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Mizuno N, Shiga S, Tanaka Y, Kimura T, Yanagawa Y. CDK8/19 inhibitor enhances arginase-1 expression in macrophages via STAT6 and p38 MAPK activation. Eur J Pharmacol 2024; 979:176852. [PMID: 39067565 DOI: 10.1016/j.ejphar.2024.176852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 06/25/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Macrophages polarize into alternatively activated M2 macrophages through interleukin (IL)-4, and they express high levels of arginase-1, which promotes anti-inflammatory responses. Several studies have confirmed the anti-inflammatory effects of cyclin-dependent kinase (CDK) 8/19 inhibition, and hence, numerous CDK8/19 inhibitors, such as BRD6989, have been developed. However, the effects of CDK8/19 inhibitors on arginase-1 expression in macrophages have not yet been elucidated. This study investigated the effects of CDK8/19 inhibitor on arginase-1 expression in IL-4-activated macrophages. The results showed that BRD6989 increased arginase-1 expression transcriptionally in murine peritoneal macrophages and the murine macrophage cell line RAW264.7 in an IL-4-dependent manner. In addition, the results indicated that BRD6989 enhances signal transducer and activator of transcription (STAT) 6 phosphorylation. Meanwhile, BRD6989 exhibited the capability to activate p38 mitogen-activated protein kinase (MAPK) even in the absence of IL-4 stimulation. Moreover, we observed that a p38 MAPK inhibitor suppressed the BRD6989-induced increase in arginase-1 expression. Besides, BRD6989 increased the surface expression of CD206, an M2 macrophage marker. Thus, this study demonstrated for the first time that CDK8/19 inhibition increases arginase-1 expression, suggesting that this mechanism involves the activation of STAT6 and p38 MAPK. This finding implies that CDK8/19 inhibition may facilitate the production of anti-inflammatory M2 macrophages.
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Affiliation(s)
- Natsumi Mizuno
- Department of Pharmacology, School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Kanazawa 1757, Ishikari-Tobetsu 061-0293, Japan.
| | - Saki Shiga
- Department of Pharmacology, School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Kanazawa 1757, Ishikari-Tobetsu 061-0293, Japan
| | - Yoshiyuki Tanaka
- Department of Pharmacology, School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Kanazawa 1757, Ishikari-Tobetsu 061-0293, Japan
| | - Tatsuki Kimura
- Department of Pharmacology, School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Kanazawa 1757, Ishikari-Tobetsu 061-0293, Japan
| | - Yoshiki Yanagawa
- Department of Pharmacology, School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Kanazawa 1757, Ishikari-Tobetsu 061-0293, Japan
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2
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Sinkarevs S, Strumfs B, Volkova S, Strumfa I. Tumour Microenvironment: The General Principles of Pathogenesis and Implications in Diffuse Large B Cell Lymphoma. Cells 2024; 13:1057. [PMID: 38920685 PMCID: PMC11201569 DOI: 10.3390/cells13121057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/27/2024] Open
Abstract
Diffuse large B cell lymphoma (DLBCL) is the most common type of non-Hodgkin lymphoma worldwide, constituting around 30-40% of all cases. Almost 60% of patients develop relapse of refractory DLBCL. Among the reasons for the therapy failure, tumour microenvironment (TME) components could be involved, including tumour-associated macrophages (TAMs), myeloid-derived suppressor cells (MDSCs), tumour-associated neutrophils (TANs), cancer-associated fibroblasts (CAFs), and different subtypes of cytotoxic CD8+ cells and T regulatory cells, which show complex interactions with tumour cells. Understanding of the TME can provide new therapeutic options for patients with DLBCL and improve their prognosis and overall survival. This review provides essentials of the latest understanding of tumour microenvironment elements and discusses their role in tumour progression and immune suppression mechanisms which result in poor prognosis for patients with DLBCL. In addition, we point out important markers for the diagnostic purposes and highlight novel therapeutic targets.
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Affiliation(s)
| | | | | | - Ilze Strumfa
- Department of Pathology, Riga Stradins University, 16 Dzirciema Street, LV-1007 Riga, Latvia
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3
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Chen G, Yu Y, Zhu Y, Nagashimada M, Wang Y, Nagata N, Xu L. Cenicriviroc Suppresses and Reverses Steatohepatitis by Regulating Macrophage Infiltration and M2 Polarization in Mice. Endocrinology 2024; 165:bqae069. [PMID: 38862137 DOI: 10.1210/endocr/bqae069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 06/04/2024] [Accepted: 06/10/2024] [Indexed: 06/13/2024]
Abstract
The inhibition of hepatic macrophage and Kupfer cell recruitment and activation is a potential strategy for treating insulin resistance and nonalcoholic steatohepatitis (NASH). Cenicriviroc (CVC), a dual C-C chemokine receptor 2 (CCR2) and CCR5 antagonist, has shown antifibrotic activity in murine models of NASH and has been evaluated in clinical trials on patients with NASH. This study investigated the effects of CVC on macrophage infiltration and polarization in a lipotoxic model of NASH. C57BL/6 mice were fed a high-cholesterol, high-fat (CL) diet or a CL diet containing 0.015% CVC (CL + CVC) for 12 weeks. Macrophage recruitment and activation were assayed by immunohistochemistry and flow cytometry. CVC supplementation attenuated excessive hepatic lipid accumulation and peroxidation and alleviated glucose intolerance and hyperinsulinemia in the mice that were fed the CL diet. Flow cytometry analysis revealed that compared with the CL group, mice fed the CL + CVC diet had fewer M1-like macrophages, more M2-like macrophages, and fewer T cell counts, indicating that CVC caused an M2-dominant shift of macrophages in the liver. Similarly, CVC decreased lipopolysaccharide-stimulated M1-like macrophage activation, whereas it increased interleukin-4-induced M2-type macrophage polarization in vitro. In addition, CVC attenuated hepatic fibrosis by repressing hepatic stellate cell activation. Lastly, CVC reversed insulin resistance as well as steatosis, inflammation, and fibrosis of the liver in mice with pre-existing NASH. In conclusion, CVC prevented and reversed hepatic steatosis, insulin resistance, inflammation, and fibrogenesis in the liver of NASH mice via M2 macrophage polarization.
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Affiliation(s)
- Guanliang Chen
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-8640, Ishikawa, Japan
- Jiangsu Carephar Pharmaceutical Co. Ltd., No.6 Xuzhuang Road, Xuanwu District, Nanjing 210014, Jiangsu, China
| | - Yanwen Yu
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Yuqin Zhu
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Mayumi Nagashimada
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-8640, Ishikawa, Japan
| | - Yajiao Wang
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Naoto Nagata
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-8640, Ishikawa, Japan
| | - Liang Xu
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-8640, Ishikawa, Japan
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
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Zuo L, Geng Z, Song X, Li J, Wang Y, Zhang X, Ge S, Wang L, Liu G, Zhang L, Xu M, Zhao Y, Shen L, Ge Y, Wu R, Hu J. Browning of Mesenteric White Adipose Tissue in Crohn's Disease: A New Pathological Change and Therapeutic Target. J Crohns Colitis 2023; 17:1179-1192. [PMID: 36932969 DOI: 10.1093/ecco-jcc/jjad046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Indexed: 03/19/2023]
Abstract
BACKROUND Hypertrophic mesenteric adipose tissue [htMAT] is a distinctive hallmark of Crohn's disease [CD], and it affects enteritis via inflammatory adipokine secretion by dysfunctional white adipocytes. White adipocytes can become beige adipocytes, which are characterized by active lipid consumption and favourable endocrine function, via white adipocyte browning. Our study aimed to determine whether white adipocyte browning occurs in htMAT and its role in CD. METHODS White adipocyte browning was examined in MAT samples from CD patients and controls. Human MAT explants and primary mesenteric adipocytes were cultured for in vitro experiments. Mice with 2,4,6-trinitrobenzenesulphonic acid solution [TNBS]-induced colitis were used for in vivo studies. A β3-adrenergic receptor agonist [CL316,243] was used to induce white adipocyte browning, and IL-4/STAT6 signalling was analysed to explore the mechanism underlying the anti-inflammatory activity of beige adipocytes. RESULTS White adipocyte browning was observed in htMAT from CD patients, as shown by the appearance of uncoupling protein 1 [UCP1]-positive multilocular [beige] adipocytes with lipid-depleting activity and anti-inflammatory endocrine profiles. Both human MAT and primary mesenteric adipocytes from CD patients and controls could be induced to undergo browning, which increased their lipid-depleting and anti-inflammatory activities in vitro. Inducing MAT browning ameliorated mesenteric hypertrophy and inflammation as well as colitis in TNBS-treated mice in vivo. The anti-inflammatory activity of beige adipocytes was at least partially related to STAT6 signalling activation via the autocrine and paracrine effects of IL-4. CONCLUSION White adipocyte browning is a newly identified pathological change in htMAT of CD patients and a possible therapeutic target.
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Affiliation(s)
- Lugen Zuo
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China
| | - Zhijun Geng
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Xue Song
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Jing Li
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yueyue Wang
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Xiaofeng Zhang
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Sitang Ge
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China
| | - Lian Wang
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Guangyong Liu
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, China
| | - Lele Zhang
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, China
| | - Mengyu Xu
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, China
| | - Yajing Zhao
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, China
| | - Li Shen
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, China
| | - Yuanyuan Ge
- Department of Colorectal Surgery, The Third Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Rong Wu
- Department of General Surgery, Southeast University Zhongda Hospital, Nanjing, China
| | - Jianguo Hu
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, China
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5
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Liu F, Diao X, Cong H, Suzuki E, Hasumi K, Takeshima H. Soluble epoxide hydrolase maintains steady-state lipid turnover linked with autocrine signaling in peritoneal macrophages. iScience 2023; 26:107465. [PMID: 37599831 PMCID: PMC10433125 DOI: 10.1016/j.isci.2023.107465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 06/06/2023] [Accepted: 07/19/2023] [Indexed: 08/22/2023] Open
Abstract
Soluble epoxide hydrolase is a widely distributed bifunctional enzyme that contains N-terminal phosphatase (N-phos) and C-terminal epoxide hydrolase (C-EH) domains. C-EH hydrolyzes anti-inflammatory epoxy-fatty acids to corresponding diols and contributes to various inflammatory conditions. However, N-phos has been poorly examined. In peritoneal macrophages, the N-phos inhibitor amino-hydroxybenzoic acid (AHBA) seemed to primarily interrupt the dephosphorylation of lysophosphatidates and broadly attenuated inflammation-related functions. AHBA activated intrinsic lysophosphatidate and thromboxane A2 receptors by altering lipid-metabolite distribution; downstream the signaling, phospholipase C was facilitated to dampen intracellular Ca2+ stores and AKT kinase (protein kinase B) was activated to presumably inhibit inflammatory gene expression. Our data suggest that N-phos maintains steady-state phospholipid turnover connecting autocrine signaling and is a prospective target for controlling inflammatory responses in macrophages.
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Affiliation(s)
- Feng Liu
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Xueying Diao
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Haolun Cong
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Eriko Suzuki
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
| | - Keiji Hasumi
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
- Division of Research and Development, TMS Co., Ltd, Tokyo 183-0023, Japan
| | - Hiroshi Takeshima
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
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Li Y, Guo J, Zhang H, Li Z, Ren Y, Jiang Y, Liu X, Hu X. LILRB4 regulates the function of decidual MDSCs via the SHP-2/STAT6 pathway during Toxoplasma gondii infection. Parasit Vectors 2023; 16:237. [PMID: 37461040 PMCID: PMC10353217 DOI: 10.1186/s13071-023-05856-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/30/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Toxoplasma gondii infection can cause adverse pregnancy outcomes, such as recurrent abortion, fetal growth restriction and infants with malformations, among others. Decidual myeloid-derived suppressor cells (dMDSCs) are a novel immunosuppressive cell type at the fetal-maternal interface which play an important role in sustaining normal pregnancy that is related to their high expression of the inhibitory molecule leukocyte immunoglobulin-like receptor B4 (LILRB4). It has been reported that the expression of LILRB4 is downregulated on decidual macrophages after T. gondii infection, but it remains unknown whether T. gondii infection can induce dMDSC dysfunction resulting from the change in LILRB4 expression. METHODS LILRB4-deficient (LILRB4-/-) pregnant mice infected with T. gondii with associated adverse pregnancy outcomes, and anti-LILRB4 neutralized antibodies-treated infected human dMDSCs were used in vivo and in vitro experiments, respectively. The aim was to investigate the effect of LILRB4 expression on dMDSC dysfunction induced by T. gondii infection. RESULTS Toxoplasma gondii infection was observed to reduce STAT3 phosphorylation, resulting in decreased LILRB4 expression on dMDSCs. The levels of the main functional molecules (arginase-1 [Arg-1], interleukin-10 [IL-10]) and main signaling molecules (phosphorylated Src-homology 2 domain-containing protein tyrosine phosphatase [p-SHP2], phosphorylated signal transducer and activator of transcription 6 [p-STAT6]) in dMDSCs were all significantly reduced in human and mouse dMDSCs due to the decrease of LILRB4 expression induced by T. gondii infection. SHP-2 was found to directly bind to STAT6 and STAT6 to bind to the promoter of the Arg-1 and IL-10 genes during T. gondii infection. CONCLUSIONS The downregulation of LILRB4 expression on dMDSCs induced by T. gondii infection could regulate the expression of Arg-1 and IL-10 via the SHP-2/STAT6 pathway, resulting in the dysfunction of dMDSCs, which might contribute to adverse outcomes during pregnancy by T. gondii infection.
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Affiliation(s)
- Yuantao Li
- Department of Gynecology and Obstetrics, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong, People's Republic of China
| | - Jingjing Guo
- Department of Gynecology and Obstetrics, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong, People's Republic of China
| | - Haixia Zhang
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Zhidan Li
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Yushan Ren
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Yuzhu Jiang
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Xianbing Liu
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Xuemei Hu
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China.
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Alabdulaali B, Al-rashed F, Al-Onaizi M, Kandari A, Razafiarison J, Tonui D, Williams MR, Blériot C, Ahmad R, Alzaid F. Macrophages and the development and progression of non-alcoholic fatty liver disease. Front Immunol 2023; 14:1195699. [PMID: 37377968 PMCID: PMC10291618 DOI: 10.3389/fimmu.2023.1195699] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
The liver is the site of first pass metabolism, detoxifying and metabolizing blood arriving from the hepatic portal vein and hepatic artery. It is made up of multiple cell types, including macrophages. These are either bona fide tissue-resident Kupffer cells (KC) of embryonic origin, or differentiated from circulating monocytes. KCs are the primary immune cells populating the liver under steady state. Liver macrophages interact with hepatocytes, hepatic stellate cells, and liver sinusoidal endothelial cells to maintain homeostasis, however they are also key contributors to disease progression. Generally tolerogenic, they physiologically phagocytose foreign particles and debris from portal circulation and participate in red blood cell clearance. However as immune cells, they retain the capacity to raise an alarm to recruit other immune cells. Their aberrant function leads to the development of non-alcoholic fatty liver disease (NAFLD). NAFLD refers to a spectrum of conditions ranging from benign steatosis of the liver to steatohepatitis and cirrhosis. In NAFLD, the multiple hit hypothesis proposes that simultaneous influences from the gut and adipose tissue (AT) generate hepatic fat deposition and that inflammation plays a key role in disease progression. KCs initiate the inflammatory response as resident immune effectors, they signal to neighbouring cells and recruit monocytes that differentiated into recruited macrophages in situ. Recruited macrophages are central to amplifying the inflammatory response and causing progression of NAFLD to its fibro-inflammatory stages. Given their phagocytic capacity and their being instrumental in maintaining tissue homeostasis, KCs and recruited macrophages are fast-becoming target cell types for therapeutic intervention. We review the literature in the field on the roles of these cells in the development and progression of NAFLD, the characteristics of patients with NAFLD, animal models used in research, as well as the emerging questions. These include the gut-liver-brain axis, which when disrupted can contribute to decline in function, and a discussion on therapeutic strategies that act on the macrophage-inflammatory axis.
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Affiliation(s)
- Bader Alabdulaali
- Dasman Diabetes Institute, Kuwait City, Kuwait
- Ministry of Health, Kuwait City, Kuwait
| | | | - Mohammed Al-Onaizi
- Dasman Diabetes Institute, Kuwait City, Kuwait
- Department of Anatomy, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Anwar Kandari
- Dasman Diabetes Institute, Kuwait City, Kuwait
- Ministry of Health, Kuwait City, Kuwait
| | - Joanna Razafiarison
- INSERM UMR-S1151, CNRS UMR-S8253, Université Paris Cité, Institut Necker Enfants Malades, Paris, France
| | - Dorothy Tonui
- INSERM UMR-S1151, CNRS UMR-S8253, Université Paris Cité, Institut Necker Enfants Malades, Paris, France
| | | | - Camille Blériot
- INSERM UMR-S1151, CNRS UMR-S8253, Université Paris Cité, Institut Necker Enfants Malades, Paris, France
- Inserm U1015, Gustave Roussy, Villejuif, France
| | | | - Fawaz Alzaid
- Dasman Diabetes Institute, Kuwait City, Kuwait
- INSERM UMR-S1151, CNRS UMR-S8253, Université Paris Cité, Institut Necker Enfants Malades, Paris, France
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8
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Lv X, Chen Q, Zhang Z, Du K, Huang Y, Li X, Zeng Y. αCGRP deficiency aggravates pulmonary fibrosis by activating the PPARγ signaling pathway. Genes Immun 2023:10.1038/s41435-023-00206-x. [PMID: 37231189 DOI: 10.1038/s41435-023-00206-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 04/09/2023] [Accepted: 04/17/2023] [Indexed: 05/27/2023]
Abstract
In order to explore whether αCGRP (Calca) deficiency aggravates pulmonary fibrosis (PF). Clinical data from patients with PF (n = 52) were retrospectively analyzed. Lung tissue from a bleomycin (BLM)-induced rat model was compared with that of Calca-knockout (KO) and wild type (WT) using immunohistochemistry, RNA-seq, and UPLC-MS/MS metabolomic analyses. The results showed that decreased αCGRP expression and activation of the type 2 immune response were detected in patients with PF. In BLM-induced and Calca-KO rats, αCGRP deficiency potentiated apoptosis of AECs and induced M2 macrophages. RNA-seq identified enrichment of pathways involved in nuclear translocation and immune system disorders in Calca-KO rats compared to WT. Mass spectrometry of lung tissue from Calca-KO rats showed abnormal lipid metabolism, including increased levels of LTB4, PDX, 1-HETE. PPAR pathway signaling was significantly induced in both transcriptomic and metabolomic datasets in Calca-KO rats, and immunofluorescence analysis confirmed that the nuclear translocation of PPARγ in BLM-treated and Calca-KO rats was synchronized with STAT6 localization in the cytoplasmic and nuclear fractions. In conclusion, αCGRP is protective against PF, and αCGRP deficiency promotes M2 polarization of macrophages, probably by activating the PPARγ pathway, which leads to activation of the type 2 immune response and accelerates PF development.
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Affiliation(s)
- Xiaoting Lv
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, China
- Department of Respiratory and Critical Care Medicine, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Institute of Respiratory Disease, Fujian Medical University, Fuzhou, 350005, China
| | - Qingquan Chen
- Department of Laboratory Medicine, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, 350004, China
| | - Zewei Zhang
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Kaili Du
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Yaping Huang
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Xingzhe Li
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Yiming Zeng
- Department of Pulmonary and Critical Care Medicine, the Second Affiliated Hospital of Fujian Medical University, Respirology Medicine Centre of Fujian Province, Quanzhou, China.
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9
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Standing D, Feess E, Kodiyalam S, Kuehn M, Hamel Z, Johnson J, Thomas SM, Anant S. The Role of STATs in Ovarian Cancer: Exploring Their Potential for Therapy. Cancers (Basel) 2023; 15:cancers15092485. [PMID: 37173951 PMCID: PMC10177275 DOI: 10.3390/cancers15092485] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/12/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
Ovarian cancer (OvCa) is a deadly gynecologic malignancy that presents many clinical challenges due to late-stage diagnoses and the development of acquired resistance to standard-of-care treatment protocols. There is an increasing body of evidence suggesting that STATs may play a critical role in OvCa progression, resistance, and disease recurrence, and thus we sought to compile a comprehensive review to summarize the current state of knowledge on the topic. We have examined peer reviewed literature to delineate the role of STATs in both cancer cells and cells within the tumor microenvironment. In addition to summarizing the current knowledge of STAT biology in OvCa, we have also examined the capacity of small molecule inhibitor development to target specific STATs and progress toward clinical applications. From our research, the best studied and targeted factors are STAT3 and STAT5, which has resulted in the development of several inhibitors that are under current evaluation in clinical trials. There remain gaps in understanding the role of STAT1, STAT2, STAT4, and STAT6, due to limited reports in the current literature; as such, further studies to establish their implications in OvCa are necessitated. Moreover, due to the deficiency in our understanding of these STATs, selective inhibitors also remain elusive, and therefore present opportunities for discovery.
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Affiliation(s)
- David Standing
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Emma Feess
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Satvik Kodiyalam
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Michael Kuehn
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Zachary Hamel
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Jaimie Johnson
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Sufi Mary Thomas
- Department of Otolaryngology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Shrikant Anant
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
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10
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Chen C, Tang Y, Zhu X, Yang J, Liu Z, Chen Y, Wang J, Shang R, Zheng W, Zhang X, Hu X, Tan J, Zhou J, Peng S, Lu Q, Ju Z, Luo G, He W. P311 Promotes IL-4 Receptor‒Mediated M2 Polarization of Macrophages to Enhance Angiogenesis for Efficient Skin Wound Healing. J Invest Dermatol 2023; 143:648-660.e6. [PMID: 36309321 DOI: 10.1016/j.jid.2022.09.659] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 08/15/2022] [Accepted: 09/23/2022] [Indexed: 11/05/2022]
Abstract
The transition from the proinflammatory phase to the prohealing phase in wound healing is essential for effective skin wound repair, which involves the balance of M1 and M2 polarization of wound-infiltrating macrophages. P311 plays an essential role in promoting wound closure by enhancing the biological function of epidermal stem cells, endothelial cells, and fibroblasts. Nevertheless, whether and how P311 regulates macrophage polarization remains unclear. In this study, we showed that P311 deficiency reduced the M2 polarization of macrophages, thereby attenuating the secretion of M2-like cytokines. The P311 deficiency prolonged the transition from the proinflammatory phase to the prohealing phase, accompanied by weakened angiogenesis and retarded granulation tissue formation, both of which coordinately hinder the healing of skin wounds. Mechanistically, P311 deficiency downregulated the expression of IL-4 receptor on macrophages, followed by less activation of the IL-4 receptor‒signal transducer and activator of transcription 6 signaling pathway, resulting in impaired M2 macrophage polarization. We further revealed that the mTOR signaling pathway was associated with the regulation of P311 on the expression of IL-4 receptor in macrophages. Thus, our study has highlighted the pivotal role of P311 in promoting the M2 polarization of macrophages for effective skin wound healing.
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Affiliation(s)
- Cheng Chen
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Yuanyang Tang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Academy of Biological Engineering, Chongqing University, Chongqing, China
| | - Xudong Zhu
- Key Laboratory of Aging and Cancer Biology of Zhejiang Province, School of Basic Medicine, Hangzhou Normal University, Hangzhou, China
| | - Jiacai Yang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Zhihui Liu
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Yunxia Chen
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Jue Wang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Ruoyu Shang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Wenxia Zheng
- Department of Technical Support, Chengdu Zhijing Technologies, Chengdu, China
| | - Xiaorong Zhang
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Xiaohong Hu
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Jianglin Tan
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Junyi Zhou
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Shiya Peng
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Department of Dermatology, Xinqiao Hospital, Army Military Medical University, Chongqing, China
| | - Qudong Lu
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Department of Urology, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Zhenyu Ju
- Key Laboratory of Regenerative Medicine of Ministry of Education, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
| | - Gaoxing Luo
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China
| | - Weifeng He
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing, China.
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11
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Fu P, Zhang M, Wu M, Zhou W, Yin X, Chen Z, Dan C. Research progress of endogenous hematoma absorption after intracerebral hemorrhage. Front Neurol 2023; 14:1115726. [PMID: 36970539 PMCID: PMC10036389 DOI: 10.3389/fneur.2023.1115726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 02/16/2023] [Indexed: 03/12/2023] Open
Abstract
Non-traumatic intraparenchymal brain hemorrhage is referred to as intracerebral hemorrhage (ICH). Although ICH is associated with a high rate of disability and case fatality, active intervention can significantly lower the rate of severe disability. Studies have shown that the speed of hematoma clearance after ICH determines the patient's prognosis. Following ICH, depending on the hematoma volume and mass effect, either surgical- or medication-only conservative treatment is chosen. The goal of promoting endogenous hematoma absorption is more relevant because surgery is only appropriate for a small percentage of patients, and open surgery can cause additional trauma to patients. The primary method of removing hematoma after ICH in the future will involve understanding how to produce and manage macrophage/microglial endogenous phagocytic hematomas. Therefore, it is necessary to elucidate the regulatory mechanisms and key targets for clinical purposes.
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Affiliation(s)
- Peijie Fu
- Department of Neurology, Clinical Medical School of Jiujiang University, Jiujiang, Jiangxi, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Manqing Zhang
- Medical College of Jiujiang University, Jiujiang, Jiangxi, China
| | - Moxin Wu
- Department of Neurology, Clinical Medical School of Jiujiang University, Jiujiang, Jiangxi, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Weixin Zhou
- Department of Neurology, Clinical Medical School of Jiujiang University, Jiujiang, Jiangxi, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Xiaoping Yin
- Department of Neurology, Clinical Medical School of Jiujiang University, Jiujiang, Jiangxi, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Zhiying Chen
- Department of Neurology, Clinical Medical School of Jiujiang University, Jiujiang, Jiangxi, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
- *Correspondence: Zhiying Chen
| | - Chuanjun Dan
- Emergency Department, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, China
- Chuanjun Dan
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12
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Pan B, Wu X, Zeng X, Chen J, Zhang W, Cheng X, Wan Y, Li X. Transplantation of Wnt4-modified neural stem cells mediate M2 polarization to improve inflammatory micro-environment of spinal cord injury. Cell Prolif 2023:e13415. [PMID: 36747440 PMCID: PMC10392051 DOI: 10.1111/cpr.13415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 02/08/2023] Open
Abstract
Neural stem cells (NSCs) transplantation has been considered as a potential strategy to reconnect the neural circuit after spinal cord injury (SCI) but the therapeutic effect was still unsatisfied because of the poor inflammatory micro-environment of SCI. Previous study reported that neuroprotection and inflammatory immunomodulation were considered to be most important mechanism of NSCs transplantation. In addition, Wnt4 has been considered to be neurogenesis and anti-inflammatory so that it would be an essential assistant agent for NSCs transplantation. Our single cells sequence indicates that macrophages are the most important contributor of inflammatory response after SCI and the interaction between macrophages and astrocytes may be the most crucial to inflammatory microenvironment of SCI. We further report the first piece of evidence to confirm the interaction between Wnt4-modified NSCs and macrophages using NSCs-macrophages co-cultured system. Wnt4-modified NSCs induce M2 polarization and inhibit M1 polarization of macrophages through suppression of TLR4/NF-κB signal pathway; furthermore, M2 cells promote neuronal differentiation of NSCs through MAPK/JNK signal pathway. In vivo, transplantation of Wnt4-modified NSCs improves inflammatory micro-environment through induce M2 polarization and inhibits M1 polarization of macrophages to promote axonal regeneration and tissue repair. The current study indicated that transplantation of Wnt4-modified NSCs mediates M2 polarization of macrophages to promote spinal cord injury repair. Our novel findings would provide more insight of SCI and help with identification of novel treatment strategy.
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Affiliation(s)
- Baiqi Pan
- Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Xiaoyu Wu
- Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Xiaolin Zeng
- Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.,Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiewen Chen
- Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.,Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wenwu Zhang
- Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.,Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xing Cheng
- Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.,Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yong Wan
- Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.,Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiang Li
- Guangdong Province Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.,Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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13
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Controlling Macrophage Polarization to Modulate Inflammatory Cues Using Immune-Switch Nanoparticles. Int J Mol Sci 2022; 23:ijms232315125. [PMID: 36499452 PMCID: PMC9739781 DOI: 10.3390/ijms232315125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
The persistence of inflammatory mediators in tissue niches significantly impacts regenerative outcomes and contributes to chronic diseases. Interleukin-4 (IL4) boosts pro-healing phenotypes in macrophages (Mφ) and triggers the activation of signal transducer and activator of transcription 6 (STAT6). Since the IL4/STAT6 pathway reduces Mφ responsiveness to inflammation in a targeted and precise manner, IL4 delivery offers personalized possibilities to overcome inflammatory events. Despite its therapeutic potential, the limited success of IL4-targeted delivery is hampered by inefficient vehicles. Magnetically assisted technologies offer precise and tunable nanodevices for the delivery of cytokines by combining contactless modulation, high tissue penetration, imaging features, and low interference with the biological environment. Although superparamagnetic iron oxide nanoparticles (SPION) have shown clinical applicability in imaging, SPION-based approaches have rarely been explored for targeted delivery and cell programming. Herein, we hypothesized that SPION-based carriers assist in efficient IL4 delivery to Mφ, favoring a pro-regenerative phenotype (M2φ). Our results confirmed the efficiency of SPION-IL4 and Mφ responsiveness to SPION-IL4 with evidence of STAT6-mediated polarization. SPION-IL4-treated Mφ showed increased expression of M2φ associated-mediators (IL10, ARG1, CCL2, IL1Ra) when compared to the well-established soluble IL4. The ability of SPION-IL4 to direct Mφ polarization using sophisticated magnetic nanotools is valuable for resolving inflammation and assisting innovative strategies for chronic inflammatory conditions.
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14
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Sun Y, Zhou Q, Du Y, Sun J, Bi W, Liu W, Li R, Wu X, Yang F, Song L, Li N, Cui W, Yu Y. Dual Biosignal-Functional Injectable Microspheres for Remodeling Osteogenic Microenvironment. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201656. [PMID: 35419952 DOI: 10.1002/smll.202201656] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Bone defect regeneration depends on the population and lifespan of M2 macrophages, which are regulated by dual signals generated by the "physical" spatial configuration of biological tissues and "molecular" chemokines. Herein, inspired by the reprogramming of macrophages, immunoengineered porous microspheres are constructed to accelerate bone repair through the regulation of both "physical" and "molecular" signals. The porous structure of injectable poly (l-lactic acid) (PLLA) microspheres prepared by the microfluidic technique provides a "physical signal" for osteogenic differentiation. Additionally, interleukin (IL)-4-loaded liposomes (Ls) are modified on PLLA microspheres through amide bonds to produce IL-4/Ls/PLLA microspheres, providing a "molecular signal" in stimulating the differentiation of macrophages to M2 type. It is confirmed that IL-4/Ls/PLLA microspheres could induce M2-macrophages polarization and potentiate osteoblast proliferation and differentiation while coculturing with macrophages and osteoblasts in vitro. Besides, IL-4/Ls/PLLA microspheres are proved to promote bone defect regeneration by inducing the conversion of M1 macrophages to M2 through dual biosignal-functional regulation in both the calvaria defect and maxillary sinus defect models. Overall, the immuno-reprogrammed IL-4/Ls/PLLA microspheres achieve the precise immuno-reprogramming of macrophages by dual biosignal-functional regulation. This immune reengineering strategy paves a way for clinical bone defect treatment.
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Affiliation(s)
- Yang Sun
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Qianrong Zhou
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Yawei Du
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Jian Sun
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Wei Bi
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Wenjuan Liu
- Department of Stomatology, Xuhui Central Hospital, 996 Huaihaizhong Road, Shanghai, 200031, P. R. China
| | - Ruixue Li
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Xingwen Wu
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Fei Yang
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Liang Song
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Ni Li
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Youcheng Yu
- Department of Stomatology, Zhongshan hospital, Fudan University, No. 180 Fenglin road, Shanghai, 200032, China
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15
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Yao G, Bai Z, Niu J, Zhang R, Lu Y, Gao T, Wang H. Astragalin attenuates depression-like behaviors and memory deficits and promotes M2 microglia polarization by regulating IL-4R/JAK1/STAT6 signaling pathway in a murine model of perimenopausal depression. Psychopharmacology (Berl) 2022; 239:2421-2443. [PMID: 35411464 DOI: 10.1007/s00213-022-06133-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/29/2022] [Indexed: 12/28/2022]
Abstract
RATIONALE Neuroinflammation can be alleviated via M2 microglia polarization, which could promote the recovery of perimenopausal depression. Astragalin (AST) possesses anti-neuroinflammatory activity. However, the effects of AST on perimenopausal depression and the molecular mechanism in regulating microglia polarization remained unknown. OBJECTIVES The purpose was to investigate the effects of AST on mice with simulated perimenopausal depression through regulating microglia polarization. It was aimed to clarify the molecular mechanism related to the interleukin-4 receptor (IL-4R)/janus kinase (JAK) 1/signal transducer and activator of transcription (STAT) 6 signaling pathway. METHODS The ovariectomy (OVX)/chronic unpredictable mild stress (CUMS)-induced murine model of perimenopausal depression was established and treated with AST. Then the depression-like behaviors and cognitive ability of mice were examined. After that, we detected the markers of microglia polarization and its regulatory signals. In addition, lipopolysaccharides (LPS)/adenosine triphosphate (ATP)-induced inflammatory BV2 model were used to verify the potential molecular mechanism. RESULTS AST alleviated perimenopausal depression-like behaviors and memory deficits. AST alleviated microglia activation and increased Ki67-positive cells in dentate gyrus (DG). The viability of BV2 decreased by LPS/ATP was raised by AST. Moreover, both in vivo and in vitro, AST switched microglia from M1 phenotype caused by OVX/CUMS or LPS/ATP to M2 phenotype. The IL-4R/JAK1/STAT6 signaling was restored, and the levels of inducible nitric oxide synthase (iNOS), nuclear NF-KappaB-p65 were reduced by AST. Importantly, AST showed prevention against the ubiquitination modification and degradation of STAT6. CONCLUSIONS Our results revealed new insights into molecular mechanism associated with microglia polarization in the effect of AST on the mouse model of perimenopausal depression.
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Affiliation(s)
- Guangda Yao
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China
| | - Zijun Bai
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China
| | - Jianguo Niu
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China
| | - Rui Zhang
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China
| | - Youyuan Lu
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China
| | - Tiantian Gao
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China
| | - Hanqing Wang
- College of Pharmacy, Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Ningxia, Yinchuan, 750004, China. .,Ningxia Engineering and Technology Research Center for Modernization of Regional Characteristic Traditional Chinese Medicine, Ningxia Medical University, Yinchuan, 750004, China. .,Key Laboratory of Hui Ethnic Medicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan, 750004, China.
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16
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Huang C, Wang J, Liu H, Huang R, Yan X, Song M, Tan G, Zhi F. Ketone body β-hydroxybutyrate ameliorates colitis by promoting M2 macrophage polarization through the STAT6-dependent signaling pathway. BMC Med 2022; 20:148. [PMID: 35422042 PMCID: PMC9011974 DOI: 10.1186/s12916-022-02352-x] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/24/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Ketone body β-hydroxybutyrate (BHB) has received more and more attentions, because it possesses a lot of beneficial, life-preserving effects in the fields of clinical science and medicine. However, the role of BHB in intestinal inflammation has not yet been investigated. METHODS Colonic mucosa of inflammatory bowel disease (IBD) patients and healthy controls were collected for evaluation of BHB level. Besides, the therapeutic effect of exogenous BHB in a murine model of acute dextran sulfate sodium (DSS)-induced colitis were assessed by body weight change, colon length, disease activity index, and histopathological sections. The regulatory effectors of BHB were analyzed by RT-qPCR, immunofluorescence, and microbe analysis in vivo. Moreover, the molecular mechanism of BHB was further verified in bone marrow-derived macrophages (BMDMs). RESULTS In this study, significantly reduced BHB levels were found in the colonic mucosa from IBD patients and correlated with IBD activity index. In addition, we demonstrated that the administration of exogenous BHB alleviated the severity of acute experimental colitis, which was characterized by less weight loss, disease activity index, colon shortening, and histology scores, as well as decreased crypt loss and epithelium damage. Furthermore, BHB resulted in significantly increased colonic expression of M2 macrophage-associated genes, including IL-4Ra, IL-10, arginase 1 (Arg-1), and chitinase-like protein 3, following DSS exposure, suggesting an increased M2 macrophage skewing in vivo. Moreover, an in vitro experiment revealed that the addition of BHB directly promoted STAT6 phosphorylation and M2 macrophage-specific gene expression in IL-4-stimulated macrophages. Besides, we found that BHB obviously increased M2 macrophage-induced mucosal repair through promoting intestinal epithelial proliferation. However, the enhancement effect of BHB on M2 macrophage-induced mucosal repair and anti-inflammation was completely inhibited by the STAT6 inhibitor AS1517499. CONCLUSIONS In summary, we show that BHB promotes M2 macrophage polarization through the STAT6-dependent signaling pathway, which contributes to the resolution of intestinal inflammation and the repair of damaged intestinal tissues. Our finding suggests that exogenous BHB supplement may be a useful therapeutic approach for IBD treatment.
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Affiliation(s)
- Chongyang Huang
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jun Wang
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Hongbin Liu
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Ruo Huang
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Xinwen Yan
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Mengyao Song
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Gao Tan
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Fachao Zhi
- Guangdong Provincial Key Laboratory of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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17
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Soliman SSM, El-Labbad EM, Abu-Qiyas A, Fayed B, Hamoda AM, Al-Rawi AM, Dakalbab S, El-Shorbagi ANA, Hamad M, Ibrahim AS, Mohammad MG. Novel Secreted Peptides From Rhizopus arrhizus var. delemar With Immunomodulatory Effects That Enhance Fungal Pathogenesis. Front Microbiol 2022; 13:863133. [PMID: 35387075 PMCID: PMC8977774 DOI: 10.3389/fmicb.2022.863133] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022] Open
Abstract
Secreted fungal peptides are known to influence the interactions between the pathogen and host innate immunity. The aim of this study is to screen and evaluate secreted peptides from the fungus Rhizopus arrhizus var. delemar for their immunomodulatory activity. By using mass spectrometry and immuno-informatics analysis, we identified three secreted peptides CesT (S16), Colicin (S17), and Ca2+/calmodulin-dependent protein kinase/ligand (CAMK/CAMKL; S27). Culturing peripheral blood-derived monocytic macrophages (PBMMs) in the presence of S16 or S17 caused cell clumping, while culturing them with S27 resulted in the formation of spindle-shaped cells. S27-treated PBMMs showed cell cycle arrest at G0 phase and exhibited alternatively activated macrophage phenotype with pronounced reduction in scavenger receptors CD163 and CD206. Homology prediction indicated that IL-4/IL-13 is the immunomodulatory target of S27. Confirming this prediction, S27 initiated macrophage activation through phosphorylation of STAT-6; STAT-6 inhibition reversed the activity of S27 and reduced the formation of spindle-shaped PBMMs. Lastly, S27 treatment of PBMMs was associated with altered expression of key iron regulatory genes including hepcidin, ferroportin, transferrin receptor 1, and ferritin in a pattern consistent with increased cellular iron release; a condition known to enhance Rhizopus infection. Collectively, R. arrhizus var. delemar secretes peptides with immunomodulatory activities that support fungal pathogenesis. Targeting the IL-4/IL-13R/STAT-6 axis is a potential therapeutic approach to enhance the PBMM-mediated fungal phagocytosis. This represents a potential new approach to overcome lethal mucormycosis.
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Affiliation(s)
- Sameh S M Soliman
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | - Eman M El-Labbad
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.,Pharmaceutical Sciences Department, College of Pharmacy, Gulf Medical University, Ajman, United Arab Emirates
| | - Ameera Abu-Qiyas
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,Department of Medical Laboratory Sciences, Collage of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Bahgat Fayed
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,Chemistry of Natural and Microbial Product Department, National Research Centre, Cairo, Egypt
| | - Alshaimaa M Hamoda
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,College of Medicine, University of Sharjah, Sharjah, United Arab Emirates.,Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Ahmed M Al-Rawi
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,Department of Medical Laboratory Sciences, Collage of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Salam Dakalbab
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,Department of Medical Laboratory Sciences, Collage of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Abdel-Nasser A El-Shorbagi
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates.,Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Mawieh Hamad
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,Department of Medical Laboratory Sciences, Collage of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Ashraf S Ibrahim
- Division of Infectious Diseases, The Lundquist Institute for Biomedical Innovation, Harbor-University of California at Los Angeles (UCLA) Medical Center, Torrance, CA, United States.,David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - Mohammad G Mohammad
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.,Department of Medical Laboratory Sciences, Collage of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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18
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Han X, Hu J, Zhao W, Lu H, Dai J, He Q. Hexapeptide induces M2 macrophage polarization via the JAK1/STAT6 pathway to promote angiogenesis in bone repair. Exp Cell Res 2022; 413:113064. [PMID: 35167829 DOI: 10.1016/j.yexcr.2022.113064] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 02/08/2022] [Accepted: 02/11/2022] [Indexed: 01/14/2023]
Abstract
Angiogenesis is essential for successful bone defect repair. In normal tissue repair, the physiological inflammatory response is the main regulator of angiogenesis through the activity of macrophages and the cytokines secreted by them. In particular, M2 macrophages which secrete high levels of PDGF-BB are typically considered to promote angiogenesis. A hexapeptide [WKYMVm, (Trp-Lys-Tyr-Met-Val-D-Met-NH2)] has been reported to modulate inflammatory activities. However, the underlying mechanisms by which WKYMVm regulates macrophages remain unclear. In this study, the possible involvement by which WKYMVm induces the polarization of macrophages and affects their behaviors was evaluated. In vitro results showed that macrophages were induced to an M2 rather than M1 phenotype and the M2 phenotype was enhanced by WKYMVm through activation of the JAK1/STAT6 signaling pathway. It was also found that WKYMVm played an important role in the PDGF-BB production increase and proangiogenic abilities in M2 macrophages. Consistent with the results in vitro, the elevated M2/M0 ratio induced by WKYMVm enhanced the formation of new blood vessels in a femoral defect mouse model. These findings suggest that WKYMVm could be a promising alternative strategy for angiogenesis in bone repair by inducing M2 macrophage polarization.
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Affiliation(s)
- Xinyun Han
- Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China; Department of Orthopedics, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Junxian Hu
- Department of Orthopedics, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Wenbo Zhao
- Department of Orthopedics, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Hongwei Lu
- Department of Orthopedics, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jingjin Dai
- Department of Biomedical Materials Science, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Qingyi He
- Department of Orthopedics, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
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19
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Blaudez F, Ivanovski S, Fournier B, Vaquette C. The utilisation of resolvins in medicine and tissue engineering. Acta Biomater 2022; 140:116-135. [PMID: 34875358 DOI: 10.1016/j.actbio.2021.11.047] [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: 05/07/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/19/2022]
Abstract
Recent advances in the field of regenerative medicine and biomaterial science have highlighted the importance of controlling immune cell phenotypes at the biomaterial interface. These studies have clearly indicated that a rapid resolution of the inflammatory process, mediated by a switch in the macrophage population towards a reparative phenotype, is essential for tissue regeneration to occur. While various biomaterial surfaces have been developed in order to impart immunomodulatory properties to the resulting constructs, an alternative strategy involving the use of reparative biological cues, known as resolvins, is emerging in regenerative medicine. This review reports on the mechanisms via which resolvins participate in the resolution of inflammation and describes their current utilisation in pre-clinical and clinical settings, along with their effectiveness when combined with biomaterial constructs in tissue engineering applications. STATEMENT OF SIGNIFICANCE: The resolution of the inflammatory process is necessary for achieving tissue healing and regeneration. Resolvins are lipid mediators and play a key role in the resolution of the inflammatory response and can be used in as biological cues to promote tissue regeneration. This review describes the various biological inflammatory mechanisms and pathways involving resolvins and how their action results in a pro-healing response. The use of these molecules in the clinical setting is then summarised for various applications along with their limitations. Lastly, the review focuses on the emergence resolvins in tissue engineering products including the use of a more stable form which holds greater prospect for regenerative purposes.
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Affiliation(s)
- Fanny Blaudez
- School of Dentistry and Oral Health, Griffith University, Parklands Dr, Southport QLD 4222, Australia; The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia
| | - Saso Ivanovski
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia
| | - Benjamin Fournier
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia; Université de Paris, Dental Faculty Garanciere, Oral Biology Department, Centre of Reference for Oral Rare Diseases, 5 rue Garanciere, Paris, 75006, France; Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, INSERM UMRS 1138, Molecular Oral Pathophysiology, 15-21 rue de l'école de médecine, 75006 Paris, France
| | - Cedryck Vaquette
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia.
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20
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Zhang Y, Liu Y, Wang J, Jiang Z, Zhang L, Cui Y, Zhao D, Wang Y. Atractylenolide II inhibits tumor-associated macrophages (TAMs)-induced lung cancer cell metastasis. Immunopharmacol Immunotoxicol 2022; 44:227-237. [PMID: 35166628 DOI: 10.1080/08923973.2022.2037629] [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] [Indexed: 01/01/2023]
Abstract
OBJECTIVE M2-like tumor-associated macrophages (TAMs) play a crucial role in promoting tumor proliferation, angiogenesis, and metastasis. In the current study, we investigated the relationship between macrophage polarization and the antitumor effect of Atractylenolide II (AT-II) in lung cancer cells. MATERIALS AND METHODS Cell viability, migration, and invasion were determined by MTT assay, wound healing assay, and transwell assay, respectively. Flow cytometry analysis showed the percentage of CD206+ cells. Gene expression was determined by real-time PCR, western blotting, and immunofluorescence staining. Lewis lung carcinoma mouse xenograft and metastasis models were used to examine the effects of AT-II on lung cancer in vivo. RESULTS AT-II (2.5 and 5 µM) did not cause significant inhibition of A549 cell viability but markedly inhibited IL-4/IL-13-induced M2-like polarization, evidenced by the decreased expression of the M2 surface marker CD206, down-regulation of specific M2-marker genes (Arg-1, IL-10 and TGF-β) as well as inhibition of M2 macrophages-mediated invasion and migration of A549 cells. In addition, AT-II inhibited IL-4/IL-13-induced activation of the STAT6 signaling pathway that is vital in the M2-like polarization of macrophages. In animal models, administration of AT-II (50 mg kg-1, i.g., QD for 21 days) significantly inhibited tumor growth, reduced pulmonary metastatic nodules, and down-regulated the percentages of M2 macrophages (F4/80+ and CD206+) in total macrophages (F4/80+) in tumor tissues and pulmonary metastatic nodules. CONCLUSIONS AT-II effectively inhibits M2-like polarization, thereby inhibiting lung cancer cell metastasis both in vivo and in vitro, revealing a novel potential strategy for the antitumor effect of AT-II.
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Affiliation(s)
- Yunting Zhang
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Yuxi Liu
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Jianguang Wang
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Zongying Jiang
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Lin Zhang
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Yong Cui
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Danyu Zhao
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
| | - Yanjie Wang
- College of Integrated Chinese and Western Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
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21
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Wang Q, Xie B, Liu S, Shi Y, Tao Y, Xiao D, Wang W. What Happens to the Immune Microenvironment After PD-1 Inhibitor Therapy? Front Immunol 2022; 12:773168. [PMID: 35003090 PMCID: PMC8733588 DOI: 10.3389/fimmu.2021.773168] [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: 09/09/2021] [Accepted: 11/23/2021] [Indexed: 12/11/2022] Open
Abstract
The fruitful results of tumor immunotherapy establish its indispensable status in the regulation of the tumorous immune context. It seems that the treatment of programmed cell death receptor 1 (PD-1) blockade is one of the most promising approaches for cancer control. The significant efficacy of PD-1 inhibitor therapy has been made in several cancer types, such as breast cancer, lung cancer, and multiple myeloma. Even so, the mechanisms of how anti-PD-1 therapy takes effect by impacting the immune microenvironment and how partial patients acquire the resistance to PD-1 blockade have yet to be studied. In this review, we discuss the cross talk between immune cells and how they promote PD-1 blockade efficacy. In addition, we also depict factors that may underlie tumor resistance to PD-1 blockade and feasible solutions in combination with it.
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Affiliation(s)
- Qingyi Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,Department of Pathology, School of Basic Medicine, Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Central South University, Changsha, China
| | - Bin Xie
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Shuang Liu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,Department of Pathology, School of Basic Medicine, Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Central South University, Changsha, China
| | - Ying Shi
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,Department of Pathology, School of Basic Medicine, Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Central South University, Changsha, China
| | - Yongguang Tao
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,Department of Pathology, School of Basic Medicine, Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Central South University, Changsha, China.,National Health Commission (NHC) Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, China.,Hunan Key Laboratory of Early Diagnosis and Precision Therapy, Second Xiangya Hospital, Central South University, Changsha, China
| | - Desheng Xiao
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,Department of Pathology, School of Basic Medicine, Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Central South University, Changsha, China
| | - Wenxiang Wang
- Department of the 2nd Department of Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
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22
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Yang W, Lin J, Zhou J, Zheng Y, Jiang S, He S, Li D. Innate Lymphoid Cells and Myocardial Infarction. Front Immunol 2021; 12:758272. [PMID: 34867998 PMCID: PMC8636005 DOI: 10.3389/fimmu.2021.758272] [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: 08/13/2021] [Accepted: 10/27/2021] [Indexed: 11/13/2022] Open
Abstract
Myocardial infarction results from obstruction of a coronary artery that causes insufficient blood supply to the myocardium and leads to ischemic necrosis. It is one of the most common diseases threatening human health and is characterized by high morbidity and mortality. Atherosclerosis is the pathological basis of myocardial infarction, and its pathogenesis has not been fully elucidated. Innate lymphoid cells (ILCs) are an important part of the human immune system and participate in many processes, including inflammation, metabolism and tissue remodeling, and play an important role in atherosclerosis. However, their specific roles in myocardial infarction are unclear. This review describes the current understanding of the relationship between innate lymphoid cells and myocardial infarction during the acute phase of myocardial infarction, myocardial ischemia-reperfusion injury, and heart repair and regeneration following myocardial infarction. We suggest that this review may provide new potential intervention targets and ideas for treatment and prevention of myocardial infarction.
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Affiliation(s)
- Wenling Yang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jibin Lin
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jin Zhou
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuqi Zheng
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shijiu Jiang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaolin He
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dazhu Li
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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23
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Atcha H, Jairaman A, Holt JR, Meli VS, Nagalla RR, Veerasubramanian PK, Brumm KT, Lim HE, Othy S, Cahalan MD, Pathak MM, Liu WF. Mechanically activated ion channel Piezo1 modulates macrophage polarization and stiffness sensing. Nat Commun 2021; 12:3256. [PMID: 34059671 PMCID: PMC8167181 DOI: 10.1038/s41467-021-23482-5] [Citation(s) in RCA: 176] [Impact Index Per Article: 58.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 04/16/2021] [Indexed: 12/12/2022] Open
Abstract
Macrophages perform diverse functions within tissues during immune responses to pathogens and injury, but molecular mechanisms by which physical properties of the tissue regulate macrophage behavior are less well understood. Here, we examine the role of the mechanically activated cation channel Piezo1 in macrophage polarization and sensing of microenvironmental stiffness. We show that macrophages lacking Piezo1 exhibit reduced inflammation and enhanced wound healing responses. Additionally, macrophages expressing the transgenic Ca2+ reporter, Salsa6f, reveal that Ca2+ influx is dependent on Piezo1, modulated by soluble signals, and enhanced on stiff substrates. Furthermore, stiffness-dependent changes in macrophage function, both in vitro and in response to subcutaneous implantation of biomaterials in vivo, require Piezo1. Finally, we show that positive feedback between Piezo1 and actin drives macrophage activation. Together, our studies reveal that Piezo1 is a mechanosensor of stiffness in macrophages, and that its activity modulates polarization responses. Macrophages perform diverse functions during immune responses, but the molecular mechanisms by which physical properties of the tissue regulate macrophage behavior remain unknown. Here the authors find that Piezo1 is a mechanosensor of stiffness, and that its activity modulates macrophage polarization responses.
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Affiliation(s)
- Hamza Atcha
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA
| | - Amit Jairaman
- Department of Physiology and Biophysics, University of California Irvine, Irvine, USA
| | - Jesse R Holt
- Department of Physiology and Biophysics, University of California Irvine, Irvine, USA.,Sue and Bill Gross Stem Cell Research Center, University of California Irvine, Irvine, USA
| | - Vijaykumar S Meli
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA.,Department of Chemical and Biomolecular Engineering, University of California Irvine, Irvine, USA
| | - Raji R Nagalla
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA
| | - Praveen Krishna Veerasubramanian
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA
| | - Kyle T Brumm
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA
| | - Huy E Lim
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA
| | - Shivashankar Othy
- Department of Physiology and Biophysics, University of California Irvine, Irvine, USA
| | - Michael D Cahalan
- Department of Physiology and Biophysics, University of California Irvine, Irvine, USA
| | - Medha M Pathak
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA.,Department of Physiology and Biophysics, University of California Irvine, Irvine, USA.,Sue and Bill Gross Stem Cell Research Center, University of California Irvine, Irvine, USA
| | - Wendy F Liu
- Department of Biomedical Engineering, University of California Irvine, Irvine, USA. .,The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California Irvine, Irvine, USA. .,Department of Chemical and Biomolecular Engineering, University of California Irvine, Irvine, USA.
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24
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Yan S, Wan G. Tumor-associated macrophages in immunotherapy. FEBS J 2021; 288:6174-6186. [PMID: 33492779 DOI: 10.1111/febs.15726] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/23/2020] [Accepted: 01/22/2021] [Indexed: 12/14/2022]
Abstract
Tumor-associated macrophages (TAMs) are essential components of the tumor microenvironment involved in the progression and metastasis of cancer. They are intimately involved in angiogenesis and immunosuppression in normal and malignant tissues, as well as pro-fibrotic activities. With the development of immunotherapy, eradication of cancer cells through activation of the innate immune system has achieved inspiring results, whereas only a handful of patients show a durable response. The tumor-suppressive environment has been investigated with respect to playing a vital role in cancer relapse. In this review, we uncover the heterogeneity of the origin of TAMs, as well as the functions of TAMs in tumor progression associated with intricate regulatory networks in the tumor microenvironment, aiming to inspire therapeutic insight for tumor immunotherapy.
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Affiliation(s)
- Shijia Yan
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, National Engineering Research Center for New Drug and Druggability (Cultivation), Guangdong Province Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Guohui Wan
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, National Engineering Research Center for New Drug and Druggability (Cultivation), Guangdong Province Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
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25
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Bai Y, Yin K, Su T, Ji F, Zhang S. CTHRC1 in Ovarian Cancer Promotes M2-Like Polarization of Tumor-Associated Macrophages via Regulation of the STAT6 Signaling Pathway. Onco Targets Ther 2020; 13:5743-5753. [PMID: 32606786 PMCID: PMC7306458 DOI: 10.2147/ott.s250520] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/18/2020] [Indexed: 12/12/2022] Open
Abstract
Purpose The infiltration of tumor-associated macrophages (TAMs) facilitates the progression of epithelial ovarian cancer (EOC). TAMs are mainly M2-like due to exposure to various factors in the tumor microenvironment. In our previous study, we reported that collagen triple helix repeat containing 1(CTHRC1), a secreted protein, is associated with ovarian cancer progression and metastasis. However, the correlation between CTHRC1 and the immunological microenvironment in EOC remains unknown. Methods The association with the expression of CTHRC1 and CD68+CD163+ TAMs infiltration density and phosphorylation of STAT6 was analyzed in tumor tissues of ovarian cancer patients by immunohistochemistry. Western blot and flow cytometry analysis were used to analyze M2-like macrophage polarization induced by CTHRC1. Cell Counting Kit-8 and adhesion assays were used to detect cell proliferation and adhesion, respectively. Cell migration and invasion were detected using transwell assays. Results In the present study, we observed that the overexpression of CTHRC1 and increased TAMs infiltration density are closely correlated to an advanced stage of EOC. Meanwhile, CTHRC1 expression was positively associated with the infiltration density of M2-like CD68+CD163+TAMs and phosphorylation of STAT6 in EOC. In human PBMC-derived monocytes, recombinant CTHRC1 protein (rCTHRC1) induces an M2-like macrophage phenotype, in a dose-dependent manner, characterized by activating the STAT6 signaling pathway. The conditioned culture medium of Lenti-CTHRC1 EOC cells promoted M2 polarization of macrophages, and by contrast, CTHRC1 knockdown abolished STAT6-mediated M2 polarization of macrophages. Moreover, the culture supernatants of rCTHRC1-treated macrophages efficiently increased the migration and invasion abilities of ovarian cancer cells. Conclusion Our data indicate that CTHRC1 might play an important role in regulating M2 polarization of macrophages in the ovarian tumor microenvironment and suggest that it is a potential therapeutic target for antitumor immunity.
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Affiliation(s)
- Yihan Bai
- Department of Gynecology and Obstetrics, Shanghai Key Laboratory of Gynecology Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Kemin Yin
- Department of Gynecology and Obstetrics, Shanghai Key Laboratory of Gynecology Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Tong Su
- Department of Gynecology and Obstetrics, Shanghai Key Laboratory of Gynecology Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Fang Ji
- Department of Gynecology and Obstetrics, Shanghai Key Laboratory of Gynecology Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Shu Zhang
- Department of Gynecology and Obstetrics, Shanghai Key Laboratory of Gynecology Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
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26
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Shinoda M, Hayashi Y, Kubo A, Iwata K. Pathophysiological mechanisms of persistent orofacial pain. J Oral Sci 2020; 62:131-135. [PMID: 32132329 DOI: 10.2334/josnusd.19-0373] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Nociceptive stimuli to the orofacial region are typically received by the peripheral terminal of trigeminal ganglion (TG) neurons, and noxious orofacial information is subsequently conveyed to the trigeminal spinal subnucleus caudalis and the upper cervical spinal cord (C1-C2). This information is further transmitted to the cortical somatosensory regions and limbic system via the thalamus, which then leads to the perception of pain. It is a well-established fact that the presence of abnormal pain in the orofacial region is etiologically associated with neuroplastic changes that may occur at any point in the pain transmission pathway from the peripheral to the central nervous system (CNS). Recently, several studies have reported that functional plastic changes in a large number of cells, including TG neurons, glial cells (satellite cells, microglia, and astrocytes), and immune cells (macrophages and neutrophils), contribute to the sensitization and disinhibition of neurons in the peripheral and CNS, which results in orofacial pain hypersensitivity.
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Affiliation(s)
| | | | - Asako Kubo
- Department of Physiology, Nihon University School of Dentistry
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry
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27
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Shinoda M, Kubo A, Hayashi Y, Iwata K. Peripheral and Central Mechanisms of Persistent Orofacial Pain. Front Neurosci 2019; 13:1227. [PMID: 31798407 PMCID: PMC6863776 DOI: 10.3389/fnins.2019.01227] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/30/2019] [Indexed: 12/25/2022] Open
Abstract
Neuroplastic changes in the neuronal networks involving the trigeminal ganglion (TG), trigeminal spinal subnucleus caudalis (Vc), and upper cervical spinal cord (C1/C2) are considered the mechanisms underlying the ectopic orofacial hypersensitivity associated with trigeminal nerve injury or orofacial inflammation. It has been reported that peripheral nerve injury causes injury discharges in the TG neurons, and a barrage of action potentials is generated in TG neurons and conveyed to the Vc and C1/C2 after trigeminal nerve injury. Long after trigeminal nerve injury, various molecules are produced in the TG neurons, and these molecules are released from the soma of TG neurons and are transported to the central and peripheral terminals of TG neurons. These changes within the TG cause neuroplastic changes in TG neurons and they become sensitized. The neuronal activity of TG neurons is further accelerated, and Vc and C1/C2 neurons are also sensitized. In addition to this cascade, non-neuronal glial cells are also involved in the enhancement of the neuronal activity of TG, Vc, and C1/C2 neurons. Satellite glial cells and macrophages are activated in the TG after trigeminal nerve injury and orofacial inflammation. Microglial cells and astrocytes are also activated in the Vc and C1/C2 regions. It is considered that functional interaction between non-neuronal cells and neurons in the TG, Vc, and C1/C2 regions is a key mechanism involved in the enhancement of neuronal excitability after nerve injury or inflammation. In this article, the detailed mechanisms underlying ectopic orofacial hyperalgesia associated with trigeminal nerve injury and orofacial inflammation are addressed.
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Affiliation(s)
- Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Asako Kubo
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Yoshinori Hayashi
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
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