Human Skin Keratinocyte Isolation: A Method to Culture Primary Keratinocytes from Skin Samples
Published: April 30, 2023
Abstract
Johansen, C. et al. Generation and Culturing of Primary Human Keratinocytes from Adult Skin. J. Vis. Exp. (2017)
This video describes the isolation of keratinocytes—the most prominent cells of human skin's epidermal layer, by employing a combination of enzymatic digestion and mechanical disruption methods. This method helps in the preferential growth of keratinocytes over other skin cell types using a selective growth medium.
Protocol
All procedures involving human participants have been performed in compliance with the institutional, national, and international guidelines for human welfare and have been reviewed by the local institutional review board. 1. Isolation of Keratinocytes from Human Skin Start by making the following solutions: 50 mL solution of 0.25% trypsin and 0.1% glucose in DPBS. Mix and filter sterilize (0.2 µm) the solution. Prepare 10 mL of RPMI-1640 + 2% FBS solution, 50…
Disclosures
The authors have nothing to disclose.
Materials
| KSFM | ThermoFisher Scientific | 17005-034 | Cell culture medium |
| KSFM supplements | ThermoFisher Scientific | 37000-015 | Supplements for KSFM |
| DPBS | ThermoFisher Scientific | 14190-144 | DPBS without Calcium and Magnesium |
| DMSO | Sigma-Aldrich | D8418 | Dimethyl sulfoxide |
| Gentamycin | ThermoFisher Scientific | 15710-049 | Cell culture medium additive |
| Sterilization filter | Sartorius | 16534 | Syringe filter with a pore size of 0.2 µm |
| Trypsin | Sigma-Aldrich | T7409 | Used to trypsinize cells |
| Glucose | Sigma-Aldrich | G7528 | – |
| RPMI-1640 | ThermoFisher Scientific | 61870-010 | – |
| FBS | ThermoFisher Scientific | 16000044 | Used to inactivate trypsin |
| Forceps | – | – | Forceps from any company can be used |
| Scissors | – | – | Scissors from any company can be used |
| Scalpel | Swann Morton | 0501 | Scalpels from any company can be used |
| 70% ethanol | – | – | – |
| Gauze pads | NOBAMED | 875420 | Gauze pads from any provider can be used |
| Foot planer | Credo Solingen | 1510 | Foot planer from any provider can be used |
| Petri dishes | TPP | 93100 | Petri dishes from any provider can be used |
| Metal filter | – | – | In-house 1 mm hole size metal filter |
| 75 cm2 culture flasks | NUNC | 156499 | – |
| 150 cm2 culture flasks | TTP | 90151 | – |
| 0.05% Trypsin-EDTA solution | ThermoFisher Scientific | 25300-062 | Used to trypsinize cells when passaging |
Cite This Article
Human Skin Keratinocyte Isolation: A Method to Culture Primary Keratinocytes from Skin Samples. J. Vis. Exp. (Pending Publication), e20354, doi: (2023).