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Ortmann W, Such A, Cichon I, Baj-Krzyworzeka M, Weglarczyk K, Kolaczkowska E. Large extracellular vesicle (EV) and neutrophil extracellular trap (NET) interaction captured in vivo during systemic inflammation. Sci Rep 2024; 14:4680. [PMID: 38409254 PMCID: PMC10897202 DOI: 10.1038/s41598-024-55081-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/19/2024] [Indexed: 02/28/2024] Open
Abstract
Extracellular vesicles (EVs) and neutrophil extracellular traps (NETs) are pivotal bioactive structures involved in various processes including inflammation. Herein we report the interactions between EVs and NETs during murine endotoxemia studied in situ directly in the vasculature (cremaster muscle, liver sinusoids) using intravital microscopy (IVM). We captured NETs and EV release in real time by both non- and polarized neutrophils in liver but not in cremaster vasculature. When comparing numbers of circulating EVs of various origin (nanoparticle tracking analysis-NTA, flow cytometry) with those interacting with endothelium and NETs (IVM) we observed that whereas platelet and monocyte/macrophage-derived EVs dominate in blood and peritoneal lavage, respectively, mostly neutrophil-derived EVs interact with the vascular lining, NETs and leukocytes. Despite the interaction, NETs do not affect EV formation as NET release inhibition did not alter EV release. However, EVs inhibit NETs formation and in particular, erythrocyte-derived EVs downregulate NET release and this effect is mediated via Siglec-E-dependent interactions with neutrophils. Overall, we report that EVs are present in NETs in vivo and they do modulate their release but the process in not bidirectional. Moreover, EVs isolated from body fluids might not reflect their importance in direct endothelial- and leukocyte-related interactions.
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Affiliation(s)
- Weronika Ortmann
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
| | - Anna Such
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Krakow, Poland
| | - Iwona Cichon
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
| | - Monika Baj-Krzyworzeka
- Department of Clinical Immunology, Jagiellonian University Medical College, Wielicka 265 Str, 30-663, Krakow, Poland
| | - Kazimierz Weglarczyk
- Department of Clinical Immunology, Jagiellonian University Medical College, Wielicka 265 Str, 30-663, Krakow, Poland
| | - Elzbieta Kolaczkowska
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland.
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Molika P, Leetanaporn K, Rungkamoltip P, Roytrakul S, Hanprasertpong J, Navakanitworakul R. Proteomic analysis of small extracellular vesicles unique to cervical cancer. Transl Cancer Res 2023; 12:3113-3128. [PMID: 38130315 PMCID: PMC10731333 DOI: 10.21037/tcr-23-517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 09/22/2023] [Indexed: 12/23/2023]
Abstract
Background Cervical cancer (CC) is the fourth most common cancer in females worldwide. Existing biomarkers for CC, such as squamous cell carcinoma antigens, show low specificity. Hence, a novel biomarker for the diagnosis of CC is required. Through proteomic analysis, this study aimed to distinguish between the small extracellular vesicle (sEV) protein profiles of healthy controls (HC) and CC sera and to identify potential sEV proteins that can serve as biomarkers for CC diagnosis. Methods The number and size distribution of sEVs in HC and CC sera were measured using nanoparticle tracking analysis. Differential ultracentrifugation combined with size-exclusion chromatography was used to isolate and purify sEVs. Liquid chromatography-tandem mass spectrometry was used to identify and compare the protein profiles between patients with CC and HC. Differentially expressed extracellular vesicle (EV) proteins were validated using The Cancer Genome Atlas database. Results The EV particle concentration in patients with CC was marginally higher than that in HC. Proteomic and functional protein analyses revealed a difference in the EV protein profiles between HC and CC and identified proteins that can serve as biomarkers for CC. Conclusions This study provides insights into the potential of sEVs as less invasive biomarkers for CC diagnosis. Validation with a well-designed cohort should be performed to determine the clinical diagnostic value of specific protein markers for CC.
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Affiliation(s)
- Piyatida Molika
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Kittinun Leetanaporn
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Phetploy Rungkamoltip
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Sittiruk Roytrakul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, Thailand
| | - Jitti Hanprasertpong
- Department of Research and Medical Innovation, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Raphatphorn Navakanitworakul
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
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Jin X, Sun H, Yang L. How Extracellular Nano-Vesicles Can Play a Role in Sepsis? An Evidence-Based Review of the Literature. Int J Nanomedicine 2023; 18:5797-5814. [PMID: 37869065 PMCID: PMC10588718 DOI: 10.2147/ijn.s427116] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 10/08/2023] [Indexed: 10/24/2023] Open
Abstract
Sepsis is a systemic inflammatory reaction caused by infection. Severe sepsis can lead to multiple organ dysfunction, with a high incidence rate and mortality. The molecular pathogenesis of sepsis is complex and diverse. In recent years, with further study of the role of extracellular vesicles (EVs) in inflammatory diseases, it has been found that EVs play a dual role in the imbalance of inflammatory response in sepsis. Due to the great advantages such as lower toxicity, lower immunogenicity compared with stem cells and better circulation stability, EVs are increasingly used for the diagnosis and treatment of sepsis. The roles of EVs in the pathogenesis, diagnosis and treatment of sepsis were summarized to guide further clinical studies.
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Affiliation(s)
- Xiaolin Jin
- Department of International Physical Examination Center, The First Hospital of China Medical University, Shengyang, People’s Republic of China
| | - Haiyan Sun
- Department of Endodontics, School of Stomatology, China Medical University, Shenyang, People’s Republic of China
| | - Lina Yang
- Department of International Physical Examination Center, The First Hospital of China Medical University, Shengyang, People’s Republic of China
- Department of Geriatrics, The First Hospital of China Medical University, Shenyang, People’s Republic of China
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Nguyen TTT, Choi YH, Lee WK, Ji Y, Chun E, Kim YH, Lee JE, Jung HS, Suh JH, Kim S, Jin M. Tryptophan-dependent and -independent secretions of tryptophanyl- tRNA synthetase mediate innate inflammatory responses. Cell Rep 2023; 42:111905. [PMID: 36640342 DOI: 10.1016/j.celrep.2022.111905] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 09/29/2022] [Accepted: 12/09/2022] [Indexed: 12/31/2022] Open
Abstract
While cytoplasmic tryptophanyl-tRNA synthetase (WARS1) ligates tryptophan (Trp) to its cognate tRNAs for protein synthesis, it also plays a role as an innate immune activator in extracellular space. However, its secretion mechanism remains elusive. Here, we report that in response to stimuli, WARS1 can be secreted via two distinct pathways: via Trp-dependent secretion of naked protein and via Trp-independent plasma-membrane-derived vesicles (PMVs). In the direct pathway, Trp binding to WARS1 induces a "closed" conformation, generating a hydrophobic surface and basic pocket. The Trp-bound WARS1 then binds stable phosphatidylinositol (4,5)-biphosphate and inner plasma membrane leaflet, passing across the membrane. In the PMV-mediated secretion, WARS1 recruits calpain 2, which is activated by calcium. WARS1 released from PMVs induces inflammatory responses in vivo. These results provide insights into the secretion mechanisms of WARS1 and improve our understanding of how WARS1 is involved in the control of local and systemic inflammation upon infection.
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Affiliation(s)
- Tram Thuy Thuy Nguyen
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Korea
| | - Yun Hui Choi
- Department of Microbiology, College of Medicine, Gachon University, Incheon 21999, Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea
| | - Won-Kyu Lee
- New Drug Development Center, Osong Medical Innovation Foundation, Cheongju 28160, Korea
| | - Yeounjung Ji
- Department of Microbiology, College of Medicine, Gachon University, Incheon 21999, Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea
| | - Eunho Chun
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Korea
| | - Yi Hyo Kim
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Korea
| | - Joo-Eun Lee
- Department of Biochemistry, Kangwon National University, Chuncheon 24341, Korea
| | - Hyun Suk Jung
- Department of Biochemistry, Kangwon National University, Chuncheon 24341, Korea
| | - Ji Hun Suh
- Medicinal Bioconvergence Research Center, Institute for Artificial Intelligence and Biomedical Research, College of Pharmacy & College of Medicine, Gangnam Severance Hospital, Yonsei University, Incheon 21983, Korea
| | - Sunghoon Kim
- Medicinal Bioconvergence Research Center, Institute for Artificial Intelligence and Biomedical Research, College of Pharmacy & College of Medicine, Gangnam Severance Hospital, Yonsei University, Incheon 21983, Korea
| | - Mirim Jin
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Korea; Department of Microbiology, College of Medicine, Gachon University, Incheon 21999, Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea.
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