Xiaolu Zhu, Yanan Wang, Qian Jiang, Hao Jiang, Jin Lu, Yazhe Wang, Yuan Kong, Yingjun Chang, Lanping Xu, Jun Peng, Ming Hou, Xiaojun Huang, Xiaohui Zhang. All-trans retinoic acid protects mesenchymal stem cells from immune thrombocytopenia by regulating the complement–interleukin-1β loop. Haematologica 2019;104(8):1661-1675; https://doi.org/10.3324/haematol.2018.204446.