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Torresan S, de Scordilli M, Bortolot M, Di Nardo P, Foltran L, Fumagalli A, Guardascione M, Ongaro E, Puglisi F. Liquid biopsy in colorectal cancer: Onward and upward. Crit Rev Oncol Hematol 2024; 194:104242. [PMID: 38128627 DOI: 10.1016/j.critrevonc.2023.104242] [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: 10/05/2023] [Revised: 11/20/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023] Open
Abstract
Colorectal cancer (CRC) remains a leading cause of cancer-related deaths worldwide. In recent years, liquid biopsy has emerged as one of the most interesting areas of research in oncology, leading to innovative trials and practical changes in all aspects of CRC management. RNAs and cell free DNA (cfDNA) methylation are emerging as promising biomarkers for early diagnosis. Post-surgical circulating tumour DNA (ctDNA) can aid in evaluating minimal residual disease and personalising adjuvant treatment. In rectal cancer, ctDNA could improve response assessment to neoadjuvant therapy and risk stratification, especially in the era of organ-preservation trials. In the advanced setting, ctDNA analysis offers the opportunity to monitor treatment response and identify driver and resistance mutations more comprehensively than traditional tissue analysis, providing prognostic and predictive information. The aim of this review is to provide a detailed overview of the clinical applications and future perspectives of liquid biopsy in CRC.
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Affiliation(s)
- Sara Torresan
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy
| | - Marco de Scordilli
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy.
| | - Martina Bortolot
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy
| | - Paola Di Nardo
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Luisa Foltran
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Arianna Fumagalli
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Michela Guardascione
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Elena Ongaro
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Fabio Puglisi
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy
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2
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Wu Y, Fu Y, Guo J, Guo J. Single-molecule immunoassay technology: Recent advances. Talanta 2023; 265:124903. [PMID: 37418954 DOI: 10.1016/j.talanta.2023.124903] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 06/29/2023] [Accepted: 07/01/2023] [Indexed: 07/09/2023]
Abstract
Detecting diseases at the molecular level aids in early diagnosis and treatment. However, traditional immunological detection techniques, such as enzyme-linked immunosorbent assay (ELISA) and chemiluminescence, have detection sensitivities between 10-16 and 10-12 mol/L, which are inadequate for early diagnosis. Single-molecule immunoassays can reach detection sensitivities of 10-18 mol/L and can detect biomarkers that are difficult to measure using conventional detection techniques. It can confine molecules to be detected in a small spatial area and provide absolute counting of the detected signal, offering the advantage of high efficiency and accuracy. Herein, we demonstrate the principles and equipment of two single-molecule immunoassay techniques and discuss their applications. It is shown that the detection sensitivity can be improved by 2-3 orders of magnitude compared to common chemiluminescence or ELISA assays. The microarray-based single-molecule immunoassay technique can test 66 samples in 1 h, which is more efficient than conventional immunological detection techniques. In contrast, microdroplet-based single-molecule immunoassay techniques can generate 107 droplets in 10 min, which is more than 100 times faster than a single droplet generator. By comparing the two single-molecule immunoassay techniques, we highlight our personal perspectives on the current limitations of point-of-care applications and future development trends.
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Affiliation(s)
- Yi Wu
- University of Electronic Science and Technology of China, Chengdu, China
| | - Yusheng Fu
- University of Electronic Science and Technology of China, Chengdu, China
| | - Jiuchuan Guo
- University of Electronic Science and Technology of China, Chengdu, China.
| | - Jinhong Guo
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China; The M.O.E. Key Laboratory of Laboratory Medical Diagnostics, The College of Laboratory Medicine, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China.
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3
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Bai M, Tian X, Wang Z, Zhang L, Zhang F, Yang Y, Liu L. Versatile Dynamic Bioactive Lubricant-Infused Surface for Effective Isolation of Circulating Tumor Cells. Anal Chem 2023; 95:5307-5315. [PMID: 36930830 DOI: 10.1021/acs.analchem.2c05357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
The rarity of circulating tumor cells (CTCs) and the complexity of blood components present major challenges for the efficient isolation of CTCs in blood. The coexisting matters could interfere with the detection of CTCs by adhering to the binding sites on the material surface, leading to the reduced accuracy of biomarker capture in blood. Herein, we developed dynamic bioactive lubricant-infused slippery surfaces by grafting the 1H,1H,2H,2H-heptadecafluorodecyl acrylate polymer and 3-acrylamidophenylboronic acid polymer brushes on quartz plates by UV light-initiated and then grafted cancer cell-binding peptides via reversible catechol-boronate chemistry between phenylboronic acid groups and 3,4-dihydroxy-l-phenylalanine groups of peptides for high-efficient capture of CTCs and nondestructive release of the desired cells in sugar response. Patterned dynamic bioactive lubricant-infused surfaces (PDBLISs) further exhibited the improved capture efficiency of CTCs and more effective antifouling properties for nonspecific cells and blood components. Moreover, the PDBLIS can efficiently capture rare cancer cells from the mimic of cancer patient's blood samples. We anticipate that the strategy we proposed would be used in further clinical diagnosis of complicated biofluids related to a variety of tumors and exhibit good prospects and potential in future liquid biopsies.
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Affiliation(s)
- Mengqi Bai
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaohua Tian
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zengkai Wang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Liwei Zhang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Feiyi Zhang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuhe Yang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Lei Liu
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
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Perge P, Nyirő G, Vékony B, Igaz P. Liquid biopsy for the assessment of adrenal cancer heterogeneity: where do we stand? Endocrine 2022; 77:425-431. [PMID: 35552979 PMCID: PMC9385753 DOI: 10.1007/s12020-022-03066-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/27/2022] [Indexed: 02/06/2023]
Abstract
Almost 10 years have passed since the first attempts of liquid biopsy aimed at the characterisation of tumor cells present in the bloodstream from a regular sample of peripheral blood were performed. Liquid biopsy has been used to characterise tumor heterogeneity in various types of solid tumors including adrenocortical carcinoma. The development of molecular biology, genetics, and methodological advances such as digital PCR and next-generation sequencing allowed us to use besides circulating tumor cells a variety of circulating cell-free nucleic acids, DNAs, RNAs and microRNAs secreted by tumors into blood and other body fluids as specific molecular markers. These markers are used for diagnosis, to check tumor development, selecting efficient therapies, therapy monitoring and even possess prognostic power. In adrenocortical carcinoma, there are some studies reporting analysis of circulating tumor cells, circulating cell free DNA and microRNAs for assessing tumor heterogeneity. Among microRNAs, hsa-miR-483-5p seems to be the most important player. Combined with other microRNAs like hsa-miR-195, their expression correlates with recurrence-free survival. Most studies support the applicability of liquid biopsy for assessing temporal tumor heterogeneity (i.e. tumor progression) in adrenocortical cancer. In this mini-review, the available findings of liquid biopsy for assessing tumor heterogeneity in adrenocortical cancer are presented.
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Affiliation(s)
- Pál Perge
- Department of Internal Medicine and Oncology, Faculty of Medicine, Semmelweis University, H-1083, Budapest, Hungary
| | - Gábor Nyirő
- Department of Endocrinology, ENS@T Research Center of Excellence, Faculty of Medicine, Semmelweis University, H-1083, Budapest, Hungary
- MTA-SE Molecular Medicine Research Group, Eötvös Loránd Research Network, H-1083, Budapest, Hungary
- Institute of Laboratory Medicine, Faculty of Medicine, Semmelweis University, H-1089, Budapest, Hungary
| | - Bálint Vékony
- Department of Endocrinology, ENS@T Research Center of Excellence, Faculty of Medicine, Semmelweis University, H-1083, Budapest, Hungary
| | - Peter Igaz
- Department of Internal Medicine and Oncology, Faculty of Medicine, Semmelweis University, H-1083, Budapest, Hungary.
- Department of Endocrinology, ENS@T Research Center of Excellence, Faculty of Medicine, Semmelweis University, H-1083, Budapest, Hungary.
- MTA-SE Molecular Medicine Research Group, Eötvös Loránd Research Network, H-1083, Budapest, Hungary.
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Lyu N, Rajendran VK, Diefenbach RJ, Charles K, Clarke SJ, Engel A, Rizos H, Molloy MP, Wang Y. Multiplex detection of ctDNA mutations in plasma of colorectal cancer patients by PCR/SERS assay. Nanotheranostics 2020; 4:224-232. [PMID: 32923312 PMCID: PMC7484630 DOI: 10.7150/ntno.48905] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 08/04/2020] [Indexed: 12/11/2022] Open
Abstract
Molecular diagnostic testing of KRAS and BRAF mutations has become critical in the management of colorectal cancer (CRC) patients. Some progress has been made in liquid biopsy detection of mutations in circulating tumor DNA (ctDNA), which is a fraction of circulating cell-free DNA (cfDNA), but slow analysis for DNA sequencing methods has limited rapid diagnostics. Other methods such as quantitative PCR and more recently, droplet digital PCR (ddPCR), have limitations in multiplexed capacity and the need for expensive specialized equipment. Hence, a robust, rapid and facile strategy is needed for detecting multiple ctDNA mutations to improve the management of CRC patients. To address this significant problem, herein, we propose a new application of multiplex PCR/SERS (surface-enhanced Raman scattering) assay for the detection of ctDNA in CRC, in a fast and non-invasive manner to diagnose and stratify patients for effective treatment. Methods: To discriminate ctDNA mutations from wild-type cfDNA, allele-specific primers were designed for the amplification of three clinically important DNA point mutations in CRC including KRAS G12V, KRAS G13D and BRAF V600E. Surface-enhanced Raman scattering (SERS) nanotags were labelled with a short and specific sequence of oligonucleotide, which can hybridize with the corresponding PCR amplicons. The PCR/SERS assay was implemented by firstly amplifying the multiple mutations, followed by binding with multicolor SERS nanotags specific to each mutation, and subsequent enrichment with magnetic beads. The mutation status was evaluated using a portable Raman spectrometer where the fingerprint spectral peaks of the corresponding SERS nanotags indicate the presence of the mutant targets. The method was then applied to detect ctDNA from CRC patients under a blinded test, the results were further validated by ddPCR. Results: The PCR/SERS strategy showed high specificity and sensitivity for genotyping CRC cell lines and plasma ctDNA, where as few as 0.1% mutant alleles could be detected from a background of abundant wild-type cfDNA. The blinded test using 9 samples from advanced CRC patients by PCR/SERS assay was validated with ddPCR and showed good consistency with pathology testing results. Conclusions: With ddPCR-like sensitivity yet at the convenience of standard PCR, the proposed assay shows great potential in sensitive detection of multiple ctDNA mutations for clinical decision-making.
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Affiliation(s)
- Nana Lyu
- Department of Molecular Sciences, Macquarie University, Sydney, Australia
| | | | - Russell J Diefenbach
- Department of Biomedical Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia.,Melanoma Institute Australia, Sydney, Australia
| | - Kellie Charles
- School of Medical Sciences, Discipline of Pharmacology, The University of Sydney, Australia
| | - Stephen J Clarke
- Royal North Shore Hospital, Department of Medical Oncology, The University of Sydney, Australia
| | - Alexander Engel
- Royal North Shore Hospital, Colorectal Surgical Unit, The University of Sydney, Australia
| | | | - Helen Rizos
- Department of Biomedical Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Mark P Molloy
- Bowel Cancer and Biomarker Laboratory, Kolling Institute, The University of Sydney, Australia
| | - Yuling Wang
- Department of Molecular Sciences, Macquarie University, Sydney, Australia
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Matsuoka T, Yashiro M. Precision medicine for gastrointestinal cancer: Recent progress and future perspective. World J Gastrointest Oncol 2020; 12:1-20. [PMID: 31966910 PMCID: PMC6960076 DOI: 10.4251/wjgo.v12.i1.1] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 10/12/2019] [Accepted: 11/04/2019] [Indexed: 02/05/2023] Open
Abstract
Gastrointestinal (GI) cancer has a high tumor incidence and mortality rate worldwide. Despite significant improvements in radiotherapy, chemotherapy, and targeted therapy for GI cancer over the last decade, GI cancer is characterized by high recurrence rates and a dismal prognosis. There is an urgent need for new diagnostic and therapeutic approaches. Recent technological advances and the accumulation of clinical data are moving toward the use of precision medicine in GI cancer. Here we review the application and status of precision medicine in GI cancer. Analyses of liquid biopsy specimens provide comprehensive real-time data of the tumor-associated changes in an individual GI cancer patient with malignancy. With the introduction of gene panels including next-generation sequencing, it has become possible to identify a variety of mutations and genetic biomarkers in GI cancer. Although the genomic aberration of GI cancer is apparently less actionable compared to other solid tumors, novel informative analyses derived from comprehensive gene profiling may lead to the discovery of precise molecular targeted drugs. These progressions will make it feasible to incorporate clinical, genome-based, and phenotype-based diagnostic and therapeutic approaches and apply them to individual GI cancer patients for precision medicine.
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Affiliation(s)
- Tasuku Matsuoka
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, Osaka 5458585, Japan
| | - Masakazu Yashiro
- Department of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, Osaka 5458585, Japan
- Oncology Institute of Geriatrics and Medical Science, Osaka City University Graduate School of Medicine, Osaka 5458585, Japan
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7
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Molnár B, Galamb O, Kalmár A, Barták BK, Nagy ZB, Tóth K, Tulassay Z, Igaz P, Dank M. Circulating cell-free nucleic acids as biomarkers in colorectal cancer screening and diagnosis - an update. Expert Rev Mol Diagn 2019; 19:477-498. [PMID: 31046485 DOI: 10.1080/14737159.2019.1613891] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction: Screening methods for one of the most frequently diagnosed malignancy, colorectal cancer (CRC), have limitations. Circulating cell-free nucleic acids (cfNA) hold clinical relevance as screening, prognostic and therapy monitoring markers. Area covered: In this review, we summarize potential CRC-specific cfNA biomarkers, the recently developed sample preparation techniques, their applications, and pitfalls. Expert opinion: Automated extraction of cfDNA is highly reproducible, however, cfDNA yield is less compared to manual isolation. Quantitative and highly sensitive detection techniques (e.g. digital PCR, NGS) can be applied to analyze genetic and epigenetic changes. Detection of DNA mutations or methylation in cfDNA and related altered levels of mRNA, miRNA, and lncRNA may improve early cancer recognition, based on specific, CRC-related patterns. Detection of cfDNA mutations (e.g. TP53, KRAS, APC) has limited diagnostic sensitivity (40-60%), however, methylated DNA including SEPT9, SFRP1, SDC2 can be applied with higher sensitivity (up to 90%) for CRC. Circulating miRNAs (e.g. miR-21, miR-92, miR-141) provide comparably high sensitivity for CRC as the circulating tumor cell mRNA markers (e.g. EGFR, CK19, CK20, CEA). Automation of cfNA isolation coupled with quantitative analysis of CRC-related, highly sensitive biomarkers may enhance CRC screening and early detection in the future.
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Affiliation(s)
- Béla Molnár
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary.,b MTA-SE Molecular Medicine Research Unit , Hungarian Academy of Sciences and Semmelweis University , Budapest , Hungary
| | - Orsolya Galamb
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary.,b MTA-SE Molecular Medicine Research Unit , Hungarian Academy of Sciences and Semmelweis University , Budapest , Hungary
| | - Alexandra Kalmár
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary.,b MTA-SE Molecular Medicine Research Unit , Hungarian Academy of Sciences and Semmelweis University , Budapest , Hungary
| | - Barbara Kinga Barták
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary
| | - Zsófia Brigitta Nagy
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary
| | - Kinga Tóth
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary
| | - Zsolt Tulassay
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary.,b MTA-SE Molecular Medicine Research Unit , Hungarian Academy of Sciences and Semmelweis University , Budapest , Hungary
| | - Péter Igaz
- a 2nd Department of Internal Medicine , Semmelweis University , Budapest , Hungary.,b MTA-SE Molecular Medicine Research Unit , Hungarian Academy of Sciences and Semmelweis University , Budapest , Hungary
| | - Magdolna Dank
- c Department of Oncology , Semmelweis University , Budapest , Hungary
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Worm Ørntoft MB. Review of Blood-Based Colorectal Cancer Screening: How Far Are Circulating Cell-Free DNA Methylation Markers From Clinical Implementation? Clin Colorectal Cancer 2018; 17:e415-e433. [PMID: 29678513 DOI: 10.1016/j.clcc.2018.02.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 02/21/2018] [Accepted: 02/26/2018] [Indexed: 12/16/2022]
Abstract
Colorectal cancer (CRC) is a leading cause of cancer related deaths worldwide, and late stages (III-IV) in particular have low 5-year survival rates. Stage shifting by CRC screening programs has proven effective by decreasing morbidity and mortality and in many countries national CRC screening programs have been implemented. Currently, European, Asian, and American authorities recommend screening for CRC using fecal occult blood testing, sigmoidoscopy, or colonoscopy. Because these approaches all have weaknesses (eg, poor compliance, high costs, test invasiveness), much effort has been put into the development of alternative screening approaches, many of which are blood-based. Blood-based strategies especially present the advantages of minimally invasiveness compared to endoscopies and an expectantly higher compliance rate compared to stool-based tests. The last decades have seen many discovery studies identifying promising blood-based biomarkers of CRC; however, common to all of these markers is that their clinical usefulness remains evasive. At present only one blood-based CRC screening marker has been approved in the United States. The aim of this review is to discuss the development of blood-based cell-free DNA methylation marker candidates for CRC screening. On the basis of a methodical literature search, the past, present, and future of cell-free DNA screening markers for CRC are revised and discussed. Resource limitations and technical challenges related to sensitivity and specificity measurements keep many markers at bay. Possible solutions to these problems are offered to enable markers to benefit future screening participants.
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Barták BK, Kalmár A, Galamb O, Wichmann B, Nagy ZB, Tulassay Z, Dank M, Igaz P, Molnár B. Blood Collection and Cell-Free DNA Isolation Methods Influence the Sensitivity of Liquid Biopsy Analysis for Colorectal Cancer Detection. Pathol Oncol Res 2018; 25:915-923. [PMID: 29374860 DOI: 10.1007/s12253-018-0382-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 01/05/2018] [Indexed: 02/08/2023]
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10
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Lopez A, Harada K, Mizrak Kaya D, Dong X, Song S, Ajani JA. Liquid biopsies in gastrointestinal malignancies: when is the big day? Expert Rev Anticancer Ther 2017; 18:19-38. [DOI: 10.1080/14737140.2018.1403320] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Anthony Lopez
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Gastroenterology and Hepatology and Inserm U954, Nancy University Hospital, Lorraine University, Vandoeuvre-lès-Nancy, France
| | - Kazuto Harada
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dilsa Mizrak Kaya
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xiaochuan Dong
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shumei Song
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jaffer A. Ajani
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Weisenberger DJ, Liang G, Lenz HJ. DNA methylation aberrancies delineate clinically distinct subsets of colorectal cancer and provide novel targets for epigenetic therapies. Oncogene 2017; 37:566-577. [PMID: 28991233 DOI: 10.1038/onc.2017.374] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 08/21/2017] [Accepted: 08/30/2017] [Indexed: 02/06/2023]
Abstract
Colorectal cancer (CRC) is a worldwide health concern with respect to both incidence and mortality, and as a result, CRC tumorigenesis, progression and metastasis have been heavily studied, especially with respect to identifying genetic, epigenetic, transcriptomic and proteomic profiles of disease. DNA methylation alterations are hallmarks of CRC, and epigenetic driver genes have been identified that are thought to be involved in early stages of tumorigenesis. Moreover, distinct CRC patient subgroups are organized based on DNA methylation profiles. CRC tumors displaying CpG island methylator phenotypes (CIMPs), defined as DNA hypermethylation at specific CpG islands in subsets of tumors, show high concordance with specific genetic alterations, disease risk factors and patient outcome. This review details the DNA methylation alterations in CRC, the significance of CIMP status, the development of treatments based on specific molecular profiles and the application of epigenetic therapies for CRC patient treatment.
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Affiliation(s)
- D J Weisenberger
- Department of Biochemistry and Molecular Medicine, University of Southern California, USC Norris Comprehensive Cancer Center, Los Angeles, CA USA
| | - G Liang
- Department of Urology, University of Southern California, USC Norris Comprehensive Cancer Center, Los Angeles, CA, USA
| | - H-J Lenz
- Department of Medicine, University of Southern California, USC Norris Comprehensive Cancer Center, Los Angeles, CA, USA
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Matikas A, Voutsina A, Lagoudaki E, Hatzidaki D, Trypaki M, Stoupis G, Tzardi M, Mavroudis D, Georgoulias V. Detection of KRAS Exon 2 Mutations in Circulating Tumor Cells Isolated by the ISET System from Patients with RAS Wild Type Metastatic Colorectal Cancer. Transl Oncol 2017; 10:693-698. [PMID: 28692881 PMCID: PMC5503828 DOI: 10.1016/j.tranon.2017.06.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 06/21/2017] [Accepted: 06/26/2017] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION: The presence of KRAS mutations in patients with metastatic colorectal cancer (mCRC) predicts poor response to agents targeting the EGFR. Even in patients with RAS wild type (WT) tumors, resistance eventually develops due to multiple mechanisms, including the expansion of previously undetected KRAS mutated clones. In this feasibility study, we aimed to detect KRAS exon 2 mutations in serial samples of circulating tumor cells (CTCs) of RAS WT patients with mCRC captured by the Isolation by Size of Epithelial Tumor cells (ISET) system. METHODS: CTC isolation using the ISET system was performed from prospectively collected blood samples obtained from patients with RAS and BRAF WT mCRC prior to first-line therapy initiation, at first imaging assessment and on disease progression. CTCs were enumerated using hematoxylin & eosin and CD45 double stain on a single membrane spot. DNA was extracted from 5 spots and KRAS exon 2 mutations were detected using a custom quantitative Polymerase Chain Reaction (qPCR) assay. RESULTS: Fifteen patients were enrolled and 28 blood samples were analyzed. In 9 (60%) patients, at least one sample was positive for the presence of a KRAS exon 2 mutation. In 11 out of 28 samples (39.2%) with detectable CTCs a KRAS mutation was detected; the corresponding percentages for baseline and on progression samples were 27% and 37.5%, respectively. The most commonly detected mutations were G13D and G12C (n = 3). The presence of KRAS mutated CTCs at baseline was not prognostic for either PFS (P = .950) or OS (P = .383). CTC kinetics did not follow tumor response patterns. CONCLUSION: The results demonstrate that using a qPCR-based assay, KRAS exon 2 mutations could be detected in CTCs captured by the ISET system from patients with RAS WT primary tumors. However, the clinical relevance of these CTCs remains to be determined in future studies.
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Affiliation(s)
- Alexios Matikas
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden; Department of Medical Oncology, University Hospital of Heraklion, Greece.
| | - Alexandra Voutsina
- Laboratory of Translational Oncology, School of Medicine, University of Crete, Heraklion, Greece
| | - Eleni Lagoudaki
- Department of Pathology, University Hospital of Heraklion, Greece
| | - Dora Hatzidaki
- Laboratory of Translational Oncology, School of Medicine, University of Crete, Heraklion, Greece
| | - Maria Trypaki
- Laboratory of Translational Oncology, School of Medicine, University of Crete, Heraklion, Greece
| | - Giannis Stoupis
- Department of Medical Oncology, University Hospital of Heraklion, Greece
| | - Maria Tzardi
- Department of Pathology, University Hospital of Heraklion, Greece
| | - Dimitrios Mavroudis
- Laboratory of Translational Oncology, School of Medicine, University of Crete, Heraklion, Greece; Department of Medical Oncology, University Hospital of Heraklion, Greece
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Hao QQ, Chen GY, Zhang JH, Sheng JH, Gao Y. Diagnostic value of long noncoding RNAs for hepatocellular carcinoma: A PRISMA-compliant meta-analysis. Medicine (Baltimore) 2017; 96:e7496. [PMID: 28700498 PMCID: PMC5515770 DOI: 10.1097/md.0000000000007496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Increasing evidences have shown that long noncoding RNAs (lncRNAs) are involved in cancer diagnosis and prognosis. However, the overall diagnostic accuracy of lncRNAs for hepatocellular carcinoma (HCC) remains unclear. Herein, we perform a meta-analysis to assess diagnostic value of lncRNAs for HCC. METHODS The online PubMed, Cochrane, Web of Science, and Embase database were searched for eligible studies published until October 5, 2016. Study quality was evaluated with the Quality Assessment for Studies of Diagnostic Accuracy (QUADAS). All statistical analyses were conducted with Stata 12.0 and Meta-Disc 1.4. RESULTS We included 19 studies from 10 articles with 1454 patients with HCC and 1300 controls. The pooled sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), diagnostic odds ratio (DOR), and AUC for lncRNAs in the diagnosis of HCC were 0.83 (95% confidence interval [CI]: 0.76-0.88), 0.80 (95% CI: 0.73-0.86), 4.2 (95% CI: 3.00-5.80), 0.21 (95% CI: 0.15-0.31), 20 (95% CI: 11-34), and 0.88 (95% CI: 0.85-0.91), respectively. Additionally, the diagnostic value of lncRNAs varied based on sex ratio of cases and characteristics of methods (specimen type and reference gen). CONCLUSION This meta-analysis suggests lncRNAs show a moderate diagnostic accuracy for HCC. However, prospective studies are required to confirm its diagnostic value.
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Ivanov K, Donev I. International scientific communications in the field of colorectal tumour markers. World J Gastrointest Surg 2017; 9:127-138. [PMID: 28603585 PMCID: PMC5442406 DOI: 10.4240/wjgs.v9.i5.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 11/16/2016] [Accepted: 03/22/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To analyze scientometrically the dynamic science internationalization on colorectal tumour markers as reflected in five information portals and to outline the significant journals, scientists and institutions.
METHODS A retrospective problem-oriented search was performed in Web of Science Core Collection (WoS), MEDLINE, BIOSIS Citation Index (BIOSIS) and Scopus for 1986-2015 as well as in Dervent Innovations Index (Derwent) for 1995-2015. Several specific scientometric parameters of the publication output and citation activity were comparatively analyzed. The following scientometric parameters were analyzed: (1) annual dynamics of publications; (2) scientific institutions; (3) journals; (4) authors; (5) scientific forums; (6) patents - number of patents, names and countries of inventors, and (7) citations (number of citations to publications by single authors received in WoS, BIOSIS Citation Index and Scopus).
RESULTS There is a trend towards increasing publication output on colorectal tumour markers worldwide along with high citation rates. Authors from 70 countries have published their research results in journals and conference proceedings in 21 languages. There is considerable country stratification similar to that in most systematic investigations. The information provided to end users and scientometricians varies between these data-bases in terms of most parameters due to different journal coverage, indexing systems and editorial policy. The lists of the so-called “core” journals and most productive authors in WoS, BIOSIS, MEDLINE and Scopus along with the list of the most productive authors - inventors in Derwent present a particular interest to the beginners in the field, the institutional and national science managers and the journal editorial board members. The role of the purposeful assessment of scientific forums and patents is emphasized.
CONCLUSION Our results along with this problem-oriented collection containing the researchers’ names, addresses and publications could contribute to a more effective international collaboration of the coloproctologists from smaller countries and thus improve their visibility on the world information market.
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Batth IS, Mitra A, Manier S, Ghobrial IM, Menter D, Kopetz S, Li S. Circulating tumor markers: harmonizing the yin and yang of CTCs and ctDNA for precision medicine. Ann Oncol 2017; 28:468-477. [PMID: 27998963 DOI: 10.1093/annonc/mdw619] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Current trajectory of clinical care is heading in the direction of personalized medicine. In an ideal scenario, clinicians can obtain extensive diagnostic and prognostic information via minimally-invasive assays. Information available in the peripheral blood has the potential to bring us closer to this goal. In this review we highlight the contributions of circulating tumor cells and circulating tumor DNA and RNA (ctDNA/ctRNA) towards cancer therapeutic field. We discuss clinical relevance, summarize available and upcoming technologies, and hypothesize how future care could be impacted by a combined study.
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Affiliation(s)
- I S Batth
- Department of Pediatrics - Research, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A Mitra
- Department of Pediatrics - Research, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Manier
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, USA
| | - I M Ghobrial
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, USA
| | - D Menter
- Department of Gastrointestinal (GI) Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Kopetz
- Department of Gastrointestinal (GI) Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Li
- Department of Pediatrics - Research, The University of Texas MD Anderson Cancer Center, Houston, USA
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Perakis S, Auer M, Belic J, Heitzer E. Advances in Circulating Tumor DNA Analysis. Adv Clin Chem 2017; 80:73-153. [PMID: 28431643 DOI: 10.1016/bs.acc.2016.11.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The analysis of cell-free circulating tumor DNA (ctDNA) is a very promising tool and might revolutionize cancer care with respect to early detection, identification of minimal residual disease, assessment of treatment response, and monitoring tumor evolution. ctDNA analysis, often referred to as "liquid biopsy" offers what tissue biopsies cannot-a continuous monitoring of tumor-specific changes during the entire course of the disease. Owing to technological improvements, efforts for the establishment of preanalytical and analytical benchmark, and the inclusion of ctDNA analyses in clinical trial, an actual clinical implementation has come within easy reach. In this chapter, recent advances of the analysis of ctDNA are summarized starting from the discovery of cell-free DNA, to methodological approaches and the clinical applicability.
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Affiliation(s)
- Samantha Perakis
- Institute of Human Genetics, Medical University of Graz, Graz, Austria
| | - Martina Auer
- Institute of Human Genetics, Medical University of Graz, Graz, Austria
| | - Jelena Belic
- Institute of Human Genetics, Medical University of Graz, Graz, Austria
| | - Ellen Heitzer
- Institute of Human Genetics, Medical University of Graz, Graz, Austria.
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17
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Neueste technologische Entwicklungen für die Analyse von zirkulierender Tumor-DNA. MED GENET-BERLIN 2016. [DOI: 10.1007/s11825-016-0089-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Zusammenfassung
Die Analyse von zirkulierender Tumor-DNA, zusammen mit der Analyse von zirkulierenden Tumorzellen auch oft Liquid Biopsy genannt, ist ein sich rasch entwickelndes Feld in der medizinischen Forschung. Obwohl es von der Entdeckung der zellfreien DNA bis hin zur Erkenntnis, dass sie sich als Biomarker eignet, Jahrzehnte gedauert hat, wurde der klinische Nutzen der ctDNA hinsichtlich der Überwachung des Therapieansprechens, der Identifizierung von Resistenzmechanismen und neu aufkommenden Therapiezielen sowie der Detektion von minimaler Resterkrankung mittlerweile in unzähligen Studien bewiesen.
Aufgrund der hohen Variabilität, mit der ctDNA in der Zirkulation vorkommt, sowie der starken Fragmentierung, stellt die ctDNA aber einen schwierigen Analyten dar. In den letzten Jahren haben erhebliche technologische Fortschritte dazu beigetragen, dass eine Routineanwendung der ctDNA-Analysen tatsächlich realisierbar wird, sofern eine Reihe von regulatorischen Hürden überwunden wird.
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Huang MY, Tsai HL, Huang JJ, Wang JY. Clinical Implications and Future Perspectives of Circulating Tumor Cells and Biomarkers in Clinical Outcomes of Colorectal Cancer. Transl Oncol 2016; 9:340-7. [PMID: 27567958 PMCID: PMC5006809 DOI: 10.1016/j.tranon.2016.06.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Revised: 06/30/2016] [Accepted: 06/30/2016] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) is a major public health problem. Early CRC detection, pretherapeutic responsiveness prediction, and postoperative micrometastasis monitoring are the hallmarks for successful CRC treatment. Here, the methodologies used for detecting circulating tumor cells (CTCs) from CRC are reviewed. In addition to the traditional CRC biomarkers, the persistent presence of posttherapeutic CTCs indicates resistance to adjuvant chemotherapy and/or radiotherapy; hence, CTCs also play a decisive role in the subsequent relapse of CRC. Moreover, the genetic and phenotypic profiling of CTCs often differs from that of the primary tumor; this difference can be used to select the most effective targeted therapy. Consequently, studying CTCs can potentially individualize treatment strategies for patients with CRC. Therefore, CTC detection and characterization may be valuable tools for refining prognosis, and CTCs can be used in a real-time tumor biopsy for designing individually tailored therapy against CRC.
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Affiliation(s)
- Ming-Yii Huang
- Department of Radiation Oncology, Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Center for Biomarkers and Biotech Drugs, Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Hsiang-Lin Tsai
- Division of General Surgery Medicine, Department of Surgery, Kaohsiung Medical University, Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Division of Gastroenterology and General Surgery, Department of Surgery, Kaohsiung Medical University, Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Joh-Jong Huang
- Department of Family Medicine and Department of Community Medicine, Kaohsiung Medical University, Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Jaw-Yuan Wang
- Center for Biomarkers and Biotech Drugs, Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Division of Gastroenterology and General Surgery, Department of Surgery, Kaohsiung Medical University, Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Graduate Institute of Clinical Medicine, Department of Surgery, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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