Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells
Metastases are the leading cause of cancer-related deaths, and their origin is not fully elucidated. Recently, studies have shown that extracellular vesicles (EVs), particularly small extracellular vesicles (sEV), can disrupt the homeostasis of organs, promoting the development of a secondary tumor....
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| Language: | English |
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Elsevier
2025-01-01
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| Series: | BBA Advances |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667160324000188 |
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| author | Ramon Handerson Gomes Teles Nicolas Jones Villarinho Ana Sayuri Yamagata Camila Tamy Hiroki Murilo Camargo de Oliveira Gisela Ramos Terçarioli Ruy Gastaldoni Jaeger Patrick Meybohm Malgorzata Burek Vanessa Morais Freitas |
| author_facet | Ramon Handerson Gomes Teles Nicolas Jones Villarinho Ana Sayuri Yamagata Camila Tamy Hiroki Murilo Camargo de Oliveira Gisela Ramos Terçarioli Ruy Gastaldoni Jaeger Patrick Meybohm Malgorzata Burek Vanessa Morais Freitas |
| author_sort | Ramon Handerson Gomes Teles |
| collection | DOAJ |
| description | Metastases are the leading cause of cancer-related deaths, and their origin is not fully elucidated. Recently, studies have shown that extracellular vesicles (EVs), particularly small extracellular vesicles (sEV), can disrupt the homeostasis of organs, promoting the development of a secondary tumor. However, the role of sEV in brain endothelium and their association with metastasis related to breast cancer is unknown. Thus, this study aimed to investigate sEV-triggered changes in the phosphorylation state of proteins on the surface of brain endothelial cells, as they form the first barrier in contact with circulating tumor cells and EVs, and once identified, to modulate its interactors and effects from this through different functional assays. We used the most aggressive breast cancer cell line, MDA-MB-231, and its brain-seeking variant, MDA-MB-231-br. From these cells, small and large extracellular vesicles were harvested to treat hCMEC/D3 cells, an immortalized cell line from the human brain microvasculature. Higher levels of phosphorylation of VEGFR1 and VEGFR2 were found in hCMEC/D3 cells treated with MDA-MB-231-br sEV. By computational analysis, the Valosin-Containing Protein (VCP) was predicted to be an important sEV cargo affecting the VEGFR2 intracellular trafficking, validated by western blotting analysis. Then, VCP was modulated by cell transfection or chemical inhibition in hCMEC/D3 cells and assessed in different functional in vitro assays evidencing a significant effect on the functionality of these cells. Thus, this study demonstrates that the VCP-containing sEVs induce modifications at different phosphor sites of VEGFR2 and effectively modulate the state of brain microvascular endothelial cells. |
| format | Article |
| id | doaj-art-7449669c8aa34a77afbb55f9bc87f871 |
| institution | OA Journals |
| issn | 2667-1603 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | BBA Advances |
| spelling | doaj-art-7449669c8aa34a77afbb55f9bc87f8712025-08-20T01:58:16ZengElsevierBBA Advances2667-16032025-01-01710013010.1016/j.bbadva.2024.100130Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cellsRamon Handerson Gomes Teles0Nicolas Jones Villarinho1Ana Sayuri Yamagata2Camila Tamy Hiroki3Murilo Camargo de Oliveira4Gisela Ramos Terçarioli5Ruy Gastaldoni Jaeger6Patrick Meybohm7Malgorzata Burek8Vanessa Morais Freitas9University of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, Brazil; University Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, 97080 Würzburg, Germany; University Würzburg, Graduate School of Life Sciences, Campus Hubland Nord, 97074 Würzburg, Germany; Corresponding author.University of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilUniversity of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilUniversity of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilUniversity of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilUniversity of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilUniversity of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilUniversity Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, 97080 Würzburg, GermanyUniversity Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, 97080 Würzburg, GermanyUniversity of São Paulo, Department of Cell and Developmental Biology, Institute of Biomedical Sciences (ICB), São Paulo, 05508-000, BrazilMetastases are the leading cause of cancer-related deaths, and their origin is not fully elucidated. Recently, studies have shown that extracellular vesicles (EVs), particularly small extracellular vesicles (sEV), can disrupt the homeostasis of organs, promoting the development of a secondary tumor. However, the role of sEV in brain endothelium and their association with metastasis related to breast cancer is unknown. Thus, this study aimed to investigate sEV-triggered changes in the phosphorylation state of proteins on the surface of brain endothelial cells, as they form the first barrier in contact with circulating tumor cells and EVs, and once identified, to modulate its interactors and effects from this through different functional assays. We used the most aggressive breast cancer cell line, MDA-MB-231, and its brain-seeking variant, MDA-MB-231-br. From these cells, small and large extracellular vesicles were harvested to treat hCMEC/D3 cells, an immortalized cell line from the human brain microvasculature. Higher levels of phosphorylation of VEGFR1 and VEGFR2 were found in hCMEC/D3 cells treated with MDA-MB-231-br sEV. By computational analysis, the Valosin-Containing Protein (VCP) was predicted to be an important sEV cargo affecting the VEGFR2 intracellular trafficking, validated by western blotting analysis. Then, VCP was modulated by cell transfection or chemical inhibition in hCMEC/D3 cells and assessed in different functional in vitro assays evidencing a significant effect on the functionality of these cells. Thus, this study demonstrates that the VCP-containing sEVs induce modifications at different phosphor sites of VEGFR2 and effectively modulate the state of brain microvascular endothelial cells.http://www.sciencedirect.com/science/article/pii/S2667160324000188Extracellular vesiclesExosomesMicrovesiclesBreast cancerMetastasishCMEC/D3 |
| spellingShingle | Ramon Handerson Gomes Teles Nicolas Jones Villarinho Ana Sayuri Yamagata Camila Tamy Hiroki Murilo Camargo de Oliveira Gisela Ramos Terçarioli Ruy Gastaldoni Jaeger Patrick Meybohm Malgorzata Burek Vanessa Morais Freitas Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells BBA Advances Extracellular vesicles Exosomes Microvesicles Breast cancer Metastasis hCMEC/D3 |
| title | Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells |
| title_full | Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells |
| title_fullStr | Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells |
| title_full_unstemmed | Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells |
| title_short | Valosin-containing protein (VCP), a component of tumor-derived extracellular vesicles, impairs the barrier integrity of brain microvascular endothelial cells |
| title_sort | valosin containing protein vcp a component of tumor derived extracellular vesicles impairs the barrier integrity of brain microvascular endothelial cells |
| topic | Extracellular vesicles Exosomes Microvesicles Breast cancer Metastasis hCMEC/D3 |
| url | http://www.sciencedirect.com/science/article/pii/S2667160324000188 |
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