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Lefler DS, Manobianco SA, Bashir B. Immunotherapy resistance in solid tumors: mechanisms and potential solutions. Cancer Biol Ther 2024; 25:2315655. [PMID: 38389121 PMCID: PMC10896138 DOI: 10.1080/15384047.2024.2315655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 02/04/2024] [Indexed: 02/24/2024] Open
Abstract
While the emergence of immunotherapies has fundamentally altered the management of solid tumors, cancers exploit many complex biological mechanisms that result in resistance to these agents. These encompass a broad range of cellular activities - from modification of traditional paradigms of immunity via antigen presentation and immunoregulation to metabolic modifications and manipulation of the tumor microenvironment. Intervening on these intricate processes may provide clinical benefit in patients with solid tumors by overcoming resistance to immunotherapies, which is why it has become an area of tremendous research interest with practice-changing implications. This review details the major ways cancers avoid both natural immunity and immunotherapies through primary (innate) and secondary (acquired) mechanisms of resistance, and it considers available and emerging therapeutic approaches to overcoming immunotherapy resistance.
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Affiliation(s)
- Daniel S. Lefler
- Department of Medicine, Division of Hematology and Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Steven A. Manobianco
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Babar Bashir
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
- Department of Pharmacology, Physiology, and Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
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2
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Bellon M, Yeh CH, Bai XT, Nicot C. The HTLV-I oncoprotein Tax inactivates the tumor suppressor FBXW7. J Virol 2024; 98:e0040524. [PMID: 38874362 PMCID: PMC11264933 DOI: 10.1128/jvi.00405-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/17/2024] [Indexed: 06/15/2024] Open
Abstract
Human T-cell leukemia virus type 1 (HTLV-I) is the etiological agent of adult T-cell leukemia (ATL). Mutational analysis has demonstrated that the tumor suppressor, F-box and WD repeat domain containing 7 (FBXW7/FBW7/CDC4), is mutated in primary ATL patients. However, even in the absence of genetic mutations, FBXW7 substrates are stabilized in ATL cells, suggesting additional mechanisms can prevent FBXW7 functions. Here, we report that the viral oncoprotein Tax represses FBXW7 activity, resulting in the stabilization of activated Notch intracellular domain, c-MYC, Cyclin E, and myeloid cell leukemia sequence 1 (BCL2-related) (Mcl-1). Mechanistically, we demonstrate that Tax directly binds to FBXW7 in the nucleus, effectively outcompeting other targets for binding to FBXW7, resulting in decreased ubiquitination and degradation of FBXW7 substrates. In support of the nuclear role of Tax, a non-degradable form of the nuclear factor kappa B subunit 2 (NFκB2/p100) was found to delocalize Tax to the cytoplasm, thereby preventing Tax interactions with FBXW7 and Tax-mediated inhibition of FBXW7. Finally, we characterize a Tax mutant that is unable to interact with FBXW7, unable to block FBXW7 tumor suppressor functions, and unable to effectively transform fibroblasts. These results demonstrate that HTLV-I Tax can inhibit FBXW7 functions without genetic mutations to promote an oncogenic state. These results suggest that Tax-mediated inhibition of FBXW7 is likely critical during the early stages of the cellular transformation process. IMPORTANCE F-box and WD repeat domain containing 7 (FBXW7), a critical tumor suppressor of human cancers, is frequently mutated or epigenetically suppressed. Loss of FBXW7 functions is associated with stabilization and increased expression of oncogenic factors such as Cyclin E, c-Myc, Mcl-1, mTOR, Jun, and Notch. In this study, we demonstrate that the human retrovirus human T-cell leukemia virus type 1 oncoprotein Tax directly interacts with FBXW7, effectively outcompeting other targets for binding to FBXW7, resulting in decreased ubiquitination and degradation of FBXW7 cellular substrates. We further demonstrate that a Tax mutant unable to interact with and inactivate FBXW7 loses its ability to transform primary fibroblasts. Collectively, our results describe a novel mechanism used by a human tumor virus to promote cellular transformation.
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Affiliation(s)
- Marcia Bellon
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Chien-hung Yeh
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Xue Tao Bai
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
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Qi Y, Rezaeian AH, Wang J, Huang D, Chen H, Inuzuka H, Wei W. Molecular insights and clinical implications for the tumor suppressor role of SCF FBXW7 E3 ubiquitin ligase. Biochim Biophys Acta Rev Cancer 2024; 1879:189140. [PMID: 38909632 DOI: 10.1016/j.bbcan.2024.189140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/04/2024] [Accepted: 06/17/2024] [Indexed: 06/25/2024]
Abstract
FBXW7 is one of the most well-characterized F-box proteins, serving as substrate receptor subunit of SKP1-CUL1-F-box (SCF) E3 ligase complexes. SCFFBXW7 is responsible for the degradation of various oncogenic proteins such as cyclin E, c-MYC, c-JUN, NOTCH, and MCL1. Therefore, FBXW7 functions largely as a major tumor suppressor. In keeping with this notion, FBXW7 gene mutations or downregulations have been found and reported in many types of malignant tumors, such as endometrial, colorectal, lung, and breast cancers, which facilitate the proliferation, invasion, migration, and drug resistance of cancer cells. Therefore, it is critical to review newly identified FBXW7 regulation and tumor suppressor function under physiological and pathological conditions to develop effective strategies for the treatment of FBXW7-altered cancers. Since a growing body of evidence has revealed the tumor-suppressive activity and role of FBXW7, here, we updated FBXW7 upstream and downstream signaling including FBXW7 ubiquitin substrates, the multi-level FBXW7 regulatory mechanisms, and dysregulation of FBXW7 in cancer, and discussed promising cancer therapies targeting FBXW7 regulators and downstream effectors, to provide a comprehensive picture of FBXW7 and facilitate the study in this field.
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Affiliation(s)
- Yihang Qi
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Abdol-Hossein Rezaeian
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Jingchao Wang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Daoyuan Huang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Hong Chen
- Vascular Biology Program, Department of Surgery, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Hiroyuki Inuzuka
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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Liu Z, Lin Z, Jiang M, Zhu G, Xiong T, Cao F, Cui Y, Niu YN. Cancer-associated fibroblast exosomes promote prostate cancer metastasis through miR-500a-3p/FBXW7/HSF1 axis under hypoxic microenvironment. Cancer Gene Ther 2024; 31:698-709. [PMID: 38351137 DOI: 10.1038/s41417-024-00742-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 02/19/2024]
Abstract
Metastasis is the main cause of deaths in prostate cancer (PCa). However, the exact mechanisms underlying PCa metastasis are not fully understood. In this study, we discovered pronounced hypoxia in primary lesions of metastatic PCa(mPCa). The exosomes secreted by cancer-associated fibroblasts (CAFs) under hypoxic conditions significantly enhance PCa metastasis both in vitro and in vivo. Through miRNA sequencing and reverse transcription quantitative PCR (RT-qPCR), we found that hypoxia elevated miR-500a-3p levels in CAFs exosomes. Subsequent RT-qPCR, western blotting, and dual luciferase reporter assays identified F-box and WD repeat domain-containing 7(FBXW7) as a target of miR-500a-3p. In addition, immunohistochemistry revealed that FBXW7 expression decreased with the progression of PCa, while heat shock transcription factor 1(HSF1) expression increased. Introducing an FBXW7 plasmid into PCa cells reduced their metastatic potential and significantly lowered HSF1 expression. These findings suggest that CAFs exosomes drive PCa metastasis via the miR-500a-3p/FBXW7/HSF1 axis in a hypoxic microenvironment. Targeting either hypoxia or exosomal miR-500a-3p could be a promising strategy for PCa management.
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Affiliation(s)
- Zhanliang Liu
- Beijing Friendship Hospital, Capital Medical University, 100050, Beijing, China
| | - Zhemin Lin
- Beijing Shijitan Hospital, Capital Medical University, 100038, Beijing, China
| | - Mingxin Jiang
- Beijing Friendship Hospital, Capital Medical University, 100050, Beijing, China
| | - Guangyi Zhu
- Beijing Shijitan Hospital, Capital Medical University, 100038, Beijing, China
| | - Tianyu Xiong
- Beijing Friendship Hospital, Capital Medical University, 100050, Beijing, China
| | - Fang Cao
- Cancer Hospital, Chinese Academy of Medical Science, 100021, Beijing, China
| | - Yun Cui
- Beijing Chaoyang Hospital, Capital Medical University, 100016, Beijing, China.
| | - Y N Niu
- Beijing Friendship Hospital, Capital Medical University, 100050, Beijing, China.
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Zhong Z, Virshup DM. Recurrent mutations in tumor suppressor FBXW7 bypass Wnt/β-catenin addiction in cancer. SCIENCE ADVANCES 2024; 10:eadk1031. [PMID: 38569029 PMCID: PMC10990278 DOI: 10.1126/sciadv.adk1031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 02/27/2024] [Indexed: 04/05/2024]
Abstract
Pathologic Wnt/β-catenin signaling drives various cancers, leading to multiple approaches to drug this pathway. Appropriate patient selection can maximize success of these interventions. Wnt ligand addiction is a druggable vulnerability in RNF43-mutant/RSPO-fusion cancers. However, pharmacologically targeting the biogenesis of Wnt ligands, e.g., with PORCN inhibitors, has shown mixed therapeutic responses, possibly due to tumor heterogeneity. Here, we show that the tumor suppressor FBXW7 is frequently mutated in RNF43-mutant/RSPO-fusion tumors, and FBXW7 mutations cause intrinsic resistance to anti-Wnt therapies. Mechanistically, FBXW7 inactivation stabilizes multiple oncoproteins including Cyclin E and MYC and antagonizes the cytostatic effect of Wnt inhibitors. Moreover, although FBXW7 mutations do not mitigate β-catenin degradation upon Wnt inhibition, FBXW7-mutant RNF43-mutant/RSPO-fusion cancers instead lose dependence on β-catenin signaling, accompanied by dedifferentiation and loss of lineage specificity. These FBXW7-mutant Wnt/β-catenin-independent tumors are susceptible to multi-cyclin-dependent kinase inhibition. An in-depth understanding of primary resistance to anti-Wnt/β-catenin therapies allows for more appropriate patient selection and use of alternative mechanism-based therapies.
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Affiliation(s)
- Zheng Zhong
- Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore
| | - David M. Virshup
- Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore
- Department of Pediatrics, Duke University, Durham, NC 27710, USA
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Zhang L, Jiao K, Liu Y, Xu G, Yang Z, Xiang L, Chen Z, Xu C, Zuo Y, Wu Z, Zheng N, Zhang X, Xia Q, Liu Y. UBXN9 inhibits the RNA exosome function to promote T cell control of liver tumorigenesis. Hepatology 2023:01515467-990000000-00672. [PMID: 38051955 DOI: 10.1097/hep.0000000000000711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 11/27/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND AND AIMS Liver tumorigenesis encompasses oncogenic activation and self-adaptation of various biological processes in premalignant hepatocytes to circumvent the pressure of cellular stress and host immune control. Ubiquitin regulatory X domain-containing proteins (UBXNs) participate in the regulation of certain signaling pathways. However, whether UBXN proteins function in the development of liver cancer remains unclear. APPROACH AND RESULTS Here, we demonstrated that UBXN9 (Alveolar Soft Part Sarcoma Chromosomal Region Candidate Gene 1 Protein/Alveolar Soft Part Sarcoma Locus) expression was decreased in autochthonous oncogene-induced mouse liver tumors and ~47.7% of human HCCs, and associated with poor prognosis in patients with HCC. UBXN9 attenuated liver tumorigenesis induced by different oncogenic factors and tumor growth of transplanted liver tumor cells in immuno-competent mice. Mechanistically, UBXN9 significantly inhibited the function of the RNA exosome, resulting in increased expression of RLR-stimulatory RNAs and activation of the retinoic acid-inducible gene-I-IFN-Ι signaling in tumor cells, and hence potentiated T cell recruitment and immune control of tumor growth. Abrogation of the CD8 + T cell response or inhibition of tumor cell retinoic acid-inducible gene-I signaling efficiently counteracted the UBXN9-mediated suppression of liver tumor growth. CONCLUSIONS Our results reveal a modality in which UBXN9 promotes the stimulatory RNA-induced retinoic acid-inducible gene-I-interferon signaling that induces anti-tumor T cell response in liver tumorigenesis. Targeted manipulation of the UBXN9-RNA exosome circuit may have the potential to reinstate the immune control of liver tumor growth.
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Affiliation(s)
- Li Zhang
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Kun Jiao
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Yun Liu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Guiqin Xu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Zhaojuan Yang
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Lvzhu Xiang
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Zehong Chen
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Chen Xu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - You Zuo
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Zhibai Wu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Ningqian Zheng
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Xiaoren Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital,School of Medicine, Shanghai Jiaotong University Shanghai, China
| | - Yongzhong Liu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
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7
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Wu L, Hong X, Yang C, Yang Y, Li W, Lu L, Cai M, Cao D, Zhuang G, Deng L. Noncanonical MAVS signaling restrains dendritic cell-driven antitumor immunity by inhibiting IL-12. Sci Immunol 2023; 8:eadf4919. [PMID: 38039379 DOI: 10.1126/sciimmunol.adf4919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 10/06/2023] [Indexed: 12/03/2023]
Abstract
Mitochondrial antiviral signaling protein (MAVS)-mediated cytosolic RNA sensing plays a central role in tumor immunogenicity. However, the effects of host MAVS signaling on antitumor immunity remain unclear. Here, we demonstrate that the host MAVS pathway supports tumor growth and impairs antitumor immunity, whereas MAVS deficiency in dendritic cells (DCs) promotes tumor-reactive CD8+ T cell responses. Specifically, CD8+ T cell priming capacity was enhanced by MAVS ablation in a type I interferon-independent, but IL-12-dependent, manner. Mechanistically, loss of the RIG-I/MAVS cascade activated the noncanonical NF-κB pathway and in turn induced IL-12 production by DCs. MAVS-restrained IL-12 promoted cross-talk between CD8+ T cells and DCs, which was licensed by IFN-γ. Moreover, ablation of host MAVS sensitized tumors to immunotherapy and attenuated radiation resistance, thereby facilitating the maintenance of effector CD8+ T cells. These findings demonstrate that the host MAVS pathway acts as an immune regulator of DC-driven antitumor immunity and support the development of immunotherapies that antagonize MAVS signaling in DCs.
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Affiliation(s)
- Lingling Wu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, National Key Laboratory of Innovative Immunotherapy, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaochuan Hong
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, National Key Laboratory of Innovative Immunotherapy, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chao Yang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, National Key Laboratory of Innovative Immunotherapy, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yuanqin Yang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wenwen Li
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Lu Lu
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, National Key Laboratory of Innovative Immunotherapy, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Meichun Cai
- Shanghai Key Laboratory of Gynecologic Oncology, Shanghai Cancer Institute, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, 200217, Shanghai, China
| | - Dongqing Cao
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Guanglei Zhuang
- Shanghai Key Laboratory of Gynecologic Oncology, Shanghai Cancer Institute, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, 200217, Shanghai, China
| | - Liufu Deng
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, National Key Laboratory of Innovative Immunotherapy, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
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Wang W, Jiang K, Liu X, Li J, Zhou W, Wang C, Cui J, Liang T. FBXW7 and human tumors: mechanisms of drug resistance and potential therapeutic strategies. Front Pharmacol 2023; 14:1278056. [PMID: 38027013 PMCID: PMC10680170 DOI: 10.3389/fphar.2023.1278056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Drug therapy, including chemotherapy, targeted therapy, immunotherapy, and endocrine therapy, stands as the foremost therapeutic approach for contemporary human malignancies. However, increasing drug resistance during antineoplastic therapy has become a substantial barrier to favorable outcomes in cancer patients. To enhance the effectiveness of different cancer therapies, an in-depth understanding of the unique mechanisms underlying tumor drug resistance and the subsequent surmounting of antitumor drug resistance is required. Recently, F-box and WD Repeat Domain-containing-7 (FBXW7), a recognized tumor suppressor, has been found to be highly associated with tumor therapy resistance. This review provides a comprehensive summary of the underlying mechanisms through which FBXW7 facilitates the development of drug resistance in cancer. Additionally, this review elucidates the role of FBXW7 in therapeutic resistance of various types of human tumors. The strategies and challenges implicated in overcoming tumor therapy resistance by targeting FBXW7 are also discussed.
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Affiliation(s)
| | | | | | | | | | | | | | - Tingting Liang
- Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
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Chen S, Leng P, Guo J, Zhou H. FBXW7 in breast cancer: mechanism of action and therapeutic potential. J Exp Clin Cancer Res 2023; 42:226. [PMID: 37658431 PMCID: PMC10474666 DOI: 10.1186/s13046-023-02767-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/18/2023] [Indexed: 09/03/2023] Open
Abstract
Breast cancer is one of the frequent tumors that seriously endanger the physical and mental well-being in women. F-box and WD repeat domain-containing 7 (FBXW7) is a neoplastic repressor. Serving as a substrate recognition element for ubiquitin ligase, FBXW7 participates in the ubiquitin-proteasome system and is typically in charge of the ubiquitination and destruction of crucial oncogenic proteins, further performing a paramount role in cell differentiation, apoptosis and metabolic processes. Low levels of FBXW7 cause abnormal stability of pertinent substrates, mutations and/or deletions in the FBXW7 gene have been reported to correlate with breast cancer malignant progression and chemoresistance. Given the lack of an effective solution to breast cancer's clinical drug resistance dilemma, elucidating FBXW7's mechanism of action could provide a theoretical basis for targeted drug exploration. Therefore, in this review, we focused on FBXW7's role in a range of breast cancer malignant behaviors and summarized the pertinent cellular targets, signaling pathways, as well as the mechanisms regulating FBXW7 expression. We also proposed novel perspectives for the exploitation of alternative therapies and specific tumor markers for breast cancer by therapeutic strategies aiming at FBXW7.
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Affiliation(s)
- Siyu Chen
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Construction for Diagnosisand, Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology , Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ping Leng
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Construction for Diagnosisand, Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology , Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jinlin Guo
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Construction for Diagnosisand, Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology , Chengdu University of Traditional Chinese Medicine, Chengdu, China.
| | - Hao Zhou
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Construction for Diagnosisand, Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology , Chengdu University of Traditional Chinese Medicine, Chengdu, China.
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Cai R, Zhu H, Liu Y, Sha H, Peng W, Yin R, Zhou G, Fang Y. To be, or not to be: the dilemma of immunotherapy for non-small cell lung cancer harboring various driver mutations. J Cancer Res Clin Oncol 2023; 149:10027-10040. [PMID: 37261523 PMCID: PMC10423141 DOI: 10.1007/s00432-023-04919-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/23/2023] [Indexed: 06/02/2023]
Abstract
INTRODUCTION Lung cancer is one of primary cancer type with high incidence and mortality, non-small cell lung cancer (NSCLC) is the most common type of lung cncer. For advanced lung cancer, traditional chemotherapy and targeted therapy become difficult to solve the dilemma of further progress. In recent years, with the clinical application of immunotherapy, the therapeutic strategy of lung cancer has changed dramatically. At present, immunotherapy has shown conspicuous efficacy in NSCLC patients with high expression of programmed death-ligand 1 (PD-L1) and high tumor mutational burden (TMB). The discovery of driver mutations brings delightful hope for targeted cancer therapy. However, it remains controversial whether immunotherapy can be used in NSCLC patients with these specific driver mutations. METHOD This article summarized the latest research progresses of immunotherapy in advanced NSCLC. We paid close attention to the relevance of various driver mutations and immunotherapy in NSCLC patients, and summarized the predictive effects of several driver mutations and immunotherapy. RESULTS The mutations of KRAS, KRAS+TP53, EPHA (especially EPHA5), ZFHX3, ZFHX3+TP53, NOTCH, BRAF and LRP1B+FAT3 have potential to be used as biomarkers to predict the positive effectiveness of immunotherapy. ZFHX3, ZFHX3+TP53, STKII/LKB1+KEAP1+SMARCA4+PBRM1 mutations in LUAD patients get more positive effect in immunotherapy. While the mutations of EGFR, KEAP1, STKII/LKB1+KRAS, EML4-ALK, MET exon 14 skipping mutation, PBRM1, STKII/LKB1+KEAP1+SMARCA4+PBRM1, ERBB2, PIK3CA and RET often indicate poor benefit from immunotherapy. CONCLUSION Many gene mutations have been shown to be associated with immunotherapy efficacy. Gene mutations should be combined with PD-L1, TMB, etc. to predict the effect of immunotherapy.
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Affiliation(s)
- Ruoxue Cai
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Baiziting 42, Nanjing, 210009, People's Republic of China
| | - Hongyu Zhu
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, 210009, People's Republic of China
| | - Ying Liu
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Baiziting 42, Nanjing, 210009, People's Republic of China
| | - Huanhuan Sha
- Department of Oncology, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, 210009, People's Republic of China
| | - Weiwei Peng
- Department of Oncology, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, 210009, People's Republic of China
| | - Rong Yin
- Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital & Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, 210009, People's Republic of China
| | - Guoren Zhou
- Department of Oncology, The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Baiziting 42, Nanjing, 210009, People's Republic of China.
| | - Ying Fang
- Department of Oncology, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, 210009, People's Republic of China
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11
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Yiu SPT, Zerbe C, Vanderwall D, Huttlin EL, Weekes MP, Gewurz BE. An Epstein-Barr virus protein interaction map reveals NLRP3 inflammasome evasion via MAVS UFMylation. Mol Cell 2023; 83:2367-2386.e15. [PMID: 37311461 PMCID: PMC10372749 DOI: 10.1016/j.molcel.2023.05.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 04/05/2023] [Accepted: 05/14/2023] [Indexed: 06/15/2023]
Abstract
Epstein-Barr virus (EBV) causes infectious mononucleosis, triggers multiple sclerosis, and is associated with 200,000 cancers/year. EBV colonizes the human B cell compartment and periodically reactivates, inducing expression of 80 viral proteins. However, much remains unknown about how EBV remodels host cells and dismantles key antiviral responses. We therefore created a map of EBV-host and EBV-EBV interactions in B cells undergoing EBV replication, uncovering conserved herpesvirus versus EBV-specific host cell targets. The EBV-encoded G-protein-coupled receptor BILF1 associated with MAVS and the UFM1 E3 ligase UFL1. Although UFMylation of 14-3-3 proteins drives RIG-I/MAVS signaling, BILF1-directed MAVS UFMylation instead triggered MAVS packaging into mitochondrial-derived vesicles and lysosomal proteolysis. In the absence of BILF1, EBV replication activated the NLRP3 inflammasome, which impaired viral replication and triggered pyroptosis. Our results provide a viral protein interaction network resource, reveal a UFM1-dependent pathway for selective degradation of mitochondrial cargo, and highlight BILF1 as a novel therapeutic target.
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Affiliation(s)
- Stephanie Pei Tung Yiu
- Division of Infectious Diseases, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Harvard Graduate Program in Virology, Boston, MA 02115, USA; Center for Integrated Solutions to Infectious Diseases, Broad Institute and Harvard Medical School, Cambridge, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Cassie Zerbe
- Cambridge Institute for Medical Research, University of Cambridge, Hills Road, Cambridge CB2 0XY, UK
| | - David Vanderwall
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Edward L Huttlin
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Michael P Weekes
- Cambridge Institute for Medical Research, University of Cambridge, Hills Road, Cambridge CB2 0XY, UK.
| | - Benjamin E Gewurz
- Division of Infectious Diseases, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Harvard Graduate Program in Virology, Boston, MA 02115, USA; Center for Integrated Solutions to Infectious Diseases, Broad Institute and Harvard Medical School, Cambridge, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA.
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12
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Shain AH. Melanoma Genomics: Shifting Focus from Inter- to Intrapatient Variation. Cancer Discov 2023; 13:1294-1296. [PMID: 37264823 DOI: 10.1158/2159-8290.cd-23-0340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
SUMMARY Traditionally, omic studies have prioritized the number of patients over the number of tumors per patient, but in a reversal of this study design, Spain and colleagues performed the largest intrapatient analysis of melanoma to date. Their work reveals mechanisms of treatment resistance, patterns of metastatic dissemination, and new insights into the evolutionary trajectories of melanoma. See related article by Spain et al., p. 1364 (1).
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Affiliation(s)
- A Hunter Shain
- Department of Dermatology, University of California San Francisco, San Francisco, California
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13
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Zheng J, Shi W, Yang Z, Chen J, Qi A, Yang Y, Deng Y, Yang D, Song N, Song B, Luo D. RIG-I-like receptors: Molecular mechanism of activation and signaling. Adv Immunol 2023; 158:1-74. [PMID: 37453753 DOI: 10.1016/bs.ai.2023.03.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
During RNA viral infection, RIG-I-like receptors (RLRs) recognize the intracellular pathogenic RNA species derived from viral replication and activate antiviral innate immune response by stimulating type 1 interferon expression. Three RLR members, namely, RIG-I, MDA5, and LGP2 are homologous and belong to a subgroup of superfamily 2 Helicase/ATPase that is preferably activated by double-stranded RNA. RLRs are significantly different in gene architecture, RNA ligand preference, activation, and molecular functions. As switchable macromolecular sensors, RLRs' activities are tightly regulated by RNA ligands, ATP, posttranslational modifications, and cellular cofactors. We provide a comprehensive review of the structure and function of the RLRs and summarize the molecular understanding of sensing and signaling events during the RLR activation process. The key roles RLR signaling play in both anti-infection and immune disease conditions highlight the therapeutic potential in targeting this important molecular pathway.
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Affiliation(s)
- Jie Zheng
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, China; Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
| | - Wenjia Shi
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Ziqun Yang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Jin Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Ao Qi
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, China; Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Yulin Yang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, China; Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Ying Deng
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Dongyuan Yang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Ning Song
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Bin Song
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Dahai Luo
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore; NTU Institute of Structural Biology, Nanyang Technological University, Singapore, Singapore.
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14
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Chen S, Lin J, Zhao J, Lin Q, Liu J, Wang Q, Mui R, Ma L. FBXW7 attenuates tumor drug resistance and enhances the efficacy of immunotherapy. Front Oncol 2023; 13:1147239. [PMID: 36998461 PMCID: PMC10043335 DOI: 10.3389/fonc.2023.1147239] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 02/24/2023] [Indexed: 03/17/2023] Open
Abstract
FBXW7 (F-box and WD repeat domain containing 7) is a critical subunit of the Skp1-Cullin1-F-box protein (SCF), acting as an E3 ubiquitin ligase by ubiquitinating targeted protein. Through degradation of its substrates, FBXW7 plays a pivotal role in drug resistance in tumor cells and shows the potential to rescue the sensitivity of cancer cells to drug treatment. This explains why patients with higher FBXW7 levels exhibit higher survival times and more favorable prognosis. Furthermore, FBXW7 has been demonstrated to enhance the efficacy of immunotherapy by targeting the degradation of specific proteins, as compared to the inactivated form of FBXW7. Additionally, other F-box proteins have also shown the ability to conquer drug resistance in certain cancers. Overall, this review aims to explore the function of FBXW7 and its specific effects on drug resistance in cancer cells.
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Affiliation(s)
- Shimin Chen
- Department of Oncology, Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Jichun Lin
- Department of Oncology, Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Jiaojiao Zhao
- Department of Oncology, Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Qian Lin
- Department of Oncology, Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jia Liu
- Department of Pharmacology, School of Pharmacy, Qingdao University, Qingdao, China
| | - Qiang Wang
- Oncology Department, Shandong Second Provincial General Hospital, Jinan, China
| | - Ryan Mui
- Department of Gastroenterology, Sparrow Hospital, Lansing, MI, United States
| | - Leina Ma
- Department of Oncology, Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao, China
- *Correspondence: Leina Ma,
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15
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Fox DB, Ebright RY, Hong X, Russell HC, Guo H, LaSalle TJ, Wittner BS, Poux N, Vuille JA, Toner M, Hacohen N, Boland GM, Sen DR, Sullivan RJ, Maheswaran S, Haber DA. Downregulation of KEAP1 in melanoma promotes resistance to immune checkpoint blockade. NPJ Precis Oncol 2023; 7:25. [PMID: 36864091 PMCID: PMC9981575 DOI: 10.1038/s41698-023-00362-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 02/10/2023] [Indexed: 03/04/2023] Open
Abstract
Immune checkpoint blockade (ICB) has demonstrated efficacy in patients with melanoma, but many exhibit poor responses. Using single cell RNA sequencing of melanoma patient-derived circulating tumor cells (CTCs) and functional characterization using mouse melanoma models, we show that the KEAP1/NRF2 pathway modulates sensitivity to ICB, independently of tumorigenesis. The NRF2 negative regulator, KEAP1, shows intrinsic variation in expression, leading to tumor heterogeneity and subclonal resistance.
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Affiliation(s)
- Douglas B Fox
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
| | - Richard Y Ebright
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
| | - Xin Hong
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Department of Biochemistry, School of Medicine and Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Hunter C Russell
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
| | - Hongshan Guo
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, 311121, China
| | - Thomas J LaSalle
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02139, USA
| | - Ben S Wittner
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
| | - Nicolas Poux
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
| | - Joanna A Vuille
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
| | - Mehmet Toner
- Center for Engineering in Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
- Shriners Hospitals for Children, Boston, MA, 02114, USA
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Nir Hacohen
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02139, USA
| | - Genevieve M Boland
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Debattama R Sen
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Ryan J Sullivan
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA
- Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Shyamala Maheswaran
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA.
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Daniel A Haber
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, 02114, USA.
- Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
- Howard Hughes Medical Institute, Bethesda, MD, 20815, USA.
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16
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Vanni I, Pastorino L, Tanda ET, Andreotti V, Dalmasso B, Solari N, Mascherini M, Cabiddu F, Guadagno A, Coco S, Allavena E, Bruno W, Pietra G, Croce M, Gangemi R, Piana M, Zoppoli G, Ferrando L, Spagnolo F, Queirolo P, Ghiorzo P. Whole-Exome Sequencing and cfDNA Analysis Uncover Genetic Determinants of Melanoma Therapy Response in a Real-World Setting. Int J Mol Sci 2023; 24:ijms24054302. [PMID: 36901733 PMCID: PMC10002464 DOI: 10.3390/ijms24054302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/16/2023] [Accepted: 02/19/2023] [Indexed: 02/24/2023] Open
Abstract
Although several studies have explored the molecular landscape of metastatic melanoma, the genetic determinants of therapy resistance are still largely unknown. Here, we aimed to determine the contribution of whole-exome sequencing and circulating free DNA (cfDNA) analysis in predicting response to therapy in a consecutive real-world cohort of 36 patients, undergoing fresh tissue biopsy and followed during treatment. Although the underpowered sample size limited statistical analysis, samples from non-responders had higher copy number variations and mutations in melanoma driver genes compared to responders in the BRAF V600+ subset. In the BRAF V600- subset, Tumor Mutational Burden (TMB) was twice that in responders vs. non-responders. Genomic layout revealed commonly known and novel potential intrinsic/acquired resistance driver gene variants. Among these, RAC1, FBXW7, GNAQ mutations, and BRAF/PTEN amplification/deletion were present in 42% and 67% of patients, respectively. Both Loss of Heterozygosity (LOH) load and tumor ploidy were inversely associated with TMB. In immunotherapy-treated patients, samples from responders showed higher TMB and lower LOH and were more frequently diploid compared to non-responders. Secondary germline testing and cfDNA analysis proved their efficacy in finding germline predisposing variants carriers (8.3%) and following dynamic changes during treatment as a surrogate of tissue biopsy, respectively.
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Affiliation(s)
- Irene Vanni
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Lorenza Pastorino
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
| | - Enrica Teresa Tanda
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
- Medical Oncology 2, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Virginia Andreotti
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Bruna Dalmasso
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Nicola Solari
- Surgical Oncology, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Matteo Mascherini
- Surgical Clinic Unit 1, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Francesco Cabiddu
- Anatomic Pathology Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Antonio Guadagno
- Anatomic Pathology Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Simona Coco
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Eleonora Allavena
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
| | - William Bruno
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
| | - Gabriella Pietra
- IRCCS Ospedale Policlinico San Martino, U.O. Immunologia, 16132 Genoa, Italy
- Department of Experimental Medicine (DiMES), University of Genoa, 16132 Genoa, Italy
| | - Michela Croce
- Bioterapie, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Rosaria Gangemi
- Bioterapie, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Michele Piana
- Dipartimento di Matematica (MIDA), University of Genoa, 16132 Genoa, Italy
- Life Science Computational Laboratory (LISCOMP), IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Gabriele Zoppoli
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
- Clinica di Medicina Interna a Indirizzo Oncologico, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Lorenzo Ferrando
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
- Clinica di Medicina Interna a Indirizzo Oncologico, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Francesco Spagnolo
- Medical Oncology 2, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate (DISC), University of Genoa, 16132 Genoa, Italy
| | - Paola Queirolo
- Melanoma, Sarcoma & Rare Tumors Division, European Institute of Oncology (IEO), 20141 Milan, Italy
| | - Paola Ghiorzo
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Department of Internal Medicine and Medical Specialties (DiMI), University of Genoa, 16132 Genoa, Italy
- Correspondence: ; Tel.: +39-010-5557255
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17
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Coelho MA, Cooper S, Strauss ME, Karakoc E, Bhosle S, Gonçalves E, Picco G, Burgold T, Cattaneo CM, Veninga V, Consonni S, Dinçer C, Vieira SF, Gibson F, Barthorpe S, Hardy C, Rein J, Thomas M, Marioni J, Voest EE, Bassett A, Garnett MJ. Base editing screens map mutations affecting interferon-γ signaling in cancer. Cancer Cell 2023; 41:288-303.e6. [PMID: 36669486 PMCID: PMC9942875 DOI: 10.1016/j.ccell.2022.12.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/14/2022] [Accepted: 12/22/2022] [Indexed: 01/20/2023]
Abstract
Interferon-γ (IFN-γ) signaling mediates host responses to infection, inflammation and anti-tumor immunity. Mutations in the IFN-γ signaling pathway cause immunological disorders, hematological malignancies, and resistance to immune checkpoint blockade (ICB) in cancer; however, the function of most clinically observed variants remains unknown. Here, we systematically investigate the genetic determinants of IFN-γ response in colorectal cancer cells using CRISPR-Cas9 screens and base editing mutagenesis. Deep mutagenesis of JAK1 with cytidine and adenine base editors, combined with pathway-wide screens, reveal loss-of-function and gain-of-function mutations, including causal variants in hematological malignancies and mutations detected in patients refractory to ICB. We functionally validate variants of uncertain significance in primary tumor organoids, where engineering missense mutations in JAK1 enhanced or reduced sensitivity to autologous tumor-reactive T cells. We identify more than 300 predicted missense mutations altering IFN-γ pathway activity, generating a valuable resource for interpreting gene variant function.
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Affiliation(s)
- Matthew A Coelho
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | - Sarah Cooper
- Gene Editing and Cellular Research and Development, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | | | - Emre Karakoc
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | - Shriram Bhosle
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK
| | - Emanuel Gonçalves
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Instituto Superior Técnico, Universidade de Lisboa, 1049-001, and, INESC-ID, 1000-029, Lisbon, Portugal
| | - Gabriele Picco
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | - Thomas Burgold
- Gene Editing and Cellular Research and Development, Wellcome Sanger Institute, Hinxton, UK
| | - Chiara M Cattaneo
- Department of Immunology and Molecular Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands; Open Targets, Cambridge, UK
| | - Vivien Veninga
- Department of Immunology and Molecular Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands; Open Targets, Cambridge, UK
| | - Sarah Consonni
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | - Cansu Dinçer
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK
| | - Sara F Vieira
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | - Freddy Gibson
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK
| | - Syd Barthorpe
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK
| | - Claire Hardy
- Cancer, Ageing and Somatic Mutation, Wellcome Sanger Institute, Hinxton, UK
| | - Joel Rein
- Cellular Operations and Stem Cell Informatics, Wellcome Sanger Institute, Hinxton, UK
| | - Mark Thomas
- Cellular Operations and Stem Cell Informatics, Wellcome Sanger Institute, Hinxton, UK
| | - John Marioni
- EMBL-European Bioinformatics Institute, Cambridge, UK
| | - Emile E Voest
- Department of Immunology and Molecular Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands; Oncode Institute, Utrecht, the Netherlands; Open Targets, Cambridge, UK
| | - Andrew Bassett
- Gene Editing and Cellular Research and Development, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK
| | - Mathew J Garnett
- Translational Cancer Genomics, Wellcome Sanger Institute, Hinxton, UK; Open Targets, Cambridge, UK.
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18
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Hou B, Chen T, Zhang H, Li J, Wang P, Shang G. The E3 ubiquitin ligases regulate PD-1/PD-L1 protein levels in tumor microenvironment to improve immunotherapy. Front Immunol 2023; 14:1123244. [PMID: 36733484 PMCID: PMC9887025 DOI: 10.3389/fimmu.2023.1123244] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 01/03/2023] [Indexed: 01/19/2023] Open
Abstract
The tumor microenvironment (TME) is the tumor surrounding environment, which is critical for tumor development and progression. TME is also involved in clinical intervention and treatment outcomes. Modulation of TME is useful for improving therapy strategies. PD-L1 protein on tumor cells interacts with PD-1 protein on T cells, contributing to T cell dysfunction and exhaustion, blockage of the immune response. Evidence has demonstrated that the expression of PD-1/PD-L1 is associated with clinical response to anti-PD-1/PD-L1 therapy in cancer patients. It is important to discuss the regulatory machinery how PD-1/PD-L1 protein is finely regulated in tumor cells. In recent years, studies have demonstrated that PD-1/PD-L1 expression was governed by various E3 ubiquitin ligases in TME, contributing to resistance of anti-PD-1/PD-L1 therapy in human cancers. In this review, we will discuss the role and molecular mechanisms of E3 ligases-mediated regulation of PD-1 and PD-L1 in TME. Moreover, we will describe how E3 ligases-involved PD-1/PD-L1 regulation alters anti-PD-1/PD-L1 efficacy. Altogether, targeting E3 ubiquitin ligases to control the PD-1/PD-L1 protein levels could be a potential strategy to potentiate immunotherapeutic effects in cancer patients.
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Affiliation(s)
- Bo Hou
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Ting Chen
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - He Zhang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jiatong Li
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Peter Wang
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, China
| | - Guanning Shang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China,*Correspondence: Guanning Shang,
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19
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Cai Y, Gao Q, Meng JH, Chen L. Puerarin Suppresses Glycolysis and Increases Cisplatin Chemosensitivity in Oral Squamous Cell Carcinoma via FBXW7/mTOR Signaling. Nutr Cancer 2023; 75:1028-1037. [PMID: 36718661 DOI: 10.1080/01635581.2023.2168023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
This study aimed to observe the effects of puerarin on glycolysis and cisplatin sensitivity in oral squamous cell carcinoma (oSCC) cells and to explore the underlying mechanisms. CAL27 cells over- or under-expressing FBXW7 were treated with cisplatin or puerarin, and the levels of proteins involved in glycolysis as well as the activity of the respective enzymes were assessed. Glucose uptake and lactate production were also evaluated, and the IC50 value of cisplatin in CAL27 cells was determined. FBXW7 overexpression significantly downregulated HK2, PKM2, and LDH; suppressed the activity of the corresponding enzymes hexokinase, pyruvate kinase, and lactate dehydrogenase; as well as reduced glucose uptake and lactate production. FBXW7 overexpression was also associated with decreased mTOR phosphorylation and increased cisplatin sensitivity. These effects were partially antagonized by lactate or the mTOR agonist MHY1485. Puerarin suppressed glycolysis by reducing glucose uptake and lactate production, while it promoted cisplatin sensitivity and activated the FBXW7/mTOR signal pathway in a concentration-dependent manner. These effects were antagonized by FBXW7 downregulation or treatment with MHY1485. Our results suggest that FBXW7 improves cisplatin chemosensitivity and suppresses glycolysis in oSCC cells, indicating its promising potential as a target for puerarin to regulate the cisplatin sensitivity of oSCC cells.
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Affiliation(s)
- Yu Cai
- Department of Pharmacy, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, Hubei, China
| | - Qiang Gao
- Department of Pharmacy, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, Hubei, China
| | - Jun-Hua Meng
- Department of Pharmacy, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, Hubei, China
| | - Ling Chen
- Department of Pharmacy, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, Hubei, China
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20
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Wang Y, Zhao Y, Guo W, Yadav GS, Bhaskarla C, Wang Z, Wang X, Li S, Wang Y, Chen Y, Pattarayan D, Xie W, Li S, Lu B, Kammula US, Zhang M, Yang D. Genome-wide gain-of-function screening characterized lncRNA regulators for tumor immune response. SCIENCE ADVANCES 2022; 8:eadd0005. [PMID: 36475797 PMCID: PMC9728976 DOI: 10.1126/sciadv.add0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 11/05/2022] [Indexed: 06/17/2023]
Abstract
The majority of lncRNAs' roles in tumor immunology remain elusive. This project performed a CRISPR activation screening of 9744 lncRNAs in melanoma cells cocultured with human CD8+ T cells. We identified 16 lncRNAs potentially regulating tumor immune response. Further integrative analysis using tumor immunogenomics data revealed that IL10RB-DT and LINC01198 are significantly correlated with tumor immune response and survival in melanoma and breast cancer. Specifically, IL10RB-DT suppresses CD8+ T cells activation via inhibiting IFN-γ-JAK-STAT1 signaling and antigen presentation in melanoma and breast cancer cells. On the other hand, LINC01198's up-regulation sensitizes the killing of tumor cells by CD8+ T cells. Mechanistically, LINC01198 interacts and activates NF-κB component p65 to trigger the type I and type II interferon responses in melanoma and breast cancer cells. Our study systematically characterized novel lncRNAs involved in tumor immune response.
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Affiliation(s)
- Yifei Wang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Yueshan Zhao
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Weiwei Guo
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | | | - Chetana Bhaskarla
- UPMC Hillman Cancer Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Zehua Wang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Xiaofei Wang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Sihan Li
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Yue Wang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Yuang Chen
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Dhamotharan Pattarayan
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Wen Xie
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Song Li
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Binfeng Lu
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Udai S. Kammula
- UPMC Hillman Cancer Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Division of Surgical Oncology, Department of Surgery, University of Pittsburgh School of Medicine, University of Pittsburgh Cancer Institute, Pittsburgh, PA 15213, USA
| | - Min Zhang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Da Yang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
- UPMC Hillman Cancer Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA
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21
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Hariharan A, Qi W, Rehrauer H, Wu L, Ronner M, Wipplinger M, Kresoja‐Rakic J, Sun S, Oton‐Gonzalez L, Sculco M, Serre‐Beinier V, Meiller C, Blanquart C, Fonteneau J, Vrugt B, Rüschoff JH, Opitz I, Jean D, de Perrot M, Felley‐Bosco E. Heterogeneous RNA editing and influence of ADAR2 on mesothelioma chemoresistance and the tumor microenvironment. Mol Oncol 2022; 16:3949-3974. [PMID: 36221913 PMCID: PMC9718120 DOI: 10.1002/1878-0261.13322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/13/2022] [Accepted: 10/11/2022] [Indexed: 12/24/2022] Open
Abstract
We previously observed increased levels of adenosine-deaminase-acting-on-dsRNA (Adar)-dependent RNA editing during mesothelioma development in mice exposed to asbestos. The aim of this study was to characterize and assess the role of ADAR-dependent RNA editing in mesothelioma. We found that tumors and mesothelioma primary cultures have higher ADAR-mediated RNA editing compared to mesothelial cells. Unsupervised clustering of editing in different genomic regions revealed heterogeneity between tumor samples as well as mesothelioma primary cultures. ADAR2 expression levels are higher in BRCA1-associated protein 1 wild-type tumors, with corresponding changes in RNA editing in transcripts and 3'UTR. ADAR2 knockdown and rescue models indicated a role in cell proliferation, altered cell cycle, increased sensitivity to antifolate treatment, and type-1 interferon signaling upregulation, leading to changes in the microenvironment in vivo. Our data indicate that RNA editing contributes to mesothelioma heterogeneity and highlights an important role of ADAR2 not only in growth regulation in mesothelioma but also in chemotherapy response, in addition to regulating inflammatory response downstream of sensing nucleic acid structures.
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Affiliation(s)
- Ananya Hariharan
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Weihong Qi
- Functional Genomics Center, ETH ZurichUniversity of ZurichSwitzerland
| | - Hubert Rehrauer
- Functional Genomics Center, ETH ZurichUniversity of ZurichSwitzerland
| | - Licun Wu
- Latner Thoracic Surgery Laboratories, Division of Thoracic SurgeryUniversity Health NetworkTorontoCanada
| | - Manuel Ronner
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Martin Wipplinger
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Jelena Kresoja‐Rakic
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Suna Sun
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Lucia Oton‐Gonzalez
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Marika Sculco
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | | | - Clément Meiller
- Centre de Recherche des Cordeliers, InsermSorbonne Université, Université Paris Cité, Functional Genomics of Solid TumorsFrance
| | - Christophe Blanquart
- Nantes Université, Inserm UMR 1307, CNRS UMR 6075, Université d'Angers, CRCI2NAFrance
| | | | - Bart Vrugt
- Institute of Pathology and Molecular PathologyUniversity Hospital ZurichSwitzerland
| | - Jan Hendrik Rüschoff
- Institute of Pathology and Molecular PathologyUniversity Hospital ZurichSwitzerland
| | - Isabelle Opitz
- Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
| | - Didier Jean
- Centre de Recherche des Cordeliers, InsermSorbonne Université, Université Paris Cité, Functional Genomics of Solid TumorsFrance
| | - Marc de Perrot
- Latner Thoracic Surgery Laboratories, Division of Thoracic SurgeryUniversity Health NetworkTorontoCanada
| | - Emanuela Felley‐Bosco
- Laboratory of Molecular Oncology, Department of Thoracic SurgeryUniversity Hospital ZurichSwitzerland
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22
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Feng R, Mayuranathan T, Huang P, Doerfler PA, Li Y, Yao Y, Zhang J, Palmer LE, Mayberry K, Christakopoulos GE, Xu P, Li C, Cheng Y, Blobel GA, Simon MC, Weiss MJ. Activation of γ-globin expression by hypoxia-inducible factor 1α. Nature 2022; 610:783-790. [PMID: 36224385 PMCID: PMC9773321 DOI: 10.1038/s41586-022-05312-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 09/02/2022] [Indexed: 12/24/2022]
Abstract
Around birth, globin expression in human red blood cells (RBCs) shifts from γ-globin to β-globin, which results in fetal haemoglobin (HbF, α2γ2) being gradually replaced by adult haemoglobin (HbA, α2β2)1. This process has motivated the development of innovative approaches to treat sickle cell disease and β-thalassaemia by increasing HbF levels in postnatal RBCs2. Here we provide therapeutically relevant insights into globin gene switching obtained through a CRISPR-Cas9 screen for ubiquitin-proteasome components that regulate HbF expression. In RBC precursors, depletion of the von Hippel-Lindau (VHL) E3 ubiquitin ligase stabilized its ubiquitination target, hypoxia-inducible factor 1α (HIF1α)3,4, to induce γ-globin gene transcription. Mechanistically, HIF1α-HIF1β heterodimers bound cognate DNA elements in BGLT3, a long noncoding RNA gene located 2.7 kb downstream of the tandem γ-globin genes HBG1 and HBG2. This was followed by the recruitment of transcriptional activators, chromatin opening and increased long-range interactions between the γ-globin genes and their upstream enhancer. Similar induction of HbF occurred with hypoxia or with inhibition of prolyl hydroxylase domain enzymes that target HIF1α for ubiquitination by the VHL E3 ubiquitin ligase. Our findings link globin gene regulation with canonical hypoxia adaptation, provide a mechanism for HbF induction during stress erythropoiesis and suggest a new therapeutic approach for β-haemoglobinopathies.
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Affiliation(s)
- Ruopeng Feng
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | | | - Peng Huang
- Division of Hematology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Phillip A Doerfler
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Yichao Li
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Yu Yao
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Jingjing Zhang
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lance E Palmer
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Kalin Mayberry
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | | | - Peng Xu
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Chunliang Li
- Department of Tumor Cell Biology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Yong Cheng
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Gerd A Blobel
- Division of Hematology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - M Celeste Simon
- Abramson Family Cancer Research Institute, Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
| | - Mitchell J Weiss
- Department of Hematology, St Jude Children's Research Hospital, Memphis, TN, USA.
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23
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Ping S, Wang S, Zhao Y, He J, Li G, Li D, Wei Z, Chen J. Identification and validation of a ferroptosis-related gene signature for predicting survival in skin cutaneous melanoma. Cancer Med 2022; 11:3529-3541. [PMID: 35373463 PMCID: PMC9487883 DOI: 10.1002/cam4.4706] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 03/03/2022] [Accepted: 03/15/2022] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Ferroptosis plays a crucial role in the initiation and progression of melanoma. This study developed a robust signature with ferroptosis-related genes (FRGs) and assessed the ability of this signature to predict OS in patients with skin cutaneous melanoma (SKCM). METHODS RNA-sequencing data and clinical information of melanoma patients were extracted from TCGA, GEO, and GTEx. Univariate, multivariate, and LASSO regression analyses were conducted to identify the gene signature. A 10 FRG signature was an independent and strong predictor of survival. The predictive performance was assessed using ROC curve. The functions of this gene signature were assessed by GO and KEGG analysis. The statuses of low-risk and high-risk groups according to the gene signature were compared by GSEA. In addition, we investigated the possible relationship of FRGs with immunotherapy efficacy. RESULTS A prognostic signature with 10 FRGs (CYBB, IFNG, FBXW7, ARNTL, PROM2, GPX2, JDP2, SLC7A5, TUBE1, and HAMP) was identified by Cox regression analysis. This signature had a higher prediction efficiency than clinicopathological features (AUC = 0.70). The enrichment analyses of DEGs indicated that ferroptosis-related immune pathways were largely enriched. Furthermore, GSEA showed that ferroptosis was associated with immunosuppression in the high-risk group. Finally, immune checkpoints such as PDCD-1 (PD-1), CTLA4, CD274 (PD-L1), and LAG3 were also differential expression in two risk groups. CONCLUSIONS The 10 FRGs signature were a strong predictor of OS in SKCM and could be used to predict therapeutic targets for melanoma.
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Affiliation(s)
- Shuai Ping
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Siyuan Wang
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yingsong Zhao
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Jinbing He
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Guanglei Li
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Dinglin Li
- Department of Integrated Traditional Chinese and Western Medicine, Liyuan HospitalTongji Medical College of Huazhong University of Science and TechnologyWuhanChina
| | - Zhuo Wei
- Department of Orthopaedics, Liyuan Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Jianghai Chen
- Department of Hand Surgery, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
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24
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Jin R, Cao X, Lu M, Gao Q, Ma T. The intersection molecule MDA5 in Cancer and COVID-19. Front Immunol 2022; 13:963051. [PMID: 36119095 PMCID: PMC9471860 DOI: 10.3389/fimmu.2022.963051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/09/2022] [Indexed: 11/13/2022] Open
Abstract
The connections between pattern recognition receptors (PRRs) and pathogen-associated molecular patterns (PAMPs) constitutes the crucial signaling pathways in the innate immune system. Cytoplasmic nucleic acid sensor melanoma differentiation-associated gene 5 (MDA5) serves as an important pattern recognition receptor in the innate immune system by recognizing viral RNA. MDA5 also plays a role in identifying the cytoplasmic RNA from damaged, dead cancer cells or autoimmune diseases. MDA5’s recognition of RNA triggers innate immune responses, induces interferon (IFN) response and a series of subsequent signaling pathways to produce immunomodulatory factors and inflammatory cytokines. Here we review the latest progress of MDA5 functions in triggering anti-tumor immunity by sensing cytoplasmic dsRNA, and recognizing SARS-CoV-2 virus infection for antiviral response, in which the virus utilizes multiple ways to evade the host defense mechanism.
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Affiliation(s)
- Renjing Jin
- Cancer Research Center, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Xiaoqing Cao
- Department of Thoracic Surgery, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Mingjun Lu
- Cancer Research Center, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Qing Gao
- Cancer Research Center, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Teng Ma
- Cancer Research Center, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
- *Correspondence: Teng Ma,
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25
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Sanchez-Burgos L, Navarro-González B, García-Martín S, Sirozh O, Mota-Pino J, Fueyo-Marcos E, Tejero H, Antón ME, Murga M, Al-Shahrour F, Fernandez-Capetillo O. Activation of the integrated stress response is a vulnerability for multidrug-resistant FBXW7-deficient cells. EMBO Mol Med 2022; 14:e15855. [PMID: 35861150 PMCID: PMC9449593 DOI: 10.15252/emmm.202215855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 07/06/2022] [Accepted: 07/08/2022] [Indexed: 12/04/2022] Open
Abstract
FBXW7 is one of the most frequently mutated tumor suppressors, deficiency of which has been associated with resistance to some anticancer therapies. Through bioinformatics and genome‐wide CRISPR screens, we here reveal that FBXW7 deficiency leads to multidrug resistance (MDR). Proteomic analyses found an upregulation of mitochondrial factors as a hallmark of FBXW7 deficiency, which has been previously linked to chemotherapy resistance. Despite this increased expression of mitochondrial factors, functional analyses revealed that mitochondria are under stress, and genetic or chemical targeting of mitochondria is preferentially toxic for FBXW7‐deficient cells. Mechanistically, the toxicity of therapies targeting mitochondrial translation such as the antibiotic tigecycline relates to the activation of the integrated stress response (ISR) in a GCN2 kinase‐dependent manner. Furthermore, the discovery of additional drugs that are toxic for FBXW7‐deficient cells showed that all of them unexpectedly activate a GCN2‐dependent ISR regardless of their accepted mechanism of action. Our study reveals that while one of the most frequent mutations in cancer reduces the sensitivity to the vast majority of available therapies, it renders cells vulnerable to ISR‐activating drugs.
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Affiliation(s)
- Laura Sanchez-Burgos
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Belén Navarro-González
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | | | - Oleksandra Sirozh
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Jorge Mota-Pino
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Elena Fueyo-Marcos
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Héctor Tejero
- Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Marta Elena Antón
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Matilde Murga
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Fátima Al-Shahrour
- Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Oscar Fernandez-Capetillo
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain.,Science for Life Laboratory, Division of Genome Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
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26
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Xing L, Xu L, Zhang Y, Che Y, Wang M, Shao Y, Qiu D, Yu H, Zhao F, Zhang J. Recent Insight on Regulations of FBXW7 and Its Role in Immunotherapy. Front Oncol 2022; 12:925041. [PMID: 35814468 PMCID: PMC9263569 DOI: 10.3389/fonc.2022.925041] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/24/2022] [Indexed: 11/28/2022] Open
Abstract
SCFFBXW7 E3 ubiquitin ligase complex is a crucial enzyme of the ubiquitin proteasome system that participates in variant activities of cell process, and its component FBXW7 (F-box and WD repeat domain–containing 7) is responsible for recognizing and binding to substrates. The expression of FBXW7 is controlled by multiple pathways at different levels. FBXW7 facilitates the maturity and function maintenance of immune cells via functioning as a mediator of ubiquitination-dependent degradation of substrate proteins. FBXW7 deficiency or mutation results in the growth disturbance and dysfunction of immune cell, leads to the resistance against immunotherapy, and participates in multiple illnesses. It is likely that FBXW7 coordinating with its regulators and substrates could offer potential targets to improve the sensitivity and effects of immunotherapy. Here, we review the mechanisms of the regulation on FBXW7 and its tumor suppression role in immune filed among various diseases (mostly cancers) to explore novel immune targets and treatments.
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Affiliation(s)
- Liangliang Xing
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Leidi Xu
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yong Zhang
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yinggang Che
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Min Wang
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yongxiang Shao
- Department of Anus and Intestine Surgery, The 942th Hospital of Joint Logistics Support Force, Yinchuan, China
| | - Dan Qiu
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Honglian Yu
- Department of Hemato-Oncology, The 942th Hospital of Joint Logistics Support Force, Yinchuan, China
| | - Feng Zhao
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
- *Correspondence: Jian Zhang, ; Feng Zhao,
| | - Jian Zhang
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
- *Correspondence: Jian Zhang, ; Feng Zhao,
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27
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Yue Z, Sun J, Shi L. Construction and Validation of a 6-Ferroptosis Related Gene Signature for Prognosis and Immune Landscape Prediction in Melanoma. Front Genet 2022; 13:887542. [PMID: 35692844 PMCID: PMC9174666 DOI: 10.3389/fgene.2022.887542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/03/2022] [Indexed: 12/27/2022] Open
Abstract
Ferroptosis is a newly discovered form of non-apoptotic cell death that relies on iron-mediated oxidative damage, playing a crucial role in the progression and therapy resistance of melanoma. Hence, the potential value of ferroptosis-related genes (FRGs) as a prognostic model and therapeutic target in melanoma requires further investigation. In this study, the relationship between FRGs and melanoma was revealed by analyzing the mRNA expression profiles from The Cancer Genome Atlas (TCGA) and Gene Expression Synthesis (GEO). A 6-FRGs signature was constructed by Univariate, multivariate, and lasso Cox regression analyses in the TCGA cohort. The GEO database was used to validate the efficacy of the signature. The protein and mRNA expression level of the signature genes were examined in real-world melanoma tissues via immunohistochemical and quantificational real-time polymerase chain reaction (qRT-PCR). Functional enrichment analysis and immune-related analysis were conducted to identify the potential biological functions and pathways of the signature. Ten putative small molecule drugs were predicted by Connectivity Map (CMAP). As a result, a 6-FRGs signature was constructed to stratify melanoma patients into two risk groups. Compared with the low-risk group, patients in the high-risk group had a worse prognosis and a lower ImmuneScore. Immune-related pathways were enriched in the low-risk group. Immune Function and immune cell infiltration of the low-risk group were significantly higher than that of the high-risk group. The differential expression of these six FRGs in melanoma and adjacent normal tissues was confirmed. Moreover, higher expression of immune checkpoint molecules and a greater sensitivity to immunotherapy were observed in the low-risk group. Some small molecular drugs in the CMAP database hold the potential to treat melanoma. Overall, we identified a novel FRGs signature for prognostic prediction in melanoma. Based on the signature-related immune infiltration landscape found in our study, targeting the FRGs might be a therapeutic alternative for melanoma.
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Affiliation(s)
| | | | - Liqing Shi
- *Correspondence: Jianfang Sun, ; Liqing Shi,
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28
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Vergani E, Busico A, Dugo M, Devecchi A, Valeri B, Cossa M, Di Guardo L, De Cecco L, Feltrin E, Valle G, Deho P, Frigerio S, Lalli L, Gallino G, Del Vecchio M, Santinami M, Pruneri G, Tamborini E, Rivoltini L, Sensi M, Vallacchi V, Rodolfo M. Genetic layout of melanoma lesions associates to BRAF/MEK-targeted therapy resistance and to transcriptional profiles. J Invest Dermatol 2022; 142:3030-3040.e5. [DOI: 10.1016/j.jid.2022.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 04/16/2022] [Accepted: 04/19/2022] [Indexed: 12/17/2022]
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29
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Rong H, Cai T, Peng Y, Wang X, Lan T, Ou Z, Qiu L, Li Q, Zhang L, Wu F, Lin H, Ren S, Li Z, Fan S, Li J. Correlation Between TCF7 + T Cells and Prognosis of Patients With Oral Squamous Cell Carcinoma. Front Oncol 2022; 12:782058. [PMID: 35345446 PMCID: PMC8957207 DOI: 10.3389/fonc.2022.782058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
Objective To investigate whether TCF7+ T cells constitute an important factor to improve the existing postoperative prediction model for patients with oral squamous cell carcinoma. Method TCF7+ T cells were detected in the tissues of 167 OSCC patients by multiplex immunofluorescence. The percentage of TCF7+ T cells was transformed into a dichotomous variable, combined with the clinicopathological data for the OSCC patients, and then subjected to univariate and multivariate analyses. The derived independent predictors were then incorporated into risk models to analyze their relationship with the prognosis of patients. Results The high TCF7+ group had a better prognosis than the low TCF7+ group (OS: p<0.001; RFS: p<0.001). Univariate and multivariate analyses showed that TCF7+ T cells serve as an independent predictor of OSCC (univariate/multivariate analysis: p<0.001). In Cox risk progression models, inclusion of the TCF7+ T cell percentage improved the predictive accuracy of Grade and TNM stage (Grade-OS/RFS: p<0.001; TNM-OS/RFS: p<0.001; TNM+Grade-OS: p<0.001, TNM+Grade-RFS: p=0.004). Inclusion of the TCF7+ T cell percentage improved the clinical utility. Conclusions TCF7+ T cells can act as an independent predictor for postoperative OSCC patients. The inclusion of TCF7+ T cells improved the predictive accuracy and clinical utility of the nomograms to different degrees.
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Affiliation(s)
- Haixu Rong
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China.,Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Tingting Cai
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China.,Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yu Peng
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China.,The Stomatology Department of The First Affiliated Hospital, Medical College of Shantou University, Shantou, China
| | - Xiaojuan Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China
| | - Tianjun Lan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China
| | - Zhanpeng Ou
- Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ling Qiu
- Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Qunxing Li
- Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lizao Zhang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China.,Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Fan Wu
- Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hsinyu Lin
- Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Siqi Ren
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China
| | - Zitian Li
- School of Stomatology, Jilin University, Changchun, China
| | - Song Fan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China.,Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jinsong Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation of Sun Yat-sen Memorial Hospital, Guangzhou, China.,Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
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30
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Fan J, Bellon M, Ju M, Zhao L, Wei M, Fu L, Nicot C. Clinical significance of FBXW7 loss of function in human cancers. Mol Cancer 2022; 21:87. [PMID: 35346215 PMCID: PMC8962602 DOI: 10.1186/s12943-022-01548-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/22/2022] [Indexed: 12/13/2022] Open
Abstract
FBXW7 (F-Box and WD Repeat Domain Containing 7) (also referred to as FBW7 or hCDC4) is a component of the Skp1-Cdc53 / Cullin-F-box-protein complex (SCF/β-TrCP). As a member of the F-box protein family, FBXW7 serves a role in phosphorylation-dependent ubiquitination and proteasome degradation of oncoproteins that play critical role(s) in oncogenesis. FBXW7 affects many regulatory functions involved in cell survival, cell proliferation, tumor invasion, DNA damage repair, genomic instability and telomere biology. This thorough review of current literature details how FBXW7 expression and functions are regulated through multiple mechanisms and how that ultimately drives tumorigenesis in a wide array of cell types. The clinical significance of FBXW7 is highlighted by the fact that FBXW7 is frequently inactivated in human lung, colon, and hematopoietic cancers. The loss of FBXW7 can serve as an independent prognostic marker and is significantly correlated with the resistance of tumor cells to chemotherapeutic agents and poorer disease outcomes. Recent evidence shows that genetic mutation of FBXW7 differentially affects the degradation of specific cellular targets resulting in a distinct and specific pattern of activation/inactivation of cell signaling pathways. The clinical significance of FBXW7 mutations in the context of tumor development, progression, and resistance to therapies as well as opportunities for targeted therapies is discussed.
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Affiliation(s)
- Jingyi Fan
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong Province, China.,Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Marcia Bellon
- Department of Pathology and Laboratory Medicine, Center for Viral Pathogenesis, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Mingyi Ju
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Lin Zhao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Minjie Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Liwu Fu
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong Province, China.
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, Center for Viral Pathogenesis, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
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31
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Shen JZ, Qiu Z, Wu Q, Zhang G, Harris R, Sun D, Rantala J, Barshop WD, Zhao L, Lv D, Won KA, Wohlschlegel J, Sangfelt O, Laman H, Rich JN, Spruck C. A FBXO7/EYA2-SCF FBXW7 axis promotes AXL-mediated maintenance of mesenchymal and immune evasion phenotypes of cancer cells. Mol Cell 2022; 82:1123-1139.e8. [PMID: 35182481 PMCID: PMC8934274 DOI: 10.1016/j.molcel.2022.01.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/25/2021] [Accepted: 01/25/2022] [Indexed: 12/14/2022]
Abstract
A mesenchymal tumor phenotype associates with immunotherapy resistance, although the mechanism is unclear. Here, we identified FBXO7 as a maintenance regulator of mesenchymal and immune evasion phenotypes of cancer cells. FBXO7 bound and stabilized SIX1 co-transcriptional regulator EYA2, stimulating mesenchymal gene expression and suppressing IFNα/β, chemokines CXCL9/10, and antigen presentation machinery, driven by AXL extracellular ligand GAS6. Ubiquitin ligase SCFFBXW7 antagonized this pathway by promoting EYA2 degradation. Targeting EYA2 Tyr phosphatase activity decreased mesenchymal phenotypes and enhanced cancer cell immunogenicity, resulting in attenuated tumor growth and metastasis, increased infiltration of cytotoxic T and NK cells, and enhanced anti-PD-1 therapy response in mouse tumor models. FBXO7 expression correlated with mesenchymal and immune-suppressive signatures in patients with cancer. An FBXO7-immune gene signature predicted immunotherapy responses. Collectively, the FBXO7/EYA2-SCFFBXW7 axis maintains mesenchymal and immune evasion phenotypes of cancer cells, providing rationale to evaluate FBXO7/EYA2 inhibitors in combination with immune-based therapies to enhance onco-immunotherapy responses.
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Affiliation(s)
- Jia Z Shen
- Tumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Zhixin Qiu
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA 15213, USA
| | - Qiulian Wu
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA 15213, USA
| | - Guoxin Zhang
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, CA 92037, USA
| | - Rebecca Harris
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Dahui Sun
- Tumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | | | - William D Barshop
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Linjie Zhao
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA 15213, USA
| | - Deguan Lv
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA 15213, USA
| | | | - James Wohlschlegel
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Olle Sangfelt
- Department of Cell and Molecular Biology, Karolinska Institute, Stockholm 171 77, Sweden
| | - Heike Laman
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Jeremy N Rich
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA 15213, USA; Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, CA 92037, USA; Department of Neurology, University of Pittsburgh, Pittsburgh, PA 15213, USA.
| | - Charles Spruck
- Tumor Initiation and Maintenance Program, NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.
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32
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Xu L, Zhu S, Lan Y, Yan M, Jiang Z, Zhu J, Liao G, Ping Y, Xu J, Pang B, Zhang Y, Xiao Y, Li X. Revealing the contribution of somatic gene mutations to shaping tumor immune microenvironment. Brief Bioinform 2022; 23:6539997. [PMID: 35229870 DOI: 10.1093/bib/bbac064] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/14/2022] [Accepted: 02/08/2022] [Indexed: 11/12/2022] Open
Abstract
Interaction between tumor cells and immune cells determined highly heterogeneous microenvironments across patients, leading to substantial variation in clinical benefits from immunotherapy. Somatic gene mutations were found not only to elicit adaptive immunity but also to influence the composition of tumor immune microenvironment and various processes of antitumor immunity. However, due to an incomplete view of associations between gene mutations and immunophenotypes, how tumor cells shape the immune microenvironment and further determine the clinical benefit of immunotherapy is still unclear. To address this, we proposed a computational approach, inference of mutation effect on immunophenotype by integrated gene set enrichment analysis (MEIGSEA), for tracing back the genomic factor responsible for differences in immunophenotypes. MEIGSEA was demonstrated to accurately identify the previous confirmed immune-associated gene mutations, and systematic evaluation in simulation data further supported its performance. We used MEIGSEA to investigate the influence of driver gene mutations on the infiltration of 22 immune cell types across 19 cancers from The Cancer Genome Atlas. The top associated gene mutations with infiltration of CD8 T cells, such as CASP8, KRAS and EGFR, also showed extensive impact on other immune components; meanwhile, immune effector cells shared critical gene mutations that collaboratively contribute to shaping distinct tumor immune microenvironment. Furthermore, we highlighted the predictive capacity of gene mutations that are positively associated with CD8 T cells for the clinical benefit of immunotherapy. Taken together, we present a computational framework to help illustrate the potential of somatic gene mutations in shaping the tumor immune microenvironment.
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Affiliation(s)
- Liwen Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Shiwei Zhu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Yujia Lan
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Min Yan
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Zedong Jiang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Jiali Zhu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Gaoming Liao
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Yanyan Ping
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Jinyuan Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Bo Pang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Yunpeng Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China.,Key Laboratory of High Throughput Omics Big Data for Cold Region's Major Diseases in Heilongjiang Province, Harbin, Heilongjiang 150081, China
| | - Yun Xiao
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China.,Key Laboratory of High Throughput Omics Big Data for Cold Region's Major Diseases in Heilongjiang Province, Harbin, Heilongjiang 150081, China
| | - Xia Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang 150081, China.,Key Laboratory of High Throughput Omics Big Data for Cold Region's Major Diseases in Heilongjiang Province, Harbin, Heilongjiang 150081, China
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33
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van der Mijn JC, Eng KW, Chandra P, Fernandez E, Ramazanoglu S, Sigaras A, Oromendia C, Gudas LJ, Tagawa ST, Nanus DM, Faltas BF, Beltran H, Sternberg CN, Elemento O, Sboner A, Mosquera JM, Molina AM. The genomic landscape of metastatic clear cell renal cell carcinoma after systemic therapy. Mol Oncol 2022; 16:2384-2395. [PMID: 35231161 PMCID: PMC9208073 DOI: 10.1002/1878-0261.13204] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 02/03/2022] [Accepted: 02/28/2022] [Indexed: 11/24/2022] Open
Abstract
Primary clear cell renal cell carcinoma (ccRCC) has been previously characterized, but the genomic landscape of metastatic ccRCC is largely unexplored. Here, we performed whole exome sequencing (WES) in 68 samples from 44 patients with ccRCC, including 52 samples from a metastatic site. SETD2, PBRM1, APC and VHL were the most frequently mutated genes in the metastatic ccRCC cohort. RBM10 and FBXW7 were also among the 10 most frequently mutated genes in metastatic tissues. Recurrent somatic copy number variations (CNV) were observed at the previously identified regions 3p25, 9p21 and 14q25, but also at 6p21 (CDKN1A) and 13q14 (RB1). No statistically significant differences were found between samples from therapy‐naïve and pretreated patients. Clonal evolution analyses with multiple samples from 13 patients suggested that early appearance of CNVs at 3p25, 9p21 and 14q25 may be associated with rapid clinical progression. Overall, the genomic landscapes of primary and metastatic ccRCC seem to share frequent CNVs at 3p25, 9p21 and 14q25. Future work will clarify the implication of RBM10 and FBXW7 mutations and 6p21 and 13q14 CNVs in metastatic ccRCC.
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Affiliation(s)
- Johannes C van der Mijn
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA.,Department of Medical Oncology, The Netherlands Cancer Institute (NKI), Amsterdam, the Netherlands.,Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Kenneth W Eng
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York
| | - Pooja Chandra
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York
| | - Evan Fernandez
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York
| | - Sinan Ramazanoglu
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York
| | - Alexandros Sigaras
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York
| | - Clara Oromendia
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA
| | - Lorraine J Gudas
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA
| | - Scott T Tagawa
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - David M Nanus
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Bishoy F Faltas
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Himisha Beltran
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Cora N Sternberg
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Olivier Elemento
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York
| | - Andrea Sboner
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York
| | - Juan Miguel Mosquera
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ana M Molina
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.,Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
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34
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Thirmanne HN, Wu F, Janssens DH, Swanger J, Diab A, Feldman H, Amezquita RA, Gottardo R, Paddison PJ, Henikoff S, Clurman BE. Global and context-specific transcriptional consequences of oncogenic Fbw7 mutations. eLife 2022; 11:74338. [PMID: 35225231 PMCID: PMC8926403 DOI: 10.7554/elife.74338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 02/16/2022] [Indexed: 11/30/2022] Open
Abstract
The Fbw7 ubiquitin ligase targets many proteins for proteasomal degradation, which include oncogenic transcription factors (TFs) (e.g., c-Myc, c-Jun, and Notch). Fbw7 is a tumor suppressor and tumors often contain mutations in FBXW7, the gene that encodes Fbw7. The complexity of its substrate network has obscured the mechanisms of Fbw7-associated tumorigenesis, yet this understanding is needed for developing therapies. We used an integrated approach employing RNA-Seq and high-resolution mapping (cleavage under target and release using nuclease) of histone modifications and TF occupancy (c-Jun and c-Myc) to examine the combinatorial effects of misregulated Fbw7 substrates in colorectal cancer (CRC) cells with engineered tumor-associated FBXW7 null or missense mutations. Both Fbw7 mutations caused widespread transcriptional changes associated with active chromatin and altered TF occupancy: some were common to both Fbw7 mutant cell lines, whereas others were mutation specific. We identified loci where both Jun and Myc were coregulated by Fbw7, suggesting that substrates may have synergistic effects. One coregulated gene was CIITA, the master regulator of MHC Class II gene expression. Fbw7 loss increased MHC Class II expression and Fbw7 mutations were correlated with increased CIITA expression in TCGA colorectal tumors and cell lines, which may have immunotherapeutic implications for Fbw7-associated cancers. Analogous studies in neural stem cells in which FBXW7 had been acutely deleted closely mirrored the results in CRC cells. Gene set enrichment analyses revealed Fbw7-associated pathways that were conserved across both cell types that may reflect fundamental Fbw7 functions. These analyses provide a framework for understanding normal and neoplastic context-specific Fbw7 functions.
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Affiliation(s)
| | - Feinan Wu
- Genomics and Bioinformatics Resource, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Derek H Janssens
- Basic Science Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Jherek Swanger
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Ahmed Diab
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Heather Feldman
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Robert A Amezquita
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Raphael Gottardo
- Vaccine and Infectious Disease Division, University of Washington, Seattle, United States
| | - Patrick J Paddison
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Steven Henikoff
- Basic Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, United States
| | - Bruce E Clurman
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, United States
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35
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Transcriptome Analysis of Large to Giant Congenital Melanocytic Nevus Reveals Cell Cycle Arrest and Immune Evasion: Identifying Potential Targets for Treatment. J Immunol Res 2021; 2021:8512200. [PMID: 34912899 PMCID: PMC8668353 DOI: 10.1155/2021/8512200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/12/2021] [Indexed: 11/17/2022] Open
Abstract
Large to giant congenital melanocytic nevus (lgCMN) is a benign cutaneous tumor that develops during embryogenesis. A large number of lgCMN patients are ineligible for surgical treatment; hence, there is an urgent need to develop pharmacological treatments. Clinically, tumorigenesis and progression essentially halt after birth, resulting in the homeostasis of growth arrest and survival. Numerous studies have employed whole-genome or whole-exome sequencing to clarify the etiology of lgCMN; however, transcriptome sequencing of lgCMN is still lacking. Through comprehensive transcriptome analysis, this study elucidated the ongoing regulation and homeostasis of lgCMN and identified potential targets for treatment. Transcriptome sequencing, identification of differentially expressed genes and hub genes, protein–protein network construction, functional enrichment, pathway analysis, and gene annotations were performed in this study. Immunohistochemistry, real-time quantitative PCR, immunocytofluorescence, and cell cycle assays were employed for further validation. The results revealed several intriguing phenomena in lgCMN, including P16-induced cell cycle arrest, antiapoptotic activity, and immune evasion caused by malfunction of tumor antigen processing. The arrested cell cycle in lgCMN is consistent with its phenotype and rare malignant transformation. Antiapoptotic activity and immune evasion might explain how such heterogeneous cells have avoided elimination. Major histocompatibility complex (MHC) class I-mediated tumor antigen processing was the hub pathway that was significantly downregulated in lgCMN, and ITCH, FBXW7, HECW2, and WWP1 were identified as candidate hub genes. In conclusion, our research provides new perspectives for immunotherapy and targeted therapy.
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36
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Kelly AD, Murugesan K, Kuang Z, Montesion M, Ross JS, Albacker LA, Huang RSP, Lin DI, Demirci U, Creeden J. Pan-cancer landscape of CD274 (PD-L1) rearrangements in 283,050 patient samples, its correlation with PD-L1 protein expression, and immunotherapy response. J Immunother Cancer 2021; 9:jitc-2021-003550. [PMID: 34815356 PMCID: PMC8611421 DOI: 10.1136/jitc-2021-003550] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Immune checkpoint inhibitors (ICIs) benefit patients with multiple cancer types, however, additional predictive biomarkers of response are needed. CD274 (programmed cell death ligand-1, PD-L1) gene rearrangements are positively associated with PD-L1 expression and may confer benefit to ICI, thus a pan-cancer characterization of these alterations is needed. METHODS We analyzed 283,050 patient samples across multiple tumor types that underwent comprehensive genomic profiling for activating CD274 rearrangements and other alterations. The DAKO 22C3 Tumor Proportion Scoring (TPS) method was used for PD-L1 immunohistochemistry (IHC) testing in a small subset with available data (n=55,423). A retrospective deidentified real-world clinico-genomic database (CGDB) was examined for ICI treatment outcomes. We also report a detailed case of CD274-rearranged metastatic rectal adenocarcinoma. RESULTS We identified 145 samples with functional rearrangements in CD274. There were significant enrichments for PIK3CA, JAK2, PDCD1LG2, CREBBP, and PBRM1 co-mutations (ORs=2.1, 16.7, 17.8, 3.6, and 3.4, respectively, p<0.01). Genomic human papillomavirus (HPV)-16, Epstein-Barr virus, and mismatch repair genes also co-occurred (OR=6.2, 8.4, and 4.3, respectively, p<0.05). Median tumor mutational burden (TMB) was higher compared with CD274 wild-type samples (7.0 vs 3.5 mutations/Mb, p=1.7e-11), with disease-specific TMB enrichment in non-small cell lung, colorectal, unknown primary, and stomach cancers. PD-L1 IHC skewed toward positivity (N=39/43 samples with ≥1% positivity). Of eight patients from the CGDB, three remained on ICI treatment after 6 months. Separately, one patient with metastatic rectal adenocarcinoma experienced a pathologic complete response on chemoimmunotherapy. CONCLUSIONS CD274 gene rearrangements are associated with increased PD-L1 IHC scores, higher TMB, and potential clinical benefit in ICI-treated patients with cancer.
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Affiliation(s)
- Andrew D Kelly
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
| | - Karthikeyan Murugesan
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
| | - Zheng Kuang
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
| | - Meagan Montesion
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
| | - Jeffrey S Ross
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA.,Department of Pathology and Urology, State University of New York Upstate Medical University, Syracuse, New York, USA
| | - Lee A Albacker
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
| | - Richard S P Huang
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA.,Foundation Medicine Inc, Morrisville, North Carolina, USA
| | - Douglas I Lin
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
| | - Umut Demirci
- Department of Medical Oncology, Memorial Ankara Hospital, Ankara, Turkey
| | - James Creeden
- Department of Medical Oncology, Foundation Medicine Inc, Cambridge, Massachusetts, USA
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37
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Chen R, Ishak CA, De Carvalho DD. Endogenous Retroelements and the Viral Mimicry Response in Cancer Therapy and Cellular Homeostasis. Cancer Discov 2021; 11:2707-2725. [PMID: 34649957 DOI: 10.1158/2159-8290.cd-21-0506] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/14/2021] [Accepted: 07/08/2021] [Indexed: 11/16/2022]
Abstract
Features of the cancer epigenome distinguish cancers from their respective cell of origin and establish therapeutic vulnerabilities that can be exploited through pharmacologic inhibition of DNA- or histone-modifying enzymes. Epigenetic therapies converge with cancer immunotherapies through "viral mimicry," a cellular state of active antiviral response triggered by endogenous nucleic acids often derived from aberrantly transcribed endogenous retrotransposons. This review describes the initial characterization and expansion of viral mimicry-inducing approaches as well as features that "prime" cancers for viral mimicry induction. Increased understanding of viral mimicry in therapeutic contexts suggests potential physiologic roles in cellular homeostasis. SIGNIFICANCE: Recent literature establishes elevated cytosolic double strand RNA (dsRNA) levels as a cancer-specific therapeutic vulnerability that can be elevated by viral mimicry-inducing therapies beyond tolerable thresholds to induce antiviral signaling and increase dependence on dsRNA stress responses mediated by ADAR1. Improved understanding of viral mimicry signaling and tolerance mechanisms reveals synergistic treatment combinations with epigenetic therapies that include inhibition of BCL2, ADAR1, and immune checkpoint blockade. Further characterization of viral mimicry tolerance may identify contexts that maximize efficacy of conventional cancer therapies.
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Affiliation(s)
- Raymond Chen
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada.,Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Charles A Ishak
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Daniel D De Carvalho
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada. .,Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
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Zhao R, Li B, Zhang S, He Z, Pan Z, Guo Q, Qiu W, Qi Y, Zhao S, Wang S, Chen Z, Zhang P, Guo X, Xue H, Li G. The N 6-Methyladenosine-Modified Pseudogene HSPA7 Correlates With the Tumor Microenvironment and Predicts the Response to Immune Checkpoint Therapy in Glioblastoma. Front Immunol 2021; 12:653711. [PMID: 34354698 PMCID: PMC8329659 DOI: 10.3389/fimmu.2021.653711] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 07/05/2021] [Indexed: 01/10/2023] Open
Abstract
Background Glioblastoma (GBM), one of the most aggressive tumors of the brain, has no effective or sufficient therapies. Identifying robust biomarkers for the response to immune checkpoint blockade (ICB) therapy, a promising treatment option for GBM patients, is urgently needed. Methods We comprehensively evaluated lncRNA m6A modification patterns in m6A-sequencing (m6A-seq) data for GBM tissues and systematically investigated the immune and stromal regulators of these m6A-regulated lncRNAs. We used the single-sample gene-set enrichment analysis (ssGSEA) algorithm to investigate the difference in enriched tumor microenvironment (TME) infiltrating cells and the functional annotation of HSPA7 in individual GBM samples. Further, we validated that HSPA7 promoted the recruitment of macrophages into GBM TME in vitro, as well as in our GBM tissue section. We also explored its impact on the efficacy of ICB therapy using the patient-derived glioblastoma organoid (GBO) model. Results Here, we depicted the first transcriptome-wide m6A methylation profile of lncRNAs in GBM, revealing highly distinct lncRNA m6A modification patterns compared to those in normal brain tissues. We identified the m6A-modified pseudogene HSPA7 as a novel prognostic risk factor in GBM patients, with crucial roles in immunophenotype determination, stromal activation, and carcinogenic pathway activation. We confirmed that HSPA7 promoted macrophage infiltration and SPP1 expression via upregulating the YAP1 and LOX expression of glioblastoma stem cells (GSCs) in vitro and in our clinical GBM tumor samples. We also confirmed that knockdown of HSPA7 might increase the efficiency of anti-PD1 therapy utilizing the GBO model, highlighting its potential as a novel target for immunotherapy. Conclusions Our results indicated that HSPA7 could be a novel immunotherapy target for GBM patients.
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Affiliation(s)
- Rongrong Zhao
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Boyan Li
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Shouji Zhang
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Zheng He
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China.,Department of Neurosurgery, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Ziwen Pan
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Qindong Guo
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Wei Qiu
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Yanhua Qi
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Shulin Zhao
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Shaobo Wang
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Zihang Chen
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Ping Zhang
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Xing Guo
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Hao Xue
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
| | - Gang Li
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, China.,Shandong Key Laboratory of Brain Function Remodeling, Qilu Hospital of Shandong University, Jinan, China
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Wu Y, Chang N, Zhang Y, Zhang X, Xu L, Che Y, Qiao T, Wu B, Zhou Y, Jiang J, Xiong J, Zhang J, Zhang J. METTL3-mediated m 6A mRNA modification of FBXW7 suppresses lung adenocarcinoma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:90. [PMID: 33676554 PMCID: PMC7936500 DOI: 10.1186/s13046-021-01880-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 02/15/2021] [Indexed: 12/24/2022]
Abstract
Background FBXW7 m6A modification plays an important role in lung adenocarcinoma (LUAD) progression; however, the underlying mechanisms remain unclear. Methods The correlation between FBXW7 and various genes related to m6A modification was analyzed using The Cancer Genome Atlas database. The regulatory effects of METTL3 on FBXW7 mRNA m6A modification were examined in a cell model, and the underlying mechanism was determined by methylated RNA immunoprecipitation, RNA immunoprecipitation, luciferase reporter, and mutagenesis assays. In vitro experiments were performed to further explore the biological effects of METTL3-mediated FBXW7 m6A modification on LUAD development. Results Decreased FBXW7 expression was accompanied by downregulated METTL3 expression in human LUAD tissues and was associated with a worse prognosis for LUAD in The Cancer Genome Atlas database. m6A was highly enriched in METTL3-mediated FBXW7 transcripts, and increased m6A modification in the coding sequence region increased its translation. Functionally, METTL3 overexpression or knockdown affected the apoptosis and proliferation phenotype of LUAD cells by regulating FBXW7 m6A modification and expression. Furthermore, FBXW7 overexpression in METTL3-depleted cells partially restored LUAD cell suppression in vitro and in vivo. Conclusions Our findings reveal that METTL3 positively regulates FBXW7 expression and confirm the tumor-suppressive role of m6A-modified FBXW7, thus providing insight into its epigenetic regulatory mechanisms in LUAD initiation and development. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-01880-3.
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Affiliation(s)
- Yingtong Wu
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China.
| | - Ning Chang
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Chang-Le Xi Street #169, Xi'an, 710032, People's Republic of China
| | - Yong Zhang
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Xinxin Zhang
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Leidi Xu
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Yinggang Che
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Tianyun Qiao
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, 1 Xinsi Road, Baqiao District, Xi'an, Shaanxi, 710038, People's Republic of China
| | - Bin Wu
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Ying Zhou
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Jun Jiang
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Jie Xiong
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China
| | - Jian Zhang
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Chang-Le Xi Street #169, Xi'an, 710032, People's Republic of China.
| | - Jian Zhang
- Department of Respiratory Diseases, Xijing Hospital, Fourth Military Medical University, Chang-Le Xi Street #127, Xi'an, 710032, People's Republic of China.
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40
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Liu J, Cheng Y, Zheng M, Yuan B, Wang Z, Li X, Yin J, Ye M, Song Y. Targeting the ubiquitination/deubiquitination process to regulate immune checkpoint pathways. Signal Transduct Target Ther 2021; 6:28. [PMID: 33479196 PMCID: PMC7819986 DOI: 10.1038/s41392-020-00418-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/13/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022] Open
Abstract
The immune system initiates robust immune responses to defend against invading pathogens or tumor cells and protect the body from damage, thus acting as a fortress of the body. However, excessive responses cause detrimental effects, such as inflammation and autoimmune diseases. To balance the immune responses and maintain immune homeostasis, there are immune checkpoints to terminate overwhelmed immune responses. Pathogens and tumor cells can also exploit immune checkpoint pathways to suppress immune responses, thus escaping immune surveillance. As a consequence, therapeutic antibodies that target immune checkpoints have made great breakthroughs, in particular for cancer treatment. While the overall efficacy of immune checkpoint blockade (ICB) is unsatisfactory since only a small group of patients benefited from ICB treatment. Hence, there is a strong need to search for other targets that improve the efficacy of ICB. Ubiquitination is a highly conserved process which participates in numerous biological activities, including innate and adaptive immunity. A growing body of evidence emphasizes the importance of ubiquitination and its reverse process, deubiquitination, on the regulation of immune responses, providing the rational of simultaneous targeting of immune checkpoints and ubiquitination/deubiquitination pathways to enhance the therapeutic efficacy. Our review will summarize the latest findings of ubiquitination/deubiquitination pathways for anti-tumor immunity, and discuss therapeutic significance of targeting ubiquitination/deubiquitination pathways in the future of immunotherapy.
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Affiliation(s)
- Jiaxin Liu
- Department of Respiratory and Critical Care Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, 210002, Nanjing, Jiangsu, China
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing University School of Medicine, 210002, Nanjing, China
| | - Yicheng Cheng
- Department of Stomatology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Ming Zheng
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing Medical University, 210002, Nanjing, Jiangsu, China
| | - Bingxiao Yuan
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing Medical University, 210002, Nanjing, Jiangsu, China
| | - Zimu Wang
- Department of Respiratory and Critical Care Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, 210002, Nanjing, Jiangsu, China
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing University School of Medicine, 210002, Nanjing, China
| | - Xinying Li
- Department of Respiratory and Critical Care Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, 210002, Nanjing, Jiangsu, China
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing University School of Medicine, 210002, Nanjing, China
| | - Jie Yin
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing University School of Medicine, 210002, Nanjing, China.
| | - Mingxiang Ye
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing University School of Medicine, 210002, Nanjing, China.
| | - Yong Song
- Department of Respiratory and Critical Care Medicine, Jinling Hospital, Nanjing University School of Medicine, 210002, Nanjing, China.
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Zhou X, Sun SC. Targeting ubiquitin signaling for cancer immunotherapy. Signal Transduct Target Ther 2021; 6:16. [PMID: 33436547 PMCID: PMC7804490 DOI: 10.1038/s41392-020-00421-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/29/2020] [Accepted: 10/30/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer immunotherapy has become an attractive approach of cancer treatment with tremendous success in treating various advanced malignancies. The development and clinical application of immune checkpoint inhibitors represent one of the most extraordinary accomplishments in cancer immunotherapy. In addition, considerable progress is being made in understanding the mechanism of antitumor immunity and characterizing novel targets for developing additional therapeutic approaches. One active area of investigation is protein ubiquitination, a post-translational mechanism of protein modification that regulates the function of diverse immune cells in antitumor immunity. Accumulating studies suggest that E3 ubiquitin ligases and deubiquitinases form a family of potential targets to be exploited for enhancing antitumor immunity in cancer immunotherapy.
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Affiliation(s)
- Xiaofei Zhou
- Department of Immunology, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Box 902, Houston, TX, 77030, USA
| | - Shao-Cong Sun
- Department of Immunology, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Box 902, Houston, TX, 77030, USA.
- The University of Texas Graduate School of Biomedical Sciences, Houston, TX, 77030, USA.
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42
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Sheehan K, Schalper KA. Tumor Microenvironment: Immune Effector and Suppressor Imbalance. Lung Cancer 2021. [DOI: 10.1007/978-3-030-74028-3_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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43
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Huang Q, Lei Y, Li X, Guo F, Liu M. A Highlight of the Mechanisms of Immune Checkpoint Blocker Resistance. Front Cell Dev Biol 2020; 8:580140. [PMID: 33344447 PMCID: PMC7746821 DOI: 10.3389/fcell.2020.580140] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 10/28/2020] [Indexed: 02/05/2023] Open
Abstract
In recent years, as our understanding of tumor immunology is continuously improved, immunotherapy has come to the center stage of cancer therapy and is deemed as the most promising approach for cancer control. Although immunotherapy, particularly immune checkpoint blockade (ICB), has achieved a milestone in several types of tumors, the majority of cancer patients do not benefit from immunotherapy. The dismal outcome of cancer immunotherapy is mainly due to primary or acquired resistance arising from tumor immune evasion. Exploring the mechanisms of tumor immune evasion in the course of immunotherapy may identify biological targets to conquer tumor resistance to immunotherapy. In this review, we highlight tumor cell-intrinsic and -extrinsic factors that may underlie tumor resistance to immune checkpoint blockers. Targeting these factors in combination with immune checkpoint blockers points to the future direction of cancer immunotherapy.
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Affiliation(s)
- Qian Huang
- Laboratory of Signal Transduction and Molecular Targeted Therapy, Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu, China
| | - Yanna Lei
- Laboratory of Signal Transduction and Molecular Targeted Therapy, Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoying Li
- Laboratory of Signal Transduction and Molecular Targeted Therapy, Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu, China
| | - Fukun Guo
- Division of Experimental Hematology and Cancer Biology, Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Ming Liu
- Laboratory of Signal Transduction and Molecular Targeted Therapy, Department of Medical Oncology, West China Hospital, Sichuan University, Chengdu, China
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Bao R, Stapor D, Luke JJ. Molecular correlates and therapeutic targets in T cell-inflamed versus non-T cell-inflamed tumors across cancer types. Genome Med 2020; 12:90. [PMID: 33106165 PMCID: PMC7590690 DOI: 10.1186/s13073-020-00787-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 10/02/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The T cell-inflamed tumor microenvironment, characterized by CD8 T cells and type I/II interferon transcripts, is an important cancer immunotherapy biomarker. Tumor mutational burden (TMB) may also dictate response, and some oncogenes (i.e., WNT/β-catenin) are known to mediate immunosuppression. METHODS We performed an integrated multi-omic analysis of human cancer including 11,607 tumors across multiple databases and patients treated with anti-PD1. After adjusting for TMB, we correlated the T cell-inflamed gene expression signature with somatic mutations, transcriptional programs, and relevant proteome for different immune phenotypes, by tumor type and across cancers. RESULTS Strong correlations were noted between mutations in oncogenes and tumor suppressor genes and non-T cell-inflamed tumors with examples including IDH1 and GNAQ as well as less well-known genes including KDM6A, CD11c, and genes with unknown functions. Conversely, we observe genes associating with the T cell-inflamed phenotype including VHL and PBRM1. Analyzing gene expression patterns, we identify oncogenic mediators of immune exclusion across cancer types (HIF1A and MYC) as well as novel examples in specific tumors such as sonic hedgehog signaling, hormone signaling and transcription factors. Using network analysis, somatic and transcriptomic events were integrated. In contrast to previous reports of individual tumor types such as melanoma, integrative pan-cancer analysis demonstrates that most non-T cell-inflamed tumors are influenced by multiple signaling pathways and that increasing numbers of co-activated pathways leads to more highly non-T cell-inflamed tumors. Validating these analyses, we observe highly consistent inverse relationships between pathway protein levels and the T cell-inflamed gene expression across cancers. Finally, we integrate available databases for drugs that might overcome or augment the identified mechanisms. CONCLUSIONS These results nominate molecular targets and drugs potentially available for further study and potential immediate translation into clinical trials for patients with cancer.
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Affiliation(s)
- Riyue Bao
- Hillman Cancer Center, UPMC, Pittsburgh, PA, 15232, USA
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15232, USA
| | - Daniel Stapor
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15232, USA
| | - Jason J Luke
- Hillman Cancer Center, UPMC, Pittsburgh, PA, 15232, USA.
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15232, USA.
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