FSCN1 and mastitis: In dairy cows with Staphylococcus aureus-induced mastitis, immune cytokines are regulated by miR-145, which targets and regulates FSCN1, and downregulating miR-145 and upregulating FSCN1 expression promotes mammary epithelial cell proliferation and accelerates the recovery of damaged tissues (Chen Z. et al., 2019).