Combination of epigenetic regulation with gene therapy-mediated immune checkpoint blockade induces anti-tumour effects and immune response in vivo.
Combination of epigenetic regulation with gene therapy-mediated immune checkpoint blockade induces anti-tumour effects and immune response in vivo.
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表观遗传调控与基因治疗介导的免疫检查点阻断相结合可诱导体内抗肿瘤作用和免疫反应
DOI:
10.1038/s41467-021-27078-x
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发表时间:
2021-11-18
影响因子:
16.6
通讯作者:
Chen X
中科院分区:
文献类型:
--
作者:
Fang H;Guo Z;Chen J;Lin L;Hu Y;Li Y;Tian H;Chen X
Immunotherapy has become a powerful cancer treatment, but only a small fraction of patients have achieved durable benefits due to the immune escape mechanism. In this study, epigenetic regulation is combined with gene therapy-mediated immune checkpoint blockade to relieve this immune escape mechanism.PPD(i.e., mPEG-b-PLG/PEI-RT3/DNA) is developed to mediate plasmid-encoding shPD-L1 delivery by introducing multiple interactions (i.e., electrostatic, hydrogen bonding, and hydrophobic interactions) and polyproline II (PPII)-helix conformation, which downregulates PD-L1 expression on tumour cells to relieve the immunosuppression of T cells. Zebularine (abbreviated as Zeb), a DNA methyltransferase inhibitor (DNMTi), is used for the epigenetic regulation of the tumour immune microenvironment, thus inducing DC maturation and MHC I molecule expression to enhance antigen presentation. PPD plus Zeb combination therapy initiates a systemic anti-tumour immune response and effectively prevents tumour relapse and metastasis by generating durable immune memory. This strategy provides a scheme for tumour treatment and the inhibition of relapse and metastasis.
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影响因子:
15
作者:
Fang, Huapan;Guo, Zhaopei;Chen, Xuesi
通讯作者:
Chen, Xuesi
影响因子:
30.8
作者:
Brocks D;Schmidt CR;Daskalakis M;Jang HS;Shah NM;Li D;Li J;Zhang B;Hou Y;Laudato S;Lipka DB;Schott J;Bierhoff H;Assenov Y;Helf M;Ressnerova A;Islam MS;Lindroth AM;Haas S;Essers M;Imbusch CD;Brors B;Oehme I;Witt O;Lübbert M;Mallm JP;Rippe K;Will R;Weichenhan D;Stoecklin G;Gerhäuser C;Oakes CC;Wang T;Plass C
通讯作者:
Plass C
影响因子:
120.1
作者:
Kummar, Shivanni;Chen, Helen X.;Doroshow, James H.
通讯作者:
Doroshow, James H.
DOI:
10.1073/pnas.192461099
发表时间:
2002-09-17
影响因子:
11.1
作者:
Iwai, Y;Ishida, M;Minato, N
通讯作者:
Minato, N
DOI:
10.1073/pnas.1424171112
发表时间:
2015-02-10
影响因子:
11.1
作者:
Li, Youzhi;Rogoff, Harry A.;Li, Chiang J.
通讯作者:
Li, Chiang J.