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Liao X, Liu J, Guo X, Meng R, Zhang W, Zhou J, Xie X, Zhou H. Origin and Function of Monocytes in Inflammatory Bowel Disease. J Inflamm Res 2024; 17:2897-2914. [PMID: 38764499 PMCID: PMC11100499 DOI: 10.2147/jir.s450801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 04/23/2024] [Indexed: 05/21/2024] Open
Abstract
Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), is a chronic disease resulting from the interaction of various factors such as social elements, autoimmunity, genetics, and gut microbiota. Alarmingly, recent epidemiological data points to a surging incidence of IBD, underscoring an urgent imperative: to delineate the intricate mechanisms driving its onset. Such insights are paramount, not only for enhancing our comprehension of IBD pathogenesis but also for refining diagnostic and therapeutic paradigms. Monocytes, significant immune cells derived from the bone marrow, serve as precursors to macrophages (Mφs) and dendritic cells (DCs) in the inflammatory response of IBD. Within the IBD milieu, their role is twofold. On the one hand, monocytes are instrumental in precipitating the disease's progression. On the other hand, their differentiated offsprings, namely moMφs and moDCs, are conspicuously mobilized at inflammatory foci, manifesting either pro-inflammatory or anti-inflammatory actions. The phenotypic spectrum of these effector cells, intriguingly, is modulated by variables such as host genetics and the subtleties of the prevailing inflammatory microenvironment. Notwithstanding their significance, a palpable dearth exists in the literature concerning the roles and mechanisms of monocytes in IBD pathogenesis. This review endeavors to bridge this knowledge gap. It offers an exhaustive exploration of monocytes' origin, their developmental trajectory, and their differentiation dynamics during IBD. Furthermore, it delves into the functional ramifications of monocytes and their differentiated progenies throughout IBD's course. Through this lens, we aspire to furnish novel perspectives into IBD's etiology and potential therapeutic strategies.
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Affiliation(s)
- Xiping Liao
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
- Department of Gastroenterology, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Ji Liu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou, People’s Republic of China
| | - Xiaolong Guo
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Ruiping Meng
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Wei Zhang
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Jianyun Zhou
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Xia Xie
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
- Department of Gastroenterology, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Hongli Zhou
- Clinical Medical Research Center, the Second Affiliated Hospital, Army Medical University, Chongqing, People’s Republic of China
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Yuan J. CCR2: A characteristic chemokine receptor in normal and pathological intestine. Cytokine 2023; 169:156292. [PMID: 37437448 DOI: 10.1016/j.cyto.2023.156292] [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: 05/10/2023] [Revised: 06/25/2023] [Accepted: 07/01/2023] [Indexed: 07/14/2023]
Abstract
C-C motif chemokine receptor 2 (CCR2), together with its ligands, especially C-C motif ligand 2 (CCL2), to which CCR2 has the highest affinity, form a noteworthy signaling pathway in recruiting macrophages for the immune responses among variegated disorders in vivo environment. Scientometric methods are used to analyze intestine-related CCR2 expression. We describe the current knowledge on biological function of CCR2 in physiological intestine in three dimensions, namely its effects on stromal cells, angiogenesis, and remodeling. However, anomalous expression of CCR2 has also been conveyed to correlate with detrimental outcomes in intestine, such as infective colitis, inflammatory bowel disease, carcinogenesis, and colon-related metastasis. In this article, we briefly summarize recent experimental works on CCR2 and its ligands, mostly CCL2, in intestinal-related physiological and pathological states to ravel out their working mechanisms in intestinal diseases.
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Affiliation(s)
- Jin Yuan
- Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China; State Key Laboratory of Oncology in Southern China, Department of Experimental, Guangzhou, Guangdong, China.
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3
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Shi Y, Zhang H, Li S, Xin D, Li S, Yan B, Wang S, Liu C. Procyanidin improves experimental colitis by regulating macrophage polarization. Biomed Pharmacother 2023; 165:115076. [PMID: 37478578 DOI: 10.1016/j.biopha.2023.115076] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 07/23/2023] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is a chronic disease with an unclear pathogenesis for which successful treatments are still lacking. It has been reported that procyanidin, a natural antioxidant, relieves colitis, but the specific mechanism is elusive. PURPOSE Our present study was designed to investigate the effects of procyanidin on colitis and the regulation of the M1 macrophage phenotype and related signaling pathways. METHODS In vivo, we used two classic colitis models to observe the effect of procyanidin on macrophage polarization. In vitro, we further validated the therapeutic effect of procyanidin in the RAW264.7 cell line and peritoneal macrophages. RESULTS The current findings provide new evidence that procyanidin ameliorated dextran sulfate sodium (DSS)-induced colitis by preventing the polarization of macrophages to the M1 type and downregulating the levels of proinflammatory factors in cells. We also showed that procyanidin prevented lipopolysaccharide (LPS)-induced elevation of inflammatory cytokines and the activation of proinflammatory macrophages, which was achieved by activating the STAT3 and NF-κB pathways. CONCLUSIONS This is the first study to demonstrate that procyanidin alleviates experimental colitis by inhibiting the polarization of proinflammatory macrophages. These data reveal new ideas for the pathogenesis and treatment of inflammatory diseases.
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Affiliation(s)
- Yao Shi
- Department of Physiology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Haojie Zhang
- Department of Physiology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Shuang Li
- Department of Physiology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Danqing Xin
- Department of Physiology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Shiyang Li
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, PR China
| | - Bing Yan
- Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250012, PR China
| | - Shuanglian Wang
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, PR China.
| | - Chuanyong Liu
- Department of Physiology, School of Basic Medical Sciences, Cheeloo Medical College, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong 250012, PR China; Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, PR China.
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4
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Wang W, Jia S, Miao G, Sun Z, Yu F, Gao Z, Li Y. Bioactive glass in the treatment of ulcerative colitis to regulate the TLR4 / MyD88 / NF-κB pathway. BIOMATERIALS ADVANCES 2023; 152:213520. [PMID: 37336008 DOI: 10.1016/j.bioadv.2023.213520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 06/01/2023] [Accepted: 06/10/2023] [Indexed: 06/21/2023]
Abstract
Ulcerative colitis (UC) is a chronic and recurrent intestinal disease of unknown aetiology, and the few treatments approved for UC have serious side effects. In this study, a new type of uniformly monodispersed calcium-enhanced radial mesoporous micro-nano bioactive glass (HCa-MBG) was prepared for UC treatment. We established cellular and rat UC models to explore the effects and mechanism of HCa-MBG and traditional BGs (45S5, 58S) on UC. The results showed that BGs significantly reduced the cellular expression of several inflammatory factors, such as IL-1β, IL-6, TNF-α and NO. In the animal experiments, BGs were shown to repair the DSS-damaged colonic mucosa. Moreover, BGs downregulated the mRNA levels of the inflammatory factors IL-1β, IL-6, TNF-α and iNOS, which were stimulated by DSS. BGs were also found to manage the expression of key proteins in NF-kB signal pathway. However, HCa-MBG was more effective than traditional BGs in terms of improving UC clinical manifestations and reducing the expression of inflammatory factors in rats. This study confirmed for the first time that BGs can be used as an adjuvant drug in UC treatment, thereby preventing UC progression.
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Affiliation(s)
- Wenhao Wang
- Qingdao Hospital, University of Health and Rehabilitation Sciences, Qingdao Municipal Hospital, Qingdao 266071, China; Weifang Medical University, Weifang 261042, China
| | | | - Guohou Miao
- Department of laboratory, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou 510182, China
| | - Zhenmin Sun
- Weifang Medical University, Weifang 261042, China
| | - Feng Yu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, College of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Zhixing Gao
- Weifang Medical University, Weifang 261042, China
| | - Yuli Li
- Qingdao Hospital, University of Health and Rehabilitation Sciences, Qingdao Municipal Hospital, Qingdao 266071, China; School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao 266071, China; Weifang Medical University, Weifang 261042, China.
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CD30L is involved in the regulation of the inflammatory response through inducing homing and differentiation of monocytes via CCL2/CCR2 axis and NF-κB pathway in mice with colitis. Int Immunopharmacol 2022; 110:108934. [PMID: 35834956 DOI: 10.1016/j.intimp.2022.108934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/29/2022] [Accepted: 06/06/2022] [Indexed: 11/24/2022]
Abstract
The pathogenesis of inflammatory bowel diseases (IBD) is complex, and dysregulated immune responses play a pivotal role in its occurrence and development. Our previous studies indicated that CD30L may participate in monocyte-mediated inflammation in patients with UC through the activation of circulating monocytes. However, it remains unclear how CD30L participates in monocyte-mediated inflammation in IBD by activation of circulating monocytes. In this study, we observed an increase in the expression of CD30L and chemokine receptor type 2 (CCR2) on circulating monocytes and pro-inflammatory monocytes in the colon lamina propria in mice with dextran sulfate sodium salt (DSS)-induced colitis. Moreover, there was a positive correlation between the expression levels of CCR2 and CD30L (r = 0.8817, p = 0.0480) in monocytes. In Cd30l-/- mice with DSS-induced colitis, the percentage and absolute number of circulating monocytes and pro-inflammatory monocytes decreased with the downregulation of CCR2. Stimulation via CD30L by immobilized anti-CD30L mAb suppressed the expression of pNF-κB p65, pIκBα, p65 and CCR2 and up-regulated the expression of IκBα in the sorted pro-inflammatory monocytes in Cd30l-/- mice with DSS-induced colitis. The mRNA levels of Ccr2 in the sorted pro-inflammatory monocytes were significantly down-regulated with the presence of immobilized RM153 and inhibitors of NF-κB (BAY 11-7082) in WT mice with DSS-induced colitis. Our results suggested that CD30L could promote the inflammatory response by inducing the homing and differentiation of monocytes via the chemokine ligand 2 (CCL2)/CCR2 axis and NF-κB signaling pathway in mice with colitis. These findings provide a novel target for monocyte-based immunotherapy against IBD.
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Park SM, An JH, Lee JH, Kim KB, Chae HK, Oh YI, Song WJ, Youn HY. Extracellular vesicles derived from DFO-preconditioned canine AT-MSCs reprogram macrophages into M2 phase. PLoS One 2021; 16:e0254657. [PMID: 34310627 PMCID: PMC8312919 DOI: 10.1371/journal.pone.0254657] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/30/2021] [Indexed: 11/30/2022] Open
Abstract
Background Mesenchymal stem/stromal cells (MSCs) are effective therapeutic agents that ameliorate inflammation through paracrine effect; in this regard, extracellular vesicles (EVs) have been frequently studied. To improve the secretion of anti-inflammatory factors from MSCs, preconditioning with hypoxia or hypoxia-mimetic agents has been attempted and the molecular changes in preconditioned MSC-derived EVs explored. In this study, we aimed to investigate the increase of hypoxia-inducible factor 1-alpha (HIF-1α)/cyclooxygenase-2 (COX-2) in deferoxamine (DFO)-preconditioned canine MSC (MSCDFO) and whether these molecular changes were reflected on EVs. Furthermore, we focused on MSCDFO derived EVs (EVDFO) could affect macrophage polarization via the transfer function of EVs. Results In MSCDFO, accumulation of HIF-1α were increased and production of COX-2 were activated. Also, Inside of EVDFO were enriched with COX-2 protein. To evaluate the transferring effect of EVs to macrophage, the canine macrophage cell line, DH82, was treated with EVs after lipopolysaccharide (LPS) stimulation. Polarization changes of DH82 were evaluated with quantitative real-time PCR and immunofluorescence analyses. When LPS-induced DH82 was treated with EVDFO, phosphorylation of signal transducer and transcription3 (p-STAT3), which is one of key factor of inducing M2 phase, expression was increased in DH82. Furthermore, treated with EVDFO in LPS-induced DH82, the expression of M1 markers were reduced, otherwise, M2 surface markers were enhanced. Comparing with EVDFO and EVnon. Conclusion DFO preconditioning in MSCs activated the HIF-1α/COX-2 signaling pathway; Transferring COX-2 through EVDFO could effectively reprogram macrophage into M2 phase by promoting the phosphorylation of STAT3.
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Affiliation(s)
- Su-Min Park
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Ju-Hyun An
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jeong-Hwa Lee
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Kyung-Bo Kim
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hyung-Kyu Chae
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Ye-In Oh
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Woo-Jin Song
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Jeju National University, Jeju, Republic of Korea
- * E-mail: (WJS); (HYY)
| | - Hwa-Young Youn
- Department of Clinical Veterinary Science, Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
- * E-mail: (WJS); (HYY)
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7
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Baart VM, Houvast RD, de Geus-Oei LF, Quax PHA, Kuppen PJK, Vahrmeijer AL, Sier CFM. Molecular imaging of the urokinase plasminogen activator receptor: opportunities beyond cancer. EJNMMI Res 2020; 10:87. [PMID: 32725278 PMCID: PMC7387399 DOI: 10.1186/s13550-020-00673-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/14/2020] [Indexed: 02/07/2023] Open
Abstract
The urokinase plasminogen activator receptor (uPAR) plays a multifaceted role in almost any process where migration of cells and tissue-remodeling is involved such as inflammation, but also in diseases as arthritis and cancer. Normally, uPAR is absent in healthy tissues. By its carefully orchestrated interaction with the protease urokinase plasminogen activator and its inhibitor (plasminogen activator inhibitor-1), uPAR localizes a cascade of proteolytic activities, enabling (patho)physiologic cell migration. Moreover, via the interaction with a broad range of cell membrane proteins, like vitronectin and various integrins, uPAR plays a significant, but not yet completely understood, role in differentiation and proliferation of cells, affecting also disease progression. The implications of these processes, either for diagnostics or therapeutics, have received much attention in oncology, but only limited beyond. Nonetheless, the role of uPAR in different diseases provides ample opportunity to exploit new applications for targeting. Especially in the fields of oncology, cardiology, rheumatology, neurology, and infectious diseases, uPAR-targeted molecular imaging could offer insights for new directions in diagnosis, surveillance, or treatment options.
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Affiliation(s)
- V M Baart
- Department of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - R D Houvast
- Department of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - L F de Geus-Oei
- Department of Radiology, Section of Nuclear Medicine, Leiden University Medical Center, Leiden, The Netherlands.,Biomedical Photonic Imaging Group, University of Twente, Enschede, The Netherlands
| | - P H A Quax
- Department of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - P J K Kuppen
- Department of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - A L Vahrmeijer
- Department of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - C F M Sier
- Department of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands. .,Percuros BV, Leiden, The Netherlands.
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8
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SerpinB2 inhibits migration and promotes a resolution phase signature in large peritoneal macrophages. Sci Rep 2019; 9:12421. [PMID: 31455834 PMCID: PMC6712035 DOI: 10.1038/s41598-019-48741-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 08/12/2019] [Indexed: 12/17/2022] Open
Abstract
SerpinB2 (plasminogen activator inhibitor type 2) has been called the “undecided serpin” with no clear consensus on its physiological role, although it is well described as an inhibitor of urokinase plasminogen activator (uPA). In macrophages, pro-inflammatory stimuli usually induce SerpinB2; however, expression is constitutive in Gata6+ large peritoneal macrophages (LPM). Interrogation of expression data from human macrophages treated with a range of stimuli using a new bioinformatics tool, CEMiTool, suggested that SerpinB2 is most tightly co- and counter-regulated with genes associated with cell movement. Using LPM from SerpinB2−/− and SerpinB2R380A (active site mutant) mice, we show that migration on Matrigel was faster than for their wild-type controls. Confocal microscopy illustrated that SerpinB2 and F-actin staining overlapped in focal adhesions and lamellipodia. Genes associated with migration and extracellular matrix interactions were also identified by RNA-Seq analysis of migrating RPM from wild-type and SerpinB2R380A mice. Subsequent gene set enrichment analyses (GSEA) suggested SerpinB2 counter-regulates many Gata6-regulated genes associated with migration. These data argue that the role of SerpinB2 in macrophages is inhibition of uPA-mediated plasmin generation during cell migration. GSEA also suggested that SerpinB2 expression (likely via ensuing modulation of uPA-receptor/integrin signaling) promotes the adoption of a resolution phase signature.
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9
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Structure-function relationship of an Urokinase Receptor-derived peptide which inhibits the Formyl Peptide Receptor type 1 activity. Sci Rep 2019; 9:12169. [PMID: 31434916 PMCID: PMC6704176 DOI: 10.1038/s41598-019-47900-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 07/23/2019] [Indexed: 12/17/2022] Open
Abstract
The interaction between the short 88Ser-Arg-Ser-Arg-Tyr92 sequence of the urokinase receptor (uPAR) and the formyl peptide receptor type 1 (FPR1) elicits cell migration. We generated the Ac-(D)-Tyr-(D)-Arg-Aib-(D)-Arg-NH2 (RI-3) peptide which inhibits the uPAR/FPR1 interaction, reducing migration of FPR1 expressing cells toward N-formyl-methionyl-leucyl-phenylalanine (fMLF) and Ser-Arg-Ser-Arg-Tyr (SRSRY) peptides. To understand the structural basis of the RI-3 inhibitory effects, the FPR1/fMLF, FPR1/SRSRY and FPR1/RI-3 complexes were modeled and analyzed, focusing on the binding pocket of FPR1 and the interaction between the amino acids that signal to the FPR1 C-terminal loop. We found that RI-3 shares the same binding site of fMLF and SRSRY on FPR1. However, while fMLF and SRSRY display the same agonist activation signature (i.e. the series of contacts that transmit the conformational transition throughout the complex), translating binding into signaling, RI-3 does not interact with the activation region of FPR1 and hence does not activate signaling. Indeed, fluorescein-conjugated RI-3 prevents either fMLF and SRSRY uptake on FPR1 without triggering FPR1 internalization and cell motility in the absence of any stimulus. Collectively, our data show that RI-3 is a true FPR1 antagonist and suggest a pharmacophore model useful for development of compounds that selectively inhibit the uPAR-triggered, FPR1-mediated cell migration.
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10
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Tian X, Peng Z, Luo S, Zhang S, Li B, Zhou C, Fan H. Aesculin protects against DSS-Induced colitis though activating PPARγ and inhibiting NF-кB pathway. Eur J Pharmacol 2019; 857:172453. [PMID: 31202807 DOI: 10.1016/j.ejphar.2019.172453] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 06/10/2019] [Accepted: 06/12/2019] [Indexed: 01/19/2023]
Abstract
Aesculin, a natural product from the traditional and widely-used Chinese medicine named Cortex fraxini, has attracted attention as a novel therapeutic modulator of inflammation. However, little is known about its effect on ulcerative colitis (UC). This study aimed to investigate the protective effects and mechanisms of aesculin on colitis. The results showed that, few cytotoxicity of aesculin were shown in vivo and in the RAW264.7 macrophages, while aesculin significantly relieved the symptoms of DSS-induced colitis and restrained the expression of inflammatory factors including iNOS, IL-1β, TNF-α in both peritoneal macrophages and colonic tissues from DSS-induced mice and RAW264.7 macrophages. Of note, aesculin attenuated the activity of NF-κB signaling while promoted the nuclear localization of PPAR-γ in both rectal tissues from DSS-induced mice and LPS-stimulated macrophages. These findings demonstrated that the protection of aesculin against ulcerative colitis might be due to its regulation on the PPAR-γ and NF-κB pathway. Thus, aesculin could serve as a potential therapeutic agent for the treatment of ulcerative colitis.
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Affiliation(s)
- Xinlei Tian
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Zhonglu Peng
- Key Laboratory of Universities in Hunan Province on Cardiovascular and Cerebrovascular Natural Drugs Research, Department of Pharmacology, Xiangnan University, Chenzhou, 423000, PR China
| | - Shangpeng Luo
- Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Shaolong Zhang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Baohui Li
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Changlin Zhou
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China.
| | - Hongye Fan
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China.
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11
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Ingangi V, Bifulco K, Yousif AM, Ragone C, Motti ML, Rea D, Minopoli M, Botti G, Scognamiglio G, Fazioli F, Gallo M, De Chiara A, Arra C, Grieco P, Carriero MV. The urokinase receptor-derived cyclic peptide [SRSRY] suppresses neovascularization and intravasation of osteosarcoma and chondrosarcoma cells. Oncotarget 2018; 7:54474-54487. [PMID: 27323409 PMCID: PMC5342356 DOI: 10.18632/oncotarget.9976] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 05/20/2016] [Indexed: 12/18/2022] Open
Abstract
The receptor for the urokinase-type plasminogen activator (uPAR) is a widely recognized master regulator of cell migration and uPAR88–92 is the minimal sequence required to induce cell motility and angiogenesis by interacting with the formyl peptide receptor type 1 (FPR1). In this study, we present evidence that the cyclization of the uPAR88–92 sequence generates a new potent inhibitor of migration, and extracellular matrix invasion of human osteosarcoma and chondrosarcoma cells expressing comparable levels of FPR1 on cell surface. In vitro, the cyclized peptide [SRSRY] prevents formation of capillary-like tubes by endothelial cells co-cultured with chondrosarcoma cells and trans-endothelial migration of osteosarcoma and chondrosarcoma cells. When chondrosarcoma cells were subcutaneously injected in nude mice, tumor size, intra-tumoral microvessel density and circulating tumor cells in blood samples collected before the sacrifice, were significantly reduced in animals treated daily with i.p-administration of 6 mg/Kg [SRSRY] as compared to animals treated with vehicle only. Our findings indicate that [SRSRY] prevents three key events occurring during the metastatic process of osteosarcoma and chondrosarcoma cells: the extracellular matrix invasion, the formation of a capillary network and the entry into bloodstream.
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Affiliation(s)
- Vincenzo Ingangi
- Neoplastic Progression Unit, Department of Experimental Oncology, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy.,SUN Second University of Naples, Naples, Italy
| | - Katia Bifulco
- Neoplastic Progression Unit, Department of Experimental Oncology, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | | | - Concetta Ragone
- Neoplastic Progression Unit, Department of Experimental Oncology, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy.,SUN Second University of Naples, Naples, Italy
| | | | - Domenica Rea
- Animal Facility, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Michele Minopoli
- Neoplastic Progression Unit, Department of Experimental Oncology, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Giovanni Botti
- Neoplastic Progression Unit, Department of Experimental Oncology, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Giuseppe Scognamiglio
- Pathology Unit, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Flavio Fazioli
- Surgery Unit, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Michele Gallo
- Surgery Unit, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Annarosaria De Chiara
- Pathology Unit, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Claudio Arra
- Animal Facility, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
| | - Paolo Grieco
- Department of Pharmacy, University Federico II, Naples, Italy
| | - Maria Vincenza Carriero
- Neoplastic Progression Unit, Department of Experimental Oncology, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Naples, Italy
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(+)-Borneol improves the efficacy of edaravone against DSS-induced colitis by promoting M2 macrophages polarization via JAK2-STAT3 signaling pathway. Int Immunopharmacol 2017; 53:1-10. [DOI: 10.1016/j.intimp.2017.10.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/27/2017] [Accepted: 10/01/2017] [Indexed: 12/15/2022]
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Exosomes Derived from Human Umbilical Cord Mesenchymal Stem Cells Relieve Inflammatory Bowel Disease in Mice. BIOMED RESEARCH INTERNATIONAL 2017; 2017:5356760. [PMID: 28589143 PMCID: PMC5447283 DOI: 10.1155/2017/5356760] [Citation(s) in RCA: 144] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 03/06/2017] [Accepted: 03/14/2017] [Indexed: 12/16/2022]
Abstract
Exosomes secreted by mesenchymal stem cells (MSCs) have shown repairing effects on several tissue injury diseases. In this study, we aimed to investigate the effects of exosomes released from human umbilical cord mesenchymal stem cells (hucMSCs) on the treatment of dextran sulfate sodium- (DSS-) induced inflammatory bowel disease (IBD) and to explore the underlying mechanism. We found that indocyanine green (ICG) labeled exosomes homed to colon tissues of IBD mice at 12 hours after injection. Exosomes significantly relieved the severity of IBD in mice as hucMSCs. The expression of IL-10 gene was increased while that of TNF-α, IL-1β, IL-6, iNOS, and IL-7 genes was decreased in the colon tissues and spleens of exosomes-treated mice. Furthermore, the infiltration of macrophages into the colon tissues was decreased by exosome treatment in IBD mice. In addition, we provided evidence that in vitro coculture with exosomes inhibited the expression of iNOS and IL-7 in mouse enterocoelia macrophages. Moreover, we found that the expression of IL-7 was higher in the colon tissues of colitis patients than that of healthy controls. Our findings suggest that exosomes from hucMSCs have profound effects on alleviating DSS-induced IBD and may exert their impact through the modulation of IL-7 expression in macrophages.
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Mao F, Wu Y, Tang X, Wang J, Pan Z, Zhang P, Zhang B, Yan Y, Zhang X, Qian H, Xu W. Human umbilical cord mesenchymal stem cells alleviate inflammatory bowel disease through the regulation of 15-LOX-1 in macrophages. Biotechnol Lett 2017; 39:929-938. [DOI: 10.1007/s10529-017-2315-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 02/23/2017] [Indexed: 01/05/2023]
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Short peptides interfering with signaling pathways as new therapeutic tools for cancer treatment. Future Med Chem 2017; 9:199-221. [PMID: 28111982 DOI: 10.4155/fmc-2016-0189] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Short peptides have many advantages, such as low molecular weight, selectivity for a specific target, organelles or cells with minimal toxicity. We describe properties of short peptides, which interfere with communication networks in tumor cells and within microenvironment of malignant gliomas, the most common brain tumors. We focus on ligand/receptor axes and intracellular signaling pathways critical for gliomagenesis that could be targeted with interfering peptides. We review structures and efficacy of organelle-specific and cell-penetrating peptides and describe diverse chemical modifications increasing proteolytic stability and protecting synthetic peptides against degradation. We report results of application of short peptides in glioma therapy clinical trials, their rises and falls. The most advanced examples of therapeutics such as short interfering peptides combined with cell-penetrating peptides that show good effectiveness in disease models are presented. It is foreseen that identification of peptides with better clinical properties may improve their success rates in clinical trials.
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