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Bergamaschi L, Zorza M, Rini F, Perrone F, Rivoltini L, Gronchi A, Pasquali S, Zaffaroni N, Vallacchi V, Colombo C. Circulating Tumor DNA in Patients with Desmoid Fibromatosis during Active Surveillance. Ann Surg Oncol 2024:10.1245/s10434-024-16147-2. [PMID: 39244517 DOI: 10.1245/s10434-024-16147-2] [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: 05/28/2024] [Accepted: 08/22/2024] [Indexed: 09/09/2024]
Abstract
BACKGROUND Sporadic desmoid fibromatosis (DF) is a rare locally aggressive tumor characterized by mutation in exon 3 of CTNNB1 (T41A, S45F, and S45P). Standard of care is active surveillance (AS), but 30% require treatment. DF clinical course is unpredictable and identification of prognostic markers is needed to tailor strategy. In this prospective study, we investigated the consistency between mutation detected in tumor biopsies with that detected in plasma by digital droplet PCR (ddPCR) and the association between circulating tumor DNA (ctDNA) abundancy with clinical outcome. PATIENTS AND METHODS A total of 56 patients and 10 healthy donors were included. CTNNB1 mutation status of DF biopsies was determined by Sanger and in case of WT CTNNB1 with NGS. In matched plasma samples at enrollment and during AS at specific timepoints, we evaluated cfDNA quantity and ctDNA. RESULTS ctDNA levels were measured in 46 patients with CTNNB1 mutation. Detection rate for T41A, S45F and S45P was 68%, 42% and 100%, respectively. S45P variant has been detected in all patients with S45P mutation. Longitudinal assessment of ctDNA during AS in nine patients (four with regression and five with progression as first event according to RECIST) showed a concordance between the event and ctDNA level change in six out of nine patients tested (4/5 with progression and 2/4 with regression). CONCLUSIONS Results of ctDNA analysis support its potential clinical implementation as diagnostic tool in specific clinical scenarios where biopsy can be challenging. A prospective clinical trial needs to be performed to evaluate the potential role of ctDNA as predictive biomarker.
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Affiliation(s)
- Laura Bergamaschi
- Translational Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Marta Zorza
- Translational Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Francesca Rini
- Translational Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Federica Perrone
- Department of Advanced Diagnostics, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Licia Rivoltini
- Translational Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Alessandro Gronchi
- Sarcoma Service, Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Sandro Pasquali
- Sarcoma Service, Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
- Molecular Pharmacology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Viviana Vallacchi
- Translational Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Chiara Colombo
- Sarcoma Service, Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.
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Herrero A, Toubert C, Bedoya JU, Assenat E, Guiu B, Panaro F, Bardol T, Cassese G. Management of hepatocellular carcinoma recurrence after liver surgery and thermal ablations: state of the art and future perspectives. Hepatobiliary Surg Nutr 2024; 13:71-88. [PMID: 38322198 PMCID: PMC10839736 DOI: 10.21037/hbsn-22-579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 05/02/2023] [Indexed: 02/08/2024]
Abstract
Despite the improvements in surgical and medical therapy for hepatocellular carcinoma (HCC), recurrence still represents a major issue. Up to 70% of patients can experience HCC recurrence after liver resection (LR), as well as 20% of them even after liver transplantation (LT). The patterns of recurrence are different according to both the time and the location. Similarly, the risk factors and the management can change not only according to these patterns, but also according to the underlying liver condition and to the first treatment performed. Deep knowledge of such correlation is fundamental, since prevention and effective management of recurrence are undoubtedly the most important strategies to improve the outcomes of HCC treatment. Without adjuvant therapy, maintaining very close monitoring during the first 2 years in order to diagnose curable recurrence and continue this monitoring beyond 5 years because late recurrences exist, remains our only possibility today. Surgery represents the cornerstone treatment for HCC, including both LT and LR. However, new interesting therapeutic opportunities are coming from immunotherapy that has shown encouraging results also in the adjuvant setting. In such a complex and evolutionary scenario, the aim of this review is to summarize current strategies for the management of HCC recurrence, focusing on the different possible scenarios, as well as on future perspectives.
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Affiliation(s)
- Astrid Herrero
- Department of HPB Surgery and Liver Transplantation, Saint Eloi Hospital, Montpellier University, Montpellier, France
| | - Cyprien Toubert
- Department of HPB Surgery and Liver Transplantation, Saint Eloi Hospital, Montpellier University, Montpellier, France
| | - Jose Ursic Bedoya
- Department of Hepatology and Liver Transplantation, Saint Eloi Hospital, Montpellier University, Montpellier, France
| | - Eric Assenat
- Department of Digestive Oncology, Saint Eloi Hospital, Montpellier University, Montpellier, France
| | - Boris Guiu
- Department of Radiology, Saint Eloi Hospital, Montpellier University, Montpellier, France
| | - Fabrizio Panaro
- Department of HPB Surgery and Liver Transplantation, Saint Eloi Hospital, Montpellier University, Montpellier, France
| | - Thomas Bardol
- Laboratory of rare human Circulating Cells (LCCRH), University Medical Center of Montpellier, Montpellier, France
| | - Gianluca Cassese
- Division of Minimally Invasive and Robotic HPB Surgery, Department of Clinical Medicine and Surgery, Federico II University Hospital, Naples, Italy
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Shi Y, Feng X, Zhang Y, Gao J, Bao W, Wang J, Bai J. Downregulation of JAM3 occurs in cholangiocarcinoma by hypermethylation: A potential molecular marker for diagnosis and prognosis. J Cell Mol Med 2024; 28:e18038. [PMID: 38124399 PMCID: PMC10826425 DOI: 10.1111/jcmm.18038] [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: 06/13/2023] [Revised: 08/30/2023] [Accepted: 10/30/2023] [Indexed: 12/23/2023] Open
Abstract
Junctional adhesion molecular 3 (JAM3) is downregulated by hypermethylation in cancers but is unclear in cholangiocarcinoma. The JAM3 expression level was checked in cholangiocarcinoma cell lines and tissues. Methylated JAM3 was detected in cell lines, tissues and plasma cell-free DNAs (cfDNA). The roles of JAM3 in cholangiocarcinoma were studied by transfection of siRNA and pCMV3-JAM3. The survival analysis was based on the Gene Set Cancer Analysis (GSCA) database. JAM3 was downregulated in HCCC-9810 and HuCCT1 cell lines and tissues by hypermethylation. Methylated JAM3 was detected in cfDNAs with 53.3% sensitivity and 96.6% specificity. Transfection of pCMV3-JAM3 into HCCC-9810 and HuCCT1 induced apoptosis and suppressed cell proliferation, migration and invasion. The depletion of JAM3 in RBE cells using siRNA decreased apoptosis and increased cell proliferation, migration and invasion. Hypermethylation of JAM3 was associated with tumour differentiation, metastasis and TNM stage. Downregulation and hypermethylation of JAM3 were related to poor progression-free survival. Junctional adhesion molecular 3 may function as a tumour suppressor in cholangiocarcinoma. Methylated JAM3 DNA may represent a non-invasive molecular marker for the early detection of cholangiocarcinoma and prognosis.
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Affiliation(s)
- Yi Shi
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University)NanjingChina
| | - Xiao Feng
- Department of Pathology, Jiangsu Province Hospital of Chinese MedicineAffiliated Hospital of Nanjing University of Chinese MedicineNanjingChina
| | - Ying Zhang
- Department of Pathology, the Affiliated Jinling HospitalNanjing Medical UniversityNanjingChina
| | - Ji Gao
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University)NanjingChina
| | - Wei Bao
- Department of Pathology, the Affiliated Jinling HospitalNanjing Medical UniversityNanjingChina
| | - Jian‐dong Wang
- Department of Pathology, the Affiliated Jinling HospitalNanjing Medical UniversityNanjingChina
| | - Jian‐feng Bai
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University)NanjingChina
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4
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Khalili N, Shooli H, Hosseini N, Fathi Kazerooni A, Familiar A, Bagheri S, Anderson H, Bagley SJ, Nabavizadeh A. Adding Value to Liquid Biopsy for Brain Tumors: The Role of Imaging. Cancers (Basel) 2023; 15:5198. [PMID: 37958372 PMCID: PMC10650848 DOI: 10.3390/cancers15215198] [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: 09/18/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Clinical management in neuro-oncology has changed to an integrative approach that incorporates molecular profiles alongside histopathology and imaging findings. While the World Health Organization (WHO) guideline recommends the genotyping of informative alterations as a routine clinical practice for central nervous system (CNS) tumors, the acquisition of tumor tissue in the CNS is invasive and not always possible. Liquid biopsy is a non-invasive approach that provides the opportunity to capture the complex molecular heterogeneity of the whole tumor through the detection of circulating tumor biomarkers in body fluids, such as blood or cerebrospinal fluid (CSF). Despite all of the advantages, the low abundance of tumor-derived biomarkers, particularly in CNS tumors, as well as their short half-life has limited the application of liquid biopsy in clinical practice. Thus, it is crucial to identify the factors associated with the presence of these biomarkers and explore possible strategies that can increase the shedding of these tumoral components into biological fluids. In this review, we first describe the clinical applications of liquid biopsy in CNS tumors, including its roles in the early detection of recurrence and monitoring of treatment response. We then discuss the utilization of imaging in identifying the factors that affect the detection of circulating biomarkers as well as how image-guided interventions such as focused ultrasound can help enhance the presence of tumor biomarkers through blood-brain barrier (BBB) disruption.
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Affiliation(s)
- Nastaran Khalili
- Center for Data-Driven Discovery in Biomedicine (D3b), Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA; (N.K.); (A.F.K.); (A.F.)
| | - Hossein Shooli
- Department of Radiology, Bushehr University of Medical Sciences, Bushehr 75146-33196, Iran
| | - Nastaran Hosseini
- School of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran;
| | - Anahita Fathi Kazerooni
- Center for Data-Driven Discovery in Biomedicine (D3b), Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA; (N.K.); (A.F.K.); (A.F.)
- AI2D Center for AI and Data Science for Integrated Diagnostics, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ariana Familiar
- Center for Data-Driven Discovery in Biomedicine (D3b), Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA; (N.K.); (A.F.K.); (A.F.)
| | - Sina Bagheri
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (S.B.); (H.A.)
| | - Hannah Anderson
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (S.B.); (H.A.)
| | - Stephen J. Bagley
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
| | - Ali Nabavizadeh
- Center for Data-Driven Discovery in Biomedicine (D3b), Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA; (N.K.); (A.F.K.); (A.F.)
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (S.B.); (H.A.)
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5
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Stanley R, Flanagan S, Reilly DO, Kearney E, Naidoo J, Dowling CM. Immunotherapy through the Lens of Non-Small Cell Lung Cancer. Cancers (Basel) 2023; 15:cancers15112996. [PMID: 37296957 DOI: 10.3390/cancers15112996] [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: 05/09/2023] [Revised: 05/24/2023] [Accepted: 05/28/2023] [Indexed: 06/12/2023] Open
Abstract
Immunotherapy has revolutionised anti-cancer treatment in solid organ malignancies. Specifically, the discovery of CTLA-4 followed by PD-1 in the early 2000s led to the practice-changing clinical development of immune checkpoint inhibitors (ICI). Patients with lung cancer, including both small cell (SCLC) and non-small cell lung cancer (NSCLC), benefit from the most commonly used form of immunotherapy in immune checkpoint inhibitors (ICI), resulting in increased survival and quality of life. In NSCLC, the benefit of ICIs has now extended from advanced NSCLC to earlier stages of disease, resulting in durable benefits and the even the emergence of the word 'cure' in long term responders. However, not all patients respond to immunotherapy, and few patients achieve long-term survival. Patients may also develop immune-related toxicity, a small percentage of which is associated with significant mortality and morbidity. This review article highlights the various types of immunotherapeutic strategies, their modes of action, and the practice-changing clinical trials that have led to the widespread use of immunotherapy, with a focus on ICIs in NSCLC and the current challenges associated with advancing the field of immunotherapy.
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Affiliation(s)
- Robyn Stanley
- School of Medicine, University of Limerick, V94 T9PX Limerick, Ireland
| | - Saoirse Flanagan
- School of Medicine, University of Limerick, V94 T9PX Limerick, Ireland
| | | | - Ella Kearney
- School of Medicine, University of Limerick, V94 T9PX Limerick, Ireland
| | - Jarushka Naidoo
- Beaumont Hospital, D09 V2N0 Dublin, Ireland
- Department of Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland
- Sidney Kimmel Comprehensive Cancer Centre, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Catríona M Dowling
- School of Medicine, University of Limerick, V94 T9PX Limerick, Ireland
- Department of Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland
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6
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Kurma K, Alix-Panabières C. Mechanobiology and survival strategies of circulating tumor cells: a process towards the invasive and metastatic phenotype. Front Cell Dev Biol 2023; 11:1188499. [PMID: 37215087 PMCID: PMC10196185 DOI: 10.3389/fcell.2023.1188499] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 04/18/2023] [Indexed: 05/24/2023] Open
Abstract
Metastatic progression is the deadliest feature of cancer. Cancer cell growth, invasion, intravasation, circulation, arrest/adhesion and extravasation require specific mechanical properties to allow cell survival and the completion of the metastatic cascade. Circulating tumor cells (CTCs) come into contact with the capillary bed during extravasation/intravasation at the beginning of the metastatic cascade. However, CTC mechanobiology and survival strategies in the bloodstream, and specifically in the microcirculation, are not well known. A fraction of CTCs can extravasate and colonize distant areas despite the biomechanical constriction forces that are exerted by the microcirculation and that strongly decrease tumor cell survival. Furthermore, accumulating evidence shows that several CTC adaptations, via molecular factors and interactions with blood components (e.g., immune cells and platelets inside capillaries), may promote metastasis formation. To better understand CTC journey in the microcirculation as part of the metastatic cascade, we reviewed how CTC mechanobiology and interaction with other cell types in the bloodstream help them to survive the harsh conditions in the circulatory system and to metastasize in distant organs.
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Affiliation(s)
- Keerthi Kurma
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, Montpellier, France
- CREEC/CANECEV, MIVEGEC (CREES), University of Montpellier, CNRS, IRD, Montpellier, France
- European Liquid Biopsy Society (E LBS), Hamburg, Germany
| | - Catherine Alix-Panabières
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, Montpellier, France
- CREEC/CANECEV, MIVEGEC (CREES), University of Montpellier, CNRS, IRD, Montpellier, France
- European Liquid Biopsy Society (E LBS), Hamburg, Germany
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7
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Soupir AC, Tian Y, Stewart PA, Nunez-Lopez YO, Manley BJ, Pellini B, Bloomer AM, Zhang J, Mo Q, Marchion DC, Liu M, Koomen JM, Siegel EM, Wang L. Detectable Lipidomes and Metabolomes by Different Plasma Exosome Isolation Methods in Healthy Controls and Patients with Advanced Prostate and Lung Cancer. Int J Mol Sci 2023; 24:1830. [PMID: 36768152 PMCID: PMC9916336 DOI: 10.3390/ijms24031830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/05/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Circulating exosomes in the blood are promising tools for biomarker discovery in cancer. Due to their heterogeneity, different isolation methods may enrich distinct exosome cargos generating different omic profiles. In this study, we evaluated the effects of plasma exosome isolation methods on detectable multi-omic profiles in patients with non-small cell lung cancer (NSCLC), castration-resistant prostate cancer (CRPC), and healthy controls, and developed an algorithm to quantify exosome enrichment. Plasma exosomes were isolated from CRPC (n = 10), NSCLC (n = 14), and healthy controls (n = 10) using three different methods: size exclusion chromatography (SEC), lectin binding, and T-cell immunoglobulin domain and mucin domain-containing protein 4 (TIM4) binding. Molecular profiles were determined by mass spectrometry of extracted exosome fractions. Enrichment analysis of uniquely detected molecules was performed for each method with MetaboAnalyst. The exosome enrichment index (EEI) scores methods based on top differential molecules between patient groups. The lipidomic analysis detected 949 lipids using exosomes from SEC, followed by 246 from lectin binding and 226 from TIM4 binding. The detectable metabolites showed SEC identifying 191 while lectin binding and TIM4 binding identified 100 and 107, respectively. When comparing uniquely detected molecules, different methods showed preferential enrichment of different sets of molecules with SEC enriching the greatest diversity. Compared to controls, SEC identified 28 lipids showing significant difference in NSCLC, while only 1 metabolite in NSCLC and 5 metabolites in CRPC were considered statistically significant (FDR < 0.1). Neither lectin-binding- nor TIM4-binding-derived exosome lipids or metabolites demonstrated significant differences between patient groups. We observed the highest EEI from SEC in lipids (NSCLC: 871.33) which was also noted in metabolites. These results support that the size exclusion method of exosome extraction implemented by SBI captures more heterogeneous exosome populations. In contrast, lectin-binding and TIM4-binding methods bind surface glycans or phosphatidylserine moieties of the exosomes. Overall, these findings suggest that specific isolation methods select subpopulations which may significantly impact cancer biomarker discovery.
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Affiliation(s)
- Alex C. Soupir
- Department of Tumor Biology, Moffitt Cancer Center, Tampa, FL 33612, USA
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Yijun Tian
- Department of Tumor Biology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Paul A. Stewart
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Yury O. Nunez-Lopez
- Advent Health, Translational Research Institute for Metabolism and Diabetes, Orlando, FL 32804, USA
| | - Brandon J. Manley
- Department of Genitourinary Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Bruna Pellini
- Department of Thoracic Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Amanda M. Bloomer
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Jingsong Zhang
- Department of Genitourinary Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Qianxing Mo
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, FL 33612, USA
| | | | - Min Liu
- Proteomics & Metabolomics Core, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - John M. Koomen
- Department of Molecular Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Erin M. Siegel
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Liang Wang
- Department of Tumor Biology, Moffitt Cancer Center, Tampa, FL 33612, USA
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8
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Koulouris A, Tsagkaris C, Corriero AC, Metro G, Mountzios G. Resistance to TKIs in EGFR-Mutated Non-Small Cell Lung Cancer: From Mechanisms to New Therapeutic Strategies. Cancers (Basel) 2022; 14:3337. [PMID: 35884398 PMCID: PMC9320011 DOI: 10.3390/cancers14143337] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/25/2022] [Accepted: 07/06/2022] [Indexed: 02/04/2023] Open
Abstract
Resistance to tyrosine kinase inhibitors (TKIs) of the epidermal growth factor receptor (EGFR) in advanced mutant Non-Small Cell Lung Cancer (NSCLC) constitutes a therapeutic challenge. This review intends to summarize the existing knowledge about the mechanisms of resistance to TKIs in the context of EGFR mutant NSCLC and discuss its clinical and therapeutic implications. EGFR-dependent and independent molecular pathways have the potential to overcome or circumvent the activity of EGFR-targeted agents including the third-generation TKI, osimertinib, negatively impacting clinical outcomes. CNS metastases occur frequently in patients on EGFR-TKIs, due to the inability of first and second-generation agents to overcome both the BBB and the acquired resistance of cancer cells in the CNS. Newer-generation TKIs, TKIs targeting EGFR-independent resistance mechanisms, bispecific antibodies and antibody-drug conjugates or combinations of TKIs with other TKIs or chemotherapy, immunotherapy and Anti-Vascular Endothelial Growth Factors (anti-VEGFs) are currently in use or under investigation in EGFR mutant NSCLC. Liquid biopsies detecting mutant cell-free DNA (cfDNA) provide a window of opportunity to attack mutant clones before they become clinically apparent. Overall, EGFR TKIs-resistant NSCLC constitutes a multifaceted therapeutic challenge. Mapping its underlying mutational landscape, accelerating the detection of resistance mechanisms and diversifying treatment strategies are essential for the management of the disease.
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Affiliation(s)
- Andreas Koulouris
- Thoracic Oncology Center, Theme Cancer, Karolinska University Hospital, 17177 Stockholm, Sweden;
- Faculty of Medicine, University of Crete, 70013 Heraklion, Greece;
| | | | - Anna Chiara Corriero
- School of Medicine, Faculty of Health, Education, Medicine & Social Care, Anglia Ruskin University, Bishop Hall Lane, Chelmsford CM1 1SQ, UK;
| | - Giulio Metro
- Giulio Metro, Medical Oncology, Santa Maria della Misericordia Hospital, Azienda Ospedaliera di Perugia, 06132 Perugia, Italy;
| | - Giannis Mountzios
- Clinical Trials Unit, Fourth Department of Medical Oncology, Henry Dunant Hospital Center, 11526 Athens, Greece
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Nkosi D, Miller CA, Jajosky AN, Oltvai ZN. Incidental discovery of acute myeloid leukemia during liquid biopsy of a lung cancer patient. Cold Spring Harb Mol Case Stud 2022; 8:mcs.a006201. [PMID: 35732498 PMCID: PMC9235846 DOI: 10.1101/mcs.a006201] [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] [Accepted: 04/25/2022] [Indexed: 11/25/2022] Open
Abstract
Liquid biopsy is considered an alternative to standard next-generation sequencing (NGS) of solid tumor samples when biopsy tissue is inadequate for testing or when testing of a peripheral blood sample is preferred. A common assumption of liquid biopsies is that the NGS data obtained on circulating cell-free DNA is a high-fidelity reflection of what would be found by solid tumor testing. Here, we describe a case that challenges this widely held assumption. A patient diagnosed with lung carcinoma showed pathogenic IDH1 and TP53 mutations by liquid biopsy NGS at an outside laboratory. Subsequent in-house NGS of a metastatic lymph node fine-needle aspiration (FNA) sample revealed two pathogenic EGFR mutations. Morphologic and immunophenotypic assessment of the patient's blood sample identified acute myeloid leukemia, with in-house NGS confirming and identifying pathogenic IDH1, TP53, and BCOR mutations, respectively. This case, together with a few similar reports, demonstrates that caution is needed when interpreting liquid biopsy NGS results, especially if they are inconsistent with the presumptive diagnosis. Our case suggests that routine parallel sequencing of peripheral white blood cells would substantially increase the fidelity of the obtained liquid biopsy results.
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Affiliation(s)
- Dingani Nkosi
- Department of Pathology and Laboratory Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA
| | - Caroline A Miller
- Department of Pathology and Laboratory Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA
| | - Audrey N Jajosky
- Department of Pathology and Laboratory Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA
| | - Zoltán N Oltvai
- Department of Pathology and Laboratory Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA
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10
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Circulating cancer biomarkers: current status and future prospects. Cancer Biomark 2022. [DOI: 10.1016/b978-0-12-824302-2.00009-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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