SPRY4 and preeclampsia: The associations between SPRY4-IT1, maternally expressed gene 3 (MEG3), LOC391533, LOC284100, CEACAMP8 and metastasis-associated lung adenocarcinoma transcript-1 (MALAT-1) with preeclampsia have been reported, indicating that these lncRNAs may be novel modulators in the process of preeclampsia occurrence and progression [20–23].