Sirpα on tumor-associated myeloid cells restrains antitumor immunity in colorectal cancer independent of its interaction with CD47

Chunliu Huang, Xuefei Wang, Yingzhao Wang, Yongyi Feng, Xiumei Wang, Shan Chen, Peidong Yan, Jing Liao, Qi Zhang, Chengzhou Mao, Yang Li, Lixiang Wang, Xinyu Wang, Yi Wei, Weibin Cai, Shoudeng Chen, Ni Hong, Weiling He, Jun Chen, Wenfei Jin