Funding for this research was provided by:
Japan Society for the Promotion of Science (19K24026, 20K17990)
Japan Agency for Medical Research and Development (22bk0104148h0001)
Received: 9 January 2023
Accepted: 31 August 2023
First Online: 8 September 2023
: This study was approved by the Medical Research Ethics Committee of Tokyo Medical and Dental University. Project title: Analysis of changes in the number and phenotype of synovial fluid mesenchymal stem cells during the progression of knee osteoarthritis. Approval number: A2021-267A. Date of approval: July 8, 2021.
: Not applicable.
: The authors declare no competing interests.