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Zeng Z, Zhu Q. Progress and prospects of biomarker-based targeted therapy and immune checkpoint inhibitors in advanced gastric cancer. Front Oncol 2024; 14:1382183. [PMID: 38947886 PMCID: PMC11211377 DOI: 10.3389/fonc.2024.1382183] [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: 02/05/2024] [Accepted: 05/24/2024] [Indexed: 07/02/2024] Open
Abstract
Gastric cancer and gastroesophageal junction cancer represent the leading cause of tumor-related death worldwide. Although advances in immunotherapy and molecular targeted therapy have expanded treatment options, they have not significantly altered the prognosis for patients with unresectable or metastatic gastric cancer. A minority of patients, particularly those with PD-L1-positive, HER-2-positive, or MSI-high tumors, may benefit more from immune checkpoint inhibitors and/or HER-2-directed therapies in advanced stages. However, for those lacking specific targets and unique molecular features, conventional chemotherapy remains the only recommended effective and durable regimen. In this review, we summarize the roles of various signaling pathways and further investigate the available targets. Then, the current results of phase II/III clinical trials in advanced gastric cancer, along with the superiorities and limitations of the existing biomarkers, are specifically discussed. Finally, we will offer our insights in precision treatment pattern when encountering the substantial challenges.
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Affiliation(s)
| | - Qing Zhu
- Department of Abdominal Oncology, West China Hospital, Sichuan University, Chengdu, China
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2
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Wang B, Wang M, Lin Y, Zhao J, Gu H, Li X. Circulating tumor DNA methylation: a promising clinical tool for cancer diagnosis and management. Clin Chem Lab Med 2024; 0:cclm-2023-1327. [PMID: 38443752 DOI: 10.1515/cclm-2023-1327] [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: 11/23/2023] [Accepted: 02/19/2024] [Indexed: 03/07/2024]
Abstract
Cancer continues to pose significant challenges to the medical community. Early detection, accurate molecular profiling, and adequate assessment of treatment response are critical factors in improving the quality of life and survival of cancer patients. Accumulating evidence shows that circulating tumor DNA (ctDNA) shed by tumors into the peripheral blood preserves the genetic and epigenetic information of primary tumors. Notably, DNA methylation, an essential and stable epigenetic modification, exhibits both cancer- and tissue-specific patterns. As a result, ctDNA methylation has emerged as a promising molecular marker for noninvasive testing in cancer clinics. In this review, we summarize the existing techniques for ctDNA methylation detection, describe the current research status of ctDNA methylation, and present the potential applications of ctDNA-based assays in the clinic. The insights presented in this article could serve as a roadmap for future research and clinical applications of ctDNA methylation.
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Affiliation(s)
- Binliang Wang
- Department of Respiratory Medicine, Huangyan Hospital Affiliated to Wenzhou Medical University, Taizhou, P.R. China
| | - Meng Wang
- Institute of Health Education, Hangzhou Center for Disease Control and Prevention, Hangzhou, P.R. China
| | - Ya Lin
- Zhejiang University of Chinese Medicine, Hangzhou, P.R. China
| | - Jinlan Zhao
- Scientific Research Department, Zhejiang Shengting Medical Company, Hangzhou, P.R. China
| | - Hongcang Gu
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, P.R. China
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Science, Hefei, P.R. China
| | - Xiangjuan Li
- Department of Gynaecology, Hangzhou Obstetrics and Gynecology Hospital, Hangzhou, P.R. China
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Al Naji H, Winter JM, Pedersen SK, Roy A, Byrne SE, Young GP, Symonds EL. Evaluating the Role of Methylated Circulating Tumor DNA in Combination With Pathological Prognostic Factors for Predicting Recurrence of Colorectal Cancer. Biomark Insights 2024; 19:11772719241232870. [PMID: 38426070 PMCID: PMC10903227 DOI: 10.1177/11772719241232870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 01/24/2024] [Indexed: 03/02/2024] Open
Abstract
Background Colorectal cancer (CRC) has a high rate of recurrence, in particular for advanced disease, but prognosis based on staging and pathology at surgery can have limited efficacy. The presence of circulating tumor DNA (ctDNA) at diagnosis could be used to improve the prediction for disease recurrence. Objectives To assess the impact of detecting methylated BCAT1/IKZF1 ctDNA at diagnosis in combination with demographic, lifestyle, clinical factors and tumor pathology, to assess predictive value for recurrence. Design A retrospective cohort study. Methods The cohort included 180 patients (36 with recurrent CRC), who had undergone complete treatment and surveillance for a minimum of 3 years. Participant clinical details and ctDNA methylated BCAT1/IKZF1 results were compared between those with and without recurrence, and cox regression analysis assessed each factor on disease-free survival. Results Clinical factors independently associated with reduced disease-free survival included nodal involvement (HR = 3.83, 95% CI 1.56-9.43, P = .003), M1 stage (HR = 4.41, 95% CI 1.18-16.45, P = .027), a resection margin less than 2 mm (HR = 4.60, 95% CI 1.19-17.76, P = .027), perineural involvement (HR = 2.50, 95% CI 1.01-6.17, P = .047) and distal tumors (HR = 3.13, 95% CI 1.07-9.18, P = .037). Methylated BCAT1/IKZF1 was detected in 51.7% (93/180) of pre-treatment plasma samples. When a positive ctDNA finding was considered in combination with these clinical prognostic factors, there was improved predictive power of recurrence for patients with perineural involvement (HR = 4.44, 95% CI 1.92-10.26, P < .001), and it marginally improved the predictive factor for M1 stage (HR = 7.59, 95% CI 2.30-25.07, P = .001) and distal tumors (HR = 5.04, 95% CI 1.88-13.49, P = .001). Conclusions Nodal invasion, metastatic disease, distal tumor site, low resection margins and perineural invasion were associated with disease recurrence. Pre-treatment methylated ctDNA measurement can improve the predictive value for recurrence in a subset of patients, particularly those with perineural involvement. Registration Australian and New Zealand Clinical Trials Registry #12611000318987.
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Affiliation(s)
- Hiba Al Naji
- Department of Medicine, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
| | - Jean M Winter
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
| | | | - Amitesh Roy
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
- Department of Oncology, Flinders Medical Centre, SALHN, Bedford Park, SA, Australia
| | - Susan E Byrne
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
| | - Graeme P Young
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
| | - Erin L Symonds
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
- Bowel Health Service, Gastroenterology Department, Flinders Medical Centre, SALHN, Bedford Park, SA, Australia
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Ye J, Zhang J, Ding W. DNA methylation modulates epigenetic regulation in colorectal cancer diagnosis, prognosis and precision medicine. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2024; 5:34-53. [PMID: 38464391 PMCID: PMC10918240 DOI: 10.37349/etat.2024.00203] [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: 09/25/2023] [Accepted: 12/11/2023] [Indexed: 03/12/2024] Open
Abstract
Colorectal cancer (CRC) is a multifaceted disease influenced by the interplay of genetic and environmental factors. The clinical heterogeneity of CRC cannot be attributed exclusively to genetic diversity and environmental exposures, and epigenetic markers, especially DNA methylation, play a critical role as key molecular markers of cancer. This review compiles a comprehensive body of evidence underscoring the significant involvement of DNA methylation modifications in the pathogenesis of CRC. Moreover, this review explores the potential utility of DNA methylation in cancer diagnosis, prognostics, assessment of disease activity, and prediction of drug responses. Recognizing the impact of DNA methylation will enhance the ability to identify distinct CRC subtypes, paving the way for personalized treatment strategies and advancing precision medicine in the management of CRC.
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Affiliation(s)
- Jingxin Ye
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
- Department of Gastroenterology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
- Department of Gastroenterology, The Affiliated Suqian Hospital of Xuzhou Medical University, Suqian 223800, Jiangsu Province, China
| | - Jianfeng Zhang
- Department of Gastroenterology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Weifeng Ding
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
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Mens DM, van Rees JM, Wilting SM, Verhoef C. Can we use a simple blood test to reduce unnecessary adverse effects from radiotherapy by timely identification of radiotherapy-resistant rectal cancers? MeD-Seq rectal study protocol. BMC Cancer 2023; 23:1187. [PMID: 38049783 PMCID: PMC10696698 DOI: 10.1186/s12885-023-11671-y] [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: 10/19/2023] [Accepted: 11/23/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND Chemoradiation therapy (CRT) followed by surgery is currently the standard of care to treat patients with locally advanced rectal cancer (LARC). CRT reduces local recurrences, but is associated with significant damage to the surrounding healthy tissue that can severely impact patients quality of life. Additionally, a proportion of patients (hardly) benefit from CRT. We aim to develop a diagnostic innovation, using DNA-methylation, which can enable a more selective and thereby more effective use of the available therapies for rectal cancer patients. METHODS MeD-Seq Rectal is a prospective single centre, observational study. 75 patients diagnosed with rectal cancer and will receive CRT as neoadjuvant treatment are will be included. DNA-methylation profiling will be performed on liquid biopsies to predict pathological response to CRT. DISCUSSION To data no clinical or image-based features were found that predict response to CRT. we hypothesize that DNA methylation patterns in liquid biopsies may provide a promising and patient-friendly strategy to predict CRT resistance upfront. TRIAL REGISTRATION This trial is registered at ClinicalTrials.gov (NCT06035471).
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Affiliation(s)
- D M Mens
- Erasmus MC University Medical Center, Rotterdam, Netherlands.
| | - J M van Rees
- Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - S M Wilting
- Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - C Verhoef
- Erasmus MC University Medical Center, Rotterdam, Netherlands
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Ponomaryova AA, Rykova EY, Solovyova AI, Tarasova AS, Kostromitsky DN, Dobrodeev AY, Afanasiev SA, Cherdyntseva NV. Genomic and Transcriptomic Research in the Discovery and Application of Colorectal Cancer Circulating Markers. Int J Mol Sci 2023; 24:12407. [PMID: 37569782 PMCID: PMC10419249 DOI: 10.3390/ijms241512407] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Colorectal cancer (CRC) is the most frequently occurring malignancy in the world. However, the mortality from CRC can be reduced through early diagnostics, selection of the most effective treatment, observation of the therapy success, and the earliest possible diagnosis of recurrences. A comprehensive analysis of genetic and epigenetic factors contributing to the CRC development is needed to refine diagnostic, therapeutic, and preventive strategies and to ensure appropriate decision making in managing specific CRC cases. The liquid biopsy approach utilizing circulating markers has demonstrated its good performance as a tool to detect the changes in the molecular pathways associated with various cancers. In this review, we attempted to brief the main tendencies in the development of circulating DNA and RNA-based markers in CRC such as cancer-associated DNA mutations, DNA methylation changes, and non-coding RNA expression shifts. Attention is devoted to the existing circulating nucleic acid-based CRC markers, the possibility of their application in clinical practice today, and their future improvement. Approaches to the discovery and verification of new markers are described, and the existing problems and potential solutions for them are highlighted.
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Affiliation(s)
- Anastasia A. Ponomaryova
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Elena Yu. Rykova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Department of Engineering Problems of Ecology, Novosibirsk State Technical University, 630087 Novosibirsk, Russia
| | - Anastasia I. Solovyova
- Department of Biochemistry, Medico-Biological Faculty, Siberian State Medical University, 634050 Tomsk, Russia
| | - Anna S. Tarasova
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Dmitry N. Kostromitsky
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Alexey Yu. Dobrodeev
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Sergey A. Afanasiev
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Nadezhda V. Cherdyntseva
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
- Faculty of Chemistry, National Research Tomsk State University, 634050 Tomsk, Russia
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Mo S, Ye L, Wang D, Han L, Zhou S, Wang H, Dai W, Wang Y, Luo W, Wang R, Xu Y, Cai S, Liu R, Wang Z, Cai G. Early Detection of Molecular Residual Disease and Risk Stratification for Stage I to III Colorectal Cancer via Circulating Tumor DNA Methylation. JAMA Oncol 2023; 9:770-778. [PMID: 37079312 PMCID: PMC10119774 DOI: 10.1001/jamaoncol.2023.0425] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 12/21/2022] [Indexed: 04/21/2023]
Abstract
Importance Detection of molecular residual disease and risk stratification as early as possible may improve the treatment of patients with cancer. Efficient pragmatic tests are therefore required. Objective To measure circulating tumor DNA (ctDNA) with 6 DNA methylation markers in blood samples and to evaluate the association of the presence of ctDNA with colorectal cancer (CRC) recurrence throughout the disease course. Design, Setting, and Participants In this multicenter prospective longitudinal cohort study performed from December 12, 2019, to February 28, 2022, 350 patients with stage I to III CRC were recruited from 2 hospitals for collection of blood samples before and after surgery, during and after adjuvant chemotherapy, and every 3 months for up to 2 years. A multiplex, ctDNA methylation, quantitative polymerase chain reaction assay was used to detect ctDNA in plasma samples. Results A total of 299 patients with stage I to III CRC were evaluated. Of 296 patients with preoperative samples, 232 (78.4%) tested positive for any of the 6 ctDNA methylation markers. A total of 186 patients (62.2%) were male, and the mean (SD) age was 60.1 (10.3) years. At postoperative month 1, ctDNA-positive patients were 17.5 times more likely to relapse than were ctDNA-negative patients (hazard ratio [HR], 17.5; 95% CI, 8.9-34.4; P < .001). The integration of ctDNA and carcinoembryonic antigen tests showed risk stratification for recurrence with an HR of 19.0 (95% CI, 8.9-40.7; P < .001). Furthermore, ctDNA status at postoperative month 1 was strongly associated with prognosis in patients treated with adjuvant chemotherapy of different durations and intensities. After adjuvant chemotherapy, ctDNA-positive patients had a significantly shorter recurrence-free survival than did the ctDNA-negative patients (HR, 13.8; 95% CI, 5.9-32.1; P < .001). Longitudinal ctDNA analysis after the postdefinitive treatment showed a discriminating effect in that ctDNA-positive patients had poorer recurrence-free survival than did the ctDNA-negative patients (HR, 20.6; 95% CI, 9.5-44.9; P < .001). The discriminating effect was enhanced (HR, 68.8; 95% CI, 18.4-257.7; P < .001) when ctDNA status was maintained longitudinally. Postdefinitive treatment analysis detected CRC recurrence earlier than radiologically confirmed recurrence, with a median lead time of 3.3 months (IQR, 0.5-6.5 months). Conclusions and Relevance The findings of this cohort study suggest that longitudinal assessment of ctDNA methylation may enable the early detection of recurrence, potentially optimizing risk stratification and postoperative treatment of patients with CRC.
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Affiliation(s)
- Shaobo Mo
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Li Ye
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Dongyang Wang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Lingyu Han
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Shuang Zhou
- Singlera Genomics (Shanghai) Ltd, Shanghai, China
| | - Hui Wang
- Singlera Genomics (Shanghai) Ltd, Shanghai, China
| | - Weixing Dai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yichao Wang
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wenqin Luo
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Renjie Wang
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Ye Xu
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Sanjun Cai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Rui Liu
- Singlera Genomics (Shanghai) Ltd, Shanghai, China
| | - Zheng Wang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guoxiang Cai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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de Abreu AR, Op de Beeck K, Laurent-Puig P, Taly V, Benhaim L. The Position of Circulating Tumor DNA in the Clinical Management of Colorectal Cancer. Cancers (Basel) 2023; 15:1284. [PMID: 36831626 PMCID: PMC9954551 DOI: 10.3390/cancers15041284] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer type worldwide, with over 1.9 million new cases and 935,000 related deaths in 2020. Within the next decade, the incidence of CRC is estimated to increase by 60% and the mortality by 80%. One of the underlying causes of poor prognosis is late detection, with 60 to 70% of the diagnoses occurring at advanced stages. Circulating cell-free DNA (ccfDNA) is probably the most promising tool for screening, diagnosis, prediction of therapeutic response, and prognosis. More specifically, the analysis of the tumor fraction within the ccfDNA (circulating tumor DNA, ctDNA) has great potential to improve the management of CRC. The present review provides an up-to-date and comprehensive overview of the various aspects related to ctDNA detection in CRC.
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Affiliation(s)
- Ana Regina de Abreu
- Center of Medical Genetics, University of Antwerp and Antwerp University Hospital, Prins Boudewijnlaan 43, 2650 Edegem, Belgium
- Center for Oncological Research, University of Antwerp and Antwerp University Hospital, Wilrijkstraat 10, 2650 Edegem, Belgium
| | - Ken Op de Beeck
- Center of Medical Genetics, University of Antwerp and Antwerp University Hospital, Prins Boudewijnlaan 43, 2650 Edegem, Belgium
- Center for Oncological Research, University of Antwerp and Antwerp University Hospital, Wilrijkstraat 10, 2650 Edegem, Belgium
| | - Pierre Laurent-Puig
- UMR-S1138, CNRS SNC5096, Équipe labélisée Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Université de Paris, 75006 Paris, France
| | - Valerie Taly
- UMR-S1138, CNRS SNC5096, Équipe labélisée Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Université de Paris, 75006 Paris, France
| | - Leonor Benhaim
- UMR-S1138, CNRS SNC5096, Équipe labélisée Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Université de Paris, 75006 Paris, France
- Department of Visceral and Surgical Oncology, Gustave Roussy, Cancer Campus, 114 rue Edouard Vaillant, 94805 Villejuif, France
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Pedersen SK, Symonds EL, Roy AC, Cornthwaite KJ, LaPointe LC, Young GP. Detection of methylated BCAT1 and IKZF1 after curative-intent treatment as a prognostic indicator for colorectal cancer recurrence. Cancer Med 2022; 12:1319-1329. [PMID: 35822405 PMCID: PMC9883422 DOI: 10.1002/cam4.5008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/21/2022] [Accepted: 06/28/2022] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The risk of recurrence after completion of curative-intent treatment of colorectal cancer (CRC) is hard to predict. Post-treatment assaying for circulating tumor DNA (ctDNA) is an encouraging approach for stratifying patients for therapy, but the prognostic value of this approach is less explored. This study aimed to determine if detection of methylated BCAT1 and IKZF1 following completion of initial treatment identified patients with a poorer recurrence-free survival (RFS). METHODS 142 CRC stage I-III cases with at least 2 years of follow up (unless recurrence was evident sooner) and a methylated BCAT1/IKZF1 test result between 2 weeks and 12 months after completion of initial treatment were eligible for study inclusion. The association between BCAT1/IKZF1 and RFS was assessed by the log-rank (Mantel-Cox) method. Cox proportional hazard regression analysis was used for multivariable survival analysis. RESULTS Thirty-three (23.2%) had recurrence at a median 1.6y (interquartile range: 0.8-2.4). Methylated BCAT1/IKZF1 was detected in 19 of the 142 patients (13.4%) and was associated with a significant risk of recurrence (hazard ratio [HR] 5.7, 95%CI: 1.9-17.3, p = 0.002). Three-year RFS for patients with or without detectable methylated BCAT1/IKZF1 was 56.5% and 83.3%, respectively. Multivariable analysis showed that detection of methylated BCAT1/IKZF1 (HR = 2.6, p = 0.049) and site of the primary tumor (HR = 4.2, p = 0.002) were the only significant prognostic indicators of poor RFS. CONCLUSIONS BCAT1/IKZF1 methylation testing after curative-intent treatment is an independent prognostic indicator for RFS and identifies a subgroup at high risk. Personalized surveillance is warranted for patients with these ctDNA biomarkers detectable after curative-intent treatment.
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Affiliation(s)
- Susanne K. Pedersen
- Flinders Health and Medical Research InstituteFlinders UniversitySouth AustraliaAustralia,Clinical Genomics IncNew JerseyUSA
| | - Erin L. Symonds
- Flinders Health and Medical Research InstituteFlinders UniversitySouth AustraliaAustralia,Bowel Health ServiceFlinders Medical CentreSouth AustraliaAustralia
| | - Amitesh C. Roy
- Flinders Health and Medical Research InstituteFlinders UniversitySouth AustraliaAustralia,Department of Medical OncologyFlinders Medical CentreSouth AustraliaAustralia
| | - Kathryn J. Cornthwaite
- Flinders Health and Medical Research InstituteFlinders UniversitySouth AustraliaAustralia
| | | | - Graeme P. Young
- Flinders Health and Medical Research InstituteFlinders UniversitySouth AustraliaAustralia
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10
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Pedersen SK, Musher BL, LaPointe LC, Tuck MK, Symonds EL, Loayza N, Young GP. Detection of recurrent colorectal cancer with high specificity using a reporting threshold for circulating tumor DNA methylated in BCAT1 and IKZF1. Cancer 2022; 128:1921-1928. [PMID: 35290664 DOI: 10.1002/cncr.34159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/18/2022] [Accepted: 02/03/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND A blood assay measuring methylated BCAT1 and IKZF1 can detect recurrent colorectal cancer (CRC) with high sensitivity but suboptimal specificity. This study aimed to establish an upper reference limit (URL) of these biomarkers in a reference population without CRC, apply that threshold to detecting clinical recurrence in patients who had undergone definitive therapy for CRC, and compare the performance of the biomarkers with carcinoembryonic antigen (CEA). METHODS The level of methylation was reported as the aggregate methylated BCAT1 and IKZF1 expressed as a percentage of total plasma DNA. A reference population of patients confirmed to have no colorectal neoplasia (n = 857) was used to determine the URL. Test accuracy for clinical recurrence was determined in a post-treatment surveillance population (n = 549; 77 recurrence cases). RESULTS A methylation level of 0.07%, corresponding to the 98th percentile in the reference population, was set as the URL. In the surveillance population, 60 patients had methylation levels above 0.07%, and 81.7% of these had recurrence. In comparison with no minimum threshold being applied, assay sensitivity with a URL of 0.07% yielded similar sensitivity (63.6% [CI, 51.9%-74.3%] vs 64.9% [CI, 53.8%-74.7%]; P = .87) and higher specificity (97.7% [CI, 95.9%-98.8%] vs 91.3% [CI, 88.4%-93.5%]; P < .001). The BCAT1/IKZF1 test was 2.5-fold more sensitive than CEA for detecting recurrences considered amenable to surgery with curative intent (50.0% vs 20.8%; P = .016). CONCLUSIONS Applying a threshold for positivity to the methylated BCAT1/IKZF1 blood assay improved the specificity for CRC recurrence without compromising sensitivity. Both the sensitivity and the specificity were superior to those of CEA.
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Affiliation(s)
- Susanne K Pedersen
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia.,Clinical Genomics, Inc, Bridgewater, New Jersey
| | - Benjamin L Musher
- Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas
| | - Lawrence C LaPointe
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia.,Clinical Genomics, Inc, Bridgewater, New Jersey
| | | | - Erin L Symonds
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia.,Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | | | - Graeme P Young
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia
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12
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Winter J, Sheehan-Hennessy L, Yao B, Pedersen S, Wassie M, Eaton M, Chong M, Young G, Symonds E. Detection of hypermethylated BCAT1 and IKZF1 DNA in blood and tissues of colorectal, breast and prostate cancer patients. Cancer Biomark 2022; 34:493-503. [DOI: 10.3233/cbm-210399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: Detection of circulating cell-free DNA (ccfDNA) methylated in BCAT1 and IKZF1 is a sensitive for detection of colorectal cancer (CRC), but it is not known if these biomarkers are present in other common adenocarcinomas. OBJECTIVE: Compare methylation levels of BCAT1 and IKZF1 in tissue and plasma from breast, prostate, and colorectal cancer patients. METHODS: Blood was collected from 290 CRC, 32 breast and 101 prostate cancer patients, and 606 cancer-free controls. Tumor and matched normal tissues were collected at surgery: 26 breast, 9 prostate and 15 CRC. DNA methylation in BCAT1 and IKZF1 was measured in blood and tissues. RESULTS: Either biomarker was detected in blood from 175/290 (60.3%) of CRC patients. The detection rate was higher than that measured in controls (48/606 (8.1%), OR = 18.2, 95%CI: 11.1–29.0). The test positivity rates in breast and prostate cancer patients were 9.4% (3/32) and 6.9% (7/101), respectively, and not significantly different to that measured in gender-matched controls (8.0% (33/382) females (OR = 0.84, 95%CI: 0.23–3.1) and 7.6% (26/318) males (OR = 0.86, 95%CI: 0.65–2.1). In tumor and non-neoplastic tissues, 93.5% (14/15) of CRC tumors were methylated in BCAT1 and/or IKZF1 (p< 0.004). Only 11.5% (3/26) and 44.4% (4/9) (p= 0.083) of breast and prostate tumors were hypermethylated in these two genes. CONCLUSIONS: Detection of circulating DNA methylated in BCAT1 and IKZF1 is sensitive and specific for CRC but not breast or prostate cancer.
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Affiliation(s)
- Jean M. Winter
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University of South Australia, Bedford Park, South Australia, Australia
- Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Lorraine Sheehan-Hennessy
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University of South Australia, Bedford Park, South Australia, Australia
- Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Beibei Yao
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University of South Australia, Bedford Park, South Australia, Australia
| | | | - Molla M. Wassie
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University of South Australia, Bedford Park, South Australia, Australia
- Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Michael Eaton
- Flinders Breast Cancer Unit, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Michael Chong
- Urology Services, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Graeme P. Young
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University of South Australia, Bedford Park, South Australia, Australia
| | - Erin L. Symonds
- Cancer Research, Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University of South Australia, Bedford Park, South Australia, Australia
- Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
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Recommendations for a practical implementation of circulating tumor DNA mutation testing in metastatic non-small-cell lung cancer. ESMO Open 2022; 7:100399. [PMID: 35202954 PMCID: PMC8867049 DOI: 10.1016/j.esmoop.2022.100399] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/10/2021] [Accepted: 01/19/2022] [Indexed: 12/17/2022] Open
Abstract
Background Liquid biopsy (LB) is a rapidly evolving diagnostic tool for precision oncology that has recently found its way into routine practice as an adjunct to tissue biopsy (TB). The concept of LB refers to any tumor-derived material, such as circulating tumor DNA (ctDNA) or circulating tumor cells that are detectable in blood. An LB is not limited to the blood and may include other fluids such as cerebrospinal fluid, pleural effusion, and urine, among others. Patients and methods The objective of this paper, devised by international experts from various disciplines, is to review current challenges as well as state-of-the-art applications of ctDNA mutation testing in metastatic non-small-cell lung cancer (NSCLC). We consider pragmatic scenarios for the use of ctDNA from blood plasma to identify actionable targets for therapy selection in NSCLCs. Results Clinical scenarios where ctDNA mutation testing may be implemented in clinical practice include complementary tissue and LB testing to provide the full picture of patients’ actual predictive profiles to identify resistance mechanism (i.e. secondary mutations), and ctDNA mutation testing to assist when a patient has a discordant clinical history and is suspected of showing intertumor or intratumor heterogeneity. ctDNA mutation testing may provide interesting insights into possible targets that may have been missed on the TB. Complementary ctDNA LB testing also provides an option if the tumor location is hard to biopsy or if an insufficient sample was taken. These clinical use cases highlight practical scenarios where ctDNA LB may be considered as a complementary tool to TB analysis. Conclusions Proper implementation of ctDNA LB testing in routine clinical practice is envisioned in the near future. As the clinical evidence of utility expands, the use of LB alongside tissue sample analysis may occur in the patient cases detailed here. LB is a rapidly evolving diagnostic tool that may be an adjunct or an alternative to TB in clinic. Pragmatic scenarios for ctDNA mutation testing to identify actionable targets in NSCLC are explored. ctDNA mutation testing may identify resistance mechanisms, discordant clinical history, and intertumor/intratumor heterogeneity. ctDNA mutation testing may be useful if the tumor location is hard to biopsy or if an insufficient tumor sample was taken. Proper implementation of ctDNA mutation testing in routine clinical practice is envisioned in the near future.
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14
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Symonds EL, Pedersen SK, Yeo B, Al Naji H, Byrne SE, Roy A, Young GP. Assessment of tumor burden and response to therapy in patients with colorectal cancer using a quantitative ctDNA test for methylated BCAT1/IKZF1. Mol Oncol 2022; 16:2031-2041. [PMID: 35000264 PMCID: PMC9120880 DOI: 10.1002/1878-0261.13178] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 11/10/2021] [Accepted: 01/07/2022] [Indexed: 11/22/2022] Open
Abstract
Failure of colorectal cancer (CRC) treatment is due to residual disease, and its timely identification is critical for patient survival. Detecting CRC‐associated mutations in patient circulating cell‐free DNA is confounded by tumor mutation heterogeneity, requiring primary tumor sequencing to identify relevant mutations. In this study, we assessed BCAT1 and IKZF1 methylation levels to quantify circulating tumor DNA (ctDNA) and investigated whether this method can be used to assess tumor burden and efficacy of therapy. In 175 patients with CRC who were ctDNA‐positive pretreatment, ctDNA levels were higher with advancing stage (P < 0.05) and correlated with tumor diameter (r = 0.35, P < 0.001) and volume (r = 0.58, P < 0.01). After completion of treatment (median of 70 days [IQR 49‐109] after surgery, +/− radiotherapy, +/− chemotherapy), ctDNA levels were reduced in 98% (47/48) and were undetectable in 88% (42/48) of patients tested. For those with incomplete adjuvant chemotherapy after surgery, roughly half remained ctDNA‐positive (11/21, 52.4%). The presence of ctDNA after treatment was associated with disease progression (HR 9.7, 95%CI 2.5‐37.6) compared to no ctDNA. Assaying blood for ctDNA methylated in BCAT1/IKZF1 has the potential for identifying residual disease due to treatment failure, informing a potential need for therapy adjustment in advanced disease.
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Affiliation(s)
- Erin L Symonds
- Bowel Health Service, Flinders Medical Centre, Bedford Park, SA.,Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA
| | - Susanne K Pedersen
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA.,Clinical Genomics Pty Ltd, North Ryde
| | - Bernita Yeo
- Department of Medicine, College of Medicine and Public Health, Flinders University, Bedford Park, SA
| | - Hiba Al Naji
- Department of Medicine, College of Medicine and Public Health, Flinders University, Bedford Park, SA
| | - Susan E Byrne
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA
| | - Amitesh Roy
- Department of Oncology, Flinders Medical Centre, Bedford Park, SA
| | - Graeme P Young
- Cancer Research, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA
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15
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Xia R, Cheng Y, Han X, Wei Y, Wei X. Ikaros Proteins in Tumor: Current Perspectives and New Developments. Front Mol Biosci 2021; 8:788440. [PMID: 34950704 PMCID: PMC8689071 DOI: 10.3389/fmolb.2021.788440] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/09/2021] [Indexed: 02/05/2023] Open
Abstract
Ikaros is a zinc finger transcription factor (TF) of the Krüppel family member, which significantly regulates normal lymphopoiesis and tumorigenesis. Ikaros can directly initiate or suppress tumor suppressors or oncogenes, consequently regulating the survival and proliferation of cancer cells. Over recent decades, a series of studies have been devoted to exploring and clarifying the relationship between Ikaros and associated tumors. Therapeutic strategies targeting Ikaros have shown promising therapeutic effects in both pre-clinical and clinical trials. Nevertheless, the increasingly prominent problem of drug resistance targeted to Ikaros and its analog is gradually appearing in our field of vision. This article reviews the role of Ikaros in tumorigenesis, the mechanism of drug resistance, the progress of targeting Ikaros in both pre-clinical and clinical trials, and the potential use of associated therapy in cancer therapy.
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Affiliation(s)
- Ruolan Xia
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Yuan Cheng
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xuejiao Han
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Yuquan Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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16
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Benhaim L, Bouché O, Normand C, Didelot A, Mulot C, Le Corre D, Garrigou S, Djadi-Prat J, Wang-Renault SF, Perez-Toralla K, Pekin D, Poulet G, Landi B, Taieb J, Selvy M, Emile JF, Lecomte T, Blons H, Chatellier G, Link DR, Taly V, Laurent-Puig P. Circulating tumor DNA is a prognostic marker of tumor recurrence in stage II and III colorectal cancer: multicentric, prospective cohort study (ALGECOLS). Eur J Cancer 2021; 159:24-33. [PMID: 34731746 DOI: 10.1016/j.ejca.2021.09.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 08/21/2021] [Accepted: 09/02/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND In non-metastatic colorectal cancer (CRC), we evaluated prospectively the pertinence of longitudinal detection and quantification of circulating tumor DNA (ctDNA) as a prognostic marker of recurrence. METHOD The presence of ctDNA was assessed from plasma collected before and after surgery for 184 patients classified as stage II or III and at each visit during 3-4 years of follow-up. The ctDNA analysis was performed by droplet-based digital polymerase chain reaction, targeting mutation and methylation markers, blindly from the clinical outcomes. Multivariate analyses were adjusted on age, gender, stage, and adjuvant chemotherapy. RESULTS Before surgery, 27.5% of patients were positive for ctDNA detection. The rate of recurrence was 32.7% and 11.6% in patients with or without detectable ctDNA respectively (P = 0.001). Time to recurrence (TTR) was significantly shorter in patients with detectable ctDNA before (adjusted hazard ratio [HR] = 3.58, 95% confidence interval [CI] 1.71-7.47) or immediately after surgery (adjusted HR = 3.22, 95% CI 1.32-7.89). The TTR was significantly shorter in patients with detectable ctDNA during the early postoperative follow-up (1-6 months) (adjusted HR = 5, 95% CI 1.9-12.9). Beyond this period, ctDNA remained a prognostic marker with a median anticipated diagnosis of recurrence of 13.1 weeks (interquartile range 28 weeks) when compared to imaging follow-up. The rate of ctDNA+ might be underestimated knowing that consensus pre-analytical conditions were not described at initiation of the study. CONCLUSION This prospective study confirms the relevance of ctDNA as a recurrence risk factor in stage II and III CRC before surgery and as a marker of minimal residual disease after surgery that may predict recurrence several months before imaging techniques.
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Affiliation(s)
- Leonor Benhaim
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France; Department of Visceral and Surgical Oncology, Gustave Roussy, Villejuif, France,114 Rue Edouard-Vaillant, 94805 Villejuif, France
| | - Olivier Bouché
- Department of Hepatogastroenterology and Digestive Oncology, CHU Reims, 45 Rue Cognacq-Jay, 51092 Reims Cedex, France
| | - Corinne Normand
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Audrey Didelot
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Claire Mulot
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France; CRB Saints-Pères - EPIGENETEC BB-0033-00055, 45 Rue des Saints Pères, 75006 Paris, France
| | - Delphine Le Corre
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Sonia Garrigou
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Juliette Djadi-Prat
- Assistance Publique- Hopitaux de Paris, CIC-EC4 URC, Hopital Universitaire Européen Georges-Pompidou - APHP, 20 R Leblanc, 75015 Paris, France
| | - Shu-Fang Wang-Renault
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Karla Perez-Toralla
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Deniz Pekin
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France
| | - Geoffroy Poulet
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France; Eurofin-Biomnis, 17/19 Avenue Tony Garnier, 69007, Lyon, France
| | - Bruno Landi
- Assistance Publique- Hopitaux de Paris, Department of Oncology, Hopital Universitaire Européen Georges-Pompidou - APHP; Paris Descartes University, 20 R Leblanc, 75015 Paris, France
| | - Julien Taieb
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France; Assistance Publique- Hopitaux de Paris, Department of Oncology, Hopital Universitaire Européen Georges-Pompidou - APHP; Paris Descartes University, 20 R Leblanc, 75015 Paris, France
| | - Marie Selvy
- CHU Clermont Ferrand, 58 Rue Montalembert, 63003 Clermont-Ferrand Cedex 1, France
| | - Jean-Francois Emile
- Assistance Publique- Hopitaux de Paris Department of Pathology, Ambroise-Paré Hospital, Université de Versailles Saint-Quentin-en-Yvelines, 7 Rue Du Parchamp 92100 Boulogne-Billancourt, France
| | - Thierry Lecomte
- Department of Hepatogastroenterology, Tours University Regional Hospital, 49 Bd Béranger, 37044 Tours Cedex 9, France
| | - Helene Blons
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France; Institut Du Cancer PARIS CARPEM, AP-HP, Department of Biology, Hopital Européen Georges-Pompidou, 20 R Leblanc, 75015 Paris, France
| | - Gilles Chatellier
- Assistance Publique- Hopitaux de Paris, CIC-EC4 URC, Hopital Universitaire Européen Georges-Pompidou - APHP, 20 R Leblanc, 75015 Paris, France
| | - Darren R Link
- Bio-Rad Laboratories, Inc., 5731 W Las Positas Blvd, Pleasanton, CA, 94588, United States
| | - Valerie Taly
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France.
| | - Pierre Laurent-Puig
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Equipe Labellisée Ligue Nationale Contre le Cancer, CNRS SNC 5096, 15 Rue de L'école de Médecine, 75006 Paris, France; Institut Du Cancer PARIS CARPEM, AP-HP, Department of Biology, Hopital Européen Georges-Pompidou, 20 R Leblanc, 75015 Paris, France.
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17
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Deger T, Boers RG, de Weerd V, Angus L, van der Put MMJ, Boers JB, Azmani Z, van IJcken WFJ, Grünhagen DJ, van Dessel LF, Lolkema MPJK, Verhoef C, Sleijfer S, Martens JWM, Gribnau J, Wilting SM. High-throughput and affordable genome-wide methylation profiling of circulating cell-free DNA by methylated DNA sequencing (MeD-seq) of LpnPI digested fragments. Clin Epigenetics 2021; 13:196. [PMID: 34670587 PMCID: PMC8529776 DOI: 10.1186/s13148-021-01177-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 09/10/2021] [Indexed: 01/06/2023] Open
Abstract
Background DNA methylation detection in liquid biopsies provides a highly promising and much needed means for real-time monitoring of disease load in advanced cancer patient care. Compared to the often-used somatic mutations, tissue- and cancer-type specific epigenetic marks affect a larger part of the cancer genome and generally have a high penetrance throughout the tumour. Here, we describe the successful application of the recently described MeD-seq assay for genome-wide DNA methylation profiling on cell-free DNA (cfDNA). The compatibility of the MeD-seq assay with different types of blood collection tubes, cfDNA input amounts, cfDNA isolation methods, and vacuum concentration of samples was evaluated using plasma from both metastatic cancer patients and healthy blood donors (HBDs). To investigate the potential value of cfDNA methylation profiling for tumour load monitoring, we profiled paired samples from 8 patients with resectable colorectal liver metastases (CRLM) before and after surgery. Results The MeD-seq assay worked on plasma-derived cfDNA from both EDTA and CellSave blood collection tubes when at least 10 ng of cfDNA was used. From the 3 evaluated cfDNA isolation methods, both the manual QIAamp Circulating Nucleic Acid Kit (Qiagen) and the semi-automated Maxwell® RSC ccfDNA Plasma Kit (Promega) were compatible with MeD-seq analysis, whereas the QiaSymphony DSP Circulating DNA Kit (Qiagen) yielded significantly fewer reads when compared to the QIAamp kit (p < 0.001). Vacuum concentration of samples before MeD-seq analysis was possible with samples in AVE buffer (QIAamp) or water, but yielded inconsistent results for samples in EDTA-containing Maxwell buffer. Principal component analysis showed that pre-surgical samples from CRLM patients were very distinct from HBDs, whereas post-surgical samples were more similar. Several described methylation markers for colorectal cancer monitoring in liquid biopsies showed differential methylation between pre-surgical CRLM samples and HBDs in our data, supporting the validity of our approach. Results for MSC, ITGA4, GRIA4, and EYA4 were validated by quantitative methylation specific PCR. Conclusions The MeD-seq assay provides a promising new method for cfDNA methylation profiling. Potential future applications of the assay include marker discovery specifically for liquid biopsy analysis as well as direct use as a disease load monitoring tool in advanced cancer patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13148-021-01177-4.
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Affiliation(s)
- Teoman Deger
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Ruben G Boers
- Department of Developmental Biology, Erasmus Medical Center, Rotterdam, Netherlands
| | - Vanja de Weerd
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Lindsay Angus
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Marjolijn M J van der Put
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Joachim B Boers
- Department of Developmental Biology, Erasmus Medical Center, Rotterdam, Netherlands
| | - Z Azmani
- Center for Biomics, Erasmus Medical Center, Rotterdam, Netherlands
| | | | - Dirk J Grünhagen
- Department of Oncologic Surgery, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Lisanne F van Dessel
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Martijn P J K Lolkema
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Cornelis Verhoef
- Department of Oncologic Surgery, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Stefan Sleijfer
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - John W M Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Joost Gribnau
- Department of Developmental Biology, Erasmus Medical Center, Rotterdam, Netherlands
| | - Saskia M Wilting
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands.
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Clinical Applications of Minimal Residual Disease Assessments by Tumor-Informed and Tumor-Uninformed Circulating Tumor DNA in Colorectal Cancer. Cancers (Basel) 2021; 13:cancers13184547. [PMID: 34572774 PMCID: PMC8471730 DOI: 10.3390/cancers13184547] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/08/2021] [Accepted: 09/08/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Circulating tumor DNA, or ctDNA, are fragments of tumor DNA that can be detected in the blood of patients with colorectal cancer. Measuring ctDNA levels in the blood has shown the potential to provide important information that can be helpful in the clinical care of patients with colorectal cancer. For example, in patients with colon cancer that has been removed by surgery, measuring ctDNA in the blood can predict the likelihood of cancer recurrence, while in those with metastatic colorectal cancer, measuring ctDNA can inform the clinician whether chemotherapy is effective at earlier timepoints than currently available tests. In this review, we discuss the results from ongoing studies describing the utility of ctDNA measurements across all stages of colorectal cancer. We also discuss the various clinical scenarios that ctDNA may have the most immediate impact in colorectal cancer management. Abstract Emerging data suggest that circulating tumor DNA (ctDNA) can detect colorectal cancer (CRC)-specific signals across both non-metastatic and metastatic settings. With the development of multiple platforms, including tumor-informed and tumor-agnostic ctDNA assays and demonstration of their provocative analytic performance to detect minimal residual disease, there are now ongoing, phase III randomized clinical trials to evaluate their role in the management paradigm of CRC. In this review, we highlight landmark studies that have formed the basis for ongoing studies on the clinically applicability of plasma ctDNA assays in resected, stage I–III CRC and metastatic CRC. We discuss clinical settings by which ctDNA may have the most immediate impact in routine clinical practice. These include the potential for ctDNA to (1) guide surveillance and intensification or de-intensification strategies of adjuvant therapy in resected, stage I–III CRC, (2) predict treatment response to neoadjuvant therapy in locally advanced rectal cancer inclusive of total neoadjuvant therapy (TNT), and (3) predict response to systemic and surgical therapies in metastatic disease. We end by considering clinical variables that can influence our ability to reliably interpret ctDNA dynamics in the clinic.
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19
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Kong C, Fu T. Value of methylation markers in colorectal cancer (Review). Oncol Rep 2021; 46:177. [PMID: 34212989 DOI: 10.3892/or.2021.8128] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/18/2021] [Indexed: 11/05/2022] Open
Abstract
Colorectal cancer (CRC) is a multifactorial and multistage process that occurs due to both genetic and epigenetic variations in normal epithelial cells. Analysis of the CRC epigenome has revealed that almost all CRC types have a large number of abnormally methylated genes. Hypermethylation of cell‑free DNA from CRC in the blood or stool is considered as a potential non‑invasive cancer biomarker, and various methylation markers have shown high sensitivity and specificity. The aim of the present review was to examine potential methylation markers in CRC that have been used or are expected to be used in the clinical setting, focusing on their screening, predictive, prognostic and therapeutic roles in CRC.
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Affiliation(s)
- Can Kong
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Tao Fu
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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20
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Lianidou E. Detection and relevance of epigenetic markers on ctDNA: recent advances and future outlook. Mol Oncol 2021; 15:1683-1700. [PMID: 33942482 PMCID: PMC8169441 DOI: 10.1002/1878-0261.12978] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/24/2021] [Accepted: 04/30/2021] [Indexed: 12/11/2022] Open
Abstract
Liquid biopsy, a minimally invasive approach, is a highly powerful clinical tool for the real-time follow-up of cancer and overcomes many limitations of tissue biopsies. Epigenetic alterations have a high potential to provide a valuable source of innovative biomarkers for cancer, owing to their stability, frequency, and noninvasive accessibility in bodily fluids. Numerous DNA methylation markers are now tested in circulating tumor DNA (ctDNA) as potential biomarkers, in various types of cancer. DNA methylation in combination with liquid biopsy is very powerful in identifying circulating epigenetic biomarkers of clinical importance. Blood-based epigenetic biomarkers have a high potential for early detection of cancer since DNA methylation in plasma can be detected early during cancer pathogenesis. In this review, we summarize the latest findings on DNA methylation markers in ctDNA for early detection, prognosis, minimal residual disease, risk of relapse, treatment selection, and resistance, for breast, prostate, lung, and colorectal cancer.
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Affiliation(s)
- Evi Lianidou
- Analysis of Circulating Tumor CellsLaboratory of Analytical ChemistryDepartment of ChemistryUniversity of AthensGreece
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21
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Zeng Z, Yang B, Liao Z. Biomarkers in Immunotherapy-Based Precision Treatments of Digestive System Tumors. Front Oncol 2021; 11:650481. [PMID: 33777812 PMCID: PMC7991593 DOI: 10.3389/fonc.2021.650481] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/08/2021] [Indexed: 02/05/2023] Open
Abstract
Immunotherapy, represented by immune checkpoint inhibitors (mainly referring to programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1) blockades), derives durable remission and survival benefits for multiple tumor types including digestive system tumors [gastric cancer (GC), colorectal cancer (CRC), and hepatocellular carcinoma (HCC)], particularly those with metastatic or recurrent lesions. Even so, not all patients would respond well to anti-programmed death-1/programmed death-ligand 1 agents (anti-PD-1/PD-L1) in gastrointestinal malignancies, suggesting the need for biomarkers to identify the responders and non-responders, as well as to predict the clinical outcomes. PD-L1expression has increasingly emerged as a potential biomarker when predicting the immunotherapy-based efficacy; but regrettably, PD-L1 alone is not sufficient to differentiate patients. Other molecules, such as tumor mutational burden (TMB), microsatellite instability (MSI), and circulating tumor DNA (ctDNA) as well, are involved in further explorations. Overall, there are not still no perfect or well-established biomarkers in immunotherapy for digestive system tumors at present as a result of the inherent limitations, especially for HCC. Standardizing and harmonizing the assessments of existing biomarkers, and meanwhile, switching to other novel biomarkers are presumably wise and feasible.
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Affiliation(s)
- Zhu Zeng
- Department of Abdominal Oncology, West China Medical School, West China Hospital, Sichuan University, Chengdu, China
| | - Biao Yang
- Department of Gastroenterology, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Zhengyin Liao
- Department of Abdominal Oncology, West China Medical School, West China Hospital, Sichuan University, Chengdu, China
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22
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Laugsand EA, Brenne SS, Skorpen F. DNA methylation markers detected in blood, stool, urine, and tissue in colorectal cancer: a systematic review of paired samples. Int J Colorectal Dis 2021; 36:239-251. [PMID: 33030559 PMCID: PMC7801356 DOI: 10.1007/s00384-020-03757-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/17/2020] [Indexed: 02/04/2023]
Abstract
PURPOSE Methylated cell-free DNA in liquid biopsies are promising non-invasive biomarkers for colorectal cancer (CRC). Optimal markers would have high sensitivity and specificity for early detection of CRC and could be detected in more than one type of material from the patient. We systematically reviewed the literature on DNA methylation markers of colorectal cancer, detected in more than one type of material, regarding their potential as contributors to a panel for screening and follow-up of CRC. METHODS The databases MEDLINE, Web of Science, and Embase were systematically searched. Data extraction and review was performed by two authors independently. Agreement between methylation status in tissue and other materials (blood/stool/urine) was analyzed using the McNemar test and Cohen's kappa. RESULTS From the 51 included studies, we identified seven single markers with sensitivity ≥ 75% and specificity ≥ 90% for CRC. We also identified one promising plasma panel and two stool panels. The correspondence of methylation status was evaluated as very good for four markers, but only marginal for most of the other markers investigated (12 of 21). CONCLUSION The included studies reported only some of the variables and markers of interest and included few patients. Hence, a meta-analysis was not possible at this point. Larger, prospective studies must be designed to study the discordant detection of markers in tissue and liquid biopsies. When reporting their findings, such studies should use a standardized format.
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Affiliation(s)
- Eivor Alette Laugsand
- Department of Surgery, Levanger Hospital, Nord-Trøndelag Hospital trust, N-7600, Levanger, Norway.
- Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), N-7491, Trondheim, Norway.
| | - Siv Sellæg Brenne
- Department of Surgery, Levanger Hospital, Nord-Trøndelag Hospital trust, N-7600, Levanger, Norway
- Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), N-7491, Trondheim, Norway
| | - Frank Skorpen
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), N-7491, Trondheim, Norway
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23
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Danstrup CS, Marcussen M, Pedersen IS, Jacobsen H, Dybkær K, Gaihede M. DNA methylation biomarkers in peripheral blood of patients with head and neck squamous cell carcinomas. A systematic review. PLoS One 2020; 15:e0244101. [PMID: 33332423 PMCID: PMC7746174 DOI: 10.1371/journal.pone.0244101] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 12/02/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Head and neck squamous cell carcinomas (HNSCC) are often diagnosed in advanced stages. In search of new diagnostic tools, focus has shifted towards the biological properties of the HNSCC, and the number of different biomarkers under investigation is rapidly growing. OBJECTIVES The objective was to review the current literature regarding aberrantly methylated DNA found in peripheral blood plasma or serum in patients with HNSCC and to evaluate the diagnostic accuracy of these changes. METHODS The inclusion criteria were clinical studies involving patients with verified HNSCC that reported findings of aberrantly methylated DNA in peripheral blood serum or plasma. We systematically searched PubMed, OVID Embase and Cochrane Library. In addition to the search, we performed forward and backward chaining in references and Web of Science. The protocol was registered in PROSPERO: CRD42019135406. Two authors independently extracted data. The quality and the risk of bias of the included studies were assessed by the QUADAS-2 tool. RESULTS A total of 1,743 studies were found eligible for screening, while ultimately seven studies were included. All studies were found to have methodological weaknesses, mainly concerning patient selection bias. The best individual marker of HNSCC was Septin 9 in plasma with a sensitivity of 57% and a specificity of 95%. CONCLUSIONS None of the aberrantly methylated genes found in the retrieved studies are applicable as single diagnostic markers for HNSCC and the best gene-panels still lack diagnostic accuracy. Future studies may benefit from newer sequencing techniques but validation studies with well-designed cohorts are also needed in the process of developing epigenetic based diagnostic tests for HNSCC.
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Affiliation(s)
- Christian Sander Danstrup
- Department of Otorhinolaryngology–Head & Neck Surgery and Audiology, Aalborg University Hospital, Aalborg, Denmark
- Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
| | - Mette Marcussen
- Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
| | - Inge Søkilde Pedersen
- Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
- Department of Molecular Diagnostics, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Henrik Jacobsen
- Department of Otorhinolaryngology–Head & Neck Surgery and Audiology, Aalborg University Hospital, Aalborg, Denmark
| | - Karen Dybkær
- Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
- Department of Hematology, Aalborg University Hospital, Aalborg, Denmark
| | - Michael Gaihede
- Department of Otorhinolaryngology–Head & Neck Surgery and Audiology, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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24
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Bresalier RS, Grady WM, Markowitz SD, Nielsen HJ, Batra SK, Lampe PD. Biomarkers for Early Detection of Colorectal Cancer: The Early Detection Research Network, a Framework for Clinical Translation. Cancer Epidemiol Biomarkers Prev 2020; 29:2431-2440. [PMID: 32299850 PMCID: PMC7572434 DOI: 10.1158/1055-9965.epi-20-0234] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 02/26/2020] [Accepted: 04/09/2020] [Indexed: 12/26/2022] Open
Abstract
Early detection by screening significantly reduces mortality from colorectal cancer, but 40% of guideline-eligible patients are not screened as recommended in the United States. Novel strategies to improve screening uptake overall and efforts to deploy best practices to underserved populations are a high priority for health care. This review focuses on existing biomarkers in practice and those in development with clinical relevance to early detection of colorectal neoplasia, with an emphasis on those developed by investigators of the NCI's Early Detection Research Network. Aberrantly methylated DNA markers (blood and stool), stool-based markers (including fecal immunochemical test-DNA), and a variety of blood-based marker assays in development (protein markers, glycoproteins including mucins, and cell-free DNA tests) are reviewed. Individual markers and biomarker panels, sample resources, and barriers to translating biomarkers to clinical practice are discussed.See all articles in this CEBP Focus section, "NCI Early Detection Research Network: Making Cancer Detection Possible."
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Affiliation(s)
- Robert S Bresalier
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, Texas.
| | - William M Grady
- Clinical Research Division, Fred Hutchinson Cancer Research Center and the Department of Medicine, Division of Gastroenterology, University of Washington School of Medicine, Seattle, Washington
| | - Sanford D Markowitz
- Case Comprehensive Cancer Center and the Division of Hematology-Oncology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Hans Jørgen Nielsen
- Department of Surgical Gastroenterology, Hvidovre Hospital, Hvidovre, Denmark
- The Institute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, Omaha, Nebraska
| | - Paul D Lampe
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
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25
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Musher BL, Melson JE, Amato G, Chan D, Hill M, Khan I, Kochuparambil ST, Lyons SE, Orsini J, Pedersen SK, Robb B, Saltzman J, Silinsky J, Gaur S, Tuck MK, LaPointe LC, Young GP. Evaluation of Circulating Tumor DNA for Methylated BCAT1 and IKZF1 to Detect Recurrence of Stage II/Stage III Colorectal Cancer (CRC). Cancer Epidemiol Biomarkers Prev 2020; 29:2702-2709. [DOI: 10.1158/1055-9965.epi-20-0574] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/27/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022] Open
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26
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Wang B, Wu S, Huang F, Shen M, Jiang H, Yu Y, Yu Q, Yang Y, Zhao Y, Zhou Y, Pan B, Liu T, Guo W. Analytical and clinical validation of a novel amplicon-based NGS assay for the evaluation of circulating tumor DNA in metastatic colorectal cancer patients. Clin Chem Lab Med 2020; 57:1501-1510. [PMID: 31339850 DOI: 10.1515/cclm-2019-0142] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 06/25/2019] [Indexed: 12/16/2022]
Abstract
Background Evaluating the tumor RAS/BRAF status is important for treatment selection and prognosis assessment in metastatic colorectal cancer (mCRC) patients. Correction of artifacts from library preparation and sequencing is essential for accurately analyzing circulating tumor DNA (ctDNA) mutations. Here, we assessed the analytical and clinical performance of a novel amplicon-based next-generation sequencing (NGS) assay, Firefly™, which employs a concatemer-based error correction strategy. Methods Firefly assay targeting KRAS/NRAS/BRAF/PIK3CA was evaluated using cell-free DNA (cfDNA) reference standards and cfDNA samples from 184 mCRC patients. Plasma results were compared to the mutation status determined by ARMS-based PCR from matched tissue. Samples with a mutation abundance below the limit of detection (LOD) were retested again by droplet digital polymerase chain reaction (ddPCR) or NGS. Results The Firefly assay demonstrated superior sensitivity and specificity with a 98.89% detection rate at an allele frequency (AF) of 0.2% for 20 ng cfDNA. Generally, 40.76% and 48.37% of the patients were reported to be positive by NGS of plasma cfDNA and ARMS of FFPE tissue, respectively. The concordance rate between the two platforms was 80.11%. In the pre-treatment cohort, the concordance rate between plasma and tissue was 93.33%, based on the 17 common exons that Firefly™ and ARMS genotyped, and the positive percent agreement (PPA) and negative percent agreement (NPA) for KRAS/NRAS/BRAF/PIK3CA were 100% and 99.60%, respectively. Conclusions Total plasma cfDNA detected by Firefly offers a viable complement for mutation profiling in CRC patients, given the high agreement with matched tumor samples. Together, these data demonstrate that Firefly could be routinely applied for clinical applications in mCRC patients.
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Affiliation(s)
- Beili Wang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Shengchao Wu
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Fei Huang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Minna Shen
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Huiqin Jiang
- Department of Medical Oncology, Center of Evidence Based Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Yiyi Yu
- Department of Medical Oncology, Center of Evidence Based Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Qian Yu
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Yihui Yang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Ying Zhao
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Yiwen Zhou
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Baishen Pan
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Tianshu Liu
- Department of Medical Oncology, Center of Evidence Based Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Wei Guo
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
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27
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Dang Y, Hu D, Xu J, Li C, Tang Y, Yang Z, Liu Y, Zhou W, Zhang L, Xu H, Xu Y, Ji G. Comprehensive analysis of 5-hydroxymethylcytosine in zw10 kinetochore protein as a promising biomarker for screening and diagnosis of early colorectal cancer. Clin Transl Med 2020; 10:e125. [PMID: 32628818 PMCID: PMC7418801 DOI: 10.1002/ctm2.125] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND As a new epigenetic biomarker, 5-hydroxymethylcytosine (5hmC) is broadly involved in various diseases including cancers. However, the function and diagnostic performance of 5hmC in colorectal cancer (CRC) remain unclear. RESULTS High-throughput sequencing was used to profile 5hmC levels in adjacent normal colon, advanced adenomas, and CRC. The expression and 5hmC levels in zw10 kinetochore protein (ZW10) were significantly increased in the tissues and blood samples for patients with advanced adenoma and CRC, and were much higher in the early stages of CRC (I and II). The receiver operating characteristic analysis had potential diagnostic value for CRC. The area under the curve (AUC) of ZW10 5hmC levels in tissue samples of CRC was 0.901. In blood samples, the AUC was 0.748 for CRC. In addition, the ZW10 5hmC level had much higher diagnostic performance in early stages of CRC (AUC = 0.857) than it did in advanced stages (AUC = 0.594). Compared with FHC cell, ZW10 expression in HT29 cell was significantly increased. The ZW10 knockdown could inhibit cell proliferation and the ZW10 overexpression could promote cell proliferation in HT-29 cell. Furthermore, ZW10 knockdown inhibited AKT and mTOR phosphorylation, and ZW10 overexpression promoted AKT and mTOR phosphorylation. CONCLUSIONS The ZW10 5hmC level may serve as an effective epigenetic biomarker for minimally invasive screening and diagnosis of CRC, and it has higher diagnostic performance in early stages of CRC than it does in advanced stages. In addition, ZW10 could regulate CRC progression through the AKT-mTOR signaling.
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Affiliation(s)
- Yanqi Dang
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Dan Hu
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
- Department of Traditional Chinese MedicineSeventh People's Hospital of Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Jingjuan Xu
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Chunlin Li
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Yingjue Tang
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Zhenhua Yang
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
- Digestive Endoscopy DepartmentLonghua HospitalShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Yang Liu
- Department of General SurgeryLonghua HospitalShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Wenjun Zhou
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Li Zhang
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Hanchen Xu
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Yangxian Xu
- Department of General SurgeryLonghua HospitalShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Guang Ji
- Institute of Digestive DiseasesLonghua HospitalChina‐Canada Center of Research for Digestive Diseases (ccCRDD)Shanghai University of Traditional Chinese MedicineShanghaiChina
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28
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Constâncio V, Nunes SP, Henrique R, Jerónimo C. DNA Methylation-Based Testing in Liquid Biopsies as Detection and Prognostic Biomarkers for the Four Major Cancer Types. Cells 2020; 9:E624. [PMID: 32150897 PMCID: PMC7140532 DOI: 10.3390/cells9030624] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/01/2020] [Accepted: 03/02/2020] [Indexed: 12/11/2022] Open
Abstract
Lung, breast, colorectal, and prostate cancers are the most incident worldwide. Optimal population-based cancer screening methods remain an unmet need, since cancer detection at early stages increases the prospects of successful and curative treatment, leading to a lower incidence of recurrences. Moreover, the current parameters for cancer patients' stratification have been associated with divergent outcomes. Therefore, new biomarkers that could aid in cancer detection and prognosis, preferably detected by minimally invasive methods are of major importance. Aberrant DNA methylation is an early event in cancer development and may be detected in circulating cell-free DNA (ccfDNA), constituting a valuable cancer biomarker. Furthermore, DNA methylation is a stable alteration that can be easily and rapidly quantified by methylation-specific PCR methods. Thus, the main goal of this review is to provide an overview of the most important studies that report methylation biomarkers for the detection and prognosis of the four major cancers after a critical analysis of the available literature. DNA methylation-based biomarkers show promise for cancer detection and management, with some studies describing a "PanCancer" detection approach for the simultaneous detection of several cancer types. Nonetheless, DNA methylation biomarkers still lack large-scale validation, precluding implementation in clinical practice.
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Affiliation(s)
- Vera Constâncio
- Cancer Biology & Epigenetics Group—Research Center, Portuguese Oncology Institute of Porto (CI-IPOP), 4200-072 Porto, Portugal; (V.C.); (S.P.N.); (R.H.)
- Master in Oncology, Institute of Biomedical Sciences Abel Salazar, University of Porto (ICBAS-UP), 4050-313 Porto, Portugal
| | - Sandra P. Nunes
- Cancer Biology & Epigenetics Group—Research Center, Portuguese Oncology Institute of Porto (CI-IPOP), 4200-072 Porto, Portugal; (V.C.); (S.P.N.); (R.H.)
| | - Rui Henrique
- Cancer Biology & Epigenetics Group—Research Center, Portuguese Oncology Institute of Porto (CI-IPOP), 4200-072 Porto, Portugal; (V.C.); (S.P.N.); (R.H.)
- Department of Pathology, Portuguese Oncology Institute of Porto, 4200-072 Porto, Portugal
- Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar–University of Porto (ICBAS-UP), 4050-313 Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology & Epigenetics Group—Research Center, Portuguese Oncology Institute of Porto (CI-IPOP), 4200-072 Porto, Portugal; (V.C.); (S.P.N.); (R.H.)
- Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar–University of Porto (ICBAS-UP), 4050-313 Porto, Portugal
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29
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To YH, Lee M, Gibbs P, Tie J. Circulating tumour DNA in early stage colorectal cancer: can blood tell all? ANNALS OF TRANSLATIONAL MEDICINE 2020; 7:S358. [PMID: 32016076 DOI: 10.21037/atm.2019.09.55] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yat Hang To
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Margaret Lee
- Division of Systems Biology and Personalised Medicine, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Oncology, Western Health, Victoria, Australia.,Department of Medical Oncology, Eastern Health, Victoria, Australia
| | - Peter Gibbs
- Division of Systems Biology and Personalised Medicine, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Oncology, Western Health, Victoria, Australia.,Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Victoria, Australia
| | - Jeanne Tie
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.,Division of Systems Biology and Personalised Medicine, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Oncology, Western Health, Victoria, Australia.,Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Victoria, Australia
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30
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Symonds EL, Pedersen SK, Murray D, Byrne SE, Roy A, Karapetis C, Hollington P, Rabbitt P, Jones FS, LaPointe L, Segelov E, Young GP. Circulating epigenetic biomarkers for detection of recurrent colorectal cancer. Cancer 2020; 126:1460-1469. [PMID: 31909823 PMCID: PMC7155014 DOI: 10.1002/cncr.32695] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 11/08/2019] [Accepted: 11/24/2019] [Indexed: 12/12/2022]
Abstract
Background The sensitive detection of recurrent colorectal cancer (CRC) by the measurement of circulating tumor DNA (ctDNA) might improve the chance of a cure. This study compared a quantitative methylated ctDNA test with carcinoembryonic antigen (CEA) in the setting of surveillance for recurrence. Methods Blood samples collected either during surveillance or within 12 months of the confirmation of recurrence were assayed for ctDNA (methylated branched‐chain amino acid transaminase 1 [BCAT1]/Ikaros family zinc‐finger 1 protein [IKZF1]) and CEA. The optimal ctDNA threshold was determined by receiver operating characteristic analysis, and the test performance for the detection of recurrence was compared with CEA (5 ng/mL threshold). Results The study cohort comprised 144 eligible patients and included 50 recurrence events. The sensitivity of the methylated ctDNA test for recurrence was 66.0% (95% confidence interval [CI], 57.1%‐69.3%), which was significantly higher than the sensitivity of CEA (31.9%; 95% CI, 22.8%‐36.6%; P < .001). The sensitivity for resectable recurrence (n = 20) was also higher (ctDNA, 60.0%; CEA, 20.0%; P = .01). The specificity did not differ between the tests (ctDNA, 97.9%; 95% CI, 93.2%‐99.6%; CEA, 96.4%; 95% CI, 91.4%‐99.0%). When adjustments were made for other predictors of the presence of recurrence, a positive ctDNA test was an independent predictor (odds ratio, 155.7; 95% CI, 17.9‐1360.6; P < .001), whereas CEA was not (odds ratio, 2.5; 95% CI, 0.3‐20.6; P = .407). Conclusions The quantitative ctDNA test showed superior sensitivity in comparison with CEA without a difference in the specificity for detecting recurrent CRC. Longitudinal studies are warranted to further assess the utility (specifically the survival benefit) of methylated BCAT1/IKZF1 ctDNA in the surveillance of patients with CRC. An optimal positivity threshold has been determined for an epigenetic circulating tumor DNA panel of biomarkers (methylated BCAT1 and IKZF1), and it has been applied to investigating the panel's utility in the detection of colorectal cancer recurrence. The sensitivity of the circulating tumor DNA test is superior to that of the clinically used carcinoembryonic antigen test for all recurrences (66% vs 32%) and those considered curable (60% vs 20%), with both tests having a very high specificity (98% vs 96%).
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Affiliation(s)
- Erin L Symonds
- Flinders Centre for Innovation in Cancer, Flinders University, Bedford Park, South Australia, Australia.,Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | | | - David Murray
- Clinical Genomics Pty, Ltd, North Ryde, New South Wales, Australia
| | - Susan E Byrne
- Flinders Centre for Innovation in Cancer, Flinders University, Bedford Park, South Australia, Australia
| | - Amitesh Roy
- Flinders Centre for Innovation in Cancer, Flinders University, Bedford Park, South Australia, Australia.,Department of Oncology, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Christos Karapetis
- Flinders Centre for Innovation in Cancer, Flinders University, Bedford Park, South Australia, Australia.,Department of Oncology, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Paul Hollington
- Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Philippa Rabbitt
- Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | | | | | - Eva Segelov
- Department of Medicine, School of Clinical Sciences, Monash Health, Melbourne, Victoria, Australia.,Translational Oncology Research Laboratory, Monash University, Melbourne, Victoria, Australia
| | - Graeme P Young
- Flinders Centre for Innovation in Cancer, Flinders University, Bedford Park, South Australia, Australia
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Reece M, Saluja H, Hollington P, Karapetis CS, Vatandoust S, Young GP, Symonds EL. The Use of Circulating Tumor DNA to Monitor and Predict Response to Treatment in Colorectal Cancer. Front Genet 2019; 10:1118. [PMID: 31824558 PMCID: PMC6881479 DOI: 10.3389/fgene.2019.01118] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 10/16/2019] [Indexed: 12/20/2022] Open
Abstract
Background: Colorectal cancer is one of the most common cancers worldwide and has a high mortality rate following disease recurrence. Treatment efficacy is maximized by providing tailored cancer treatment, ideally involving surgical resection and personalized neoadjuvant and adjuvant therapies, including chemotherapy, radiotherapy and increasingly, targeted therapy. Early detection of recurrence or disease progression results in more treatable disease and is essential to improving survival outcomes. Recent advances in the understanding of tumor genetics have resulted in the discovery of circulating tumor DNA (ctDNA). A growing body of evidence supports the use of these sensitive biomarkers in detecting residual disease and diagnosing recurrence as well as enabling targeted and tumor-specific adjuvant therapies. Methods: A literature search in Pubmed was performed to identify all original articles preceding April 2019 that utilize ctDNA for the purpose of monitoring response to colorectal cancer treatment. Results: Ninety-two clinical studies were included. These studies demonstrate that ctDNA is a reliable measure of tumor burden. Studies show the utility of ctDNA in assessing the adequacy of surgical tumor clearance and changes in ctDNA levels reflect response to systemic treatments. ctDNA can be used in the selection of targeted treatments. The reappearance or increase in ctDNA, as well as the emergence of new mutations, correlates with disease recurrence, progression, and resistance to therapy, with ctDNA measurement allowing more sensitive monitoring than currently used clinical tools. Conclusions: ctDNA shows enormous promise as a sensitive biomarker for monitoring response to many treatment modalities and for targeting therapy. Thus, it is emerging as a new way for guiding treatment decisions-initiating, altering, and ceasing treatments, or prompting investigation into the potential for residual disease. However, many potentially useful ctDNA markers are available and more work is needed to determine which are best suited for specific purposes and for improving specific outcomes.
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Affiliation(s)
- Mifanwy Reece
- Colorectal Surgery, Division of Surgery & Perioperative Medicine, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Hariti Saluja
- Department of Medicine, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia.,Flinders Centre for Innovation in Cancer, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
| | - Paul Hollington
- Colorectal Surgery, Division of Surgery & Perioperative Medicine, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Christos S Karapetis
- Flinders Centre for Innovation in Cancer, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia.,Department of Medical Oncology, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Sina Vatandoust
- Department of Medical Oncology, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Graeme P Young
- Flinders Centre for Innovation in Cancer, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia
| | - Erin L Symonds
- Flinders Centre for Innovation in Cancer, College of Medicine and Public Health, Flinders University, Bedford Park, SA, Australia.,Bowel Health Service, Flinders Medical Centre, Bedford Park, SA, Australia
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Locke WJ, Guanzon D, Ma C, Liew YJ, Duesing KR, Fung KYC, Ross JP. DNA Methylation Cancer Biomarkers: Translation to the Clinic. Front Genet 2019; 10:1150. [PMID: 31803237 PMCID: PMC6870840 DOI: 10.3389/fgene.2019.01150] [Citation(s) in RCA: 250] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 10/22/2019] [Indexed: 12/23/2022] Open
Abstract
Carcinogenesis is accompanied by widespread DNA methylation changes within the cell. These changes are characterized by a globally hypomethylated genome with focal hypermethylation of numerous 5’-cytosine-phosphate-guanine-3’ (CpG) islands, often spanning gene promoters and first exons. Many of these epigenetic changes occur early in tumorigenesis and are highly pervasive across a tumor type. This allows DNA methylation cancer biomarkers to be suitable for early detection and also to have utility across a range of areas relevant to cancer detection and treatment. Such tests are also simple in construction, as only one or a few loci need to be targeted for good test coverage. These properties make cancer-associated DNA methylation changes very attractive for development of cancer biomarker tests with substantive clinical utility. Across the patient journey from initial detection, to treatment and then monitoring, there are several points where DNA methylation assays can inform clinical practice. Assays on surgically removed tumor tissue are useful to determine indicators of treatment resistance, prognostication of outcome, or to molecularly characterize, classify, and determine the tissue of origin of a tumor. Cancer-associated DNA methylation changes can also be detected with accuracy in the cell-free DNA present in blood, stool, urine, and other biosamples. Such tests hold great promise for the development of simple, economical, and highly specific cancer detection tests suitable for population-wide screening, with several successfully translated examples already. The ability of circulating tumor DNA liquid biopsy assays to monitor cancer in situ also allows for the ability to monitor response to therapy, to detect minimal residual disease and as an early biomarker for cancer recurrence. This review will summarize existing DNA methylation cancer biomarkers used in clinical practice across the application domains above, discuss what makes a suitable DNA methylation cancer biomarker, and identify barriers to translation. We discuss technical factors such as the analytical performance and product-market fit, factors that contribute to successful downstream investment, including geography, and how this impacts intellectual property, regulatory hurdles, and the future of the marketplace and healthcare system.
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Affiliation(s)
- Warwick J Locke
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia.,Probing Biosystems Future Science Platform, CSIRO Health and Biosecurity, Canberra, ACT, Australia
| | - Dominic Guanzon
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia.,Probing Biosystems Future Science Platform, CSIRO Health and Biosecurity, Canberra, ACT, Australia
| | - Chenkai Ma
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia
| | - Yi Jin Liew
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia.,Probing Biosystems Future Science Platform, CSIRO Health and Biosecurity, Canberra, ACT, Australia
| | - Konsta R Duesing
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia
| | - Kim Y C Fung
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia.,Probing Biosystems Future Science Platform, CSIRO Health and Biosecurity, Canberra, ACT, Australia
| | - Jason P Ross
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, NSW, Australia.,Probing Biosystems Future Science Platform, CSIRO Health and Biosecurity, Canberra, ACT, Australia
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Diagnostic and Prognostic Value of B4GALT1 Hypermethylation and Its Clinical Significance as a Novel Circulating Cell-Free DNA Biomarker in Colorectal Cancer. Cancers (Basel) 2019; 11:cancers11101598. [PMID: 31635093 PMCID: PMC6826707 DOI: 10.3390/cancers11101598] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/10/2019] [Accepted: 10/17/2019] [Indexed: 12/24/2022] Open
Abstract
Epigenetic modifications of glyco-genes have been documented in different types of cancer and are tightly linked to proliferation, invasiveness, metastasis, and drug resistance. This study aims to investigate the diagnostic, prognostic, and therapy-response predictive value of the glyco-gene B4GALT1 in colorectal cancer (CRC) patients. A Kaplan–Meier analysis was conducted in 1418 CRC patients (GEO and TCGA datasets) to assess the prognostic and therapy-response predictive values of the aberrant expression and methylation status of B4GALT1. Quantitative methylation-specific PCR (QMSP) and droplet digital quantitative methylation-specific PCR (dd-QMSP) were respectively used to detect hypermethylated B4GALT1 in metastasis and plasma in four cohorts of metastatic CRC cases (mCRC). Both the downregulated expression and promoter hypermethylation of B4GALT1 have a negative prognostic impact on CRC. Interestingly a low expression level of B4GALT1 was significantly associated with poor cetuximab response (progression-free survival (PFS) p = 0.01) particularly in wild-type (WT)-KRAS patients (p = 0.03). B4GALT1 promoter was aberrantly methylated in liver and lung metastases. The detection of hypermethylated B4GALT1 in plasma of mCRC patients showed a highly discriminative receiver operating characteristic (ROC) curve profile (area under curve (AUC) value 0.750; 95% CI: 0.592–0.908, p = 0.008), clearly distinguishing mCRC patients from healthy controls. Based on an optimal cut-off value defined by the ROC analysis, B4GALT1 yield a 100% specificity and a 50% sensitivity. These data support the potential value of B4GALT1 as an additional novel biomarker for the prediction of cetuximab response, and as a specific and sensitive diagnostic circulating biomarker that can be detected in CRC.
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Low Sensitivity of Fecal Immunochemical Tests and Blood-Based Markers of DNA Hypermethylation for Detection of Sessile Serrated Adenomas/Polyps. Dig Dis Sci 2019; 64:2555-2562. [PMID: 30835026 DOI: 10.1007/s10620-019-05569-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 02/26/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Early detection and removal of precursor lesions reduce colorectal cancer morbidity and mortality. Sessile serrated adenomas/polyps (SSP) are a recognized precursor of cancer, but there are limited studies on whether current screening techniques detect this pathology. AIMS To investigate the sensitivity of fecal immunochemical tests (FIT) and epigenetic biomarkers in blood for detection of SSP. METHODS A prospective study offered FIT and a blood test (Colvera for methylated BCAT1 and IKZF1) to adults referred for colonoscopy. Sensitivity of FIT and the blood test were determined for four types of pathology: low-risk conventional adenoma, high-risk adenoma, SSP, and absence of neoplasia. Comparisons were made for FIT positivity at 10 and 20 μg hemoglobin (Hb)/g feces. RESULTS One thousand eight hundred and eighty-two subjects completed FIT and underwent colonoscopy. One thousand four hundred and three were also tested for methylated BCAT1/IKZF1. The sensitivity of FIT (20 μg Hb/g feces) for SSP was 16.3%. This was lower than the sensitivity for high-risk adenomas (28.7%, p < 0.05), but no different to that for low-risk adenomas (13.1%) or no neoplasia (8.4%). A positive FIT result for SSP was not associated with demographics, morphology, concurrent pathology or intake of medications that increase bleeding risk. FIT sensitivity for SSP did not significantly increase through lowering the positivity threshold to 10 μg Hb/g feces (20.4%, p > 0.05). Sensitivity of the blood test for SSP was 8.8%, and 26.5% when combined with FIT. CONCLUSIONS Both FIT and blood-based markers of DNA hypermethylation have low sensitivity for detection of SSP. Further development of sensitive screening tests is warranted.
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Symonds EL, Hughes D, Flight I, Woodman R, Chen G, Ratcliffe J, Pedersen SK, Fraser RJL, Wilson CJ, Young GP. A Randomized Controlled Trial Testing Provision of Fecal and Blood Test Options on Participation for Colorectal Cancer Screening. Cancer Prev Res (Phila) 2019; 12:631-640. [PMID: 31266825 DOI: 10.1158/1940-6207.capr-19-0089] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/24/2019] [Accepted: 06/27/2019] [Indexed: 11/16/2022]
Abstract
Suboptimal participation is commonly observed in colorectal cancer screening programs utilizing fecal tests. This randomized controlled trial tested whether the offer of a blood test as either a "rescue" strategy for fecal test nonparticipants or an upfront choice, could improve participation. A total of 1,800 people (50-74 years) were randomized to control, rescue, or choice groups (n = 600/group). All were mailed a fecal immunochemical test (FIT, OC-Sensor, Eiken Chemical Company) and a survey assessing awareness of the screening tests. The rescue group was offered a blood test 12 weeks after FIT nonparticipation. The choice group was given the opportunity to choose to do a blood test (Colvera, Clinical Genomics) instead of FIT at baseline. Participation with any test after 24 weeks was not significantly different between groups (control, 37.8%; rescue, 36.9%; choice, 33.8%; P > 0.05). When the rescue strategy was offered after 12 weeks, an additional 6.5% participated with the blood test, which was greater than the blood test participation when offered as an upfront choice (1.5%; P < 0.001). Awareness of the tests was greater for FIT than for blood (96.2% vs. 23.1%; P < 0.0001). In a population familiar with FIT screening, provision of a blood test either as a rescue of FIT nonparticipants or as an upfront choice did not increase overall participation. This might reflect a lack of awareness of the blood test for screening compared with FIT.
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Affiliation(s)
- Erin L Symonds
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia. .,Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Donna Hughes
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia
| | - Ingrid Flight
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia
| | - Richard Woodman
- Flinders Centre for Epidemiology and Biostatistics, School of Medicine, Flinders University, Bedford Park, South Australia, Australia
| | - Gang Chen
- Centre for Health Economics, Monash University, Caulfield East, Victoria, Australia
| | - Julie Ratcliffe
- College of Nursing and Health Sciences, Health and Social Care Economics Group, Flinders University, Bedford Park, South Australia, Australia
| | | | - Robert J L Fraser
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia.,Department of Gastroenterology and Hepatology, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Carlene J Wilson
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia.,School of Psychology & Public Health, La Trobe University, Bundoora, Victoria, Australia
| | - Graeme P Young
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia
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Cell-Free DNA in the Liquid Biopsy Context: Role and Differences Between ctDNA and CTC Marker in Cancer Management. Methods Mol Biol 2019; 1909:47-73. [PMID: 30580422 DOI: 10.1007/978-1-4939-8973-7_4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Liquid biopsy is a new diagnostic concept to investigate the molecular features of solid tumors by blood, saliva, urine, and any other body fluids which show a source of potential biomarkers. In cancer patients, it is a simple and less invasive mean, representing a sustainable alternative to interrogate all tumor cells longitudinally, quantifying and characterizing the biological materials (DNAs, RNAs, proteins) which originate from cancer tissues. Circulating tumor cells (CTCs) and circulating tumor DNA (ctDNA) analysis from a simple blood draw received enormous attention for the related clinical research results. A rich scientific literature demonstrates that liquid biopsy is a valid instrument to assess the tumor biomarkers in real time and profile the cancer genotype in diagnostic and prognostic field, as well to quantify minimal residual disease, during patient follow-up. This could be a breakthrough for a companion diagnostic and personalized medicine. Liquid biopsy needs further implementation in the methodological aspects as well as cost-based assessment. The number of new molecular diagnostic assays increases day by day, but the standards for their adoption and clinical validation are still to be achieved.
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Circulating biomarkers for early detection and clinical management of colorectal cancer. Mol Aspects Med 2019; 69:107-122. [PMID: 31189073 DOI: 10.1016/j.mam.2019.06.002] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 06/07/2019] [Accepted: 06/08/2019] [Indexed: 02/06/2023]
Abstract
New non-invasive approaches that can complement and improve on current strategies for colorectal cancer (CRC) screening and management are urgently needed. A growing number of publications have documented that components of tumors, which are shed into the circulation, can be detected in the form of liquid biopsies and can be used to detect CRC at early stages, to predict response to certain therapies and to detect CRC recurrence in a minimally invasive way. The analysis of circulating tumor DNA (ctDNA), tumor-derived cells (CTC, circulating tumor cells) or circulating microRNA (miRNA) in blood and other body fluids, have a great potential to improve different aspects of CRC management. The challenge now is to find which types of components, biofluids and detection methods would be the most suitable to be applied in the different steps of CRC detection and treatment. This chapter will provide an up to date review on ctDNA, CTCs and circulating miRNAs as new biomarkers for CRC, either for clinical management or early detection, highlighting their advantages and limitations.
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Andersen RF. Tumor-specific methylations in circulating cell-free DNA as clinically applicable markers with potential to substitute mutational analyses. Expert Rev Mol Diagn 2018; 18:1011-1019. [DOI: 10.1080/14737159.2018.1545576] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Sawada K, Kotani D, Bando H. The Clinical Landscape of Circulating Tumor DNA in Gastrointestinal Malignancies. Front Oncol 2018; 8:263. [PMID: 30062088 PMCID: PMC6054927 DOI: 10.3389/fonc.2018.00263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 06/25/2018] [Indexed: 12/28/2022] Open
Abstract
Technologies for genomic analyses have revealed more details in cancer biology and have changed standard treatments for cancer, including the introduction of targeted gene-specific therapy. Currently, liquid biopsies are increasingly being utilized in clinical trials and research settings to analyze circulating tumor DNA (ctDNA) from peripheral blood. Several studies have shown the potential of ctDNA in the screening, prognostication, molecular profiling, and monitoring of gastrointestinal malignancies. Although limitations continue to exist in the use of ctDNA, such as method standardization, the sensitivity, concordance with tumor tissue, and regulatory issues, this field offers promising benefits for cancer treatment. A deeper understanding of tumor biology via ctDNA analyses and ctDNA-guided clinical trials will lead to the increasing use of ctDNA in clinical practice in the near future; this development will result in the improvement of outcomes among patients with gastrointestinal malignancies.
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Affiliation(s)
- Kentaro Sawada
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
- Department of Gastroenterology, Hokkaido University Hospital, Sapporo, Japan
| | - Daisuke Kotani
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Hideaki Bando
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
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