FOXP3 and familial pancreatic carcinoma: 1Alleviating hematotoxicity among breast cancer patients undergoing chemotherapy;2Slow down the process of hepatocarcinogenesis and improve hepatic recurrence-free survival through the inhibition of Kupffer cell-induced oxidative stress in patients with HCC;3Regulate T cells through decreasing Foxp3+ Treg populations in advanced pancreatic cancer patients