini, Gabriele, Hennig, Paulina, Di Filippo, Michela, Beer, Hans-Dietmar, Serena Grossi, Gabriele Fenini, Paulina Hennig, Michela Di Filippo, Hans-Dietmar Beer |
Abstract |
The culture of epidermal human primary keratinocytes (HPKs) represents a well-established model in biological and dermatological research. In addition, HPKs are used in three-dimensional organotypic cultures (OTCs), and gene therapeutic approaches have been reported for the treatment of patients suffering from epidermolysis bullosa, a severe blistering disease that can result in postnatal lethality. Therefore, there is a strong need for the development of techniques for the stable and specific genetic manipulation of HPKs, for example, by genome editing via the CRISPR/Cas9 approach. However, the main disadvantage of working with HPKs is the fact that these cells are prone to terminal differentiation and proliferate only for few passages in monoculture. As it is well known that the co-culture of HPKs with fibroblasts strongly increases the lifetime of the epidermal cells, we developed a protocol for the stable modification of HPKs by CRISPR/Cas9 via lentiviral transduction in the presence of 3T3-J2 fibroblasts as feeder cells. Selection of transduced HPKs is achieved with antibiotics in co-culture with antibiotic-resistant feeder cells. Modified HPKs generated by our protocol have the potential to generate epidermis-like structures in OTCs. |
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