ELAVL1 and asthma: Several studies have shown that HuR upregulates mRNA of cytokines and chemokines important for asthma, in various cell types, including Th2 cells, airway epithelial and airway smooth muscle (ASM) cells (Casolaro and others 2008; Fan and others 2011; Srikantan and Gorospe 2012; Atasoy and others 2014).