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Xiong L, Fan C, Song J, Wan Y, Lin X, Su Z, Qiu J, Wu W, He Z, Wu Y, Yang X. Associations of long-term cadmium exposure with peripheral white blood cell subtype counts and indices in residents of cadmium-polluted areas. CHEMOSPHERE 2022; 308:135946. [PMID: 36007735 DOI: 10.1016/j.chemosphere.2022.135946] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 07/29/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Experimental evidence suggests that exposure to cadmium (Cd) could affect immune cells in vivo and in vitro. However, the associations of long-term Cd exposure with white blood cell (WBC) subtype counts and hemogram-derived indices have been rarely investigated. Therefore, we evaluated these relationships in residents of cadmium-polluted areas. METHODS This cross-sectional study included 431 participants aged 45-75 years without occupational exposure histories from Cd-contaminated areas of southern China. We detected WBC, neutrophil, lymphocyte, and monocyte counts using routine blood tests and calculated neutrophil-lymphocyte ratio (NLR), systemic inflammation response index (SIRI), and lymphocyte-monocyte ratio (LMR). Urinary Cd (U-Cd) was measured with inductively coupled plasma mass spectrometry and adjusted for creatinine. To evaluate the associations of U-Cd with peripheral WBC subtype counts and indices, we performed multivariate linear regression, logistic regression and subgroup analyses using U-Cd categorized into quartiles. RESULTS In models adjusted for all potential confounders, U-Cd was negatively associated with WBC, neutrophil, and monocyte counts in Q2, compared with Q1 of U-Cd (p < 0.05). A similar relationship was observed between U-Cd and NLR and SIRI, whereas the corresponding association for LMR was positive (p < 0.05). In subgroup analyses, U-Cd was negatively associated with neutrophil count, except for never smokers, after full adjustment. CONCLUSIONS U-Cd was negatively associated with WBC count, neutrophil count, monocyte count, NLR, and SIRI, and positively associated with LMR. Therefore, neutrophil count could be a potential indicator of long-term Cd exposure-associated immunosuppressive effect.
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Affiliation(s)
- Lili Xiong
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Cuihua Fan
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Jia Song
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Yu Wan
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Xiuqin Lin
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Zujian Su
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, Guangdong, 510000, China
| | - Jianmin Qiu
- The Fifth Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - WeiLiang Wu
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Zhini He
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - Yongning Wu
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China; NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing, 100021, China.
| | - Xingfen Yang
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou, Guangdong, 510000, China.
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Xiao W, Li J, Huang X, Zhu Q, Liu T, Xie H, Deng Z, Tang Y. Mediation roles of neutrophils and high-density lipoprotein (HDL) on the relationship between HLA-DQB1 and rosacea. Ann Med 2022; 54:1530-1537. [PMID: 35622385 PMCID: PMC9891224 DOI: 10.1080/07853890.2022.2077427] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Though the previous genome-wide association studies found the association between HLA alleles and rosacea in the European populations, the data is lacking among the Asians. Moreover, neutrophils are important in the immune-related mechanism of rosacea, and dyslipidemia is closely related to rosacea. We aimed to explore the association between HLA genes and rosacea in Chinese rosacea patients, as well as the mediation effect of neutrophils, high-density lipoprotein (HDL) and low-density lipoprotein (LDL) on the relationship between HLA genes and rosacea. METHODS A total of 249 rosacea and 150 controls were ranked by the international investigator global rosacea severity scores. HLA genes, neutrophils, HDL, and LDL were detected. And their mediation effects on the relationship between HLA and rosacea risk or severity were analysed. RESULTS HLA-DQB1*03:03 allele (OR = 41.89, 95% CI: 9.80 ∼ 179.09, p = 4.7*10-7), HLA-DQB1*04:02 allele (OR = 0.16, 95% CI: 0.03 ∼ 0.81, p = 0.026) and HLA-DQB1*03:03/05:02 genotype (OR = 5.57, 95% CI: 1.13 ∼ 27.52, p = 0.0351) were significantly associated with rosacea. Moreover, HLA-DQB1*03:03 allele (b = 1.434, SE = 0.217, p = 2.0*10-10), HLA-DQB1*05:01 allele (b = 0.894, SE = 0.33520, p = 0.008) and HLA-DQB1*03:03/06:01 genotype (b = 0.998, SE = 0.472, p = 0.040) were positively associated with rosacea severity. Furthermore, we found both neutrophils and HDL, instead of LDL, have mediation effects on the relationship between HLA-DQB1*03:03 and risk or severity of rosacea. CONCLUSIONS We discovered novel susceptible HLA alleles for rosacea in the Chinese population, and disclosed the mediation effect of neutrophils and HDL on the relationship between HLA-DQB1 and rosacea, implying a possible correlation between rosacea and inflammatory or metabolic factors, providing hints for future studies in the mechanism of rosacea. Key messagesHLA-DQB1*03:03 allele, HLA-DQB1*04:02 allele and HLA-DQB1*03:03/05:02 genotype were significantly associated with rosacea.HLA-DQB1*03:03 allele, HLA-DQB1*05:01 allele and HLA-DQB1*03:03/06:01 genotype were positively associated with rosacea severity.Neutrophils and HDL have mediation effects on the relationship between HLA-DQB1*03:03 and risk or severity of rosacea.
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Affiliation(s)
- Wenqin Xiao
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Central South Univerisity, Changsha, China
| | - Ji Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Central South Univerisity, Changsha, China
| | - Xin Huang
- Department of Epidemiology and Biostatistics, School of Medicine, Hunan Normal University, Changsha, China
| | - Quan Zhu
- Department of Immunology, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Tangxiele Liu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Central South Univerisity, Changsha, China
| | - Hongfu Xie
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Central South Univerisity, Changsha, China
| | - Zhili Deng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Central South Univerisity, Changsha, China
| | - Yan Tang
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Central South Univerisity, Changsha, China
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Rawat K, Shrivastava A. Neutrophils as emerging protagonists and targets in chronic inflammatory diseases. Inflamm Res 2022; 71:1477-1488. [PMID: 36289077 PMCID: PMC9607713 DOI: 10.1007/s00011-022-01627-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 08/15/2022] [Indexed: 11/05/2022] Open
Abstract
INTRODUCTION Neutrophils are the key cells of our innate immune system with a primary role in host defense. They rapidly arrive at the site of infection and display a range of effector functions including phagocytosis, degranulation, and NETosis to eliminate the invading pathogens. However, in recent years, studies focusing on neutrophil biology have revealed the highly adaptable nature and versatile functions of these cells which extend beyond host defense. Neutrophils are now referred to as powerful mediators of chronic inflammation. In several chronic inflammatory diseases, their untoward actions, such as immense infiltration, hyper-activation, dysregulation of effector functions, and extended survival, eventually contribute to disease pathogenesis. Therefore, a better understanding of neutrophils and their effector functions in prevalent chronic diseases will not only shed light on their role in disease pathogenesis but will also reveal them as novel therapeutic targets. METHODS We performed a computer-based online search using the databases, PubMed.gov and Clinical trials.gov for published research and review articles. RESULTS AND CONCLUSIONS This review provides an assessment of neutrophils and their crucial involvement in various chronic inflammatory disorders ranging from respiratory, neurodegenerative, autoimmune, and cardiovascular diseases. In addition, we also discuss the therapeutic approach for targeting neutrophils in disease settings that will pave the way forward for future research.
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Affiliation(s)
- Kavita Rawat
- Department of Zoology, University of Delhi, New Delhi, Delhi 110007 India
| | - Anju Shrivastava
- Department of Zoology, University of Delhi, New Delhi, Delhi 110007 India
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154
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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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155
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Menousek J, Horn CM, Heim CE, Van Roy Z, Korshoj LE, Kielian T. Transcriptional Profiling of Phagocytic Leukocytes and Microglia Reveals a Critical Role for Reactive Oxygen Species in Biofilm Containment during Staphylococcus aureus Craniotomy Infection. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1973-1986. [PMID: 36426943 PMCID: PMC9643635 DOI: 10.4049/jimmunol.2200503] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 09/13/2022] [Indexed: 12/31/2022]
Abstract
Craniotomies are performed to treat a variety of intracranial pathology. Surgical site infection remains a complication of craniotomy despite the use of prophylactic antibiotics and universal sterile precautions. Infections occur in 1-3% of procedures, with approximately half caused by Staphylococcus aureus that forms a biofilm on the bone flap and is recalcitrant to systemic antibiotic therapy. We used an S. aureus-dsRed construct to compare the phagocytic capacity of leukocytes and microglia in vitro and in vivo using a mouse model of craniotomy infection. In addition, single-cell RNA sequencing (scRNA-seq) was applied to determine whether a transcriptional signature could be identified for phagocytic versus nonphagocytic cells in vivo. S. aureus was phagocytosed to equivalent extents in microglia, macrophages, neutrophils, and granulocytic myeloid-derived suppressor cells in vitro; however, microglial uptake of S. aureus was limited in vivo, whereas the other leukocyte populations exhibited phagocytic activity. scRNA-seq comparing the transcriptional signatures of phagocytic (S. aureus-dsRed+) versus nonphagocytic (S. aureus-dsRed-) leukocytes identified classical pathways enriched in phagocytic cells (i.e., reactive oxygen species [ROS]/reactive nitrogen species, lysosome, iron uptake, and transport), whereas nonphagocytic populations had increased ribosomal, IFN, and hypoxia signatures. scRNA-seq also revealed a robust ROS profile, which led to the exploration of craniotomy infection in NADPH oxidase 2 knockout mice. S. aureus burden, leukocyte recruitment, and intracellular bacterial load were significantly increased in NADPH oxidase 2 KO compared with wild-type animals. Collectively, these results highlight the importance of ROS generation in phagocytes for S. aureus biofilm containment, but not clearance, during craniotomy infection.
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Affiliation(s)
- Joseph Menousek
- Department of Neurosurgery, University of Nebraska Medical Center, Omaha, NE 68198
| | - Christopher M. Horn
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Cortney E. Heim
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Zachary Van Roy
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Lee E. Korshoj
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Tammy Kielian
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198
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156
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Chen H, Xu X, Tang Q, Ni L, Cao S, Hao Y, Wang L, Hu X. (+)-Borneol inhibits the generation of reactive oxygen species and neutrophil extracellular traps induced by phorbol-12-myristate-13-acetate. Front Pharmacol 2022; 13:1023450. [PMID: 36419617 PMCID: PMC9676272 DOI: 10.3389/fphar.2022.1023450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 10/19/2022] [Indexed: 11/09/2022] Open
Abstract
Background and purpose: Neutrophil extracellular traps (NETs) are special web-like structures that can be generated in both infectious and noninfectious diseases. Previous studies showed that reactive oxygen species (ROS) were crucial in the formation of NETs (NETosis). The purpose of this study is to evaluate the effect of (+)-borneol, an antioxidant, on NETosis. Methods: Human neutrophils were stimulated with phorbol-12-myristate-13-acetate (PMA) to induce NETosis in vitro. Neutrophils treated with (+)-borneol at three different time points (−30 min, 0, and 30 min) associated with PMA stimulation were used to examine the effect of (+)-borneol on the formation of NETs. The ROS generation of neutrophils was also measured to explore the potential mechanism of the inhibitory effect of (+)-borneol on NETosis. Results: (+)-Borneol pretreatment inhibited NETosis induced by PMA. Immunofluorescence staining visualized and confirmed the inhibitory effect. (+)-Borneol inhibited the burst of ROS in neutrophils caused by PMA. Suppressing NADPH oxidase or protein kinase C (PKC) eliminated the effect of (+)-borneol on NETosis. Moreover, inhibiting Toll-like receptor 2 (TLR2) led to increased NETosis which can be inhibited by (+)-borneol. Conclusion: (+)-Borneol decreases the ROS level in activated neutrophils and inhibits NETosis triggered by PMA stimulation in vitro. (+)-Borneol therapy may be effective in some NET-dependent conditions.
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Affiliation(s)
- Hanze Chen
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xinxin Xu
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Qiwen Tang
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Linhui Ni
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shuxia Cao
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yonggang Hao
- Department of Neurology, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China
| | - Li Wang
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- *Correspondence: Li Wang, ; Xingyue Hu,
| | - Xingyue Hu
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- *Correspondence: Li Wang, ; Xingyue Hu,
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157
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Azcutia V, Kelm M, Kim S, Luissint AC, Flemming S, Abernathy-Close L, Young VB, Nusrat A, Miller MJ, Parkos CA. Distinct stimulus-dependent neutrophil dynamics revealed by real-time imaging of intestinal mucosa after acute injury. PNAS NEXUS 2022; 1:pgac249. [PMID: 36712325 PMCID: PMC9802210 DOI: 10.1093/pnasnexus/pgac249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
Abstract
Clinical symptoms in many inflammatory diseases of the intestine are directly related to neutrophil (PMN) migration across colonic mucosa and into the intestinal lumen, yet in-vivo studies detailing this process are lacking. Using real-time intravital microscopy and a new distal colon loop model, we report distinct PMN migratory dynamics in response to several models of acute colonic injury. PMNs exhibited rapid swarming responses after mechanically induced intestinal wounds. Similar numbers of PMNs infiltrated colonic mucosa after wounding in germ-free mice, suggesting microbiota-independent mechanisms. By contrast, acute mucosal injury secondary to either a treatment of mice with dextran sodium sulfate or an IL-10 receptor blockade model of colitis resulted in lamina propria infiltration with PMNs that were largely immotile. Biopsy wounding of colonic mucosa in DSS-treated mice did not result in enhanced PMN swarming however, intraluminal application of the neutrophil chemoattractant LTB4 under such conditions resulted in enhanced transepithelial migration of PMNs. Analyses of PMNs that had migrated into the colonic lumen revealed that the majority of PMNs were directly recruited from the circulation and not from the immotile pool in the mucosa. Decreased PMN motility parallels upregulation of the receptor CXCR4 and apoptosis. Similarly, increased expression of CXCR4 on human PMNs was observed in colonic biopsies from people with active ulcerative colitis. This new approach adds an important tool to investigate mechanisms regulating PMN migration across mucosa within the distal intestine and will provide new insights for developing future anti-inflammatory and pro-repair therapies.
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Affiliation(s)
- Veronica Azcutia
- Department of Pathology, University of Michigan; Ann Arbor, MI 48109, USA
| | - Matthias Kelm
- Department of Pathology, University of Michigan; Ann Arbor, MI 48109, USA
| | - Seonyoung Kim
- Department of Internal Medicine, Washington University School of Medicine; Saint Louis, MO 63110, USA
| | | | - Sven Flemming
- Department of Pathology, University of Michigan; Ann Arbor, MI 48109, USA
| | - Lisa Abernathy-Close
- Department of Internal Medicine/Division of Infectious Diseases, University of Michigan; Ann Arbor, MI 48109, USA
| | - Vincent B Young
- Department of Internal Medicine/Division of Infectious Diseases, University of Michigan; Ann Arbor, MI 48109, USA.,Department of Microbiology and Immunology, University of Michigan; Ann Arbor, MI 48109, USA
| | - Asma Nusrat
- Department of Pathology, University of Michigan; Ann Arbor, MI 48109, USA
| | - Mark J Miller
- Department of Internal Medicine, Washington University School of Medicine; Saint Louis, MO 63110, USA
| | - Charles A Parkos
- Department of Pathology, University of Michigan; Ann Arbor, MI 48109, USA
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158
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London D, Elhasid R, Baron S. Determination of reference intervals for neutrophil granular enzymes is affected by cell isolation techniques. J Immunol Methods 2022; 510:113346. [PMID: 36049559 DOI: 10.1016/j.jim.2022.113346] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/28/2022] [Accepted: 08/26/2022] [Indexed: 12/31/2022]
Abstract
OBJECTIVES Neutrophils and their granular enzymes such as neutrophil elastase (NE) and myeloperoxidase (MPO) play important roles in inflammatory diseases, and might be utilized as biomarkers for disease severity and progression. The aim of this study was to determine reference intervals for NE and MPO activity in healthy volunteers comparing two methods of neutrophil isolation. METHODS Neutrophils were isolated using ficoll density gradient centrifugation or immunomagnetic negative selection in two separate volunteers' cohorts. Subsequently, cells were lysed and incubated with chromogens for NE and MPO activity measurements, then measured with a microplate reader at 415 or 450 nm respectively. RESULTS The enzymatic activity of NE and MPO depended on the neutrophil isolation technique. Both enzymatic activities were significantly higher (P < 0.001) after isolating neutrophils with ficoll density gradient centrifugation than using the immunomagnetic negative selection. CONCLUSIONS We demonstrated that neutrophil isolation is an important factor that influences the outcome of enzymatic activity measurements. Techniques based on immunomagnetic negative selection are favorable, specifically for investigations related to NE and MPO activity. When using NE and MPO activity measurements in clinical practice, care must be taken to interpret the data depending on the applied cell isolation technique.
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Affiliation(s)
- Devora London
- Pediatric Hemato-Oncology Research Laboratory, Tel Aviv Medical Center, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ronit Elhasid
- Pediatric Hemato-Oncology Research Laboratory, Tel Aviv Medical Center, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Department of Pediatric Hemato-Oncology, Tel Aviv Medical Center, Tel Aviv, Israel
| | - Szilvia Baron
- Pediatric Hemato-Oncology Research Laboratory, Tel Aviv Medical Center, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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159
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Zemanova M, Langova L, Novotná I, Dvorakova P, Vrtkova I, Havlicek Z. Immune mechanisms, resistance genes, and their roles in the prevention of mastitis in dairy cows. Arch Anim Breed 2022; 65:371-384. [PMID: 36415759 PMCID: PMC9673033 DOI: 10.5194/aab-65-371-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 09/05/2022] [Indexed: 01/25/2023] Open
Abstract
Mastitis is one of the most important diseases of the mammary gland. The increased incidence of this disease in cows is due to the breeding of dairy cattle for higher yields, which is accompanied by an increased susceptibility to mastitis. Therefore, the difficulty involved with preventing this disease has increased. An integral part of current research is the elimination of mastitis in order to reduce the consumption of antibiotic drugs, thereby reducing the resistance of microorganisms and decreasing companies' economic losses due to mastitis (i.e. decreased milk yield, increased drug costs, and reduced milk supply). Susceptibility to mastitis is based on dairy cows' immunity, health, nutrition, and welfare. Thus, it is important to understand the immune processes in the body in order to increase the resistance of animals. Recently, various studies have focused on the selection of mastitis resistance genes. An important point is also the prevention of mastitis. This publication aims to describe the physiology of the mammary gland along with its immune mechanisms and to approximate their connection with potential mastitis resistance genes. This work describes various options for mastitis elimination and focuses on genetic selection and a closer specification of resistance genes to mastitis. Among the most promising resistance genes for mastitis, we consider CD14, CXCR1, lactoferrin, and lactoglobulin.
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160
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McCloskey MC, Zhang VZ, Ahmad SD, Walker S, Romanick SS, Awad HA, McGrath JL. Sourcing cells for in vitro models of human vascular barriers of inflammation. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:979768. [PMID: 36483299 PMCID: PMC9724237 DOI: 10.3389/fmedt.2022.979768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 09/29/2022] [Indexed: 07/20/2023] Open
Abstract
The vascular system plays a critical role in the progression and resolution of inflammation. The contributions of the vascular endothelium to these processes, however, vary with tissue and disease state. Recently, tissue chip models have emerged as promising tools to understand human disease and for the development of personalized medicine approaches. Inclusion of a vascular component within these platforms is critical for properly evaluating most diseases, but many models to date use "generic" endothelial cells, which can preclude the identification of biomedically meaningful pathways and mechanisms. As the knowledge of vascular heterogeneity and immune cell trafficking throughout the body advances, tissue chip models should also advance to incorporate tissue-specific cells where possible. Here, we discuss the known heterogeneity of leukocyte trafficking in vascular beds of some commonly modeled tissues. We comment on the availability of different tissue-specific cell sources for endothelial cells and pericytes, with a focus on stem cell sources for the full realization of personalized medicine. We discuss sources available for the immune cells needed to model inflammatory processes and the findings of tissue chip models that have used the cells to studying transmigration.
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Affiliation(s)
- Molly C. McCloskey
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Victor Z. Zhang
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, United States
| | - S. Danial Ahmad
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Samuel Walker
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Samantha S. Romanick
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
| | - Hani A. Awad
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, United States
- Department of Orthopaedics, University of Rochester Medical Center, Rochester, NY, United States
| | - James L. McGrath
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, United States
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161
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Neutrophils in the Pathogenesis of Rheumatic Diseases. RHEUMATOLOGY AND IMMUNOLOGY RESEARCH 2022; 3:120-127. [PMID: 36788971 PMCID: PMC9895873 DOI: 10.2478/rir-2022-0020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/04/2022] [Indexed: 11/07/2022]
Abstract
Rheumatic diseases, including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), are a group of auto-inflammatory disorders associated with substantial morbidity and mortality. One unifying feature of these diseases is the presence of abnormal neutrophils exhibiting dysregulated neutrophil extracellular trap (NET) release, reactive oxygen species (ROS) production, degranulation, and pro-inflammatory cytokines secretion. Moreover, the release of autoantigens associated with NETs promotes the generation of autoantibodies and a breakdown of self-tolerance, thereby perpetuating inflammation and tissue injury in these patients. In recent years, targeted therapies directed at neutrophilic effector functions have shown promising results in the management of rheumatic diseases. In this review, we will highlight the emerging roles of neutrophils in the onset and progression of rheumatic diseases, and further discuss current and future therapeutic approaches targeting the pathogenic functions of neutrophils, which can modulate inflammation and hence improve patients' survival and quality of life.
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162
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LaSalle TJ, Gonye ALK, Freeman SS, Kaplonek P, Gushterova I, Kays KR, Manakongtreecheep K, Tantivit J, Rojas-Lopez M, Russo BC, Sharma N, Thomas MF, Lavin-Parsons KM, Lilly BM, Mckaig BN, Charland NC, Khanna HK, Lodenstein CL, Margolin JD, Blaum EM, Lirofonis PB, Revach OY, Mehta A, Sonny A, Bhattacharyya RP, Parry BA, Goldberg MB, Alter G, Filbin MR, Villani AC, Hacohen N, Sade-Feldman M. Longitudinal characterization of circulating neutrophils uncovers phenotypes associated with severity in hospitalized COVID-19 patients. Cell Rep Med 2022; 3:100779. [PMID: 36208629 PMCID: PMC9510054 DOI: 10.1016/j.xcrm.2022.100779] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 08/02/2022] [Accepted: 09/21/2022] [Indexed: 01/21/2023]
Abstract
Mechanisms of neutrophil involvement in severe coronavirus disease 2019 (COVID-19) remain incompletely understood. Here, we collect longitudinal blood samples from 306 hospitalized COVID-19+ patients and 86 controls and perform bulk RNA sequencing of enriched neutrophils, plasma proteomics, and high-throughput antibody profiling to investigate relationships between neutrophil states and disease severity. We identify dynamic switches between six distinct neutrophil subtypes. At days 3 and 7 post-hospitalization, patients with severe disease display a granulocytic myeloid-derived suppressor cell-like gene expression signature, while patients with resolving disease show a neutrophil progenitor-like signature. Humoral responses are identified as potential drivers of neutrophil effector functions, with elevated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific immunoglobulin G1 (IgG1)-to-IgA1 ratios in plasma of severe patients who survived. In vitro experiments confirm that while patient-derived IgG antibodies induce phagocytosis in healthy donor neutrophils, IgA antibodies predominantly induce neutrophil cell death. Overall, our study demonstrates a dysregulated myelopoietic response in severe COVID-19 and a potential role for IgA-dominant responses contributing to mortality.
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Affiliation(s)
- Thomas J LaSalle
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Program in Health Sciences and Technology, Harvard Medical School & Massachusetts Institute of Technology, Boston, MA, USA.
| | - Anna L K Gonye
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Samuel S Freeman
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
| | | | - Irena Gushterova
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Kyle R Kays
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Kasidet Manakongtreecheep
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Center for Immunology and Inflammatory Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Jessica Tantivit
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Center for Immunology and Inflammatory Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Maricarmen Rojas-Lopez
- Department of Medicine, Harvard Medical School, Boston, MA, USA; Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Microbiology, Harvard Medical School, Boston, MA, USA
| | - Brian C Russo
- Department of Medicine, Harvard Medical School, Boston, MA, USA; Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Microbiology, Harvard Medical School, Boston, MA, USA
| | - Nihaarika Sharma
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Molly F Thomas
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Center for Immunology and Inflammatory Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA; Department of Gastroenterology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | | | - Brendan M Lilly
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Brenna N Mckaig
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Nicole C Charland
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Hargun K Khanna
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Carl L Lodenstein
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Justin D Margolin
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Emily M Blaum
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Paola B Lirofonis
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Or-Yam Revach
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Arnav Mehta
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Abraham Sonny
- Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Roby P Bhattacharyya
- Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA; Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Blair Alden Parry
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Marcia B Goldberg
- Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA; Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Microbiology, Harvard Medical School, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Galit Alter
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Michael R Filbin
- Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Emergency Medicine, Harvard Medical School, Boston, MA, USA
| | - Alexandra-Chloé Villani
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Center for Immunology and Inflammatory Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Nir Hacohen
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA.
| | - Moshe Sade-Feldman
- Center for Cancer Research, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA.
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163
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Andrés CMC, Pérez de la Lastra JM, Juan CA, Plou FJ, Pérez-Lebeña E. The Role of Reactive Species on Innate Immunity. Vaccines (Basel) 2022; 10:vaccines10101735. [PMID: 36298601 PMCID: PMC9609844 DOI: 10.3390/vaccines10101735] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/06/2022] [Accepted: 10/14/2022] [Indexed: 11/16/2022] Open
Abstract
This review examines the role of reactive species RS (of oxygen ROS, nitrogen RNS and halogen RHS) on innate immunity. The importance of these species in innate immunity was first recognized in phagocytes that underwent a “respiratory burst” after activation. The anion superoxide •O2− and hydrogen peroxide H2O2 are detrimental to the microbial population. NADPH oxidase NOx, as an •O2− producer is essential for microbial destruction, and patients lacking this functional oxidase are more susceptible to microbial infections. Reactive nitrogen species RNS (the most important are nitric oxide radical -•NO, peroxynitrite ONOO— and its derivatives), are also harmful to microorganisms, including bacteria, viruses, and parasites. Hypochlorous acid HOCl and hypothiocyanous acid HOSCN synthesized through the enzyme myeloperoxidase MPO, which catalyzes the reaction between H2O2 and Cl− or SCN−, are important inorganic bactericidal molecules, effective against a wide range of microbes. This review also discusses the role of antimicrobial peptides AMPs and their induction of ROS. In summary, reactive species RS are the heart of the innate immune system, and they are necessary for microbial lysis in infections that can affect mammals throughout their lives.
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Affiliation(s)
| | - José Manuel Pérez de la Lastra
- Institute of Natural Products and Agrobiology, CSIC-Spanish Research Council, Avda. Astrofísico Fco. Sánchez 3, 38206 La Laguna, Spain
- Correspondence:
| | - Celia Andrés Juan
- Cinquima Institute and Department of Organic Chemistry, Faculty of Sciences, Valladolid University, Paseo de Belén 7, 47011 Valladolid, Spain
| | - Francisco J. Plou
- Institute of Catalysis and Petrochemistry, CSIC-Spanish Research Council, 28049 Madrid, Spain
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164
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Chou DB, Furlong BA, Posey RR, Kyprianou C, O'Sullivan LR, David R, Randle SJ, Polanska UM, Travers J, Urosevic J, Hutchinson JN, Che J, Howley AM, Hasserjian RP, Prantil-Baun R, Ingber DE. Differential ABC transporter expression during hematopoiesis contributes to neutrophil-biased toxicity of Aurora kinase inhibitors. Nat Commun 2022; 13:6021. [PMID: 36224199 PMCID: PMC9556712 DOI: 10.1038/s41467-022-33672-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 09/21/2022] [Indexed: 11/09/2022] Open
Abstract
Drug-induced cytopenias are a prevalent and significant issue that worsens clinical outcomes and hinders the effective treatment of cancer. While reductions in blood cell numbers are classically associated with traditional cytotoxic chemotherapies, they also occur with newer targeted small molecules and the factors that determine the hematotoxicity profiles of oncologic drugs are not fully understood. Here, we explore why some Aurora kinase inhibitors cause preferential neutropenia. By studying drug responses of healthy human hematopoietic cells in vitro and analyzing existing gene expression datasets, we provide evidence that the enhanced vulnerability of neutrophil-lineage cells to Aurora kinase inhibition is caused by early developmental changes in ATP-binding cassette (ABC) transporter expression. These data show that hematopoietic cell-intrinsic expression of ABC transporters may be an important factor that determines how some Aurora kinase inhibitors affect the bone marrow.
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Affiliation(s)
- David B Chou
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
- Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Brooke A Furlong
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
| | - Ryan R Posey
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
| | - Christos Kyprianou
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
| | - Lucy R O'Sullivan
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
| | - Rhiannon David
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Suzanne J Randle
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, UK
| | | | - Jon Travers
- Early Oncology, R&D, AstraZeneca, Cambridge, UK
| | | | | | - Jianwei Che
- Department of Cancer Biology, Dana-Farber Cancer Institute, and Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Anna M Howley
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
| | | | - Rachelle Prantil-Baun
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA
| | - Donald E Ingber
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, USA.
- Vascular Biology Program and Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA.
- Harvard John A. Paulson School of Engineering and Applied Sciences, Boston, MA, USA.
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165
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Wu Y, Li Y, Luo Y, Zhou Y, Wen J, Chen L, Liang X, Wu T, Tan C, Liu Y. Gut microbiome and metabolites: The potential key roles in pulmonary fibrosis. Front Microbiol 2022; 13:943791. [PMID: 36274689 PMCID: PMC9582946 DOI: 10.3389/fmicb.2022.943791] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
There are a wide variety of microbiomes in the human body, most of which exist in the gastrointestinal tract. Microbiomes and metabolites interact with the host to influence health. Rapid progress has been made in the study of its relationship with abenteric organs, especially lung diseases, and the concept the of "gut-lung axis" has emerged. In recent years, with the in-depth study of the "gut-lung axis," it has been found that changes of the gut microbiome and metabolites are related to fibrotic interstitial lung disease. Understanding their effects on pulmonary fibrosis is expected to provide new possibilities for the prevention, diagnosis and even treatment of pulmonary fibrosis. In this review, we focused on fibrotic interstitial lung disease, summarized the changes the gut microbiome and several metabolites of the gut microbiome in different types of pulmonary fibrosis, and discussed their contributions to the occurrence and development of pulmonary fibrosis.
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Affiliation(s)
- Yinlan Wu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Yanhong Li
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Yubin Luo
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Yu Zhou
- Department of Respiratory and Critical Care Medicine, Chengdu First People’s Hospital, Chengdu, China
| | - Ji Wen
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Lu Chen
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Xiuping Liang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Tong Wu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China
| | - Chunyu Tan
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China,*Correspondence: Chunyu Tan,
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China,Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, China,Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Chengdu, China,Yi Liu,
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166
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Nyssen P, Franck T, Serteyn D, Mouithys-Mickalad A, Hoebeke M. Propofol metabolites and derivatives inhibit the oxidant activities of neutrophils and myeloperoxidase. Free Radic Biol Med 2022; 191:164-175. [PMID: 36064069 DOI: 10.1016/j.freeradbiomed.2022.08.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/10/2022] [Accepted: 08/29/2022] [Indexed: 10/14/2022]
Abstract
In previous studies, propofol has shown immunomodulatory abilities on various in vitro models. As this anesthetic molecule is extensively used in intensive care units, its anti-inflammatory properties present a great interest for the treatment of inflammatory disorders like the systemic inflammatory response syndrome. In addition to its inhibition abilities on important neutrophils mechanisms (chemotaxis, reactive oxygen species (ROS) production, Neutrophil Extracellular Traps (NETs) formation, …), our group has shown that propofol is also a reversible inhibitor of the oxidant myeloperoxidase (MPO) activity. Propofol being subject to rapid metabolism, its derivatives could contribute to its anti-inflammatory action. First, propofol-β-glucuronide (PPFG), 2,6-diisopropyl-1,4-p-benzoquinone (PPFQ) and 3,5,3',5'-tetraisopropyl-(4,4')-diphenoquinone (PPFDQ) were compared on their superoxide (O2.-) scavenging properties and more importantly on their inhibitory action on the O2.- release by activated neutrophils using EPR spectroscopy and chemiluminescence assays. PPFQ and PPFDQ are potent superoxide scavengers and also inhibit the release of ROS by neutrophils. An Enzyme-Linked Immunosorbent Assay (ELISA) has also highlighted the ability of both molecules to significantly decrease the MPO degranulation process of neutrophils. Fluorescence enzymatic assays helped to investigate the action of the propofol derivatives on the peroxidase and chlorination activities of MPO. In addition, using SIEFED (Specific Immunological Extraction Followed by Enzyme Detection) assays and docking, we demonstrated the concentration-dependent inhibitory action of PPFQ and its ability to bind to the enzyme active site while PPFG presented a much weaker inhibitory action. Overall, the oxidation derivatives and metabolites PPFQ and PPFDQ can, at physiological concentrations, perpetuate the immunomodulatory action of propofol by acting on the oxidant response of PMN and MPO.
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Affiliation(s)
- Pauline Nyssen
- Biomedical Spectroscopy Laboratory, Department of Physics, CESAM, University of Liège, Building B5a, Quartier Agora, Allée Du 6 Août, 19, 4000 Liège (Sart-Tilman), Belgium.
| | - Thierry Franck
- CORD, Department of Chemistry, CIRM, University of Liège, Building B6a, Quartier Agora, Allée Du 6 Août, 13, 4000 Liège (Sart-Tilman), Belgium
| | - Didier Serteyn
- CORD, Department of Chemistry, CIRM, University of Liège, Building B6a, Quartier Agora, Allée Du 6 Août, 13, 4000 Liège (Sart-Tilman), Belgium; Department of Clinical Sciences, Anesthesiology and Equine Surgery, Faculty of Veterinary Medicine, University of Liège, Building B41, Quartier Vallée 2, Avenue de Cureghem 5, 4000 Liège (Sart-Tilman), Belgium
| | - Ange Mouithys-Mickalad
- CORD, Department of Chemistry, CIRM, University of Liège, Building B6a, Quartier Agora, Allée Du 6 Août, 13, 4000 Liège (Sart-Tilman), Belgium
| | - Maryse Hoebeke
- Biomedical Spectroscopy Laboratory, Department of Physics, CESAM, University of Liège, Building B5a, Quartier Agora, Allée Du 6 Août, 19, 4000 Liège (Sart-Tilman), Belgium
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van der Vegt SA, Wang YJ, Polonchuk L, Wang K, Waters SL, Baker RE. A model-informed approach to assess the risk of immune checkpoint inhibitor-induced autoimmune myocarditis. Front Pharmacol 2022; 13:966180. [PMID: 36249751 PMCID: PMC9555336 DOI: 10.3389/fphar.2022.966180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022] Open
Abstract
Immune checkpoint inhibitors (ICIs), as a novel immunotherapy, are designed to modulate the immune system to attack malignancies. Despite their promising benefits, immune-related adverse events (IRAEs) may occur, and incidences are bound to increase with surging demand of this class of drugs in treating cancer. Myocarditis, although rare compared to other IRAEs, has a significantly higher fatal frequency. Due to the overwhelming complexity of the immune system, this condition is not well understood, despite the significant research efforts devoted to it. To better understand the development and progression of autoimmune myocarditis and the roles of ICIs therein, we suggest a new approach: mathematical modelling. Mathematical modelling of myocarditis has enormous potential to determine which parts of the immune system are critical to the development and progression of the disease, and therefore warrant further investigation. We provide the immunological background needed to develop a mathematical model of this disease and review relevant existing models of immunology that serve as the mathematical inspiration needed to develop this field.
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Affiliation(s)
- Solveig A. van der Vegt
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, United Kingdom
- *Correspondence: Solveig A. van der Vegt,
| | - Ying-Jie Wang
- Department of Cardiovascular Medicine, Radcliffe Department of Medicine, Wellcome Centre of Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Liudmila Polonchuk
- Pharmaceutical Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Ken Wang
- Pharmaceutical Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland
| | - Sarah L. Waters
- Oxford Centre for Industrial and Applied Mathematics, Mathematical Institute, University of Oxford, Oxford, United Kingdom
| | - Ruth E. Baker
- Wolfson Centre for Mathematical Biology, Mathematical Institute, University of Oxford, Oxford, United Kingdom
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Xu S, Chen Z, Ge L, Ma C, He Q, Liu W, Zhang L, Zhou L. Identification of potential biomarkers and pathogenesis in neutrophil-predominant severe asthma: A comprehensive bioinformatics analysis. Medicine (Baltimore) 2022; 101:e30661. [PMID: 36197221 PMCID: PMC9509178 DOI: 10.1097/md.0000000000030661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Airway neutrophilia has been associated with asthma severity and asthma exacerbations. This study attempted to identify biomarkers, pathogenesis, and therapeutic molecular targets for severe asthma in neutrophils using bioinformatics analysis. METHODS Fifteen healthy controls and 3 patients with neutrophilic severe asthma were screened from the Gene Expression Omnibus (GEO) database. Based on the analysis of differentially expressed genes (DEGs), functional and pathway enrichment analyses, gene set enrichment analysis, protein-protein interaction network construction, and analysis were performed. Moreover, small-molecule drug candidates have also been identified. RESULTS Three hundred and three upregulated and 59 downregulated genes were identified. Gene ontology function enrichment analyses were primarily related to inflammatory response, immune response, leukocyte migration, neutrophil chemotaxis, mitogen-activated protein kinase cascade, Jun N-terminal kinase cascade, I-kappaB kinase/nuclear factor-κB, and MyD88-dependent toll-like receptor signaling pathway. Pathway enrichment analyses and gene set enrichment analysis were mainly involved in cytokine-cytokine receptor interaction, the TNF signaling pathway, leukocyte transendothelial migration, and the NOD-like receptor signaling pathway. Furthermore, 1 important module and 10 hub genes (CXCL8, TLR2, CXCL1, ICAM1, CXCR4, FPR2, SELL, PTEN, TREM1, and LEP) were identified in the protein-protein interaction network. Moreover, indoprofen, mimosine, STOCK1N-35874, trapidil, iloprost, aminoglutethimide, ajmaline, levobunolol, ethionamide, cefaclor, dimenhydrinate, and bethanechol are potential drugs for the treatment of neutrophil-predominant severe asthma. CONCLUSION This study identified potential biomarkers, pathogenesis, and therapeutic molecular targets for neutrophil-predominant severe asthma.
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Affiliation(s)
- Shuanglan Xu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zi Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Linyang Ge
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chenhui Ma
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Quan He
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Weihua Liu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Liuchao Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Linfu Zhou
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
- Institute of Integrative Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
- *Correspondence: Linfu Zhou, Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029, China (e-mail: )
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Peng S, Stojkov D, Gao J, Oberson K, Latzin P, Casaulta C, Yousefi S, Simon HU. Nascent RHOH acts as a molecular brake on actomyosin-mediated effector functions of inflammatory neutrophils. PLoS Biol 2022; 20:e3001794. [PMID: 36108062 PMCID: PMC9514642 DOI: 10.1371/journal.pbio.3001794] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 09/27/2022] [Accepted: 08/11/2022] [Indexed: 12/22/2022] Open
Abstract
In contrast to molecular changes associated with increased inflammatory responses, little is known about intracellular counter-regulatory mechanisms that control signaling cascades associated with functional responses of neutrophils. Active RHO GTPases are typically considered as effector proteins that elicit cellular responses. Strikingly, we show here that RHOH, although being constitutively GTP-bound, limits neutrophil degranulation and the formation of neutrophil extracellular traps (NETs). Mechanistically, RHOH is induced under inflammatory conditions and binds to non-muscle myosin heavy chain IIA (NMHC IIA) in activated neutrophils in order to inhibit the transport of mitochondria and granules along actin filaments, which is partially reverted upon disruption of the interaction with NMHC IIA by introducing a mutation in RhoH at lysine 34 (RhoHK34A). In parallel, RHOH inhibits actin polymerization presumably by modulating RAC1 activity. In vivo studies using Rhoh-/- mice, demonstrate an increased antibacterial defense capability against Escherichia coli (E. coli). Collectively, our data reveal a previously undefined role of RHOH as a molecular brake for actomyosin-mediated neutrophil effector functions, which represents an intracellular regulatory axis involved in controlling the strength of an antibacterial inflammatory response.
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Affiliation(s)
- Shuang Peng
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Darko Stojkov
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Jian Gao
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Biotechnology and Pharmaceutical Sciences, School of Life Sciences, Nanjing University, Nanjing, China
| | - Kevin Oberson
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Philipp Latzin
- Division of Respiratory Medicine, Department of Pediatrics, University Children’s Hospital of Bern, University of Bern, Bern, Switzerland
| | - Carmen Casaulta
- Division of Respiratory Medicine, Department of Pediatrics, University Children’s Hospital of Bern, University of Bern, Bern, Switzerland
| | - Shida Yousefi
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland
- Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia
- Laboratory of Molecular Immunology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
- Institute of Biochemistry, Brandenburg Medical School, Neuruppin, Germany
- * E-mail:
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170
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Zhang H, Li Z, He Q. Medical Swimming Cellbots. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202200094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Hongyue Zhang
- Laboratory for Space Environment and Physical Sciences Harbin Institute of Technology Harbin 150001 China
| | - Zesheng Li
- Laboratory for Space Environment and Physical Sciences Harbin Institute of Technology Harbin 150001 China
| | - Qiang He
- School of Medicine and Health Harbin Institute of Technology Harbin 150001 China
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171
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Dong X, Limjunyawong N, Sypek EI, Wang G, Ortines RV, Youn C, Alphonse MP, Dikeman D, Wang Y, Lay M, Kothari R, Vasavda C, Pundir P, Goff L, Miller LS, Lu W, Garza LA, Kim BS, Archer NK, Dong X. Keratinocyte-derived defensins activate neutrophil-specific receptors Mrgpra2a/b to prevent skin dysbiosis and bacterial infection. Immunity 2022; 55:1645-1662.e7. [PMID: 35882236 PMCID: PMC9474599 DOI: 10.1016/j.immuni.2022.06.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 04/19/2022] [Accepted: 06/24/2022] [Indexed: 11/20/2022]
Abstract
Healthy skin maintains a diverse microbiome and a potent immune system to fight off infections. Here, we discovered that the epithelial-cell-derived antimicrobial peptides defensins activated orphan G-protein-coupled receptors (GPCRs) Mrgpra2a/b on neutrophils. This signaling axis was required for effective neutrophil-mediated skin immunity and microbiome homeostasis. We generated mutant mouse lines lacking the entire Defensin (Def) gene cluster in keratinocytes or Mrgpra2a/b. Def and Mrgpra2 mutant animals both exhibited skin dysbiosis, with reduced microbial diversity and expansion of Staphylococcus species. Defensins and Mrgpra2 were critical for combating S. aureus infections and the formation of neutrophil abscesses, a hallmark of antibacterial immunity. Activation of Mrgpra2 by defensin triggered neutrophil release of IL-1β and CXCL2 which are vital for proper amplification and propagation of the antibacterial immune response. This study demonstrated the importance of epithelial-neutrophil signaling via the defensin-Mrgpra2 axis in maintaining healthy skin ecology and promoting antibacterial host defense.
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Affiliation(s)
- Xintong Dong
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Nathachit Limjunyawong
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Elizabeth I Sypek
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Gaofeng Wang
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Roger V Ortines
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Christine Youn
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Martin P Alphonse
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Dustin Dikeman
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yu Wang
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mark Lay
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ruchita Kothari
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Chirag Vasavda
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Priyanka Pundir
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Loyal Goff
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Lloyd S Miller
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Wuyuan Lu
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Luis A Garza
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Brian S Kim
- Kimberly and Eric J. Waldman Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nathan K Archer
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Xinzhong Dong
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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172
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Morris G, Gevezova M, Sarafian V, Maes M. Redox regulation of the immune response. Cell Mol Immunol 2022; 19:1079-1101. [PMID: 36056148 PMCID: PMC9508259 DOI: 10.1038/s41423-022-00902-0] [Citation(s) in RCA: 100] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/29/2022] [Indexed: 12/20/2022] Open
Abstract
AbstractThe immune-inflammatory response is associated with increased nitro-oxidative stress. The aim of this mechanistic review is to examine: (a) the role of redox-sensitive transcription factors and enzymes, ROS/RNS production, and the activity of cellular antioxidants in the activation and performance of macrophages, dendritic cells, neutrophils, T-cells, B-cells, and natural killer cells; (b) the involvement of high-density lipoprotein (HDL), apolipoprotein A1 (ApoA1), paraoxonase-1 (PON1), and oxidized phospholipids in regulating the immune response; and (c) the detrimental effects of hypernitrosylation and chronic nitro-oxidative stress on the immune response. The redox changes during immune-inflammatory responses are orchestrated by the actions of nuclear factor-κB, HIF1α, the mechanistic target of rapamycin, the phosphatidylinositol 3-kinase/protein kinase B signaling pathway, mitogen-activated protein kinases, 5' AMP-activated protein kinase, and peroxisome proliferator-activated receptor. The performance and survival of individual immune cells is under redox control and depends on intracellular and extracellular levels of ROS/RNS. They are heavily influenced by cellular antioxidants including the glutathione and thioredoxin systems, nuclear factor erythroid 2-related factor 2, and the HDL/ApoA1/PON1 complex. Chronic nitro-oxidative stress and hypernitrosylation inhibit the activity of those antioxidant systems, the tricarboxylic acid cycle, mitochondrial functions, and the metabolism of immune cells. In conclusion, redox-associated mechanisms modulate metabolic reprogramming of immune cells, macrophage and T helper cell polarization, phagocytosis, production of pro- versus anti-inflammatory cytokines, immune training and tolerance, chemotaxis, pathogen sensing, antiviral and antibacterial effects, Toll-like receptor activity, and endotoxin tolerance.
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173
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Alakesh A, Jothiprakasam T, Raghavan JV, Jhunjhunwala S. Sterile inflammation alters neutrophil kinetics in mice. J Leukoc Biol 2022; 112:395-409. [PMID: 35172385 PMCID: PMC7616002 DOI: 10.1002/jlb.1a0321-132rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Neutrophils play a crucial role in establishing inflammation in response to an infection or injury, but their production rates, as well as blood and tissue residence times, remain poorly characterized under these conditions. Herein, using a biomaterial implant model to establish inflammation followed by in vivo tracking of newly formed neutrophils, we determine neutrophil kinetics under inflammatory conditions. To obtain quantifiable information from our experimental observations, we develop an ordinary differential equation-based mathematical model to extract kinetic parameters. Our data show that in the presence of inflammation resulting in emergency granulopoiesis-like conditions, neutrophil maturation time in the bone marrow reduces by around 60% and reduced half-life in the blood, compared with noninflammatory conditions. Additionally, neutrophil residence time at the inflammatory site increases by 2-fold. Together, these data improve our understanding of neutrophil kinetics under inflammatory conditions, which could pave the way for therapies that focus on modulating in vivo neutrophil dynamics.
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Affiliation(s)
- Alakesh Alakesh
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India – 560012
| | | | - Jayashree V. Raghavan
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India – 560012
| | - Siddharth Jhunjhunwala
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India – 560012
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174
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Yang L, Peng J, Shi A, Wang X, Li J, Su Y, Yin K, Zhao L, Zhao Y. Myocardium-Targeted Micelle Nanomedicine That Salvages the Heart from Ischemia/Reperfusion Injury. ACS APPLIED MATERIALS & INTERFACES 2022; 14:38562-38574. [PMID: 35973832 DOI: 10.1021/acsami.2c11117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cardioprotective medication is the common treatment to relieve myocardial ischemia/reperfusion (I/R) injury. However, limited by the low bioavailability of therapeutic drugs, the therapeutic outcome is barely satisfactory. Because the I/R injury can enhance the permeability of the vasculature and allow the extravasation of nanoparticles into the surrounding tissue, herein we formulate the cardiotonic drug olprinone (Olp) in cross-linked micelles as the nanomedicine to achieve myocardium-targeted delivery after systematic administration. As a result, the local concentration of Olp in the injured myocardium is raised by orders of magnitude with prolonged drug duration time. The treatment successfully preserves the pumping efficiency of the heart, alleviates ventricular remodeling, and thus stops the positive feedback loop for the deteriorated cardiac function. Consequently, the myocardium-targeted nanomedicine significantly salvages the heart from I/R injury before irreversible pathological changes take place.
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Affiliation(s)
- Liqiang Yang
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Juanjuan Peng
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Aiping Shi
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Xueshen Wang
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Junyao Li
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Yaoquan Su
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Kunpeng Yin
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Lingzhi Zhao
- State Key Laboratory of Natural Medicine, The School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Yanli Zhao
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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175
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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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176
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Zhu CL, Wang Y, Liu Q, Li HR, Yu CM, Li P, Deng XM, Wang JF. Dysregulation of neutrophil death in sepsis. Front Immunol 2022; 13:963955. [PMID: 36059483 PMCID: PMC9434116 DOI: 10.3389/fimmu.2022.963955] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
Sepsis is a prevalent disease that has alarmingly high mortality rates and, for several survivors, long-term morbidity. The modern definition of sepsis is an aberrant host response to infection followed by a life-threatening organ dysfunction. Sepsis has a complicated pathophysiology and involves multiple immune and non-immune mediators. It is now believed that in the initial stages of sepsis, excessive immune system activation and cascading inflammation are usually accompanied by immunosuppression. During the pathophysiology of severe sepsis, neutrophils are crucial. Recent researches have demonstrated a clear link between the process of neutrophil cell death and the emergence of organ dysfunction in sepsis. During sepsis, spontaneous apoptosis of neutrophils is inhibited and neutrophils may undergo some other types of cell death. In this review, we describe various types of neutrophil cell death, including necrosis, apoptosis, necroptosis, pyroptosis, NETosis, and autophagy, to reveal their known effects in the development and progression of sepsis. However, the exact role and mechanisms of neutrophil cell death in sepsis have not been fully elucidated, and this remains a major challenge for future neutrophil research. We hope that this review will provide hints for researches regarding neutrophil cell death in sepsis and provide insights for clinical practitioners.
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177
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Sim TM, Mak A, Tay SH. Insights into the role of neutrophils in neuropsychiatric systemic lupus erythematosus: Current understanding and future directions. Front Immunol 2022; 13:957303. [PMID: 36016935 PMCID: PMC9396336 DOI: 10.3389/fimmu.2022.957303] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/19/2022] [Indexed: 12/12/2022] Open
Abstract
Central nervous system (CNS) involvement of systemic lupus erythematosus (SLE), termed neuropsychiatric SLE (NPSLE), is a major and debilitating manifestation of the disease. While patients with SLE mostly complain of common neuropsychological symptoms such headache and mild mood disorders that may not even be technically attributed to SLE, many SLE patients present with life-threatening NPSLE syndromes such as cerebrovascular disease, seizures and psychosis that are equally challenging in terms of early diagnosis and therapy. While we are just beginning to unravel some mysteries behind the immunologic basis of NPSLE, advancements in the mechanistic understanding of the complex pathogenic processes of NPSLE have been emerging through recent murine and human studies. The pathogenic pathways implicated in NPSLE are multifarious and various immune effectors such as cell-mediated inflammation, autoantibodies and cytokines including type I interferons have been found to act in concert with the disruption of the blood-brain barrier (BBB) and other neurovascular interfaces. Beyond antimicrobial functions, neutrophils are emerging as decision-shapers during innate and adaptive immune responses. Activated neutrophils have been recognized to be involved in ischemic and infective processes in the CNS by releasing neutrophil extracellular traps (NETs), matrix metalloproteinase-9 and proinflammatory cytokines. In the context of NPSLE, these mechanisms contribute to BBB disruption, neuroinflammation and externalization of modified proteins on NETs that serve as autoantigens. Neutrophils that sediment within the peripheral blood mononuclear cell fraction after density centrifugation of blood are generally defined as low-density neutrophils (LDNs) or low-density granulocytes. LDNs are a proinflammatory subset of neutrophils that are increased with SLE disease activity and are primed to undergo NETosis and release cytokines such as interferon-α and tumor necrosis factor. This review discusses the immunopathogenesis of NPSLE with a focus on neutrophils as a core mediator of the disease and potential target for translational research in NPSLE.
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178
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Neutrophils restrain sepsis associated coagulopathy via extracellular vesicles carrying superoxide dismutase 2 in a murine model of lipopolysaccharide induced sepsis. Nat Commun 2022; 13:4583. [PMID: 35933512 PMCID: PMC9357088 DOI: 10.1038/s41467-022-32325-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 07/26/2022] [Indexed: 11/09/2022] Open
Abstract
Disseminated intravascular coagulation (DIC) is a complication of sepsis currently lacking effective therapeutic options. Excessive inflammatory responses are emerging triggers of coagulopathy during sepsis, but the interplay between the immune system and coagulation are not fully understood. Here we utilize a murine model of intraperitoneal lipopolysaccharide stimulation and show neutrophils in the circulation mitigate the occurrence of DIC, preventing subsequent septic death. We show circulating neutrophils release extracellular vesicles containing mitochondria, which contain superoxide dismutase 2 upon exposure to lipopolysaccharide. Extracellular superoxide dismutase 2 is necessary to induce neutrophils' antithrombotic function by preventing endothelial reactive oxygen species accumulation and alleviating endothelial dysfunction. Intervening endothelial reactive oxygen species accumulation by antioxidants significantly ameliorates disseminated intravascular coagulation improving survival in this murine model of lipopolysaccharide challenge. These findings reveal an interaction between neutrophils and vascular endothelium which critically regulate coagulation in a model of sepsis and may have potential implications for the management of disseminated intravascular coagulation.
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179
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Ouyang Y, Liu J, Wen S, Xu Y, Zhang Z, Pi Y, Chen D, Su Z, Liang Z, Wang Y, Guo L. Association between chronic obstructive pulmonary disease and periodontitis: The common role of innate immune cells? Cytokine 2022; 158:155982. [PMID: 35932499 DOI: 10.1016/j.cyto.2022.155982] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 07/14/2022] [Accepted: 07/25/2022] [Indexed: 11/19/2022]
Abstract
Innate immune cells are of broad interest in a variety of diseases. These cells include neutrophils, macrophages, dendritic cells and mast cells, etc. Innate immune cells are often mentioned in inflammatory diseases as the first line of defense against pathogens' invasion. As chronic obstructive pulmonary disease and periodontitis are inflammatory diseases, innate immune cells play an important role in the development of both diseases. COPD and periodontitis are common epidemic diseases with a very high prevalence, thus affecting a large number of people and also reducing the quality of life of patients. In addition, epidemiological studies suggested a link between the two, creating a co-morbid burden, but the mechanism of the link is yet to be explained. This article discusses the possible mechanism of the link between the two diseases in terms of innate immune cells and discusses possible future targeted therapies that could alleviate the burden on patients.
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Affiliation(s)
- Yuanting Ouyang
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Jiaohong Liu
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Siyi Wen
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Yixin Xu
- Department of Orthodontic, Stomatological Hospital, Southern Medical University, China
| | - Zhiyi Zhang
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Yixing Pi
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Ding Chen
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Zhikang Su
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Zitian Liang
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
| | - Yan Wang
- Guangzhou Medical University, Guangzhou, Guangdong, China; Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Diseases, Guangzhou, Guangdong, China.
| | - Lvhua Guo
- Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China.
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180
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Wolf A, Khimani F, Yoon B, Gerhart C, Endsley D, Ray AK, Yango AF, Flynn SD, Lip GYH, Gonzalez SA, Sathyamoorthy M. The mechanistic basis linking cytokine storm to thrombosis in COVID-19. THROMBOSIS UPDATE 2022; 8:100110. [PMID: 38620974 PMCID: PMC9116969 DOI: 10.1016/j.tru.2022.100110] [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: 02/01/2022] [Revised: 04/26/2022] [Accepted: 05/09/2022] [Indexed: 12/15/2022] Open
Abstract
It is now well established that infection with SARS-CoV-2 resulting in COVID-19 disease includes a severely symptomatic subset of patients in whom an aggressive and/or dysregulated host immune response leads to cytokine storm syndrome (CSS) that may be further complicated by thrombotic events, contributing to the severe morbidity and mortality observed in COVID-19. This review provides a brief overview of cytokine storm in COVID-19, and then presents a mechanistic discussion of how cytokine storm affects integrated pathways in thrombosis involving the endothelium, platelets, the coagulation cascade, eicosanoids, auto-antibody mediated thrombosis, and the fibrinolytic system.
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Affiliation(s)
- Adam Wolf
- Sathyamoorthy Laboratory, TCU School of Medicine, Fort Worth, TX, United States
- TCU School of Medicine, Fort Worth, TX, United States
| | - Faria Khimani
- Sathyamoorthy Laboratory, TCU School of Medicine, Fort Worth, TX, United States
- TCU School of Medicine, Fort Worth, TX, United States
| | - Braian Yoon
- Sathyamoorthy Laboratory, TCU School of Medicine, Fort Worth, TX, United States
- TCU School of Medicine, Fort Worth, TX, United States
| | - Coltin Gerhart
- Sathyamoorthy Laboratory, TCU School of Medicine, Fort Worth, TX, United States
- TCU School of Medicine, Fort Worth, TX, United States
| | - Dakota Endsley
- Sathyamoorthy Laboratory, TCU School of Medicine, Fort Worth, TX, United States
- TCU School of Medicine, Fort Worth, TX, United States
| | - Anish K Ray
- Cook Children's Medical Center, Fort Worth, TX, United States
- Department of Pediatrics, TCU School of Medicine, Fort Worth, TX, United States
| | - Angelito F Yango
- Department of Medicine, TCU School of Medicine, Fort Worth, TX, United States
- Annette C. and Harold C. Simmons Transplant Institute, Baylor All Saints Medical Center, Fort Worth, TX, USA
| | | | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom
- Department of Clinical Medicine, Aalborg, Denmark
| | - Stevan A Gonzalez
- Department of Medicine, TCU School of Medicine, Fort Worth, TX, United States
- Annette C. and Harold C. Simmons Transplant Institute, Baylor All Saints Medical Center, Fort Worth, TX, USA
| | - Mohanakrishnan Sathyamoorthy
- Sathyamoorthy Laboratory, TCU School of Medicine, Fort Worth, TX, United States
- Department of Medicine, TCU School of Medicine, Fort Worth, TX, United States
- Consultants in Cardiovascular Medicine and Science - Fort Worth, PLLC, Fort Worth, TX, United States
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181
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Shukla S, Cho W, Elbasiony E, Singh RB, Mittal SK, Chauhan SK. Non-immune and immune functions of interleukin-36γ suppress epithelial repair at the ocular surface. FASEB J 2022; 36:10.1096/fj.202200174RR. [PMID: 35781326 PMCID: PMC9924024 DOI: 10.1096/fj.202200174rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/16/2022] [Accepted: 06/03/2022] [Indexed: 02/05/2023]
Abstract
Regulation of innate inflammation is critical for maintaining tissue homeostasis and barrier function, especially in those interfacing the external environments such as the skin and cornea. Expression of pro-inflammatory cytokines by injured tissues has been shown to exacerbate the inflammatory cascade, causing tissue damage. Interleukin 36, a subfamily of the IL-1 superfamily, consists of three pro-inflammatory agonists-IL36α, IL36β, and IL36γ and an IL36 receptor antagonist (IL36Ra). The current investigation, for the first time, reports that IL36γ is the primary agonist expressed by the corneal epithelium, which is significantly upregulated following corneal injury. The function of IL36γ on non-immune cells, in addition to innate inflammatory cells, in regulating tissue homeostasis has not been well investigated. Using a loss-of-function approach via neutralizing antibody treatment, our data demonstrate that blocking endogenously expressed IL36γ in epithelial cells promotes rapid re-epithelialization in in vitro wound closure assay. Finally, by utilizing a naturally occurring antagonist IL36Ra in a well-established murine model of ocular injury, our study demonstrates that inhibition of IL36γ accelerates epithelial regeneration and suppresses tissue inflammation. Given rapid wound healing is critical for re-establishing normal tissue structure and function, our investigation on the function of IL36γ provides evidence for the development of novel IL36γ-targeting strategies to promote tissue repair.
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Affiliation(s)
- Sachin Shukla
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
- L.V. Prasad Eye Institute, Hyderabad, India
| | - WonKyung Cho
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
| | - Elsayed Elbasiony
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
| | - Rohan Bir Singh
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
| | - Sharad K. Mittal
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
| | - Sunil K. Chauhan
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
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182
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Zhao J, Chen W, Zhang Y, Liu Q, Yang D, Wang Z. Bacterial infection induces pyroptotic signaling-mediated neutrophil extracellular traps (NETs) formation in turbot (Scophthalmus maximus). FISH & SHELLFISH IMMUNOLOGY 2022; 127:982-990. [PMID: 35870743 DOI: 10.1016/j.fsi.2022.07.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Neutrophils can capture and kill pathogens by releasing neutrophils extracellular traps (NETs), which play critical roles in anti-microbial infection in mammals; however, the mechanisms involved in NETs formation and its role in anti-bacterial infection in teleost fish remains largely unknown. In this study, to explore the function of NETs in turbot, we established an in vitro bacterial infection model in head kidney derived neutrophils, and found that the haemolysin over-expressed Edwardsiella piscicida (ethA+) could induce a robust phenotype of NETs, compared with that in wild type or ethA mutant (ethA+ -ΔethA) strains. Besides, the NETosis was mediated by ethA+ -induced pyroptosis, and arms the ability of bacterial killing in neutrophils of turbot. Moreover, we found that neutrophils elastase (NE) might involves in this pyroptotic signaling, rather than inflammatory Smcaspase. Taken together, this study reveals the important role of pyroptosis in NETs formation in turbot neutrophils, suggesting that NETs formation is a critical immune response during bacterial infection in teleost fish.
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Affiliation(s)
- Jingjing Zhao
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Weijie Chen
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Yuanxing Zhang
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China; Shanghai Engineering Research Center of Maricultured Animal Vaccines, Shanghai, 200237, China
| | - Qin Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China; Shanghai Engineering Research Center of Maricultured Animal Vaccines, Shanghai, 200237, China
| | - Dahai Yang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China; Shanghai Engineering Research Center of Maricultured Animal Vaccines, Shanghai, 200237, China
| | - Zhuang Wang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China.
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183
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Chalise U, Becirovic-Agic M, Konfrst SR, Rodriguez-Paar JR, Cook LM, Lindsey ML. MMP-12 polarizes neutrophil signalome towards an apoptotic signature. J Proteomics 2022; 264:104636. [PMID: 35661763 DOI: 10.1016/j.jprot.2022.104636] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/19/2022] [Accepted: 05/24/2022] [Indexed: 11/18/2022]
Abstract
While macrophages are well-known to polarize across the inflammatory spectrum, neutrophils have only recently been found to activate in a similar fashion in response to pro- or anti-inflammatory stimuli. Matrix metalloproteinase (MMP)-12 mediates neutrophil physiology with direct signaling mechanisms yet to be investigated. We hypothesized MMP-12 may modify neutrophil signaling. Bone marrow neutrophils were stimulated with interleukin (IL-1β; pro-inflammatory), IL-4 (anti-inflammatory), or MMP-12. The secretome was mapped by multi-analyte profiling and intracellular signaling evaluated by array. IL-1β induced a cytokine-mediated inflammatory LPS-like signalome, with upregulation of pro-inflammatory cytokines such as interferon gamma (IFNγ,15.2-fold,p = 0.001), chemokine (C-X-C motif) ligand 1 (CXCL1,8.4-fold,p = 0.005), and tumor necrosis factor alpha (TNFα,11.2-fold,p = 0.004). IL-4 induced strong intracellular signaling with upregulation of mitogen-activated protein kinase kinase (MEK1;1.9-fold,p = 0.0005) and downregulation of signal transducer and activator of transcription 4 (STAT4;0.77-fold,0.001). MMP-12 increased IL-4 secretion 20-fold and induced a robust apoptotic neutrophil signalome with upregulation of forkhead box O1 (FOXO1;1.4-fold,p < 0.0001) and downregulation of WNT signaling with MMP-12 cleavage of the adherens junction components β-catenin, cahderin-3, and catenin-α2. In conclusion, neutrophils shifted phenotype by stimuli, with MMP-12 inducing a unique apoptotic signalome with higher resemblance to the anti-inflammatory signalome. SIGNIFICANCE: This study revealed that neutrophils demonstrate unique polarization signaling responses to specific stimuli, with the matrix metalloproteinase (MMP)-12 signalome showing similarity to the IL-4 signalome. MMP-12 polarized neutrophils towards a strong apoptotic signature by upregulating FOXO1 and downregulating WNT signaling. Our results highlight that neutrophils display more plasticity than previously appreciated.
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Affiliation(s)
- Upendra Chalise
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, NE 68198, United States of America; Research Service, Nebraska-Western Iowa Health Care System, Omaha, NE 68105, United States of America
| | - Mediha Becirovic-Agic
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, NE 68198, United States of America; Research Service, Nebraska-Western Iowa Health Care System, Omaha, NE 68105, United States of America
| | - Shelby R Konfrst
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, NE 68198, United States of America; Research Service, Nebraska-Western Iowa Health Care System, Omaha, NE 68105, United States of America
| | - Jocelyn R Rodriguez-Paar
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, NE 68198, United States of America; Research Service, Nebraska-Western Iowa Health Care System, Omaha, NE 68105, United States of America
| | - Leah M Cook
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, United States of America
| | - Merry L Lindsey
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, NE 68198, United States of America; Research Service, Nebraska-Western Iowa Health Care System, Omaha, NE 68105, United States of America.
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184
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Zhang Z, Liu X, Chen D, Yu J. Radiotherapy combined with immunotherapy: the dawn of cancer treatment. Signal Transduct Target Ther 2022; 7:258. [PMID: 35906199 PMCID: PMC9338328 DOI: 10.1038/s41392-022-01102-y] [Citation(s) in RCA: 146] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/19/2022] [Accepted: 06/30/2022] [Indexed: 11/09/2022] Open
Abstract
Radiotherapy (RT) is delivered for purposes of local control, but can also exert systemic effect on remote and non-irradiated tumor deposits, which is called abscopal effect. The view of RT as a simple local treatment has dramatically changed in recent years, and it is now widely accepted that RT can provoke a systemic immune response which gives a strong rationale for the combination of RT and immunotherapy (iRT). Nevertheless, several points remain to be addressed such as the interaction of RT and immune system, the identification of the best schedules for combination with immunotherapy (IO), the expansion of abscopal effect and the mechanism to amplify iRT. To answer these crucial questions, we roundly summarize underlying rationale showing the whole immune landscape in RT and clinical trials to attempt to identify the best schedules of iRT. In consideration of the rarity of abscopal effect, we propose that the occurrence of abscopal effect induced by radiation can be promoted to 100% in view of molecular and genetic level. Furthermore, the “radscopal effect” which refers to using low-dose radiation to reprogram the tumor microenvironment may amplify the occurrence of abscopal effect and overcome the resistance of iRT. Taken together, RT could be regarded as a trigger of systemic antitumor immune response, and with the help of IO can be used as a radical and systemic treatment and be added into current standard regimen of patients with metastatic cancer.
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Affiliation(s)
- Zengfu Zhang
- Department of Radiation Oncology, Shandong University Cancer Center, Yantai Road, No. 2999, Jinan, Shandong, China
| | - Xu Liu
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jiyan Road, No. 440, Jinan, Shandong, China
| | - Dawei Chen
- Department of Radiation Oncology, Shandong University Cancer Center, Yantai Road, No. 2999, Jinan, Shandong, China.
| | - Jinming Yu
- Department of Radiation Oncology, Shandong University Cancer Center, Yantai Road, No. 2999, Jinan, Shandong, China.
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185
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Gil E, Venturini C, Stirling D, Turner C, Tezera LB, Ercoli G, Baker T, Best K, Brown JS, Noursadeghi M. Pericyte derived chemokines amplify neutrophil recruitment across the cerebrovascular endothelial barrier. Front Immunol 2022; 13:935798. [PMID: 35967327 PMCID: PMC9371542 DOI: 10.3389/fimmu.2022.935798] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/07/2022] [Indexed: 11/13/2022] Open
Abstract
Excessive neutrophil extravasation can drive immunopathology, exemplified in pyogenic meningitis caused by Streptococcus pneumoniae infection. Insufficient knowledge of the mechanisms that amplify neutrophil extravasation has limited innovation in therapeutic targeting of neutrophil mediated pathology. Attention has focussed on neutrophil interactions with endothelia, but data from mouse models also point to a role for the underlying pericyte layer, as well as perivascular macrophages, the only other cell type found within the perivascular space in the cerebral microvasculature. We tested the hypothesis that human brain vascular pericytes (HBVP) contribute to neutrophil extravasation in a transwell model of the cerebral post-capillary venule. We show that pericytes augment endothelial barrier formation. In response to inflammatory cues, they significantly enhance neutrophil transmigration across the endothelial barrier, without increasing the permeability to small molecules. In our model, neither pericytes nor endothelia responded directly to bacterial stimulation. Instead, we show that paracrine signalling by multiple cytokines from monocyte derived macrophages drives transcriptional upregulation of multiple neutrophil chemokines by pericytes. Pericyte mediated amplification of neutrophil transmigration was independent of transcriptional responses by endothelia, but could be mediated by direct chemokine translocation across the endothelial barrier. Our data support a model in which microbial sensing by perivascular macrophages generates an inflammatory cascade where pericytes serve to amplify production of neutrophil chemokines that are translocated across the endothelial barrier to act directly on circulating neutrophils. In view of the striking redundancy in inflammatory cytokines that stimulate pericytes and in the neutrophil chemokines they produce, we propose that the mechanism of chemokine translocation may offer the most effective therapeutic target to reduce neutrophil mediated pathology in pyogenic meningitis.
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Affiliation(s)
- Eliza Gil
- Division of Infection and Immunity, University College London, London, United Kingdom
| | - Cristina Venturini
- Infection, Immunity and Inflammation Department, Institute for Child Health, University College London, London, United Kingdom
| | - David Stirling
- Division of Infection and Immunity, University College London, London, United Kingdom
| | - Carolin Turner
- Division of Infection and Immunity, University College London, London, United Kingdom
| | - Liku B. Tezera
- Division of Infection and Immunity, University College London, London, United Kingdom
- NIHR Biomedical Research Center, School of Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Giuseppe Ercoli
- Centre for Inflammation and Tissue Repair, Division of Medicine, University College London, London, United Kingdom
| | - Tina Baker
- Division of Infection and Immunity, University College London, London, United Kingdom
| | - Katharine Best
- Division of Infection and Immunity, University College London, London, United Kingdom
| | - Jeremy S. Brown
- Centre for Inflammation and Tissue Repair, Division of Medicine, University College London, London, United Kingdom
| | - Mahdad Noursadeghi
- Division of Infection and Immunity, University College London, London, United Kingdom
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186
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Tumor-associated neutrophils and neutrophil-targeted cancer therapies. Biochim Biophys Acta Rev Cancer 2022; 1877:188762. [PMID: 35853517 DOI: 10.1016/j.bbcan.2022.188762] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/10/2022] [Accepted: 07/14/2022] [Indexed: 02/08/2023]
Abstract
Neutrophils are the frontline cells in response to microbial infections and are involved in a range of inflammatory disorders in the body. In recent years, neutrophils have gained considerable attention in their involvement of complex roles in tumor development and progression. Tumor-associated neutrophils (TANs) that accumulate in local region could be triggered by external stimuli from tumor microenvironment (TME) and switch between anti- and pro-tumor phenotypes. The anti-tumor neutrophils kill tumor cells through direct cytotoxic effects as well as indirect effects by activating adaptive immune responses. In contrast, the pro-tumor phenotype of neutrophils might be associated with cell proliferation, angiogenesis, and immunosuppression in TME. More recently, neutrophils have been proposed as a potential target in cancer therapy for their ability to diminish the pro-tumor pathways, such as by immune checkpoint blockade. This review discusses the complex roles of neutrophils in TME and highlights the strategies in neutrophil targeting in cancer treatment with a particular focus on the progresses of ongoing clinical trials involving neutrophil-targeted therapies.
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187
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Consalvo KM, Kirolos SA, Sestak CE, Gomer RH. Sex-Based Differences in Human Neutrophil Chemorepulsion. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:354-367. [PMID: 35793910 PMCID: PMC9283293 DOI: 10.4049/jimmunol.2101103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/02/2022] [Indexed: 05/25/2023]
Abstract
A considerable amount is known about how eukaryotic cells move toward an attractant, and the mechanisms are conserved from Dictyostelium discoideum to human neutrophils. Relatively little is known about chemorepulsion, where cells move away from a repellent signal. We previously identified pathways mediating chemorepulsion in Dictyostelium, and here we show that these pathways, including Ras, Rac, protein kinase C, PTEN, and ERK1 and 2, are required for human neutrophil chemorepulsion, and, as with Dictyostelium chemorepulsion, PI3K and phospholipase C are not necessary, suggesting that eukaryotic chemorepulsion mechanisms are conserved. Surprisingly, there were differences between male and female neutrophils. Inhibition of Rho-associated kinases or Cdc42 caused male neutrophils to be more repelled by a chemorepellent and female neutrophils to be attracted to the chemorepellent. In the presence of a chemorepellent, compared with male neutrophils, female neutrophils showed a reduced percentage of repelled neutrophils, greater persistence of movement, more adhesion, less accumulation of PI(3,4,5)P3, and less polymerization of actin. Five proteins associated with chemorepulsion pathways are differentially abundant, with three of the five showing sex dimorphism in protein localization in unstimulated male and female neutrophils. Together, this indicates a fundamental difference in a motility mechanism in the innate immune system in men and women.
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Affiliation(s)
| | - Sara A Kirolos
- Department of Biology, Texas A&M University, College Station, TX
| | - Chelsea E Sestak
- Department of Biology, Texas A&M University, College Station, TX
| | - Richard H Gomer
- Department of Biology, Texas A&M University, College Station, TX
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188
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Hong C, Lu H, Huang X, Chen M, Jin R, Dai X, Gong F, Dong H, Wang H, Gao XM. Neutrophils as regulators of macrophage-induced inflammation in a setting of allogeneic bone marrow transplantation. Stem Cell Reports 2022; 17:1561-1575. [PMID: 35777356 PMCID: PMC9287675 DOI: 10.1016/j.stemcr.2022.05.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 05/30/2022] [Accepted: 05/31/2022] [Indexed: 11/26/2022] Open
Abstract
Clinical data reveal that patients with allogeneic hematopoietic stem cell transplantation (HSCT) are vulnerable to infection and prone to developing severe sepsis, which greatly compromises the success of transplantation, indicating a dysregulation of inflammatory immune response in this clinical setting. Here, by using a mouse model of haploidentical bone marrow transplantation (haplo-BMT), we found that uncontrolled macrophage inflammation underlies the pathogenesis of both LPS- and E.coli-induced sepsis in recipient animals with graft-versus-host disease (GVHD). Deficient neutrophil maturation in GVHD mice post-haplo-BMT diminished modulation of macrophage-induced inflammation, which was mechanistically dependent on MMP9-mediated activation of TGF-β1. Accordingly, adoptive transfer of mature neutrophils purified from wild-type donor mice inhibited both sterile and infectious sepsis in GVHD mice post-haplo-BMT. Together, our findings identify a novel mature neutrophil-dependent regulation of macrophage inflammatory response in a haplo-BMT setting and provide useful clues for developing clinical strategies for patients suffering from post-HSCT sepsis. Macrophage inflammation leads to the development of post-haplo-BMT sepsis Impaired neutrophil maturation diminishes regulation of macrophage inflammation Extramedullary granulopoiesis fails to support neutrophil maturation after haplo-BMT Neutrophils regulate macrophage inflammation via MMP9-mediated TGF-β1 activation
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Affiliation(s)
- Chao Hong
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
| | - Hongyun Lu
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Xiaohong Huang
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Ming Chen
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Rong Jin
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Xiaoqiu Dai
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Fangyuan Gong
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Hongliang Dong
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Hongmin Wang
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Xiao-Ming Gao
- Institutes of Biology and Medical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
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189
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Davis CM, Zhang WH, Bah TM, Roese NE, Allen EM, Leung P, Boutros SJ, Marzulla T, Patel E, Nie X, Alkayed FN, Huang JH, Jensen MA, Raber J, Pike MM, Alkayed NJ. Age-dependent cognitive impairment, hydrocephalus and leukocyte infiltration in transgenic mice with endothelial expression of human EPHX2. NPJ AGING 2022; 8:9. [PMID: 35927273 PMCID: PMC9256583 DOI: 10.1038/s41514-022-00090-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 05/31/2022] [Indexed: 12/30/2022]
Abstract
Soluble epoxide hydrolase (sEH) is upregulated in microvascular endothelium of human brain with vascular cognitive impairment (VCI). Transgenic endothelial expression of human sEH in mice (Tie2hsEH) induces endothelial dysfunction (ED), a pathogenetic mechanism of VCI. We sought to determine if endothelial upregulation of sEH is sufficient to cause cognitive impairment, and if cognitive impairment due to chronic hypoperfusion induced by unilateral common carotid artery occlusion (CCAO) is exacerbated in Tie2hsEH mice. Behavioral performance was assessed by the open field, rotarod, novel object, Morris water maze and fear conditioning tests. Cerebral blood flow and brain morphology were evaluated by MRI, and inflammatory changes investigated using immunohistochemistry and flow cytometry. We demonstrate that transgenic endothelial expression of sEH is sufficient to induce cognitive impairment, associated with leukocyte infiltration, brain atrophy and accelerated, age-dependent ventriculomegaly, identifying ED and sEH upregulation as potential underlying mechanisms and therapeutic targets for VCI.
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Affiliation(s)
- Catherine M Davis
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Wenri H Zhang
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Thierno M Bah
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Natalie E Roese
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Elyse M Allen
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Philberta Leung
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Sydney J Boutros
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Tessa Marzulla
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Esha Patel
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Xiao Nie
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Farah N Alkayed
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Justin H Huang
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Michael A Jensen
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Jacob Raber
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, 97239, USA
- Departments of Neurology and Radiation Medicine, Division of Neuroscience, ONPRC, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Martin M Pike
- Advanced Imaging Research Center, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Nabil J Alkayed
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, 97239, USA.
- Knight Cardiovascular Institute, Oregon Health & Science University, Portland, OR, 97239, USA.
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190
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Jeong S, Kim B, Byun DJ, Jin S, Seo BS, Shin MH, Leem AY, Choung JJ, Park MS, Hyun YM. Lysophosphatidylcholine Alleviates Acute Lung Injury by Regulating Neutrophil Motility and Neutrophil Extracellular Trap Formation. Front Cell Dev Biol 2022; 10:941914. [PMID: 35859904 PMCID: PMC9289271 DOI: 10.3389/fcell.2022.941914] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/14/2022] [Indexed: 11/28/2022] Open
Abstract
Sepsis is predominantly initiated by bacterial infection and can cause systemic inflammation, which frequently leads to rapid death of the patient. However, this acute systemic inflammatory response requires further investigation from the perspectives of clinical judgment criteria and early treatment strategies for the relief of symptoms. Lysophosphatidylcholine (LPC) 18:0 may relieve septic symptoms, but the relevant mechanism is not clearly understood. Therefore, we aimed to assess the effectiveness of LPC as a therapeutic treatment for acute inflammation in the lung induced by lipopolysaccharide in mice. Systemic inflammation of mice was induced by lipopolysaccharide (LPS) inoculation to investigate the role of LPC in the migration and the immune response of neutrophils during acute lung injury. By employing two-photon intravital imaging of the LPS-stimulated LysM-GFP mice and other in vitro and in vivo assays, we examined whether LPC alleviates the inflammatory effect of sepsis. We also tested the effect of LPC to human neutrophils from healthy control and sepsis patients. Our data showed that LPC treatment reduced the infiltration of innate immune cells into the lung. Specifically, LPC altered neutrophil migratory patterns and enhanced phagocytic efficacy in the damaged lung. Moreover, LPC treatment reduced the release of neutrophil extracellular trap (NET), which can damage tissue in the inflamed organ and exacerbate disease. It also reduced human neutrophil migration under inflammatory environment. Our results suggest that LPC can alleviate sepsis-induced lung inflammation by regulating the function of neutrophils. These findings provide evidence for the beneficial application of LPC treatment as a potential therapeutic strategy for sepsis.
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Affiliation(s)
- Soi Jeong
- Department of Anatomy, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Bora Kim
- Department of Anatomy, Yonsei University College of Medicine, Seoul, South Korea
| | - Da Jeong Byun
- Department of Anatomy, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Sunmin Jin
- R&D Center, AriBio Co., Ltd., Sengnam, South Korea
| | - Bo Seung Seo
- R&D Center, AriBio Co., Ltd., Sengnam, South Korea
| | - Mi Hwa Shin
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Ah Young Leem
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | | | - Moo Suk Park
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
- *Correspondence: Moo Suk Park, ; Young-Min Hyun,
| | - Young-Min Hyun
- Department of Anatomy, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
- *Correspondence: Moo Suk Park, ; Young-Min Hyun,
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191
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Liu ML, Lyu X, Werth VP. Recent progress in the mechanistic understanding of NET formation in neutrophils. FEBS J 2022; 289:3954-3966. [PMID: 34042290 PMCID: PMC9107956 DOI: 10.1111/febs.16036] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 05/11/2021] [Accepted: 05/24/2021] [Indexed: 01/03/2023]
Abstract
Neutrophils are the most abundant circulating white blood cells and one of the major cell types of the innate immune system. Neutrophil extracellular traps (NETs) are a result of the extracellular release of nuclear chromatin from the ruptured nuclear envelope and plasma membrane. The externalized chromatin is an ancient defense weapon for animals to entrap and kill microorganisms in the extracellular milieu, thus protecting animals ranging from lower invertebrates to higher vertebrates. Although the externalized chromatin has the advantage of acting as anti-infective to protect against infections, extracellular chromatin might be problematic in higher vertebrate animals as they have an adaptive immune system that can trigger further immune or autoimmune responses. NETs and their associated nuclear and/or cytoplasmic components may induce sterile inflammation, immune, and autoimmune responses, leading to various human diseases. Though important in human pathophysiology, the cellular and molecular mechanisms of NET formation (also called NETosis) are not well understood. Given that nuclear chromatin forms the backbone of NETs, the nucleus is the root of the nuclear DNA extracellular traps. Thus, nuclear chromatin decondensation, along with the rupture of nuclear envelope and plasma membrane, is required for nuclear chromatin extracellular release and NET formation. So far, most of the literature focuses on certain signaling pathways, which are involved in NET formation but without explanation of cellular events and morphological changes described above. Here, we have summarized emerging evidence and discuss new mechanistic understanding, with our perspectives, in NET formation in neutrophils.
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Affiliation(s)
- Ming-Lin Liu
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, 19104, USA,Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Xing Lyu
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, 19104, USA,Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA,Department of Rheumatology and Immunology, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Victoria P. Werth
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, 19104, USA,Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
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192
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Moniot A, Braux J, Siboni R, Guillaume C, Audonnet S, Allart-Simon I, Sapi J, Tirouvanziam R, Gérard S, Gangloff SC, Velard F. Inhibition of Recruitment and Activation of Neutrophils by Pyridazinone-Scaffold-Based Compounds. Int J Mol Sci 2022; 23:ijms23137226. [PMID: 35806233 PMCID: PMC9266889 DOI: 10.3390/ijms23137226] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 12/07/2022] Open
Abstract
In inflammatory diseases, polymorphonuclear neutrophils (PMNs) are known to produce elevated levels of pro-inflammatory cytokines and proteases. To limit ensuing exacerbated cell responses and tissue damage, novel therapeutic agents are sought. 4aa and 4ba, two pyridazinone-scaffold-based phosphodiesterase-IV inhibitors are compared in vitro to zardaverine for their ability to: (1) modulate production of pro-inflammatory mediators, reactive oxygen species (ROS), and phagocytosis; (2) modulate degranulation by PMNs after transepithelial lung migration. Compound 4ba and zardaverine were tested in vivo for their ability to limit tissue recruitment of PMNs in a murine air pouch model. In vitro treatment of lipopolysaccharide-stimulated PMNs with compounds 4aa and 4ba inhibited the release of interleukin-8, tumor necrosis factor-α, and matrix metalloproteinase-9. PMNs phagocytic ability, but not ROS production, was reduced following treatment. Using a lung inflammation model, we proved that PMNs transmigration led to reduced expression of the CD16 phagocytic receptor, which was significantly blunted after treatment with compound 4ba or zardaverine. Using the murine air pouch model, LPS-induced PMNs recruitment was significantly decreased upon addition of compound 4ba or zardaverine. Our data suggest that new pyridazinone derivatives have therapeutic potential in inflammatory diseases by limiting tissue recruitment and activation of PMNs.
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Affiliation(s)
- Aurélie Moniot
- Université de Reims Champagne-Ardenne, EA 4691 BIOS, 51 Rue Cognacq Jay, 51100 Reims, France; (A.M.); (J.B.); (R.S.); (C.G.); (S.C.G.)
| | - Julien Braux
- Université de Reims Champagne-Ardenne, EA 4691 BIOS, 51 Rue Cognacq Jay, 51100 Reims, France; (A.M.); (J.B.); (R.S.); (C.G.); (S.C.G.)
| | - Renaud Siboni
- Université de Reims Champagne-Ardenne, EA 4691 BIOS, 51 Rue Cognacq Jay, 51100 Reims, France; (A.M.); (J.B.); (R.S.); (C.G.); (S.C.G.)
| | - Christine Guillaume
- Université de Reims Champagne-Ardenne, EA 4691 BIOS, 51 Rue Cognacq Jay, 51100 Reims, France; (A.M.); (J.B.); (R.S.); (C.G.); (S.C.G.)
| | - Sandra Audonnet
- Université de Reims Champagne-Ardenne, URCACyt, 51 Rue Cognacq Jay, 51100 Reims, France;
| | - Ingrid Allart-Simon
- Université de Reims Champagne-Ardenne, UMR CNRS 7312 ICMR, 51 Rue Cognacq Jay, 51100 Reims, France; (I.A.-S.); (J.S.); (S.G.)
| | - Janos Sapi
- Université de Reims Champagne-Ardenne, UMR CNRS 7312 ICMR, 51 Rue Cognacq Jay, 51100 Reims, France; (I.A.-S.); (J.S.); (S.G.)
| | - Rabindra Tirouvanziam
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA;
- Center for CF and Airways Disease Research, Children’s Healthcare of Atlanta, 2015 Uppergate Road, Atlanta, GA 30322, USA
| | - Stéphane Gérard
- Université de Reims Champagne-Ardenne, UMR CNRS 7312 ICMR, 51 Rue Cognacq Jay, 51100 Reims, France; (I.A.-S.); (J.S.); (S.G.)
| | - Sophie C. Gangloff
- Université de Reims Champagne-Ardenne, EA 4691 BIOS, 51 Rue Cognacq Jay, 51100 Reims, France; (A.M.); (J.B.); (R.S.); (C.G.); (S.C.G.)
| | - Frédéric Velard
- Université de Reims Champagne-Ardenne, EA 4691 BIOS, 51 Rue Cognacq Jay, 51100 Reims, France; (A.M.); (J.B.); (R.S.); (C.G.); (S.C.G.)
- Correspondence: ; Tel.: +33-3-26-91-80-10
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193
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Michailidou D, Duvvuri B, Kuley R, Cuthbertson D, Grayson PC, Khalidi NA, Koening CL, Langford CA, McAlear CA, Moreland LW, Pagnoux C, Seo P, Specks U, Sreih AG, Warrington KJ, Mustelin T, Monach PA, Merkel PA, Lood C. Neutrophil activation in patients with anti-neutrophil cytoplasmic autoantibody-associated vasculitis and large-vessel vasculitis. Arthritis Res Ther 2022; 24:160. [PMID: 35768848 PMCID: PMC9241246 DOI: 10.1186/s13075-022-02849-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 06/16/2022] [Indexed: 11/23/2022] Open
Abstract
Objective To assess markers of neutrophil activation such as calprotectin and N-formyl methionine (fMET) in anti-neutrophil cytoplasmic autoantibody-associated vasculitis (AAV) and large-vessel vasculitis (LVV). Methods Levels of fMET, and calprotectin, were measured in the plasma of healthy controls (n=30) and patients with AAV (granulomatosis with polyangiitis (GPA, n=123), microscopic polyangiitis (MPA, n=61)), and LVV (Takayasu’s arteritis (TAK, n=58), giant cell arteritis (GCA, n=68)), at times of remission or flare. Disease activity was assessed by physician global assessment. In vitro neutrophil activation assays were performed in the presence or absence of formyl peptide receptor 1 (FPR1) inhibitor cyclosporine H. Results Levels of calprotectin, and fMET were elevated in patients with vasculitis as compared to healthy individuals. Levels of fMET correlated with markers of systemic inflammation: C-reactive protein (r=0.82, p<0.0001), and erythrocyte sedimentation rate (r=0.235, p<0.0001). The neutrophil activation marker, calprotectin was not associated with disease activity. Circulating levels of fMET were associated with neutrophil activation (p<0.01) and were able to induce de novo neutrophil activation via FPR1-mediated signaling. Conclusion Circulating fMET appears to propagate neutrophil activation in AAV and LVV. Inhibition of fMET-mediated FPR1 signaling could be a novel therapeutic intervention for systemic vasculitides.
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Affiliation(s)
- Despina Michailidou
- Division of Rheumatology, Department of Medicine, University of Washington, 750 Republican Street, Seattle, WA, 98109, USA
| | - Bhargavi Duvvuri
- Division of Rheumatology, Department of Medicine, University of Washington, 750 Republican Street, Seattle, WA, 98109, USA
| | - Runa Kuley
- Division of Rheumatology, Department of Medicine, University of Washington, 750 Republican Street, Seattle, WA, 98109, USA
| | - David Cuthbertson
- Health Informatics Institute, University of South Florida, South Florida, Tampa, FL, USA
| | - Peter C Grayson
- Systemic Autoimmunity Branch, National Institutes of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, USA
| | - Nader A Khalidi
- Division of Rheumatology, Mc Master University, Hamilton, Ontario, Canada
| | - Curry L Koening
- Division of Rheumatology, University of Utah, Salt Lake City, UT, USA
| | | | - Carol A McAlear
- Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Larry W Moreland
- Division of Rheumatology and Clinical Immunology, University of Colorado, Denver, CO, USA
| | | | - Philip Seo
- Division of Rheumatology, Johns Hopkins University, Baltimore, MD, USA
| | - Ulrich Specks
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Antoine G Sreih
- Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Tomas Mustelin
- Division of Rheumatology, Department of Medicine, University of Washington, 750 Republican Street, Seattle, WA, 98109, USA
| | - Paul A Monach
- Division of Rheumatology, Brigham and Women's Hospital, Boston, MA, USA
| | - Peter A Merkel
- Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Christian Lood
- Division of Rheumatology, Department of Medicine, University of Washington, 750 Republican Street, Seattle, WA, 98109, USA.
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194
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Strøbech JE, Giuriatti P, Erler JT. NEUTROPHIL INFLUENCE ON EXTRACELLULAR MATRIX IN CANCER PROGRESSION. Am J Physiol Cell Physiol 2022; 323:C486-C493. [PMID: 35759433 DOI: 10.1152/ajpcell.00122.2022] [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: 11/22/2022]
Abstract
1 in 3 persons will develop cancer in their lifetime and the majority of these patients will die from the spread of their cancer through their body - a process known as metastasis. Metastasis is strongly regulated by the tumor microenvironment (TME) comprised of cellular and non-cellular components. In this review, we will focus on the role of neutrophils regulating the extracellular matrix (ECM), enabling ECM remodeling and cancer progression. In particular, we highlight the role of neutrophil-secreted proteases (NSP) and how these promote metastasis.
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Affiliation(s)
- Jan Erik Strøbech
- Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
| | - Pietro Giuriatti
- Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
| | - Janine T Erler
- Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
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195
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Ng MY, Lin T, Chao SC, Chu PM, Yu CC. Potential Therapeutic Applications of Natural Compounds in Diabetes-Associated Periodontitis. J Clin Med 2022; 11:jcm11133614. [PMID: 35806899 PMCID: PMC9267692 DOI: 10.3390/jcm11133614] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/10/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023] Open
Abstract
Diabetes mellitus (DM) is a major worldwide health burden. DM is a metabolic disease characterized by chronic hyperglycemia, and if left untreated, can lead to various complications. Individuals with uncontrolled DM are more susceptible to periodontitis due to both a hyper-inflammatory host response and an impaired immune response. Periodontitis, on the other hand, may exacerbate DM by increasing both local and systemic inflammatory components of DM-related complications. The current standard for periodontal treatment in diabetes-associated periodontitis (DP) focuses mostly on reducing bacterial load and less on controlling the excessive host response, and hence, may not be able to resolve DP completely. Over the past decade, natural compounds have emerged as an adjunct approach for modulating the host immune response with the hope of curing DP. The anti-oxidant, anti-inflammatory, and anti-diabetic characteristics of natural substances are well-known, and they can be found in regularly consumed foods and drinks, as well as plants. The pathophysiology of DP and the treatment benefits of various bioactive extracts for DP will be covered in this review.
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Affiliation(s)
- Min Yee Ng
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan; (M.Y.N.); (T.L.)
| | - Taichen Lin
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan; (M.Y.N.); (T.L.)
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Shih-Chi Chao
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan;
- Department of Medical Research and Education, Lo-Hsu Medical Foundation, Lotung Poh-Ai Hospital, Yi-lan, Luodong 265501, Taiwan
| | - Pei-Ming Chu
- Department of Anatomy, School of Medicine, China Medical University, Taichung 404333, Taiwan;
| | - Cheng-Chia Yu
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan; (M.Y.N.); (T.L.)
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan;
- Correspondence: ; Tel.: +886-4-2471-8668
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196
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Li Z, Ji S, Jiang ML, Xu Y, Zhang CJ. The Regulation and Modification of GSDMD Signaling in Diseases. Front Immunol 2022; 13:893912. [PMID: 35774778 PMCID: PMC9237231 DOI: 10.3389/fimmu.2022.893912] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Abstract
Gasdermin D (GSDMD) serves as a key executor to trigger pyroptosis and is emerging as an attractive checkpoint in host defense, inflammatory, autoimmune diseases, and many other systemic diseases. Although canonical and non-canonical inflammasome-mediated classic GSDMD cleavage, GSDMD-NT migration to cell membrane, GSDMD-NT oligomerization, and pore forming have been well recognized, a few unique features of GSDMD in specific condition beyond its classic function, including non-lytic function of GSDMD, the modification and regulating mechanism of GSDMD signaling have also come to great attention and played a crucial role in biological processes and diseases. In the current review, we emphasized the GSDMD protein expression, stabilization, modification, activation, pore formation, and repair during pyroptosis, especially the regulation and modification of GSDMD signaling, such as GSDMD complex in polyubiquitination and non-pyroptosis release of IL-1β, ADP-riboxanation, NINJ1 in pore forming, GSDMD binding protein TRIM21, GSDMD succination, and Regulator-Rag-mTOR-ROS regulation of GSDMD. We also discussed the novel therapeutic strategies of targeting GSDMD and summarized recently identified inhibitors with great prospect.
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Affiliation(s)
- Zihao Li
- Department of Neurology of Nanjing Drum Tower Hospital, Medical School and the State Key Laboratory of Pharmaceutical Biotechnology, Translational Medicine Institute of Brain Disorders, Nanjing University, Nanjing, China
| | - Senlin Ji
- Department of Neurology of Nanjing Drum Tower Hospital, Medical School and the State Key Laboratory of Pharmaceutical Biotechnology, Translational Medicine Institute of Brain Disorders, Nanjing University, Nanjing, China
| | - Mei-Ling Jiang
- Department of Neurology of Nanjing Drum Tower Hospital, Medical School and the State Key Laboratory of Pharmaceutical Biotechnology, Translational Medicine Institute of Brain Disorders, Nanjing University, Nanjing, China
| | - Yun Xu
- Department of Neurology of Nanjing Drum Tower Hospital, Medical School and the State Key Laboratory of Pharmaceutical Biotechnology, Translational Medicine Institute of Brain Disorders, Nanjing University, Nanjing, China
- Institute of Brain Sciences, Nanjing University, Nanjing, China
- Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China
- Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, China
- Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, China
- *Correspondence: Yun Xu, ; Cun-Jin Zhang, ;
| | - Cun-Jin Zhang
- Department of Neurology of Nanjing Drum Tower Hospital, Medical School and the State Key Laboratory of Pharmaceutical Biotechnology, Translational Medicine Institute of Brain Disorders, Nanjing University, Nanjing, China
- Institute of Brain Sciences, Nanjing University, Nanjing, China
- Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China
- Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, China
- Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, China
- *Correspondence: Yun Xu, ; Cun-Jin Zhang, ;
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197
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Aggio JB, Porto BN, Duarte dos Santos CN, Mosimann ALP, Wowk PF. Human Neutrophils Present Mild Activation by Zika Virus But Reduce the Infection of Susceptible Cells. Front Immunol 2022; 13:784443. [PMID: 35747137 PMCID: PMC9210994 DOI: 10.3389/fimmu.2022.784443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 05/02/2022] [Indexed: 11/16/2022] Open
Abstract
The emergence of the Zika virus (ZIKV) has highlighted the need for a deeper understanding of virus-host interactions in order to pave the way for the development of antiviral therapies. The present work aimed to address the response of neutrophils during ZIKV infection. Neutrophils are important effector cells in innate immunity implicated in the host’s response to neurotropic arboviruses. Our results indicate that human neutrophils were not permissive to Asian or African ZIKV strain replication. In fact, after stimulation with ZIKV, neutrophils were mild primed against the virus as evaluated through CD11b and CD62L modulation, secretion of inflammatory cytokines and granule content, production of reactive oxygen species, and neutrophil extracellular traps formation. Overall, neutrophils did not affect ZIKV infectivity. Moreover, in vitro ZIKV infection of primary innate immune cells did not trigger neutrophil migration. However, neutrophils co-cultured with ZIKV susceptible cell lineages resulted in lower cell infection frequencies, possibly due to cell-to-cell contact. In vivo, neutrophil depletion in immunocompetent mice did not affect ZIKV spreading to the draining lymph nodes. The data suggest that human neutrophils do not play an antiviral role against ZIKV per se, but these cells might participate in an infected environment shaping the ZIKV infection in other target cells.
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Affiliation(s)
- Juliana Bernardi Aggio
- Laboratório de Virologia Molecular, Instituto Carlos Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Curitiba, Brazil
| | - Bárbara Nery Porto
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- Biology of Breathing Group, Children’s Hospital Research Institute of Manitoba, Winnipeg, MB, Canada
| | | | - Ana Luiza Pamplona Mosimann
- Laboratório de Virologia Molecular, Instituto Carlos Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Curitiba, Brazil
- *Correspondence: Pryscilla Fanini Wowk, ; Ana Luiza Pamplona Mosimann,
| | - Pryscilla Fanini Wowk
- Laboratório de Virologia Molecular, Instituto Carlos Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Curitiba, Brazil
- *Correspondence: Pryscilla Fanini Wowk, ; Ana Luiza Pamplona Mosimann,
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198
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Tajbakhsh A, Yousefi F, Abedi SM, Rezaee M, Savardashtaki A, Teng Y, Sahebkar A. The cross-talk between soluble "Find me" and "Keep out" signals as an initial step in regulating efferocytosis. J Cell Physiol 2022; 237:3113-3126. [PMID: 35578547 DOI: 10.1002/jcp.30770] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/16/2022] [Accepted: 04/21/2022] [Indexed: 12/20/2022]
Abstract
The rapid clearance of apoptotic cells (ACs), known as efferocytosis, prompts the inhibition of inflammatory responses and autoimmunity and maintains homeostatic cell turnover by controlling the release of intracellular contents. The fast clearance of ACs requires professional and nonprofessional phagocytic cells that can accurately and promptly recognize ACs and migrate towards them. Cells undergoing apoptosis alarm their presence by releasing special soluble chemotactic factors, such as lactoferrin, that act as "Find me," "Keep out," or "Stay away" signals to recruit phagocytic cells, such as macrophages or prevent granulocyte migration. Efferocytosis effectively serves to prevent damage-associated molecular pattern release and secondary necrosis and inhibit inflammation/autoimmunity at the very first step. Since less attention has been given to the cross-talk and balance of "Find me" and "Keep out" signals released from ACs in efferocytosis, we set out to investigate the current knowledge of the roles of "Find me" and "Keep out" signals in the efferocytosis process.
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Affiliation(s)
- Amir Tajbakhsh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Yousefi
- Department of Biological Sciences, Faculty of Genetics, Tarbiat Modares University, Tehran, Iran
| | - Seyedeh M Abedi
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Rezaee
- Department of Medical Biotechnology, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Amir Savardashtaki
- Infertility Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Yong Teng
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, USA
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Medicine, The University of Western Australia, Perth, Western Australia, Australia.,Depatment of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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199
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Sirisereephap K, Maekawa T, Tamura H, Hiyoshi T, Domon H, Isono T, Terao Y, Maeda T, Tabeta K. Osteoimmunology in Periodontitis: Local Proteins and Compounds to Alleviate Periodontitis. Int J Mol Sci 2022; 23:ijms23105540. [PMID: 35628348 PMCID: PMC9146968 DOI: 10.3390/ijms23105540] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/13/2022] [Accepted: 05/14/2022] [Indexed: 01/25/2023] Open
Abstract
Periodontitis is one of the most common oral diseases resulting in gingival inflammation and tooth loss. Growing evidence indicates that it results from dysbiosis of the oral microbiome, which interferes with the host immune system, leading to bone destruction. Immune cells activate periodontal ligament cells to express the receptor activator of nuclear factor kappa-B (NF-κB) ligand (RANKL) and promote osteoclast activity. Osteocytes have active roles in periodontitis progression in the bone matrix. Local proteins are involved in bone regeneration through functional immunological plasticity. Here, we discuss the current knowledge of cellular and molecular mechanisms in periodontitis, the roles of local proteins, and promising synthetic compounds generating a periodontal regeneration effect. It is anticipated that this may lead to a better perception of periodontitis pathophysiology.
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Affiliation(s)
- Kridtapat Sirisereephap
- Division of Periodontology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (K.S.); (H.T.); (K.T.)
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
- Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand
| | - Tomoki Maekawa
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
- Correspondence: ; Tel.: +81-25-227-2828
| | - Hikaru Tamura
- Division of Periodontology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (K.S.); (H.T.); (K.T.)
| | - Takumi Hiyoshi
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
| | - Hisanori Domon
- Division of Microbiology and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (H.D.); (T.I.); (Y.T.)
| | - Toshihito Isono
- Division of Microbiology and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (H.D.); (T.I.); (Y.T.)
| | - Yutaka Terao
- Division of Microbiology and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (H.D.); (T.I.); (Y.T.)
| | - Takeyasu Maeda
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
| | - Koichi Tabeta
- Division of Periodontology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (K.S.); (H.T.); (K.T.)
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200
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Ou Z, Dolmatova E, Mandavilli R, Qu H, Gafford G, White T, Valdivia A, Lassègue B, Hernandes MS, Griendling KK. Myeloid Poldip2 Contributes to the Development of Pulmonary Inflammation by Regulating Neutrophil Adhesion in a Murine Model of Acute Respiratory Distress Syndrome. J Am Heart Assoc 2022; 11:e025181. [PMID: 35535614 PMCID: PMC9238549 DOI: 10.1161/jaha.121.025181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Background Lung injury, a severe adverse outcome of lipopolysaccharide-induced acute respiratory distress syndrome, is attributed to excessive neutrophil recruitment and effector response. Poldip2 (polymerase δ-interacting protein 2) plays a critical role in regulating endothelial permeability and leukocyte recruitment in acute inflammation. Thus, we hypothesized that myeloid Poldip2 is involved in neutrophil recruitment to inflamed lungs. Methods and Results After characterizing myeloid-specific Poldip2 knockout mice, we showed that at 18 hours post-lipopolysaccharide injection, bronchoalveolar lavage from myeloid Poldip2-deficient mice contained fewer inflammatory cells (8 [4-16] versus 29 [12-57]×104/mL in wild-type mice) and a smaller percentage of neutrophils (30% [28%-34%] versus 38% [33%-41%] in wild-type mice), while the main chemoattractants for neutrophils remained unaffected. In vitro, Poldip2-deficient neutrophils responded as well as wild-type neutrophils to inflammatory stimuli with respect to neutrophil extracellular trap formation, reactive oxygen species production, and induction of cytokines. However, neutrophil adherence to a tumor necrosis factor-α stimulated endothelial monolayer was inhibited by Poldip2 depletion (225 [115-272] wild-type [myePoldip2+/+] versus 133 [62-178] myeloid-specific Poldip2 knockout [myePoldip2-/-] neutrophils) as was transmigration (1.7 [1.3-2.1] versus 1.1 [1.0-1.4] relative to baseline transmigration). To determine the underlying mechanism, we examined the surface expression of β2-integrin, its binding to soluble intercellular adhesion molecule 1, and Pyk2 phosphorylation. Surface expression of β2-integrins was not affected by Poldip2 deletion, whereas β2-integrins and Pyk2 were less activated in Poldip2-deficient neutrophils. Conclusions These results suggest that myeloid Poldip2 is involved in β2-integrin activation during the inflammatory response, which in turn mediates neutrophil-to-endothelium adhesion in lipopolysaccharide-induced acute respiratory distress syndrome.
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Affiliation(s)
- Ziwei Ou
- Division of Cardiology Department of Medicine Emory University Atlanta GA.,Department of Cardiovascular Medicine Xiangya HospitalCentral South University Changsha China
| | - Elena Dolmatova
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Rohan Mandavilli
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Hongyan Qu
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Georgette Gafford
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Taylor White
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Alejandra Valdivia
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Bernard Lassègue
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Marina S Hernandes
- Division of Cardiology Department of Medicine Emory University Atlanta GA
| | - Kathy K Griendling
- Division of Cardiology Department of Medicine Emory University Atlanta GA
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