Cis-interaction network of PD-L1 and its impact on anti-cancer immunotherapy / 中国肿瘤生物治疗杂志

@#[Abstract] In recent years, investigation on immune checkpoint inhibitors has made exciting progress in anti-tumor therapy. Through continuous exploration, there is a deeper understanding of intermolecular interaction patterns among PD-L1, PD-1, CD80, CTLA-4, etc. In addition to classically acting as a T cell inhibitory receptor, PD-L1 was found to be co-expressed with PD-1 or CD80 on the same cell and play a positive immunoregulatory function through cis-interaction, significantly affecting the interaction network between tumor cells and immune cells and the efficacy of immunotherapy, and bringing new changes to the understanding of the mechanisms of cancer immunotherapy. This review provides an in-depth analysis of the cis-PD-L1/PD-1 and cis-PD-L1/CD80 pathways and their interactions with a complex network of CTLA-4 and CD28 molecules, finally outlines the effects of blocking this cis-interaction pathway on T cell signaling, cytotoxic function, and the efficacy of anti-tumor immunotherapy.

Development status and clinical applications of precision detection technology in the times of precision oncology / 中国肿瘤生物治疗杂志

@#Precision detection techniques have promoted the development of individualized diagnosis and treatment of tumors in the era of precision medicine. At the same time, clinical demands of precision treatments have further driven the development and application of precision detection techniques. In recent years, precision medical detection techniques realized rapid transformations from low-throughput to high-throughput genomic sequencing, from tissue biopsies to liquid biopsies, and from multicell promiscuous detection to single cell precision sequencing. All these changes have promoted the emergence and development of new technologies, new targets, and new drugs in the era of precision oncology medicine. In the future, multi-dimensional combined detection could help to improve the accuracy of precision medicine; ctDNA methylation detection analysis could broaden the research field of precision medicine; and the transformation of clinical trial design could also contribute to promote the in-depth development of precision medicine.

Progress in clinical researches of immunotherapy for lung cancer targeting PD-1/ PD-L1 / 中国肿瘤生物治疗杂志

@#[Abstract] The research on immune checkpoint has made breakthrough progress in recent years. The PD-1/PD-L1 signaling pathway is closely related to the immune escape mechanism, and their inhibitors have also made great success in lung cancer. From Checkmate017, Checkmate-057 to KEYNOTE-010 and OAK studies, PD-1/PD-L1 inhibitors have gradually established their position as standard treatment for the advanced NSCLC patients after chemotherapy failed. PD-1/PD-L1 inhibitors can be combined with other cancer treatment methods, including radiotherapy, chemotherapy, targeted therapy and other immunotherapies, whichhave synergistic effects in the treatment of lung cancer, thus improving the efficacy. Immune checkpoint inhibitors bring changes in the treatment patterns of lung cancer, but also to the traditional efficacy evaluation model,as wellas reaction to the treatment-related adverse. In addition, the development of immune check point inhibitors has effectively promoted the progress of precision medicine.

Research progress on PD-1 / PD-L1 inhibitor-based immunotherapy predictive marker in lung cancer / 中国肿瘤生物治疗杂志

@#近年来，免疫检查点抑制剂在肺癌治疗中取得突破性进展，正迅速改变着肺癌的治疗模式，也标志着免疫治疗2.0时 代的到来。新的肿瘤治疗模式对精准医学提出更高要求，对程序性死亡受体1（programmed death 1, PD-1） /程序性死亡配体1 （programmed death ligand 1, PD-L1）抑制剂预后生物标志物也在不断地探索之中，主要包括以下几个方面：PD-L1表达水平、肿瘤 基因组异质性与肿瘤新抗原、 T细胞特点、肿瘤微环境以及机体整体状态等。本文将针对目前PD-1/PD-L1抑制剂在肺癌免疫治 疗中的潜在生物标志物最新临床研究进展及其研究前景进行综述。