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Shu LZ, Zhang XL, Ding YD, Lin H. From inflammation to bone formation: the intricate role of neutrophils in skeletal muscle injury and traumatic heterotopic ossification. Exp Mol Med 2024; 56:1523-1530. [PMID: 38945957 PMCID: PMC11297321 DOI: 10.1038/s12276-024-01270-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 03/22/2024] [Accepted: 04/16/2024] [Indexed: 07/02/2024] Open
Abstract
Neutrophils are emerging as an important player in skeletal muscle injury and repair. Neutrophils accumulate in injured tissue, thus releasing inflammatory factors, proteases and neutrophil extracellular traps (NETs) to clear muscle debris and pathogens when skeletal muscle is damaged. During the process of muscle repair, neutrophils can promote self-renewal and angiogenesis in satellite cells. When neutrophils are abnormally overactivated, neutrophils cause collagen deposition, functional impairment of satellite cells, and damage to the skeletal muscle vascular endothelium. Heterotopic ossification (HO) refers to abnormal bone formation in soft tissue. Skeletal muscle injury is one of the main causes of traumatic HO (tHO). Neutrophils play a pivotal role in activating BMPs and TGF-β signals, thus promoting the differentiation of mesenchymal stem cells and progenitor cells into osteoblasts or osteoclasts to facilitate HO. Furthermore, NETs are specifically localized at the site of HO, thereby accelerating the formation of HO. Additionally, the overactivation of neutrophils contributes to the disruption of immune homeostasis to trigger HO. An understanding of the diverse roles of neutrophils will not only provide more information on the pathogenesis of skeletal muscle injury for repair and HO but also provides a foundation for the development of more efficacious treatment modalities for HO.
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Affiliation(s)
- Lin-Zhen Shu
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China
| | - Xian-Lei Zhang
- Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China
| | - Yi-Dan Ding
- Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China
| | - Hui Lin
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China.
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2
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Jiang D, Jiao L, Li Q, Xie R, Jia H, Wang S, Chen Y, Liu S, Huang D, Zheng J, Song W, Li Y, Chen J, Li J, Ying B, Yu L. Neutrophil-derived migrasomes are an essential part of the coagulation system. Nat Cell Biol 2024; 26:1110-1123. [PMID: 38997457 PMCID: PMC11251984 DOI: 10.1038/s41556-024-01440-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/14/2024] [Indexed: 07/14/2024]
Abstract
Migrasomes are organelles that are generated by migrating cells. Here we report the key role of neutrophil-derived migrasomes in haemostasis. We found that a large number of neutrophil-derived migrasomes exist in the blood of mice and humans. Compared with neutrophil cell bodies and platelets, these migrasomes adsorb and enrich coagulation factors on the surface. Moreover, they are highly enriched with adhesion molecules, which enable them to preferentially accumulate at sites of injury, where they trigger platelet activation and clot formation. Depletion of neutrophils, or genetic reduction of the number of these migrasomes, significantly decreases platelet plug formation and impairs coagulation. These defects can be rescued by intravenous injection of purified neutrophil-derived migrasomes. Our study reveals neutrophil-derived migrasomes as a previously unrecognized essential component of the haemostasis system, which may shed light on the cause of various coagulation disorders and open therapeutic possibilities.
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Affiliation(s)
- Dong Jiang
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Lin Jiao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Qing Li
- Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Renxiang Xie
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Haohao Jia
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - ShiHui Wang
- State Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Yining Chen
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Siyuan Liu
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Dandan Huang
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Jiajia Zheng
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, People's Republic of China
| | - Wenhao Song
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Ying Li
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - JianFeng Chen
- State Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Jinsong Li
- Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Li Yu
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China.
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3
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Park JY, Kim TY, Woo SW, Moon HY. Effect of exercise-induced Neutrophil maturation on skeletal muscle repair in vitro. Biochem Biophys Rep 2024; 38:101699. [PMID: 38601749 PMCID: PMC11004084 DOI: 10.1016/j.bbrep.2024.101699] [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: 12/13/2023] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Neutrophils as first line defender initiate a cascade of healing process immediately after muscle injury. At muscle injury site, neutrophils remove damaged muscle fibers and recruit other immune cells and these functions show in mature neutrophils. In the previous study, physical exercise can mediate neutrophils' functional changes such as phagocytosis and chemotaxis, though there is no research on how exercise-induced neutrophils contribute the muscle regeneration. In this present study, we investigated the maturation of neutrophils after 4 weeks of mouse treadmill exercise and assessed wound healing assay to evaluate whether treatment with exercise-activated neutrophils is effective for skeletal muscle repair in vitro. In the exercise group, significantly higher mRNA levels of maturation markers compared to the sedentary group and exercise-activated neutrophils improved wound healing of mouse muscle cells. To confirm at the human cell level, based on the well-known fact that exercise increases circulating cortisol levels, neutrophil-like cells were treated with dexamethasone (dHL60 + dex) as exercise mimetics. dHL60 + dex had significantly higher mRNA levels of neutrophil maturation marker and improved wound healing of human skeletal muscle cells compared to the control. These findings suggest that exercise affects neutrophil maturation and that exercise-induced neutrophils contribute to skeletal muscle repair in vitro.
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Affiliation(s)
- Jae Yeon Park
- Dept. of Physical Education, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Tae Yeon Kim
- Dept. of Physical Education, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Song Won Woo
- Dept. of Physical Education, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Hyo Youl Moon
- Dept. of Physical Education, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
- Institute of Sport Science, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
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4
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Ojueromi OO, Oboh G, Ademosun AO. Nigella sativa-Fortified Cookies Ameliorate Oxidative Stress, Inflammatory and Immune Dysfunction in Plasmodium berghei-Infected Murine Model. J Med Food 2024; 27:552-562. [PMID: 38935918 DOI: 10.1089/jmf.2023.0181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024] Open
Abstract
Malaria impedes the ability of primary cells of the immune system to generate an efficacious inflammatory and immune response. Black seed (Nigella sativa) is a core dietary supplement and food additive in folklore. This study investigated the antioxidant, immunomodulatory, and anti-inflammatory effects of N. sativa cookies in Plasmodium berghei-infected mice. Aqueous extract of black seed was prepared, and the total phenol and flavonoid contents were determined. The mice were infected with standard inoculum of the strain NK65 P. berghei. The mice weight and behavioral changes were observed. The mice were fed with the N. sativa cookies (2.5%, 5%, and 10%) and 10 mg/kg chloroquine for 5 consecutive days after the infection was established. The reactive oxygen species (ROS), malondialdehyde (MDA), superoxide dismutase, catalase, and hematological parameters (red cell indices, leukocytes, and its differentials) in the infected mice were determined. The inflammatory mediators, C-reactive protein (CRP), and myeloperoxidase (MPO) were also assayed. The result revealed that black seed had a total phenol content of 18.73 mgGAE/g and total flavonoid content of 0.36 mgQUE/g. The infected mice treated with N. sativa cookies showed significantly decreased parasitaemia, MDA, and ROS levels. Furthermore, the results showed significant suppression in proinflammatory mediators (CRP and MPO) levels and enhanced antioxidant status of infected mice treated with N. sativa. The study suggests that N. sativa could function as nutraceuticals in the management of Plasmodium infection associated with inflammatory and immunomodulatory disorders.
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Affiliation(s)
- Opeyemi O Ojueromi
- Functional Foods and Nutraceuticals Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
- Department of Pure and Applied Sciences, Precious Cornerstone University, Ibadan, Nigeria
| | - Ganiyu Oboh
- Functional Foods and Nutraceuticals Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Ayokunle O Ademosun
- Functional Foods and Nutraceuticals Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
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5
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Arif S, Richer M, Larochelle S, Moulin VJ. Microvesicles derived from dermal myofibroblasts modify the integrity of the blood and lymphatic barriers using distinct endocytosis pathways. JOURNAL OF EXTRACELLULAR BIOLOGY 2024; 3:e151. [PMID: 38939570 PMCID: PMC11080715 DOI: 10.1002/jex2.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/06/2024] [Accepted: 04/15/2024] [Indexed: 06/29/2024]
Abstract
Microvesicles (MVs) are a subtype of extracellular vesicles that can transfer biological information from their producer cells to target cells. This communication can in turn affect both normal and pathological processes. Mounting evidence has revealed that dermal wound myofibroblasts (Wmyo) produce MVs, which can transfer biomolecules impacting receptor cells such as human dermal microvascular endothelial cells (HDMECs). While the effects of MVs on HDMECs are generally well described in the literature, little is known about the transport of MVs across the HDMEC barrier, and their potential effect on the barrier integrity remains unknown. Here, we investigated these roles of Wmyo-derived MVs on two sub-populations of HDMECs, blood endothelial cells (BECs) and lymphatic endothelial cells (LECs). Using an in vitro model to mimic the endothelial barrier, we showed that MVs crossed the LEC barrier but not the BEC barrier. In addition, we demonstrated that MVs were able to influence the cell-cell junctions of HDMECs. Specifically, we observed that after internalization via the predominantly caveolin-dependent pathway, MVs induced the opening of junctions in BECs. Conversely, in LECs, MVs mainly use the macropinocytosis pathway and induce closure of these junctions. Moreover, proteins in the MV membrane were responsible for this effect, but not specifically those belonging to the VEGF family. Finally, we found that once the LEC barrier permeability was reduced by MV stimuli, MVs ceased to cross the barrier. Conversely, when the BEC barrier was rendered permeable following stimulation with MVs, they were subsequently able to cross the barrier via the paracellular pathway. Taken together, these results suggest that the study of Wmyo-derived MVs offers valuable insights into their interaction with the HDMEC barrier in the context of wound healing. They highlight the potential significance of these MVs in the overall process.
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Affiliation(s)
- Syrine Arif
- Centre de recherche en organogénèse expérimentale de l'Université Laval/LOEXCentre de recherche du CHU de Québec‐Université LavalQuebecCanada
| | - Megan Richer
- Centre de recherche en organogénèse expérimentale de l'Université Laval/LOEXCentre de recherche du CHU de Québec‐Université LavalQuebecCanada
| | - Sébastien Larochelle
- Centre de recherche en organogénèse expérimentale de l'Université Laval/LOEXCentre de recherche du CHU de Québec‐Université LavalQuebecCanada
| | - Véronique J. Moulin
- Centre de recherche en organogénèse expérimentale de l'Université Laval/LOEXCentre de recherche du CHU de Québec‐Université LavalQuebecCanada
- Department of Surgery, Faculty of MedicineUniversité LavalQuebecCanada
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6
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Ortmann W, Such A, Kolaczkowska E. Impact of microparticles released during murine systemic inflammation on macrophage activity and reactive nitrogen species regulation. Immunol Res 2024; 72:299-319. [PMID: 38008825 PMCID: PMC11031483 DOI: 10.1007/s12026-023-09436-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 11/13/2023] [Indexed: 11/28/2023]
Abstract
Microparticles (MPs) packaged with numerous bioactive molecules are essential vehicles in cellular communication in various pathological conditions, including systemic inflammation, Whereas MPs are studied mostly upon isolation, their detection in vivo is limited. Impact of MPs might depend on target cell type and cargo they carry; thus herein, we aimed at verifying MPs' impact on macrophages. Unlike neutrophils, monocytes/macrophages are rather inactive during sepsis, and we hypothesized this might be at least partially controlled by MPs. For the above reasons, we focused on the detection of MPs with intravital microscopy (IVM) and report the presence of putative neutrophil-derived MPs in the vasculature of cremaster muscle of endotoxemic mice. Subsequently, we characterized MPs isolated not only from their blood but also from the peritoneal cavity and observed differences in their size, concentration, and cargo. Such MPs were then used to study their impact on RAW 264.7 macrophage cell line performance (cell viability/activity, cytokines, oxygen, and nitrogen reactive species). Addition of MPs to macrophages with or without co-stimulation with lipopolysaccharide did not affect respiratory burst, somewhat decreased mitochondrial activity but increased inducible nitric oxide synthase (iNOS) expression, and NO production especially in case of plasma-derived MPs. The latter MPs carried more iNOS-controlling ceruloplasmin than those discharged into the peritoneal cavity. We conclude that MPs can be detected in vivo with IVM and their cellular origin identified. They are heterogeneous in nature depending on the site of their release. Consequently, microparticles released during systemic inflammation to various body compartments differentially affect macrophages.
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Affiliation(s)
- Weronika Ortmann
- Laboratory of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Street, 30-387, Krakow, Poland
| | - Anna Such
- Laboratory of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Street, 30-387, Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Krakow, Poland
| | - Elzbieta Kolaczkowska
- Laboratory of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Street, 30-387, Krakow, Poland.
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7
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Santacroce E, D'Angerio M, Ciobanu AL, Masini L, Lo Tartaro D, Coloretti I, Busani S, Rubio I, Meschiari M, Franceschini E, Mussini C, Girardis M, Gibellini L, Cossarizza A, De Biasi S. Advances and Challenges in Sepsis Management: Modern Tools and Future Directions. Cells 2024; 13:439. [PMID: 38474403 DOI: 10.3390/cells13050439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
Sepsis, a critical condition marked by systemic inflammation, profoundly impacts both innate and adaptive immunity, often resulting in lymphopenia. This immune alteration can spare regulatory T cells (Tregs) but significantly affects other lymphocyte subsets, leading to diminished effector functions, altered cytokine profiles, and metabolic changes. The complexity of sepsis stems not only from its pathophysiology but also from the heterogeneity of patient responses, posing significant challenges in developing universally effective therapies. This review emphasizes the importance of phenotyping in sepsis to enhance patient-specific diagnostic and therapeutic strategies. Phenotyping immune cells, which categorizes patients based on clinical and immunological characteristics, is pivotal for tailoring treatment approaches. Flow cytometry emerges as a crucial tool in this endeavor, offering rapid, low cost and detailed analysis of immune cell populations and their functional states. Indeed, this technology facilitates the understanding of immune dysfunctions in sepsis and contributes to the identification of novel biomarkers. Our review underscores the potential of integrating flow cytometry with omics data, machine learning and clinical observations to refine sepsis management, highlighting the shift towards personalized medicine in critical care. This approach could lead to more precise interventions, improving outcomes in this heterogeneously affected patient population.
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Affiliation(s)
- Elena Santacroce
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Miriam D'Angerio
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Alin Liviu Ciobanu
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Linda Masini
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Domenico Lo Tartaro
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Irene Coloretti
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Stefano Busani
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Ignacio Rubio
- Department of Anesthesiology and Intensive Care Medicine, Center for Sepsis Control and Care, Jena University Hospital, 07747 Jena, Germany
| | - Marianna Meschiari
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Erica Franceschini
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Cristina Mussini
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Massimo Girardis
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Lara Gibellini
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Andrea Cossarizza
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Sara De Biasi
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, 41125 Modena, Italy
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8
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Rizo-Téllez SA, Filep JG. Beyond host defense and tissue injury: the emerging role of neutrophils in tissue repair. Am J Physiol Cell Physiol 2024; 326:C661-C683. [PMID: 38189129 PMCID: PMC11193466 DOI: 10.1152/ajpcell.00652.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
Neutrophils, the most abundant immune cells in human blood, play a fundamental role in host defense against invading pathogens and tissue injury. Neutrophils carry potentially lethal weaponry to the affected site. Inadvertent and perpetual neutrophil activation could lead to nonresolving inflammation and tissue damage, a unifying mechanism of many common diseases. The prevailing view emphasizes the dichotomy of their function, host defense versus tissue damage. However, tissue injury may also persist during neutropenia, which is associated with disease severity and poor outcome. Numerous studies highlight neutrophil phenotypic heterogeneity and functional versatility, indicating that neutrophils play more complex roles than previously thought. Emerging evidence indicates that neutrophils actively orchestrate resolution of inflammation and tissue repair and facilitate return to homeostasis. Thus, neutrophils mobilize multiple mechanisms to limit the inflammatory reaction, assure debris removal, matrix remodeling, cytokine scavenging, macrophage reprogramming, and angiogenesis. In this review, we will summarize the homeostatic and tissue-reparative functions and mechanisms of neutrophils across organs. We will also discuss how the healing power of neutrophils might be harnessed to develop novel resolution and repair-promoting therapies while maintaining their defense functions.
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Affiliation(s)
- Salma A Rizo-Téllez
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
| | - János G Filep
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
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9
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Chong MC, Shah AD, Schittenhelm RB, Silva A, James PF, Wu SSX, Howitt J. Acute exercise-induced release of innate immune proteins via small extracellular vesicles changes with aerobic fitness and age. Acta Physiol (Oxf) 2024; 240:e14095. [PMID: 38243724 DOI: 10.1111/apha.14095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 10/04/2023] [Accepted: 01/01/2024] [Indexed: 01/21/2024]
Abstract
AIM Physical exercise triggers the secretion of small extracellular vesicles (sEVs) into the circulation in humans, enabling signalling crosstalk between tissues. Exercise-derived EVs and their cargo have been proposed to mediate adaptations to exercise; however, our understanding of how exercise-derived EV protein cargo is modulated by factors such as aerobic fitness and age of an individual is currently unknown. Here, we examined the circulating sEV proteome following aerobic exercise in healthy males of different ages and aerobic fitness to understand exercise-induced EV response during the aging process. METHODS Twenty-eight healthy men completed a bout of 20-min cycling exercise at 70% estimated VO2peak . Small EVs were isolated from blood samples collected before and immediately after exercise, and then quantified using particle analysis and Western blotting. Small EV proteome was examined using quantitative proteomic analysis. RESULTS We identified a significant increase in 13 proteins in small plasma EVs following moderate-to-vigorous intensity exercise. We observed distinct changes in sEV proteome after exercise in young, mature, unfit, and fit individuals, highlighting the impact of aerobic fitness and age on sEV protein secretion. Functional enrichment and pathway analysis identified that the majority of the significantly altered sEV proteins are associated with the innate immune system, including proteins known to be damage-associated molecular patterns (DAMPs). CONCLUSION Together, our findings suggest that exercise-evoked acute stress can positively challenge the innate immune system through the release of signalling molecules such as DAMPs in sEVs, proposing a novel EV-based mechanism for moderate-to-vigorous intensity exercise in immune surveillance pathways.
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Affiliation(s)
- Mee Chee Chong
- School of Health Sciences, Swinburne University of Technology, Hawthorn, Victoria, Australia
| | - Anup D Shah
- Monash Proteomics and Metabolomics Facility, Monash University, Clayton, Victoria, Australia
| | - Ralf B Schittenhelm
- Monash Proteomics and Metabolomics Facility, Monash University, Clayton, Victoria, Australia
| | - Anabel Silva
- Exopharm Limited, Melbourne, Victoria, Australia
| | | | - Sam Shi Xuan Wu
- School of Health Sciences, Swinburne University of Technology, Hawthorn, Victoria, Australia
| | - Jason Howitt
- School of Health Sciences, Swinburne University of Technology, Hawthorn, Victoria, Australia
- Iverson Health Innovation Institute, Swinburne University of Technology, Hawthorn, Victoria, Australia
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10
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Jung I, Shin S, Baek MC, Yea K. Modification of immune cell-derived exosomes for enhanced cancer immunotherapy: current advances and therapeutic applications. Exp Mol Med 2024; 56:19-31. [PMID: 38172594 PMCID: PMC10834411 DOI: 10.1038/s12276-023-01132-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/05/2023] [Indexed: 01/05/2024] Open
Abstract
Cancer immunotherapy has revolutionized the approach to cancer treatment of malignant tumors by harnessing the body's immune system to selectively target cancer cells. Despite remarkable advances, there are still challenges in achieving successful clinical responses. Recent evidence suggests that immune cell-derived exosomes modulate the immune system to generate effective antitumor immune responses, making them a cutting-edge therapeutic strategy. However, natural exosomes are limited in clinical application due to their low drug delivery efficiency and insufficient antitumor capacity. Technological advancements have allowed exosome modifications to magnify their intrinsic functions, load different therapeutic cargoes, and preferentially target tumor sites. These engineered exosomes exert potent antitumor effects and have great potential for cancer immunotherapy. In this review, we describe ingenious modification strategies to attain the desired performance. Moreover, we systematically summarize the tumor-controlling properties of engineered immune cell-derived exosomes in innate and adaptive immunity. Collectively, this review provides a comprehensive and intuitive guide for harnessing the potential of modified immune cell-derived exosome-based approaches, offering valuable strategies to enhance and optimize cancer immunotherapy.
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Affiliation(s)
- Inseong Jung
- Department of New Biology, DGIST, Daegu, 42988, Republic of Korea
| | - Sanghee Shin
- Department of New Biology, DGIST, Daegu, 42988, Republic of Korea
| | - Moon-Chang Baek
- Department of Molecular Medicine, CMRI, Exosome Convergence Research Center (ECRC), School of Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea.
| | - Kyungmoo Yea
- Department of New Biology, DGIST, Daegu, 42988, Republic of Korea.
- New Biology Research Center, DGIST, Daegu, 43024, Republic of Korea.
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11
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Fyfe J, Dye D, Razak NBA, Metharom P, Falasca M. Immune evasion on the nanoscale: Small extracellular vesicles in pancreatic ductal adenocarcinoma immunity. Semin Cancer Biol 2023; 96:36-47. [PMID: 37748738 DOI: 10.1016/j.semcancer.2023.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/16/2023] [Accepted: 09/18/2023] [Indexed: 09/27/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a type of cancer alarmingly expanding in our modern societies that is still proving to be very challenging to counteract. This disease constitutes a quintessential example of the multiple interactions existing between the tumour and its surrounding microenvironment. In particular, PDAC is characterized by a very immunosuppressive environment that favours cancer growth and makes this cancer type very resistant to immunotherapy. The primary tumour releases many factors that influence both the microenvironment and the immune landscape. Extracellular vesicles (EVs), recently identified as indispensable entities ensuring cell-to-cell communication in both physiological and pathological processes, seem to play a pivotal function in ensuring the delivery of these factors to the tumour-surrounding tissues. In this review, we summarize the present understanding on the crosstalk among tumour cells and the cellular immune microenvironment emphasizing the pro-malignant role played by extracellular vesicles. We also discuss how a greater knowledge of the roles of EVs in tumour immune escape could be translated into clinical applications.
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Affiliation(s)
- Jordan Fyfe
- Metabolic Signalling Group, Curtin Medical School, Curtin Health and Innovation Research Institute [1], Faculty of Health Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Danielle Dye
- Curtin Medical School, Curtin Health and Innovation Research Institute [1], Faculty of Health Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Norbaini Binti Abdol Razak
- Platelet Research Laboratory, Curtin Medical School, Curtin Health and Innovation Research Institute [1], Faculty of Health Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Pat Metharom
- Platelet Research Laboratory, Curtin Medical School, Curtin Health and Innovation Research Institute [1], Faculty of Health Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Marco Falasca
- Metabolic Signalling Group, Curtin Medical School, Curtin Health and Innovation Research Institute [1], Faculty of Health Sciences, Curtin University, Bentley, WA 6102, Australia; University of Parma, Department of Medicine and Surgery, Via Volturno 39, 43125 Parma, Italy.
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12
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Poledniczek M, Neumayer C, Kopp CW, Schlager O, Gremmel T, Jozkowicz A, Gschwandtner ME, Koppensteiner R, Wadowski PP. Micro- and Macrovascular Effects of Inflammation in Peripheral Artery Disease-Pathophysiology and Translational Therapeutic Approaches. Biomedicines 2023; 11:2284. [PMID: 37626780 PMCID: PMC10452462 DOI: 10.3390/biomedicines11082284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Inflammation has a critical role in the development and progression of atherosclerosis. On the molecular level, inflammatory pathways negatively impact endothelial barrier properties and thus, tissue homeostasis. Conformational changes and destruction of the glycocalyx further promote pro-inflammatory pathways also contributing to pro-coagulability and a prothrombotic state. In addition, changes in the extracellular matrix composition lead to (peri-)vascular remodelling and alterations of the vessel wall, e.g., aneurysm formation. Moreover, progressive fibrosis leads to reduced tissue perfusion due to loss of functional capillaries. The present review aims at discussing the molecular and clinical effects of inflammatory processes on the micro- and macrovasculature with a focus on peripheral artery disease.
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Affiliation(s)
- Michael Poledniczek
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, 1090 Vienna, Austria;
| | - Christoph W. Kopp
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Oliver Schlager
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Thomas Gremmel
- Department of Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, 2130 Mistelbach, Austria;
- Institute of Cardiovascular Pharmacotherapy and Interventional Cardiology, Karl Landsteiner Society, 3100 St. Pölten, Austria
| | - Alicja Jozkowicz
- Department of Medical Biotechnology, Faculty of Biophysics, Biochemistry and Biotechnology, Jagiellonian University, 31-007 Krakow, Poland;
| | - Michael E. Gschwandtner
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Renate Koppensteiner
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Patricia P. Wadowski
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
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13
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Bert S, Nadkarni S, Perretti M. Neutrophil-T cell crosstalk and the control of the host inflammatory response. Immunol Rev 2023; 314:36-49. [PMID: 36326214 PMCID: PMC10952212 DOI: 10.1111/imr.13162] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
While fundamental in their innate role in combating infection and responding to injury, neutrophils are emerging as key modulators of adaptive immune responses. Such functions are attained via both soluble and nonsoluble effectors that enable at least two major downstream outcomes: first, to mediate and control acute inflammatory responses and second, to regulate adaptive immunity and ultimately promoting the development and maintenance of immune tolerance either by releasing immuno-modulatory factors, including cytokines, or by directly interacting with cells of the adaptive immune system. Herein, we review these novel properties of neutrophils and redefine the pathophysiological functions of these fascinating multi-tasking cells, exploring the different mechanisms through which neutrophils are able to either enhance and orchestrate T cell pro-inflammatory responses or inhibit T cell activity to maintain immune tolerance.
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Affiliation(s)
- Serena Bert
- The William Harvey Research InstituteQueen Mary University of LondonLondonUK
| | - Suchita Nadkarni
- The William Harvey Research InstituteQueen Mary University of LondonLondonUK
| | - Mauro Perretti
- The William Harvey Research InstituteQueen Mary University of LondonLondonUK
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14
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Sounbuli K, Mironova N, Alekseeva L. Diverse Neutrophil Functions in Cancer and Promising Neutrophil-Based Cancer Therapies. Int J Mol Sci 2022; 23:ijms232415827. [PMID: 36555469 PMCID: PMC9779721 DOI: 10.3390/ijms232415827] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/09/2022] [Accepted: 12/11/2022] [Indexed: 12/15/2022] Open
Abstract
Neutrophils represent the most abundant cell type of leukocytes in the human blood and have been considered a vital player in the innate immune system and the first line of defense against invading pathogens. Recently, several studies showed that neutrophils play an active role in the immune response during cancer development. They exhibited both pro-oncogenic and anti-tumor activities under the influence of various mediators in the tumor microenvironment. Neutrophils can be divided into several subpopulations, thus contradicting the traditional concept of neutrophils as a homogeneous population with a specific function in the innate immunity and opening new horizons for cancer therapy. Despite the promising achievements in this field, a full understanding of tumor-neutrophil interplay is currently lacking. In this review, we try to summarize the current view on neutrophil heterogeneity in cancer, discuss the different communication pathways between tumors and neutrophils, and focus on the implementation of these new findings to develop promising neutrophil-based cancer therapies.
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Affiliation(s)
- Khetam Sounbuli
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Lavrentiev Ave., 8, Novosibirsk 630090, Russia
- Faculty of Natural Sciences, Novosibirsk State University, Novosibirsk 630090, Russia
| | - Nadezhda Mironova
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Lavrentiev Ave., 8, Novosibirsk 630090, Russia
- Correspondence: ; Tel.: +7-383-363-51-61
| | - Ludmila Alekseeva
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Lavrentiev Ave., 8, Novosibirsk 630090, Russia
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15
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Tian C, Wang K, Zhao M, Cong S, Di X, Li R. Extracellular vesicles participate in the pathogenesis of sepsis. Front Cell Infect Microbiol 2022; 12:1018692. [PMID: 36579343 PMCID: PMC9791067 DOI: 10.3389/fcimb.2022.1018692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 11/23/2022] [Indexed: 12/14/2022] Open
Abstract
Sepsis is one of the leading causes of mortality worldwide and is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. The early diagnosis and effective treatment of sepsis still face challenges due to its rapid progression, dynamic changes, and strong heterogeneity among different individuals. To develop novel strategies to control sepsis, a better understanding of the complex mechanisms of sepsis is vital. Extracellular vesicles (EVs) are membrane vesicles released from cells through different mechanisms. In the disease state, the number of EVs produced by activated or apoptotic cells and the cargoes they carry were altered. They regulated the function of local or distant host cells in autocrine or paracrine ways. Current studies have found that EVs are involved in the occurrence and development of sepsis through multiple pathways. In this review, we focus on changes in the cargoes of EVs in sepsis, the regulatory roles of EVs derived from host cells and bacteria, and how EVs are involved in multiple pathological processes and organ dysfunction in sepsis. Overall, EVs have great application prospects in sepsis, such as early diagnosis of sepsis, dynamic monitoring of disease, precise therapeutic targets, and prevention of sepsis as a vaccine platform.
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Affiliation(s)
- Chang Tian
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Ke Wang
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Min Zhao
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Shan Cong
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Xin Di
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Ranwei Li
- Department of Urinary Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China,*Correspondence: Ranwei Li,
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16
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Rizo-Téllez SA, Sekheri M, Filep JG. Myeloperoxidase: Regulation of Neutrophil Function and Target for Therapy. Antioxidants (Basel) 2022; 11:antiox11112302. [PMID: 36421487 PMCID: PMC9687284 DOI: 10.3390/antiox11112302] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/04/2022] [Accepted: 11/18/2022] [Indexed: 11/24/2022] Open
Abstract
Neutrophils, the most abundant white blood cells in humans, are critical for host defense against invading pathogens. Equipped with an array of antimicrobial molecules, neutrophils can eradicate bacteria and clear debris. Among the microbicide proteins is the heme protein myeloperoxidase (MPO), stored in the azurophilic granules, and catalyzes the formation of the chlorinating oxidant HOCl and other oxidants (HOSCN and HOBr). MPO is generally associated with killing trapped bacteria and inflicting collateral tissue damage to the host. However, the characterization of non-enzymatic functions of MPO suggests additional roles for this protein. Indeed, evolving evidence indicates that MPO can directly modulate the function and fate of neutrophils, thereby shaping immunity. These actions include MPO orchestration of neutrophil trafficking, activation, phagocytosis, lifespan, formation of extracellular traps, and MPO-triggered autoimmunity. This review scrutinizes the multifaceted roles of MPO in immunity, focusing on neutrophil-mediated host defense, tissue damage, repair, and autoimmunity. We also discuss novel therapeutic approaches to target MPO activity, expression, or MPO signaling for the treatment of inflammatory and autoimmune diseases.
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Affiliation(s)
- Salma A. Rizo-Téllez
- Department of Pathology and Cell Biology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center, Maisonneuve-Rosemont Hospital, Montreal, QC H1T 2M4, Canada
| | - Meriem Sekheri
- Department of Pathology and Cell Biology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center, Maisonneuve-Rosemont Hospital, Montreal, QC H1T 2M4, Canada
| | - János G. Filep
- Department of Pathology and Cell Biology, University of Montreal, Montreal, QC H3T 1J4, Canada
- Research Center, Maisonneuve-Rosemont Hospital, Montreal, QC H1T 2M4, Canada
- Correspondence: ; Tel.: +1-514-252-3400 (ext. 4662)
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17
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Carrillo-Rodríguez P, Robles-Guirado JÁ, Cruz-Palomares A, Palacios-Pedrero MÁ, González-Paredes E, Más-Ciurana A, Franco-Herrera C, Ruiz-de-Castroviejo-Teba PA, Lario A, Longobardo V, Montosa-Hidalgo L, Pérez-Sánchez-Cañete MM, Corzo-Corbera MM, Redondo-Sánchez S, Jodar AB, Blanco FJ, Zumaquero E, Merino R, Sancho J, Zubiaur M. Extracellular vesicles from pristane-treated CD38-deficient mice express an anti-inflammatory neutrophil protein signature, which reflects the mild lupus severity elicited in these mice. Front Immunol 2022; 13:1013236. [DOI: 10.3389/fimmu.2022.1013236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 09/23/2022] [Indexed: 11/13/2022] Open
Abstract
In CD38-deficient (Cd38-/-) mice intraperitoneal injection of pristane induces a lupus-like disease, which is milder than that induced in WT mice, showing significant differences in the inflammatory and autoimmune processes triggered by pristane. Extracellular vesicles (EV) are present in all body fluids. Shed by cells, their molecular make-up reflects that of their cell of origin and/or tissue pathological situation. The aim of this study was to analyze the protein composition, protein abundance, and functional clustering of EV released by peritoneal exudate cells (PECs) in the pristane experimental lupus model, to identify predictive or diagnostic biomarkers that might discriminate the autoimmune process in lupus from inflammatory reactions and/or normal physiological processes. In this study, thanks to an extensive proteomic analysis and powerful bioinformatics software, distinct EV subtypes were identified in the peritoneal exudates of pristane-treated mice: 1) small EV enriched in the tetraspanin CD63 and CD9, which are likely of exosomal origin; 2) small EV enriched in CD47 and CD9, which are also enriched in plasma-membrane, membrane-associated proteins, with an ectosomal origin; 3) small EV enriched in keratins, ECM proteins, complement/coagulation proteins, fibrin clot formation proteins, and endopetidase inhibitor proteins. This enrichment may have an inflammation-mediated mesothelial-to-mesenchymal transition origin, representing a protein corona on the surface of peritoneal exudate EV; 4) HDL-enriched lipoprotein particles. Quantitative proteomic analysis allowed us to identify an anti-inflammatory, Annexin A1-enriched pro-resolving, neutrophil protein signature, which was more prominent in EV from pristane-treated Cd38-/- mice, and quantitative differences in the protein cargo of the ECM-enriched EV from Cd38-/- vs WT mice. These differences are likely to be related with the distinct inflammatory outcome shown by Cd38-/- vs WT mice in response to pristane treatment. Our results demonstrate the power of a hypothesis-free and data-driven approach to transform the heterogeneity of the peritoneal exudate EV from pristane-treated mice in valuable information about the relative proportion of different EV in a given sample and to identify potential protein markers specific for the different small EV subtypes, in particular those proteins defining EV involved in the resolution phase of chronic inflammation.
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18
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Wang J, Le W, Yan T, Jiang J, Chen B. Usage of Nanoparticles to Alter Neutrophils' Function for Therapy. ACS Biomater Sci Eng 2022; 8:3676-3689. [PMID: 36018296 DOI: 10.1021/acsbiomaterials.2c00711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Neutrophils, the most abundant white blood cells in the human body, are important immune cells responsible for the innate immune response. Neutrophils can migrate to inflammatory areas, such as tumor sites and infection sites, because of chemotaxis. Neutrophil-based nanomaterials, such as neutrophil-nanomaterial composites and neutrophil membrane-based nanomaterials, can help the drug or imaging agent gather in the inflammatory area with the help of chemotaxis. In addition, some nanomaterials can interfere with the function of neutrophils to treat tissue damage caused by excessive local accumulation of neutrophils. This review focuses on the interaction between nanomaterials and neutrophils as well as the applications of neutrophil-based nanomaterials and neutrophil-interfering nanomaterials.
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Affiliation(s)
- Jing Wang
- Institute for Regenerative Medicine, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai 200092, China
| | - Wenjun Le
- Shanghai East Hospital Ji'an Hospital, 80 Ji'an South Road, Ji'an City 343000, Jiangxi Province, China
| | - Tinghua Yan
- Department of Interventional Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jinhua Jiang
- Department of Interventional Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Bingdi Chen
- Institute for Regenerative Medicine, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai 200092, China
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19
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Pfister H. Neutrophil Extracellular Traps and Neutrophil-Derived Extracellular Vesicles: Common Players in Neutrophil Effector Functions. Diagnostics (Basel) 2022; 12:diagnostics12071715. [PMID: 35885618 PMCID: PMC9323717 DOI: 10.3390/diagnostics12071715] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 02/06/2023] Open
Abstract
Neutrophil granulocytes are a central component of the innate immune system. In recent years, they have gained considerable attention due to newly discovered biological effector functions and their involvement in various pathological conditions. They have been shown to trigger mechanisms that can either promote or inhibit the development of autoimmunity, thrombosis, and cancer. One mechanism for their modulatory effect is the release of extracellular vesicles (EVs), that trigger appropriate signaling pathways in immune cells and other target cells. In addition, activated neutrophils can release bactericidal DNA fibers decorated with proteins from neutrophil granules (neutrophil extracellular traps, NETs). While NETs are very effective in limiting pathogens, they can also cause severe damage if released in excess or cleared inefficiently. Since NETs and EVs share a variety of neutrophil molecules and initially act in the same microenvironment, differential biochemical and functional analysis is particularly challenging. This review focuses on the biochemical and functional parallels and the extent to which the overlapping spectrum of effector molecules has an impact on biological and pathological effects.
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Affiliation(s)
- Heiko Pfister
- Munich Biomarker Research Center, Institute of Laboratory Medicine, German Heart Center Munich, Technical University Munich, D-80636 Munich, Germany
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20
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Polak D, Bohle B. Neutrophils-typical atypical antigen presenting cells? Immunol Lett 2022; 247:52-58. [DOI: 10.1016/j.imlet.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/28/2022] [Accepted: 04/28/2022] [Indexed: 11/05/2022]
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21
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Different Contribution of Monocyte- and Platelet-Derived Microvesicles to Endothelial Behavior. Int J Mol Sci 2022; 23:ijms23094811. [PMID: 35563201 PMCID: PMC9105732 DOI: 10.3390/ijms23094811] [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: 04/06/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 11/17/2022] Open
Abstract
Several contributions of circulating microvesicles (MVs) to the endothelial dysfunction have been reported in the past; a head-to-head comparison of platelet- and monocyte–derived MVs has however never been performed. To this aim, we assessed the involvement of these MVs in vessel damage related processes, i.e., oxidative stress, inflammation, and leukocyte-endothelial adhesion. Platelets and monocytes isolated from healthy subjects (HS, n = 15) were stimulated with TRAP-6 and LPS to release MVs that were added to human vascular endothelial cell (hECV) culture to evaluate superoxide anion production, inflammatory markers (IL-6, TNFα, NF-κB mRNA expression), and hECV adhesiveness. The effects of the MVs-induced from HS were compared to those induced by MVs spontaneously released from cells of patients with ST-segment elevation myocardial infarction (STEMI, n = 7). MVs released by HS-activated cells triggered a threefold increase in oxidative burst in a concentration-dependent manner. Only MVs released from monocytes doubled IL-6, TNFα, and NF-κB mRNA expression and monocyte-endothelial adhesion. Interestingly, the effects of the MVs isolated from STEMI-monocytes were not superimposable to previous ones except for adhesion to hECV. Conversely, MVs released from STEMI-platelets sustained both redox state and inflammatory phenotype. These data provide evidence that MVs released from activated and/or pathologic platelets and monocytes differently affect endothelial behavior, highlighting platelet-MVs as causative factors of impaired endothelial function in the acute phase of STEMI.
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22
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Piccolo EB, Thorp EB, Sumagin R. Functional implications of neutrophil metabolism during ischemic tissue repair. Curr Opin Pharmacol 2022; 63:102191. [PMID: 35276496 PMCID: PMC8995387 DOI: 10.1016/j.coph.2022.102191] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 01/10/2022] [Accepted: 01/17/2022] [Indexed: 12/11/2022]
Abstract
Immune cell mobilization and their accumulation in the extravascular space is a key consequence of tissue injury. Maladaptive trafficking and immune activation following reperfusion of ischemic tissue can exacerbate tissue repair. After ischemic injury such as myocardial infarction (MI), PMNs are the first cells to arrive at the sites of insult and their response is critical for the sequential progression of ischemia from inflammation to resolution and finally to tissue repair. However, PMN-induced inflammation can also be detrimental to cardiac function and ultimately lead to heart failure. In this review, we highlight the role of PMNs during key cellular and molecular events of ischemic heart failure. We address new research on PMN metabolism, and how this orchestrates diverse functions such as PMN chemotaxis, degranulation, and phagocytosis. Particular focus is given to PMN metabolism regulation by mitochondrial function and mTOR kinase activity.
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Affiliation(s)
- Enzo B Piccolo
- Department of Pathology, Northwestern University Feinberg School of Medicine, 300 East Superior St, Chicago, IL, 60611, USA
| | - Edward B Thorp
- Department of Pathology, Northwestern University Feinberg School of Medicine, 300 East Superior St, Chicago, IL, 60611, USA.
| | - Ronen Sumagin
- Department of Pathology, Northwestern University Feinberg School of Medicine, 300 East Superior St, Chicago, IL, 60611, USA.
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23
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Zheng C, Xie L, Qin H, Liu X, Chen X, Lv F, Wang L, Zhu X, Xu J. The Role of Extracellular Vesicles in Systemic Lupus Erythematosus. Front Cell Dev Biol 2022; 10:835566. [PMID: 35309937 PMCID: PMC8924487 DOI: 10.3389/fcell.2022.835566] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/07/2022] [Indexed: 12/19/2022] Open
Abstract
Extracellular Vesicles (EVs) are small vesicles that can be actively secreted by most cell types into the extracellular environment. Evidence indicates that EVs can carry microRNAs (miRNAs), long non-coding RNAs (lncRNAs), tRNA-derived small RNAs (tsRNAs), proteins, and lipids to target cells or tissue organizations. Latest studies show that EVs play a vital role in the immune modulation and may contribute to the pathogenesis of autoimmune diseases. Systemic lupus erythematosus (SLE) is a common autoimmune disease characterized by abnormal T cell activation and sustained production of autoantibodies against self-antigens, resulting in inflammation and damage to multiple systems. Pathogenic mechanisms of SLE, however, are still not well understood. In this review, we summarize the latest research advances on the functions and mechanisms of EVs, and its role in the pathogenesis, diagnosis, and treatment of SLE.
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Affiliation(s)
| | - Lin Xie
- *Correspondence: Lin Xie, ; Xiaohua Zhu, ; Jinhua Xu,
| | | | | | | | | | | | - Xiaohua Zhu
- *Correspondence: Lin Xie, ; Xiaohua Zhu, ; Jinhua Xu,
| | - Jinhua Xu
- *Correspondence: Lin Xie, ; Xiaohua Zhu, ; Jinhua Xu,
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24
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Albakova Z, Mangasarova Y, Albakov A, Gorenkova L. HSP70 and HSP90 in Cancer: Cytosolic, Endoplasmic Reticulum and Mitochondrial Chaperones of Tumorigenesis. Front Oncol 2022; 12:829520. [PMID: 35127545 PMCID: PMC8814359 DOI: 10.3389/fonc.2022.829520] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 01/03/2022] [Indexed: 12/12/2022] Open
Abstract
HSP70 and HSP90 are two powerful chaperone machineries involved in survival and proliferation of tumor cells. Residing in various cellular compartments, HSP70 and HSP90 perform specific functions. Concurrently, HSP70 and HSP90 homologs may also translocate from their primary site under various stress conditions. Herein, we address the current literature on the role of HSP70 and HSP90 chaperone networks in cancer. The goal is to provide a comprehensive review on the functions of cytosolic, mitochondrial and endoplasmic reticulum HSP70 and HSP90 homologs in cancer. Given that high expression of HSP70 and HSP90 enhances tumor development and associates with tumor aggressiveness, further understanding of HSP70 and HSP90 chaperone networks may provide clues for the discoveries of novel anti-cancer therapies.
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Affiliation(s)
- Zarema Albakova
- Department of Biology, Lomonosov Moscow State University, Moscow, Russia
- *Correspondence: Zarema Albakova,
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25
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Effects of Formyl Peptide Receptor Agonists Ac9-12 and WKYMV in In Vivo and In Vitro Acute Inflammatory Experimental Models. Cells 2022; 11:cells11020228. [PMID: 35053343 PMCID: PMC8773544 DOI: 10.3390/cells11020228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/16/2021] [Accepted: 01/04/2022] [Indexed: 11/24/2022] Open
Abstract
Formyl peptide receptors (Fprs) are a G-protein-coupled receptor family mainly expressed on leukocytes. The activation of Fpr1 and Fpr2 triggers a cascade of signaling events, leading to leukocyte migration, cytokine release, and increased phagocytosis. In this study, we evaluate the effects of the Fpr1 and Fpr2 agonists Ac9-12 and WKYMV, respectively, in carrageenan-induced acute peritonitis and LPS-stimulated macrophages. Peritonitis was induced in male C57BL/6 mice through the intraperitoneal injection of 1 mL of 3% carrageenan solution or saline (control). Pre-treatments with Ac9-12 and WKYMV reduced leukocyte influx to the peritoneal cavity, particularly neutrophils and monocytes, and the release of IL-1β. The addition of the Fpr2 antagonist WRW4 reversed only the anti-inflammatory actions of WKYMV. In vitro, the administration of Boc2 and WRW4 reversed the effects of Ac9-12 and WKYMV, respectively, in the production of IL-6 by LPS-stimulated macrophages. These biological effects of peptides were differently regulated by ERK and p38 signaling pathways. Lipidomic analysis evidenced that Ac9-12 and WKYMV altered the intracellular lipid profile of LPS-stimulated macrophages, revealing an increased concentration of several glycerophospholipids, suggesting regulation of inflammatory pathways triggered by LPS. Overall, our data indicate the therapeutic potential of Ac9-12 and WKYMV via Fpr1 or Fpr2-activation in the inflammatory response and macrophage activation.
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26
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Vandooren J, Itoh Y. Alpha-2-Macroglobulin in Inflammation, Immunity and Infections. Front Immunol 2022; 12:803244. [PMID: 34970276 PMCID: PMC8712716 DOI: 10.3389/fimmu.2021.803244] [Citation(s) in RCA: 84] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/29/2021] [Indexed: 11/18/2022] Open
Abstract
Alpha-2-macroglobulin is an extracellular macromolecule mainly known for its role as a broad-spectrum protease inhibitor. By presenting itself as an optimal substrate for endopeptidases of all catalytic types, alpha-2-macroglobulin lures active proteases into its molecular cage and subsequently ‘flags’ their complex for elimination. In addition to its role as a regulator of extracellular proteolysis, alpha-2-macroglobulin also has other functions such as switching proteolysis towards small substrates, facilitating cell migration and the binding of cytokines, growth factors and damaged extracellular proteins. These functions appear particularly important in the context of immune-cell function. In this review manuscript, we provide an overview of all functions of alpha-2-macroglobulin and place these in the context of inflammation, immunity and infections.
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Affiliation(s)
- Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
| | - Yoshifumi Itoh
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, United Kingdom
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27
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Liu R, Zhang YN, Fei XJ, Wang JY, Hua RL, Tong YN, Li K, Cao WW, Chen SH, Zhang BF, Chen J, Zhang YM. Association between Neutrophil Levels on Admission and All-Cause Mortality in Geriatric Patients with Hip Fractures: A Prospective Cohort Study of 2,589 Patients. Int J Clin Pract 2022; 2022:1174521. [PMID: 36628151 PMCID: PMC9797311 DOI: 10.1155/2022/1174521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/06/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE To evaluate the association between neutrophil levels and all-cause mortality in geriatric hip fractures. METHODS Elderly patients with hip fractures were screened between January 2015 and September 2019. Demographic and clinical characteristics of the patients were collected. Linear and nonlinear multivariate Cox regression models were used to identify the association between neutrophil levels and mortality. Analyses were performed using Empower Stats and R software. RESULTS A total of 2,589 patients were included in this study. The mean follow-up period was 38.95 months. During the study period, 875 (33.80%) patients died due to various causes. Linear multivariate Cox regression models showed that neutrophil levels were associated with mortality after adjusting for confounding factors, when neutrophil concentration increased by 1∗109/L, the mortality risk increased by 3% (HR = 1.03, 95% CI: 1.00-1.06, and P=0210). Neutrophil concentration was used as a categorical variable; we only found statistically significant differences when neutrophil levels were high (HR = 1.27, 95% CI:1.05-1.52, and P=0.0122). In addition, the results are stable in P for trend and propensity score matching sensitivity analysis. CONCLUSIONS Neutrophil levels are associated with mortality in geriatric hip fractures and could be considered a predictor of death risk in the long-term. This study is registered with the Chinese Clinical Trial Registry (ChiCTR) as number ChiCTR2200057323.
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Affiliation(s)
- Rui Liu
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Yan-Ning Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Xu-Jing Fei
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Jing-Ya Wang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Rong-Li Hua
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Ying-Na Tong
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Kun Li
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Wen-Wen Cao
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Shao-Hua Chen
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Bin-Fei Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Juan Chen
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
| | - Yu-Min Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, Shaanxi, China
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Albakova Z, Mangasarova Y. The HSP Immune Network in Cancer. Front Immunol 2021; 12:796493. [PMID: 34917098 PMCID: PMC8669653 DOI: 10.3389/fimmu.2021.796493] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 11/16/2021] [Indexed: 12/12/2022] Open
Abstract
Heat shock proteins are molecular chaperones which support tumor development by regulating various cellular processes including unfolded protein response, mitochondrial bioenergetics, apoptosis, autophagy, necroptosis, lipid metabolism, angiogenesis, cancer cell stemness, epithelial-mesenchymal transition and tumor immunity. Apart from their intracellular activities, HSPs have also distinct extracellular functions. However, the role that HSP chaperones play in the regulation of immune responses inside and outside the cell is not yet clear. Herein, we explore the intracellular and extracellular immunologic functions of HSPs in cancer. A broader understanding of how HSPs modulate immune responses may provide critical insights for the development of effective immunotherapies.
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Affiliation(s)
- Zarema Albakova
- Department of Immunology, Lomonosov Moscow State University, Moscow, Russia
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29
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Neutrophil-Derived Extracellular Vesicles Activate Platelets after Pneumolysin Exposure. Cells 2021; 10:cells10123581. [PMID: 34944089 PMCID: PMC8700313 DOI: 10.3390/cells10123581] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 12/12/2022] Open
Abstract
Pneumolysin (PLY) is a pore-forming toxin of Streptococcus pneumoniae that contributes substantially to the inflammatory processes underlying pneumococcal pneumonia and lung injury. Host responses against S. pneumoniae are regulated in part by neutrophils and platelets, both individually and in cooperative interaction. Previous studies have shown that PLY can target both neutrophils and platelets, however, the mechanisms by which PLY directly affects these cells and alters their interactions are not completely understood. In this study, we characterize the effects of PLY on neutrophils and platelets and explore the mechanisms by which PLY may induce neutrophil–platelet interactions. In vitro studies demonstrated that PLY causes the formation of neutrophil extracellular traps (NETs) and the release of extracellular vesicles (EVs) from both human and murine neutrophils. In vivo, neutrophil EV (nEV) levels were increased in mice infected with S. pneumoniae. In platelets, treatment with PLY induced the cell surface expression of P-selectin (CD62P) and binding to annexin V and caused a significant release of platelet EVs (pl-EVs). Moreover, PLY-induced nEVs but not NETs promoted platelet activation. The pretreatment of nEVs with proteinase K inhibited platelet activation, indicating that the surface proteins of nEVs play a role in this process. Our findings demonstrate that PLY activates neutrophils and platelets to release EVs and support an important role for neutrophil EVs in modulating platelet functions in pneumococcal infections.
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30
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Esquivel-Ruiz S, González-Rodríguez P, Lorente JA, Pérez-Vizcaíno F, Herrero R, Moreno L. Extracellular Vesicles and Alveolar Epithelial-Capillary Barrier Disruption in Acute Respiratory Distress Syndrome: Pathophysiological Role and Therapeutic Potential. Front Physiol 2021; 12:752287. [PMID: 34887773 PMCID: PMC8650589 DOI: 10.3389/fphys.2021.752287] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/27/2021] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles (EVs) mediate intercellular communication by transferring genetic material, proteins and organelles between different cells types in both health and disease. Recent evidence suggests that these vesicles, more than simply diagnostic markers, are key mediators of the pathophysiology of acute respiratory distress syndrome (ARDS) and other lung diseases. In this review, we will discuss the contribution of EVs released by pulmonary structural cells (alveolar epithelial and endothelial cells) and immune cells in these diseases, with particular attention to their ability to modulate inflammation and alveolar-capillary barrier disruption, a hallmark of ARDS. EVs also offer a unique opportunity to develop new therapeutics for the treatment of ARDS. Evidences supporting the ability of stem cell-derived EVs to attenuate the lung injury and ongoing strategies to improve their therapeutic potential are also discussed.
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Affiliation(s)
- Sergio Esquivel-Ruiz
- Department of Pharmacology and Toxicology, School of Medicine, University Complutense of Madrid, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.,Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Paloma González-Rodríguez
- Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Department of Critical Care, Hospital Universitario de Getafe, Madrid, Spain
| | - José A Lorente
- Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Department of Critical Care, Hospital Universitario de Getafe, Madrid, Spain.,Clinical Section, School of Medicine, European University of Madrid, Madrid, Spain
| | - Francisco Pérez-Vizcaíno
- Department of Pharmacology and Toxicology, School of Medicine, University Complutense of Madrid, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.,Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Raquel Herrero
- Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Department of Critical Care, Hospital Universitario de Getafe, Madrid, Spain
| | - Laura Moreno
- Department of Pharmacology and Toxicology, School of Medicine, University Complutense of Madrid, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.,Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain
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31
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Austin-Williams S, Hussain MT, Oggero S, Norling LV. Enhancing extracellular vesicles for therapeutic treatment of arthritic joints. Free Radic Biol Med 2021; 175:80-94. [PMID: 34461260 DOI: 10.1016/j.freeradbiomed.2021.08.235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/09/2021] [Accepted: 08/26/2021] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles are small membrane-derived packages of information that are released from virtually all cell types. These nano-packages contain regulatory material including proteins, lipids, mRNA and microRNA and are a key mechanism of paracellular communication within a given microenvironment. Encompassed with a lipid bilayer, these organelles have been attributed numerous roles in regulating both physiological and pathological functions. Herein, we describe the role of EVs in the context of Rheumatoid and Osteoarthritis and explore how they could be harnessed to treat inflammatory and degenerative joint conditions. These structures offer a promising therapeutic strategy for treating musculoskeletal diseases due to their bioactive content, stability, small size and intrinsic ability to enter the avascular cartilage, a notoriously challenging tissue to target. We also discuss how EVs can be manipulated to load therapeutic cargo or present additional targeting moieties to enhance their beneficial actions and tissue regenerative properties.
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Affiliation(s)
- Shani Austin-Williams
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Mohammed T Hussain
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Silvia Oggero
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Lucy V Norling
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom; Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, UK.
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32
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Nation GK, Saffold CE, Pua HH. Secret messengers: Extracellular RNA communication in the immune system. Immunol Rev 2021; 304:62-76. [PMID: 34542176 DOI: 10.1111/imr.13027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/27/2021] [Accepted: 09/06/2021] [Indexed: 12/11/2022]
Abstract
One of the hallmarks of the immune system is a dynamic landscape of cellular communication through the secretion of soluble factors, production of cell-bound ligands, and expression of surface receptors. This communication affects all aspects of immune cell behavior, integrates the responses of immune cells in tissues, and is fundamental to orchestrating effective immunity. Recent pioneering work has shown that the transfer of ribonucleic acids (RNAs) constitutes a novel mode of cellular communication. This communication involves diverse RNA species, with short noncoding RNAs especially enriched in the extracellular space. These RNAs are highly stable and selectively packaged for secretion. Transferred RNAs have functions in target cells that both mirror their cell-intrinsic roles and adopt novel mechanisms of action. These extracellular RNAs both impact the behavior of individual immune cells and participate in local and systemic immune responses. The impacts of RNA communication on immune cells and disease states have important implications for the development of novel clinical biomarkers and innovative therapeutic designs in immune-related disease. In this review, we will discuss the foundation of knowledge that is establishing RNA communication as an active and functional process in the immune system.
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Affiliation(s)
- Grant K Nation
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Cherie E Saffold
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Heather H Pua
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Vandebilt Institute of Infection, Immunology and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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33
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Neutrophils as Regulators and Biomarkers of Cardiovascular Inflammation in the Context of Abdominal Aortic Aneurysms. Biomedicines 2021; 9:biomedicines9091236. [PMID: 34572424 PMCID: PMC8467789 DOI: 10.3390/biomedicines9091236] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/10/2021] [Accepted: 09/14/2021] [Indexed: 12/22/2022] Open
Abstract
Neutrophils represent up to 70% of circulating leukocytes in healthy humans and combat infection mostly by phagocytosis, degranulation and NETosis. It has been reported that neutrophils are centrally involved in abdominal aortic aneurysm (AAA) pathogenesis. The natural course of AAA is growth and rupture, if left undiagnosed or untreated. The rupture of AAA has a very high mortality and is currently among the leading causes of death worldwide. The use of noninvasive cardiovascular imaging techniques for patient screening, surveillance and postoperative follow-up is well established and recommended by the current guidelines. Neutrophil-derived biomarkers may offer clinical value to the monitoring and prognosis of AAA patients, allowing for potential early therapeutic intervention. Numerous promising biomarkers have been studied. In this review, we discuss neutrophils and neutrophil-derived molecules as regulators and biomarkers of AAA, and our aim was to specifically highlight diagnostic and prognostic markers. Neutrophil-derived biomarkers may potentially, in the future, assist in determining AAA presence, predict size, expansion rate, rupture risk, and postoperative outcome once validated in highly warranted future prospective clinical studies.
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34
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Szeifert V, Kolonics F, Bartos B, Khamari D, Vági P, Barna L, Ligeti E, Lőrincz ÁM. Mac-1 Receptor Clustering Initiates Production of Pro-Inflammatory, Antibacterial Extracellular Vesicles From Neutrophils. Front Immunol 2021; 12:671995. [PMID: 34456905 PMCID: PMC8397541 DOI: 10.3389/fimmu.2021.671995] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 07/26/2021] [Indexed: 12/18/2022] Open
Abstract
Depending on the prevailing environmental conditions, neutrophilic granulocytes release extracellular vesicles (EV) which have either anti-inflammatory effects on other neutrophils or pro-inflammatory and antibacterial effects. In the present study we investigated the molecular mechanisms underlying the biogenesis of functionally heterogenic EVs. We show that selective stimulation of Mac-1 integrin (complement receptor 3) by specific ligands initiates the generation of EVs which are able to impair bacterial growth and to induce the secretion of the pro-inflammatory cytokine IL-8 (aEV). However, direct Mac-1 stimulation results in aEV release only if neutrophils were activated on ligand coated surfaces whereas soluble ligands are ineffective. Using total internal reflection fluorescence (TIRF) microcopy, an increased clustering of Mac-1 molecules could be visualized in neutrophils added to C3bi coated surfaces; moreover antibody induced cluster formation triggers aEV release as well. Mac-1 induced production of aEV apparently necessitates a strong calcium signal as it fully depends on the presence of extracellular calcium. However, initiation of a strong calcium signal by an ionophore only results the generation of EV devoid of any antibacterial or pro-inflammatory effect. Our results thus demonstrate that stimulation and clustering of Mac-1 is necessary and sufficient for initiation of aEV biogenesis. In contrast, an intracellular calcium signal is necessary but by itself not sufficient for the production of antibacterial and pro-inflammatory EVs.
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Affiliation(s)
| | - Ferenc Kolonics
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Balázs Bartos
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Delaram Khamari
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Pál Vági
- Nikon Center of Excellence, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
| | - László Barna
- Nikon Center of Excellence, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
| | - Erzsébet Ligeti
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Ákos M Lőrincz
- Department of Physiology, Semmelweis University, Budapest, Hungary.,Second Department of Internal Medicine, Szent György Hospital, Székesfehérvár, Hungary
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35
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Burgelman M, Vandendriessche C, Vandenbroucke RE. Extracellular Vesicles: A Double-Edged Sword in Sepsis. Pharmaceuticals (Basel) 2021; 14:ph14080829. [PMID: 34451925 PMCID: PMC8399948 DOI: 10.3390/ph14080829] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/17/2021] [Accepted: 08/17/2021] [Indexed: 01/08/2023] Open
Abstract
Sepsis is defined as a life-threatening organ dysfunction caused by a dysregulated host response to an infection. Several studies on mouse and patient sepsis samples have revealed that the level of extracellular vesicles (EVs) in the blood is altered compared to healthy controls, but the different functions of EVs during sepsis pathology are not yet completely understood. Sepsis EVs are described as modulators of inflammation, lymphocyte apoptosis, coagulation and organ dysfunction. Furthermore, EVs can influence clinical outcome and it is suggested that EVs can predict survival. Both detrimental and beneficial roles for EVs have been described in sepsis, depending on the EV cellular source and the disease phase during which the EVs are studied. In this review, we summarize the current knowledge of EV sources and functions during sepsis pathology based on in vitro and mouse models, as well as patient samples.
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Affiliation(s)
- Marlies Burgelman
- VIB Center for Inflammation Research, 9052 Ghent, Belgium; (M.B.); (C.V.)
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Charysse Vandendriessche
- VIB Center for Inflammation Research, 9052 Ghent, Belgium; (M.B.); (C.V.)
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Roosmarijn E. Vandenbroucke
- VIB Center for Inflammation Research, 9052 Ghent, Belgium; (M.B.); (C.V.)
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
- Correspondence: ; Tel.: +32-9-3313730
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36
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Extracellular Vesicles in Skin Wound Healing. Pharmaceuticals (Basel) 2021; 14:ph14080811. [PMID: 34451909 PMCID: PMC8400229 DOI: 10.3390/ph14080811] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 12/13/2022] Open
Abstract
Each year, millions of individuals suffer from a non-healing wound, abnormal scarring, or injuries accompanied by an infection. For these cases, scientists are searching for new therapeutic interventions, from which one of the most promising is the use of extracellular vesicles (EVs). Naturally, EV-based signaling takes part in all four wound healing phases: hemostasis, inflammation, proliferation, and remodeling. Such an extensive involvement of EVs suggests exploiting their action to modulate the impaired healing phase. Furthermore, next to their natural wound healing capacity, EVs can be engineered for better defined pharmaceutical purposes, such as carrying specific cargo or targeting specific destinations by labelling them with certain surface proteins. This review aims to promote scientific awareness in basic and translational research of EVs by summarizing the current knowledge about their natural role in each stage of skin repair and the most recent findings in application areas, such as wound healing, skin regeneration, and treatment of dermal diseases, including the stem cell-derived, plant-derived, and engineered EVs.
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37
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Chiva-Blanch G, Vilella-Figuerola A, Padró T, Formiga F, Ferrer A, Badimon L. Functional and Cognitive Decline Is Associated With Increased Endothelial Cell Inflammation and Platelet Activation: Liquid Biopsy of Microvesicles in Community- Dwelling Octogenarians. Front Cell Dev Biol 2021; 9:716435. [PMID: 34395448 PMCID: PMC8358681 DOI: 10.3389/fcell.2021.716435] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/12/2021] [Indexed: 01/17/2023] Open
Abstract
Increased life expectancy is usually associated with comorbidities, such as cardio and cerebrovascular disease causing impaired functionality. A common underlying cause of these comorbidities is vascular inflammation and injury. Elevated levels of circulating microvesicles (cMV), as a product of a hemostatic and inflammatory cell activation, could be direct mapping of an imbalanced hemostasis. In this manuscript, we aimed to investigate by liquid biopsy whether successful aging can be discriminated by cMV levels and phenotype. To this purpose, we included 135 community-dwelling octogenarians in a cross-sectional study. Successful aging was defined as good functional (Barthel Index > 90 points, and Lawton index score > 7/4 points for women and men, respectively) and cognitive status (Spanish version of the Mini-Mental State Examination -MEC- > 24 points) and no need for institutionalization. Total, annexin V positive (AV+), and AV– cMV from different cell origins from the vascular compartment were phenotypically characterized and quantified from fasting plasma samples by flow cytometry. Successful aging was associated with lower plasma concentrations of total and AV+ CD141+/CD41+-CD61+, and PAC1+/AV+, CD141+/AV+, and CD36+/AV– cMV. From these phenotypes, ROC curve analyses revealed that CD141+/AV+ and CD141+/CD41+-CD61+/AV+ endothelial- and platelet-derived cMV discriminate successful and non-successful aging with an AUC (95%CI) of 0.655 (0.551, 0.758), P = 0.005, and 0.638 (0.535, 0.741), P = 0.013, respectively. In conclusion, successful aging is associated with low levels of cMV released by endothelial cells and platelets, indicating lower endothelial cell inflammation and platelet activation. Our results contribute to the understanding of the link between unsuccessful aging, cognitive decline and vascular cell inflammatory disturbances.
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Affiliation(s)
- Gemma Chiva-Blanch
- Cardiovascular Program ICCC, Institut de Recerca Hospital Santa Creu i Sant Pau-IIB Sant Pau, Barcelona, Spain.,Endocrinology and Nutrition Department, Institut d'Investigacions Biomèdiques August Pi Sunyer, Hospital Clínic, Barcelona, Spain.,Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Alba Vilella-Figuerola
- Cardiovascular Program ICCC, Institut de Recerca Hospital Santa Creu i Sant Pau-IIB Sant Pau, Barcelona, Spain
| | - Teresa Padró
- Cardiovascular Program ICCC, Institut de Recerca Hospital Santa Creu i Sant Pau-IIB Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red Cardiovascular, Instituto de Salud Carlos III, Madrid, Spain
| | - Francesc Formiga
- Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge, Barcelona, Spain.,Bellvitge Biomedical Research Institute, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Assumpta Ferrer
- Primary Healthcare Centre "El Plà" CAP-I, Sant Feliu de Llobregat, Barcelona, Spain
| | - Lina Badimon
- Cardiovascular Program ICCC, Institut de Recerca Hospital Santa Creu i Sant Pau-IIB Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red Cardiovascular, Instituto de Salud Carlos III, Madrid, Spain
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38
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Internalization of Neutrophil-Derived Microvesicles Modulates TNFα-Stimulated Proinflammatory Cytokine Production in Human Fibroblast-Like Synoviocytes. Int J Mol Sci 2021; 22:ijms22147409. [PMID: 34299030 PMCID: PMC8304992 DOI: 10.3390/ijms22147409] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/07/2021] [Accepted: 07/07/2021] [Indexed: 01/28/2023] Open
Abstract
Neutrophil-derived microvesicles (NDMVs) have the potential to exert anti-inflammatory effects. Our study aimed to explore the effects of NDMVs on proinflammatory cytokines expressed by tumor necrosis factor α (TNFα)-stimulated fibroblast-like synoviocytes (FLS). FLS were isolated from the synovium of knee osteoarthritis (OA) patients undergoing surgery. NDMVs, isolated from TNFα-stimulated healthy neutrophils, were characterized by electron microscopy and nanoparticle tracking analysis. MTT and scratch wound healing assays were used to measure FLS viability and migration after treatment with NDMVs, while internalization of fluorescently labeled NDMVs was appraised by flow cytometry and confocal microscopy. Levels of proinflammatory cytokines in supernatants were quantified by the Bio-Plex system. Incubation of FLS with NDMVs at a vesicle/cell ratio of 100 resulted in a time-dependent uptake, with 35% of synoviocytes containing microvesicles over a 6–24 h time period, with no significant change in cell viability. TNFα stimulated the cytokine expression in FLS, and NDMVs down-regulated TNFα-induced expression of IL-5, IL-6, IL-8, MCP-1, IFNγ and MIP-1β. However, this down-regulation was selective, as NDMVs had no significant effects on TNFα-stimulated expression of IL-2 or IL-4. NDMVs were internalized by FLS to inhibit TNFα-stimulated broad-spectrum proinflammatory cytokine secretion. NDMVs, therefore, may exhibit an anti-inflammatory role in the regulation of the FLS function.
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Role of Neutrophils in Cardiac Injury and Repair Following Myocardial Infarction. Cells 2021; 10:cells10071676. [PMID: 34359844 PMCID: PMC8305164 DOI: 10.3390/cells10071676] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 12/26/2022] Open
Abstract
Neutrophils are first-line responders of the innate immune system. Following myocardial infarction (MI), neutrophils are quickly recruited to the ischemic region, where they initiate the inflammatory response, aiming at cleaning up dead cell debris. However, excessive accumulation and/or delayed removal of neutrophils are deleterious. Neutrophils can promote myocardial injury by releasing reactive oxygen species, granular components, and pro-inflammatory mediators. More recent studies have revealed that neutrophils are able to form extracellular traps (NETs) and produce extracellular vesicles (EVs) to aggravate inflammation and cardiac injury. On the contrary, there is growing evidence showing that neutrophils also exert anti-inflammatory, pro-angiogenic, and pro-reparative effects, thus facilitating inflammation resolution and cardiac repair. In this review, we summarize the current knowledge on neutrophils’ detrimental roles, highlighting the role of recently recognized NETs and EVs, followed by a discussion of their beneficial effects and molecular mechanisms in post-MI cardiac remodeling. In addition, emerging concepts about neutrophil diversity and their modulation of adaptive immunity are discussed.
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40
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Kronstadt SM, Pottash AE, Levy D, Wang S, Chao W, Jay SM. Therapeutic Potential of Extracellular Vesicles for Sepsis Treatment. ADVANCED THERAPEUTICS 2021; 4:2000259. [PMID: 34423113 PMCID: PMC8378673 DOI: 10.1002/adtp.202000259] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Indexed: 12/14/2022]
Abstract
Sepsis is a deadly condition lacking a specific treatment despite decades of research. This has prompted the exploration of new approaches, with extracellular vesicles (EVs) emerging as a focal area. EVs are nanosized, cell-derived particles that transport bioactive components (i.e., proteins, DNA, and RNA) between cells, enabling both normal physiological functions and disease progression depending on context. In particular, EVs have been identified as critical mediators of sepsis pathophysiology. However, EVs are also thought to constitute the biologically active component of cell-based therapies and have demonstrated anti-inflammatory, anti-apoptotic, and immunomodulatory effects in sepsis models. The dual nature of EVs in sepsis is explored here, discussing their endogenous roles and highlighting their therapeutic properties and potential. Related to the latter component, prior studies involving EVs from mesenchymal stem/stromal cells (MSCs) and other sources are discussed and emerging producer cells that could play important roles in future EV-based sepsis therapies are identified. Further, how methodologies could impact therapeutic development toward sepsis treatment to enhance and control EV potency is described.
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Affiliation(s)
- Stephanie M Kronstadt
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
| | - Alex E Pottash
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
| | - Daniel Levy
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
| | - Sheng Wang
- Translational Research Program, Department of Anesthesiology and Center for Shock Trauma and Anesthesiology Research, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Wei Chao
- Translational Research Program, Department of Anesthesiology and Center for Shock Trauma and Anesthesiology Research, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Steven M Jay
- Fischell Department of Bioengineering and Program in Molecular and, Cell Biology, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
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41
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Akbar N, Paget D, Choudhury RP. Extracellular Vesicles in Innate Immune Cell Programming. Biomedicines 2021; 9:biomedicines9070713. [PMID: 34201592 PMCID: PMC8301301 DOI: 10.3390/biomedicines9070713] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/10/2021] [Accepted: 06/14/2021] [Indexed: 02/08/2023] Open
Abstract
Extracellular vesicles (EV) are a heterogeneous group of bilipid-enclosed envelopes that carry proteins, metabolites, RNA, DNA and lipids from their parent cell of origin. They mediate cellular communication to other cells in local tissue microenvironments and across organ systems. EV size, number and their biologically active cargo are often altered in response to pathological processes, including infection, cancer, cardiovascular diseases and in response to metabolic perturbations such as obesity and diabetes, which also have a strong inflammatory component. Here, we discuss the broad repertoire of EV produced by neutrophils, monocytes, macrophages, their precursor hematopoietic stem cells and discuss their effects on the innate immune system. We seek to understand the immunomodulatory properties of EV in cellular programming, which impacts innate immune cell differentiation and function. We further explore the possibilities of using EV as immune targeting vectors, for the modulation of the innate immune response, e.g., for tissue preservation during sterile injury such as myocardial infarction or to promote tissue resolution of inflammation and potentially tissue regeneration and repair.
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Affiliation(s)
- Naveed Akbar
- Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK; (D.P.); (R.P.C.)
- Correspondence:
| | - Daan Paget
- Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK; (D.P.); (R.P.C.)
- Department of Pharmacology, University of Oxford, Oxford OX1 3QT, UK
| | - Robin P. Choudhury
- Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK; (D.P.); (R.P.C.)
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42
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Crawford L, Wyatt M, Bryers J, Ratner B. Biocompatibility Evolves: Phenomenology to Toxicology to Regeneration. Adv Healthc Mater 2021; 10:e2002153. [PMID: 33829678 PMCID: PMC8221530 DOI: 10.1002/adhm.202002153] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/26/2021] [Indexed: 12/20/2022]
Abstract
The word "biocompatibility," is inconsistent with the observations of healing for so-called biocompatible biomaterials. The vast majority of the millions of medical implants in humans today, presumably "biocompatible," are walled off by a dense, avascular, crosslinked collagen capsule, hardly suggestive of life or compatibility. In contrast, one is now seeing examples of implant biomaterials that lead to a vascularized reconstruction of localized tissue, a biological reaction different from traditional biocompatible materials that generate a foreign body capsule. Both the encapsulated biomaterials and the reconstructive biomaterials qualify as "biocompatible" by present day measurements of biocompatibility. Yet, this new generation of materials would seem to heal "compatibly" with the living organism, where older biomaterials are isolated from the living organism by the dense capsule. This review/perspective article will explore this biocompatibility etymological conundrum by reviewing the history of the concepts around biocompatibility, today's standard methods for assessing biocompatibility, a contemporary view of the foreign body reaction and finally, a compendium of new biomaterials that heal without the foreign body capsule. A new definition of biocompatibility is offered here to address advances in biomaterials design leading to biomaterials that heal into the body in a facile manner.
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Affiliation(s)
- Lars Crawford
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
| | - Meghan Wyatt
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
| | - James Bryers
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
| | - Buddy Ratner
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
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43
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Hartl J, Serpas L, Wang Y, Rashidfarrokhi A, Perez OA, Sally B, Sisirak V, Soni C, Khodadadi-Jamayran A, Tsirigos A, Caiello I, Bracaglia C, Volpi S, Ghiggeri GM, Chida AS, Sanz I, Kim MY, Belmont HM, Silverman GJ, Clancy RM, Izmirly PM, Buyon JP, Reizis B. Autoantibody-mediated impairment of DNASE1L3 activity in sporadic systemic lupus erythematosus. J Exp Med 2021; 218:e20201138. [PMID: 33783474 PMCID: PMC8020718 DOI: 10.1084/jem.20201138] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 12/18/2020] [Accepted: 02/10/2021] [Indexed: 12/12/2022] Open
Abstract
Antibodies to double-stranded DNA (dsDNA) are prevalent in systemic lupus erythematosus (SLE), particularly in patients with lupus nephritis, yet the nature and regulation of antigenic cell-free DNA (cfDNA) are poorly understood. Null mutations in the secreted DNase DNASE1L3 cause human monogenic SLE with anti-dsDNA autoreactivity. We report that >50% of sporadic SLE patients with nephritis manifested reduced DNASE1L3 activity in circulation, which was associated with neutralizing autoantibodies to DNASE1L3. These patients had normal total plasma cfDNA levels but showed accumulation of cfDNA in circulating microparticles. Microparticle-associated cfDNA contained a higher fraction of longer polynucleosomal cfDNA fragments, which bound autoantibodies with higher affinity than mononucleosomal fragments. Autoantibodies to DNASE1L3-sensitive antigens on microparticles were prevalent in SLE nephritis patients and correlated with the accumulation of cfDNA in microparticles and with disease severity. DNASE1L3-sensitive antigens included DNA-associated proteins such as HMGB1. Our results reveal autoantibody-mediated impairment of DNASE1L3 activity as a common nongenetic mechanism facilitating anti-dsDNA autoreactivity in patients with severe sporadic SLE.
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Affiliation(s)
- Johannes Hartl
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Lee Serpas
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Yueyang Wang
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Ali Rashidfarrokhi
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Oriana A. Perez
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Benjamin Sally
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Vanja Sisirak
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
- Le Centre national de la recherche scientifique - unité mixte de recherche 5164, ImmunoConcEpt, Universite ´de Bordeaux, Bordeaux, France
| | - Chetna Soni
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
| | - Alireza Khodadadi-Jamayran
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
- Applied Bioinformatics Laboratories, New York University School of Medicine, New York, NY
| | - Aristotelis Tsirigos
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
- Applied Bioinformatics Laboratories, New York University School of Medicine, New York, NY
| | - Ivan Caiello
- Division of Rheumatology, Istituto di Ricovero e Cura a Carattere Scientifico, Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Claudia Bracaglia
- Division of Rheumatology, Istituto di Ricovero e Cura a Carattere Scientifico, Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Stefano Volpi
- Centro per le Malattie Autoinfiammatorie e Immunodeficienze, Istituto di Ricovero e Cura a Carattere Scientifico, Istituto Giannina Gaslini, Genoa, Italy
- Dipartimento di Neuroscienze, Riabilitazione, Oftalmologia, Genetica e Scienze Materno-Infantili, Università degli Studi di Genova, Genoa, Italy
| | - Gian Marco Ghiggeri
- Division of Nephrology, Dialysis and Transplantation, Istituto di Ricovero e Cura a Carattere Scientifico, Istituto Giannina Gaslini, Genoa, Italy
| | - Asiya Seema Chida
- Division of Rheumatology, Department of Medicine, Lowance Center for Human Immunology, Emory University, Atlanta, GA
| | - Ignacio Sanz
- Division of Rheumatology, Department of Medicine, Lowance Center for Human Immunology, Emory University, Atlanta, GA
| | - Mimi Y. Kim
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY
| | - H. Michael Belmont
- Division of Rheumatology, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - Gregg J. Silverman
- Division of Rheumatology, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - Robert M. Clancy
- Division of Rheumatology, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - Peter M. Izmirly
- Division of Rheumatology, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - Jill P. Buyon
- Division of Rheumatology, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - Boris Reizis
- Department of Pathology, New York University Grossman School of Medicine, New York, NY
- Division of Rheumatology, Department of Medicine, New York University Grossman School of Medicine, New York, NY
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44
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Surmiak M, Kosałka‐Węgiel J, Polański S, Sanak M. Endothelial cells response to neutrophil-derived extracellular vesicles miRNAs in anti-PR3 positive vasculitis. Clin Exp Immunol 2021; 204:267-282. [PMID: 33527387 PMCID: PMC8062988 DOI: 10.1111/cei.13581] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 12/15/2022] Open
Abstract
In vasculitis disorders, inflammation affects blood vessels. Granulomatosis with polyangiitis (GPA) is a chronic systemic vasculitis distinguished by the presence of anti-proteinase-3 autoantibodies (anti-PR3). In this study we analyzed the molecular signature of human umbilical endothelial cells (HUVECs) in response to neutrophil-derived extracellular vesicles (EVs). EVs were obtained from anti-PR3-activated neutrophils, purified and characterized by flow cytometry, nanoparticle tracking and miRNA screening. HUVECs were stimulated with EVs and miRNA/mRNA expression was measured. Cell culture media proteins were identified by antibody microarrays and selected cytokines were measured. Comparison of differentially expressed miRNAs/mRNAs between non-stimulated and EV-stimulated HUVECs revealed two regulatory patterns. Significant up-regulation of 14 mRNA transcripts (including CXCL8, DKK1, IL1RL1, ANGPT-2, THBS1 and VCAM-1) was accompanied by 11 miRNAs silencing (including miR-661, miR-664a-3p, miR-377-3p, miR-30d-5p). Significant down-regulation was observed for nine mRNA transcripts (including FASLG, CASP8, STAT3, GATA3, IRAK1 and IL6) and accompanied by up-regulation of 10 miRNAs (including miR-223-3p, miR-142-3p, miR-211-5p). Stimulated HUVECs released IL-8, Dickkopf-related protein 1 (DKK-1), soluble interleukin (IL)-1 like receptor-1 (ST2), growth differentiation factor 15 (GDF-15), angiopoietin-2, endoglin, thrombospondin-1 and vascular adhesion molecule-1 (VCAM-1). Moreover, transfection of HUVECs with mimics of highly expressed in EVs miR-223-3p or miR-142-3p, stimulated production of IL-8, ST2 and endoglin. Cytokines released by HUVECs were also elevated in blood of patients with GPA. The most increased were IL-8, DKK-1, ST2, angiopoietin-2 and IL-33. In-vitro stimulation of HUVECs by neutrophil-derived EVs recapitulates contribution of endothelium in autoimmune vasculitis. Proinflammatory phenotype of released cytokines corresponds with the regulatory network of miRNAs/mRNAs comprising both EVs miRNA and endothelial cell transcripts.
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Affiliation(s)
- M. Surmiak
- Department of Internal MedicineJagiellonian University Medical CollegeKrakówPoland
| | - J. Kosałka‐Węgiel
- Department of Internal MedicineJagiellonian University Medical CollegeKrakówPoland
| | - S. Polański
- Department of Biochemical and Molecular DiagnosticsUniversity HospitalKrakówPoland
| | - M. Sanak
- Department of Internal MedicineJagiellonian University Medical CollegeKrakówPoland
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45
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Inder WJ, Mohamed A, Keshvari S, Barclay JL, Ruelcke JE, Stoll T, Nolan BJ, Cesana-Nigro N, Hill MM. Ex vivo glucocorticoid-induced secreted proteome approach for discovery of glucocorticoid-responsive proteins in human serum. Proteomics Clin Appl 2021; 15:e2000078. [PMID: 33641263 DOI: 10.1002/prca.202000078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 02/05/2021] [Accepted: 02/23/2021] [Indexed: 01/01/2023]
Abstract
PURPOSE To identify glucocorticoid-responsive proteins measurable in human serum that may have clinical utility in therapeutic drug monitoring and the diagnosis of cortisol excess or deficiency. EXPERIMENTAL DESIGN A phased biomarker discovery strategy was conducted in two cohorts. Secretome from peripheral blood mononuclear cells (PBMC) isolated from six volunteers after ex vivo incubation ± dexamethasone (DEX) 100 ng/mL for 4 h and 24 h was used for candidate discovery and qualification using untargeted proteomics and a custom multiple reaction monitoring mass spectrometry (MRM-MS) assay, respectively. For validation, five candidates were measured by immunoassay in serum from an independent cohort (n = 20), sampled at 1200 h before and after 4 mg oral DEX. RESULTS The discovery secretome proteomics data generated a shortlist of 45 candidates, with 43 measured in the final MRM-MS assay. Differential analysis revealed 16 proteins that were significant in at least one of two time points. In the validation cohort, 3/5 serum proteins were DEX-responsive, two significantly decreased: lysozyme C (p < 0.0001) and nucleophosmin-1 (p < 0.01), while high mobility group box 2 significantly increased (p < 0.01). CONCLUSIONS AND CLINICAL RELEVANCE Using an ex vivo proteomic approach in PBMC, we have identified circulating glucocorticoid-responsive proteins which may have potential as serum biomarkers of glucocorticoid activity.
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Affiliation(s)
- Warrick J Inder
- Faculty of Medicine, the University of Queensland, Brisbane, Queensland, Australia
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Ahmed Mohamed
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Sahar Keshvari
- Mater Research Institute, the University of Queensland, Brisbane, Queensland, Australia
| | - Johanna L Barclay
- Mater Research Institute, the University of Queensland, Brisbane, Queensland, Australia
- Victor Chang Cardiac Research Institute, Sydney, New South Wales, Australia
- University of NSW, Sydney, New South Wales, Australia
| | - Jayde E Ruelcke
- Faculty of Medicine, University of Queensland Diamantina Institute, the University of Queensland, Brisbane, Queensland, Australia
| | - Thomas Stoll
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Brendan J Nolan
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Nicole Cesana-Nigro
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Michelle M Hill
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
- University of NSW, Sydney, New South Wales, Australia
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46
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Oggero S, de Gaetano M, Marcone S, Fitzsimons S, Pinto AL, Ikramova D, Barry M, Burke D, Montero-Melendez T, Cooper D, Burgoyne T, Belton O, Norling LV, Brennan EP, Godson C, Perretti M. Extracellular vesicles from monocyte/platelet aggregates modulate human atherosclerotic plaque reactivity. J Extracell Vesicles 2021; 10:12084. [PMID: 33936566 PMCID: PMC8077084 DOI: 10.1002/jev2.12084] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 03/24/2021] [Accepted: 04/01/2021] [Indexed: 12/16/2022] Open
Abstract
Extracellular vesicles (EVs) are emerging as key players in different stages of atherosclerosis. Here we provide evidence that EVs released by mixed aggregates of monocytes and platelets in response to TNF‐α display pro‐inflammatory actions on endothelial cells and atherosclerotic plaques. Tempering platelet activation with Iloprost, Aspirin or a P2Y12 inhibitor impacted quantity and phenotype of EV produced. Proteomics of EVs from cells activated with TNF‐α alone or in the presence of Iloprost revealed a distinct composition, with interesting hits like annexin‐A1 and gelsolin. When added to human atherosclerotic plaque explants, EVs from TNF‐α stimulated monocytes augmented release of cytokines. In contrast, EVs generated by TNF‐α together with Iloprost produced minimal plaque activation. Notably, patients with coronary artery disease that required percutaneous coronary intervention had elevated plasma numbers of monocyte, platelet as well as double positive EV subsets. In conclusion, EVs released following monocyte/platelet activation may play a potential role in the development and progression of atherosclerosis. Whereas attenuating platelet activation modifies EV composition released from monocyte/platelet aggregates, curbing their pro‐inflammatory actions may offer therapeutic avenues for the treatment of atherosclerosis.
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Affiliation(s)
- Silvia Oggero
- William Harvey Research Institute Bart's and the London School of Medicine Queen Mary University of London London UK
| | - Monica de Gaetano
- Diabetes Complications Research Centre Conway Institute, & School of Medicine University College Dublin Dublin Ireland
| | - Simone Marcone
- Trinity Translational Medicine Institute Trinity College Dublin Dublin Ireland
| | - Stephen Fitzsimons
- Diabetes Complications Research Centre Conway Institute, & School of Medicine University College Dublin Dublin Ireland
| | | | - Dinara Ikramova
- School of Engineering and Materials Science Queen Mary University of London London UK
| | - Mary Barry
- Department of Vascular Surgery St. Vincent's University Hospital Dublin Ireland
| | - David Burke
- Department of Vascular Surgery St. Vincent's University Hospital Dublin Ireland
| | - Trinidad Montero-Melendez
- William Harvey Research Institute Bart's and the London School of Medicine Queen Mary University of London London UK.,Centre for inflammation and Therapeutic Innovation Queen Mary University of London London UK
| | - Dianne Cooper
- William Harvey Research Institute Bart's and the London School of Medicine Queen Mary University of London London UK.,Centre for inflammation and Therapeutic Innovation Queen Mary University of London London UK
| | - Thomas Burgoyne
- Royal Brompton & Harefield NHS Foundation Trust London UK.,Institute of Ophthalmology, Faculty of Brain Sciences University College London London UK
| | - Orina Belton
- Diabetes Complications Research Centre Conway Institute, & School of Medicine University College Dublin Dublin Ireland
| | - Lucy V Norling
- William Harvey Research Institute Bart's and the London School of Medicine Queen Mary University of London London UK.,Centre for inflammation and Therapeutic Innovation Queen Mary University of London London UK
| | - Eoin P Brennan
- Diabetes Complications Research Centre Conway Institute, & School of Medicine University College Dublin Dublin Ireland
| | - Catherine Godson
- Diabetes Complications Research Centre Conway Institute, & School of Medicine University College Dublin Dublin Ireland
| | - Mauro Perretti
- William Harvey Research Institute Bart's and the London School of Medicine Queen Mary University of London London UK.,Centre for inflammation and Therapeutic Innovation Queen Mary University of London London UK
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47
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Kim JK, Youn YJ, Lee YB, Kim SH, Song DK, Shin M, Jin HK, Bae JS, Shrestha S, Hong CW. Extracellular vesicles from dHL-60 cells as delivery vehicles for diverse therapeutics. Sci Rep 2021; 11:8289. [PMID: 33859336 PMCID: PMC8050327 DOI: 10.1038/s41598-021-87891-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 03/22/2021] [Indexed: 01/15/2023] Open
Abstract
Extracellular vesicles (EVs) are membrane-derived heterogeneous vesicles that mediate intercellular communications. They have recently been considered as ideal vehicles for drug-delivery systems, and immune cells are suggested as a potential source for drug-loaded EVs. In this study, we investigated the possibility of neutrophils as a source for drug-loaded EVs. Neutrophil-like differentiated human promyelocytic leukemia cells (dHL-60) produced massive amounts of EVs within 1 h. The dHL-60 cells are also easily loaded with various cargoes such as antibiotics (penicillin), anticancer drug (paclitaxel), chemoattractant (MCP-1), miRNA, and Cas9. The EVs derived from the dHL-60 cells showed efficient incorporation of these cargoes and significant effector functions, such as bactericidal activity, monocyte chemotaxis, and macrophage polarization. Our results suggest that neutrophils or neutrophil-like promyelocytic cells could be an attractive source for drug-delivery EVs.
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Affiliation(s)
- Jun-Kyu Kim
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea
| | - Young-Jin Youn
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea
| | - Yu-Bin Lee
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea
| | - Sun-Hwa Kim
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea
| | - Dong-Keun Song
- Department of Pharmacology, College of Medicine, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Minsang Shin
- Department of Microbiology, School of Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea
| | - Hee Kyung Jin
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea.,KNU Alzheimer's Disease Research Institute, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Jae-Sung Bae
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea.,KNU Alzheimer's Disease Research Institute, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Sanjeeb Shrestha
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea.
| | - Chang-Won Hong
- Department of Physiology, School of Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Daegu, 41944, Republic of Korea.
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48
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Natrus L, Ryzhko I, Blazquez-Navarro A, Panova T, Zaychenko G, Klymenko O, Babel N, Bondur V. Correlational analysis of the regulatory interplay between molecules and cellular components mediating angiogenesis in wound healing under normal and hyperglycemic conditions. Clin Hemorheol Microcirc 2021; 78:379-390. [PMID: 33814419 DOI: 10.3233/ch-201077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
AIM The aim of this study was to correlate the content of cells with regulatory molecules associated with angiogenesis in wound healing in a rat model of hyperglycemia. We hypothesize that blood neutrophils are the main VEGF source and can stimulate FLT-1 receptor expression, which is the perquisite for efficient neoangiogenesis. MATERIALS AND METHODS Kinetic studies of the healing dynamics (3, 7, 14, 21 days) of burn wounds on the skin were conducted in white adult male rats. The content of nuclear factor kappa B (NF-κB), vascular endothelial growth factor (VEGF), its receptor (Flt-1) in the regenerated tissue was analyzed by western blot. Numbers of cells associated with the regenerative process and from peripheral blood (PB) were determined. Additionally a bone marrow (BM) myelogram was conducted. RESULTS The relative number of peripheral blood (PB) neutrophils was found to be associated with the level of VEGF (R = 0.708) and Flt-1 (R = 0.472). The relative number of fibroblasts was also associated with VEGF (R = 0.562), but not with Flt-1. A negative association was found between the number of neutrophils in the regenerated tissue with VEGF (R = -0.454) and FLT-1 (R = -0.665). This confirms our hypothesis, that blood neutrophils are the main VEGF producer that stimulate the expression of the FLT-1 receptor subsequently inducing neoangiogenesis.Furthermore, that under hyperglycemic conditions fibroblasts were highly associated with VEGF (R = 0.800), while negatively associated with FLT-1 (R = -0.506). There was a high association between PB neutrophils and newly generated tissue cells: neutrophils (R = 0.717) and macrophages (R = 0.622), as well as the association between neutrophils and macrophages (R = 0.798). This is an indication of chronic inflammation and increased transmigration of blood cells to the burned tissue. CONCLUSION Blood neutrophils are the main producer of VEGF and stimulate the expression of the FLT-1 receptor. In the context of hyperglycemia the imbalance of receptor and ligand associated with angiogenesis indicates for chronic inflammation: VEGF and FLT-1, which facilitates hypoxia, prevents the physiological course of burn wound healing and may be important factors in impaired tissue regeneration in diabetes.
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Affiliation(s)
- Larysa Natrus
- Bogomolets National Medical University, Kiev, Ukraine
| | - Irina Ryzhko
- Bogomolets National Medical University, Kiev, Ukraine
| | - Arturo Blazquez-Navarro
- Center for Translational Medicine and Immune Diagnostics Laboratory, Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr University Bochum, Herne, Germany
| | | | | | | | - Nina Babel
- Center for Translational Medicine and Immune Diagnostics Laboratory, Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr University Bochum, Herne, Germany
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49
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Othman A, Sekheri M, Filep JG. Roles of neutrophil granule proteins in orchestrating inflammation and immunity. FEBS J 2021; 289:3932-3953. [PMID: 33683814 PMCID: PMC9546106 DOI: 10.1111/febs.15803] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/17/2021] [Accepted: 03/05/2021] [Indexed: 12/17/2022]
Abstract
Neutrophil granulocytes form the first line of host defense against invading pathogens and tissue injury. They are rapidly recruited from the blood to the affected sites, where they deploy an impressive arsenal of effectors to eliminate invading microbes and damaged cells. This capacity is endowed in part by readily mobilizable proteins acquired during granulopoiesis and stored in multiple types of cytosolic granules with each granule type containing a unique cargo. Once released, granule proteins contribute to killing bacteria within the phagosome or the extracellular milieu, but are also capable of inflicting collateral tissue damage. Neutrophil-driven inflammation underlies many common diseases. Research over the last decade has documented neutrophil heterogeneity and functional versatility far beyond their antimicrobial function. Emerging evidence indicates that neutrophils utilize granule proteins to interact with innate and adaptive immune cells and orchestrate the inflammatory response. Granule proteins have been identified as important modulators of neutrophil trafficking, reverse transendothelial migration, phagocytosis, neutrophil life span, neutrophil extracellular trap formation, efferocytosis, cytokine activity, and autoimmunity. Hence, defining their roles within the inflammatory locus is critical for minimizing damage to the neighboring tissue and return to homeostasis. Here, we provide an overview of recent advances in the regulation of degranulation, granule protein functions, and signaling in modulating neutrophil-mediated immunity. We also discuss how targeting granule proteins and/or signaling could be harnessed for therapeutic benefits.
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Affiliation(s)
- Amira Othman
- Department of Pathology and Cell Biology, University of Montreal, QC, Canada.,Department of Biomedical Sciences, University of Montreal, QC, Canada.,Research Center, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada
| | - Meriem Sekheri
- Department of Biomedical Sciences, University of Montreal, QC, Canada.,Research Center, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada
| | - János G Filep
- Department of Pathology and Cell Biology, University of Montreal, QC, Canada.,Research Center, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada
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50
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Amjadi MF, Avner BS, Greenlee-Wacker MC, Horswill AR, Nauseef WM. Neutrophil-derived extracellular vesicles modulate the phenotype of naïve human neutrophils. J Leukoc Biol 2021; 110:917-925. [PMID: 33682200 DOI: 10.1002/jlb.3ab0520-339rr] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 02/06/2021] [Accepted: 02/09/2021] [Indexed: 12/28/2022] Open
Abstract
Neutrophils (PMN) regulate inflammation in many ways, including communication with other immune cells via extracellular vesicles (EVs). EVs released by human neutrophils activated with N-formylmethionyl-leucyl-phenylalanine (fMLF) (PMN-fMLF EVs) had an outside-out orientation and contained functionally important neutrophil plasma membrane proteins, including flavocytochrome b558, and enzymatically active granule proteins, elastase, and myeloperoxidase. Treatment of naïve PMN with PMN-fMLF EVs primed fMLF-stimulated NADPH oxidase activity, increased surface expression of the complement receptors CD11b/CD18 and CD35, the specific granule membrane protein CD66, and flavocytochrome b558 , and promoted phagocytosis of serum-opsonized Staphylococcus aureus. The primed oxidase activity reflected increased surface expression of flavocytochrome b558 and phosphorylation of SER345 in p47phox , two recognized mechanisms for oxidase priming. Taken together, these data demonstrate that stimulated PMN released EVs that altered the phenotype of naïve phagocytes by priming of the NADPH oxidase activity and augmenting phagocytosis, two responses that are integral to optimal PMN host defense.
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Affiliation(s)
- Maya F Amjadi
- Inflammation Program, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine University of Iowa, Iowa City, Iowa, USA
| | - Benjamin S Avner
- Inflammation Program, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine University of Iowa, Iowa City, Iowa, USA.,Department of Medicine, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, Michigan, USA
| | | | - Alexander R Horswill
- Department of Immunology and Microbiology at University of Colorado-Denver School of Medicine, Denver, Colorado, USA
| | - William M Nauseef
- Inflammation Program, Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine University of Iowa, Iowa City, Iowa, USA
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