SERINC1 and neoplasm: Interestingly, Serinc2, also known as tumor differentially expressed 2 (TDE2), has been firstly identified in non-small cell lung cancer cells [12] and the carcinogenic transformation of the tumor was often accompanied by the high expression of Serinc2 or its family members, and it was further found that it had no effects on the infectivity of HIV-1 [26].