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Yamada Y, Urabe F, Kimura S, Iwatani K, Kimura N, Miki J, Kimura T, Kume H. The prognostic significance of additional localized treatment to primary lesion in patients undergoing hormone therapy for metastatic hormone-sensitive prostate cancer: A systematic review and meta-analysis. PLoS One 2024; 19:e0304963. [PMID: 38857208 PMCID: PMC11164370 DOI: 10.1371/journal.pone.0304963] [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: 12/31/2023] [Accepted: 05/21/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND We aimed to compare the prognostic values of 'localized treatment to the primary lesion (LT) plus hormone therapy (HT)' versus 'HT alone' in metastatic hormone-sensitive prostate cancer (mHSPC). METHODS We conducted a systematic search through the databases of PubMed®, Web of Science®, and Cochrane library® in April 2023 based on the PRISMA (Preferred Reporting Items for Systemic Reviews and Meta-Analyses) statement. A pooled meta-analysis was performed to assess the prognostic differences between LT + HT and HT alone according to randomized and non-randomized controlled studies (RCTs and NRCTs, respectively). RESULTS The search identified three RCTs and eight NRCTs. In RCTs, LT did not show prognostic benefits regarding biochemical-failure free rate nor overall survival (OS), although in patients with low tumor burdens, the LT + HT group showed better OS (HR: 0.68, 95% CI: 0.54-0.86). In the NRCTs, the LT+HT group showed superior progression-free survival (hazard ratio (HR): 0.42, 95% confidence interval (CI): 0.21-0.87), cancer-specific survival (HR: 0.39, 95% CI: 0.20-0.76), and OS (HR: 0.63, 95% CI: 0.57-0.69) to the HT alone group. In addition, better OS was observed in the LT +HT group regardless of the type of treatment modality for LT; radical prostatectomy (HR: 0.52, 95% CI: 0.39-0.69), radiotherapy (HR: 0.63, 95% CI: 0.56-0.71) in NRCTs. CONCLUSIONS LT to the primary lesion in metastatic hormone-sensitive prostate cancer may provide prognostic benefits and especially in patients with low tumor burden.
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Affiliation(s)
- Yuta Yamada
- Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Fumihiko Urabe
- Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
| | - Shoji Kimura
- Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
- Department of Urology, The Jikei University Kashiwa Hospital, Chiba, Japan
| | - Kosuke Iwatani
- Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
- Department of Urology, The Jikei University Kashiwa Hospital, Chiba, Japan
| | - Naoki Kimura
- Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Jun Miki
- Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
- Department of Urology, The Jikei University Kashiwa Hospital, Chiba, Japan
| | - Takahiro Kimura
- Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
| | - Haruki Kume
- Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Jang HJ, Min HY, Kang YP, Boo HJ, Kim J, Ahn JH, Oh SH, Jung JH, Park CS, Park JS, Kim SY, Lee HY. Tobacco-induced hyperglycemia promotes lung cancer progression via cancer cell-macrophage interaction through paracrine IGF2/IR/NPM1-driven PD-L1 expression. Nat Commun 2024; 15:4909. [PMID: 38851766 PMCID: PMC11162468 DOI: 10.1038/s41467-024-49199-9] [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: 07/15/2022] [Accepted: 05/23/2024] [Indexed: 06/10/2024] Open
Abstract
Tobacco smoking (TS) is implicated in lung cancer (LC) progression through the development of metabolic syndrome. However, direct evidence linking metabolic syndrome to TS-mediated LC progression remains to be established. Our findings demonstrate that 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone and benzo[a]pyrene (NNK and BaP; NB), components of tobacco smoke, induce metabolic syndrome characteristics, particularly hyperglycemia, promoting lung cancer progression in male C57BL/6 J mice. NB enhances glucose uptake in tumor-associated macrophages by increasing the expression and surface localization of glucose transporter (GLUT) 1 and 3, thereby leading to transcriptional upregulation of insulin-like growth factor 2 (IGF2), which subsequently activates insulin receptor (IR) in LC cells in a paracrine manner, promoting its nuclear import. Nuclear IR binds to nucleophosmin (NPM1), resulting in IR/NPM1-mediated activation of the CD274 promoter and expression of programmed death ligand-1 (PD-L1). Restricting glycolysis, depleting macrophages, or blocking PD-L1 inhibits NB-mediated LC progression. Analysis of patient tissues and public databases reveals elevated levels of IGF2 and GLUT1 in tumor-associated macrophages, as well as tumoral PD-L1 and phosphorylated insulin-like growth factor 1 receptor/insulin receptor (pIGF-1R/IR) expression, suggesting potential poor prognostic biomarkers for LC patients. Our data indicate that paracrine IGF2/IR/NPM1/PD-L1 signaling, facilitated by NB-induced dysregulation of glucose levels and metabolic reprogramming of macrophages, contributes to TS-mediated LC progression.
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Affiliation(s)
- Hyun-Ji Jang
- Creative Research Initiative Center for concurrent control of emphysema and lung cancer, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hye-Young Min
- Creative Research Initiative Center for concurrent control of emphysema and lung cancer, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yun Pyo Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hye-Jin Boo
- Creative Research Initiative Center for concurrent control of emphysema and lung cancer, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Histology, College of Medicine, Jeju National University, Jeju, 63243, Republic of Korea
| | - Jisung Kim
- Creative Research Initiative Center for concurrent control of emphysema and lung cancer, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jee Hwan Ahn
- Creative Research Initiative Center for concurrent control of emphysema and lung cancer, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology and College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seung Ho Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jin Hwa Jung
- PET core, Convergence Medicine Research Center, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Choon-Sik Park
- Soonchunhyang University Bucheon Hospital, Bucheon-si, Gyeonggi-do, 14584, Republic of Korea
| | - Jong-Sook Park
- Soonchunhyang University Bucheon Hospital, Bucheon-si, Gyeonggi-do, 14584, Republic of Korea
| | - Seog-Young Kim
- PET core, Convergence Medicine Research Center, Asan Medical Center, Seoul, 05505, Republic of Korea
- Department of Convergence Medicine, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Ho-Young Lee
- Creative Research Initiative Center for concurrent control of emphysema and lung cancer, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea.
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea.
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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3
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Glotzbach A, Rohlf K, Gonscharow A, Lüke S, Demirci Ö, Begher-Tibbe B, Overbeck N, Reinders J, Cadenas C, Hengstler JG, Edlund K, Marchan R. EDI3 knockdown in ER-HER2+ breast cancer cells reduces tumor burden and improves survival in two mouse models of experimental metastasis. Breast Cancer Res 2024; 26:87. [PMID: 38816770 PMCID: PMC11138102 DOI: 10.1186/s13058-024-01849-y] [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: 11/02/2023] [Accepted: 05/23/2024] [Indexed: 06/01/2024] Open
Abstract
BACKGROUND Despite progress understanding the mechanisms underlying tumor spread, metastasis remains a clinical challenge. We identified the choline-producing glycerophosphodiesterase, EDI3 and reported its association with metastasis-free survival in endometrial cancer. We also observed that silencing EDI3 slowed cell migration and other cancer-relevant phenotypes in vitro. Recent work demonstrated high EDI3 expression in ER-HER2+ breast cancer compared to the other molecular subtypes. Silencing EDI3 in ER-HER2+ cells significantly reduced cell survival in vitro and decreased tumor growth in vivo. However, a role for EDI3 in tumor metastasis in this breast cancer subtype was not explored. Therefore, in the present work we investigate whether silencing EDI3 in ER-HER2+ breast cancer cell lines alters phenotypes linked to metastasis in vitro, and metastasis formation in vivo using mouse models of experimental metastasis. METHODS To inducibly silence EDI3, luciferase-expressing HCC1954 cells were transduced with lentiviral particles containing shRNA oligos targeting EDI3 under the control of doxycycline. The effect on cell migration, adhesion, colony formation and anoikis was determined in vitro, and significant findings were confirmed in a second ER-HER2+ cell line, SUM190PT. Doxycycline-induced HCC1954-luc shEDI3 cells were injected into the tail vein or peritoneum of immunodeficient mice to generate lung and peritoneal metastases, respectively and monitored using non-invasive bioluminescence imaging. Metabolite levels in cells and tumor tissue were analyzed using targeted mass spectrometry and MALDI mass spectrometry imaging (MALDI-MSI), respectively. RESULTS Inducibly silencing EDI3 reduced cell adhesion and colony formation, as well as increased susceptibility to anoikis in HCC1954-luc cells, which was confirmed in SUM190PT cells. No influence on cell migration was observed. Reduced luminescence was seen in lungs and peritoneum of mice injected with cells expressing less EDI3 after tail vein and intraperitoneal injection, respectively, indicative of reduced metastasis. Importantly, mice injected with EDI3-silenced cells survived longer. Closer analysis of the peritoneal organs revealed that silencing EDI3 had no effect on metastatic organotropism but instead reduced metastatic burden. Finally, metabolic analyses revealed significant changes in choline and glycerophospholipid metabolites in cells and in pancreatic metastases in vivo. CONCLUSIONS Reduced metastasis upon silencing supports EDI3's potential as a treatment target in metastasizing ER-HER2+ breast cancer.
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Affiliation(s)
- Annika Glotzbach
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Katharina Rohlf
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Anastasia Gonscharow
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Simon Lüke
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Özlem Demirci
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
- Department of Biology, Science Faculty, Dicle University, Diyarbakir, Turkey
| | - Brigitte Begher-Tibbe
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Nina Overbeck
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Jörg Reinders
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Cristina Cadenas
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Jan G Hengstler
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Karolina Edlund
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany
| | - Rosemarie Marchan
- Leibniz Research Centre for Working Environment and Human Factors at the TU Dortmund (IfADo), Ardeystrasse 67, 44139, Dortmund, Germany.
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Blériot C, Dunsmore G, Alonso-Curbelo D, Ginhoux F. A temporal perspective for tumor-associated macrophage identities and functions. Cancer Cell 2024; 42:747-758. [PMID: 38670090 DOI: 10.1016/j.ccell.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 02/13/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024]
Abstract
Cancer is a progressive disease that can develop and evolve over decades, with inflammation playing a central role at each of its stages, from tumor initiation to metastasis. In this context, macrophages represent well-established bridges reciprocally linking inflammation and cancer via an array of diverse functions that have spurred efforts to classify them into subtypes. Here, we discuss the intertwines between macrophages, inflammation, and cancer with an emphasis on temporal dynamics of macrophage diversity and functions in pre-malignancy and cancer. By instilling temporal dynamism into the more static classic view of tumor-associated macrophage biology, we propose a new framework to better contextualize their significance in the inflammatory processes that precede and result from the onset of cancer and shape its evolution.
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Affiliation(s)
- Camille Blériot
- Gustave Roussy, INSERM, Villejuif, France; Institut Necker des Enfants Malades (INEM), INSERM, CNRS, Université Paris Cité, Paris, France
| | | | - Direna Alonso-Curbelo
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
| | - Florent Ginhoux
- Gustave Roussy, INSERM, Villejuif, France; Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A∗STAR), Singapore, Singapore; Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai, China; Translational Immunology Institute, SingHealth Duke-NUS, Singapore, Singapore.
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5
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Jakab M, Lee KH, Uvarovskii A, Ovchinnikova S, Kulkarni SR, Jakab S, Rostalski T, Spegg C, Anders S, Augustin HG. Lung endothelium exploits susceptible tumor cell states to instruct metastatic latency. NATURE CANCER 2024; 5:716-730. [PMID: 38308117 PMCID: PMC11136671 DOI: 10.1038/s43018-023-00716-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 12/15/2023] [Indexed: 02/04/2024]
Abstract
In metastasis, cancer cells travel around the circulation to colonize distant sites. Due to the rarity of these events, the immediate fates of metastasizing tumor cells (mTCs) are poorly understood while the role of the endothelium as a dissemination interface remains elusive. Using a newly developed combinatorial mTC enrichment approach, we provide a transcriptional blueprint of the early colonization process. Following their arrest at the metastatic site, mTCs were found to either proliferate intravascularly or extravasate, thereby establishing metastatic latency. Endothelial-derived angiocrine Wnt factors drive this bifurcation, instructing mTCs to follow the extravasation-latency route. Surprisingly, mTC responsiveness towards niche-derived Wnt was established at the epigenetic level, which predetermined tumor cell behavior. Whereas hypomethylation enabled high Wnt activity leading to metastatic latency, methylated mTCs exhibited low activity and proliferated intravascularly. Collectively the data identify the predetermined methylation status of disseminated tumor cells as a key regulator of mTC behavior in the metastatic niche.
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Affiliation(s)
- Moritz Jakab
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany.
- Division of Vascular Oncology and Metastasis, German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Heidelberg, Germany.
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany.
| | - Ki Hong Lee
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Alexey Uvarovskii
- Center for Molecular Biology, Heidelberg University, Heidelberg, Germany
- Evotec SE, Göttingen, Germany
| | - Svetlana Ovchinnikova
- Center for Molecular Biology, Heidelberg University, Heidelberg, Germany
- Bioquant Center, Heidelberg University, Heidelberg, Germany
| | - Shubhada R Kulkarni
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Sevinç Jakab
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Till Rostalski
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Carleen Spegg
- Division of Vascular Oncology and Metastasis, German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Simon Anders
- Center for Molecular Biology, Heidelberg University, Heidelberg, Germany
- Bioquant Center, Heidelberg University, Heidelberg, Germany
| | - Hellmut G Augustin
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany.
- Division of Vascular Oncology and Metastasis, German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Heidelberg, Germany.
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Bhat V, Piaseczny M, Goodale D, Patel U, Sadri A, Allan AL. Lung-derived soluble factors support stemness/plasticity and metastatic behaviour of breast cancer cells via the FGF2-DACH1 axis. Clin Exp Metastasis 2024:10.1007/s10585-024-10284-4. [PMID: 38581619 DOI: 10.1007/s10585-024-10284-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 03/20/2024] [Indexed: 04/08/2024]
Abstract
Patients with triple-negative breast cancer (TNBC) have an increased propensity to develop lung metastasis. Our previous studies demonstrated that stem-like ALDHhiCD44+ breast cancer cells interact with lung-derived soluble factors, resulting in enhanced migration and lung metastasis particularly in TNBC models. We have also observed that the presence of a primary TNBC tumor can 'prime' the lung microenvironment in preparation for metastasis. In this study, we hypothesized that soluble lung-derived factors secreted in the presence of a primary TNBC tumor can influence stemness/plasticity of breast cancer cells. Using an ex vivo pulmonary metastasis assay (PuMA), we observed that the lung microenvironment supports colonization and growth of ALDHhiCD44+ TNBC cells, potentially via interactions with lung-derived FGF2. Exposure of TNBC cells to lung-conditioned media (LCM) generated from mice bearing TNBC primary tumors (tbLCM) significantly enhanced the proportion of ALDHhiCD44+ cells compared to control or LCM from tumor-naïve mice (tnLCM). Further analysis using a human cancer stem cell qPCR array revealed that, relative to tnLCM or control, exposure of TNBC cells to tbLCM leads to downregulation of the transcription factor and putative tumor suppressor Dachshund homolog 1 (DACH1), a downstream regulator of FGF2. In addition, inhibition of DACH1 using siRNA or treatment with recombinant FGF2 enhanced the ALDHhiCD44+ phenotype. Taken together, our findings suggest that the FGF2-DACH1 signaling axis supports stemness/plasticity of TNBC cells in the lung microenvironment and lays the foundation for future evaluation of FGF2 as a potential novel therapeutic target for treatment or prevention of breast cancer metastasis to the lung.
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Affiliation(s)
- Vasudeva Bhat
- London Regional Cancer Program, London Health Science Centre, London, ON, N6A 5W9, Canada.
- Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, N6A 5C1, Canada.
| | - Matthew Piaseczny
- Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, N6A 5C1, Canada
| | - David Goodale
- London Regional Cancer Program, London Health Science Centre, London, ON, N6A 5W9, Canada
| | - Urvi Patel
- Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, N6A 5C1, Canada
| | - Ashkan Sadri
- Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, N6A 5C1, Canada
| | - Alison L Allan
- London Regional Cancer Program, London Health Science Centre, London, ON, N6A 5W9, Canada
- Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, N6A 5C1, Canada
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, N6A 5W9, Canada
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Li W, Liang Z, Wang P, Ma Q. The luminescent principle and sensing mechanism of metal-organic framework for bioanalysis and bioimaging. Biosens Bioelectron 2024; 249:116008. [PMID: 38245932 DOI: 10.1016/j.bios.2024.116008] [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: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/23/2024]
Abstract
Metal-organic frameworks (MOFs) porous material have obtained more and more attention during the past decade. Among various MOFs materials, luminescent MOFs with specific chemical characteristics and excellent optical properties have been regarded as promising candidates in the research of cancer biomarkers detection and bioimaging. Therefore, the latest advances and the principal biosensing and imaging strategies based on the luminescent MOFs were discussed in this review. The effective synthesis methods of luminescent MOFs were emphasized firstly. Subsequently, the luminescent principle of MOFs has been summarized. Furthermore, the luminescent MOF-based sensing mechanisms have been highlighted to provide insights into the design of biosensors. The designability of LMOFs was suitable for different needs of biorecognition, detection, and imaging. Typical examples of luminescent MOF in the various cancer biomarkers detection and bioimaging were emphatically introduced. Finally, the future outlooks and challenges of luminescent MOF-based biosensing systems were proposed for clinical cancer diagnosis.
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Affiliation(s)
- Wenyan Li
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Zihui Liang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Peilin Wang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Qiang Ma
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.
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Boddu VK, Zamzow P, Kramer MW, Merseburger AS, Gorantla SP, Klinger M, Cramer L, Sauer T, Gemoll T, von Bubnoff N, Gieseler F, Darabi M. Targeting cancer-derived extracellular vesicles by combining CD147 inhibition with tissue factor pathway inhibitor for the management of urothelial cancer cells. Cell Commun Signal 2024; 22:129. [PMID: 38360687 PMCID: PMC10870545 DOI: 10.1186/s12964-024-01508-x] [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: 08/28/2023] [Accepted: 01/31/2024] [Indexed: 02/17/2024] Open
Abstract
BACKGROUND Extracellular vesicles (EVs), including microvesicles, hold promise for the management of bladder urothelial carcinoma (BLCA), particularly because of their utility in identifying therapeutic targets and their diagnostic potential using easily accessible urine samples. Among the transmembrane glycoproteins highly enriched in cancer-derived EVs, tissue factor (TF) and CD147 have been implicated in promoting tumor progression. In this in vitro study, we explored a novel approach to impede cancer cell migration and metastasis by simultaneously targeting these molecules on urothelial cancer-derived EVs. METHODS Cell culture supernatants from invasive and non-invasive bladder cancer cell lines and urine samples from patients with BLCA were collected. Large, microvesicle-like EVs were isolated using sequential centrifugation and characterized by electron microscopy, nanoparticle tracking analysis, and flow cytometry. The impact of urinary or cell supernatant-derived EVs on cellular phenotypes was evaluated using cell-based assays following combined treatment with a specific CD147 inhibitor alone or in combination with a tissue factor pathway inhibitor (TFPI), an endogenous anticoagulant protein that can be released by low-molecular-weight heparins. RESULTS We observed that EVs obtained from the urine samples of patients with muscle-invasive BLCA and from the aggressive bladder cancer cell line J82 exhibited higher TF activity and CD147 expression levels than did their non-invasive counterparts. The shedding of GFP-tagged CD147 into isolated vesicles demonstrated that the vesicles originated from plasma cell membranes. EVs originating from invasive cancer cells were found to trigger migration, secretion of matrix metalloproteinases (MMPs), and invasion. The same induction of MMP activity was replicated using EVs obtained from urine samples of patients with invasive BLCA. EVs derived from cancer cell clones overexpressing TF and CD147 were produced in higher quantities and exhibited a higher invasive potential than those from control cancer cells. TFPI interfered with the effect when used in conjunction with the CD147 inhibitor, further suppressing homotypic EV-induced migration, MMP production, and invasion. CONCLUSIONS Our findings suggest that combining a CD147 inhibitor with low molecular weight heparins to induce TFPI release may be a promising therapeutic approach for urothelial cancer management. This combination can potentially suppress the tumor-promoting actions of cancer-derived microvesicle-like EVs, including collective matrix invasion.
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Affiliation(s)
- Vijay Kumar Boddu
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Piet Zamzow
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | | | - Axel S Merseburger
- Department of Urology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | | | | | - Lena Cramer
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Thorben Sauer
- Department of Surgery, Section for Translational Surgical Oncology and Biobanking, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Timo Gemoll
- Department of Surgery, Section for Translational Surgical Oncology and Biobanking, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Nikolas von Bubnoff
- Department of Urology, University Hospital Schleswig-Holstein, Lübeck, Germany
- University Cancer Center Schleswig-Holstein (UCCSH), Lübeck, Germany
| | - Frank Gieseler
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
- University Cancer Center Schleswig-Holstein (UCCSH), Lübeck, Germany
| | - Masoud Darabi
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany.
- University Cancer Center Schleswig-Holstein (UCCSH), Lübeck, Germany.
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9
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Mazan A, Marusiak AA. Protocols for Co-Culture Phenotypic Assays with Breast Cancer Cells and THP-1-Derived Macrophages. J Mammary Gland Biol Neoplasia 2024; 29:4. [PMID: 38340231 PMCID: PMC10858929 DOI: 10.1007/s10911-024-09556-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Tumor mass comprises not only cancer cells but also heterogeneous populations of immune and stromal cells, along with the components of the extracellular matrix, collectively called the tumor microenvironment (TME). This diverse population of cells can communicate with each other, which can positively or negatively affect tumor growth and progression to malignancy. The most common type of immune cells in the TME are macrophages. Macrophages continuously differentiate into a broad landscape of tumor-associated macrophages (TAMs) in response to numerous signals from the TME, which makes studies on TAMs quite challenging. Therefore, implementing reliable protocols is a milestone for drawing consistent conclusions about the interactions between cancer cells and TAMs. Here, we provide the details for the polarization of a human leukemia monocytic cell line, THP-1, into M0, M1 and M2 macrophages. We also present a step-by-step protocol for a transwell co-culture using a human breast cancer cell line, HCC1806, and THP-1-derived macrophages. Finally, we describe the colony formation and migration assays performed on the breast cancer cells after the co-culture with macrophages to measure the influence of macrophages on the oncogenic features of cancer cells. In summary, our co-culture-based protocols can be a valuable resource for investigating the interactions between macrophages and cancer cells.
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Affiliation(s)
- Alicja Mazan
- Laboratory of Molecular OncoSignalling, IMol Polish Academy of Sciences, Flisa 6, Warsaw, 02-247, Poland
| | - Anna A Marusiak
- Laboratory of Molecular OncoSignalling, IMol Polish Academy of Sciences, Flisa 6, Warsaw, 02-247, Poland.
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10
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Chuang YM, Tzeng SF, Ho PC, Tsai CH. Immunosurveillance encounters cancer metabolism. EMBO Rep 2024; 25:471-488. [PMID: 38216787 PMCID: PMC10897436 DOI: 10.1038/s44319-023-00038-w] [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: 02/10/2023] [Revised: 12/02/2023] [Accepted: 12/12/2023] [Indexed: 01/14/2024] Open
Abstract
Tumor cells reprogram nutrient acquisition and metabolic pathways to meet their energetic, biosynthetic, and redox demands. Similarly, metabolic processes in immune cells support host immunity against cancer and determine differentiation and fate of leukocytes. Thus, metabolic deregulation and imbalance in immune cells within the tumor microenvironment have been reported to drive immune evasion and to compromise therapeutic outcomes. Interestingly, emerging evidence indicates that anti-tumor immunity could modulate tumor heterogeneity, aggressiveness, and metabolic reprogramming, suggesting that immunosurveillance can instruct cancer progression in multiple dimensions. This review summarizes our current understanding of how metabolic crosstalk within tumors affects immunogenicity of tumor cells and promotes cancer progression. Furthermore, we explain how defects in the metabolic cascade can contribute to developing dysfunctional immune responses against cancers and discuss the contribution of immunosurveillance to these defects as a feedback mechanism. Finally, we highlight ongoing clinical trials and new therapeutic strategies targeting cellular metabolism in cancer.
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Affiliation(s)
- Yu-Ming Chuang
- Department of Fundamental Oncology, University of Lausanne, Lausanne, Switzerland
- Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland
| | - Sheue-Fen Tzeng
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Ping-Chih Ho
- Department of Fundamental Oncology, University of Lausanne, Lausanne, Switzerland.
- Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland.
| | - Chin-Hsien Tsai
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan.
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei, Taiwan.
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11
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Neagu AN, Whitham D, Bruno P, Arshad A, Seymour L, Morrissiey H, Hukovic AI, Darie CC. Onco-Breastomics: An Eco-Evo-Devo Holistic Approach. Int J Mol Sci 2024; 25:1628. [PMID: 38338903 PMCID: PMC10855488 DOI: 10.3390/ijms25031628] [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: 12/20/2023] [Revised: 01/21/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Known as a diverse collection of neoplastic diseases, breast cancer (BC) can be hyperbolically characterized as a dynamic pseudo-organ, a living organism able to build a complex, open, hierarchically organized, self-sustainable, and self-renewable tumor system, a population, a species, a local community, a biocenosis, or an evolving dynamical ecosystem (i.e., immune or metabolic ecosystem) that emphasizes both developmental continuity and spatio-temporal change. Moreover, a cancer cell community, also known as an oncobiota, has been described as non-sexually reproducing species, as well as a migratory or invasive species that expresses intelligent behavior, or an endangered or parasite species that fights to survive, to optimize its features inside the host's ecosystem, or that is able to exploit or to disrupt its host circadian cycle for improving the own proliferation and spreading. BC tumorigenesis has also been compared with the early embryo and placenta development that may suggest new strategies for research and therapy. Furthermore, BC has also been characterized as an environmental disease or as an ecological disorder. Many mechanisms of cancer progression have been explained by principles of ecology, developmental biology, and evolutionary paradigms. Many authors have discussed ecological, developmental, and evolutionary strategies for more successful anti-cancer therapies, or for understanding the ecological, developmental, and evolutionary bases of BC exploitable vulnerabilities. Herein, we used the integrated framework of three well known ecological theories: the Bronfenbrenner's theory of human development, the Vannote's River Continuum Concept (RCC), and the Ecological Evolutionary Developmental Biology (Eco-Evo-Devo) theory, to explain and understand several eco-evo-devo-based principles that govern BC progression. Multi-omics fields, taken together as onco-breastomics, offer better opportunities to integrate, analyze, and interpret large amounts of complex heterogeneous data, such as various and big-omics data obtained by multiple investigative modalities, for understanding the eco-evo-devo-based principles that drive BC progression and treatment. These integrative eco-evo-devo theories can help clinicians better diagnose and treat BC, for example, by using non-invasive biomarkers in liquid-biopsies that have emerged from integrated omics-based data that accurately reflect the biomolecular landscape of the primary tumor in order to avoid mutilating preventive surgery, like bilateral mastectomy. From the perspective of preventive, personalized, and participatory medicine, these hypotheses may help patients to think about this disease as a process governed by natural rules, to understand the possible causes of the disease, and to gain control on their own health.
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Affiliation(s)
- Anca-Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, “Alexandru Ioan Cuza” University of Iași, Carol I bvd. 20A, 700505 Iasi, Romania
| | - Danielle Whitham
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
| | - Pathea Bruno
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
| | - Aneeta Arshad
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
| | - Logan Seymour
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
| | - Hailey Morrissiey
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
| | - Angiolina I. Hukovic
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
| | - Costel C. Darie
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA; (D.W.); (P.B.); (A.A.); (L.S.); (H.M.); (A.I.H.)
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12
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Xu J, Gao F, Liu W, Guan X. Cell-cell communication characteristics in breast cancer metastasis. Cell Commun Signal 2024; 22:55. [PMID: 38243240 PMCID: PMC10799417 DOI: 10.1186/s12964-023-01418-4] [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: 08/02/2023] [Accepted: 12/02/2023] [Indexed: 01/21/2024] Open
Abstract
Breast cancer, a highly fatal disease due to its tendency to metastasize, is the most prevalent form of malignant tumors among women worldwide. Numerous studies indicate that breast cancer exhibits a unique predilection for metastasis to specific organs including the bone, liver, lung, and brain. However, different types of, The understanding of the heterogeneity of metastatic breast cancer has notably improved with the recent advances in high-throughput sequencing techniques. Focusing on the modification in the microenvironment of the metastatic organs and the crosstalk between tumor cells and in situ cells, noteworthy research points include the identification of two distinct modes of tumor growth in bone metastases, the influence of type II pneumocyte on lung metastases, the paradoxical role of Kupffer cells in liver metastases, and the breakthrough of the blood-brain barrier (BBB) breach in brain metastases. Overall, this review provides a comprehensive overview of the characteristics of breast cancer metastases, shedding light on the pivotal roles of immune and resident cells in the development of distinct metastatic foci.
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Affiliation(s)
- Jingtong Xu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Fangyan Gao
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Weici Liu
- The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Xiaoxiang Guan
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, 210029, China.
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13
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Zelanis A, Barcick U, Racorti NDV, Salardani M. Heterotypic communication as the promoter of phenotypic plasticity of cancer cells: The role of cancer secretomes. Proteomics 2023; 23:e2200243. [PMID: 37474490 DOI: 10.1002/pmic.202200243] [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: 10/27/2022] [Revised: 04/24/2023] [Accepted: 07/03/2023] [Indexed: 07/22/2023]
Abstract
Cellular communication relies on signaling circuits whose statuses are mainly modulated by soluble biomolecules such as carbohydrates, lipids, proteins, and metabolites as well as extracellular vesicles (EVs). Therefore, the active secretion of such biomolecules is critical for both cell homeostasis and proper pathophysiological responses in a timely fashion. In this context, proteins are among the main modulators of such biological responses. Hence, profiling cell line secretomes may be an opportunity for the identification of "signatures" of specific cell types (i.e., stromal or metastatic cells) with important prognostic/therapeutic value. This review will focus on the biological implications of cell secretomes in the context of cancer, as well as their functional roles in shaping the tumoral microenvironment (TME) and communication status of participating cells.
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Affiliation(s)
- André Zelanis
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Uilla Barcick
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Nathália de Vasconcellos Racorti
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Murilo Salardani
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
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14
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Chan SH, Kuo WH, Wang LH. SCEL regulates switches between pro-survival and apoptosis of the TNF-α/TNFR1/NF-κB/c-FLIP axis to control lung colonization of triple negative breast cancer. J Biomed Sci 2023; 30:93. [PMID: 38037106 PMCID: PMC10688137 DOI: 10.1186/s12929-023-00986-4] [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: 04/25/2023] [Accepted: 11/19/2023] [Indexed: 12/02/2023] Open
Abstract
BACKGROUND Patients with metastatic triple-negative breast cancer (mTNBC) have a higher probability of developing visceral metastasis within 5 years after the initial diagnosis. Therefore, a deeper understanding of the progression and spread of mTNBC is urgently needed. METHODS The isobaric tag for relative and absolute quantitation (iTRAQ)-based LC-MS/MS proteomic approach was applied to identify novel membrane-associated proteins in the lung-tropic metastatic cells. Public domain datasets were used to assess the clinical relevance of the candidate proteins. Cell-based and mouse models were used for biochemical and functional characterization of the protein molecule Sciellin (SCEL) identified by iTRAQ to elucidate its role and underlying mechanism in promoting lung colonization of TNBC cells. RESULTS The iTRAQ-based LC-MS/MS proteomic approach identified a membrane-associated protein SCEL that was overexpressed in the lung-tropic metastatic cells, and its high expression was significantly correlated with the late-stage TNBC and the shorter survival of the patients. Downregulation of SCEL expression significantly impaired the 3D colony-forming ability but not the migration and invasion ability of the lung colonization (LC) cells. Knockdown of SCEL reduced TNF-α-induced activation of the NF-κB/c-FLIP pro-survival and Akt/Erk1/2 growth signaling pathways in the LC cells. Specifically, knockdown of SCEL expression switched TNF-α-mediated cell survival to the caspase 3-dependent apoptosis. Conversely, ectopic expression of SCEL promoted TNF-α-induced activation of NF-κB/c-FLIP pro-survival and Akt/Erk1/2 pro-growth signaling pathway. The result of co-immunoprecipitation (Co-IP) and GST pull-down assay showed that SCEL could interact with TNFR1 to promote its protein stability. The xenograft mouse model experiments revealed that knockdown of SCEL resulted in increase of caspase-3 activity, and decrease of ki67 and TNFR1 expression as well as increase of tumor-associated macrophages in the metastatic lung lesions. Clinically, SCEL expression was found to be positively correlated with TNFR1 in TNBC tissues. Lastly, we showed that blocking TNF-α-mediated cell survival signaling by adalimumab effectively suppressed the lung colonization of the SCEL-positive, but not the SCEL-downregulated LC cells in the tail-vein injection model. CONCLUSIONS Our findings indicate that SCEL plays an essential role in the metastatic lung colonization of TNBC by promoting the TNF-α/TNFR1/NF-κB/c-FLIP survival and Akt/Erk1/2 proliferation signaling. Thus, SCEL may serve as a biomarker for adalimumab treatment of TNBC patients.
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Affiliation(s)
- Shih-Hsuan Chan
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan.
- Chinese Medicine Research Center, China Medical University, No. 91, Hsueh-Shih Road, Taichung, 40402, Taiwan.
- Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, 40402, Taiwan.
| | - Wen-Hung Kuo
- Department of Surgery, National Taiwan University Hospital, Taipei, 100, Taiwan
| | - Lu-Hai Wang
- Chinese Medicine Research Center, China Medical University, No. 91, Hsueh-Shih Road, Taichung, 40402, Taiwan.
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.
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15
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Martino F, Lupi M, Giraudo E, Lanzetti L. Breast cancers as ecosystems: a metabolic perspective. Cell Mol Life Sci 2023; 80:244. [PMID: 37561190 PMCID: PMC10415483 DOI: 10.1007/s00018-023-04902-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/18/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023]
Abstract
Breast cancer (BC) is the most frequently diagnosed cancer and one of the major causes of cancer death. Despite enormous progress in its management, both from the therapeutic and early diagnosis viewpoints, still around 700,000 patients succumb to the disease each year, worldwide. Late recurrency is the major problem in BC, with many patients developing distant metastases several years after the successful eradication of the primary tumor. This is linked to the phenomenon of metastatic dormancy, a still mysterious trait of the natural history of BC, and of several other types of cancer, by which metastatic cells remain dormant for long periods of time before becoming reactivated to initiate the clinical metastatic disease. In recent years, it has become clear that cancers are best understood if studied as ecosystems in which the impact of non-cancer-cell-autonomous events-dependent on complex interaction between the cancer and its environment, both local and systemic-plays a paramount role, probably as significant as the cell-autonomous alterations occurring in the cancer cell. In adopting this perspective, a metabolic vision of the cancer ecosystem is bound to improve our understanding of the natural history of cancer, across space and time. In BC, many metabolic pathways are coopted into the cancer ecosystem, to serve the anabolic and energy demands of the cancer. Their study is shedding new light on the most critical aspect of BC management, of metastatic dissemination, and that of the related phenomenon of dormancy and fostering the application of the knowledge to the development of metabolic therapies.
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Affiliation(s)
- Flavia Martino
- Department of Oncology, University of Torino Medical School, Turin, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Mariadomenica Lupi
- Department of Oncology, University of Torino Medical School, Turin, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Enrico Giraudo
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Science and Drug Technology, University of Torino, Turin, Italy
| | - Letizia Lanzetti
- Department of Oncology, University of Torino Medical School, Turin, Italy.
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy.
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16
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van Amerongen R, Bentires-Alj M, van Boxtel AL, Clarke RB, Fre S, Suarez EG, Iggo R, Jechlinger M, Jonkers J, Mikkola ML, Koledova ZS, Sørlie T, Vivanco MDM. Imagine beyond: recent breakthroughs and next challenges in mammary gland biology and breast cancer research. J Mammary Gland Biol Neoplasia 2023; 28:17. [PMID: 37450065 PMCID: PMC10349020 DOI: 10.1007/s10911-023-09544-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 06/25/2023] [Indexed: 07/18/2023] Open
Abstract
On 8 December 2022 the organizing committee of the European Network for Breast Development and Cancer labs (ENBDC) held its fifth annual Think Tank meeting in Amsterdam, the Netherlands. Here, we embraced the opportunity to look back to identify the most prominent breakthroughs of the past ten years and to reflect on the main challenges that lie ahead for our field in the years to come. The outcomes of these discussions are presented in this position paper, in the hope that it will serve as a summary of the current state of affairs in mammary gland biology and breast cancer research for early career researchers and other newcomers in the field, and as inspiration for scientists and clinicians to move the field forward.
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Affiliation(s)
- Renée van Amerongen
- Developmental, Stem Cell and Cancer Biology, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, the Netherlands.
| | - Mohamed Bentires-Alj
- Laboratory of Tumor Heterogeneity, Metastasis and Resistance, Department of Biomedicine, University of Basel and University Hospital of Basel, Basel, Switzerland
| | - Antonius L van Boxtel
- Developmental, Stem Cell and Cancer Biology, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, the Netherlands
| | - Robert B Clarke
- Manchester Breast Centre, Division of Cancer Sciences, School of Medical Sciences, University of Manchester, Manchester, UK
| | - Silvia Fre
- Institut Curie, Genetics and Developmental Biology Department, PSL Research University, CNRS UMR3215, U93475248, InsermParis, France
| | - Eva Gonzalez Suarez
- Transformation and Metastasis Laboratory, Molecular Oncology, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
- Oncobell, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Richard Iggo
- INSERM U1312, University of Bordeaux, 33076, Bordeaux, France
| | - Martin Jechlinger
- Cell Biology and Biophysics Department, EMBL, Heidelberg, Germany
- Molit Institute of Personalized Medicine, Heilbronn, Germany
| | - Jos Jonkers
- Division of Molecular Pathology, Oncode Institute, Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands
| | - Marja L Mikkola
- Institute of Biotechnology, HiLIFE Helsinki Institute of Life Science, University of Helsinki, P.O.B. 56, 00014, Helsinki, Finland
| | - Zuzana Sumbalova Koledova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
| | - Therese Sørlie
- Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Maria dM Vivanco
- Cancer Heterogeneity Lab, CIC bioGUNE, Basque Research and Technology Alliance, BRTA, Technological Park Bizkaia, 48160, Derio, Spain
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17
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Wieder R. Awakening of Dormant Breast Cancer Cells in the Bone Marrow. Cancers (Basel) 2023; 15:cancers15113021. [PMID: 37296983 DOI: 10.3390/cancers15113021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 05/23/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
Up to 40% of patients with breast cancer (BC) have metastatic cells in the bone marrow (BM) at the initial diagnosis of localized disease. Despite definitive systemic adjuvant therapy, these cells survive in the BM microenvironment, enter a dormant state and recur stochastically for more than 20 years. Once they begin to proliferate, recurrent macrometastases are not curable, and patients generally succumb to their disease. Many potential mechanisms for initiating recurrence have been proposed, but no definitive predictive data have been generated. This manuscript reviews the proposed mechanisms that maintain BC cell dormancy in the BM microenvironment and discusses the data supporting specific mechanisms for recurrence. It addresses the well-described mechanisms of secretory senescence, inflammation, aging, adipogenic BM conversion, autophagy, systemic effects of trauma and surgery, sympathetic signaling, transient angiogenic bursts, hypercoagulable states, osteoclast activation, and epigenetic modifications of dormant cells. This review addresses proposed approaches for either eliminating micrometastases or maintaining a dormant state.
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Affiliation(s)
- Robert Wieder
- Rutgers New Jersey Medical School and the Cancer Institute of New Jersey, 185 South Orange Avenue, MSB F671, Newark, NJ 07103, USA
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18
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Das K, Mukherjee T, Shankar P. The Role of Extracellular Vesicles in the Pathogenesis of Hematological Malignancies: Interaction with Tumor Microenvironment; a Potential Biomarker and Targeted Therapy. Biomolecules 2023; 13:897. [PMID: 37371477 DOI: 10.3390/biom13060897] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/21/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
The tumor microenvironment (TME) plays an important role in the development and progression of hematological malignancies. In recent years, studies have focused on understanding how tumor cells communicate within the TME. In addition to several factors, such as growth factors, cytokines, extracellular matrix (ECM) molecules, etc., a growing body of evidence has indicated that extracellular vesicles (EVs) play a crucial role in the communication of tumor cells within the TME, thereby contributing to the pathogenesis of hematological malignancies. The present review focuses on how EVs derived from tumor cells interact with the cells in the TME, such as immune cells, stromal cells, endothelial cells, and ECM components, and vice versa, in the context of various hematological malignancies. EVs recovered from the body fluids of cancer patients often carry the bioactive molecules of the originating cells and hence can be considered new predictive biomarkers for specific types of cancer, thereby also acting as potential therapeutic targets. Here, we discuss how EVs influence hematological tumor progression via tumor-host crosstalk and their use as biomarkers for hematological malignancies, thereby benefiting the development of potential therapeutic targets.
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Affiliation(s)
- Kaushik Das
- Department of Cellular and Molecular Biology, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA
| | - Tanmoy Mukherjee
- Department of Pulmonary Immunology, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA
| | - Prem Shankar
- Department of Pulmonary Immunology, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA
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19
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Tan X, Xiao GY, Wang S, Shi L, Zhao Y, Liu X, Yu J, Russell WK, Creighton CJ, Kurie JM. EMT-activated secretory and endocytic vesicular trafficking programs underlie a vulnerability to PI4K2A antagonism in lung cancer. J Clin Invest 2023; 133:e165863. [PMID: 36757799 PMCID: PMC10065074 DOI: 10.1172/jci165863] [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: 10/03/2022] [Accepted: 02/07/2023] [Indexed: 02/10/2023] Open
Abstract
Hypersecretory malignant cells underlie therapeutic resistance, metastasis, and poor clinical outcomes. However, the molecular basis for malignant hypersecretion remains obscure. Here, we showed that epithelial-mesenchymal transition (EMT) initiates exocytic and endocytic vesicular trafficking programs in lung cancer. The EMT-activating transcription factor zinc finger E-box-binding homeobox 1 (ZEB1) executed a PI4KIIIβ-to-PI4KIIα (PI4K2A) dependency switch that drove PI4P synthesis in the Golgi and endosomes. EMT enhanced the vulnerability of lung cancer cells to PI4K2A small-molecule antagonists. PI4K2A formed a MYOIIA-containing protein complex that facilitated secretory vesicle biogenesis in the Golgi, thereby establishing a hypersecretory state involving osteopontin (SPP1) and other prometastatic ligands. In the endosomal compartment, PI4K2A accelerated recycling of SPP1 receptors to complete an SPP1-dependent autocrine loop and interacted with HSP90 to prevent lysosomal degradation of AXL receptor tyrosine kinase, a driver of cell migration. These results show that EMT coordinates exocytic and endocytic vesicular trafficking to establish a therapeutically actionable hypersecretory state that drives lung cancer progression.
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Affiliation(s)
- Xiaochao Tan
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - Guan-Yu Xiao
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - Shike Wang
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - Lei Shi
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - Yanbin Zhao
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
- Department of Internal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang Province, China
| | - Xin Liu
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - Jiang Yu
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - William K. Russell
- Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, Galveston, Texas, USA
| | - Chad J. Creighton
- Department of Medicine and Dan L Duncan Cancer Center, Baylor College of Medicine, Houston, Texas, USA
- Department of Bioinformatics and Computational Biology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
| | - Jonathan M. Kurie
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas–MD Anderson Cancer Center, Houston, Texas, USA
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Tocci P, Roman C, Sestito R, Di Castro V, Sacconi A, Molineris I, Paolini F, Carosi M, Tonon G, Blandino G, Bagnato A. Targeting tumor-stroma communication by blocking endothelin-1 receptors sensitizes high-grade serous ovarian cancer to PARP inhibition. Cell Death Dis 2023; 14:5. [PMID: 36604418 PMCID: PMC9816119 DOI: 10.1038/s41419-022-05538-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 01/07/2023]
Abstract
PARP inhibitors (PARPi) have changed the treatment paradigm of high-grade serous ovarian cancer (HG-SOC). However, the impact of this class of inhibitors in HG-SOC patients with a high rate of TP53 mutations is limited, highlighting the need to develop combinatorial therapeutic strategies to improve responses to PARPi. Here, we unveil how the endothelin-1/ET-1 receptor (ET-1/ET-1R) axis, which is overexpressed in human HG-SOC and associated with poor prognosis, instructs HG-SOC/tumor microenvironment (TME) communication via key pro-malignant factors and restricts the DNA damage response induced by the PARPi olaparib. Mechanistically, the ET-1 axis promotes the p53/YAP/hypoxia inducible factor-1α (HIF-1α) transcription hub connecting HG-SOC cells, endothelial cells and activated fibroblasts, hence fueling persistent DNA damage signal escape. The ET-1R antagonist macitentan, which dismantles the ET-1R-mediated p53/YAP/HIF-1α network, interferes with HG-SOC/stroma interactions that blunt PARPi efficacy. Pharmacological ET-1R inhibition by macitentan in orthotopic HG-SOC patient-derived xenografts synergizes with olaparib to suppress metastatic progression, enhancing PARPi survival benefit. These findings reveal ET-1R as a mechanistic determinant in the regulation of HG-SOC/TME crosstalk and DNA damage response, indicating the use of macitentan in combinatorial treatments with PARPi as a promising and emerging therapy.
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Affiliation(s)
- Piera Tocci
- Preclinical Models and New Therapeutic Agents Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Regina Elena National Cancer Institute, Rome, Italy.
| | - Celia Roman
- Preclinical Models and New Therapeutic Agents Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Regina Elena National Cancer Institute, Rome, Italy
| | - Rosanna Sestito
- Preclinical Models and New Therapeutic Agents Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Regina Elena National Cancer Institute, Rome, Italy
| | - Valeriana Di Castro
- Preclinical Models and New Therapeutic Agents Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Regina Elena National Cancer Institute, Rome, Italy
| | - Andrea Sacconi
- Translational Oncology Research Unit, IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Ivan Molineris
- Department of Life Science and System Biology, University of Turin, Turin, Italy
| | - Francesca Paolini
- Tumor Immunology and Immunotherapy Unit, IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Mariantonia Carosi
- Pathology Unit, IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Giovanni Tonon
- Center for Omics Sciences (COSR) and Functional Genomics of Cancer Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Università Vita-Salute San Raffaele, 20132, Milan, Italy
| | - Giovanni Blandino
- Translational Oncology Research Unit, IRCCS, Regina Elena National Cancer Institute, Rome, Italy
| | - Anna Bagnato
- Preclinical Models and New Therapeutic Agents Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Regina Elena National Cancer Institute, Rome, Italy.
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21
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Pontis F, Roz L, Fortunato O, Bertolini G. The metastatic niche formation: focus on extracellular vesicle-mediated dialogue between lung cancer cells and the microenvironment. Front Oncol 2023; 13:1116783. [PMID: 37207158 PMCID: PMC10189117 DOI: 10.3389/fonc.2023.1116783] [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: 12/05/2022] [Accepted: 04/21/2023] [Indexed: 05/21/2023] Open
Abstract
Lung cancer is the deadliest cancer in the world, with the majority of patients presenting with advanced or metastatic disease at first diagnosis. The lungs are also one of the most common sites of metastasis from lung cancer and other tumors. Understanding the mechanisms that regulate metastasis formation from primary lung cancer and in the lungs is therefore fundamental unmet clinical need. One of the first steps during the establishment of lung cancer metastases includes the formation of the pre-metastatic niche (PMN) at distant organs, which may occur even during the early phases of cancer development. The PMN is established through intricate cross-talk between primary tumor-secreted factors and stromal components at distant sites. Mechanisms controlling primary tumor escape and seeding of distant organs rely on specific properties of tumor cells but are also tightly regulated by interactions with stromal cells at the metastatic niche that finally dictate the success of metastasis establishment. Here, we summarize the mechanisms underlying pre-metastatic niche formation starting from how lung primary tumor cells modulate distant sites through the release of several factors, focusing on Extracellular Vesicles (EVs). In this context, we highlight the role of lung cancer-derived EVs in the modulation of tumor immune escape. Then, we illustrate the complexity of Circulating Tumor Cells (CTCs) that represent the seeds of metastasis and how interactions with stromal and immune cells can help their metastatic dissemination. Finally, we evaluate the contribution of EVs in dictating metastasis development at the PMN through stimulation of proliferation and control of disseminated tumor cell dormancy. Overall, we present an overview of different steps in the lung cancer metastatic cascade, focusing on the EV-mediated interactions between tumor cells and stromal/immune cells.
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22
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Xu F, Chen H, Xu H, Li J, Hao X, Xing P, Ying J, Wang Y. Adjuvant chemotherapy in patients with recurrence after completely resected stage IB lung adenocarcinoma: Propensity-matched analysis in a cohort of 147 recurrences. Thorac Cancer 2022; 13:3105-3113. [PMID: 36104006 PMCID: PMC9663680 DOI: 10.1111/1759-7714.14659] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Adjuvant chemotherapy (ACT) is considered for high-risk patients in stage IB lung adenocarcinoma (LUAD). However, these risk factors are recognized as negative prognostic factors, not as predictors of ACT efficacy. This study aimed to analyze the efficacy of ACT in stage IB patients by retrospectively examining patients who had recurrence. METHODS We reviewed 1399 patients with stage IB (American Joint Committee on Cancer 7th edition) LUAD from 2012 to 2017 in our institution and found 147 patients with recurrence. The last follow-up date was December 30, 2021. One-to-one propensity-score matching (PSM) was used to reduce the potential selection bias. RESULTS Fifty-five (37.4%) patients had received ACT and 92 (62.6%) had not (non-ACT). Patients with ACT were younger (p < 0.001), had larger tumors (p < 0.001) and more lymphovascular invasion (p = 0.02), and seemed to have less distant recurrence (p = 0.001). After PSM, 110 patients were matched and baseline characteristics were balanced. ACT was not associated with improved disease-free survival (DFS) after matching (mDFS = 23.5 m for ACT vs. 29.5 m for non-ACT, p = 0.13). ACT failed to prolong DFS of patients in the extracranial recurrence subgroup and EGFR mutation subgroups, and was even associated with shorter DFS in intracranial relapsed patients (mDFS = 30.3 m vs. 33.5 m, p = 0.083) and patients with tumor ≤30 mm (mDFS = 21.9 m vs. 30.8 m, p = 0.076). CONCLUSION In patients who were destined to develop recurrence after completely resected stage IB LUAD, ACT might not be associated with improved DFS. Further large multicenter studies are warranted to validate these findings.
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Affiliation(s)
- Fei Xu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Heng‐chi Chen
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Haiyan Xu
- Department of Comprehensive Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Junling Li
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Xuezhi Hao
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Puyuan Xing
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Jianming Ying
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Yan Wang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
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23
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Overexpression of hsa_circ_0061817 Can Inhibit the Proliferation and Invasion of Lung Cancer Cells Based on Active Compounds. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022. [DOI: 10.1155/2022/4509019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objective. This study was aimed at investigating the expression level of hsa_circ_0061817 in lung adenocarcinoma cells and its effect on cell proliferation and invasion and the possible mechanism of hsa_circ_0061817 in lung adenocarcinoma. Methods. The overexpression plasmids of hsa_circ_0061817 (OE-hsacirc_0061817) were transfected into human lung A549 cells and mouse LLC-LUC cells, respectively. The cell viability was detected by CCK-8, and the cell proliferation was detected by cell clone formation assay and EdU assay. Transwell test was used to detect the ability of cell invasion, and apoptosis was detected by flow cytometry. WB was applied to determine the expression of apoptosis and epithelial mesenchymal transition- (EMT-) related proteins and also target proteins for observation the effect of OE-hsa_circ_0061817 on the growth of A549 cells in nude mice. Bioinformatics method was used to predict the binding microRNA (miRNA) of hsa_circ_0061817 and construct the regulatory network of competitive endogenous RNA (ceRNA) and functional analysis of miRNA target genes. Results. Compared with PLO-ciR group, the cell viability, proliferation, and invasive ability of A549 and LLC-LUC were significantly reduced in OE-hsa_circ_00061817 group, while the apoptosis increased in OE-hsa_circ_00061817 group compared to PLO-ciR group. WB results showed that the expression of caspase 3, caspase 7, caspase 9, and E-cadherin increased significantly, while the expression levels of vimentin and N-cadherin decreased severely. Most importantly, OE-hsa_circ_00061817 inhibited the growth of A549 tumor-bearing nude mice. According to TargetScan and mirBase databases, hsa_circ_0061817 may competitively bind hsa_mir-181b-3p, hsa-mir-337-3p, hsa-mir-421, and hsa-mir-548d-3p. The results of functional enrichment showed that miRNA target genes were involved in many cancer-related biological processes, including negative regulation of apoptosis, gene expression, transcriptional imbalance in cancer, transforming growth factor-β, and P53 signal pathway. Conclusions. Over expression of hsa_circ_0061817 inhibits the proliferation of lung adenocarcinoma A549 and LLC-LUC cells and may reduce the invasive ability of lung adenocarcinoma cells by weakening the process of EMT, which provides a new target for the prevention and treatment of lung adenocarcinoma.
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