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Basatvat S, Bach FC, Barcellona MN, Binch AL, Buckley CT, Bueno B, Chahine NO, Chee A, Creemers LB, Dudli S, Fearing B, Ferguson SJ, Gansau J, Gantenbein B, Gawri R, Glaeser JD, Grad S, Guerrero J, Haglund L, Hernandez PA, Hoyland JA, Huang C, Iatridis JC, Illien‐Junger S, Jing L, Kraus P, Laagland LT, Lang G, Leung V, Li Z, Lufkin T, van Maanen JC, McDonnell EE, Panebianco CJ, Presciutti SM, Rao S, Richardson SM, Romereim S, Schmitz TC, Schol J, Setton L, Sheyn D, Snuggs JW, Sun Y, Tan X, Tryfonidou MA, Vo N, Wang D, Williams B, Williams R, Yoon ST, Le Maitre CL. Harmonization and standardization of nucleus pulposus cell extraction and culture methods. JOR Spine 2023; 6:e1238. [PMID: 36994456 PMCID: PMC10041384 DOI: 10.1002/jsp2.1238] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/30/2022] [Accepted: 12/09/2022] [Indexed: 01/11/2023] Open
Abstract
Background In vitro studies using nucleus pulposus (NP) cells are commonly used to investigate disc cell biology and pathogenesis, or to aid in the development of new therapies. However, lab-to-lab variability jeopardizes the much-needed progress in the field. Here, an international group of spine scientists collaborated to standardize extraction and expansion techniques for NP cells to reduce variability, improve comparability between labs and improve utilization of funding and resources. Methods The most commonly applied methods for NP cell extraction, expansion, and re-differentiation were identified using a questionnaire to research groups worldwide. NP cell extraction methods from rat, rabbit, pig, dog, cow, and human NP tissue were experimentally assessed. Expansion and re-differentiation media and techniques were also investigated. Results Recommended protocols are provided for extraction, expansion, and re-differentiation of NP cells from common species utilized for NP cell culture. Conclusions This international, multilab and multispecies study identified cell extraction methods for greater cell yield and fewer gene expression changes by applying species-specific pronase usage, 60-100 U/ml collagenase for shorter durations. Recommendations for NP cell expansion, passage number, and many factors driving successful cell culture in different species are also addressed to support harmonization, rigor, and cross-lab comparisons on NP cells worldwide.
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Affiliation(s)
| | - Frances C. Bach
- Department of Clinical Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Marcos N. Barcellona
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College DublinThe University of DublinDublinIreland
| | - Abbie L. Binch
- Biomolecular Sciences Research CentreSheffield Hallam UniversitySheffieldUK
| | - Conor T. Buckley
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College DublinThe University of DublinDublinIreland
| | - Brian Bueno
- Leni & Peter W. May Department of OrthopaedicsIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Nadeen O. Chahine
- Departments of Orthopedic Surgery and Biomedical EngineeringColumbia UniversityNew YorkNew YorkUSA
| | - Ana Chee
- Department of Orthopedic SurgeryRush University Medical CenterChicagoIllinoisUSA
| | - Laura B. Creemers
- Department of OrthopedicsUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Stefan Dudli
- Center for Experimental RheumatologyUniversity of ZurichZurichSwitzerland
| | - Bailey Fearing
- Department of Orthopedic SurgeryAtrium Health Musculoskeletal InstituteCharlotteNorth CarolinaUSA
| | | | - Jennifer Gansau
- Leni & Peter W. May Department of OrthopaedicsIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Benjamin Gantenbein
- Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland
- Department for Orthopedics and Traumatology, Insel University HospitalUniversity of BernBernSwitzerland
| | - Rahul Gawri
- Division of Orthopaedic Surgery, Department of SurgeryMcGill UniversityMontrealCanada
- Regenerative Orthopaedics and Innovation LaboratoryMcGill UniversityMontrealCanada
| | | | | | - Julien Guerrero
- Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland
- Center of Dental Medicine, Oral Biotechnology & BioengineeringUniversity of ZurichZurichSwitzerland
| | - Lisbet Haglund
- Division of Orthopaedic Surgery, Department of SurgeryMcGill UniversityMontrealCanada
| | - Paula A. Hernandez
- Department of Orthopaedic SurgeryUniversity of Texas Southwestern Medical CenterDallasTexasUSA
| | - Judith A. Hoyland
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences CentreThe University of ManchesterManchesterUK
| | - Charles Huang
- Department of Biomedical EngineeringUniversity of MiamiCoral GablesFloridaUSA
| | - James C. Iatridis
- Leni & Peter W. May Department of OrthopaedicsIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | | | - Liufang Jing
- Department of OrthopaedicsEmory University School of MedicineAtlantaGAUSA
- Department of Biomedical EngineeringWashington University in St. LouisSt. LouisMissouriUSA
| | - Petra Kraus
- Department of OrthopaedicsEmory University School of MedicineAtlantaGAUSA
- Department of BiologyClarkson UniversityPotsdamNew YorkUSA
| | - Lisanne T. Laagland
- Department of Clinical Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Gernot Lang
- Department of Orthopedics and Trauma Surgery, Medical Center, Faculty of MedicineAlbert‐Ludwigs‐University of FreiburgFreiburg im BreisgauGermany
| | - Victor Leung
- Department of Orthopaedics & TraumatologyThe University of Hong KongHong KongSARChina
| | - Zhen Li
- AO Research Institute DavosDavosSwitzerland
| | - Thomas Lufkin
- Department of BiologyClarkson UniversityPotsdamNew YorkUSA
| | - Josette C. van Maanen
- Department of Clinical Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Emily E. McDonnell
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College DublinThe University of DublinDublinIreland
| | - Chris J. Panebianco
- Leni & Peter W. May Department of OrthopaedicsIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | | | - Sanjna Rao
- Leni & Peter W. May Department of OrthopaedicsIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Stephen M. Richardson
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences CentreThe University of ManchesterManchesterUK
| | - Sarah Romereim
- Department of Orthopedic SurgeryAtrium Health Musculoskeletal InstituteCharlotteNorth CarolinaUSA
| | - Tara C. Schmitz
- Orthopaedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands
| | - Jordy Schol
- Department of Orthopedic SurgeryTokai University School of MedicineIseharaJapan
| | - Lori Setton
- Departments of Biomedical Engineering and Orthopedic SurgeryWashington University in St. LouisSt. LouisMissouriUSA
| | | | - Joseph W. Snuggs
- Biomolecular Sciences Research CentreSheffield Hallam UniversitySheffieldUK
| | - Y. Sun
- Department of Orthopaedics & TraumatologyThe University of Hong KongHong KongSARChina
| | - Xiaohong Tan
- Department of Biomedical EngineeringWashington University in St. LouisSt. LouisMissouriUSA
| | - Marianna A. Tryfonidou
- Department of Clinical Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Nam Vo
- Department of Orthopaedic SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Dong Wang
- Department of Orthopaedic SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Brandon Williams
- Department of Orthopedic SurgeryRush University Medical CenterChicagoIllinoisUSA
| | - Rebecca Williams
- Biomolecular Sciences Research CentreSheffield Hallam UniversitySheffieldUK
| | - S. Tim Yoon
- Department of OrthopaedicsEmory University School of MedicineAtlantaGAUSA
| | - Christine L. Le Maitre
- Biomolecular Sciences Research CentreSheffield Hallam UniversitySheffieldUK
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldSouth YorkshireUK
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