TGFB1 and ocular melanoma: As reveled by immunohistochemistry images, western blot, and qRT-PCR, the levels of TGFB1 and IL1B in the lungs were significantly upregulated after BLM administration as compared with the control group, but the expression levels of these inflammatory factors in the OM-MSC treatment group were restored to levels similar to their normal conditions (Fig. 3A-I).