The shared mechanisms and potential diagnostic markers for IgA nephropathy and celiac disease. Shaoguo Tao Xuemei Fan Xiaoyou Liu Yannic Becker Patricia Schroder Qian Zhao Zhuoying He Hanzhi Jiang Jie Xiao Hermann Haller Guibao Ke a Department of Nephrology, The First affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of Chinab The People’s Hospital of Suiyang, Zunyi, People’s Republic of Chinac Organ Transplant Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of Chinad Mount Desert Island Biological Laboratory, Bar Harbor, Maine, USAe Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany