Cited by 54Pluripotent Stem Cells ResearchHair Growth and DisordersSkin and Cellular Biology Research

Development of physiologically relevant skin organoids from human induced pluripotent stem cells

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Shafiee, Abbas, Sun, Jane, Ahmed, Imaan A., Phua, Felicia, Rossi, Gustavo R., Lin, Cheng‐Yu, Souza‐Fonseca‐Guimaraes, Fernando, Wolvetang, Ernst J. +2 more·2024·Small

Abstract

The development of skin organs for studying developmental pathways, modeling diseases, or regenerative medicine purposes is a major endeavor in the field. Human induced pluripotent stem cells (hiPSCs) are successfully used to derive skin cells, but the field is still far from meeting the goal of creating skin containing appendages, such as hair follicles and sweat glands. Here, the goal is to generate skin organoids (SKOs) from human skin fibroblast or placental CD34+ cell-derived hiPSCs. With all three hiPSC lines, complex SKOs with stratified skin layers and pigmented hair follicles are generated with different efficacies. In addition, the hiPSC-derived SKOs develop sebaceous glands, touch-receptive Merkel cells, and more importantly eccrine sweat glands. Together, physiologically relevant skin organoids are developed by direct induction of embryoid body formation, along with simultaneous inactivation of transforming growth factor beta signaling, activation of fibroblast growth factor signaling, and inhibition of bone morphogenetic protein signaling pathways. The skin organoids created in this study can be used as valuable platforms for further research into human skin development, disease modeling, or reconstructive surgeries.

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Crossref · 10.1002/smll.202304879

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  • In SKO differentiation, modulation of TGFβ and FGF signaling pathways co-induces differentiation of epithelial and mesenchymal lineages, mimicking human fetal skin development.

    “In SKO differentiation, for example, the modulation of the transforming growth factor beta (TGFβ) and fibroblast growth factor (FGF) signaling pathways co-induces the differentiation of epithelial and mesenchymal lineages, mimicking human fetal skin development [8, 9].”
  • An optimized SKO differentiation protocol using direct embryoid body formation from hiPSCs results in cystic SKOs that develop sensory neural networks, HFs, and sweat gland-like structures.

    “Recently, an optimized SKO differentiation protocol was established by using direct embryoid body formation from hiPSCs as an immediate differentiation step, resulting in the formation of cystic SKOs that develop sensory neural networks, HFs, and sweat gland-like structures [9].”
  • hiPSC-derived skin organoids have hair follicles, pigmentation, dermal stratification, appendage patterning, and innervation.

    “Recent advances in human induced pluripotent stem cell (hiPSC) technology have enabled the generation of skin organoids (SKO) with hair follicles, pigmentation, dermal stratification, appendage patterning, and innervation.[ 25 , 26 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 ]”
  • There has been a complete absence of an endogenously differentiating vascularized, hair-bearing human skin equivalent that contains immune cell populations.

    “While many attempts to generate complex 3D skin equivalents have achieved vascularization, hair follicle generation, and immune cell co‐cultures, there has been a complete absence of endogenously differentiating a vascularized, hair‐bearing human skin equivalent that contains immune cell populations.[ 21 , 22 , 23 , 24 , 25 , 26 , 27 ]”
  • Hair follicles in VSKOs are SOX2+, K14+, K15+, and K17+, as seen in the current SKO model.

    “Figure 7c also shows that the hair follicles in VSKOs are SRY‐box transcription factor 2 (SOX2)+, K14+, cytokeratin 15 (K15)+, and K17+, as seen in the current SKO model.[ 25 , 26 ]”

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Authors
Shafiee, A., Sun, J., Ahmed, I. A., Phua, F., Rossi, G. R., Lin, C., Souza‐Fonseca‐Guimaraes, F., Wolvetang, E. J., Brown, J., & Khosrotehrani, K.
Affiliations
  • Queensland Health (AU)
  • The University of Queensland (AU)
  • Frazer Institute Faculty of Medicine The University of Queensland Brisbane QLD 4102 Australia
Corresponding author
Shafiee, Abbas
Venue
Small
Publisher
Wiley
Published
2023-12-03
Volume
20
Issue
16
Pages
e2304879-e2304879
ISSN
  • 1613-6810 (ISSN-L)
  • 1613-6829
OpenAlex
W4389289068
Cited by
54
References
5
Citations by year
2026: 18 · 2025: 23 · 2024: 13
FWCI
4.81
Type
journal article
Language
en
Open access
Locations
  • Small (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Metro North Hospital and Health Service
  • National Health and Medical Research Council (GNT1140406)
  • U.S. Department of Defense (#BC200025)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Health Sciences › Medicine › Urology › Hair Growth and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Skin and Cellular Biology Research
Keywords
skin organoids, human induced pluripotent stem cells, hair follicle, eccrine sweat glands, sebaceous glands, Merkel cells, embryoid body formation, TGF-beta inhibition, FGF signaling, BMP signaling inhibition, skin development, disease modeling, regenerative medicine, dermal fibroblasts
MeSH terms
Female, Humans, Organoids, Placenta, Pregnancy, Skin, Hair Follicle, Induced Pluripotent Stem Cells

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