Roelofs, Anke J.Kania, KarolinaRafipay, AlexandraSambale, MeikeKuwahara, Stephanie T.Collins, FraserSmeeton, JoannaSerowoky, Maxwell A.Rowley, LynnWang, HuiGronewold, RenéKapen, ChrysaMéndez-Ferrer, SimónLittle, Christopher B.Bateman, John F.Pap, ThomasMariani, Francesca V.Sherwood, JoannaCrump, J. Gagede Bari, Cosimo2022-03-302022-03-302020-12Roelofs, A J, Kania, K, Rafipay, A, Sambale, M, Kuwahara, S T, Collins, F, Smeeton, J, Serowoky, M A, Rowley, L, Wang, H, Gronewold, R, Kapen, C, Méndez-Ferrer, S, Little, C B, Bateman, J F, Pap, T, Mariani, F V, Sherwood, J, Crump, J G & de Bari, C 2020, 'Identification of the skeletal progenitor cells forming osteophytes in osteoarthritis', Annals of the Rheumatic Diseases, vol. 79, no. 12, pp. 1625-1634. https://doi.org/10.1136/annrheumdis-2020-2183500003-4967ORCID: /0000-0002-1156-6873/work/111043640https://hdl.handle.net/2164/18322ACKNOWLEDGEMENTS: The authors thank all members of the Arthritis & Regenerative Medicine Laboratory at the University of Aberdeen; Shina Ardani and William Alton for their contributions to data acquisition; Animal Facility staff for care of our animals; staff in the Microscopy and Histology Facility and Iain Fraser Cytometry Centre at the University of Aberdeen. FUNDING: C.D.B., A.J.Ro, K.K., A.J.Ra., F.C. and H.W. were supported by funding from Versus Arthritis, formerly Arthritis Research UK (20775, 21156, 20050, 19429), and the Medical Research Council (MR/L020211/1). T.P., J.Sh., M.Sa., and R.G. were supported by funding from the Bundesministerium für Bildung und Forschung (BMBF) Overload-PrevOP consortium (01EC1408F) and the Innovative Medizinische Forschung (IMF) Program of the University Hospital Münster (Project I-SH121608). J.G.C., S.T.K. J.Sm., M.A.S., and F.V.M. were supported by funding from R01 AR069700. J.F.B, L.R. and C.B.L were supported by the National Health and Medical Research Council (NHMRC: APP1063133), and part funding was provided to J.F.B. by the Victorian Government‘s Operational Infrastructure Support Program to the Murdoch Children’s Research Institute. C.K. and S.M.F. were supported by funding from the Wellcome Trust (203151/Z/16/Z), Horizon2020 (ERC2014-CoG-648765), Cancer Research UK (C61367/A26670) and NHS Blood and Transplant1013410677engSDG 3 - Good Health and Well-beingOsteoarthritisosteophytesstem cellssynoviumperiosteumfibroblastschondrocytesarthritisosteoarthritisexperimentalR MedicineGeneral Biochemistry,Genetics and Molecular BiologyImmunology and AllergyRheumatologyImmunologyMedical Research Council (MRC)MR/L020211/1Cancer Research UKC61367/A26670European Research Council2014-CoG-648765Arthritis Research UK (ARUK)20775211562005019429Wellcome Trust203151/Z/16/ZRJournal article10.1136/annrheumdis-2020-218350http://www.scopus.com/inward/record.url?scp=85091799700&partnerID=8YFLogxK7912