Angioimmunoblastic T-cell lymphoma (AITL)

PD-1; programmed cell death 1, CD279

CD28, CTLA-4と類似性の高い膜貫通I型蛋白質。蛋白をコードする遺伝子は1992年にHonjoらによりプログラム細胞死刺激により発現が誘導される遺伝子として単離同定された。*1

PD-1蛋白*2


*1 Ishida Y, et al., Induced expression of PD-1, a novel member of the immunoglobulin gene superfamily, upon programmed cell death. EMBO J. 1992 Nov;11(11):3887-95. PMID:1396582
*2 岡崎一美他 癌, 自己免疫病とPD-1 医学のあゆみ Vol245(3);247-251:2013
*3 Okazaki T and Honjo T PD-1 and PD-1 ligands:from discovery to clinical application Int Immunol 2007;19(7):813-824
*4 Yu H et al. Germinal-center T-helper-cell markers PD-1 and CXCL13 are both expressed by neoplastic cells in angioimmunoblastic T-cell lymphoma. Am J Clin Pathol. 2009 Jan;131(1):33-41.PMID:19095563
*5 Okazaki T, et al., PD-1 and LAG-3 inhibitory co-receptors act synergistically to prevent autoimmunity in mice. J Exp Med. 2011 Feb 14;208(2):395-407. PMID: 21300912
*6 Triebel F, et al. LAG-3, a novel lymphocyte activation gene closely related to CD4. J Exp Med. 1990 May 1;171(5):1393-405. PMID:1692078

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