MALAT1 and Lassa fever: They observed that hepatocyte-derived exosomal metastasis associated in lung denocarcinoma transcript 1(MALAT1) could induce HSC activation in the arsenite-induced LF model, which is associated with the regulation of collagen type I alpha2 (COL1A2) by exosomal MALAT1 through miRNA-26b (43).