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Aulas A, Liberatoscioli ML, Finetti P, Cabaud O, Birnbaum DJ, Usclade L, Birnbaum D, Bertucci F, Mamessier E. Low cholesterol biosynthesis favors epithelial-to-mesenchymal transition maintenance and influences tumor molecular subtyping and disease-free survival in colon cancer patients. Cancer Commun (Lond) 2022; 42:793-797. [PMID: 35771388 PMCID: PMC9395314 DOI: 10.1002/cac2.12329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 05/16/2022] [Accepted: 06/21/2022] [Indexed: 11/11/2022] Open
Affiliation(s)
- Anaïs Aulas
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
| | - Maria Lucia Liberatoscioli
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
| | - Pascal Finetti
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
| | - Olivier Cabaud
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
| | - David J Birnbaum
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France.,Department of Digestive Surgery, Hospital Nord, Chemin des Bourrely, Aix-Marseille University, Marseille, 13015, France
| | - Lucas Usclade
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
| | - Daniel Birnbaum
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
| | - François Bertucci
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France.,Department of Medical Oncology, Institut Paoli-Calmettes, Aix-Marseille University, Marseille, 13009, France
| | - Emilie Mamessier
- Predictive Oncology Laboratory, Cancer Research Center of Marseille, Institut Paoli-Calmettes, "Ligue contre le cancer" label, Aix-Marseille University, Marseille, 13009, France
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Lopresti A, Malergue F, Bertucci F, Liberatoscioli ML, Garnier S, DaCosta Q, Finetti P, Gilabert M, Raoul JL, Birnbaum D, Acquaviva C, Mamessier E. Sensitive and easy screening for circulating tumor cells by flow cytometry. JCI Insight 2019; 5:128180. [PMID: 31194699 DOI: 10.1172/jci.insight.128180] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Circulating Tumor Cells (CTCs) represent an easy, repeatable and representative access to information regarding solid tumors. However, their detection remains difficult because of their paucity, their short half-life, and the lack of reliable surface biomarkers. Flow cytometry (FC) is a fast, sensitive and affordable technique, ideal for rare cells detection. Adapted to CTCs detection (i.e. extremely rare cells), most FC-based techniques require a time-consuming pre-enrichment step, followed by a 2-hours staining procedure, impeding on the efficiency of CTCs detection. We overcame these caveats and reduced the procedure to less than one hour, with minimal manipulation. First, cells were simultaneously fixed, permeabilized, then stained. Second, using low-speed FC acquisition conditions and two discriminators (cell size and pan-cytokeratin expression), we suppressed the pre-enrichment step. Applied to blood from donors with or without known malignant diseases, this protocol ensures a high recovery of the cells of interest independently of their epithelial-mesenchymal plasticity and can predict which samples are derived from cancer donors. This proof-of-concept study lays the bases of a sensitive tool to detect CTCs from a small amount of blood upstream of in-depth analyses.
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Affiliation(s)
- Alexia Lopresti
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Fabrice Malergue
- Research, Beckman Coulter Life Sciences, Marseille, Marseille, France
| | - François Bertucci
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France.,Service d'Oncologie Médicale, Institut Paoli-Calmettes, Marseille, France
| | - Maria Lucia Liberatoscioli
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Severine Garnier
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Quentin DaCosta
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Pascal Finetti
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Marine Gilabert
- Service d'Oncologie Médicale, Institut Paoli-Calmettes, Marseille, France
| | - Jean Luc Raoul
- Service d'Oncologie Médicale, Institut Paoli-Calmettes, Marseille, France
| | - Daniel Birnbaum
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Claire Acquaviva
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
| | - Emilie Mamessier
- Predictive Oncology Laboratory, Cancer Research Center of Marseille (CRCM), Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, Aix Marseille Université, Marseille, France
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