Fig. 1From: Comparison of reversal of rat pulmonary fibrosis of nintedanib, pirfenidone, and human umbilical mesenchymal stem cells from Wharton’s jellyExperimental flowchart for inducing PF in rats’ left lung, administration of therapeutic agents nintedanib and pirfenidone, and transplantation of HUMSCs. The day when 5 mg BLM was injected into rats’ left bronchus was set as day 0. On day 21 following BLM injection, either daily administration of nintedanib/pirfenidone was initiated or one single transplantation of HUMSCs was conducted. After 4 weeks, the changes in the lung were observed, and various assessments were performed (a). The rats were divided into a total of five groups (b)Back to article page