1
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Grazda R, Seyfried AN, Maddipati KR, Fredman G, MacNamara KC. Resolvin E1 improves efferocytosis and rescues severe aplastic anemia in mice. Cell Death Dis 2024; 15:324. [PMID: 38724533 PMCID: PMC11082201 DOI: 10.1038/s41419-024-06705-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/12/2024]
Abstract
Severe aplastic anemia (SAA) is a rare, fatal disease characterized by severe cytopenias and loss of hematopoietic stem cells (HSCs). Immune-mediated destruction and inflammation are known drivers of SAA, however, the underlying mechanisms driving persistent inflammation are unknown. Current treatments for SAA rely on immunosuppressive therapies or HSC transplantation, however, these treatments are not always effective. Using an established mouse model of SAA, we observed a significant increase in apoptotic cells within the bone marrow (BM) and impaired efferocytosis in SAA mice, relative to radiation controls. Single-cell transcriptomic analysis revealed heterogeneity among BM monocytes and unique populations emerged during SAA characterized by increased inflammatory signatures and significantly increased expression of Sirpa and Cd47. CD47, a "don't eat me" signal, was increased on both live and apoptotic BM cells, concurrent with markedly increased expression of signal regulatory protein alpha (SIRPα) on monocytes. Functionally, SIRPα blockade improved cell clearance and reduced accumulation of CD47-positive apoptotic cells. Lipidomic analysis revealed a reduction in the precursors of specialized pro-resolving lipid mediators (SPMs) and increased prostaglandins in the BM during SAA, indicative of impaired inflammation resolution. Specifically, 18-HEPE, a precursor of E-series resolvins, was significantly reduced in SAA-induced mice relative to radiation controls. Treatment of SAA mice with Resolvin E1 (RvE1) improved efferocytic function, BM cellularity, platelet output, and survival. Our data suggest that impaired efferocytosis and inflammation resolution contributes to SAA progression and demonstrate that SPMs, such as RvE1, offer new and/or complementary treatments for SAA that do not rely on immune suppression.
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Affiliation(s)
- Rachel Grazda
- Department of Immunology and Microbiology, Albany Medical College, Albany, NY, USA
| | - Allison N Seyfried
- Department of Immunology and Microbiology, Albany Medical College, Albany, NY, USA
- Institute for Clinical Pharmacodynamics, Schenectady, NY, USA
| | - Krishna Rao Maddipati
- Department of Pathology, Lipidomics Core Facility, Wayne State University, Detroit, MI, USA
| | - Gabrielle Fredman
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA
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2
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Costantini E, Aielli L, Gualdi G, Baronio M, Monari P, Amerio P, Reale M. Pulsed Radiofrequency Electromagnetic Fields as Modulators of Inflammation and Wound Healing in Primary Dermal Fibroblasts of Ulcers. Bioengineering (Basel) 2024; 11:357. [PMID: 38671778 PMCID: PMC11047973 DOI: 10.3390/bioengineering11040357] [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: 02/19/2024] [Revised: 03/26/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
Venous leg ulcers are one of the most common nonhealing conditions and represent an important clinical problem. The application of pulsed radiofrequency electromagnetic fields (PRF-EMFs), already applied for pain, inflammation, and new tissue formation, can represent a promising approach for venous leg ulcer amelioration. This study aims to evaluate the effect of PRF-EMF exposure on the inflammatory, antioxidant, cell proliferation, and wound healing characteristics of human primary dermal fibroblasts collected from venous leg ulcer patients. The cells' proliferative and migratory abilities were evaluated by means of a BrdU assay and scratch assay, respectively. The inflammatory response was investigated through TNFα, TGFβ, COX2, IL6, and IL1β gene expression analysis and PGE2 and IL1β production, while the antioxidant activity was tested by measuring GSH, GSSG, tGSH, and GR levels. This study emphasizes the ability of PRF-EMFs to modulate the TGFβ, COX2, IL6, IL1β, and TNFα gene expression in exposed ulcers. Moreover, it confirms the improvement of the proliferative index and wound healing ability presented by PRF-EMFs. In conclusion, exposure to PRF-EMFs can represent a strategy to help tissue repair, regulating mediators involved in the wound healing process.
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Affiliation(s)
- Erica Costantini
- Department of Medicine and Aging Sciences, University “G. d’Annunzio”, 66100 Chieti, Italy; (G.G.); (P.A.)
| | - Lisa Aielli
- Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio”, 66100 Chieti, Italy; (L.A.); (M.R.)
| | - Giulio Gualdi
- Department of Medicine and Aging Sciences, University “G. d’Annunzio”, 66100 Chieti, Italy; (G.G.); (P.A.)
| | - Manuela Baronio
- Pediatrics Clinic and Institute for Molecular Medicine A. Novivelli, Department of Clinical and Expermental Sciences, University of Brescia and ASST-Spedali Civili of Brescia, 25123 Brescia, Italy;
| | - Paola Monari
- Department of Dermatology, Spedali Civili of Brescia, 25123 Brescia, Italy;
| | - Paolo Amerio
- Department of Medicine and Aging Sciences, University “G. d’Annunzio”, 66100 Chieti, Italy; (G.G.); (P.A.)
| | - Marcella Reale
- Department of Innovative Technologies in Medicine and Dentistry, University “G. d’Annunzio”, 66100 Chieti, Italy; (L.A.); (M.R.)
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3
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Bekauri T, Fischer S, Honn KV, Maddipati KR, Love T, Little C, Wood RW, Bonham AD, Linder MA, Yule DI, Emanuelle C, Falsetta ML. Inflammation, lipid dysregulation, and transient receptor potential cation channel subfamily V member 4 signaling perpetuate chronic vulvar pain. Pain 2024; 165:820-837. [PMID: 37889581 PMCID: PMC10949218 DOI: 10.1097/j.pain.0000000000003088] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/19/2023] [Accepted: 08/23/2023] [Indexed: 10/29/2023]
Abstract
ABSTRACT Localized provoked vulvodynia is characterized by chronic vulvar pain that disrupts every aspect of the patient's life. Pain is localized to the vulvar vestibule, a specialized ring of tissue immediately surrounding the vaginal opening involved in immune defense. In this article, we show inflammation is the critical first step necessary for the generation of pain signals in the vulva. Inflammatory stimuli alone or combined with the transient receptor potential cation channel subfamily V member 4 (TRPV4) agonist 4α-phorbol 12,13-didecanoate stimulate calcium flux into vulvar fibroblast cells. Activity is blocked by the TRPV4 antagonist HC067047, denoting specificity to TRPV4. Using lipidomics, we found pro-resolving lipids in the vulvar vestibule were dysregulated, characterized by a reduction in pro-resolving mediators and heightened production of inflammatory mediators. We demonstrate specialized pro-resolving mediators represent a potential new therapy for vulvar pain, acting on 2 key parts of the disease mechanism by limiting inflammation and acutely inhibiting TRPV4 signaling.
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Affiliation(s)
- Tamari Bekauri
- OB/GYN Research Division, University of Rochester, Rochester, NY, United States
| | - Sarah Fischer
- OB/GYN Research Division, University of Rochester, Rochester, NY, United States
| | - Kenneth V. Honn
- Pathology Department, Wayne State University, Detroit, MI, United States
- Lipidomics Core Facility and Bioactive Lipids Research Program, Wayne State University, Detroit, MI, United States
| | - Krishna Rao Maddipati
- Pathology Department, Wayne State University, Detroit, MI, United States
- Lipidomics Core Facility and Bioactive Lipids Research Program, Wayne State University, Detroit, MI, United States
| | - Tanzy Love
- Department of Biostatistics and Computational Biology, University of Rochester, Rochester, NY, United States
| | - Chantelle Little
- OB/GYN Research Division, University of Rochester, Rochester, NY, United States
| | - Ronald W. Wood
- OB/GYN Research Division, University of Rochester, Rochester, NY, United States
| | - Adrienne D. Bonham
- OB/GYN Department, Oregon Health Sciences University, Portland, OR, United States
| | - Mitchell A. Linder
- OB/GYN Research Division, University of Rochester, Rochester, NY, United States
| | - David I. Yule
- Pharmacology and Physiology Department, University of Rochester, Rochester, NY, United States
| | - Chrysilla Emanuelle
- Pharmacology and Physiology Department, University of Rochester, Rochester, NY, United States
| | - Megan L. Falsetta
- OB/GYN Research Division, University of Rochester, Rochester, NY, United States
- Pharmacology and Physiology Department, University of Rochester, Rochester, NY, United States
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4
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Fang Y, Xiang W, Cui J, Jiao B, Su X. Anti-Inflammatory Properties of the Citrus Flavonoid Diosmetin: An Updated Review of Experimental Models. Molecules 2024; 29:1521. [PMID: 38611801 PMCID: PMC11013832 DOI: 10.3390/molecules29071521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024] Open
Abstract
Inflammation is an essential contributor to various human diseases. Diosmetin (3',5,7-trihydroxy-4'-methoxyflavone), a citrus flavonoid, can be used as an anti-inflammatory agent. All the information in this article was collected from various research papers from online scientific databases such as PubMed and Web of Science. These studies have demonstrated that diosmetin can slow down the progression of inflammation by inhibiting the production of inflammatory mediators through modulating related pathways, predominantly the nuclear factor-κB (NF-κB) signaling pathway. In this review, we discuss the anti-inflammatory properties of diosmetin in cellular and animal models of various inflammatory diseases for the first time. We have identified some deficiencies in current research and offer suggestions for further advancement. In conclusion, accumulating evidence so far suggests a very important role for diosmetin in the treatment of various inflammatory disorders and suggests it is a candidate worthy of in-depth investigation.
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Affiliation(s)
- Yangyang Fang
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China; (Y.F.); (W.X.); (J.C.)
| | - Wei Xiang
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China; (Y.F.); (W.X.); (J.C.)
| | - Jinwei Cui
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China; (Y.F.); (W.X.); (J.C.)
| | - Bining Jiao
- Key Laboratory of Quality and Safety Control for Citrus Fruits, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing 400712, China;
| | - Xuesu Su
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China; (Y.F.); (W.X.); (J.C.)
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5
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Brady A, Sheneman KR, Pulsifer AR, Price SL, Garrison TM, Maddipati KR, Bodduluri SR, Pan J, Boyd NL, Zheng JJ, Rai SN, Hellmann J, Haribabu B, Uriarte SM, Lawrenz MB. Type 3 secretion system induced leukotriene B4 synthesis by leukocytes is actively inhibited by Yersinia pestis to evade early immune recognition. PLoS Pathog 2024; 20:e1011280. [PMID: 38271464 PMCID: PMC10846697 DOI: 10.1371/journal.ppat.1011280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 02/06/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
Subverting the host immune response to inhibit inflammation is a key virulence strategy of Yersinia pestis. The inflammatory cascade is tightly controlled via the sequential action of lipid and protein mediators of inflammation. Because delayed inflammation is essential for Y. pestis to cause lethal infection, defining the Y. pestis mechanisms to manipulate the inflammatory cascade is necessary to understand this pathogen's virulence. While previous studies have established that Y. pestis actively inhibits the expression of host proteins that mediate inflammation, there is currently a gap in our understanding of the inflammatory lipid mediator response during plague. Here we used the murine model to define the kinetics of the synthesis of leukotriene B4 (LTB4), a pro-inflammatory lipid chemoattractant and immune cell activator, within the lungs during pneumonic plague. Furthermore, we demonstrated that exogenous administration of LTB4 prior to infection limited bacterial proliferation, suggesting that the absence of LTB4 synthesis during plague contributes to Y. pestis immune evasion. Using primary leukocytes from mice and humans further revealed that Y. pestis actively inhibits the synthesis of LTB4. Finally, using Y. pestis mutants in the Ysc type 3 secretion system (T3SS) and Yersinia outer protein (Yop) effectors, we demonstrate that leukocytes recognize the T3SS to initiate the rapid synthesis of LTB4. However, several Yop effectors secreted through the T3SS effectively inhibit this host response. Together, these data demonstrate that Y. pestis actively inhibits the synthesis of the inflammatory lipid LTB4 contributing to the delay in the inflammatory cascade required for rapid recruitment of leukocytes to sites of infection.
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Affiliation(s)
- Amanda Brady
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Katelyn R. Sheneman
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Amanda R. Pulsifer
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Sarah L. Price
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Taylor M. Garrison
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Krishna Rao Maddipati
- Department of Pathology, Lipidomics Core Facility, Wayne State University, Detroit, Michigan, United States of America
| | - Sobha R. Bodduluri
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Jianmin Pan
- Biostatistics and Bioinformatics Facility, Brown Cancer Center, University of Louisville, Louisville, Kentucky, United States of America
| | - Nolan L. Boyd
- Center for Cardiometabolic Science, Christina Lee Brown Environment Institute, Division of Environmental Medicine, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Jing-Juan Zheng
- Center for Cardiometabolic Science, Christina Lee Brown Environment Institute, Division of Environmental Medicine, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Shesh N. Rai
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Jason Hellmann
- Center for Cardiometabolic Science, Christina Lee Brown Environment Institute, Division of Environmental Medicine, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Bodduluri Haribabu
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
| | - Silvia M. Uriarte
- Deptartment of Oral Immunology & Infectious Diseases, University of Louisville, Louisville, Kentucky, United States of America
| | - Matthew B. Lawrenz
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, Kentucky, United States of America
- Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, Louisville, Kentucky, United States of America
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6
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Grazda R, Seyfried AN, Maddipatti KR, Fredman G, MacNamara KC. Resolvin E1 improves efferocytosis and rescues severe aplastic anemia in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.15.528688. [PMID: 36909559 PMCID: PMC10002513 DOI: 10.1101/2023.02.15.528688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Current treatments for severe aplastic anemia (SAA) rely on hematopoietic stem cell (HSC) transplantation and immunosuppressive therapies, however these treatments are not always effective. While immune-mediated destruction and inflammation are known drivers of SAA, the underlying mechanisms that lead to persistent inflammation are unknown. Using an established mouse model of SAA, we observed a significant increase in apoptotic cells within the bone marrow (BM) and demonstrate impaired efferocytosis in SAA mice, as compared to radiation controls. Single-cell transcriptomic analysis revealed heterogeneity among BM monocytes and unique populations emerged during SAA characterized by increased inflammatory signatures and significantly increased expression of Sirpa and Cd47. CD47, a "don't eat me" signal, was increased on both live and apoptotic BM cells, concurrent with markedly increased expression of signal regulatory protein alpha (SIRPα) on monocytes. Functionally, SIRPα blockade improved cell clearance and reduced accumulation of CD47-positive apoptotic cells. Lipidomic analysis revealed a reduction in the precursors of specialized pro-resolving lipid mediators (SPMs) and increased prostaglandins in the BM during SAA, indicative of impaired inflammation resolution. Specifically, 18-HEPE, a precursor of E-series resolvins, was significantly reduced in SAA-induced mice relative to radiation controls. Treatment of SAA mice with Resolvin E1 (RvE1) improved efferocytic function, BM cellularity, platelet output, and survival. Our data suggest that impaired efferocytosis and inflammation resolution contributes to SAA progression and demonstrate that SPMs, such as RvE1, offer new and/or complementary treatments for SAA that do not rely on immune suppression.
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Affiliation(s)
- Rachel Grazda
- Department of Immunology and Microbiology, Albany Medical College, Albany, New York, USA
| | - Allison N. Seyfried
- Department of Immunology and Microbiology, Albany Medical College, Albany, New York, USA
- Current address: Institute for Clinical Pharmacodynamics, Schenectady, NY, USA
| | - Krishna Rao Maddipatti
- Department of Pathology, Lipidomics Core Facility, Wayne State University, Detroit, Michigan, USA
| | - Gabrielle Fredman
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, USA
| | - Katherine C. MacNamara
- Department of Immunology and Microbiology, Albany Medical College, Albany, New York, USA
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7
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Falsetta ML, Maddipati KR, Honn KV. Inflammation, lipids, and pain in vulvar disease. Pharmacol Ther 2023; 248:108467. [PMID: 37285943 PMCID: PMC10527276 DOI: 10.1016/j.pharmthera.2023.108467] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 06/09/2023]
Abstract
Localized provoked vulvodynia (LPV) affects ∼14 million people in the US (9% of women), destroying lives and relationships. LPV is characterized by chronic pain (>3 months) upon touch to the vulvar vestibule, which surrounds the vaginal opening. Many patients go months or years without a diagnosis. Once diagnosed, the treatments available only manage the symptoms of disease and do not correct the underlying problem. We have focused on elucidating the underlying mechanisms of chronic vulvar pain to speed diagnosis and improve intervention and management. We determined the inflammatory response to microorganisms, even members of the resident microflora, sets off a chain of events that culminates in chronic pain. This agrees with findings from several other groups, which show inflammation is altered in the painful vestibule. The vestibule of patients is acutely sensitive to inflammatory stimuli to the point of being deleterious. Rather than protect against vaginal infection, it causes heightened inflammation that does not resolve, which coincides with alterations in lipid metabolism that favor production of proinflammatory lipids and not pro-resolving lipids. Lipid dysbiosis in turn triggers pain signaling through the transient receptor potential vanilloid subtype 4 receptor (TRPV4). Treatment with specialized pro-resolving mediators (SPMs) that foster resolution reduces inflammation in fibroblasts and mice and vulvar sensitivity in mice. SPMs, specifically maresin 1, act on more than one part of the vulvodynia mechanism by limiting inflammation and acutely inhibiting TRPV4 signaling. Therefore, SPMs or other agents that target inflammation and/or TRPV4 signaling could prove effective as new vulvodynia therapies.
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Affiliation(s)
- Megan L Falsetta
- University of Rochester, OB/GYN Research Division, Rochester, NY, United States of America; University of Rochester, Pharmacology and Physiology Department, Rochester, NY, United States of America.
| | - Krishna Rao Maddipati
- Wayne State University, Pathology Department, Detroit, MI, United States of America; Wayne State University, Lipidomics Core Facility and Bioactive Lipids Research Program, Detroit, MI, United States of America
| | - Kenneth V Honn
- Wayne State University, Pathology Department, Detroit, MI, United States of America; Wayne State University, Lipidomics Core Facility and Bioactive Lipids Research Program, Detroit, MI, United States of America
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8
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Wautier JL, Wautier MP. Pro- and Anti-Inflammatory Prostaglandins and Cytokines in Humans: A Mini Review. Int J Mol Sci 2023; 24:ijms24119647. [PMID: 37298597 DOI: 10.3390/ijms24119647] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/18/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Inflammation has been described for two millennia, but cellular aspects and the paradigm involving different mediators have been identified in the recent century. Two main groups of molecules, the prostaglandins (PG) and the cytokines, have been discovered and play a major role in inflammatory processes. The activation of prostaglandins PGE2, PGD2 and PGI2 results in prominent symptoms during cardiovascular and rheumatoid diseases. The balance between pro- and anti-inflammatory compounds is nowadays a challenge for more targeted therapeutic approaches. The first cytokine was described more than a century ago and is now a part of different families of cytokines (38 interleukins), including the IL-1 and IL-6 families and TNF and TGFβ families. Cytokines can perform a dual role, being growth promotors or inhibitors and having pro- and anti-inflammatory properties. The complex interactions between cytokines, vascular cells and immune cells are responsible for dramatic conditions and lead to the concept of cytokine storm observed during sepsis, multi-organ failure and, recently, in some cases of COVID-19 infection. Cytokines such as interferon and hematopoietic growth factor have been used as therapy. Alternatively, the inhibition of cytokine functions has been largely developed using anti-interleukin or anti-TNF monoclonal antibodies in the treatment of sepsis or chronic inflammation.
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Affiliation(s)
- Jean-Luc Wautier
- Faculté de Médecine, Université Denis Diderot Paris Cité, 75013 Paris, France
| | - Marie-Paule Wautier
- Faculté de Médecine, Université Denis Diderot Paris Cité, 75013 Paris, France
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9
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Paprocka R, Wiese-Szadkowska M, Kołodziej P, Kutkowska J, Balcerowska S, Bogucka-Kocka A. Evaluation of Biological Activity of New 1,2,4-Triazole Derivatives Containing Propionic Acid Moiety. Molecules 2023; 28:molecules28093808. [PMID: 37175218 PMCID: PMC10180335 DOI: 10.3390/molecules28093808] [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: 03/31/2023] [Revised: 04/21/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
To this day, the quest to find new drugs is still a challenge due to the growing demands of patients suffering from chronic inflammatory diseases and the need for the individualization of therapy. The aim of this research was to synthesize new 1,2,4-triazole derivatives containing propanoic acid moiety and to investigate their anti-inflammatory, antibacterial and anthelmintic activity. Compounds 3a-3g were obtained in reactions of amidrazones 1a-1g with succinic anhydride. Several analyses of proton and carbon nuclear magnetic resonance (1H NMR, 13C NMR, respectively), as well as high-resolution mass spectra (HRMS), confirmed the structures of 1,2,4-triazole derivatives 3a-3g. Toxicity, antiproliferative activity and influence on cytokine release (TNF-α: Tumor Necrosis Factor-α, IL-6: Interleukin-6, IFN-γ: Interferon-γ, and IL-10: Interleukin-10) of the compounds 3a-3g were evaluated in peripheral blood mononuclear cells culture. Moreover, mitogen-stimulated cell culture was used for biological activity tests. The antimicrobial and anthelmintic activity of derivatives 3a-3g were studied against Gram-positive and Gram-negative bacterial strains and Rhabditis sp. culture. Despite the lack of toxicity, compounds 3a-3g significantly reduced the level of TNF-α. Derivatives 3a, 3c and 3e also decreased the release of IFN-γ. Taking all of the results into consideration, compounds 3a, 3c and 3e show the most beneficial anti-inflammatory effects.
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Affiliation(s)
- Renata Paprocka
- Department of Organic Chemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Jurasza Str. 2, 85-089 Bydgoszcz, Poland
| | - Małgorzata Wiese-Szadkowska
- Department of Immunology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, M. Curie-Sklodowska Str. 9, 85-094 Bydgoszcz, Poland
| | - Przemysław Kołodziej
- Chair and Department of Biology and Genetics, Faculty of Pharmacy, Medical University in Lublin, Chodźki Str. 4A, 20-093 Lublin, Poland
| | - Jolanta Kutkowska
- Department of Genetics and Microbiology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka Str. 19, 20-033 Lublin, Poland
| | - Sara Balcerowska
- Department of Immunology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, M. Curie-Sklodowska Str. 9, 85-094 Bydgoszcz, Poland
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Faculty of Pharmacy, Medical University in Lublin, Chodźki Str. 4A, 20-093 Lublin, Poland
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10
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Mucci V, Demori I, Browne CJ, Deblieck C, Burlando B. Fibromyalgia in Pregnancy: Neuro-Endocrine Fluctuations Provide Insight into Pathophysiology and Neuromodulation Treatment. Biomedicines 2023; 11:biomedicines11020615. [PMID: 36831148 PMCID: PMC9953487 DOI: 10.3390/biomedicines11020615] [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: 01/06/2023] [Revised: 02/06/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Fibromyalgia (FM) is a chronic pain disorder with unclear pathophysiological mechanisms, which leads to challenges in patient management. In addition to pain, the disorder presents with a broad range of symptoms, such as sleep disruption, chronic fatigue, brain fog, depression, muscle stiffness, and migraine. FM has a considerable female prevalence, and it has been shown that symptoms are influenced by the menstrual cycle and periods of significant hormonal and immunological changes. There is increasing evidence that females with FM experience an aggravation of symptoms in pregnancy, particularly during the third trimester and after childbirth. In this perspective paper, we focus on the neuro-endocrine interactions that occur between progesterone, allopregnanolone, and cortisol during pregnancy, and propose that they align with our previously proposed model of FM pathogenesis based on GABAergic "weakening" in a thalamocortical neural loop system. Based on our hypothesis, we introduce the possibility of utilizing transcranial direct current stimulation (tDCS) as a non-invasive treatment potentially capable of exerting sex-specific effects on FM patients.
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Affiliation(s)
- Viviana Mucci
- School of Science, Western Sydney University, Campbelltown, NSW 2560, Australia
- Correspondence:
| | - Ilaria Demori
- Department of Earth, Environmental and Life Sciences (DISTAV), University of Genova, Corso Europa, 26, 16132 Genova, Italy
| | - Cherylea J. Browne
- School of Science, Western Sydney University, Campbelltown, NSW 2560, Australia
- Translational Neuroscience Facility, School of Medical Sciences, UNSW Sydney, Kensington, NSW 2052, Australia
- Brain Stimulation and Rehabilitation (BrainStAR) Lab, School of Health Sciences, Western Sydney University, Campbelltown, NSW 2560, Australia
| | - Choi Deblieck
- Antwerp Management School, University of Antwerp, Boogkeers 5, 2000 Antwerp, Belgium
| | - Bruno Burlando
- Department of Pharmacy, DIFAR, University of Genova, Viale Benedetto XV, 3, 16132 Genova, Italy
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11
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Abdalla HB, Van Dyke TE. The impact of the soluble epoxide hydrolase cascade on periodontal tissues. FRONTIERS IN DENTAL MEDICINE 2023. [DOI: 10.3389/fdmed.2023.1129371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Periodontitis is a chronic inflammatory disease with complex pathogenesis. Uncontrolled inflammation is driven by the immune system in response to accumulation of oral biofilm that leads to alveolar bone loss, bleeding, increased periodontal probing depth with loss of attachment of the connective tissues to the tooth, and ultimately, tooth loss. Soluble epoxide hydrolase (sEH) is an enzyme that converts epoxy fatty acids (EpFAs) produced by cytochrome P450 (CYP450) to an inactive diol. It has been shown that EpFAs display important features to counteract an exaggerated inflammatory process. Based upon this observation, inhibitors of sEH have been developed and are being proposed as a strategy to regulate proinflammatory inflammatory lipid mediator production and the chronicity of inflammation. This mini review focuses on the impact of sEH inhibition on periodontal tissues focusing on the mechanisms involved. The interaction between Specialized Pro-Resolving Mediators and sEH inhibition emerges as a significant mechanism of action of sEH inhibitors that was not formerly appreciated and provides new insight into the role SPMs may play in prevention and treatment of periodontitis.
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Jiang Y, Xu X, Xiao L, Wang L, Qiang S. The Role of microRNA in the Inflammatory Response of Wound Healing. Front Immunol 2022; 13:852419. [PMID: 35386721 PMCID: PMC8977525 DOI: 10.3389/fimmu.2022.852419] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/02/2022] [Indexed: 12/20/2022] Open
Abstract
Wound healing, a highly complex pathophysiological response to injury, includes four overlapping phases of hemostasis, inflammation, proliferation, and remodeling. Initiation and resolution of the inflammatory response are the primary requirements for wound healing, and are also key events that determines wound quality and healing time. Currently, the number of patients with persistent chronic wounds has generally increased, which imposes health and economic burden on patients and society. Recent studies have found that microRNA(miRNA) plays an essential role in the inflammation involved in wound healing and may provide a new therapeutic direction for wound treatment. Therefore, this review focused on the role and significance of miRNA in the inflammation phase of wound healing.
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Affiliation(s)
- Yuanyuan Jiang
- Center Laboratory, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
| | - Xiang Xu
- Center Laboratory, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
| | - Long Xiao
- Center Laboratory, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
| | - Lihong Wang
- Center Laboratory, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
| | - Sheng Qiang
- Center Laboratory, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
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Minic Z, O’Leary DS, Reynolds CA. Spinal Reflex Control of Arterial Blood Pressure: The Role of TRP Channels and Their Endogenous Eicosanoid Modulators. Front Physiol 2022; 13:838175. [PMID: 35283783 PMCID: PMC8904930 DOI: 10.3389/fphys.2022.838175] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/26/2022] [Indexed: 01/14/2023] Open
Abstract
The spinal cord is an important integrative center for blood pressure control. Spinal sensory fibers send projections to sympathetic preganglionic neurons of the thoracic spinal cord and drive sympathetically-mediated increases in blood pressure. While these reflexes responses occur in able-bodied individuals, they are exaggerated following interruption of descending control - such as occurs following spinal cord injury. Similar reflex control of blood pressure may exist in disease states, other than spinal cord injury, where there is altered input to sympathetic preganglionic neurons. This review primarily focuses on mechanisms wherein visceral afferent information traveling via spinal nerves influences sympathetic nerve activity and blood pressure. There is an abundance of evidence for the widespread presence of this spinal reflex arch originating from virtually every visceral organ and thus having a substantial role in blood pressure control. Additionally, this review highlights specific endogenous eicosanoid species, which modulate the activity of afferent fibers involved in this reflex, through their interactions with transient receptor potential (TRP) cation channels.
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Affiliation(s)
- Zeljka Minic
- Department of Emergency Medicine Wayne State University School of Medicine, Detroit, MI, United States
- Department of Biotechnology, University of Rijeka, Rijeka, Croatia
| | - Donal S. O’Leary
- Department of Physiology, Wayne State University School of Medicine, Detroit, MI, United States
| | - Christian A. Reynolds
- Department of Emergency Medicine Wayne State University School of Medicine, Detroit, MI, United States
- Department of Biotechnology, University of Rijeka, Rijeka, Croatia
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Serhan CN, Libreros S, Nshimiyimana R. E-series resolvin metabolome, biosynthesis and critical role of stereochemistry of specialized pro-resolving mediators (SPMs) in inflammation-resolution: Preparing SPMs for long COVID-19, human clinical trials, and targeted precision nutrition. Semin Immunol 2022; 59:101597. [PMID: 35227568 PMCID: PMC8847098 DOI: 10.1016/j.smim.2022.101597] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/07/2022] [Indexed: 01/15/2023]
Abstract
The COVID-19 pandemic has raised international awareness of the importance of rigorous scientific evidence and the havoc caused by uncontrolled excessive inflammation. Here we consider the evidence on whether the specialized pro-resolving mediators (SPMs) are ready to meet this challenge as well as targeted metabololipidomics of the resolution-inflammation metabolomes. Specific stereochemical mechanisms in the biosynthesis of SPMs from omega-3 essential fatty acids give rise to unique local-acting lipid mediators. SPMs possess stereochemically defined potent bioactive structures that are high-affinity ligands for cognate G protein-coupled surface receptors that evoke the cellular responses required for efficient resolution of acute inflammation. The SPMs biosynthesized from the major omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are coined Resolvins (resolution phase interaction products; E series and D-series), Protectins and Maresins (macrophage mediators in resolving inflammation). Their biosynthesis and stereochemical assignments are established and confirmed (>1,441 resolvin publications in PubMed.gov) as well as their functional roles on innate immune cells and adaptive immune cells (both lymphocyte T-cell subsets and B-cells). The resolution of a protective acute inflammatory response is governed mainly by phagocytes that actively clear apoptotic cells, debris, blood clots and pathogens. These resolution phase functions of the acute inflammatory response are enhanced by SPMs, which together prepare the inflammatory loci for homeostasis and stimulate tissue regeneration via activating stem cells and the biosynthesis of novel cys-SPMs (e.g. MCTRs, PCTRs and RCTRs). These cys-SPMs also activate regeneration, are organ protective and stimulate resolution of local inflammation. Herein, we review the biosynthesis and functions of the E-series resolvins, namely resolvin E1 (the first n-3 resolvin identified), resolvin E2, resolvin E3 and resolvin E4 biosynthesized from their precursor eicosapentaenoic acid (EPA), and the critical role of total organic synthesis in confirming SPM complete stereochemistry, establishing their potent functions in resolution of inflammation, and novel structures. The physical properties of each biologically derived SPM, i.e., ultra-violet (UV) absorbance, chromatographic behavior, and tandem mass spectrometry (MS2) fragmentation, were matched to SPMs biosynthesized and prepared by stereospecific total organic synthesis. We briefly review this approach, also used with the endogenous D-series resolvins, protectins and maresins confirming their potent functions in resolution of inflammation, that paves the way for their rigorous evaluation in human tissues and clinical trials. The assignment of complete stereochemistry for each of the E and D series Resolvins, Protectins and Maresins was a critical and required step that enabled human clinical studies as in SPM profiling in COVID-19 infections and experimental animal disease models that also opened the promise of resolution physiology, resolution pharmacology and targeted precision nutrition as new areas for monitoring health and disease mechanisms.
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Affiliation(s)
- Charles N Serhan
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA.
| | - Stephania Libreros
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Robert Nshimiyimana
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
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Intrinsic exercise capacity induces divergent vascular plasticity via arachidonic acid-mediated inflammatory pathways in female rats. Vascul Pharmacol 2021; 140:106862. [PMID: 33872803 DOI: 10.1016/j.vph.2021.106862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 03/03/2021] [Accepted: 04/07/2021] [Indexed: 12/31/2022]
Abstract
Metabolic syndrome prevalence has increased among US adults, particularly among non-hispanic white and black women. Sedentary behavior often leads to chronic inflammation, a triggering factor of metabolic syndrome. Given that intrinsic exercise capacity is genetically inherited, we questioned if low-grade chronic inflammation would be present in a female rat model of low intrinsic exercise capacity-induced metabolic syndrome, while beneficial increase of resolution of inflammation would be present in a female rat model of high intrinsic exercise capacity. In the vascular system, two primary markers for inflammation and resolution of inflammation are cyclooxygenase (COX) and lipoxygenase (LOX), respectively. Our study focused on the novel hypothesis that untrained, inherited exercise capacity induces divergent vascular plasticity via changes in the delicate balance between COX and LOX inflammatory mediators. We used divergent rat strains with low (LCR) and high (HCR) aerobic running capacity. By using animals with contrasting intrinsic exercise capacities, it is possible to determine the exact triggers that lead to inherited vascular plasticity in female rats. We observed that female LCR displayed increased periovarian fat pad and body weight, which is congruent with their obesity-presenting phenotype. Furthermore, LCR presented with vascular hypocontractility and increased COX and LOX-derived pro-inflammatory factors. On the other hand, HCR presented with a "shutdown" of COX-induced vasoconstriction and enhanced resolution of inflammation to maintain vascular tone and homeostasis. In conclusion, LCR display low-grade chronic inflammation via increased COX activity. These results provide mechanistic clues as to why lower intrinsic aerobic capacity correlates with a predisposition to risk of vascular disease. Conversely, being born with higher intrinsic aerobic capacity is a significant factor for improved vascular physiology in female rats.
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