Cited by 211Pluripotent Stem Cells ResearchMesenchymal stem cell researchPancreatic function and diabetes

Small-Molecule-Driven Hepatocyte Differentiation of Human Pluripotent Stem Cells

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Siller, Richard, Greenhough, Sebastian, Naumovska, Elena, Sullivan, Gareth J.·2015·Stem Cell Reports

Abstract

The differentiation of pluripotent stem cells to hepatocytes is well established, yet current methods suffer from several drawbacks. These include a lack of definition and reproducibility, which in part stems from continued reliance on recombinant growth factors. This has remained a stumbling block for the translation of the technology into industry and the clinic for reasons associated with cost and quality. We have devised a growth-factor-free protocol that relies on small molecules to differentiate human pluripotent stem cells toward a hepatic phenotype. The procedure can efficiently direct both human embryonic stem cells and induced pluripotent stem cells to hepatocyte-like cells. The final population of cells demonstrates marker expression at the transcriptional and protein levels, as well as key hepatic functions such as serum protein production, glycogen storage, and cytochrome P450 activity.

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Crossref · 10.1016/j.stemcr.2015.04.001

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  • Growth factors can be costly and unstable, and many small-molecule drugs affect multiple pathways, resulting in poor reproducibility.

    “While growth factors could be costly and unstable, and many small-molecule drugs can affect multiple pathways resulting in poor reproducibility78”

    From Organoids (2022) · cites this paper as [78]

    The Abstract links reliance on recombinant growth factors to cost and poor reproducibility, and the Discussion says the small-molecule approach addresses cost concerns. The cited paper does not say that growth factors are unstable or that small molecules affect multiple pathways and thereby cause poor reproducibility. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • The differentiation protocol used was developed and optimized from published literature and chosen for its capacity to generate iHLOs with high CYP enzyme activity, particularly CYP3A4.

    “The differentiation protocol utilized was developed and optimized from the published literatures18–21, specifically chosen for its capacity to generate iHLOs with high CYP enzyme activity, particularly CYP3A4, which is crucial for drug metabolism and toxicology evaluations.”

    From ​Temporal proteomic profiling of iPSC-derived human liver organoids reveals optimal maturation for drug metabolism and toxicology (2026) · cites this paper as [18]

    The Phase III Results and Discussion describe a protocol developed using published methods and optimized to produce hepatocyte-like cells (HLCs). The Results section ‘Small-Molecule-Derived HLCs Demonstrate Hepatic Function’ reports CYP3A4 activity and its induction. The paper does not report generating iHLOs (organoids) or say that high CYP3A4 activity was the specific reason for choosing the protocol. Page numbers are unavailable in our copy. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • The protocol was chosen due to its demonstrated capacity to generate iHLOs with high CYP enzyme activity, particularly CYP3A4.

    “This protocol was chosen due to its demonstrated capacity to generate iHLOs with high CYP enzyme activity, particularly CYP3A4, which is crucial for our subsequent compound or drug metabolism and toxicology evaluations.”

    From ​Temporal proteomic profiling of iPSC-derived human liver organoids reveals optimal maturation for drug metabolism and toxicology (2026) · cites this paper as [18]

    The Results section, “Small-Molecule-Derived HLCs Demonstrate Hepatic Function” (page unavailable), reports higher basal CYP1A2 and CYP3A4 activity in the protocol-derived cells than in undifferentiated controls, as well as inducible activity. However, the paper identifies its products as hepatocyte-like cells (HLCs), not iHLOs, and does not demonstrate that the protocol generates organoids with that activity. (LLM, conf=0.89)

    Experimental — accuracy not yet measured

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Authors
Siller, R., Greenhough, S., Naumovska, E., & Sullivan, G. J.
Affiliations
  • University of Oslo (NO)
  • Oslo University Hospital (NO)
Corresponding author
Sullivan, Gareth J.
Venue
Stem Cell Reports
Publisher
Elsevier BV
Published
2015-05
Volume
4
Issue
5
Pages
939-952
ISSN
2213-6711 (ISSN-L)
OpenAlex
W2012281335
Cited by
203
References
48
Citations by year
2026: 8 · 2025: 9 · 2024: 11 · 2023: 13 · 2022: 19 · 2021: 30 · 2020: 25 · 2019: 15 · 2018: 27 · 2017: 19 · 2016: 19 · 2015: 6 · 2014: 1
FWCI
10.27
Type
journal article
Language
en
Open access
Locations
  • Stem Cell Reports (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • NORA - Norwegian Open Research Archives (submittedVersion, cc-by-nc-nd)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
Keywords
hepatocyte differentiation, human pluripotent stem cells, small molecules, human embryonic stem cells, induced pluripotent stem cells, hepatocyte-like cells, glycogen storage, cytochrome P450 activity, hepatic differentiation
MeSH terms
Blood Proteins, Cell Differentiation, Cells, Cultured, Dexamethasone, Dimethyl Sulfoxide, Glycogen, Humans, Microscopy, Fluorescence, Oligopeptides, Proto-Oncogene Proteins c-met, Hepatocytes, Glycogen Synthase Kinase 3, Pluripotent Stem Cells, Small Molecule Libraries

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