Generation of functional multipotent keratinocytes from mouse induced pluripotent stem cells. 2013

Ganna Bilousova, and Dennis R Roop
Department of Dermatology, Charles C. Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Denver, Aurora, CO, USA. ganna.bilousova@ucdenver.edu

Recent advances in reprogramming somatic cells into induced pluripotent stem cells (iPSCs) offer the possibility of developing new therapeutic approaches for the treatment of a variety of diseases, including inherited skin disorders. While the ultimate goal is the use of iPSCs in the treatment of human diseases, extensive research is still required with preclinical mouse models before iPSC technology can be introduced into the clinic. Therefore, the methodology for the derivation of multipotent keratinocytes from mouse iPSCs is of particular importance since it may allow for the assessment of the feasibility of using iPSCs in the treatment of inherited skin disorders using mouse models which mimic these diseases. Here, we describe two alternative protocols for the efficient differentiation of mouse iPSCs into functional keratinocytes capable of reconstituting a normal stratified epidermis, hair follicles, and sebaceous glands when grafted onto mice. Each protocol results in a different yield and efficiency of keratinocyte derivation depending on the mouse genetic background used in the study. Both protocols employ applications of retinoic acid and bone-morphogenetic protein-4 and growth on collagen type IV-coated dishes to induce iPSC differentiation toward a keratinocyte lineage.

UI MeSH Term Description Entries
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014212 Tretinoin An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE). Retinoic Acid,Vitamin A Acid,Retin-A,Tretinoin Potassium Salt,Tretinoin Sodium Salt,Tretinoin Zinc Salt,Vesanoid,all-trans-Retinoic Acid,beta-all-trans-Retinoic Acid,trans-Retinoic Acid,Acid, Retinoic,Acid, Vitamin A,Acid, all-trans-Retinoic,Acid, beta-all-trans-Retinoic,Acid, trans-Retinoic,Potassium Salt, Tretinoin,Retin A,Salt, Tretinoin Potassium,Salt, Tretinoin Sodium,Salt, Tretinoin Zinc,Sodium Salt, Tretinoin,Zinc Salt, Tretinoin,all trans Retinoic Acid,beta all trans Retinoic Acid,trans Retinoic Acid
D015603 Keratinocytes Epidermal cells which synthesize keratin and undergo characteristic changes as they move upward from the basal layers of the epidermis to the cornified (horny) layer of the skin. Successive stages of differentiation of the keratinocytes forming the epidermal layers are basal cell, spinous or prickle cell, and the granular cell. Keratinocyte
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D055415 Bone Morphogenetic Protein 4 A bone morphogenetic protein that is a potent inducer of bone formation. It also functions as a regulator of MESODERM formation during EMBRYONIC DEVELOPMENT. Bone Morphogenetic Protein 2B
D057026 Induced Pluripotent Stem Cells Cells from adult organisms that have been reprogrammed into a pluripotential state similar to that of EMBRYONIC STEM CELLS. Human Induced Pluripotent Stem Cell,IPS Cell,IPS Cells,Induced Pluripotent Stem Cell,Fibroblast-Derived IPS Cells,Fibroblast-Derived Induced Pluripotent Stem Cells,Human Induced Pluripotent Stem Cells,hiPSC,Cell, Fibroblast-Derived IPS,Cell, IPS,Cells, Fibroblast-Derived IPS,Cells, IPS,Fibroblast Derived IPS Cells,Fibroblast Derived Induced Pluripotent Stem Cells,Fibroblast-Derived IPS Cell,IPS Cell, Fibroblast-Derived,IPS Cells, Fibroblast-Derived
D058732 Embryoid Bodies Spontaneous aggregations of human embryonic stem cells that occur in vitro after culturing in a medium that lacks LEUKEMIC INHIBITORY FACTOR. The embryoid bodies can further differentiate into cells that represent different lineages. Bodies, Embryoid,Body, Embryoid,Embryoid Body
D018929 Cell Culture Techniques Methods for maintaining or growing CELLS in vitro. Cell Culture,Cell Culture Technique,Cell Cultures,Culture Technique, Cell,Culture Techniques, Cell

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