Ya Meng
Haitao Wang
Xuebing Li
Xinwei Wu
Heng Sun- 1Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai People's Hospital, Zhuhai Hospital Affiliated With Jinan University, Zhuhai, China
- 2Thoracic Surgery Branch, Center for Cancer Research, National Cancer Institute (NCI), Bethesda, MD, United States
- 3Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin, China
- 4Cancer Center, Faculty of Health Sciences, University of Macau, Macau, Macau SAR, China
- 5MOE Frontiers Science Center for Precision Oncology, University of Macau, Macau, Macau SAR, China
- 6Zhuhai Research Institute, University of Macau, Zhuhai, Macau SAR, China
Editorial on the Research Topic
Immunity in the development of anti-cancer drug resistance
Development of resistance is the leading cause for cancer therapy failure (Vasan et al., 2019). Drug resistance could be innately generated before or during tumorigenesis; or acquired in response to cancer treatment. Multiple factors could affect the development of anti-cancer drug resistance, such as the mutation spectrum, cross-talks, and networks among pivotal signaling pathways of the cancer cells, as well as the tumor macro- and micro-environment, in which immunity is of the utmost importance (Wang et al., 2019). Actually, immunity itself serves as the first barrier against cancer initiation, and also works as the first “drug” to kill the cancer cells. In this Research Topic, we discussed the interplay between cancer and immunity, especially focusing on how cancer cells and immune cells affect each other during carcinogenesis and in the development of anti-cancer drug resistance.
It is well accepted that cancers are attributed to occurrence and accumulation of mutations, and the resulting abnormal activity and/or function of oncogenes and tumor suppressors. In addition to enhanced proliferation, survival, and anti-apoptosis capacities of cancer cells, the dysfunction of oncogenes and tumor suppressors is involved in the modulation of cancer immunity, which in turn protects cancer cells from immune surveillance and elimination. For example, Muthalagu et al. (2020) reported in pancreatic ductal adenocarcinoma (PDAC), activation of oncogenes Myc and KRAS could block the infiltration of NK cells via repressing type I interferon pathway, thus strengthen survival capacity to PDAC cells. In this Research Topic, Luo et al. reported that the KRAS-associated genes score correlated with the infiltration of several types of immune cells, including NK cells, memory CD4 T cells, plasma cells, and mast cells and might thus serve as a promising signature to distinguish the prognosis, molecular and immune characteristics of colon cancer patients. Besides, Hu et al. identified ST8SIA1, which plays an oncogenic role in triple-negative breast cancer (TNBC) (Nguyen et al., 2018), gliomas (Ohkawa et al., 2021), and other cancers, as a novel immune-related biomarker in clear-cell renal cell carcinoma (ccRCC). ST8SIA1 expression levels were negatively correlated with tumor purity and positively associated with infiltrated immune cells and expression of immune checkpoint genes. In addition, Xing et al. reviewed the recent findings of FBXW7, especially its tumor suppressive roles in multiple types of cancers, through regulating different immune cells for immune evasion and cancer development. Taken together, certain oncogenes and/or tumor suppressors not only play significant roles in initiating and fueling tumorigenesis, but also profoundly contribute to shaping the cancer immunity.
Aside from the influence of oncogenes and tumor suppressors, critical signaling pathways have been uncovered to control the drug sensitivities of cancer cells, such as the cancer cell dormancy regulated by Rb1-E2F signaling (Knudsen et al., 2019), epithelial to mesenchymal transition (EMT) induced by TGF-beta signaling (Katsuno et al., 2019), and so on. In this Research Topic, Zhu et al. investigated the roles of oxidative stress (OxS)-related genes in anti-cancer drugs sensitivity of lung adenocarcinoma (LUAD), and found a four OxS gene signature is correlated with the tumor mutation burden, tumor associated immune cell infiltration, and the expression of immune checkpoint molecules, which may contribute to individualized immunotherapeutic strategies for LUAD. Moreover, Feng et al. found that the peroxisome proliferator-activated receptor (PPAR) signaling pathway, related to fatty acid biosynthesis, might be a potential sorafenib resistance pathway in hepatocellular carcinoma (HCC) via regulating stemness of cancer cells. And in gastric cancer, Zhang et al. discovered that an EMT and immunity-related gene signature could be utilized as a biomarker to assess prognosis and guide precise treatment. Besides, epigenetic regulation such as DNA/RNA/histone modification, also broadly and deeply affects drug sensitivity. In this Research Topic, Meijing et al. identified three types of m6A methylation modification patterns are significantly different in immune infiltration in stomach adenocarcinoma (STAD). Further analysis by the researchers indicated that the m6A modification pattern may be a critical factor leading to inhibitory changes and heterogeneity in tumor micro-environment.
Anti-cancer drugs treatment not only targets the cancer cells but also reshapes the tumor macro-and micro-environment, which correspondingly affects the therapeutic efficacy of cancer patients. In this Research Topic, Tian et al. reviewed the critical roles of tumor micro-environment and immune escape in tumor occurrence, metastasis and anti-cancer drug resistance after sorafenib treatment in HCC patients. The relevant mechanisms focused on hypoxia, tumor-associated immune-suppressive cells, and immunosuppressive molecules. Moreover, Liu et al. found that macrophages and neutrophils are highly infiltrated, while CD8+ T cells are decreased in a sorafenib-resistant mouse HCC model. The authors identified nalidixic acid as a promising antagonist for sorafenib-resistant HCC treatment. In addition, Yang et al. investigated the roles of neutrophils in bladder cancer and established a neutrophil-based prognostic model incorporating five neutrophil-related genes, which may contribute to individualized prognostic prediction and clinical decision-making. Besides immune cells, inflammatory factors such as a series of cytokines and chemokines strongly modulate the responses of cancer cells to drugs. Wu et al. addressed the recent research progresses on regulating inflammatory factors for an intentional controlling anti-cancer response with immune checkpoint inhibitors. Indeed, the cross-talk between cancer cells and immune cells within the microenvironment, and the interplay between in situ cancers and the systematic immunity deserve more in-depth and detailed investigation in future, to further solve the mystery of anti-cancer drug resistance and shed light on the identification of novel and more effective drugs.
In recent years, cancer immunotherapies, including Chimeric Antigen Receptor (CAR) T cell and Immune Checkpoint Blockage (ICB) therapies, have achieved great success, though many knotty problems remain to be solved. Furthermore, with our deepening and broadening understanding of the roles and mechanisms of immunity in the development of anti-cancer drug resistance, more attention and effort will be paid to attacking the resistant cells from an immunomodulatory perspective in the near future, which we hope will eventually benefit cancer patients.
Author contributions
All authors listed have made a substantial, direct, and intellectual contribution to the work and approved it for publication.
Funding
This work was supported by the National Natural Science Foundation of China (82003450, 81602587, and 82273019), Macao Science and Technology Development Fund (FDCT) grants (0006/2021/AGJ and 0065/2021/A), the Key Project of Cancer Foundation of China (CFC2020kyxm003), the Tianjin Key Medical Discipline (Specialty) Construction Project (TJYXZDXK-061B), General Project of Tianjin Lung Cancer Institute (TJLCMS2021-03).
Acknowledgments
I would like to express my sincere thanks to the guest editorial team and all the reviewers who participated in the handling of this Research Topic. At the same time, I would like to thank all the authors who contributed to this Research Topic.
Conflict of interest
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Publisher’s note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
References
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Keywords: cancer therapy, drug resistance, immunity, precision oncology, tumor microenvironment
Citation: Meng Y, Wang H, Li X, Wu X and Sun H (2022) Editorial: Immunity in the development of anti-cancer drug resistance. Front. Pharmacol. 13:1120037. doi: 10.3389/fphar.2022.1120037
Received: 09 December 2022; Accepted: 12 December 2022;
Published: 16 December 2022.
Edited and reviewed by:
Dianwen Ju, Fudan University, ChinaCopyright © 2022 Meng, Wang, Li, Wu and Sun. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Correspondence: Ya Meng, bWVuZ3lhXzg1QDE2My5jb20= Haitao Wang, aGFpdGFvLndhbmdAbmloLmdvdg== Xuebing Li, eGJsaUB0bXUuZWR1LmNu Xinwei Wu, eGlud2VpLnd1QG5paC5nb3Y= Heng Sun, SGVuZ1N1bkB1bS5lZHUubW8=