The therapeutic effects of gingival mesenchymal stem cells and their exosomes in a chimeric model of rheumatoid arthritis.

"Declarations Ethics approval and consent to participateThis study was carried out in strict adherence to the recommendations in the Guide for the Care and Use of Laboratory Animals of the National Institutes of Health. The protocol was approved by the Institutional Animal Care and Use Committee (IACUC) of The Ohio State University (Animal Welfare Assurance Number: A3261-01), an AAALAC-accredited program. Written informed consent under an approved IRB protocol was received prior to participation in this study by all participants providing tissue samples. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This research was generously supported by NIH R33 AR073049-04. This work is completion of obligations as outlined in the R33."