H19 and infectious otitis media: lncRNA H19 was found to be transferred from carcinoma‐associated fibroblasts (CAFs) to tumour cells through exosomes, and exosome‐derived lncRNA H19 could activate the β‐catenin pathway as a ceRNA sponge for miR‐141 in CRC and AOM/DSS‐treated CAC mouse model.115