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Roch B, Pisareva E, Mirandola A, Sanchez C, Pastor B, Tanos R, Frayssinoux F, Diab-Assaf M, Anker P, Al Amir Dache Z, Thierry AR. Impact of platelet activation on the release of cell-free mitochondria and circulating mitochondrial DNA. Clin Chim Acta 2024; 553:117711. [PMID: 38101467 DOI: 10.1016/j.cca.2023.117711] [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: 05/09/2023] [Revised: 12/11/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND Research on circulating mitochondrial DNA (cir-mtDNA) based diagnostic is insufficient, as to its function, origin, structural features, and particularly its standardization of isolation. To date, plasma preparation performed in previous studies do not take into consideration the potential bias resulting from the release of mitochondria by activated platelets. METHODS To tackle this, we compared the mtDNA amount determined by a standard plasma preparation method or a method optimally avoiding platelet activation. MtDNA extracted from the plasma of seven healthy individuals was quantified by Q-PCR in the course of the process of both methods submitted to filtration, freezing or differential centrifugation. RESULTS 98.7 to 99.4% of plasma mtDNA corresponded to extracellular mitochondria, either free or into large extracellular vesicles. Without platelet activation, the proportion of both types of entities remained preponderant (76-80%), but the amount of detected mtDNA decreased 67-fold. CONCLUSION We show the high capacity of platelets to release free mitochondria in "in vitro" conditions. This represents a potent confounding factor when extracting mtDNA for cir-mtDNA investigation. Platelet activation during pre-analytical conditions should therefore be avoided when studying cir-mtDNA. Our findings lead to a profound revision of the assumptions previously made by most works in this field. Overall, our data suggest the need to characterize or isolate mtDNA associated various structural forms, as well as to standardize plasma preparation, to better circumscribe cir-mtDNA's diagnostic capacity.
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Affiliation(s)
- Benoit Roch
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France; Thoracic Oncology Unit, Arnaud de Villeneuve Hospital, University Hospital of Montpellier, Montpellier F-34295, France
| | - Ekaterina Pisareva
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Alexia Mirandola
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Cynthia Sanchez
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Brice Pastor
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Rita Tanos
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Florence Frayssinoux
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Mona Diab-Assaf
- Faculty of Sciences II, Lebanese University Fanar, Beirut, Lebanon
| | - Philippe Anker
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Zahra Al Amir Dache
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France
| | - Alain R Thierry
- IRCM, Montpellier Cancer Research Institute, INSERM U1194, Montpellier University, Montpellier F-34298, France; ICM, Institut Régional du Cancer de Montpellier, Montpellier F-34298, France.
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Rapado-González Ó, Rodríguez-Ces AM, López-López R, Suárez-Cunqueiro MM. Liquid biopsies based on cell-free DNA as a potential biomarker in head and neck cancer. JAPANESE DENTAL SCIENCE REVIEW 2023; 59:289-302. [PMID: 37680614 PMCID: PMC10480573 DOI: 10.1016/j.jdsr.2023.08.004] [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: 02/09/2023] [Revised: 07/31/2023] [Accepted: 08/17/2023] [Indexed: 09/09/2023] Open
Abstract
In the era of 'precision medicine', liquid biopsies based on cell-free DNA (cfDNA) have emerged as a promising tool in the oncology field. cfDNA from cancer patients is a mixture of tumoral (ctDNA) and non-tumoral DNA originated from healthy, cancer and tumor microenvironmental cells. Apoptosis, necrosis, and active secretion from extracellular vesicles represent the main mechanisms of cfDNA release into the physiological body fluids. Focused on HNC, two main types of cfDNA can be identified: the circulating cfDNA (ccfDNA) and the salivary cfDNA (scfDNA). Numerous studies have reported on the potential of cfDNA analysis as potential diagnostic, prognostic, and monitoring biomarker for HNC. Thus, ctDNA has emerged as an attractive strategy to detect cancer specific genetic and epigenetic alterations including DNA somatic mutations and DNA methylation patterns. This review aims to provide an overview of the up-to-date studies evaluating the value of the analysis of total cfDNA, cfDNA fragment length, and ctDNA analysis at DNA mutation and methylation level in HNC patients.
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Affiliation(s)
- Óscar Rapado-González
- Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain
- Galician Precision Oncology Research Group (ONCOGAL), Medicine and Dentistry School, Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain
- Liquid Biopsy Analysis Unit, Translational Medical Oncology Group (ONCOMET), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red en Cáncer (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Ana María Rodríguez-Ces
- Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain
- Galician Precision Oncology Research Group (ONCOGAL), Medicine and Dentistry School, Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain
- Liquid Biopsy Analysis Unit, Translational Medical Oncology Group (ONCOMET), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
| | - Rafael López-López
- Centro de Investigación Biomédica en Red en Cáncer (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Translational Medical Oncology Group (ONCOMET), Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (CHUS, SERGAS), 15706 Santiago de Compostela, Spain
| | - María Mercedes Suárez-Cunqueiro
- Department of Surgery and Medical-Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain
- Galician Precision Oncology Research Group (ONCOGAL), Medicine and Dentistry School, Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red en Cáncer (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Translational Medical Oncology Group (ONCOMET), Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (CHUS, SERGAS), 15706 Santiago de Compostela, Spain
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Kong M, Yu X, Guo W, Guo R. The bidirectional interplay between ncRNAs and methylation modifications in gastrointestinal tumors. Int J Biol Sci 2023; 19:4834-4848. [PMID: 37781524 PMCID: PMC10539694 DOI: 10.7150/ijbs.87028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 08/26/2023] [Indexed: 10/03/2023] Open
Abstract
The aberrant expression of methylation and ncRNAs, two crucial regulators of epigenetic modifications, has been widely demonstrated in cancer. The complex interplay between them is essential in promoting malignant phenotype, poor prognosis, and drug resistance in GI tumors (including esophageal, gastric, colorectal, liver, and pancreatic cancers). Therefore, we summarize the interrelation process between ncRNAs and methylation modifications in GI tumors, including the detailed mechanism of methylation enzyme regulation of ncRNAs, the molecular mechanism of ncRNAs regulation of methylation modifications, and the correlation between the interactions between ncRNAs and methylation modifications and clinical features of tumors. Finally, we discuss the potential value of ncRNAs and methylation modifications in clinical diagnosis and therapy.
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Affiliation(s)
- Minyu Kong
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Liver Transplantation Centre, China
- Henan Organ Transplantation Quality Control Centre, China
- Open and Key Laboratory for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Universities, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, China
| | - Xiao Yu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Liver Transplantation Centre, China
- Henan Organ Transplantation Quality Control Centre, China
- Open and Key Laboratory for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Universities, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, China
| | - Wenzhi Guo
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Liver Transplantation Centre, China
- Henan Organ Transplantation Quality Control Centre, China
- Open and Key Laboratory for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Universities, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, China
| | - Ran Guo
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Liver Transplantation Centre, China
- Henan Organ Transplantation Quality Control Centre, China
- Open and Key Laboratory for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Universities, China
- Henan Innovative Research Group for Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation, China
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Moratalla-Navarro F, Díez-Villanueva A, Garcia-Serrano A, Closa A, Cordero D, Solé X, Guinó E, Sanz-Pamplona R, Sanjuan X, Santos C, Biondo S, Salazar R, Moreno V. Identification of a Twelve-microRNA Signature with Prognostic Value in Stage II Microsatellite Stable Colon Cancer. Cancers (Basel) 2023; 15:3301. [PMID: 37444411 DOI: 10.3390/cancers15133301] [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: 05/14/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
We aimed to identify and validate a set of miRNAs that could serve as a prognostic signature useful to determine the recurrence risk for patients with COAD. Small RNAs from tumors of 100 stage II, untreated, MSS colon cancer patients were sequenced for the discovery step. For this purpose, we built an miRNA score using an elastic net Cox regression model based on the disease-free survival status. Patients were grouped into high or low recurrence risk categories based on the median value of the score. We then validated these results in an independent sample of stage II microsatellite stable tumor tissues, with a hazard ratio of 3.24, (CI95% = 1.05-10.0) and a 10-year area under the receiver operating characteristic curve of 0.67. Functional analysis of the miRNAs present in the signature identified key pathways in cancer progression. In conclusion, the proposed signature of 12 miRNAs can contribute to improving the prediction of disease relapse in patients with stage II MSS colorectal cancer, and might be useful in deciding which patients may benefit from adjuvant chemotherapy.
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Affiliation(s)
- Ferran Moratalla-Navarro
- Oncology Data Analytics Program, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
- Department of Clinical Sciences, Faculty of Medicine, University of Barcelona (UB), 08907 Barcelona, Spain
| | - Anna Díez-Villanueva
- Oncology Data Analytics Program, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
| | - Ainhoa Garcia-Serrano
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, 14186 Stockholm, Sweden
| | - Adrià Closa
- Department of Pathology, Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - David Cordero
- Oncology Data Analytics Program, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
| | - Xavier Solé
- Molecular Biology CORE, Center for Biomedical Diagnostics, Hospital Clinic de Barcelona, 08036 Barcelona, Spain
- Translational Genomic and Targeted Therapeutics in Solid Tumors, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
| | - Elisabet Guinó
- Oncology Data Analytics Program, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
| | - Rebeca Sanz-Pamplona
- Oncology Data Analytics Program, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
- Lozano Blesa University Hospital, Aragon Health Research Institute (IISA), Aragon I+D Foundation (ARAID), Government of Aragon, 50009 Zaragoza, Spain
| | - Xavier Sanjuan
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Department of Pathology, Bellvitge University Hospital, 08907 Barcelona, Spain
| | - Cristina Santos
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Oncology Service, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Consortium for Biomedical Research in Oncology (CIBERONC), 28029 Madrid, Spain
| | - Sebastiano Biondo
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Department of Clinical Sciences, Faculty of Medicine, University of Barcelona (UB), 08907 Barcelona, Spain
- Department of General and Digestive Surgery, Bellvitge University Hospital, 08907 Barcelona, Spain
| | - Ramón Salazar
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Department of Clinical Sciences, Faculty of Medicine, University of Barcelona (UB), 08907 Barcelona, Spain
- Oncology Service, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Consortium for Biomedical Research in Oncology (CIBERONC), 28029 Madrid, Spain
| | - Victor Moreno
- Oncology Data Analytics Program, Catalan Institute of Oncology (ICO), 08908 Barcelona, Spain
- Colorectal Cancer Group, Bellvitge Biomedical Research Institute (IDIBELL), 08908 Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
- Department of Clinical Sciences, Faculty of Medicine, University of Barcelona (UB), 08907 Barcelona, Spain
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