IL10 and preeclampsia: Taglauer et al. utilized a mouse model with preeclampsia-like features and administered hUCMSC-Exos during early pregnancy, revealing that hUCMSC-Exos promote the local recruitment of NK cells and macrophages in the uterus, as well as the expression of immune factors such as interleukin-10 (IL-10), interferon-gamma, and tumour necrosis factor-α (TNF-α).