Fig. 9

source and manufacturing process, mainly the composition of medium; in terms of patients, including age, subtype and grading of GVHD, tissue damage degree of affected organs, and immune tolerance status of patients; in clinical trial design, including the timing, dosage and frequency of MSCs
Reasons for the inconsistent results of clinical trials involving MSC prevention or therapy for GVHD. In terms of MSCs, it includes the donor age, tissue