Cytotrophoblasts up-regulate soluble fms-like tyrosine kinase-1 expression under reduced oxygen: an implication for the placental vascular development and the pathophysiology of preeclampsia. - Nagamatsu,T.; Fujii,T.; Kusumi,M.; Zou,L.; Yamashita,T.; Osuga,Y.; Momoeda,M.; Kozuma,S.; Taketani,Y. (Endocrinology, 2004)