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Zheng C, Li J, Chen H, Ma X, Si T, Zhu W. Dual role of CD177 + neutrophils in inflammatory bowel disease: a review. J Transl Med 2024; 22:813. [PMID: 39223577 PMCID: PMC11370282 DOI: 10.1186/s12967-024-05539-3] [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: 04/12/2024] [Accepted: 07/25/2024] [Indexed: 09/04/2024] Open
Abstract
Inflammatory bowel disease (IBD) represents a group of recurrent chronic inflammatory disorders associated with autoimmune dysregulation, typically characterized by neutrophil infiltration and mucosal inflammatory lesions. Neutrophils, as the earliest immune cells to arrive at inflamed tissues, play a dual role in the onset and progression of mucosal inflammation in IBD. Most of these cells specifically express CD177, a molecule increasingly recognized for its critical role in the pathogenesis of IBD. Under IBD-related inflammatory stimuli, CD177 is highly expressed on neutrophils and promotes their migration. CD177 + neutrophils activate bactericidal and barrier-protective functions at IBD mucosal inflammation sites and regulate the release of inflammatory mediators highly correlated with the severity of inflammation in IBD patients, thus playing a dual role. However, mitigating the detrimental effects of neutrophils in inflammatory bowel disease remains a challenge. Based on these data, we have summarized recent articles on the role of neutrophils in intestinal inflammation, with a particular emphasis on CD177, which mediates the recruitment, transepithelial migration, and activation of neutrophils, as well as their functional consequences. A better understanding of CD177 + neutrophils may contribute to the development of novel therapeutic targets to selectively modulate the protective role of this class of cells in IBD.
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Affiliation(s)
- Chengli Zheng
- Department of Hematology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiekai Li
- Department of Hematology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hailin Chen
- Department of Hematology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaolin Ma
- Department of Hematology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tianyu Si
- Department of Hematology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wenwei Zhu
- Department of Hematology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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2
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Zhang Z, Wang Z, Liu T, Tang J, Liu Y, Gou T, Chen K, Wang L, Zhang J, Yang Y, Zhang H. Exploring the role of ITGB6: fibrosis, cancer, and other diseases. Apoptosis 2024; 29:570-585. [PMID: 38127283 DOI: 10.1007/s10495-023-01921-6] [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] [Accepted: 11/07/2023] [Indexed: 12/23/2023]
Abstract
Integrin β6 (ITGB6), a member of the integrin family of proteins, is only present in epithelial tissues and frequently associates with integrin subunit αv to form transmembrane heterodimers named integrin αvβ6. Importantly, ITGB6 determines αvβ6 expression and availability. In addition to being engaged in organ fibrosis, ITGB6 is also directly linked to the emergence of cancer, periodontitis, and several potential genetic diseases. Therefore, it is of great significance to study the molecular-biological mechanism of ITGB6, which could provide novel insights for future clinical diagnosis and therapy. This review introduces the structure, distribution, and biological function of ITGB6. This review also expounds on ITGB6-related diseases, detailing the known biological effects of ITGB6.
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Affiliation(s)
- Zhe Zhang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Zheng Wang
- Department of Cardiothoracic Surgery, Central Theater Command General Hospital of Chinese People's Liberation Army, 627 Wuluo Road, Wuhan, 430070, China
| | - Tong Liu
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Jiayou Tang
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Yanqing Liu
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Tiantian Gou
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Kangli Chen
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Li Wang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Juan Zhang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Yang Yang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China.
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China.
| | - Huan Zhang
- Department of Cardiology, Faculty of Life Sciences and Medicine, The Affiliated Hospital of Northwest University, Northwest University, Xi'an No.3 Hospital, Xi'an, 710021, China.
- Key Laboratory of Resource Biology and Biotechnology in Western China, Faulty of Life Sciences and Medicine, Ministry of Education, Northwest University, 229 Taibai North Road, Xi'an, 710069, China.
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3
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Liu J, Meng H, Mao Y, Zhong L, Pan W, Chen Q. IL-36 Regulates Neutrophil Chemotaxis and Bone Loss at the Oral Barrier. J Dent Res 2024; 103:442-451. [PMID: 38414292 DOI: 10.1177/00220345231225413] [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: 02/29/2024] Open
Abstract
Tissue-specific mechanisms regulate neutrophil immunity at the oral barrier, which plays a key role in periodontitis. Although it has been proposed that fibroblasts emit a powerful neutrophil chemotactic signal, how this chemotactic signal is driven has not been clear. The objective of this study was to investigate the site-specific regulatory mechanisms by which fibroblasts drive powerful neutrophil chemotactic signals within the oral barrier, with particular emphasis on the role of the IL-36 family. The present study found that IL-36γ, agonist of IL-36R, could promote neutrophil chemotaxis via fibroblast. Single-cell RNA sequencing data disclosed that IL36G is primarily expressed in human and mouse gingival epithelial cells and mouse neutrophils. Notably, there was a substantial increase in IL-36γ levels during periodontitis. In vitro experiments demonstrated that IL-36γ specifically activates gingival fibroblasts, leading to chemotaxis of neutrophils. In vivo experiments revealed that IL-36Ra inhibited the infiltration of neutrophils and bone resorption, while IL-36γ promoted their progression in the ligature-induced periodontitis mouse model. In summary, these data elucidate the function of the site-enriched IL-36γ in regulating neutrophil immunity and bone resorption at the oral barrier. These findings provide new insights into the tissue-specific pathophysiology of periodontitis and offer a promising avenue for prevention and treatment through targeted intervention of the IL-36 family.
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Affiliation(s)
- J Liu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center of Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - H Meng
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center of Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - Y Mao
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center of Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - L Zhong
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center of Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - W Pan
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center of Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - Q Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center of Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
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4
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Passino R, Finneran MC, Hafner H, Feng Q, Huffman LD, Zhao XF, Johnson CN, Kawaguchi R, Oses-Prieto JA, Burlingame AL, Geschwind DH, Benowitz LI, Giger RJ. Neutrophil-inflicted vasculature damage suppresses immune-mediated optic nerve regeneration. Cell Rep 2024; 43:113931. [PMID: 38492223 DOI: 10.1016/j.celrep.2024.113931] [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: 09/24/2023] [Revised: 01/03/2024] [Accepted: 02/21/2024] [Indexed: 03/18/2024] Open
Abstract
In adult mammals, injured retinal ganglion cells (RGCs) fail to spontaneously regrow severed axons, resulting in permanent visual deficits. Robust axon growth, however, is observed after intra-ocular injection of particulate β-glucan isolated from yeast. Blood-borne myeloid cells rapidly respond to β-glucan, releasing numerous pro-regenerative factors. Unfortunately, the pro-regenerative effects are undermined by retinal damage inflicted by an overactive immune system. Here, we demonstrate that protection of the inflamed vasculature promotes immune-mediated RGC regeneration. In the absence of microglia, leakiness of the blood-retina barrier increases, pro-inflammatory neutrophils are elevated, and RGC regeneration is reduced. Functional ablation of the complement receptor 3 (CD11b/integrin-αM), but not the complement components C1q-/- or C3-/-, reduces ocular inflammation, protects the blood-retina barrier, and enhances RGC regeneration. Selective targeting of neutrophils with anti-Ly6G does not increase axogenic neutrophils but protects the blood-retina barrier and enhances RGC regeneration. Together, these findings reveal that protection of the inflamed vasculature promotes neuronal regeneration.
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Affiliation(s)
- Ryan Passino
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Matthew C Finneran
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Neuroscience Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Hannah Hafner
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Qian Feng
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Lucas D Huffman
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Neuroscience Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Xiao-Feng Zhao
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Craig N Johnson
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Riki Kawaguchi
- Departments of Psychiatry and Neurology, University of California, Los Angeles, Los Angeles, CA 90095, USA; Program in Neurogenetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Juan A Oses-Prieto
- University of California San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA 94158, USA
| | - Alma L Burlingame
- University of California San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA 94158, USA
| | - Daniel H Geschwind
- Departments of Psychiatry and Neurology, University of California, Los Angeles, Los Angeles, CA 90095, USA; Program in Neurogenetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Institute of Precision Health, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Larry I Benowitz
- Departments of Neurosurgery and Ophthalmology, Harvard Medical School, Boston, MA 02115, USA; Department of Neurosurgery, Boston Children's Hospital, Boston MA 02115, USA; Departmant of Ophthalmology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Roman J Giger
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Neuroscience Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Department of Neurology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
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5
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Golenkina EA, Viryasova GM, Galkina SI, Kondratenko ND, Gaponova TV, Romanova YM, Lyamzaev KG, Chernyak BV, Sud’ina GF. Redox processes are major regulators of leukotriene synthesis in neutrophils exposed to bacteria Salmonella typhimurium; the way to manipulate neutrophil swarming. Front Immunol 2024; 15:1295150. [PMID: 38384456 PMCID: PMC10880102 DOI: 10.3389/fimmu.2024.1295150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/22/2024] [Indexed: 02/23/2024] Open
Abstract
Neutrophils play a primary role in protecting our body from pathogens. When confronted with invading bacteria, neutrophils begin to produce leukotriene B4, a potent chemoattractant that, in cooperation with the primary bacterial chemoattractant fMLP, stimulates the formation of swarms of neutrophils surrounding pathogens. Here we describe a complex redox regulation that either stimulates or inhibits fMLP-induced leukotriene synthesis in an experimental model of neutrophils interacting with Salmonella typhimurium. The scavenging of mitochondrial reactive oxygen species by mitochondria-targeted antioxidants MitoQ and SkQ1, as well as inhibition of their production by mitochondrial inhibitors, inhibit the synthesis of leukotrienes regardless of the cessation of oxidative phosphorylation. On the contrary, antioxidants N-acetylcysteine and sodium hydrosulfide promoting reductive shift in the reversible thiol-disulfide system stimulate the synthesis of leukotrienes. Diamide that oxidizes glutathione at high concentrations inhibits leukotriene synthesis, and the glutathione precursor S-adenosyl-L-methionine prevents this inhibition. Diamide-dependent inhibition is also prevented by diphenyleneiodonium, presumably through inhibition of NADPH oxidase and NADPH accumulation. Thus, during bacterial infection, maintaining the reduced state of glutathione in neutrophils plays a decisive role in the synthesis of leukotriene B4. Suppression of excess leukotriene synthesis is an effective strategy for treating various inflammatory pathologies. Our data suggest that the use of mitochondria-targeted antioxidants may be promising for this purpose, whereas known thiol-based antioxidants, such as N-acetylcysteine, may dangerously stimulate leukotriene synthesis by neutrophils during severe pathogenic infection.
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Affiliation(s)
- Ekaterina A. Golenkina
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Galina M. Viryasova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Svetlana I. Galkina
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Natalia D. Kondratenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Tatjana V. Gaponova
- National Research Center for Hematology, Russia Federation Ministry of Public Health, Moscow, Russia
| | - Yulia M. Romanova
- Department of Genetics and Molecular Biology, Gamaleya National Research Centre of Epidemiology and Microbiology, Moscow, Russia
| | - Konstantin G. Lyamzaev
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- The “Russian Clinical Research Center for Gerontology” of the Ministry of Healthcare of the Russian Federation, Pirogov Russian National Research Medical University, Moscow, Russia
| | - Boris V. Chernyak
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Galina F. Sud’ina
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
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6
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Hino T, Nakahara F, Miyauchi M, Ito Y, Masamoto Y, Morita K, Kagoya Y, Kojima H, Kurokawa M. AKT2 inhibition accelerates the acquisition of phagocytic ability in induced pluripotent stem cell-derived neutrophils. Exp Hematol 2024; 130:104137. [PMID: 38103826 DOI: 10.1016/j.exphem.2023.104137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 11/01/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Neutrophils are key components of the immune system that inhibit bacterial infections. Systemic bacterial infections can cause lethal conditions, especially in patients with neutropenia associated with chemotherapy or other systemic illnesses; hence, early detection of the symptoms and prompt management are crucial in such cases. Previously, we established expandable engineered neutrophil-primed progenitors (NeuPs-XL) using human-induced pluripotent stem cells (iPSCs), which can produce neutrophil-like cells at a clinically suitable scale within 4 days of inducing myeloid differentiation. In this study, using small-molecule compound-based screening, we detected that MK-2206, a selective pan-AKT inhibitor, can accelerate this differentiation process, promote phagocytic ability in neutrophils, and enhance cytokine and chemokine expression in response to lipopolysaccharides. The inhibition of AKT2 has been identified as the key mechanism underlying this acceleration. These results can make a substantial contribution to the development of strategies for the prompt production of clinically applicable iPSC-derived neutrophils, which can potentially lead to the management of severe infections associated with life-threatening neutropenia and the effective treatment of related health conditions in the future.
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Affiliation(s)
- Toshiya Hino
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Fumio Nakahara
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Masashi Miyauchi
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yusuke Ito
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yosuke Masamoto
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ken Morita
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yuki Kagoya
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hirotatsu Kojima
- Drug Discovery Initiative, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Mineo Kurokawa
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Cell Therapy and Transplantation Medicine, The University of Tokyo Hospital, Tokyo, Japan.
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7
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Li X, Qiao Q, Liu X, Hu Q, Yu Y, Qin X, Tian T, Tian Y, Ou X, Niu B, Yang C, Kong L, Zhang Z. Engineered Biomimetic Nanovesicles Based on Neutrophils for Hierarchical Targeting Therapy of Acute Respiratory Distress Syndrome. ACS NANO 2024; 18:1658-1677. [PMID: 38166370 DOI: 10.1021/acsnano.3c09848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Acute Respiratory Distress Syndrome (ARDS) is a clinically severe respiratory disease that causes severe medical and economic burden. To improve therapeutic efficacy, effectively targeting delivery to the inflamed lungs and inflamed cells remains an ongoing challenge. Herein, we designed engineered biomimetic nanovesicles (DHA@ANeu-DDAB) by fusion of lung-targeting functional lipid, neutrophil membrane containing activated β2 integrins, and the therapeutic lipid, docosahexaenoic acid (DHA). By the advantage of lung targeting lipid and β2 integrin targeting adhesion, DHA@ANeu-DDAB can first target lung tissue and further target inflammatory vascular endothelial cells, to achieve "tissue first, cell second" hierarchical delivery. In addition, the β2 integrins in DHA@ANeu-DDAB could bind to the intercellular cell adhesion molecule-1/2 (ICAM-1/2) ligand on the endothelium in the inflamed blood vessels, thus inhibiting neutrophils' infiltration in the blood circulation. DHA administration to inflamed lungs could effectively regulate macrophage phenotype and promote its anti-inflammatory activity via enhanced biosynthesis of specialized pro-resolving mediators. In the lipopolysaccharide-induced ARDS mouse model, DHA@ANeu-DDAB afforded a comprehensive and efficient inhibition of lung inflammation and promoted acute lung damage repair. Through mimicking physiological processes, these engineered biomimetic vesicles as a delivery system possess good potential in targeting therapy for ARDS.
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Affiliation(s)
- Xiaonan Li
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qi Qiao
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiong Liu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qian Hu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yulin Yu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xianya Qin
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Tianyi Tian
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yinmei Tian
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiangjun Ou
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Boning Niu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Conglian Yang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Li Kong
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhiping Zhang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
- National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Engineering Research Centre for Novel Drug Delivery System, Huazhong University of Science and Technology, Wuhan 430030, China
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8
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Wu J, Dong W, Pan Y, Wang J, Wu M, Yu Y. Crosstalk between gut microbiota and metastasis in colorectal cancer: implication of neutrophil extracellular traps. Front Immunol 2023; 14:1296783. [PMID: 37936694 PMCID: PMC10626548 DOI: 10.3389/fimmu.2023.1296783] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/10/2023] [Indexed: 11/09/2023] Open
Abstract
Primary colorectal cancer (CRC) often leads to liver metastasis, possibly due to the formation of pre-metastatic niche (PMN) in liver. Thus, unravelling the key modulator in metastasis is important for the development of clinical therapies. Gut microbiota dysregulation is a key event during CRC progression and metastasis. Numerous studies have elucidated the correlation between specific gut bacteria strains (e.g., pks + E. coli and Bacteroides fragilis) and CRC initiation, and gut bacteria translocation is commonly witnessed during CRC progression. Gut microbiota shapes tumor microenvironment (TME) through direct contact with immune cells or through its functional metabolites. However, how gut microbiota facilitates CRC metastasis remains controversial. Meanwhile, recent studies identify the dissemination of bacteria from gut lumen to liver, suggesting the role of gut microbiota in shaping tumor PMN. A pro-tumoral PMN is characterized by the infiltration of immunosuppressive cells and increased pro-inflammatory immune responses. Notably, neutrophils form web-like structures known as neutrophil extracellular traps (NETs) both in primary TME and metastatic sites, NETs are involved in cancer progression and metastasis. In this review, we focus on the role of gut microbiota in CRC progression and metastasis, highlight the multiple functions of different immune cell types in TME, especially neutrophils and NETs, discuss the possible mechanisms of gut microbiota in shaping PMN formation, and provide therapeutical indications in clinic.
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Affiliation(s)
- Jiawei Wu
- Department of General Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
- Clinical Research and Lab Center, Affiliated Kunshan Hospital of Jiangsu University, Kunshan, China
| | - Wenyan Dong
- Department of General Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yayun Pan
- Department of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jingjing Wang
- Department of Burn and Plastic Surgery, Affiliated Kunshan Hospital of Jiangsu University, Kunshan, China
| | - Minliang Wu
- Department of Plastic Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yue Yu
- Department of General Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
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9
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Ni J, Li G, Dai N, Quan Z, Tong H, Liu Y. Esculin alleviates LPS-induced acute lung injury via inhibiting neutrophil recruitment and migration. Int Immunopharmacol 2023; 119:110177. [PMID: 37068336 PMCID: PMC10105132 DOI: 10.1016/j.intimp.2023.110177] [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: 02/13/2023] [Revised: 03/25/2023] [Accepted: 04/09/2023] [Indexed: 04/19/2023]
Abstract
OBJECTIVES Acute lung injury (ALI) poses a serious threat to human health globally, particularly with the Coronavirus 2019 (COVID-19) pandemic. Excessive recruitment and infiltration of neutrophils is the major etiopathogenesis of ALI. Esculin, also known as 6,7-dihydroxycoumarin, is a remarkable compound derived from traditional Chinese medicine Cortex fraxini. Accumulated evidence indicates that esculin has potent anti-inflammatory effects, but its pharmaceutical effect against ALI and potential mechanisms are still unclear. METHODS This study evaluated the protective effect of esculin against ALI by histopathological observation and biochemical analysis of lung tissues and bronchoalveolar lavage fluid (BALF) in lipopolysaccharide (LPS)-challenged ALI mice in vivo. The effects of esculin on N-formyl-met-leu-phe (fMLP)-induced neutrophil migration and chemotaxis were quantitatively assessed using a Transwell assay and an automated cell imaging system equipped with a Zigmond chamber, respectively. The drug affinity responsive target stability (DARTS) assay, in vitro protein binding assay and molecular docking were performed to identify the potential therapeutic target of esculin and the potential binding sites and pattern. RESULTS Esculin significantly attenuated LPS-induced lung pathological injury, reduced the levels of pro-inflammatory cytokines in both BALF and lung, and suppressed the activation of NF-κB signaling. Esculin also significantly reduced the number of total cells and neutrophils as well as myeloperoxidase (MPO) activity in the BALF. Esculin impaired neutrophil migration and chemotaxis as evidenced by the reduced migration distance and velocity. Furthermore, esculin remarkably inhibited Vav1 phosphorylation, suppressed Rac1 activation and the PAK1/LIMK1/cofilin signaling axis. Mechanistically, esculin could interact with β2 integrin and then diminish its ligand affinity with intercellular adhesion molecule-1 (ICAM-1). CONCLUSIONS Esculin inhibits β2 integrin-dependent neutrophil migration and chemotaxis, blocks the cytoskeletal remodeling process required for neutrophil recruitment, thereby contributing to its protective effect against ALI. This study demonstrates the new therapeutic potential of esculin as a novel lead compound.
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Affiliation(s)
- Jiangwei Ni
- Department of Thoracic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Ge Li
- Department of Thoracic Surgery, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou 325200, PR China
| | - Ningfeng Dai
- Department of Thoracic Surgery, The Affiliated Cangnan Hospital of Wenzhou Medical University, Wenzhou 325800, PR China
| | - Zijiao Quan
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou 325000, PR China
| | - Haibin Tong
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou 325000, PR China.
| | - Yu Liu
- Department of Thoracic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China.
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10
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Hu W, Gao W, Gong Y, Guo P, Li W, Shu X, Lü S, Zeng Z, Zhang Y, Long M. Trail Formation Alleviates Excessive Adhesion and Maintains Efficient Neutrophil Migration. ACS APPLIED MATERIALS & INTERFACES 2023; 15:17577-17591. [PMID: 36976830 DOI: 10.1021/acsami.3c00288] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Migrating neutrophils are found to leave behind subcellular trails in vivo, but the underlying mechanisms remain unclear. Here, an in vitro cell migration test plus an in vivo observation was applied to monitor neutrophil migration on intercellular cell adhesion molecule-1 (ICAM-1) presenting surfaces. Results indicated that migrating neutrophils left behind long-lasting, chemokine-containing trails. Trail formation tended to alleviate excessive cell adhesion enhanced by the trans-binding antibody and maintain efficient cell migration, which was associated with differential instantaneous edge velocity between the cell front and rear. CD11a and CD11b worked differently in inducing trail formation with polarized distributions on the cell body and uropod. Trail release at the cell rear was attributed to membrane ripping, in which β2-integrin was disrupted from the cell membrane through myosin-mediated rear contraction and integrin-cytoskeleton dissociation, potentiating a specialized strategy of integrin loss and cell deadhesion to maintain efficient migration. Moreover, neutrophil trails left on the substrate served as immune forerunners to recruit dendritic cells. These results provided an insight in elucidating the mechanisms of neutrophil trail formation and deciphering the roles of trail formation in efficient neutrophil migration.
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Affiliation(s)
- Wenhui Hu
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, P.R. China
| | - Wenbo Gao
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
| | - Yixin Gong
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pan Guo
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wang Li
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinyu Shu
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shouqin Lü
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhu Zeng
- School of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, P.R. China
| | - Yan Zhang
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mian Long
- Center for Biomechanics and Bioengineering, Key Laboratory of Microgravity (National Microgravity Laboratory) and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
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11
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Schneider P, Salamon H, Weizmann N, Nissim-Eliraz E, Lysnyansky I, Shpigel NY. Immune profiling of experimental murine mastitis reveals conserved response to mammary pathogenic Escherichia coli, Mycoplasma bovis, and Streptococcus uberis. Front Microbiol 2023; 14:1126896. [PMID: 37032878 PMCID: PMC10080000 DOI: 10.3389/fmicb.2023.1126896] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 02/27/2023] [Indexed: 04/11/2023] Open
Abstract
Mastitis is one of the most prevalent and economically important diseases of dairy animals. The disease is caused by ascending bacterial infection through the teat canal. Among the most common mastitis-causing bacteria are Gram-negative coliforms, Gram-positive streptococci and staphylococci, and mycoplasma. The most prominent cellular hallmark of acute mammary infection is a massive recruitment of blood neutrophils into the tubular and alveolar milk spaces. The complex biological processes of leukocyte recruitment, activation, adhesion, and migration in the mammary gland remain largely elusive to date. While field research of mastitis in dairy animals contributed a lot to the development of mitigation, control, and even eradication programs, little progress was made toward understanding the molecular mechanisms underlying the pathogenesis of the disease. We report here experimental mastitis model systems in lactating mice challenged with field strains of common udder pathogens in dairy cows. We used these model systems to apply recently developed multiplex gene expression technology (Nanostring nCounter), which enabled us to study the expression of over 700 immune genes. Our analysis revealed a core of 100 genes that are similarly regulated and functionally or physically interacting in E. coli, M. bovis, and Strep uberis murine mastitis. Common significantly enriched gene sets include TNFɑ signaling via NFkB, Interferon gamma and alpha response, and IL6-JAK-STAT3 signaling. In addition, we show a significantly enriched expression of genes associated with neutrophil extracellular traps (NET) in glands challenged by the three pathogens. Ligand-receptor analysis revealed interactions shared by the three pathogens, including the interaction of the cytokines IL1β, IL1ɑ, and TNFɑ with their receptors, and proteins involved in immune cell recruitment such as complement C3 and ICAM1 (with CD11b), chemokines CCL3 and CCL4 (with CCR1), and CSF3 (with CSF3R). Taken together, our results show that mammary infection with E. coli, M. bovis, and Strep uberis culminated in the activation of a conserved core of immune genes and pathways including NET formation.
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Affiliation(s)
- Peleg Schneider
- Department of Basic Sciences, The Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Hagit Salamon
- Department of Basic Sciences, The Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Nathalie Weizmann
- Department of Basic Sciences, The Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Einat Nissim-Eliraz
- Department of Basic Sciences, The Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Inna Lysnyansky
- Mycoplasma Unit, Kimron Veterinary Institute, Beit Dagan, Israel
| | - Nahum Y. Shpigel
- Department of Basic Sciences, The Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Rehovot, Israel
- *Correspondence: Nahum Y. Shpigel,
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12
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Burmeister A, Vidal-y-Sy S, Liu X, Mess C, Wang Y, Konwar S, Tschongov T, Häffner K, Huck V, Schneider SW, Gorzelanny C. Impact of neutrophil extracellular traps on fluid properties, blood flow and complement activation. Front Immunol 2022; 13:1078891. [PMID: 36591269 PMCID: PMC9800590 DOI: 10.3389/fimmu.2022.1078891] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction The intravascular formation of neutrophil extracellular traps (NETs) is a trigger for coagulation and blood vessel occlusion. NETs are released from neutrophils as a response to strong inflammatory signals in the course of different diseases such as COVID-19, cancer or antiphospholipid syndrome. NETs are composed of large, chromosomal DNA fibers decorated with a variety of proteins such as histones. Previous research suggested a close mechanistic crosstalk between NETs and the coagulation system involving the coagulation factor XII (FXII), von Willebrand factor (VWF) and tissue factor. However, the direct impact of NET-related DNA fibers on blood flow and blood aggregation independent of the coagulation cascade has remained elusive. Methods In the present study, we used different microfluidic setups in combination with fluorescence microscopy to investigate the influence of neutrophil-derived extracellular DNA fibers on blood rheology, intravascular occlusion and activation of the complement system. Results We found that extended DNA fiber networks decelerate blood flow and promote intravascular occlusion of blood vessels independent of the plasmatic coagulation. Associated with the DNA dependent occlusion of the flow channel was the strong activation of the complement system characterized by the production of complement component 5a (C5a). Vice versa, we detected that the local activation of the complement system at the vascular wall was a trigger for NET release. Discussion In conclusion, we found that DNA fibers as the principal component of NETs are sufficient to induce blood aggregation even in the absence of the coagulation system. Moreover, we discovered that complement activation at the endothelial surface promoted NET formation. Our data envisions DNA degradation and complement inhibition as potential therapeutic strategies in NET-induced coagulopathies.
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Affiliation(s)
- Antonia Burmeister
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sabine Vidal-y-Sy
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Xiaobo Liu
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian Mess
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Yuanyuan Wang
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Swagata Konwar
- Department of Internal Medicine IV, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Todor Tschongov
- Department of Internal Medicine IV, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Karsten Häffner
- Department of Internal Medicine IV, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Volker Huck
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Stefan W. Schneider
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,*Correspondence: Christian Gorzelanny, ; Stefan W. Schneider,
| | - Christian Gorzelanny
- Department of Dermatology and Venereology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany,*Correspondence: Christian Gorzelanny, ; Stefan W. Schneider,
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13
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Chen Q, Yin H, Liu S, Shoucair S, Ding N, Ji Y, Zhang J, Wang D, Kuang T, Xu X, Yu J, Wu W, Pu N, Lou W. Prognostic value of tumor-associated N1/N2 neutrophil plasticity in patients following radical resection of pancreas ductal adenocarcinoma. J Immunother Cancer 2022; 10:jitc-2022-005798. [PMID: 36600557 PMCID: PMC9730407 DOI: 10.1136/jitc-2022-005798] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/03/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND As an integral part of the tumor microenvironment (TME), tumor-associated neutrophils play a crucial role in tumor development. The objective of this study was to investigate the plasticity of tumor-associated N1 and N2 neutrophils in the TME of pancreatic ductal adenocarcinoma (PDAC), along with its impact on survival and association with immune infiltrations. METHODS The primary and validation cohorts including 90 radical resection patients from September 2012 to May 2016 and 29 radical resection patients from September 2018 to October 2019, respectively, with complete survival data, were enrolled. Immunofluorescence staining was used to identify tumor-associated N1 and N2 neutrophils, and the N1/N2 ratio was used to evaluate N1 and N2 plasticity. Thereafter, the association between tumor-associated N1/N2 neutrophil plasticity, clinical features, and immune infiltrations was investigated. RESULTS There was a significant increase in tumor-associated N2 neutrophils compared with tumor-associated N1 neutrophils. Low N1/N2 ratios were associated with the poorer differentiation of tumors, easier lymph node metastases, and a higher TNM stage. The median overall survival (OS) and recurrence-free survival (RFS) of the high tumor-associated N1 neutrophil group were significantly longer than those of the low group, while the tumor-associated N2 neutrophils played an opposite role. The multivariable analysis revealed that a high N1/N2 ratio was a significant prognostic indicator for OS and RFS. In addition, tumor-associated N1/N2 neutrophils showed an opposite correlation with tumor-infiltrating CD8+ T cells and Tregs. CONCLUSION The plasticity of tumor-associated N1/N2 neutrophils was identified as a crucial prognostic indicator that might reflect the TME and immune escape in patients with PDAC. On further investigation and validation, our findings may be used to further stratify patients with varying prognoses to optimize treatment.
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Affiliation(s)
- Qiangda Chen
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hanlin Yin
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Siyao Liu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Sami Shoucair
- Department of Surgery, MedStar Health, Baltimore, Maryland, USA,Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ni Ding
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuan Ji
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China,Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jicheng Zhang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Dansong Wang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Tiantao Kuang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xuefeng Xu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jun Yu
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA,Departments of Medicine and Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Wenchuan Wu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ning Pu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wenhui Lou
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
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14
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Choi MC, Jo J, Lee M, Park J, Yao TP, Park Y. Cathelicidin-related antimicrobial peptide mediates skeletal muscle degeneration caused by injury and Duchenne muscular dystrophy in mice. J Cachexia Sarcopenia Muscle 2022; 13:3091-3105. [PMID: 36059045 PMCID: PMC9745559 DOI: 10.1002/jcsm.13065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 07/06/2022] [Accepted: 07/20/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Cathelicidin, an antimicrobial peptide, plays a key role in regulating bacterial killing and innate immunity; however, its role in skeletal muscle function is unknown. We investigated the potential role of cathelicidin in skeletal muscle pathology resulting from acute injury and Duchenne muscular dystrophy (DMD) in mice. METHODS Expression changes and muscular localization of mouse cathelicidin-related antimicrobial peptide (Cramp) were examined in the skeletal muscle of normal mice treated with chemicals (cardiotoxin and BaCl2 ) or in dystrophic muscle of DMD mouse models (mdx, mdx/Utrn+/- and mdx/Utrn-/- ). Cramp penetration into myofibres and effects on muscle damage were studied by treating synthetic peptides to mouse skeletal muscles or C2C12 myotubes. Cramp knockout (KO) mice and mdx/Utrn/Cramp KO lines were used to determine whether Cramp mediates muscle degeneration. Muscle pathophysiology was assessed by histological methods, serum analysis, grip strength and lifespan. Molecular factors targeted by Cramp were identified by the pull-down assay and proteomic analysis. RESULTS In response to acute muscle injury, Cramp was activated in muscle-infiltrating neutrophils and internalized into myofibres. Cramp treatments of mouse skeletal muscles or C2C12 myotubes resulted in muscle degeneration and myotube damage, respectively. Genetic ablation of Cramp reduced neutrophil infiltration and ameliorated muscle pathology, such as fibre size (P < 0.001; n = 6) and fibrofatty infiltration (P < 0.05). Genetic reduction of Cramp in mdx/Utrn+/- mice not only attenuated muscle damage (35%, P < 0.05; n = 9-10), myonecrosis (53%, P < 0.05), inflammation (37-65%, P < 0.01) and fibrosis (14%, P < 0.05) but also restored muscle fibre size (14%, P < 0.05) and muscle force (18%, P < 0.05). Reducing Cramp levels led to a 63% (male, P < 0.05; n = 10-14) and a 124% (female, P < 0.001; n = 20) increase in the lifespan of mdx/Utrn-/- mice. Proteomic and mechanistic studies revealed that Cramp cross-talks with Ca2+ signalling in skeletal muscle through sarcoplasmic/endoplasmic reticulum Ca2+ -ATPase1 (SERCA1). Cramp binds and inactivates SERCA1, leading to the activation of Ca2+ -dependent calpain proteases that exacerbate DMD progression. CONCLUSIONS These findings identify Cramp as an immune cell-derived regulator of skeletal muscle degeneration and provide a potential therapeutic target for DMD.
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Affiliation(s)
- Moon-Chang Choi
- Department of Biomedical Science, Chosun University, Gwangju, South Korea
| | - Jiwon Jo
- Department of Biomedical Science, Chosun University, Gwangju, South Korea
| | - Myeongjin Lee
- Department of Biomedical Science, Chosun University, Gwangju, South Korea
| | - Jonggwan Park
- Department of Bioinformatics, Kongju National University, Kongju, South Korea
| | - Tso-Pang Yao
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Yoonkyung Park
- Department of Biomedical Science, Chosun University, Gwangju, South Korea
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15
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Joseph C, Tatler AL. Pathobiology of Airway Remodeling in Asthma: The Emerging Role of Integrins. J Asthma Allergy 2022; 15:595-610. [PMID: 35592385 PMCID: PMC9112045 DOI: 10.2147/jaa.s267222] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/25/2022] [Indexed: 12/19/2022] Open
Abstract
Airway remodeling is a complex clinical feature of asthma that involves long-term disruption and modification of airway architecture, which contributes significantly to airway hyperresponsiveness (AHR) and lung function decline. It is characterized by thickening of the airway smooth muscle layer, deposition of a matrix below the airway epithelium, resulting in subepithelial fibrosis, changes within the airway epithelium, leading to disruption of the barrier, and excessive mucous production and angiogenesis within the airway wall. Airway remodeling contributes to stiffer and less compliant airways in asthma and leads to persistent, irreversible airflow obstruction. Current asthma treatments aim to reduce airway inflammation and exacerbations but none are targeted towards airway remodeling. Inhibiting the development of airway remodeling or reversing established remodeling has the potential to dramatically improve symptoms and disease burden in asthmatic patients. Integrins are a family of transmembrane heterodimeric proteins that serve as the primary receptors for extracellular matrix (ECM) components, mediating cell-cell and cell-ECM interactions to initiate intracellular signaling cascades. Cells present within the lungs, including structural and inflammatory cells, express a wide and varying range of integrin heterodimer combinations and permutations. Integrins are emerging as an important regulator of inflammation, repair, remodeling, and fibrosis in the lung, particularly in chronic lung diseases such as asthma. Here, we provide a comprehensive summary of the current state of knowledge on integrins in the asthmatic airway and how these integrins promote the remodeling process, and emphasize their potential involvement in airway disease.
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Affiliation(s)
- Chitra Joseph
- Centre for Respiratory Research, National Institute for Health Research Biomedical Research Centre, School of Medicine, University of Nottingham, Nottingham, UK
| | - Amanda L Tatler
- Centre for Respiratory Research, National Institute for Health Research Biomedical Research Centre, School of Medicine, University of Nottingham, Nottingham, UK
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16
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Zhang Q, Ling S, Hu K, Liu J, Xu JW. Role of the renin-angiotensin system in NETosis in the coronavirus disease 2019 (COVID-19). Pharmacotherapy 2022; 148:112718. [PMID: 35176710 PMCID: PMC8841219 DOI: 10.1016/j.biopha.2022.112718] [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: 12/02/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 12/20/2022]
Abstract
Myocardial infarction and stroke are the leading causes of death in the world. Numerous evidence has confirmed that hypertension promotes thrombosis and induces myocardial infarction and stroke. Recent findings reveal that neutrophil extracellular traps (NETs) are involved in the induction of myocardial infarction and stroke. Meanwhile, patients with severe COVID-19 suffer from complications such as myocardial infarction and stroke with pathological signs of NETs. Due to the extremely low amount of virus detected in the blood and remote organs (e.g., heart, brain and kidney) in a few cases, it is difficult to explain the mechanism by which the virus triggers NETosis, and there may be a different mechanism than in the lung. A large number of studies have found that the renin-angiotensin system regulates the NETosis at multiple levels in patients with COVID-19, such as endocytosis of SARS-COV-2, abnormal angiotensin II levels, neutrophil activation and procoagulant function at multiple levels, which may contribute to the formation of reticular structure and thrombosis. The treatment of angiotensin-converting enzyme inhibitors (ACEI), angiotensin II type 1 receptor blockers (ARBs) and neutrophil recruitment and active antagonists helps to regulate blood pressure and reduce the risk of net and thrombosis. The review will explore the possible role of the angiotensin system in the formation of NETs in severe COVID-19.
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17
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Shurmur SW. Elevated NLR and Increased Coronary Mortality – Causative, or Just an Association? CARDIOVASCULAR REVASCULARIZATION MEDICINE 2022; 34:104-105. [DOI: 10.1016/j.carrev.2021.10.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 11/03/2022]
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18
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Blanter M, Cockx M, Wittebols L, Abouelasrar Salama S, De Bondt M, Berghmans N, Pörtner N, Vanbrabant L, Lorent N, Gouwy M, Boon M, Struyf S. Sputum from patients with primary ciliary dyskinesia contains high numbers of dysfunctional neutrophils and inhibits efferocytosis. Respir Res 2022; 23:359. [PMID: 36528664 PMCID: PMC9758951 DOI: 10.1186/s12931-022-02280-7] [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: 07/01/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Primary ciliary dyskinesia (PCD) is a genetic disorder characterized by recurrent airway infection and inflammation. There is no cure for PCD and to date there are no specific treatments available. Neutrophils are a crucial part of the immune system and are known to be dysfunctional in many inflammatory diseases. So far, the role of the neutrophils in PCD airways is largely unknown. The purpose of this study was to investigate the phenotype and function of airway neutrophils in PCD, and compare them to blood neutrophils. METHODS Paired peripheral blood and spontaneously expectorated sputum samples from patients with PCD (n = 32) and a control group of patients with non-PCD, non-cystic fibrosis bronchiectasis (n = 5) were collected. The expression of neutrophil-specific surface receptors was determined by flow cytometry. Neutrophil function was assessed by measuring the extent of actin polymerization, production of reactive oxygen species (ROS) and release of neutrophil extracellular traps (NETs) in response to activating stimuli. RESULTS Sputum neutrophils displayed a highly activated phenotype and were unresponsive to stimuli that would normally induce ROS production, actin polymerization and the expulsion of NETs. In addition, PCD sputum displayed high activity of neutrophil elastase, and impaired the efferocytosis by healthy donor macrophages. CONCLUSIONS Sputum neutrophils in PCD are dysfunctional and likely contribute to ongoing inflammation in PCD airways. Further research should focus on anti-inflammatory therapies and stimulation of efferocytosis as a strategy to treat PCD.
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Affiliation(s)
- Marfa Blanter
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Maaike Cockx
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Liesel Wittebols
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Sara Abouelasrar Salama
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Mirre De Bondt
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Nele Berghmans
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Noëmie Pörtner
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Lotte Vanbrabant
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Natalie Lorent
- grid.410569.f0000 0004 0626 3338Pneumology and Cystic Fibrosis Unit, Department of Pneumology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Mieke Gouwy
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - Mieke Boon
- grid.410569.f0000 0004 0626 3338Pediatric Pneumology and Cystic Fibrosis Unit, Department of Pediatrics, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Sofie Struyf
- grid.5596.f0000 0001 0668 7884Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
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19
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Cheng WJ, Chiang CC, Lin CY, Chen YL, Leu YL, Sie JY, Chen WL, Hsu CY, Kuo JJ, Hwang TL. Astragalus mongholicus Bunge Water Extract Exhibits Anti-inflammatory Effects in Human Neutrophils and Alleviates Imiquimod-Induced Psoriasis-Like Skin Inflammation in Mice. Front Pharmacol 2021; 12:762829. [PMID: 34955833 PMCID: PMC8707293 DOI: 10.3389/fphar.2021.762829] [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: 08/23/2021] [Accepted: 11/16/2021] [Indexed: 12/17/2022] Open
Abstract
Neutrophils are the primary immune cells in innate immunity, which are related to various inflammatory diseases. Astragalus mongholicus Bunge is a Chinese medicinal herb used to treat various oxidative stress-related inflammatory diseases. However, there are limited studies that elucidate the effects of Astragalus mongholicus Bunge in human neutrophils. In this study, we used isolated human neutrophils activated by various stimulants to investigate the anti-inflammatory effects of Astragalus mongholicus Bunge water extract (AWE). Cell-free assays were used to examine free radicals scavenging capabilities on superoxide anion, reactive oxygen species (ROS), and nitrogen-centered radicals. Imiquimod (IMQ) induced psoriasis-like skin inflammation mouse model was used for investigating anti-psoriatic effects. We found that AWE inhibited superoxide anion production, ROS generation, and elastase release in human neutrophils, which exhibiting a direct anti-neutrophil effect. Moreover, AWE exerted a ROS scavenging ability in the 2,2’-Azobis (2-amidinopropane) dihydrochloride assay, but not superoxide anion in the xanthine/xanthine oxidase assay, suggesting that AWE exhibited anti-oxidation and anti-inflammatory capabilities by both scavenging ROS and by directly inhibiting neutrophil activation. AWE also reduced CD11b expression and adhesion to endothelial cells in activated human neutrophils. Meanwhile, in mice with psoriasis-like skin inflammation, administration of topical AWE reduced both the affected area and the severity index score. It inhibited neutrophil infiltration, myeloperoxidase release, ROS-induced damage, and skin proliferation. In summary, AWE exhibited direct anti-inflammatory effects by inhibiting neutrophil activation and anti-psoriatic effects in mice with IMQ-induced psoriasis-like skin inflammation. Therefore, AWE could potentially be a pharmaceutical Chinese herbal medicine to inhibit neutrophilic inflammation for anti-psoriasis.
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Affiliation(s)
- Wei-Jen Cheng
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Center for Traditional Chinese Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chih-Chao Chiang
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Puxin Fengze Chinese Medicine Clinic, Taoyuan, Taiwan
| | - Cheng-Yu Lin
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yu-Li Chen
- Research Center for Chinese Herbal Medicine, Research Center for Food and Cosmetic Safety, Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Yann-Lii Leu
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Jia-Yu Sie
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wen-Ling Chen
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chung-Yuan Hsu
- Center for Traditional Chinese Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jong-Jen Kuo
- School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Center for Traditional Chinese Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Graduate Institute of Traditional Chinese Medicine, School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Research Center for Chinese Herbal Medicine, Research Center for Food and Cosmetic Safety, Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City, Taiwan
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20
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Iliev DB, Strandskog G, Sobhkhez M, Bruun JA, Jørgensen JB. Secretome Profiling of Atlantic Salmon Head Kidney Leukocytes Highlights the Role of Phagocytes in the Immune Response to Soluble β-Glucan. Front Immunol 2021; 12:736964. [PMID: 34917074 PMCID: PMC8671040 DOI: 10.3389/fimmu.2021.736964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 11/12/2021] [Indexed: 12/01/2022] Open
Abstract
β‐Glucans (BG) are glucose polymers which are produced in bacteria and fungi but not in vertebrate organisms. Being recognized by phagocytic leukocytes including macrophages and neutrophils through receptors such as dectin-1 and Complement receptor 3 (CR3), the BG are perceived by the innate immune system of vertebrates as foreign substances known as Pathogen Associated Molecular Patterns (PAMPs). The yeast-derived BG has been recognized for its potent biological activity and it is used as an immunomodulator in human and veterinary medicine. The goal of the current study was to characterize the immunostimulatory activity of soluble yeast BG in primary cultures of Atlantic salmon (Salmo salar) head kidney leukocytes (HKLs) in which phagocytic cell types including neutrophils and mononuclear phagocytes predominate. The effect of BG on the secretome of HKL cultures, including secretion of extracellular vesicles (EVs) and soluble protein55s was characterized through western blotting and mass spectrometry. The results demonstrate that, along with upregulation of proinflammatory genes, BG induces secretion of ubiquitinated proteins (UbP), MHCII-containing EVs from professional antigen presenting cells as well as proteins derived from granules of polymorphonuclear granulocytes (PMN). Among the most abundant proteins identified in BG-induced EVs were beta-2 integrin subunits, including CD18 and CD11 homologs, which highlights the role of salmon granulocytes and mononuclear phagocytes in the response to soluble BG. Overall, the current work advances the knowledge about the immunostimulatory activity of yeast BG on the salmon immune system by shedding light on the effect of this PAMP on the secretome of salmon leukocytes.
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Affiliation(s)
- Dimitar B Iliev
- The Norwegian College of Fishery Science, UiT The Arctic University of Norway, Tromsø, Norway.,Department of Gene Regulation, Institute of Molecular Biology 'Roumen Tsanev', Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Guro Strandskog
- The Norwegian College of Fishery Science, UiT The Arctic University of Norway, Tromsø, Norway
| | - Mehrdad Sobhkhez
- The Norwegian College of Fishery Science, UiT The Arctic University of Norway, Tromsø, Norway
| | - Jack A Bruun
- Department of Medical Biology, Proteomics Platform, UiT The Arctic University of Norway, Tromsø, Norway
| | - Jorunn B Jørgensen
- The Norwegian College of Fishery Science, UiT The Arctic University of Norway, Tromsø, Norway
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