Colorectal Cancer Stem Cells Fuse with Monocytes to Form Tumour Hybrid Cells with the Ability to Migrate and Evade the Immune System

The cancer cell fusion theory could be one of the best explanations for the metastasis from primary tumours. Herein, we co-cultured colorectal cancer (CRC) stem cells with human monocytes and analysed the properties of the generated tumour hybrid cells (THCs). The presence of THCs in the bloodstream...

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Veröffentlicht in:Cancers 2022-07, Vol.14 (14), p.3445
Hauptverfasser: Montalbán-Hernández, Karla, Cantero-Cid, Ramón, Casalvilla-Dueñas, José Carlos, Avendaño-Ortiz, José, Marín, Elvira, Lozano-Rodríguez, Roberto, Terrón-Arcos, Verónica, Vicario-Bravo, Marina, Marcano, Cristóbal, Saavedra-Ambrosy, Jorge, Prado-Montero, Julia, Valentín, Jaime, Pérez de Diego, Rebeca, Córdoba, Laura, Pulido, Elisa, Del Fresno, Carlos, Dueñas, Marta, López-Collazo, Eduardo
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container_issue 14
container_start_page 3445
container_title Cancers
container_volume 14
creator Montalbán-Hernández, Karla
Cantero-Cid, Ramón
Casalvilla-Dueñas, José Carlos
Avendaño-Ortiz, José
Marín, Elvira
Lozano-Rodríguez, Roberto
Terrón-Arcos, Verónica
Vicario-Bravo, Marina
Marcano, Cristóbal
Saavedra-Ambrosy, Jorge
Prado-Montero, Julia
Valentín, Jaime
Pérez de Diego, Rebeca
Córdoba, Laura
Pulido, Elisa
Del Fresno, Carlos
Dueñas, Marta
López-Collazo, Eduardo
description The cancer cell fusion theory could be one of the best explanations for the metastasis from primary tumours. Herein, we co-cultured colorectal cancer (CRC) stem cells with human monocytes and analysed the properties of the generated tumour hybrid cells (THCs). The presence of THCs in the bloodstream together with samples from primary and metastatic lesions and their clinical correlations were evaluated in CRC patients and were detected by both FACS and immunofluorescence methods. Additionally, the role of SIGLEC5 as an immune evasion molecule in colorectal cancer was evaluated. Our data demonstrated the generation of THCs after the in vitro co-culture of CRC stem cells and monocytes. These cells, defined as CD45 CD14 EpCAM , showed enhanced migratory and proliferative abilities. The THC-specific cell surface signature allows identification in matched primary tumour tissues and metastases as well as in the bloodstream from patients with CRC, thus functioning as a biomarker. Moreover, SIG-LEC5 expression on in vitro generated THCs has shown to be involved in the mechanism for immune evasion. Additionally, sSIGLEC5 levels correlated with THC numbers in the prospective cohort of patients. Our results indicate the generation of a hybrid entity after the in vitro co-culture between CRC stem cells and human monocytes. Moreover, THC numbers present in patients are related to both prognosis and the later spread of metastases in CRC patients.
doi_str_mv 10.3390/cancers14143445
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Herein, we co-cultured colorectal cancer (CRC) stem cells with human monocytes and analysed the properties of the generated tumour hybrid cells (THCs). The presence of THCs in the bloodstream together with samples from primary and metastatic lesions and their clinical correlations were evaluated in CRC patients and were detected by both FACS and immunofluorescence methods. Additionally, the role of SIGLEC5 as an immune evasion molecule in colorectal cancer was evaluated. Our data demonstrated the generation of THCs after the in vitro co-culture of CRC stem cells and monocytes. These cells, defined as CD45 CD14 EpCAM , showed enhanced migratory and proliferative abilities. The THC-specific cell surface signature allows identification in matched primary tumour tissues and metastases as well as in the bloodstream from patients with CRC, thus functioning as a biomarker. Moreover, SIG-LEC5 expression on in vitro generated THCs has shown to be involved in the mechanism for immune evasion. 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source PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central
subjects Biomarkers
Blood & organ donations
Cancer
CD14 antigen
CD45 antigen
Cell culture
Cell fusion
Cell surface
Colorectal cancer
Colorectal carcinoma
Flow cytometry
Immune system
Immunofluorescence
Medical prognosis
Metastases
Metastasis
Monocytes
Patients
Prognosis
Stem cells
Surgery
Transcription factors
Tumors
title Colorectal Cancer Stem Cells Fuse with Monocytes to Form Tumour Hybrid Cells with the Ability to Migrate and Evade the Immune System
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