68 {at this time|at this moment|at this moment/at this moment}, #file_links[“C:\Users\Admin\Desktop\file\gsa+en+20k60kGeorgiy2504251P2URLBB.txt”,1,N] {many|large|darkness|mass} studies have been {aimed at/aimed at} OA therapy based on {MSCs {due to|due to} their immunoregulatory {functions|capabilities}, and anti-inflammatory properties.