Stem cell res. ther. Stem cell res. ther. Allo-antibody production after intraarticular administration of mesenchymal stem cells (MSCs) in an equine osteoarthritis model: effect of repeated administration, MSC inflammatory stimulation, and equine leukocyte antigen (ELA) compatibility Barrachina Porcar Laura Universidad de Zaragoza Cequier Soler Alina Universidad de Zaragoza Romero Lasheras Antonio Universidad de Zaragoza Vitoria Moraiz Arantza Universidad de Zaragoza Zaragoza Fernández Pilar Universidad de Zaragoza Vázquez Bringas Francisco José Universidad de Zaragoza Rodellar Penella Clementina Universidad de Zaragoza 2020 research-article