PUBLICATION
Gastroesophageal circulating tumor cell crosstalk with peripheral immune system guides CTC survival and proliferation
- Authors
- Rossi, T., Valgiusti, M., Puccetti, M., Miserocchi, G., Zanoni, M., Angeli, D., Arienti, C., Pace, I., Bassi, C., Vannini, I., Melloni, M., Bandini, E., Urbini, M., Negrini, M., Bonafè, M., Ferracin, M., Gallerani, G.
- ID
- ZDB-PUB-250401-9
- Date
- 2025
- Source
- Cell Death & Disease 16: 223223 (Journal)
- Registered Authors
- Keywords
- none
- MeSH Terms
-
- Neoplastic Cells, Circulating*/metabolism
- Neoplastic Cells, Circulating*/pathology
- Zebrafish
- Esophageal Neoplasms*/genetics
- Esophageal Neoplasms*/immunology
- Esophageal Neoplasms*/metabolism
- Esophageal Neoplasms*/pathology
- Animals
- Cell Survival
- Immune System
- Signal Transduction
- Extracellular Vesicles/metabolism
- Humans
- Coculture Techniques
- Stomach Neoplasms*/genetics
- Stomach Neoplasms*/immunology
- Stomach Neoplasms*/metabolism
- Stomach Neoplasms*/pathology
- Cell Line, Tumor
- Cell Proliferation*
- PubMed
- 40157906 Full text @ Cell Death Dis.
Citation
Rossi, T., Valgiusti, M., Puccetti, M., Miserocchi, G., Zanoni, M., Angeli, D., Arienti, C., Pace, I., Bassi, C., Vannini, I., Melloni, M., Bandini, E., Urbini, M., Negrini, M., Bonafè, M., Ferracin, M., Gallerani, G. (2025) Gastroesophageal circulating tumor cell crosstalk with peripheral immune system guides CTC survival and proliferation. Cell Death & Disease. 16:223223.
Abstract
Tumor dissemination is a key event in tumor progression. During this event, a main role is played by circulating tumor cells (CTCs), immune cells, and their interaction. How the immune system supports the survival and proliferation of CTCs is not fully elucidated. In this study we established an in-vitro co-culture system consisting of immune cells and CTCs from the same patient, which increased the success rate in the establishment of CTC-derived long-term cell cultures. In this system, we characterized the immune cells of successful co-cultures and the signals they exchange with cancer cells, including cytokines and extracellular vesicle (EV) content. Using this protocol, we stabilized four CTC-derived cell lines from patients with metastatic gastroesophageal cancer, which were cultured for over a year and characterized from a genetic and molecular point of view. The four cell lines harbor shared chromosomal aberrations including the amplification at 8q24.21 containing MYC and deletion 9p21.3 containing CDKN2A/B and the IFN type I cluster. The transcriptomic profile of CTC cell lines is distinct from primary tumors, and we detected the activation of E2F, G2M and MYC pathways and the downregulation of interferon response pathway. Each cell line shows a degree of invasiveness in zebrafish in-vivo, and the most invasive ones share the same mutation in RAB14 gene. In addition, the four cell lines secrete cell-line specific EVs containing microRNAs that target YAP, BRG1-AKT1, TCF8-HDAC pathways. Overall, we highlight how the immune system plays a key role in the proliferation of CTCs through EV signaling, and how CTC cell line genomic and transcriptomic alterations make these cells less visible from the immune system and likely responsible for the survival advantage in sites distant from the microenvironment of origin.
Genes / Markers
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Orthology
Engineered Foreign Genes
Mapping