IL-10+CD19+ regulatory B cells induce CD4+Foxp3+regulatory T cells in serum of cervical cancer patients. Chunfeng Yang Yuanyuan Zhang Rui Wang Bing Cheng You Wu Xi Fu a Department of Obstetrics and Gynecology, Guangdong Provincial Key Laboratory for Major Obstetric Diseases; Guangdong Province Clinical Research Center for Obstetrics and Gynecology; Guangdong-Hong Kong-Macoa Greater Bay Area Higher Educaiton Joint Laboratory of Maternal-Fetal Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Chinab Department of Obstetrics and Gynecology, Shenzhen Baoan Maternal and Child Health Hospital, Shenzhen, Chinac Department of Gynecologic Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, PR China