Cited by 53Retinal Development and DisordersPluripotent Stem Cells ResearchRetinal Diseases and Treatments

Antioxidant and lipid supplementation improve the development of photoreceptor outer segments in pluripotent stem cell-derived retinal organoids

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West, Emma L., Majumder, Paromita, Naeem, Arifa, Fernando, Milan, O'Hara-Wright, Michelle, Lanning, Emily, Kloc, Magdalena, Ribeiro, Joana +10 more·2022·Stem Cell Reports

Abstract

The generation of retinal organoids from human pluripotent stem cells (hPSC) is now a well-established process that in part recapitulates retinal development. However, hPSC-derived photoreceptors that exhibit well-organized outer segment structures have yet to be observed. To facilitate improved inherited retinal disease modeling, we determined conditions that would support outer segment development in maturing hPSC-derived photoreceptors. We established that the use of antioxidants and BSA-bound fatty acids promotes the formation of membranous outer segment-like structures. Using new protocols for hPSC-derived retinal organoid culture, we demonstrated improved outer segment formation for both rod and cone photoreceptors, including organized stacked discs. Using these enhanced conditions to generate iPSC-derived retinal organoids from patients with X-linked retinitis pigmentosa, we established robust cellular phenotypes that could be ameliorated following adeno-associated viral vector-mediated gene augmentation. These findings should aid both disease modeling and the development of therapeutic approaches for the treatment of photoreceptor disorders.

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Crossref · 10.1016/j.stemcr.2022.02.019

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  • hESC-derived retinal organoids contain all the major cell types in the retina.

    “Here, we used our well-established 2D/3D differentiation protocol to generate hESC-derived retinal organoids containing all the major cell types in the retina (SI Appendix, Fig. S6) (26).”

    From Characterization of RNA editing and gene therapy with a compact CRISPR-Cas13 in the retina (2024) · cites this paper as [26]

    The Results section ('Efficient generation of human PSC-derived photoreceptors bearing outer segment-like structures'; page unavailable) describes generating hESC-derived retinal organoids and documents their photoreceptors. The Discussion also identifies rod and cone photoreceptors. Our copy does not establish that these organoids contain all the major retinal cell types. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Overall transduction was determined using an arbitrary cut-off (Cas13bt3 read counts ≥ 10) based on previous experience with retinal organoids.

    “It should also be noted that overall transduction was determined using an arbitrary cut-off (Cas13bt3 read counts ≥ 10) based on our previous experience with the retinal organoids (26).”

    From Characterization of RNA editing and gene therapy with a compact CRISPR-Cas13 in the retina (2024) · cites this paper as [26]

    The Results section on AAV-mediated gene supplementation reports transduction of retinal organoids and estimates its efficiency using GFP-positive cells. It does not describe Cas13bt3 read counts or a threshold of ≥10, so it supports the cited prior experience with organoid transduction but not the stated cut-off. (LLM, conf=0.82)

    Experimental — accuracy not yet measured

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Authors
West, E. L., Majumder, P., Naeem, A., Fernando, M., O'Hara-Wright, M., Lanning, E., Kloc, M., Ribeiro, J., Ovando-Roche, P., Shum, I. O., Jumbu, N., Sampson, R., Hayes, M., Bainbridge, J. W. B., Georgiadis, A., Smith, A. J., Gonzalez-Cordero, A., & Ali, R. R.
Affiliations
  • University College London (GB)
  • Moorfields Eye Hospital NHS Foundation Trust (GB)
Corresponding author
  • Gonzalez-Cordero, Anai
  • Ali, Robin R.
Venue
Stem Cell Reports
Publisher
Elsevier BV
Published
2022-04
Volume
17
Issue
4
Pages
775-788
ISSN
2213-6711 (ISSN-L)
OpenAlex
W4221032109
Cited by
53
References
1
Citations by year
2026: 15 · 2025: 12 · 2024: 18 · 2023: 4 · 2022: 4
FWCI
3.27
Type
journal article
Language
en
Open access
Locations
  • Stem Cell Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
Medical Research Council (MR/J004553/1, MR/M007871/1, MR/L012758/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
Keywords
retinal organoids, photoreceptor outer segments, human pluripotent stem cells, induced pluripotent stem cells, antioxidants, lipid supplementation, rod photoreceptors, cone photoreceptors, X-linked retinitis pigmentosa, retinal disease modeling, retinal development
MeSH terms
Antioxidants, Humans, Lipids, Organoids, Retina, Retinal Cone Photoreceptor Cells, Dietary Supplements, Pluripotent Stem Cells

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