PGE2 promotes breast cancer-associated lymphangiogenesis by activation of EP4 receptor on lymphatic endothelial cells. - Nandi, Pinki; Girish, Gannareddy V.; Majumder, Mousumi; Xiping Xin; Tutunea-Fatan, Elena; Lala, Peeyush K.; Xin, Xiping (BMC Cancer, 2017)