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Sun D, Wang R, Du Q, Chen H, Shi Z, Zhang Y, Zhang N, Wang X, Zhou H. Integrating genetic and proteomic data to elucidate the association between immune system and blood-brain barrier dysfunction with multiple sclerosis risk and severity. J Affect Disord 2024; 362:652-660. [PMID: 39029667 DOI: 10.1016/j.jad.2024.07.135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 07/09/2024] [Accepted: 07/16/2024] [Indexed: 07/21/2024]
Abstract
BACKGROUND Immune system dysfunction and blood-brain barrier (BBB) impairment are implicated in multiple sclerosis (MS) risk and severity. However, the causal relationships and potential therapeutic targets remain unclear. METHODS Leveraging the MRC IEU OpenGWAS data infrastructure, we extracted 1254 peripheral immune systems and 792 BBB biomarkers as genetic instruments for exposure. MS risk data from the International Multiple Sclerosis Genetics Consortium (IMSGC) (47,429 MS cases, 68,374 controls) served as one outcome, replicated in FinnGen (1048 cases, 217,141 controls) and the UK Biobank (1679 cases, 461,254 controls). Genetic associations with MS severity derived from IMSGC and MultipleMS Consortium GWAS data (12,584 cases). Two-sample, bidirectional, and protein drug-target MR analyses were conducted, along with interaction analysis of identified proteins and druggability assessment. RESULTS Causal relationships between 45 immunological markers, 15 BBB markers, and MS risk were strongly supported. In peripheral immunity, the causal associations with MS are predominantly concentrated in CD4+ T cells and CD8+ T cells. Notably, anti-Epstein-Barr virus nuclear antigen (EBNA) IgG levels exhibited the most significant causal effect on MS risk (OR = 225.62, P = 5.63E-208), replicated in the MS severity (OR = 1.11, P = 0.04). Weak causal evidence was found between 62 immunological markers, 35 BBB markers, and MS severity. Reverse MR analysis suggested potential causal effects of MS risk on 8 markers. Drug-targeted MR analysis indicated potential therapeutic benefits in reducing MS risk for CD40 (OR = 0.71, P = 7.24E-13, PPH4 = 97.6 %), AHSG (OR = 0.88, P = 2.91E-05, PPH4 = 94.4 %), and FCRL3 (Sun BB et al.: OR = 0.83, P = 8.93E-09, PPH4 = 94.2 %, Suhre K et al.: OR = 0.88, P = 5.20E-08, PPH4 = 99.2 %). CONCLUSIONS This study provides evidence supporting the causal effects of immune system and BBB dysfunction on MS risk and severity. It emphasizes the significant role of anti-EBNA IgG levels, CD4+ T cells, and CD8+ T cells in MS, and delineates the potential therapeutic benefits of targeting three proteins associated with MS risk: CD40, AHSG, and FCRL3.
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Affiliation(s)
- Dongren Sun
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Rui Wang
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Qin Du
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Hongxi Chen
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Ziyan Shi
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Yangyang Zhang
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Nana Zhang
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China
| | - Xiaofei Wang
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China.
| | - Hongyu Zhou
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang No. 37, Chengdu 610041, China.
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Cardinez C, Hao Y, Kwong K, Davies AR, Downes MB, Roberts NA, Price JD, Hernandez RA, Lovell J, Chand R, Feng ZP, Enders A, Vinuesa CG, Miraghazadeh B, Cook MC. IKK2 controls the inflammatory potential of tissue-resident regulatory T cells in a murine gain of function model. Nat Commun 2024; 15:2345. [PMID: 38528069 PMCID: PMC10963799 DOI: 10.1038/s41467-024-45870-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 02/06/2024] [Indexed: 03/27/2024] Open
Abstract
Loss-of-function mutations have provided crucial insights into the immunoregulatory actions of Foxp3+ regulatory T cells (Tregs). By contrast, we know very little about the consequences of defects that amplify aspects of Treg function or differentiation. Here we show that mice heterozygous for an Ikbkb gain-of-function mutation develop psoriasis. Doubling the gene dose (IkbkbGoF/GoF) results in dactylitis, spondylitis, and characteristic nail changes, which are features of psoriatic arthritis. IkbkbGoF mice exhibit a selective expansion of Foxp3 + CD25+ Tregs of which a subset express IL-17. These modified Tregs are enriched in both inflamed tissues, blood and spleen, and their transfer is sufficient to induce disease without conventional T cells. Single-cell transcriptional and phenotyping analyses of isolated Tregs reveal expansion of non-lymphoid tissue (tissue-resident) Tregs expressing Th17-related genes, Helios, tissue-resident markers including CD103 and CD69, and a prominent NF-κB transcriptome. Thus, IKK2 regulates tissue-resident Treg differentiation, and overactivity drives dose-dependent skin and systemic inflammation.
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Affiliation(s)
- Chelisa Cardinez
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Division of Genome Sciences and Cancer, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Yuwei Hao
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Department of Medicine, University of Cambridge, Cambridge, UK
| | - Kristy Kwong
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Department of Medicine, University of Cambridge, Cambridge, UK
| | - Ainsley R Davies
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Morgan B Downes
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Nadia A Roberts
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Jason D Price
- Division of Genome Sciences and Cancer, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Raquel A Hernandez
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Jessica Lovell
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Rochna Chand
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Zhi-Ping Feng
- ANU Bioinformatics Consultancy, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Anselm Enders
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Carola G Vinuesa
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Francis Crick Institute, London, UK
| | - Bahar Miraghazadeh
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Matthew C Cook
- Centre for Personalised Immunology, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia.
- Translational Research Unit, The Canberra Hospital, Canberra, ACT, Australia.
- Division of Immunology and Infectious Diseases, John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia.
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Department of Medicine, University of Cambridge, Cambridge, UK.
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Merino-Vico A, van Hamburg JP, Tuijnenburg P, Frazzei G, Al-Soudi A, Bonasia CG, Helder B, Rutgers A, Abdulahad WH, Stegeman CA, Sanders JS, Bergamaschi L, Lyons PA, Bijma T, van Keep L, Wesenhagen K, Jongejan A, Olsson H, de Vries N, Kuijpers TW, Heeringa P, Tas SW. Targeting NF-κB signaling in B cells as a potential new treatment modality for ANCA-associated vasculitis. J Autoimmun 2024; 142:103133. [PMID: 37931331 DOI: 10.1016/j.jaut.2023.103133] [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: 07/18/2023] [Revised: 10/06/2023] [Accepted: 10/13/2023] [Indexed: 11/08/2023]
Abstract
B lineage cells are critically involved in ANCA-associated vasculitis (AAV), evidenced by alterations in circulating B cell subsets and beneficial clinical effects of rituximab (anti-CD20) therapy. This treatment renders a long-term, peripheral B cell depletion, but allows for the survival of long-lived plasma cells. Therefore, there is an unmet need for more reversible and full B lineage cell targeting approaches. To find potential novel therapeutic targets, RNA sequencing of CD27+ memory B cells of patients with active AAV was performed, revealing an upregulated NF-κB-associated gene signature. NF-κB signaling pathways act downstream of various B cell surface receptors, including the BCR, CD40, BAFFR and TLRs, and are essential for B cell responses. Here we demonstrate that novel pharmacological inhibitors of NF-κB inducing kinase (NIK, non-canonical NF-κB signaling) and inhibitor-of-κB-kinase-β (IKKβ, canonical NF-κB signaling) can effectively inhibit NF-κB signaling in B cells, whereas T cell responses were largely unaffected. Moreover, both inhibitors significantly reduced B cell proliferation, differentiation and production of antibodies, including proteinase-3 (PR3) autoantibodies, in B lineage cells of AAV patients. These findings indicate that targeting NF-κB, particularly NIK, may be an effective, novel B lineage cell targeted therapy for AAV and other autoimmune diseases with prominent B cell involvement.
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Affiliation(s)
- Ana Merino-Vico
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Jan Piet van Hamburg
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Paul Tuijnenburg
- Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Giulia Frazzei
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Aram Al-Soudi
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Carlo G Bonasia
- Department of Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Boy Helder
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Abraham Rutgers
- Department of Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Wayel H Abdulahad
- Department of Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands; Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Coen A Stegeman
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Jan-Stephan Sanders
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Laura Bergamaschi
- Department of Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge, Cambridge, UK; Cambridge Institute of Therapeutic Immunology and Infectious Disease, Jeffre Cheah Biomedical Centre, Cambridge Biomedical Campus, Cambridge, CB2 0AW, UK
| | - Paul A Lyons
- Department of Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge, Cambridge, UK; Cambridge Institute of Therapeutic Immunology and Infectious Disease, Jeffre Cheah Biomedical Centre, Cambridge Biomedical Campus, Cambridge, CB2 0AW, UK
| | - Theo Bijma
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Laura van Keep
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Kirsten Wesenhagen
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Aldo Jongejan
- Department of Epidemiology and Data Science, Bioinformatics Laboratory, Amsterdam Public Health Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Henric Olsson
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Niek de Vries
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Taco W Kuijpers
- Department of Pediatric Immunology, Rheumatology and Infectious Diseases, Emma Children's Hospital, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Peter Heeringa
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 EA11, 9713, GZ, Groningen, the Netherlands
| | - Sander W Tas
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and immunology Center, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands; Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands.
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4
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Carman LE, Samulevich ML, Aneskievich BJ. Repressive Control of Keratinocyte Cytoplasmic Inflammatory Signaling. Int J Mol Sci 2023; 24:11943. [PMID: 37569318 PMCID: PMC10419196 DOI: 10.3390/ijms241511943] [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: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
The overactivity of keratinocyte cytoplasmic signaling contributes to several cutaneous inflammatory and immune pathologies. An important emerging complement to proteins responsible for this overactivity is signal repression brought about by several proteins and protein complexes with the native role of limiting inflammation. The signaling repression by these proteins distinguishes them from transmembrane receptors, kinases, and inflammasomes, which drive inflammation. For these proteins, defects or deficiencies, whether naturally arising or in experimentally engineered skin inflammation models, have clearly linked them to maintaining keratinocytes in a non-activated state or returning cells to a post-inflamed state after a signaling event. Thus, together, these proteins help to resolve acute inflammatory responses or limit the development of chronic cutaneous inflammatory disease. We present here an integrated set of demonstrated or potentially inflammation-repressive proteins or protein complexes (linear ubiquitin chain assembly complex [LUBAC], cylindromatosis lysine 63 deubiquitinase [CYLD], tumor necrosis factor alpha-induced protein 3-interacting protein 1 [TNIP1], A20, and OTULIN) for a comprehensive view of cytoplasmic signaling highlighting protein players repressing inflammation as the needed counterpoints to signal activators and amplifiers. Ebb and flow of players on both sides of this inflammation equation would be of physiological advantage to allow acute response to damage or pathogens and yet guard against chronic inflammatory disease. Further investigation of the players responsible for repressing cytoplasmic signaling would be foundational to developing new chemical-entity pharmacologics to stabilize or enhance their function when clinical intervention is needed to restore balance.
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Affiliation(s)
- Liam E. Carman
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Michael L. Samulevich
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Brian J. Aneskievich
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, CT 06269-3092, USA
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5
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Baeza-Kallee N, Bergès R, Hein V, Cabaret S, Garcia J, Gros A, Tabouret E, Tchoghandjian A, Colin C, Figarella-Branger D. Deciphering the Action of Neuraminidase in Glioblastoma Models. Int J Mol Sci 2023; 24:11645. [PMID: 37511403 PMCID: PMC10380381 DOI: 10.3390/ijms241411645] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Glioblastoma (GBM) contains cancer stem cells (CSC) that are resistant to treatment. GBM CSC expresses glycolipids recognized by the A2B5 antibody. A2B5, induced by the enzyme ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyl transferase 3 (ST8Sia3), plays a crucial role in the proliferation, migration, clonogenicity and tumorigenesis of GBM CSC. Our aim was to characterize the resulting effects of neuraminidase that removes A2B5 in order to target GBM CSC. To this end, we set up a GBM organotypic slice model; quantified A2B5 expression by flow cytometry in U87-MG, U87-ST8Sia3 and GBM CSC lines, treated or not by neuraminidase; performed RNAseq and DNA methylation profiling; and analyzed the ganglioside expression by liquid chromatography-mass spectrometry in these cell lines, treated or not with neuraminidase. Results demonstrated that neuraminidase decreased A2B5 expression, tumor size and regrowth after surgical removal in the organotypic slice model but did not induce a distinct transcriptomic or epigenetic signature in GBM CSC lines. RNAseq analysis revealed that OLIG2, CHI3L1, TIMP3, TNFAIP2, and TNFAIP6 transcripts were significantly overexpressed in U87-ST8Sia3 compared to U87-MG. RT-qPCR confirmed these results and demonstrated that neuraminidase decreased gene expression in GBM CSC lines. Moreover, neuraminidase drastically reduced ganglioside expression in GBM CSC lines. Neuraminidase, by its pleiotropic action, is an attractive local treatment against GBM.
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Affiliation(s)
| | - Raphaël Bergès
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Victoria Hein
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Stéphanie Cabaret
- ChemoSens Platform, Centre des Sciences du Goût et de l'Alimentation, InstitutAgro, CNRS, INRAE, Université de Bourgogne Franche-Comté, 21000 Dijon, France
| | - Jeremy Garcia
- APHM, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, 13005 Marseille, France
| | - Abigaëlle Gros
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
- APHM, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, 13005 Marseille, France
| | - Emeline Tabouret
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
- APHM, CHU Timone, Service de Neurooncologie, 13005 Marseille, France
| | | | - Carole Colin
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
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Manjubaashini N, Bargavi P, Balakumar S. Bioceramic and polycationic biopolymer nanocomposite scaffolds for improved wound self-healing and anti-inflammatory properties: an in vitro study. Biomater Sci 2023; 11:3921-3937. [PMID: 37092809 DOI: 10.1039/d3bm00169e] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
The development of wound healing scaffolds with high porosity, rapid healing properties, and anti-inflammatory functionality is vital in the chronic wound healing stage for the production of extracellular matrices of injured tissues. The 45S5 bioactive glass (BG) possesses good biocompatibility and provides a potential bonding resource for fibroblast cell proliferation, growth factor synthesis, and granulated tissue formation. Chitosan, a natural polymer, promotes tissue regeneration and has anti-microbial properties. BG and chitosan scaffolds were prepared by the freeze-drying (lyophilization) method. The chitosan scaffold is a semi-crystalline polymer with a random crystal structure because it contains more hydroxyl groups. Chitosan alone shows a sheet-like morphology with a porous microstructure (1.7475 nm). BG particulates were well decorated over the surface of the chitosan scaffold with a homogeneous dispersion. Cell viability was observed for L929 cells on the chitosan-BG scaffolds. Confocal images vividly depict the interaction of the L929 cells with the scaffold without causing any damage to the cell membrane. In vitro scratch assay shows the best wound healing activity (complete wound closure) for the BG-chitosan nanocomposite scaffolds at 18 h. The chitosan-BG scaffolds were combined with anti-inflammatory drugs and induced inflammatory genes at an inhibition rate of COX of (36, 28, and 30%), LOX of (20, 13, and 14%), and NO of (48, 38, and 39%) for chitosan, chitosan-BG, and chitosan-BG (Na-free) at 100 μL addition. The in vitro bioactivities proved that the chitosan-BG scaffolds could enable better cell formation, and exhibited improved biocompatibility, and anti-inflammatory and wound healing properties.
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Affiliation(s)
- N Manjubaashini
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai 600025, India
| | - P Bargavi
- Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, India
| | - S Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai 600025, India
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7
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Liu Q, Huang Y, Li L, Li Z, Li M. Endogenous Enzyme-Operated Spherical Nucleic Acids for Cell-Selective Protein Capture and Localization Regulation. Angew Chem Int Ed Engl 2023; 62:e202214958. [PMID: 36788111 DOI: 10.1002/anie.202214958] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/16/2023]
Abstract
Precise regulation of protein activity and localization in cancer cells is crucial to dissect the function of the protein-involved cellular network in tumorigenesis, but there is a lack of suitable methodology. Here we report the design of enzyme-operated spherical nucleic acids (E-SNAs) for manipulation of the nucleocytoplasmic translocation of proteins with cancer-cell selectivity. The E-SNAs are constructed by programmable engineering of aptamer-based modules bearing enzyme-responsive units in predesigned sites and further combination with SNA nanotechnology. We demonstrate that E-SNAs are able to regulate cytoplasmic-to-nuclear shuttling of RelA protein efficiently and specifically in tumor cells, while they remain inactive in normal cells due to insufficient enzyme expression. We further confirmed the generality of this strategy by investigating the enzyme-modulated inhibition/activation of thrombin activity by varying the aptamer-based design.
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Affiliation(s)
- Qing Liu
- Advanced Research Institute of Multidisciplinary Science, School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Yuanyu Huang
- Advanced Research Institute of Multidisciplinary Science, School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Lele Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Zhengping Li
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Mengyuan Li
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
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8
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Zhou J, Rasmussen NL, Olsvik HL, Akimov V, Hu Z, Evjen G, Kaeser-Pebernard S, Sankar DS, Roubaty C, Verlhac P, van de Beck N, Reggiori F, Abudu YP, Blagoev B, Lamark T, Johansen T, Dengjel J. TBK1 phosphorylation activates LIR-dependent degradation of the inflammation repressor TNIP1. J Cell Biol 2022; 222:213785. [PMID: 36574265 PMCID: PMC9797988 DOI: 10.1083/jcb.202108144] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 06/24/2022] [Accepted: 08/17/2022] [Indexed: 12/28/2022] Open
Abstract
Limitation of excessive inflammation due to selective degradation of pro-inflammatory proteins is one of the cytoprotective functions attributed to autophagy. In the current study, we highlight that selective autophagy also plays a vital role in promoting the establishment of a robust inflammatory response. Under inflammatory conditions, here TLR3-activation by poly(I:C) treatment, the inflammation repressor TNIP1 (TNFAIP3 interacting protein 1) is phosphorylated by Tank-binding kinase 1 (TBK1) activating an LIR motif that leads to the selective autophagy-dependent degradation of TNIP1, supporting the expression of pro-inflammatory genes and proteins. This selective autophagy efficiently reduces TNIP1 protein levels early (0-4 h) upon poly(I:C) treatment to allow efficient initiation of the inflammatory response. At 6 h, TNIP1 levels are restored due to increased transcription avoiding sustained inflammation. Thus, similarly as in cancer, autophagy may play a dual role in controlling inflammation depending on the exact state and timing of the inflammatory response.
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Affiliation(s)
- Jianwen Zhou
- https://ror.org/022fs9h90Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Nikoline Lander Rasmussen
- Autophagy Research Group, Department of Medical Biology, University of Tromsø—The Arctic University of Norway, Tromsø, Norway
| | - Hallvard Lauritz Olsvik
- Autophagy Research Group, Department of Medical Biology, University of Tromsø—The Arctic University of Norway, Tromsø, Norway
| | - Vyacheslav Akimov
- https://ror.org/03yrrjy16Department of Biochemistry and Molecular Biology, Center for Experimental BioInformatics, University of Southern Denmark, Odense, Denmark
| | - Zehan Hu
- https://ror.org/022fs9h90Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Gry Evjen
- Autophagy Research Group, Department of Medical Biology, University of Tromsø—The Arctic University of Norway, Tromsø, Norway
| | | | | | - Carole Roubaty
- https://ror.org/022fs9h90Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Pauline Verlhac
- https://ror.org/03cv38k47Department of Biomedical Sciences of Cells and Systems, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Nicole van de Beck
- https://ror.org/03cv38k47Department of Biomedical Sciences of Cells and Systems, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Fulvio Reggiori
- https://ror.org/03cv38k47Department of Biomedical Sciences of Cells and Systems, University of Groningen, University Medical Center Groningen, Groningen, Netherlands,https://ror.org/01aj84f44Department of Biomedicine, Aarhus University, Aarhus, Denmark,https://ror.org/01aj84f44Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
| | - Yakubu Princely Abudu
- Autophagy Research Group, Department of Medical Biology, University of Tromsø—The Arctic University of Norway, Tromsø, Norway
| | - Blagoy Blagoev
- https://ror.org/03yrrjy16Department of Biochemistry and Molecular Biology, Center for Experimental BioInformatics, University of Southern Denmark, Odense, Denmark
| | - Trond Lamark
- Autophagy Research Group, Department of Medical Biology, University of Tromsø—The Arctic University of Norway, Tromsø, Norway
| | - Terje Johansen
- Autophagy Research Group, Department of Medical Biology, University of Tromsø—The Arctic University of Norway, Tromsø, Norway,Terje Johansen:
| | - Jörn Dengjel
- https://ror.org/022fs9h90Department of Biology, University of Fribourg, Fribourg, Switzerland,Correspondence to Jörn Dengjel:
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9
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Mabrouk DM, El Makawy AI, Ahmed KA, Ramadan MF, Ibrahim FM. Topiramate potential neurotoxicity and mitigating role of ginger oil in mice brain. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:87184-87199. [PMID: 35802336 DOI: 10.1007/s11356-022-21878-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Topiramate has multiple pharmacological mechanisms that are efficient in treating epilepsy and migraine. Ginger has been established to have gingerols and shogaols that cause migraine relief. Moreover, Topiramate has many off-label uses. Thus, it was necessary to explore the possible neurotoxicity of Topiramate and the role of ginger oil in attenuating the Topiramate neurotoxicity. Male albino mice were orally gavaged with Topiramate, ginger oil (400 mg/kg), and Topiramate plus ginger oil with the same pattern for 28 days. Oxidative stress markers, acetylcholinesterase (AchE), gamma-aminobutyric acid (GABA), and tumor necrosis factor-alpha (TNF-α) were examined. Histopathological examination, immunohistochemical glial fibrillary acidic protein (GFAP), and Bax expression analysis were detected. The GABAAR subunits, Gabra1, Gabra3, and Gabra5 expression, were assessed by RT-qPCR. The investigation showed that Topiramate raised oxidative stress markers levels, neurotransmitters, TNF-α, and diminished glutathione (GSH). In addition, Topiramate exhibited various neuropathological alterations, strong Bax, and GFAP immune-reactivity in the cerebral cortex. At the same time, the results indicated that ginger oil had no neurotoxicity. The effect of Topiramate plus ginger oil alleviated the changes induced by Topiramate in the tested parameters. Both Topiramate and ginger oil upregulated the mRNA expression of gabra1 and gabra3, while their interaction markedly downregulated them. Therefore, it could be concluded that the Topiramate overdose could cause neurotoxicity, but the interaction with ginger oil may reduce Topiramate-induced neurotoxicity and should be taken in parallel.
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Affiliation(s)
- Dalia M Mabrouk
- Cell Biology Department, Biotechnology Research Institute, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | - Aida I El Makawy
- Cell Biology Department, Biotechnology Research Institute, National Research Centre, 33 El Bohouth St., Dokki, P.O. 12622, Giza, Egypt
| | - Kawkab A Ahmed
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, P.O. 12211, Giza, Egypt
| | - Mohamed Fawzy Ramadan
- Clinical Nutrition Department, College of Applied Medical Sciences, Umm Al-Qura University, P.O. Box 7067, Makkah, 21955, Saudi Arabia.
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt.
| | - Faten M Ibrahim
- Medicinal and Aromatic Plants Research Department, National Research Centre, 33 El Bohouth St., Dokki, P.O.12622, Giza, Egypt
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10
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Kusiak A, Brady G. Bifurcation of signalling in human innate immune pathways to NF-kB and IRF family activation. Biochem Pharmacol 2022; 205:115246. [PMID: 36088989 DOI: 10.1016/j.bcp.2022.115246] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/28/2022]
Abstract
The human innate immune response can be activated through a wide range of stimuli. This multi-faceted system can be triggered by a range of immunostimulants including pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs). These stimuli drive intracellular signalling pathways that branch off downstream to activate several distinct transcription factors. The two most impactful of which in innate immune outcomes are the NF-κB and the IRF family members. Both transcription factor families play defining roles in driving inflammation as well as the antiviral response. Pathways leading to their simultaneous activation share common upstream components but eventually distinct regulators which directly facilitate their activation. This review will discuss the current state of knowledge about what is known about how these pathways bifurcate to activate NF-κB and IRF family members.
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Affiliation(s)
- Aleksandra Kusiak
- Trinity Translational Medicine Institute, St James' Campus, Trinity College Dublin, D08 W9RT Dublin, Ireland.
| | - Gareth Brady
- Trinity Translational Medicine Institute, St James' Campus, Trinity College Dublin, D08 W9RT Dublin, Ireland.
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11
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Suppression of heparan sulfation re-sensitizes YAP1-driven melanoma to MAPK pathway inhibitors. Oncogene 2022; 41:3953-3968. [PMID: 35798875 PMCID: PMC9355870 DOI: 10.1038/s41388-022-02400-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/20/2022] [Accepted: 06/24/2022] [Indexed: 11/08/2022]
Abstract
Accumulating evidence identifies non-genetic mechanisms substantially contributing to drug resistance in cancer patients. Preclinical and clinical data implicate the transcriptional co-activators YAP1 and its paralog TAZ in resistance to multiple targeted therapies, highlighting the strong need for therapeutic strategies overcoming YAP1/TAZ-mediated resistance across tumor entities. Here, we show particularly high YAP1/TAZ activity in MITFlow/AXLhigh melanomas characterized by resistance to MAPK pathway inhibition and broad receptor tyrosine kinase activity. To uncover genetic dependencies of melanoma cells with high YAP1/TAZ activity, we used a genome-wide CRISPR/Cas9 functional screen and identified SLC35B2, the 3′-phosphoadenosine-5′-phosphosulfate transporter of the Golgi apparatus, as an essential gene for YAP1/TAZ-driven drug resistance. SLC35B2 expression correlates with tumor progression, and its loss decreases heparan sulfate expression, reduces receptor tyrosine kinase activity, and sensitizes resistant melanoma cells to BRAF inhibition in vitro and in vivo. Thus, targeting heparan sulfation via SLC35B2 represents a novel approach for breaking receptor tyrosine kinase-mediated resistance to MAPK pathway inhibitors.
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12
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Modification of BRCA1-associated breast cancer risk by HMMR overexpression. Nat Commun 2022; 13:1895. [PMID: 35393420 PMCID: PMC8989921 DOI: 10.1038/s41467-022-29335-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 03/09/2022] [Indexed: 12/12/2022] Open
Abstract
Breast cancer risk for carriers of BRCA1 pathological variants is modified by genetic factors. Genetic variation in HMMR may contribute to this effect. However, the impact of risk modifiers on cancer biology remains undetermined and the biological basis of increased risk is poorly understood. Here, we depict an interplay of molecular, cellular, and tissue microenvironment alterations that increase BRCA1-associated breast cancer risk. Analysis of genome-wide association results suggests that diverse biological processes, including links to BRCA1-HMMR profiles, influence risk. HMMR overexpression in mouse mammary epithelium increases Brca1-mutant tumorigenesis by modulating the cancer cell phenotype and tumor microenvironment. Elevated HMMR activates AURKA and reduces ARPC2 localization in the mitotic cell cortex, which is correlated with micronucleation and activation of cGAS-STING and non-canonical NF-κB signaling. The initial tumorigenic events are genomic instability, epithelial-to-mesenchymal transition, and tissue infiltration of tumor-associated macrophages. The findings reveal a biological foundation for increased risk of BRCA1-associated breast cancer.
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13
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Korunes KL, Liu J, Huang R, Xia M, Houck KA, Corton JC. A gene expression biomarker for predictive toxicology to identify chemical modulators of NF-κB. PLoS One 2022; 17:e0261854. [PMID: 35108274 PMCID: PMC8809623 DOI: 10.1371/journal.pone.0261854] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 12/12/2021] [Indexed: 11/29/2022] Open
Abstract
The nuclear factor-kappa B (NF-κB) is a transcription factor with important roles in inflammation, immune response, and oncogenesis. Dysregulation of NF-κB signaling is associated with inflammation and certain cancers. We developed a gene expression biomarker predictive of NF-κB modulation and used the biomarker to screen a large compendia of gene expression data. The biomarker consists of 108 genes responsive to tumor necrosis factor α in the absence but not the presence of IκB, an inhibitor of NF-κB. Using a set of 450 profiles from cells treated with immunomodulatory factors with known NF-κB activity, the balanced accuracy for prediction of NF-κB activation was > 90%. The biomarker was used to screen a microarray compendium consisting of 12,061 microarray comparisons from human cells exposed to 2,672 individual chemicals to identify chemicals that could cause toxic effects through NF-κB. There were 215 and 49 chemicals that were identified as putative or known NF-κB activators or suppressors, respectively. NF-κB activators were also identified using two high-throughput screening assays; 165 out of the ~3,800 chemicals (ToxCast assay) and 55 out of ~7,500 unique compounds (Tox21 assay) were identified as potential activators. A set of 32 chemicals not previously associated with NF-κB activation and which partially overlapped between the different screens were selected for validation in wild-type and NFKB1-null HeLa cells. Using RT-qPCR and targeted RNA-Seq, 31 of the 32 chemicals were confirmed to be NF-κB activators. These results comprehensively identify a set of chemicals that could cause toxic effects through NF-κB.
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Affiliation(s)
- Katharine L. Korunes
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America
- Biology Department, Duke University, Durham, North Carolina, United States of America
| | - Jie Liu
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America
| | - Ruili Huang
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Menghang Xia
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Keith A. Houck
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America
| | - J. Christopher Corton
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America
- * E-mail:
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14
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The Early Immune Response of Lymphoid and Myeloid Head-Kidney Cells of Rainbow Trout (Oncorhynchus mykiss) Stimulated with Aeromonas salmonicida. FISHES 2022. [DOI: 10.3390/fishes7010012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The teleost head kidney is a highly relevant immune organ, and myeloid cells play a major role in this organ’s innate and adaptive immune responses. Because of their complexity, the early phases of the innate immune reaction of fish against bacteria are still poorly understood. In this study, naïve rainbow trout were stimulated with inactivated A. salmonicida and sampled at 12 h, 24 h and 7 d poststimulation. Cells from the head kidney were magnetically sorted with a monoclonal antibody mAB21 to obtain one (MAb21-positive) fraction enriched with myeloid cells and one (MAb21-negative) fraction enriched with lymphocytes and thrombocytes. The gene expression pattern of the resulting cell subpopulations was analysed using a panel of 43 immune-related genes. The results show an overall downregulation of the complement pathway and cytokine production at the considered time points. Some of the selected genes may be considered as parameters for diagnosing bacterial furunculosis of rainbow trout.
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15
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Sprooten J, Vankerckhoven A, Vanmeerbeek I, Borras DM, Berckmans Y, Wouters R, Laureano RS, Baert T, Boon L, Landolfo C, Testa AC, Fischerova D, Van Holsbeke C, Bourne T, Chiappa V, Froyman W, Schols D, Agostinis P, Timmerman D, Tejpar S, Vergote I, Coosemans A, Garg AD. Peripherally-driven myeloid NFkB and IFN/ISG responses predict malignancy risk, survival, and immunotherapy regime in ovarian cancer. J Immunother Cancer 2021; 9:jitc-2021-003609. [PMID: 34795003 PMCID: PMC8603275 DOI: 10.1136/jitc-2021-003609] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/17/2021] [Indexed: 12/21/2022] Open
Abstract
Background Tumors can influence peripheral immune macroenvironment, thereby creating opportunities for non-invasive serum/plasma immunobiomarkers for immunostratification and immunotherapy designing. However, current approaches for immunobiomarkers’ detection are largely quantitative, which is unreliable for assessing functional peripheral immunodynamics of patients with cancer. Hence, we aimed to design a functional biomarker modality for capturing peripheral immune signaling in patients with cancer for reliable immunostratification. Methods We used a data-driven in silico framework, integrating existing tumor/blood bulk-RNAseq or single-cell (sc)RNAseq datasets of patients with cancer, to inform the design of an innovative serum-screening modality, that is, serum-functional immunodynamic status (sFIS) assay. Next, we pursued proof-of-concept analyses via multiparametric serum profiling of patients with ovarian cancer (OV) with sFIS assay combined with Luminex (cytokines/soluble immune checkpoints), CA125-antigen detection, and whole-blood immune cell counts. Here, sFIS assay’s ability to determine survival benefit or malignancy risk was validated in a discovery (n=32) and/or validation (n=699) patient cohorts. Lastly, we used an orthotopic murine metastatic OV model, with anti-OV therapy selection via in silico drug–target screening and murine serum screening via sFIS assay, to assess suitable in vivo immunotherapy options. Results In silico data-driven framework predicted that peripheral immunodynamics of patients with cancer might be best captured via analyzing myeloid nuclear factor kappa-light-chain enhancer of activated B cells (NFκB) signaling and interferon-stimulated genes' (ISG) responses. This helped in conceptualization of an ‘in sitro’ (in vitro+in situ) sFIS assay, where human myeloid cells were exposed to patients’ serum in vitro, to assess serum-induced (si)-NFκB or interferon (IFN)/ISG responses (as active signaling reporter activity) within them, thereby ‘mimicking’ patients’ in situ immunodynamic status. Multiparametric serum profiling of patients with OV established that sFIS assay can: decode peripheral immunology (by indicating higher enrichment of si-NFκB over si-IFN/ISG responses), estimate survival trends (si-NFκB or si-IFN/ISG responses associating with negative or positive prognosis, respectively), and coestimate malignancy risk (relative to benign/borderline ovarian lesions). Biologically, we documented dominance of pro-tumorigenic, myeloid si-NFκB responseHIGHsi-IFN/ISG responseLOW inflammation in periphery of patients with OV. Finally, in an orthotopic murine metastatic OV model, sFIS assay predicted the higher capacity of chemo-immunotherapy (paclitaxel–carboplatin plus anti-TNF antibody combination) in achieving a pro-immunogenic peripheral milieu (si-IFN/ISG responseHIGHsi-NFκB responseLOW), which aligned with high antitumor efficacy. Conclusions We established sFIS assay as a novel biomarker resource for serum screening in patients with OV to evaluate peripheral immunodynamics, patient survival trends and malignancy risk, and to design preclinical chemo-immunotherapy strategies.
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Affiliation(s)
- Jenny Sprooten
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Ann Vankerckhoven
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium
| | - Isaure Vanmeerbeek
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Daniel M Borras
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Yani Berckmans
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium
| | - Roxanne Wouters
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium
| | - Raquel S Laureano
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Thais Baert
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium.,Department of Oncology, Leuven Cancer Institute, Laboratory of Gynaecologic Oncology, KU Leuven, Leuven, Belgium
| | | | - Chiara Landolfo
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium.,Department of Development and Regeneration, KU Leuven, Leuven, Belgium.,Queen Charlotte's and Chelsea Hospital, Imperial College, London, UK.,Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Antonia Carla Testa
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy.,Dipartimento Scienze della Vita e Sanità pubblica, Università Cattolica del Sacro Cuore, Rome, Italy
| | | | | | - Tom Bourne
- Queen Charlotte's and Chelsea Hospital, Imperial College, London, UK
| | | | - Wouter Froyman
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium.,Department of Gynaecology and Obstetrics, UZ Leuven, Leuven, Belgium
| | - Dominique Schols
- Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, KU Leuven, Leuven, Belgium
| | - Patrizia Agostinis
- Department of Cellular and Molecular Medicine, Cell Death Research and Therapy Laboratory, KU Leuven, Belgium.,VIB Center for Cancer Biology, VIB, Leuven, Belgium
| | - Dirk Timmerman
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium.,Department of Gynaecology and Obstetrics, UZ Leuven, Leuven, Belgium
| | - Sabine Tejpar
- Laboratory for Molecular Digestive Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Ignace Vergote
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium.,Department of Oncology, Leuven Cancer Institute, Laboratory of Gynaecologic Oncology, KU Leuven, Leuven, Belgium.,Department of Gynaecology and Obstetrics, UZ Leuven, Leuven, Belgium
| | - An Coosemans
- Department of Oncology, Leuven Cancer Institute, Laboratory of Tumor Immunology and Immunotherapy, KU Leuven, Leuven, Belgium
| | - Abhishek D Garg
- Laboratory of Cell Stress & Immunity, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
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16
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Sagar S, Singh S, Mallareddy JR, Sonawane YA, Napoleon JV, Rana S, Contreras JI, Rajesh C, Ezell EL, Kizhake S, Garrison JC, Radhakrishnan P, Natarajan A. Structure activity relationship (SAR) study identifies a quinoxaline urea analog that modulates IKKβ phosphorylation for pancreatic cancer therapy. Eur J Med Chem 2021; 222:113579. [PMID: 34098465 PMCID: PMC8373685 DOI: 10.1016/j.ejmech.2021.113579] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/19/2021] [Accepted: 05/22/2021] [Indexed: 02/06/2023]
Abstract
Genetic models validated Inhibitor of nuclear factor (NF) kappa B kinase beta (IKKβ) as a therapeutic target for KRAS mutation associated pancreatic cancer. Phosphorylation of the activation loop serine residues (S177, S181) in IKKβ is a key event that drives tumor necrosis factor (TNF) α induced NF-κB mediated gene expression. Here we conducted structure activity relationship (SAR) study to improve potency and oral bioavailability of a quinoxaline analog 13-197 that was previously reported as a NFκB inhibitor for pancreatic cancer therapy. The SAR led to the identification of a novel quinoxaline urea analog 84 that reduced the levels of p-IKKβ in dose- and time-dependent studies. When compared to 13-197, analog 84 was ∼2.5-fold more potent in TNFα-induced NFκB inhibition and ∼4-fold more potent in inhibiting pancreatic cancer cell growth. Analog 84 exhibited ∼4.3-fold greater exposure (AUC0-∞) resulting in ∼5.7-fold increase in oral bioavailability (%F) when compared to 13-197. Importantly, oral administration of 84 by itself and in combination of gemcitabine reduced p-IKKβ levels and inhibited pancreatic tumor growth in a xenograft model.
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Affiliation(s)
- Satish Sagar
- Eppley Institute for Cancer Research, Omaha, NE, USA
| | - Sarbjit Singh
- Eppley Institute for Cancer Research, Omaha, NE, USA
| | | | | | | | - Sandeep Rana
- Eppley Institute for Cancer Research, Omaha, NE, USA
| | | | | | | | | | | | - Prakash Radhakrishnan
- Eppley Institute for Cancer Research, Omaha, NE, USA; Department of Biochemistry and Molecular Biology, Omaha, NE, USA; Department of Genetics Cell Biology and Anatomy, Omaha, NE, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
| | - Amarnath Natarajan
- Eppley Institute for Cancer Research, Omaha, NE, USA; Department of Pharmaceutical Sciences, Omaha, NE, USA; Department of Genetics Cell Biology and Anatomy, Omaha, NE, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
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17
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Genotoxic stress in constitutive trisomies induces autophagy and the innate immune response via the cGAS-STING pathway. Commun Biol 2021; 4:831. [PMID: 34215848 PMCID: PMC8253785 DOI: 10.1038/s42003-021-02278-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 05/24/2021] [Indexed: 11/18/2022] Open
Abstract
Gain of even a single chromosome leads to changes in human cell physiology and uniform perturbations of specific cellular processes, including downregulation of DNA replication pathway, upregulation of autophagy and lysosomal degradation, and constitutive activation of the type I interferon response. Little is known about the molecular mechanisms underlying these changes. We show that the constitutive nuclear localization of TFEB, a transcription factor that activates the expression of autophagy and lysosomal genes, is characteristic of human trisomic cells. Constitutive nuclear localization of TFEB in trisomic cells is independent of mTORC1 signaling, but depends on the cGAS-STING activation. Trisomic cells accumulate cytoplasmic dsDNA, which activates the cGAS-STING signaling cascade, thereby triggering nuclear accumulation of the transcription factor IRF3 and, consequently, upregulation of interferon-stimulated genes. cGAS depletion interferes with TFEB-dependent upregulation of autophagy in model trisomic cells. Importantly, activation of both the innate immune response and autophagy occurs also in primary trisomic embryonic fibroblasts, independent of the identity of the additional chromosome. Our research identifies the cGAS-STING pathway as an upstream regulator responsible for activation of autophagy and inflammatory response in human cells with extra chromosomes, such as in Down syndrome or other aneuploidy-associated pathologies. Studying trisomic cell lines derived from RPE1 and HCT116 cells, Krivega et al find that autophagy is induced independently of mTORC1 in these cells. Rather, they observe that nuclear accumulation of TFEB and IRF3 and activation of the inflammatory response and autophagy in trisomic cells is dependent on the cGAS-STING pathway.
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18
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Al-Shahari EA, El Barky AR, Mohamed TM, Alm-Eldeen AA. Doxorubicin, L-arginine, or their combination as a prophylactic agent against hepatic carcinoma in mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:37661-37671. [PMID: 33721166 DOI: 10.1007/s11356-021-13177-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the ten most commonly diagnosed cancers. Doxorubicin is an antibiotic used in cancer treatment protocols that has several side effects. L-Arginine is a non-essential amino acid that is used as immune system activation and antitumor drugs. Therefore, the current study was designed to compare using doxorubicin, L-arginine, or their combination as a prophylactic agent against hepatic carcinoma induced by hepatocellular carcinoma cells (HepG2) injection in mice. The mice were divided into five groups: normal mice and mice that received HepG2, doxorubicin and HepG2, L-arginine and HepG2, and doxorubicin, L-Arginine, and HepG2, respectively. Liver function test as, aspartate transaminase (AST) and alanine transaminase (ALT), and alpha-fetoprotein (AFP), caspase 3, interleukin 6 (IL-6), tumor necrotic factor (TNF), lipid peroxidation (NDA), and some antioxidant parameters were determined. A significant increase in AST and ALT, α-fetoprotein, TNF-α, and cytokines IL6 and MDA and a significant decrease in the serum caspase and liver catalase were determined in HepG2-injected mice. Moreover, some large hyperchromatic heptocytes were observed and the percentage of the positive area/field of HepPar-1, the most specific HCC marker, was 9.56%. Interestingly, mice that received doxorubicin, L-arginine, or their combination showed an improvement in some of the previous parameters. The improvement was more prominent with L-arginine administration.
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Affiliation(s)
- Eman A Al-Shahari
- Department of Biology, Faculty of Science and Arts, King Khaled University, Abha, Saudi Arabia
- Department of Biology, Faculty of Science, Ibb University, Ibb, Yemen
| | - Amira Ragab El Barky
- Biochemistry Unit, Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt.
| | - Tarek M Mohamed
- Biochemistry Unit, Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt
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19
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Lin X, Zhang J, Fan D, Hou J, Wang H, Zhu L, Tian R, An X, Yan M. Frutescone O from Baeckea frutescens Blocked TLR4-Mediated Myd88/NF-κB and MAPK Signaling Pathways in LPS Induced RAW264.7 Macrophages. Front Pharmacol 2021; 12:643188. [PMID: 33986676 PMCID: PMC8112673 DOI: 10.3389/fphar.2021.643188] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/06/2021] [Indexed: 12/30/2022] Open
Abstract
Frutescone O was isolated from the aerial parts of Baeckea frutescens L., which was commonly used as a folk medicinal material for treating anti-inflammatory disease in South East Asia. This study aimed to investigate the anti-inflammatory activity and related signaling cascade of Frutescone O (Fru) in LPS induced RAW264.7 cells. The anti-inflammation activity of Frutescone O was determined according to the inhibitory effects on the secretion of nitric oxide (NO), expression of inducible NO synthase, and pro-inflammatory cytokines. The regulation of Myeloid differentiation factor 88 (Myd88), inhibition of NF-κB, and MAPK pathways were further investigated for molecular mechanisms. Fru significantly decreased the expression of iNOS and the production of NO in LPS-stimulated RAW264.7 cells. It also dose-dependently suppressed LPS induced expression of IL-1β, IL-6, and TNF-α. Furthermore, Fru remarkably inhibited the upregulation of NF-κB (p50) expression in the nucleus and the phosphorylation ratio of p38, JNK, ERK, and Myd88 signaling protein. The molecular docking and cellular thermal shift assay (CETSA) results indicated that Fru participated in a robust and stable interaction with the active site of TLR4-MD2. Thus, Fru suppressed the LPS induced inflammation in RAW264.7 cells by blocking the TLR4 mediated signal transduction through the NF-κB and MAPK signaling pathways and inhibiting the Myd88 and iNOS expression.
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Affiliation(s)
- Xiaobing Lin
- Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
| | - Junhan Zhang
- Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
| | - Decai Fan
- Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
| | - Jiqin Hou
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
| | - Hao Wang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
| | - Lin Zhu
- Department of Endocrinology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Ruina Tian
- Department of Endocrinology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaofei An
- Department of Endocrinology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Ming Yan
- Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
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20
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Alternative mRNA Processing of Innate Response Pathways in Respiratory Syncytial Virus (RSV) Infection. Viruses 2021; 13:v13020218. [PMID: 33572560 PMCID: PMC7912025 DOI: 10.3390/v13020218] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/27/2021] [Accepted: 01/28/2021] [Indexed: 12/14/2022] Open
Abstract
The innate immune response (IIR) involves rapid genomic expression of protective interferons (IFNs) and inflammatory cytokines triggered by intracellular viral replication. Although the transcriptional control of the innate pathway is known in substantial detail, little is understood about the complexity of alternative splicing (AS) and alternative polyadenylation (APA) of mRNAs underlying the cellular IIR. In this study, we applied single-molecule, real-time (SMRT) sequencing with mRNA quantitation using short-read mRNA sequencing to characterize changes in mRNA processing in the epithelial response to respiratory syncytial virus (RSV) replication. Mock or RSV-infected human small-airway epithelial cells (hSAECs) were profiled using SMRT sequencing and the curated transcriptome analyzed by structural and quality annotation of novel transcript isoforms (SQANTI). We identified 113,082 unique isoforms; 28,561 represented full splice matches, and 45% of genes expressed six or greater AS mRNA isoforms. Identification of differentially expressed AS isoforms was accomplished by mapping a short-read RNA sequencing expression matrix to the curated transcriptome, and 905 transcripts underwent differential polyadenylation site analysis enriched in protein secretion, translation, and mRNA degradation. We focused on 355 genes showing differential isoform utilization (DIU), indicating where a new AS isoform becomes a major fraction of mRNA isoforms expressed. In pathway and network enrichment analyses, we observed that DIU transcripts are substantially enriched in cell cycle control and IIR pathways. Interestingly, the RelA/IRF7 innate regulators showed substantial DIU where major transcripts included distinct isoforms with exon occlusion, intron inclusion, and alternative transcription start site utilization. We validated the presence of RelA and IRF7 AS isoforms as well as their induction by RSV using eight isoform-specific RT-PCR assays. These isoforms were identified in both immortalized and primary small-airway epithelial cells. We concluded that the cell cycle and IIR are differentially spliced in response to RSV. These data indicate that substantial post-transcriptional complexity regulates the antiviral response.
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21
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Kumar A, Sawhney G, Kumar Nagar R, Chauhan N, Gupta N, Kaul A, Ahmed Z, Sangwan PL, Satheesh Kumar P, Yadav G. Evaluation of the immunomodulatory and anti-inflammatory activity of Bakuchiol using RAW 264.7 macrophage cell lines and in animal models stimulated by lipopolysaccharide (LPS). Int Immunopharmacol 2020; 91:107264. [PMID: 33340782 DOI: 10.1016/j.intimp.2020.107264] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 11/23/2020] [Accepted: 11/27/2020] [Indexed: 12/01/2022]
Abstract
Bakuchiol (BAK) has been reported to have a diverse pharmacological property as an antibiotic, anti-cancer, anti-hypolipidemic, anti-inflammatory and anti-convulsant agent. This study aimed to elucidate the immunomodulation and anti-inflammatory mechanism of bakuchiol using lipopolysaccharide stimulated RAW 264.7 macrophages and various animal models. The present study has shown that BAK significantly suppressed the pro-inflammatory cytokine expression in a dose-dependent manner and its oral administration significantly decreased delayed hypersensitivity responses as compared to control group. The assessment of immunomodulatory activity was carried out by the testing Hemagglutinating antibody (HA) titer, delayed type hypersensitivity (DTH) responses and phagocytic index by carbon clearance test. On the other hand, it showed significant decrease in circulating antibody titer and carbon clearance assay in a concentration-dependent manner. BAK has significantly potentiated the cellular immunity as well as humoral immunity by facilitating the footpad thickness responses in sheep RBCs in sensitized mice by significantly decreasing circulating antibody titer. Molecular studies revealed that BAK inhibited the activation of upstream mediator nuclear factor-κB by suppressing the phosphorylation of IκBα and p65. The responses were statistically significant as compared with the control (*p < 0.05, **p < 0.01).
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Affiliation(s)
- Amit Kumar
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Mutagenicity Laboratory, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Gifty Sawhney
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Inflammation Pharmacology Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Rakesh Kumar Nagar
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Mutagenicity Laboratory, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Narendra Chauhan
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Mutagenicity Laboratory, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Nidhi Gupta
- Bio-organic Chemistry Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Anpurna Kaul
- Pharmacology Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Zabeer Ahmed
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Inflammation Pharmacology Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - P L Sangwan
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Bio-organic Chemistry Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.
| | - P Satheesh Kumar
- Laboratory Animal Facility, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Govind Yadav
- Academy of Science and Innovative Research (AcSIR), New Delhi, India; Mutagenicity Laboratory, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India; Laboratory Animal Facility, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.
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22
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Smart E, Semina SE, Frasor J. Update on the Role of NFκB in Promoting Aggressive Phenotypes of Estrogen Receptor-Positive Breast Cancer. Endocrinology 2020; 161:bqaa152. [PMID: 32887995 PMCID: PMC7521126 DOI: 10.1210/endocr/bqaa152] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023]
Abstract
The majority of breast cancers are diagnosed as estrogen receptor-positive (ER+) and respond well to ER-targeted endocrine therapy. Despite the initial treatability of ER+ breast cancer, this subtype still accounts for the majority of deaths. This is partly due to the changing molecular characteristics of tumors as they progress to aggressive, metastatic, and frequently therapy resistant disease. In these advanced tumors, targeting ER alone is often less effective, as other signaling pathways become active, and ER takes on a redundant or divergent role. One signaling pathway whose crosstalk with ER has been widely studied is the nuclear factor kappa B (NFκB) signaling pathway. NFκB is frequently implicated in ER+ tumor progression to an aggressive disease state. Although ER and NFκB frequently co-repress each other, it has emerged that the 2 pathways can positively converge to play a role in promoting endocrine resistance, metastasis, and disease relapse. This will be reviewed here, paying particular attention to new developments in the field. Ultimately, finding targeted therapies that remain effective as tumors progress remains one of the biggest challenges for the successful treatment of ER+ breast cancer. Although early attempts to therapeutically block NFκB activity frequently resulted in systemic toxicity, there are some effective options. The drugs parthenolide and dimethyl fumarate have both been shown to effectively inhibit NFκB, reducing tumor aggressiveness and reversing endocrine therapy resistance. This highlights the need to revisit targeting NFκB in the clinic to potentially improve outcome for patients with ER+ breast cancer.
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Affiliation(s)
- Emily Smart
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois
| | - Svetlana E Semina
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois
| | - Jonna Frasor
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois
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23
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Shrestha A, Bruckmueller H, Kildalsen H, Kaur G, Gaestel M, Wetting HL, Mikkola I, Seternes OM. Phosphorylation of steroid receptor coactivator-3 (SRC-3) at serine 857 is regulated by the p38 MAPK-MK2 axis and affects NF-κB-mediated transcription. Sci Rep 2020; 10:11388. [PMID: 32647362 PMCID: PMC7347898 DOI: 10.1038/s41598-020-68219-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022] Open
Abstract
Steroid receptor coactivator-3 (SRC-3) regulates the activity of both nuclear hormone receptors and a number of key transcription factors. It is implicated in the regulation of cell proliferation, inflammation and in the progression of several common cancers including breast, colorectal and lung tumors. Phosphorylation is an important regulatory event controlling the activities of SRC-3. Serine 857 is the most studied phospho-acceptor site, and its modification has been reported to be important for SRC-3-dependent tumor progression. In this study, we show that the stress-responsive p38MAPK-MK2 signaling pathway controls the phosphorylation of SRC-3 at S857 in a wide range of human cancer cells. Activation of the p38MAPK-MK2 pathway results in the nuclear translocation of SRC-3, where it contributes to the transactivation of NF-kB and thus regulation of IL-6 transcription. The identification of the p38MAPK-MK2 signaling axis as a key regulator of SRC-3 phosphorylation and activity opens up new possibilities for the development and testing of novel therapeutic strategies to control both proliferative and metastatic tumor growth.
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Affiliation(s)
- Anup Shrestha
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway
| | - Henrike Bruckmueller
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, 24105, Kiel, Germany
| | - Hanne Kildalsen
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway
| | - Gurjit Kaur
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway
| | - Matthias Gaestel
- Institute of Cell Biochemistry, Center of Biochemistry, Hannover Medical School, 30625, Hannover, Germany
| | - Hilde Ljones Wetting
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway
| | - Ingvild Mikkola
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway
| | - Ole-Morten Seternes
- Department of Pharmacy, UiT The Arctic University of Norway, 9037, Tromsø, Norway.
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24
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Zhang H, Cao N, Yang Z, Fang X, Yang X, Li H, Hong Z, Ji Z. Bilobalide Alleviated Dextran Sulfate Sodium-Induced Experimental Colitis by Inhibiting M1 Macrophage Polarization Through the NF-κB Signaling Pathway. Front Pharmacol 2020; 11:718. [PMID: 32670051 PMCID: PMC7326085 DOI: 10.3389/fphar.2020.00718] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 04/30/2020] [Indexed: 12/17/2022] Open
Abstract
Bilobalide, a unique Ginkgo biloba constituent has attracted significant interest as a novel therapeutic option for neuronal protection. However, there is paucity of data on its effect on colitis. This work sought to evaluate the effect of bilobalide on macrophage polarization in vitro and dextran sulfate sodium (DSS) induced colitis in vivo. Through the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and annexin V/PI assay, it was shown that bilobalide has no significant toxicity on macrophage. Lipopolysaccharide (LPS) and interferon-gamma (IFN-γ) induced macrophage activation and polarization were significantly suppressed by bilobalide as indicated by reduced expression of cytokine, major histocompatibility complex II (MHC-II), and CD11c. Pertinently, the signaling pathway study showed that the phosphorylation of p65 and its nuclear translocation were decreased while STAT1 was not affected. In DSS-treated mice, administration (i.g) of three doses of bilobalide na\mely 1.25 mg/kg (low dose group), 2.5 mg/kg (medium dose group), and 5 mg/kg (high dose group) was performed daily starting from day 1 to day 10. Medium and high dose bilobalide markedly reduced the inflammation of colitis proved via elevation of bodyweight, decrement in disease activity index (DAI), alleviation of colon damage as well as reduction in activity of colon tissue myeloperoxidase activity. In accordance with the in vitro results, the levels of inflammatory cytokines such as interleukin 6 (IL-6), IL-1β, and tumor necrosis factor (TNF-α) in serum as well as messenger RNA (mRNA) expression in colon were obviously reduced in the bilobalide treated groups. Also, factor nuclear factor kappa B (NF-κB) signaling pathway was decreased significantly by bilobalide treatment. Collectively, these results indicated that administration of bilobalide improved experimental colitis via inhibition of M1 macrophage polarization through the NF-κB signaling pathway. Thus, bilobalide could act as a potential drug for the treatment of inflammatory bowel disease (IBD) in the not-too-distant future.
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Affiliation(s)
- Heng Zhang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Nengqi Cao
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Zhilong Yang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Xingchao Fang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Xinyu Yang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Hao Li
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Zhi Hong
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
| | - Zhenling Ji
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
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25
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Grosshans HK, Fischer TT, Steinle JA, Brill AL, Ehrlich BE. Neuronal Calcium Sensor 1 is up-regulated in response to stress to promote cell survival and motility in cancer cells. Mol Oncol 2020; 14:1134-1151. [PMID: 32239615 PMCID: PMC7266285 DOI: 10.1002/1878-0261.12678] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 02/08/2020] [Accepted: 03/25/2020] [Indexed: 12/13/2022] Open
Abstract
Changes in intracellular calcium (Ca2+) signaling can modulate cellular machinery required for cancer progression. Neuronal calcium sensor 1 (NCS1) is a ubiquitously expressed Ca2+‐binding protein that promotes tumor aggressiveness by enhancing cell survival and metastasis. However, the underlying mechanism by which NCS1 contributes to increased tumor aggressiveness has yet to be identified. In this study, we aimed to determine (a) whether NCS1 expression changes in response to external stimuli, (b) the importance of NCS1 for cell survival and migration, and (c) the cellular mechanism(s) through which NSC1 modulates these outcomes. We found that NCS1 abundance increases under conditions of stress, most prominently after stimulation with the pro‐inflammatory cytokine tumor necrosis factor α, in a manner dependent on nuclear factor kappa‐light‐chain‐enhancer of activated B cells (NFκB). We found that NFκB signaling is activated in human breast cancer tissue, which was accompanied by an increase in NCS1 mRNA expression. Further exploration into the relevance of NCS1 in breast cancer progression showed that knockout of NCS1 (NCS1 KO) caused decreased cell survival and motility, increased baseline intracellular Ca2+ levels, and decreased inositol 1,4,5‐trisphosphate‐mediated Ca2+ responses. Protein kinase B (Akt) activity was decreased in NCS1 KO cells, which could be rescued by buffering intracellular Ca2+. Conversely, Akt activity was increased in cells overexpressing NCS1 (NCS1 OE). We therefore conclude that NCS1 acts as cellular stress response protein up‐regulated by stress‐induced NFκB signaling and that NCS1 influences cell survival and motility through effects on Ca2+ signaling and Akt pathway activation.
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Affiliation(s)
- Henrike K Grosshans
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA
| | - Tom T Fischer
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA.,Institute of Pharmacology, Heidelberg University, Germany
| | - Julia A Steinle
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA
| | - Allison L Brill
- Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA
| | - Barbara E Ehrlich
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA.,Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA
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26
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Aptamer-based optical manipulation of protein subcellular localization in cells. Nat Commun 2020; 11:1347. [PMID: 32165631 PMCID: PMC7067792 DOI: 10.1038/s41467-020-15113-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 02/14/2020] [Indexed: 01/03/2023] Open
Abstract
Protein-dominant cellular processes cannot be fully decoded without precise manipulation of their activity and localization in living cells. Advances in optogenetics have allowed spatiotemporal control over cellular proteins with molecular specificity; however, these methods require recombinant expression of fusion proteins, possibly leading to conflicting results. Instead of modifying proteins of interest, in this work, we focus on design of a tunable recognition unit and develop an aptamer-based near-infrared (NIR) light-responsive nanoplatform for manipulating the subcellular localization of specific proteins in their native states. Our results demonstrate that this nanoplatform allows photocontrol over the cytoplasmic-nuclear shuttling behavior of the target RelA protein (a member of the NF-κβ family), enabling regulation of RelA-related signaling pathways. With a modular design, this aptamer-based nanoplatform can be readily extended for the manipulation of different proteins (e.g., lysozyme and p53), holding great potential to develop a variety of label-free protein photoregulation strategies for studying complex biological events. Optogenetic manipulation of protein localisation in cells involves the creation of fusions that can influence activity. Here the authors develop a near-infrared light-responsive aptamer-based system to regulate the nuclear-cytoplasmic shuttling of NF-κB subunit RelA.
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27
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Lei Q, Gu H, Li L, Wu T, Xie W, Li M, Zhao N. TNIP1-mediated TNF-α/NF-κB signalling cascade sustains glioma cell proliferation. J Cell Mol Med 2019; 24:530-538. [PMID: 31691497 PMCID: PMC6933386 DOI: 10.1111/jcmm.14760] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 09/16/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022] Open
Abstract
As a malignant tumour of the central nervous system, glioma exhibits high incidence and poor prognosis. Although TNIP1 and the TNF‐α/NF‐κB axis play key roles in immune diseases and inflammatory responses, their relationship and role in glioma remain unknown. Here, we revealed high levels of TNIP1 and TNF‐α/NF‐κB in glioma tissue. Glioma cell proliferation was activated with TNF‐α treatment and showed extreme sensitivity to the TNF receptor antagonist. Furthermore, loss of TNIP1 disbanded the A20 complex responsible for IκB degradation and NF‐κB nucleus translocation, and consequently erased TNFα‐induced glioma cell proliferation. Thus, our investigation uncovered a vital function of the TNIP1‐mediated TNF‐α/NF‐κB axis in glioma cell proliferation and provides novel insight into glioma pathology and diagnosis.
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Affiliation(s)
- Qingchun Lei
- Neurosurgery Department, The Second Affiliated Hospital of Kunming Medical University, Kunming, China.,Pu'er City People's Hospital, Pu'er, China
| | - Huan Gu
- Biochemistry and Molecular Biology Laboratory, School of Life Sciences, Yunnan University, Kunming, China
| | - Lei Li
- Neurosurgery Department, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Tingting Wu
- Neurosurgery Department, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Wentao Xie
- Neurosurgery Department, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Meizhang Li
- Biochemistry and Molecular Biology Laboratory, School of Life Sciences, Yunnan University, Kunming, China
| | - Ninghui Zhao
- Neurosurgery Department, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
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28
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Yo K, Rünger TM. The long non-coding RNA FLJ46906 binds to the transcription factors NF-κB and AP-1 and regulates expression of aging-associated genes. Aging (Albany NY) 2019; 10:2037-2050. [PMID: 30125263 PMCID: PMC6128423 DOI: 10.18632/aging.101528] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 08/13/2018] [Indexed: 01/06/2023]
Abstract
Several features differentiate aged cells from young cells, many of which are due to changes in gene expression during the aging process. The mechanisms of altered gene expression in aging cells remain incompletely understood, and we hypothesized that long non-coding (lnc) RNAs mediate at least some of these changes. We screened for alterations in lncRNA expression with aging in skin fibroblasts and identified the lncRNA FLJ46906 to be consistently upregulated with aging in-vivo and in-vitro. The function of this lncRNA has not been known. Here we show that FLJ46906 regulates several aging-associated genes, including IL1B, IL6, CXCL8, TGFB1, and ELN. We suggest that these effects are mediated through NF-κB and AP-1, because these aging-associated genes are regulated by NF-κB and AP-1, and because we found that FLJ46906 directly binds to these two transcription factors. This data supports a role of the lncRNA FLJ46906 in the aging process.
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Affiliation(s)
- Kazuyuki Yo
- Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA.,Current address: Dermatological R & D, POLA Chemical Industries Inc., Yokohama, Japan
| | - Thomas M Rünger
- Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA
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29
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Tian B, Liu Z, Yang J, Sun H, Zhao Y, Wakamiya M, Chen H, Rytting E, Zhou J, Brasier AR. Selective Antagonists of the Bronchiolar Epithelial NF-κB-Bromodomain-Containing Protein 4 Pathway in Viral-Induced Airway Inflammation. Cell Rep 2019; 23:1138-1151. [PMID: 29694891 DOI: 10.1016/j.celrep.2018.03.106] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 02/11/2018] [Accepted: 03/22/2018] [Indexed: 11/25/2022] Open
Abstract
The mechanisms by which the mammalian airway detects invading viral pathogens to trigger protective innate neutrophilic inflammation are incompletely understood. We observe that innate activation of nuclear factor κB (NF-κB)/RelA transcription factor indirectly activates atypical BRD4 histone acetyltransferase (HAT) activity, RNA polymerase II (Pol II) phosphorylation, and secretion of neutrophilic chemokines. To study this pathway in vivo, we developed a conditional knockout of RelA in distal airway epithelial cells; these animals have reduced mucosal BRD4/Pol II activation and neutrophilic inflammation to viral patterns. To further understand the role of BRD4 in vivo, two potent, highly selective small-molecule BRD4 inhibitors were developed. These well-tolerated inhibitors disrupt the BRD4 complex with Pol II and histones, completely blocking inducible epithelial chemokine production and neutrophilia. We conclude that RelA-BRD4 signaling in distal tracheobronchiolar epithelial cells mediates acute inflammation in response to luminal viral patterns. These potent BRD4 antagonists are versatile pharmacological tools for investigating BRD4 functions in vivo.
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Affiliation(s)
- Bing Tian
- Department of Internal Medicine, University of Texas, Galveston, TX 77555, USA; Sealy Center for Molecular Medicine, University of Texas, Galveston, TX 77555, USA
| | - Zhiqing Liu
- Department of Pharmacology and Toxicology, University of Texas, Galveston, TX 77555, USA
| | - Jun Yang
- Department of Internal Medicine, University of Texas, Galveston, TX 77555, USA; Sealy Center for Molecular Medicine, University of Texas, Galveston, TX 77555, USA
| | - Hong Sun
- Department of Internal Medicine, University of Texas, Galveston, TX 77555, USA
| | - Yingxin Zhao
- Department of Internal Medicine, University of Texas, Galveston, TX 77555, USA; Sealy Center for Molecular Medicine, University of Texas, Galveston, TX 77555, USA; Institute for Translational Sciences, University of Texas, Galveston, TX 77555, USA
| | - Maki Wakamiya
- Institute for Translational Sciences, University of Texas, Galveston, TX 77555, USA
| | - Haiying Chen
- Department of Pharmacology and Toxicology, University of Texas, Galveston, TX 77555, USA
| | - Erik Rytting
- Department of Obstetrics and Gynecology, University of Texas, Galveston, TX 77555, USA
| | - Jia Zhou
- Sealy Center for Molecular Medicine, University of Texas, Galveston, TX 77555, USA; Department of Pharmacology and Toxicology, University of Texas, Galveston, TX 77555, USA; Institute for Translational Sciences, University of Texas, Galveston, TX 77555, USA
| | - Allan R Brasier
- School of Medicine and Public Health, University of Wisconsin, Madison, WI 53715, USA.
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30
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Chithra MA, Ijinu TP, Kharkwal H, Sharma RK, Pushpangadan P, George V. Phenolic rich Cocos nucifera inflorescence extract ameliorates inflammatory responses in LPS-stimulated RAW264.7 macrophages and toxin-induced murine models. Inflammopharmacology 2019; 28:1073-1089. [DOI: 10.1007/s10787-019-00620-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 07/13/2019] [Indexed: 10/26/2022]
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31
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Jeknić S, Kudo T, Covert MW. Techniques for Studying Decoding of Single Cell Dynamics. Front Immunol 2019; 10:755. [PMID: 31031756 PMCID: PMC6470274 DOI: 10.3389/fimmu.2019.00755] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 03/21/2019] [Indexed: 12/21/2022] Open
Abstract
Cells must be able to interpret signals they encounter and reliably generate an appropriate response. It has long been known that the dynamics of transcription factor and kinase activation can play a crucial role in selecting an individual cell's response. The study of cellular dynamics has expanded dramatically in the last few years, with dynamics being discovered in novel pathways, new insights being revealed about the importance of dynamics, and technological improvements increasing the throughput and capabilities of single cell measurements. In this review, we highlight the important developments in this field, with a focus on the methods used to make new discoveries. We also include a discussion on improvements in methods for engineering and measuring single cell dynamics and responses. Finally, we will briefly highlight some of the many challenges and avenues of research that are still open.
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Affiliation(s)
- Stevan Jeknić
- Department of Bioengineering, Stanford University, Stanford, CA, United States.,Allen Discovery Center for Systems Modeling of Infection, Stanford, CA, United States
| | - Takamasa Kudo
- Allen Discovery Center for Systems Modeling of Infection, Stanford, CA, United States.,Department of Chemical and Systems Biology, Stanford University, Stanford, CA, United States
| | - Markus W Covert
- Department of Bioengineering, Stanford University, Stanford, CA, United States.,Allen Discovery Center for Systems Modeling of Infection, Stanford, CA, United States.,Department of Chemical and Systems Biology, Stanford University, Stanford, CA, United States
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32
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Mussbacher M, Salzmann M, Brostjan C, Hoesel B, Schoergenhofer C, Datler H, Hohensinner P, Basílio J, Petzelbauer P, Assinger A, Schmid JA. Cell Type-Specific Roles of NF-κB Linking Inflammation and Thrombosis. Front Immunol 2019; 10:85. [PMID: 30778349 PMCID: PMC6369217 DOI: 10.3389/fimmu.2019.00085] [Citation(s) in RCA: 372] [Impact Index Per Article: 74.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 01/11/2019] [Indexed: 12/22/2022] Open
Abstract
The transcription factor NF-κB is a central mediator of inflammation with multiple links to thrombotic processes. In this review, we focus on the role of NF-κB signaling in cell types within the vasculature and the circulation that are involved in thrombo-inflammatory processes. All these cells express NF-κB, which mediates important functions in cellular interactions, cell survival and differentiation, as well as expression of cytokines, chemokines, and coagulation factors. Even platelets, as anucleated cells, contain NF-κB family members and their corresponding signaling molecules, which are involved in platelet activation, as well as secondary feedback circuits. The response of endothelial cells to inflammation and NF-κB activation is characterized by the induction of adhesion molecules promoting binding and transmigration of leukocytes, while simultaneously increasing their thrombogenic potential. Paracrine signaling from endothelial cells activates NF-κB in vascular smooth muscle cells and causes a phenotypic switch to a “synthetic” state associated with a decrease in contractile proteins. Monocytes react to inflammatory situations with enforced expression of tissue factor and after differentiation to macrophages with altered polarization. Neutrophils respond with an extension of their life span—and upon full activation they can expel their DNA thereby forming so-called neutrophil extracellular traps (NETs), which exert antibacterial functions, but also induce a strong coagulatory response. This may cause formation of microthrombi that are important for the immobilization of pathogens, a process designated as immunothrombosis. However, deregulation of the complex cellular links between inflammation and thrombosis by unrestrained NET formation or the loss of the endothelial layer due to mechanical rupture or erosion can result in rapid activation and aggregation of platelets and the manifestation of thrombo-inflammatory diseases. Sepsis is an important example of such a disorder caused by a dysregulated host response to infection finally leading to severe coagulopathies. NF-κB is critically involved in these pathophysiological processes as it induces both inflammatory and thrombotic responses.
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Affiliation(s)
- Marion Mussbacher
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Manuel Salzmann
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Christine Brostjan
- Department of Surgery, General Hospital, Medical University of Vienna, Vienna, Austria
| | - Bastian Hoesel
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | | | - Hannes Datler
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Philipp Hohensinner
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - José Basílio
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Peter Petzelbauer
- Skin and Endothelial Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Alice Assinger
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Johannes A Schmid
- Institute of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
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33
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Gutschow MV, Mason JC, Lane KM, Maayan I, Hughey JJ, Bajar BT, Amatya DN, Valle SD, Covert MW. Combinatorial processing of bacterial and host-derived innate immune stimuli at the single-cell level. Mol Biol Cell 2018; 30:282-292. [PMID: 30462580 PMCID: PMC6589564 DOI: 10.1091/mbc.e18-07-0423] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
During the course of a bacterial infection, cells are exposed simultaneously to a range of bacterial and host factors, which converge on the central transcription factor nuclear factor (NF)-κB. How do single cells integrate and process these converging stimuli? Here we tackle the question of how cells process combinatorial signals by making quantitative single-cell measurements of the NF-κB response to combinations of bacterial lipopolysaccharide and the stress cytokine tumor necrosis factor. We found that cells encode the presence of both stimuli via the dynamics of NF-κB nuclear translocation in individual cells, suggesting the integration of NF-κB activity for these stimuli occurs at the molecular and pathway level. However, the gene expression and cytokine secretion response to combinatorial stimuli were more complex, suggesting that other factors in addition to NF-κB contribute to signal integration at downstream layers of the response. Taken together, our results support the theory that during innate immune threat assessment, a pathogen recognized as both foreign and harmful will recruit an enhanced immune response. Our work highlights the remarkable capacity of individual cells to process multiple input signals and suggests that a deeper understanding of signal integration mechanisms will facilitate efforts to control dysregulated immune responses.
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Affiliation(s)
- Miriam V Gutschow
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - John C Mason
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Keara M Lane
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Inbal Maayan
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Jacob J Hughey
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Bryce T Bajar
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Debha N Amatya
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Sean D Valle
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Markus W Covert
- Department of Bioengineering, Stanford University, Stanford, CA 94305
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34
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Woodward AM, Lehoux S, Mantelli F, Di Zazzo A, Brockhausen I, Bonini S, Argüeso P. Inflammatory Stress Causes N-Glycan Processing Deficiency in Ocular Autoimmune Disease. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 189:283-294. [PMID: 30448401 DOI: 10.1016/j.ajpath.2018.10.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 09/10/2018] [Accepted: 10/16/2018] [Indexed: 12/19/2022]
Abstract
High levels of proinflammatory cytokines have been associated with a loss of tissue function in ocular autoimmune diseases, but the basis for this relationship remains poorly understood. Here we investigate a new role for tumor necrosis factor α in promoting N-glycan-processing deficiency at the surface of the eye through inhibition of N-acetylglucosaminyltransferase expression in the Golgi. Using mass spectrometry, complex-type biantennary oligosaccharides were identified as major N-glycan structures in differentiated human corneal epithelial cells. Remarkably, significant differences were detected between the efficacies of cytokines in regulating the expression of glycogenes involved in the biosynthesis of N-glycans. Tumor necrosis factor α but not IL-1β had a profound effect in suppressing the expression of enzymes involved in the Golgi branching pathway, including N-acetylglucosaminyltransferases 1 and 2, which are required for the formation of biantennary structures. This decrease in gene expression was correlated with a reduction in enzymatic activity and impaired N-glycan branching. Moreover, patients with ocular mucous membrane pemphigoid were characterized by marginal N-acetylglucosaminyltransferase expression and decreased N-glycan branching in the conjunctiva. Together, these data indicate that proinflammatory cytokines differentially influence the expression of N-glycan-processing enzymes in the Golgi and set the stage for future studies to explore the pathophysiology of ocular autoimmune diseases.
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Affiliation(s)
- Ashley M Woodward
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts
| | - Sylvain Lehoux
- Beth Israel Deaconess Medical Center, Department of Surgery, Harvard Medical School, Boston, Massachusetts
| | | | - Antonio Di Zazzo
- Ophthalmology Complex Unit, Campus Bio-Medico University of Rome, Rome, Italy
| | - Inka Brockhausen
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Stefano Bonini
- Ophthalmology Complex Unit, Campus Bio-Medico University of Rome, Rome, Italy
| | - Pablo Argüeso
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts.
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35
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Shamilov R, Aneskievich BJ. TNIP1 in Autoimmune Diseases: Regulation of Toll-like Receptor Signaling. J Immunol Res 2018; 2018:3491269. [PMID: 30402506 PMCID: PMC6192141 DOI: 10.1155/2018/3491269] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 09/17/2018] [Indexed: 02/08/2023] Open
Abstract
TNIP1 protein is increasingly being recognized as a key repressor of inflammatory signaling and a potential factor in multiple autoimmune diseases. In addition to earlier foundational reports of TNIP1 SNPs in human autoimmune diseases and TNIP1 protein-protein interaction with receptor regulating proteins, more recent studies have identified new potential interaction partners and signaling pathways likely modulated by TNIP1. Subdomains within the TNIP1 protein as well as how they interact with ubiquitin have not only been mapped but inflammatory cell- and tissue-specific consequences subsequent to their defective function are being recognized and related to human disease states such as lupus, scleroderma, and psoriasis. In this review, we emphasize receptor signaling complexes and regulation of cytoplasmic signaling steps downstream of TLR given their association with some of the same autoimmune diseases where TNIP1 has been implicated. TNIP1 dysfunction or deficiency may predispose healthy cells to the inflammatory response to otherwise innocuous TLR ligand exposure. The recognition of the anti-inflammatory roles of TNIP1 and improved integrated understanding of its physical and functional association with other signaling pathway proteins may position TNIP1 as a candidate target for the design and/or testing of next-generation anti-inflammatory therapeutics.
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Affiliation(s)
- Rambon Shamilov
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269-3092, USA
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA
| | - Brian J. Aneskievich
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269-3092, USA
- Stem Cell Institute, University of Connecticut, Storrs, CT 06269-3092, USA
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36
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Humphries JE, Deneckere LE. Characterization of a Toll-like receptor (TLR) signaling pathway in Biomphalaria glabrata and its potential regulation by NF-kappaB. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 86:118-129. [PMID: 29746981 DOI: 10.1016/j.dci.2018.05.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/26/2018] [Accepted: 05/03/2018] [Indexed: 05/16/2023]
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37
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Tian B, Widen SG, Yang J, Wood TG, Kudlicki A, Zhao Y, Brasier AR. The NFκB subunit RELA is a master transcriptional regulator of the committed epithelial-mesenchymal transition in airway epithelial cells. J Biol Chem 2018; 293:16528-16545. [PMID: 30166344 DOI: 10.1074/jbc.ra118.003662] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 07/20/2018] [Indexed: 12/14/2022] Open
Abstract
The epithelial-mesenchymal transition (EMT) is a multistep dedifferentiation program important in tissue repair. Here, we examined the role of the transcriptional regulator NF-κB in EMT of primary human small airway epithelial cells (hSAECs). Surprisingly, transforming growth factor β (TGFβ) activated NF-κB/RELA proto-oncogene, NF-κB subunit (RELA) translocation within 1 day of stimulation, yet induction of its downstream gene regulatory network occurred only after 3 days. A time course of TGFβ-induced EMT transition was analyzed by RNA-Seq in the absence or presence of inducible shRNA-mediated silencing of RELA. In WT cells, TGFβ stimulation significantly affected the expression of 2,441 genes. Gene set enrichment analysis identified WNT, cadherin, and NF-κB signaling as the most prominent TGFβ-inducible pathways. By comparison, RELA controlled expression of 3,138 overlapping genes mapping to WNT, cadherin, and chemokine signaling pathways. Conducting upstream regulator analysis, we found that RELA controls six clusters of upstream transcription factors, many of which overlapped with a transcription factor topology map of EMT developed earlier. RELA triggered expression of three key EMT pathways: 1) the WNT/β-catenin morphogen pathway, 2) the JUN transcription factor, and 3) the Snail family transcriptional repressor 1 (SNAI1). RELA binding to target genes was confirmed by ChIP. Experiments independently validating WNT dependence on RELA were performed by silencing RELA via genome editing and indicated that TGFβ-induced WNT5B expression and downstream activation of the WNT target AXIN2 are RELA-dependent. We conclude that RELA is a master transcriptional regulator of EMT upstream of WNT morphogen, JUN, SNAI1-ZEB1, and interleukin-6 autocrine loops.
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Affiliation(s)
- Bing Tian
- From the Departments of Internal Medicine and.,Sealy Center for Molecular Medicine, and
| | - Steven G Widen
- Sealy Center for Molecular Medicine, and.,Biochemistry and Molecular Biology
| | - Jun Yang
- From the Departments of Internal Medicine and.,Sealy Center for Molecular Medicine, and
| | - Thomas G Wood
- Sealy Center for Molecular Medicine, and.,Biochemistry and Molecular Biology
| | - Andrzej Kudlicki
- Sealy Center for Molecular Medicine, and.,Biochemistry and Molecular Biology.,Institute for Translational Sciences, University of Texas Medical Branch, Galveston, Texas 77555 and
| | - Yingxin Zhao
- From the Departments of Internal Medicine and.,Sealy Center for Molecular Medicine, and.,Institute for Translational Sciences, University of Texas Medical Branch, Galveston, Texas 77555 and
| | - Allan R Brasier
- Institute for Clinical and Translational Research, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin 53705
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38
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Jia L, Shi Y, Wen Y, Li W, Feng J, Chen C. The roles of TNFAIP2 in cancers and infectious diseases. J Cell Mol Med 2018; 22:5188-5195. [PMID: 30145807 PMCID: PMC6201362 DOI: 10.1111/jcmm.13822] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 06/21/2018] [Accepted: 07/05/2018] [Indexed: 12/30/2022] Open
Abstract
TNFα‐induced protein 2 (TNFAIP2) is a primary response gene of TNFα. TNFAIP2 is highly expressed in immune cells and the urinary bladder. The expression of TNFAIP2 is regulated by multiple transcription factors and signalling pathways, including NF‐κB, KLF5 and retinoic acid. Physiologically, TNFAIP2 appears to be a multiple functional mediator not only for inflammation, angiogenesis and tunneling nanotube (TNT) formation but also as a regulator of cell proliferation and migration. The expression of TNFAIP2 is frequently abnormal in human cancers and in infectious diseases. Due to its significant functions in cell proliferation, angiogenesis, migration and invasion, TNFAIP2 could be a potential diagnostic biomarker and therapeutic target for cancer.
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Affiliation(s)
- Lin Jia
- Department of Biology, Yuxi Normal University, Yuxi, China
| | - Yundong Shi
- Department of Biology, Yuxi Normal University, Yuxi, China
| | - Yi Wen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Wei Li
- Department of Urology of the First People's Hospital of Yunnan Province, Kunming, China.,Medical College of Kunming University of Science and Technology, Kunming, China
| | - Jing Feng
- Department of Laboratory Medicine & Central Laboratory, Southern Medical University Affiliated Fengxian Hospital, Shanghai, China
| | - Ceshi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
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39
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Gupta S, Ahsan AU, Wani A, Khajuria V, Nazir LA, Sharma S, Bhagat A, Raj Sharma P, Bhardwaj S, Peerzada KJ, Ali Shah B, Ahmed Z. The amino analogue of β-boswellic acid efficiently attenuates the release of pro-inflammatory mediators than its parent compound through the suppression of NF-κB/IκBα signalling axis. Cytokine 2018; 107:93-104. [DOI: 10.1016/j.cyto.2017.12.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 12/01/2017] [Accepted: 12/03/2017] [Indexed: 11/29/2022]
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40
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Janus P, Szołtysek K, Zając G, Stokowy T, Walaszczyk A, Widłak W, Wojtaś B, Gielniewski B, Iwanaszko M, Braun R, Cockell S, Perkins ND, Kimmel M, Widlak P. Pro-inflammatory cytokine and high doses of ionizing radiation have similar effects on the expression of NF-kappaB-dependent genes. Cell Signal 2018; 46:23-31. [PMID: 29476964 DOI: 10.1016/j.cellsig.2018.02.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 02/19/2018] [Accepted: 02/20/2018] [Indexed: 12/22/2022]
Abstract
The NF-κB transcription factors are activated via diverse molecular mechanisms in response to various types of stimuli. A plethora of functions associated with specific sets of target genes could be regulated differentially by this factor, affecting cellular response to stress including an anticancer treatment. Here we aimed to compare subsets of NF-κB-dependent genes induced in cells stimulated with a pro-inflammatory cytokine and in cells damaged by a high dose of ionizing radiation (4 and 10 Gy). The RelA-containing NF-κB species were activated by the canonical TNFα-induced and the atypical radiation-induced pathways in human osteosarcoma cells. NF-κB-dependent genes were identified using the gene expression profiling (by RNA-Seq) in cells with downregulated RELA combined with the global profiling of RelA binding sites (by ChIP-Seq), with subsequent validation of selected candidates by quantitative PCR. There were 37 NF-κB-dependent protein-coding genes identified: in all cases RelA bound in their regulatory regions upon activation while downregulation of RELA suppressed their stimulus-induced upregulation, which apparently indicated the positive regulation mode. This set of genes included a few "novel" NF-κB-dependent species. Moreover, the evidence for possible negative regulation of ATF3 gene by NF-κB was collected. The kinetics of the NF-κB activation was slower in cells exposed to radiation than in cytokine-stimulated ones. However, subsets of NF-κB-dependent genes upregulated by both types of stimuli were essentially the same. Hence, one should expect that similar cellular processes resulting from activation of the NF-κB pathway could be induced in cells responding to pro-inflammatory cytokines and in cells where so-called "sterile inflammation" response was initiated by radiation-induced damage.
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Affiliation(s)
- Patryk Janus
- Maria Skłodowska-Curie Institute, Oncology Center, Gliwice Branch, Gliwice, Poland
| | - Katarzyna Szołtysek
- Maria Skłodowska-Curie Institute, Oncology Center, Gliwice Branch, Gliwice, Poland
| | - Gracjana Zając
- Maria Skłodowska-Curie Institute, Oncology Center, Gliwice Branch, Gliwice, Poland
| | - Tomasz Stokowy
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Anna Walaszczyk
- Maria Skłodowska-Curie Institute, Oncology Center, Gliwice Branch, Gliwice, Poland
| | - Wiesława Widłak
- Maria Skłodowska-Curie Institute, Oncology Center, Gliwice Branch, Gliwice, Poland
| | - Bartosz Wojtaś
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warszawa, Poland
| | | | - Marta Iwanaszko
- Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Rosemary Braun
- Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Simon Cockell
- Faculty of Medical Sciences, Newcastle University, Newcastle, UK
| | - Neil D Perkins
- Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle, UK
| | | | - Piotr Widlak
- Maria Skłodowska-Curie Institute, Oncology Center, Gliwice Branch, Gliwice, Poland.
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41
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Ingredients from Litsea garrettii as Potential Preventive Agents against Oxidative Insult and Inflammatory Response. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:7616852. [PMID: 29743984 PMCID: PMC5884198 DOI: 10.1155/2018/7616852] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 12/19/2017] [Accepted: 01/09/2018] [Indexed: 12/21/2022]
Abstract
Oxidative stress and inflammation undoubtedly contribute to the pathogenesis of many human diseases. The nuclear transcription factor erythroid 2-related factor (Nrf2) and the nuclear factor κB (NF-κB) play central roles in regulation of oxidative stress and inflammation and thus are targets for developing agents against oxidative stress- and inflammation-related diseases. Our previous study indicated that the EtOH extract of Litsea garrettii protected human bronchial epithelial cells against oxidative insult via the activation of Nrf2. In the present study, a systemic phytochemical investigation of L. garrettii led to the isolation of twenty-one chemical ingredients, which were further evaluated for their inhibitions on oxidative stress and inflammation using NAD(P)H:quinone reductase (QR) assay and nitric oxide (NO) production assay. Of these ingredients, 3-methoxy-5-pentyl-phenol (MPP, 5) was identified as an Nrf2 activator and an NF-κB inhibitor. Further studies demonstrated the following: (i) MPP upregulated the protein levels of Nrf2, NAD(P)H:quinone oxidoreductase 1 (NQO1), and glutamate-cysteine ligase regulatory subunit (GCLM); enhanced the nuclear translocation and stabilization of Nrf2; and inhibited arsenic [As(III)]-induced oxidative insult in normal human lung epithelial Beas-2B cells. And (ii) MPP suppressed the nuclear translocation of NF-κB p65 subunit; inhibited the lipopolysaccharide- (LPS-) stimulated increases of NF-κB p65 subunit, COX-2, iNOS, TNF-α, and IL-1β; and blocked the LPS-induced biodegrade of IκB-α in RAW 264.7 murine macrophages. Taken together, MPP displayed potential preventive effects against inflammation- and oxidative stress-related diseases.
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42
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Choi J, Lee K, Ingvarsdottir K, Bonasio R, Saraf A, Florens L, Washburn MP, Tadros S, Green MR, Busino L. Loss of KLHL6 promotes diffuse large B-cell lymphoma growth and survival by stabilizing the mRNA decay factor roquin2. Nat Cell Biol 2018; 20:586-596. [PMID: 29695787 PMCID: PMC5926793 DOI: 10.1038/s41556-018-0084-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 03/13/2018] [Indexed: 12/30/2022]
Abstract
Kelch-like protein 6 (KLHL6) is an uncharacterized gene mutated in diffuse large B-cell lymphoma (DLBCL). We report that KLHL6 assembles with CULLIN3 to form a functional CULLIN-Ring ubiquitin ligase. Mutations of KLHL6 inhibit its ligase activity by disrupting the interaction with CULLIN3. Loss of KLHL6 favors DLBCL growth and survival both in vitro and in xenograft models. We further established the mRNA decay factor Roquin2 as a substrate of KLHL6. Degradation of Roquin2 is dependent on B-cell receptor activation, and requires the integrity of the tyrosine 691 in Roquin2 that is essential for its interaction with KLHL6. A non-degradable Roquin2 (Y691F) mutant requires its RNA binding ability to phenocopy the effect of KLHL6 loss. Stabilization of Roquin2 promotes mRNA decay of the tumor suppressor and NF-κB pathway inhibitor, tumor necrosis factor-α-inducible gene 3 (TNFAIP3). Collectively, our findings uncover the tumor suppressing mechanism of KLHL6.
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Affiliation(s)
- Jaewoo Choi
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA, USA.,Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kyutae Lee
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA, USA.,Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kristin Ingvarsdottir
- Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
| | - Roberto Bonasio
- Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
| | - Anita Saraf
- The Stowers Institute of Medical Research, Kansas City, MO, USA
| | | | - Michael P Washburn
- The Stowers Institute of Medical Research, Kansas City, MO, USA.,Department of Pathology and Laboratory Medicine, The University of Kansas Medical Center, Kansas City, KS, USA
| | - Saber Tadros
- Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael R Green
- Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Genomic Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Luca Busino
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA, USA. .,Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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43
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El Barky AR, Ezz AAH, Alm-Eldeen AAE, Hussein SA, Hafez YA, Mohamed TM. Can Stem Cells Ameliorate the Pancreatic Damage Induced by Streptozotocin in Rats? Can J Diabetes 2018. [DOI: 10.1016/j.jcjd.2017.04.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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44
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MicroRNA-105 is involved in TNF-α-related tumor microenvironment enhanced colorectal cancer progression. Cell Death Dis 2017; 8:3213. [PMID: 29238068 PMCID: PMC5870598 DOI: 10.1038/s41419-017-0048-x] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/10/2017] [Indexed: 12/15/2022]
Abstract
TNF-α is a central proinflammatory cytokine contributing to malignant tumor progression in tumor microenvironment. In this study, we found the upregulation of miR-105 in colorectal cancer was associated with aggressive phenotype, and the enhanced expression of miR-105 was required for TNF-α-induced epithelial–mesenchymal transition (EMT). The expression of miR-105 was remarkably stimulated by TNF-α in a time-dependent manner using real-time qPCR analysis. Inhibition of miR-105 remarkably weakened the aggressive effects of TNF-α through preventing the activation of NF-κB signaling and the initiation of EMT. Furthermore, miR-105 was demonstrated directly targeted on the 3′-UTRs of RAP2C, a Rap2 subfamily of small GTP-binding protein. Consistently, suppression of RAP2C stimulated the role of miR-105, which dramatically promoted the invasion and metastasis of CRC cells. Thalidomide, a TNF-α and NF-κB inhibitor, significantly weakened the metastasis and homing capacity of miR-105-overexpressed CRC cells in nude mice. Our investigation initiatively illustrated the modulatory role of miR-105 in TNF-α-induced EMT and further CRC metastasis. We also offer a better understanding of TNFα-induced metastasis and suggest an effective therapeutic strategy against CRC metastasis.
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Zhang Q, Gupta S, Schipper DL, Kowalczyk GJ, Mancini AE, Faeder JR, Lee REC. NF-κB Dynamics Discriminate between TNF Doses in Single Cells. Cell Syst 2017; 5:638-645.e5. [PMID: 29128333 DOI: 10.1016/j.cels.2017.10.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 08/30/2017] [Accepted: 10/13/2017] [Indexed: 01/28/2023]
Abstract
Although cytokine-dependent dynamics of nuclear factor κB (NF-κB) are known to encode information that regulates cell fate decisions, it is unclear whether single-cell responses are switch-like or encode more information about cytokine dose. Here, we measure the dynamic subcellular localization of NF-κB in response to a range of tumor necrosis factor (TNF) stimulation conditions to determine the prevailing mechanism of single-cell dose discrimination. Using an information theory formalism that accounts for signaling dynamics and non-responsive cell subpopulations, we find that the information transmission capacity of single cells exceeds that predicted from a switch-like response. Instead, we observe that NF-κB dynamics within single cells contain sufficient information to encode multiple, TNF-dependent cellular states, and have an activation threshold that varies across the population. By comparing single-cell responses to an internal, experimentally observed reference, we demonstrate that cells can grade responses to TNF across several orders of magnitude in concentration. This suggests that cells contain additional control points to fine-tune their cytokine responses beyond the decision to activate.
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Affiliation(s)
- Qiuhong Zhang
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Sanjana Gupta
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - David L Schipper
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Gabriel J Kowalczyk
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Allison E Mancini
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - James R Faeder
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Robin E C Lee
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA.
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Cruz JA, Childs EE, Amatya N, Garg AV, Beyaert R, Kane LP, Aneskievich BJ, Ma A, Gaffen SL. Interleukin-17 signaling triggers degradation of the constitutive NF-κB inhibitor ABIN-1. Immunohorizons 2017; 1:133-141. [PMID: 30761389 DOI: 10.4049/immunohorizons.1700035] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
IL-17 activates NF-κB and inducing expression of proinflammatory genes. IL-17 drives disease in autoimmune conditions, and anti-IL-17 antibodies have shown impressive success in the clinic. Although produced by lymphocytes, IL-17 predominantly signals in fibroblasts and epithelial cells. IL-17-driven inflammation is kept in check by negative feedback signaling molecules, including the ubiquitin editing enzyme A20, whose gene TNFΑIP3 is and similarly linked to autoimmune disease susceptibility. Accordingly, we hypothesized that ABIN-1 might play a role in negatively regulating IL-17 signaling activity. Indeed, ABIN-1 enhanced both tonic and IL-17-dependent NF-κB signaling in IL-17-responsive fibroblast cells. Interestingly, the inhibitory activities of ABIN-1 on IL-17 signaling were independent of A20. ABIN-1 is a known NF-κB target gene, and we found that IL-17-induced activation of NF-κB led to enhanced ABIN-1 mRNA expression and promoter activity. Surprisingly, however, the ABIN-1 protein was inducibly degraded following IL-17 signaling in a proteasome-dependent manner. Thus, ABIN-1, acting independently of A20, restricts both baseline and IL-17-induced inflammatory gene expression. We conclude that IL-17-induced signals lead to degradation of ABIN-1, thereby releasing a constitutive cellular brake on NF-κB activation.
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Affiliation(s)
- J Agustin Cruz
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
| | - Erin E Childs
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
| | - Nilesh Amatya
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
| | - Abhishek V Garg
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
| | - Rudi Beyaert
- VIB-UGent Center for Inflammation Research, Zwijnaarde, Ghent 9052, Belgium, and the Department of Biomedical Molecular Biology, Ghent University, Zwijnaarde, Ghent 9052, Belgium
| | - Lawrence P Kane
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
| | - Brian J Aneskievich
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut 06269, USA
| | - Averil Ma
- Department of Medicine, University of California, San Francisco, California 94143-0358, USA
| | - Sarah L Gaffen
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA.,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
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Yu QW, Wang H, Huo JT, An XF, Gao P, Jiang ZZ, Zhang LY, Yan M. Suppression of Baeckea frutescens L. and its components on MyD88-dependent NF-κB pathway in MALP-2-stimulated RAW264.7 cells. JOURNAL OF ETHNOPHARMACOLOGY 2017; 207:92-99. [PMID: 28576579 DOI: 10.1016/j.jep.2017.05.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 05/07/2017] [Accepted: 05/29/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Baeckea frutescens L. is commonly used as a folk medicinal material. There are nineteen components in its volatile oil, including Pcymol which has effects of eliminating phlegm, relieving asthma and antiviral. This study was aimed to investigate the anti-infectious inflammatory activities of Baeckea frutescens L. and its conponents and analyzing the mechanisms. MATERIALS AND METHODS The anti-infectious inflammation of Baeckea frutescens L. were studied by using macrophage activating lipopeptide-2 (MALP-2)-stimulated RAW264.7 cell model in vitro. Secretion of nitric oxide (NO), expression of inducible NO synthase (iNOS) and cytokines were detected as classic inflammatory index. Expression of Myeloid differentiation factor 88 (MyD88), degradation of inhibitory κBα (IκBα) and nuclear translocation of NF-κB p65 were further investigated. RESULTS The results suggested that Baeckea frutescens L. has effect on suppression of MALP-2-mediated inflammation in RAW264.7 cells. The secretion of NO and the expression of iNOS could be inhibited. The secretion of tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6) were also declined. Baeckea frutescens L. significantly decreased the expression of MyD88, therefore, inhibited the degradation of IκBα, reduced the level of nuclear translocation of p65. CONCLUSION The results of this study indicated that Baeckea frutescens L. and its components could inhibit the anti-infectious inflammatory events and iNOS expression in MALP-2 stimulated RAW264.7 cells. Among them, BF-2 might play a role through the inhibition of the MyD88 and NF-κB pathway. Our study might provide a new strategy to design and develop this kind of drug towards mycoplasma-infected inflammation.
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Affiliation(s)
- Qin-Wei Yu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China
| | - Hao Wang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Jing-Ting Huo
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Xiao-Fei An
- Department of Endocrinology, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing 210008, China
| | - Peng Gao
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China
| | - Zhen-Zhou Jiang
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, Nanjing 210009, China
| | - Lu-Yong Zhang
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, Nanjing 210009, China; Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing 210009, China.
| | - Ming Yan
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China.
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Guerra AD, Rose WE, Hematti P, Kao WJ. Minocycline modulates NFκB phosphorylation and enhances antimicrobial activity against Staphylococcus aureus in mesenchymal stromal/stem cells. Stem Cell Res Ther 2017; 8:171. [PMID: 28732530 PMCID: PMC5521110 DOI: 10.1186/s13287-017-0623-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 06/05/2017] [Accepted: 06/28/2017] [Indexed: 02/06/2023] Open
Abstract
Background Mesenchymal stromal/stem cells (MSCs) have demonstrated pro-healing properties due to their anti-inflammatory, angiogenic, and even antibacterial properties. We have shown previously that minocycline enhances the wound healing phenotype of MSCs, and MSCs encapsulated in poly(ethylene glycol) and gelatin-based hydrogels with minocycline have antibacterial properties against Staphylococcus aureus (SA). Here, we investigated the signaling pathway that minocycline modulates in MSCs which results in their enhanced wound healing phenotype and determined whether preconditioning MSCs with minocycline has an effect on antimicrobial activity. We further investigated the in-vivo antimicrobial efficacy of MSC and antibiotic-loaded hydrogels in inoculated full-thickness cutaneous wounds. Methods Modulation of cell signaling pathways in MSCs with minocycline was analyzed via western blot, immunofluorescence, and ELISA. Antimicrobial efficacy of MSCs pretreated with minocycline was determined by direct and transwell coculture with SA. MSC viability after SA coculture was determined via a LIVE/DEAD® stain. Internalization of SA by MSCs pretreated with minocycline was determined via confocal imaging. All protein and cytokine analysis was done via ELISA. The in-vivo antimicrobial efficacy of MSC and antibiotic-loaded hydrogels was determined in Sprague–Dawley rats inoculated with SA. Two-way ANOVA for multiple comparisons was used with Bonferroni test assessment and an unpaired two-tailed Student’s t test was used to determine p values for all assays with multiple or two conditions, respectively. Results Minocycline leads to the phosphorylation of transcriptional nuclear factor-κB (NFκB), but not c-Jun NH2-terminal kinase (JNK) or mitogen-activated protein kinase (ERK). Inhibition of NFκB activation prevented the minocycline-induced increase in VEGF secretion. Preconditioning of MSCs with minocycline led to a reduced production of the antimicrobial peptide LL-37, but enhanced antimicrobial activity against SA via an increased production of IL-6 and SA internalization. MSC and antibiotic-loaded hydrogels reduced SA bioburden in inoculated wounds over 3 days and accelerated reepithelialization. Conclusions Minocycline modulates the NFκB pathway in MSCs that leads to an enhanced production of IL-6 and internalization of SA. This mechanism may have contributed to the in-vivo antibacterial efficacy of MSC and antibiotic-loaded hydrogels. Electronic supplementary material The online version of this article (doi:10.1186/s13287-017-0623-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alberto Daniel Guerra
- School of Pharmacy, Division of Pharmaceutical Sciences, Pharmacy Practice Division, University of Wisconsin-Madison, 777 Highland Avenue, 7123 Rennebohm Hall, Madison, WI, 53705, USA
| | - Warren E Rose
- School of Pharmacy, Division of Pharmaceutical Sciences, Pharmacy Practice Division, University of Wisconsin-Madison, 777 Highland Avenue, 7123 Rennebohm Hall, Madison, WI, 53705, USA
| | - Peiman Hematti
- School of Medicine and Public Health, Department of Medicine, Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, 1685 Highland Avenue, Madison, WI, 53705, USA
| | - W John Kao
- School of Pharmacy, Division of Pharmaceutical Sciences, Pharmacy Practice Division, University of Wisconsin-Madison, 777 Highland Avenue, 7123 Rennebohm Hall, Madison, WI, 53705, USA. .,College of Engineering, Department of Biomedical Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI, 53706, USA. .,School of Medicine and Public Health, Department of Surgery, University of Wisconsin-Madison, 1685 Highland Avenue, Madison, WI, 53705, USA. .,Present Address: 10/F Knowles Building, Pokfulam, Hong Kong.
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Vlahopoulos SA. Aberrant control of NF-κB in cancer permits transcriptional and phenotypic plasticity, to curtail dependence on host tissue: molecular mode. Cancer Biol Med 2017; 14:254-270. [PMID: 28884042 PMCID: PMC5570602 DOI: 10.20892/j.issn.2095-3941.2017.0029] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The role of the transcription factor NF-κB in shaping the cancer microenvironment is becoming increasingly clear. Inflammation alters the activity of enzymes that modulate NF-κB function, and causes extensive changes in genomic chromatin that ultimately drastically alter cell-specific gene expression. NF-κB regulates the expression of cytokines and adhesion factors that control interactions among adjacent cells. As such, NF-κB fine tunes tissue cellular composition, as well as tissues' interactions with the immune system. Therefore, NF-κB changes the cell response to hormones and to contact with neighboring cells. Activating NF-κB confers transcriptional and phenotypic plasticity to a cell and thereby enables profound local changes in tissue function and composition. Research suggests that the regulation of NF-κB target genes is specifically altered in cancer. Such alterations occur not only due to mutations of NF-κB regulatory proteins, but also because of changes in the activity of specific proteostatic modules and metabolic pathways. This article describes the molecular mode of NF-κB regulation with a few characteristic examples of target genes.
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Affiliation(s)
- Spiros A Vlahopoulos
- The First Department of Pediatrics, University of Athens, Horemeio Research Laboratory, Athens 11527, Greece
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50
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Lipopolysaccharide derived from the digestive tract activates inflammatory gene expression and inhibits casein synthesis in the mammary glands of lactating dairy cows. Oncotarget 2016; 7:9652-65. [PMID: 26893357 PMCID: PMC4891074 DOI: 10.18632/oncotarget.7371] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 01/29/2016] [Indexed: 12/31/2022] Open
Abstract
To meet the nutrition requirements of lactation, dairy cows are usually fed a high concentrate diet (HC). However, high-grain feeding causes subacute ruminal acidosis (SARA), a metabolic disorder that causes milk protein depression. This study aimed to investigate the effect of lipopolysaccharide (LPS) released in the rumen on inflammatory gene expression and casein synthesis in mammary glands of lactating dairy cows fed a HC diet. We found that milk protein was significantly decreased in the HC group after 15 weeks of feeding. Overall, LPS concentrations in the rumen fluid, lacteal artery and vein were increased in the HC group. Transcriptome microarray was used to evaluate alterations in the signaling pathway in mammary glands. Signaling pathways involved in inflammatory responses were activated, whereas those involved in protein synthesis were inhibited in the HC group. mRNA expression involved in inflammatory responses, including that of TLR4, NF-кB and pro-inflammatory genes, was increased in the HC group, while αs1-casein (CSN1S1), β-casein (CSN2), mTOR and S6K gene expression were decreased. Moreover, protein expression was consistent with the corresponding gene expression. After feeding with an HC diet, LPS derived from the rumen increased inflammatory gene expression and inhibited casein synthesis in the mammary glands of lactating dairy cows fed a HC diet.
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