PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7532685-5 1995 In addition, the shutdown of recombination activating gene 1 (RAG-1) transcription and the downregulation of CD4 and CD8 expression were inhibited by FK506 treatment suggesting that the activation of calcineurin is required for the first step (or the very early intracellular signaling events) of TCR-mediated positive selection of DP thymocytes. Tacrolimus 150-155 recombination activating 1 Mus musculus 29-60 7532685-5 1995 In addition, the shutdown of recombination activating gene 1 (RAG-1) transcription and the downregulation of CD4 and CD8 expression were inhibited by FK506 treatment suggesting that the activation of calcineurin is required for the first step (or the very early intracellular signaling events) of TCR-mediated positive selection of DP thymocytes. Tacrolimus 150-155 recombination activating 1 Mus musculus 62-67