HNRNPA2B1 and central nervous system cancer: Regarding the role of IGF2BP3 in the carcinogenicity of circNEIL3, it has been found that circNEIL3 is packaged as an exosome by hnRNPA2B1 and transferred to infiltrate tumor-associated macrophages (TAMs), thus gaining immunosuppressive properties that promote glioma progression [128].