PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30078441-5 2018 In particular, downregulation of RTN4 reduced sphingomyelin synthesis and impaired plasma membrane localization of AKT, wherein AKT phosphorylation, involved in many cancers, was significantly reduced without any comparable effect on AKT-related upstream kinases, in a sphingolipid-dependent manner. Sphingolipids 269-281 reticulon 4 Homo sapiens 33-37