Xiong J, Kuang X, Lu T, Yu K, Liu X, Zhang Z, Wang W, Zhao L, Fang Q, Wu D, Wang J. C3a and C5a facilitates the metastasis of myeloma cells by activating Nrf2. Cancer Gene Ther. 2021 Apr;28(3-4):265–78. doi: 10.1038/s41417-020-00217-0. PMID: 32873871.