Cited by 117Tissue Engineering and Regenerative Medicine3D Printing in Biomedical ResearchHydrogels: synthesis, properties, applications

Brain organoid formation on decellularized porcine brain ECM hydrogels

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Simsa, Robin, Rothenbücher, Theresa, Gürbüz, Hakan, Ghosheh, Nidal, Emneus, Jenny, Jenndahl, Lachmi, Kaplan, David L., Bergh, Niklas +2 more·2021·PLOS ONE

Abstract

Human brain tissue models such as cerebral organoids are essential tools for developmental and biomedical research. Current methods to generate cerebral organoids often utilize Matrigel as an external scaffold to provide structure and biologically relevant signals. Matrigel however is a nonspecific hydrogel of mouse tumor origin and does not represent the complexity of the brain protein environment. In this study, we investigated the application of a decellularized adult porcine brain extracellular matrix (B-ECM) which could be processed into a hydrogel (B-ECM hydrogel) to be used as a scaffold for human embryonic stem cell (hESC)-derived brain organoids. We decellularized pig brains with a novel detergent- and enzyme-based method and analyzed the biomaterial properties, including protein composition and content, DNA content, mechanical characteristics, surface structure, and antigen presence. Then, we compared the growth of human brain organoid models with the B-ECM hydrogel or Matrigel controls in vitro. We found that the native brain source material was successfully decellularized with little remaining DNA content, while Mass Spectrometry (MS) showed the loss of several brain-specific proteins, while mainly different collagen types remained in the B-ECM. Rheological results revealed stable hydrogel formation, starting from B-ECM hydrogel concentrations of 5 mg/mL. hESCs cultured in B-ECM hydrogels showed gene expression and differentiation outcomes similar to those grown in Matrigel. These results indicate that B-ECM hydrogels can be used as an alternative scaffold for human cerebral organoid formation, and may be further optimized for improved organoid growth by further improving protein retention other than collagen after decellularization.

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Authors
Simsa, R., Rothenbücher, T., Gürbüz, H., Ghosheh, N., Emneus, J., Jenndahl, L., Kaplan, D. L., Bergh, N., Serrano, A. M., & Fogelstrand, P.
Affiliations
  • Tufts University (US)
  • Centro de Biología Molecular Severo Ochoa (ES)
  • Technical University of Denmark (DK)
  • University of Skövde (SE)
  • Sahlgrenska University Hospital (SE)
Corresponding author
  • Simsa, Robin
  • Rothenbücher, Theresa
  • Gürbüz, Hakan
  • Ghosheh, Nidal
  • Jenndahl, Lachmi
  • Kaplan, David L.
  • Bergh, Niklas
  • Fogelstrand, Per
Venue
PLOS ONE
Published
2021-01-28
Volume
16
Issue
1
Pages
e0245685
ISSN
1932-6203 (ISSN-L)
OpenAlex
W3124422938
Cited by
114
References
72
Citations by year
2026: 10 · 2025: 26 · 2024: 24 · 2023: 27 · 2022: 21 · 2021: 6
FWCI
18.32
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Diva portal (Dalarna University Library) (submittedVersion, other-oa)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU) (submittedVersion, other-oa)
Funders
  • Horizon 2020 (722779)
  • MINECO SAF (2017-83241-R)
  • ISC-III RETICS TerCel (RD16/0011/0032)
  • ASCTN-Training (813851)
  • National Institutes of Health (P41EB027062, R01NS092847)
Topics
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
  • Physical Sciences › Engineering › Biomedical Engineering › 3D Printing in Biomedical Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
Keywords
brain organoids, porcine brain, hydrogels, scaffold materials, human embryonic stem cells, Matrigel alternative, decellularization, collagen, protein retention, hydrogel rheology, organoid differentiation
MeSH terms
Human Embryonic Stem Cells, Animals, Brain, Brain Chemistry, Cell Line, Extracellular Matrix, Humans, Organoids, Swine, Hydrogels

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