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Lasser S, Ozbay Kurt FG, Fritz L, Gutzeit N, De La Torre C, Altevogt P, Utikal J, Umansky V. Generation of Myeloid-Derived Suppressor Cells Mediated by MicroRNA-125a-5p in Melanoma. Int J Mol Sci 2024; 25:6693. [PMID: 38928399 DOI: 10.3390/ijms25126693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024] Open
Abstract
The ability of tumor-derived extracellular vesicles (EVs) to modulate the function of myeloid cells is widely recognized. Hence, a comprehensive understanding of the distinct components associated with EVs and the signals that they deliver to myeloid cells could provide potential approaches to impede the immunosuppression by myeloid-derived suppressor cells (MDSCs). We investigated melanoma EV-associated microRNAs (miRs) using the RET transgenic melanoma mouse model and simulated their transfer to normal myeloid cells by transfecting immature mouse myeloid cells and human monocytes. We observed elevated levels of miR-125a-5p, -125b-5p, and let-7e-5p in mouse melanoma-infiltrating MDSCs. In addition, miR-125a-5p levels in the tumor microenvironment correlated with mouse melanoma progression. The delivery of miR-125a-5p, alone or in combination with let-7e-5p and miR-99b-5p from the same genomic cluster, to normal myeloid cells resulted in their conversion to MDSC-like cells. Our findings indicate that miR-125a-5p could modulate myeloid cell activation in the melanoma microenvironment via a NF-κB-dependent mechanism.
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Affiliation(s)
- Samantha Lasser
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
- Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Feyza Gul Ozbay Kurt
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
- Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Lennart Fritz
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
- Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Nina Gutzeit
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
- Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Carolina De La Torre
- NGS Core Facility, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Peter Altevogt
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
- Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Jochen Utikal
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
| | - Viktor Umansky
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- DFKZ-Hector Cancer Institute, University Medical Center Mannheim, 68167 Mannheim, Germany
- Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
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Jo H, Shin S, Agura T, Jeong S, Ahn H, Lee J, Kim Y, Kang JS. The Role of α-Enolase on the Production of Interleukin (IL)-32 in Con A-Mediated Inflammation and Rheumatoid Arthritis (RA). Pharmaceuticals (Basel) 2024; 17:531. [PMID: 38675491 PMCID: PMC11054489 DOI: 10.3390/ph17040531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Interleukin (IL)-32 is produced by T lymphocytes, natural killer cells, monocytes, and epithelial cells. IL-32 induces the production of pro-inflammatory cytokines such as tumor necrosis factor (TNF)-α, IL-1β, IL-6, and IL-8, and IL-32 expression is highly increased in rheumatoid arthritis (RA) patients. Enolase-1 (ENO1) is a glycolytic enzyme and the stimulation of ENO1 induces high levels of pro-inflammatory cytokines in concanavalin A (Con A)-activated peripheral blood mononuclear cells (PBMCs) and macrophages in RA patients. In addition, there are many reports that anti-ENO1 antibody is correlated with the disease progression of RA. It implies that ENO1 could regulate IL-32 production during inflammation related to the pathogenesis of RA. Therefore, we investigated the role of ENO1 in IL-32 production using Con A-activated PBMCs and RA PBMCs. IL-32 expression is increased by ENO1 stimulation using real-time PCR and ELISA. In addition, we confirmed that IL-32 production was decreased in Con A-activated PBMCs and RA PBMCs pre-treated with NF-κB or p38 MAPK pathway inhibitors. Taken together, these results suggest that ENO1 plays an important role in inflammation through the induction of IL-32 production by the activation of the NF-κB and p38 MAPK pathways.
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Affiliation(s)
- Hyejung Jo
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
| | - Seulgi Shin
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul 03080, Republic of Korea;
| | - Tomoyo Agura
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
| | - Seoyoun Jeong
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
| | - Hyovin Ahn
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
| | - Junmyung Lee
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
| | - Yejin Kim
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul 03080, Republic of Korea;
| | - Jae Seung Kang
- Laboratory of Vitamin C and Antioxidant Immunology, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.); (T.A.); (S.J.); (H.A.); (J.L.); (Y.K.)
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul 03080, Republic of Korea;
- Artificial Intelligence Institute, Seoul National University, Seoul 08826, Republic of Korea
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
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Apte MM, Khattar E, Tupe RS. Mechanistic role of Syzygium cumini (L.) Skeels in glycation induced diabetic nephropathy via RAGE-NF-κB pathway and extracellular proteins modifications: A molecular approach. JOURNAL OF ETHNOPHARMACOLOGY 2024; 322:117573. [PMID: 38110133 DOI: 10.1016/j.jep.2023.117573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/23/2023] [Accepted: 12/07/2023] [Indexed: 12/20/2023]
Abstract
ETHNOPHARMACOLOGY RELEVANCE Syzygium cumini (L.) Skeels (SC), an ancient medicinal plant, is used as a complementary and alternative medicine for treating diabetes mellitus and its associated complications, such as diabetic nephropathy (DN). Phytochemicals present in SC homeopathic formulations possess anti-glycemic, anti-glycation, anti-inflammatory, and antioxidant properties. Additionally, the non-enzymatic formation of advanced glycation end products (AGEs) increases during hyperglycemia in diabetes. AGEs interaction with their receptor of AGEs (RAGE) promotes inflammation via Nuclear Factor-κB (NF-κB) and the accumulation of Extracellular Matrix (ECM) proteins, contributing to the renal dysfunction in DN. However, the molecular mechanism through which SC formulations interact with the AGEs-RAGE-NF-κB pathway has not yet been investigated. AIM This study aims to examine the impact of SC formulations on the RAGE-NF-κB pathway and ECM protein modifications in glycation-induced DN using a molecular approach. MATERIALS AND METHODS Human serum albumin (10 mg/ml) was glycated with MGO (55 mM) in the presence of SC formulations - Mother tincture (MT), 30C, 200C for 7 days. Glycated samples were added to renal cells (HEK 293) for 24 h. Subsequently, cellular gene and protein expressions of RAGE, NF-κB, vascular endothelial growth factor (VEGF), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), collagen IV (Col IV), and fibronectin were determined using RT-qPCR and Western blot analysis. The immunofluorescence, luciferase assay, and chromatin immunoprecipitation techniques were employed to gain insights into glycation-induced NF-κB nuclear translocation, transcriptional activity, and its effect on RAGE promoter activity in SC-treated cells. RESULTS SC formulations significantly downregulated glycation-induced elevated levels of RAGE and NF-κB. Mechanistically, SC formulations prevented NF-κB nuclear translocation, transcriptional activity, and RAGE promoter activity. Also, SC formulations significantly attenuated glycation-enhanced expressions of inflammatory cytokines (IL-6, TNF-α, and VEGF) and ECM proteins (Col IV and fibronectin). CONCLUSION Our findings enlighten the molecular mechanism of SC in DN by targeting the AGEs-RAGE-NF-κB signaling pathway, inflammatory responses, and ECM accumulation. Hence, the study validates the protective role of SC formulations and signifies its novel potential for treating DN.
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Affiliation(s)
- Mayura M Apte
- Symbiosis School of Biological Sciences, Symbiosis International (Deemed University) (SIU), Lavale, Pune, Maharashtra State, India.
| | - Ekta Khattar
- Department of Biological Sciences, Sunandan Divatia School of Science, SVKM's NMIMS (Deemed to be) University, Mumbai, India.
| | - Rashmi S Tupe
- Symbiosis School of Biological Sciences, Symbiosis International (Deemed University) (SIU), Lavale, Pune, Maharashtra State, India.
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Feng AC, Thomas BJ, Purbey PK, de Melo FM, Liu X, Daly AE, Sun F, Lo JHH, Cheng L, Carey MF, Scumpia PO, Smale ST. The transcription factor NF-κB orchestrates nucleosome remodeling during the primary response to Toll-like receptor 4 signaling. Immunity 2024; 57:462-477.e9. [PMID: 38430908 PMCID: PMC10984581 DOI: 10.1016/j.immuni.2024.02.004] [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: 06/25/2023] [Revised: 11/26/2023] [Accepted: 02/07/2024] [Indexed: 03/05/2024]
Abstract
Inducible nucleosome remodeling at hundreds of latent enhancers and several promoters shapes the transcriptional response to Toll-like receptor 4 (TLR4) signaling in macrophages. We aimed to define the identities of the transcription factors that promote TLR-induced remodeling. An analysis strategy based on ATAC-seq and single-cell ATAC-seq that enriched for genomic regions most likely to undergo remodeling revealed that the transcription factor nuclear factor κB (NF-κB) bound to all high-confidence peaks marking remodeling during the primary response to the TLR4 ligand, lipid A. Deletion of NF-κB subunits RelA and c-Rel resulted in the loss of remodeling at high-confidence ATAC-seq peaks, and CRISPR-Cas9 mutagenesis of NF-κB-binding motifs impaired remodeling. Remodeling selectivity at defined regions was conferred by collaboration with other inducible factors, including IRF3- and MAP-kinase-induced factors. Thus, NF-κB is unique among TLR4-activated transcription factors in its broad contribution to inducible nucleosome remodeling, alongside its ability to activate poised enhancers and promoters assembled into open chromatin.
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Affiliation(s)
- An-Chieh Feng
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Brandon J Thomas
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Psychiatry and Behavioral Science, University of Washington, Seattle, WA 98195, USA
| | - Prabhat K Purbey
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Filipe Menegatti de Melo
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Howard Hughes Medical Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xin Liu
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Allison E Daly
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Fei Sun
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jerry Hung-Hao Lo
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Lijing Cheng
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Michael F Carey
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Philip O Scumpia
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Stephen T Smale
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Howard Hughes Medical Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA.
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Xiao YC, Chen FE. The vinyl sulfone motif as a structural unit for novel drug design and discovery. Expert Opin Drug Discov 2024; 19:239-251. [PMID: 37978948 DOI: 10.1080/17460441.2023.2284201] [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: 09/01/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
INTRODUCTION Vinyl sulfones are a special sulfur-containing structural unit that have attracted considerable attention, owing to their important role in serving as key structural motifs of various biologically active compounds as well as serving as versatile building blocks for organic transformations. The synthetic strategy of vinyl sulfone derivatives has been substantially upgraded over the past 30 years, and the wide application of this functional group in drug design and discovery has been promoted. AREA COVERED In this review, the authors review the application of vinyl sulfones in drug discovery and select optimized compounds which might have significant impact or potential inspiration for drug design. EXPERT OPINION Vinyl sulfones have been reported to target various macromolecular targets via non-covalent or covalent interactions, including multiple kinases, tubulin, cysteine protease, transcription factor, and so on. Thus, it has been significantly applied as a privileged scaffold in the design of anticancer, anti-infective, anti-inflammatory, and neuroprotective agents. However, much work remains to be done to improve the drug-like properties, such as chemical and metabolic stability, ADME, and toxicity. Besides, the chemical space of vinyl sulfones needs to be expanded, including but not limited to the design of constrained endocyclic and exocyclic vinyl sulfones.
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Affiliation(s)
- You-Cai Xiao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Fen-Er Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Ministry of Education and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai, China
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Sun X, Yu J, Cui X, Tang Y, Yu Y. Inhibition of USP21 leads to ovarian carcinoma cell death by suppressing MAPK signaling. Biotechnol Appl Biochem 2024; 71:232-239. [PMID: 37964466 DOI: 10.1002/bab.2535] [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: 07/19/2023] [Accepted: 11/02/2023] [Indexed: 11/16/2023]
Abstract
Ovarian cancer is the most aggressive and lethal of all gynecologic malignancies. Although the overexpression (OE) of ubiquitin-specific peptidase 21 (USP21) has been observed in multiple cancers, its expression profile and biological function in ovarian cancer remain unknown. The expression levels of USP21 in ovarian cancer cells and tissues as well as adjacent normal tissues were assessed by qRT-PCR or Western blot assay. The biological function of USP21 in ovarian cancer cells was assessed by cell growth assay in vitro and a tumor growth model in vivo. Our study revealed that USP21 was markedly elevated in ovarian carcinoma tissues compared with adjacent normal tissues. Downregulation of USP21 attenuated the expression levels of MEK2 and p-ERK1/2. Depletion of USP21 resulted in suppressed cell growth of ovarian cancers in vitro and inhibited tumor growth in vivo. Conversely, OE of USP21 promoted the cell proliferation of ovarian cancers and conferred resistance to BAY 11-7082. These findings provide evidences supporting the notion of USP21 as a promising therapeutic target for the treatment of ovarian cancer.
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Affiliation(s)
- Xin Sun
- Department of Gynecology, Zibo Central Hospital, Zibo, Shandong, China
| | - Jia Yu
- Department of Gynecology, Zibo Central Hospital, Zibo, Shandong, China
| | - Xiaorong Cui
- Department of Gynecology, Zibo Central Hospital, Zibo, Shandong, China
| | - Yujie Tang
- Department of Gynecology, Zibo Central Hospital, Zibo, Shandong, China
| | - Yani Yu
- Department of Gynecology, Zibo Central Hospital, Zibo, Shandong, China
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Li XX, Fung JN, Clark RJ, Lee JD, Woodruff TM. Cell-intrinsic C5a synergizes with Dectin-1 in macrophages to mediate fungal killing. Proc Natl Acad Sci U S A 2024; 121:e2314627121. [PMID: 38252818 PMCID: PMC10835034 DOI: 10.1073/pnas.2314627121] [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: 08/24/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
The complement factor C5a is a core effector product of complement activation. C5a, acting through its receptors C5aR1 and C5aR2, exerts pleiotropic immunomodulatory functions in myeloid cells, which is vital for host defense against pathogens. Pattern-recognition receptors (PRRs) are similarly expressed by immune cells as detectors of pathogen-associated molecular patterns. Although there is evidence of cross talk between complement and PRR signaling pathways, knowledge of the full potential for C5a-PRR interaction is limited. In this study, we comprehensively investigated how C5a signaling through C5a receptors can modulate diverse PRR-mediated cytokine responses in human primary monocyte-derived macrophages and observed a powerful, concentration-dependent bidirectional effect of C5a on PRR activities. Unexpectedly, C5a synergized with Dectin-1, Mincle, and STING in macrophages to a much greater extent than TLRs. Notably, we also identified that selective Dectin-1 activation using depleted zymosan triggered macrophages to generate cell-intrinsic C5a, which acted on intracellular and cell surface C5aR1, to help sustain mitochondrial ROS generation, up-regulate TNFα production, and enhance fungal killing. This study adds further evidence to the holistic functions of C5a as a central immunomodulator and important orchestrator of pathogen sensing and killing by phagocytes.
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Affiliation(s)
- Xaria X. Li
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia, QLD4072, Australia
| | - Jenny N. Fung
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia, QLD4072, Australia
| | - Richard J. Clark
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia, QLD4072, Australia
| | - John D. Lee
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia, QLD4072, Australia
| | - Trent M. Woodruff
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia, QLD4072, Australia
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Farhana A, Alsrhani A, Alghsham RS, Derafa W, Khan YS, Rasheed Z. Gold Nanoparticles Downregulate IL-6 Expression/Production by Upregulating microRNA-26a-5p and Deactivating the RelA and NF-κBp50 Transcription Pathways in Activated Breast Cancer Cells. Int J Mol Sci 2024; 25:1404. [PMID: 38338683 PMCID: PMC10855246 DOI: 10.3390/ijms25031404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/27/2023] [Accepted: 01/04/2024] [Indexed: 02/12/2024] Open
Abstract
MicroRNAs (miRNAs) are involved in the modulation of pathogenic genes by binding to their mRNA sequences' 3' untranslated regions (3'UTR). Interleukin-6 (IL-6) is known to promote cancer progression and treatment resistance. In this study, we aimed to explore the therapeutic effects of gold nanoparticles (GNP) against IL-6 overexpression and the modulation of miRNA-26a-5p in breast cancer (BC) cells. GNP were synthesized using the trisodium citrate method and characterized through UV-Vis spectroscopy, dynamic light scattering (DLS), and transmission electron microscopy (TEM). To predict the binding of miR-26a-5p in the IL-6 mRNA's 3'UTR, we utilized bioinformatics algorithms. Luciferase reporter clone assays and anti-miRNA-26a-5p transfection were employed to validate the binding of miR26a-5p in the IL-6 mRNA's 3'UTR. The activity of RelA and NF-κBp50 was assessed and confirmed using Bay 11-7082. The synthesized GNP were spherical with a mean size of 28.3 nm, exhibiting high stability, and were suitable for BC cell treatment. We found that miR-26a-5p directly regulated IL-6 overexpression in MCF-7 cells activated with PMA. Treatment of MCF-7 cells with GNP resulted in the inhibition of IL-6 overexpression and secretion through the increase of miR26a-5p. Furthermore, GNP deactivated NF-κBp65/NF-κBp50 transcription activity. The newly engineered GNP demonstrated safety and showed promise as a therapeutic approach for reducing IL-6 overexpression. The GNP suppressed IL-6 overexpression and secretion by deactivating NF-κBp65/NF-κBp50 transcription activity and upregulating miR-26a-5p expression in activated BC cells. These findings suggest that GNP have potential as a therapeutic intervention for BC by targeting IL-6 expression and associated pathways.
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Affiliation(s)
- Aisha Farhana
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Abdullah Alsrhani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Ruqaih S. Alghsham
- Department of Pathology, College of Medicine, Qassim University, Buraidah 51452, Saudi Arabia; (R.S.A.); (Z.R.)
| | - Wassila Derafa
- Department of Chemistry, College of Science, Jouf University, Aljouf 72388, Saudi Arabia;
| | - Yusuf Saleem Khan
- Department of Anatomy, College of Medicine, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Zafar Rasheed
- Department of Pathology, College of Medicine, Qassim University, Buraidah 51452, Saudi Arabia; (R.S.A.); (Z.R.)
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Yao J, Sterling K, Wang Z, Zhang Y, Song W. The role of inflammasomes in human diseases and their potential as therapeutic targets. Signal Transduct Target Ther 2024; 9:10. [PMID: 38177104 PMCID: PMC10766654 DOI: 10.1038/s41392-023-01687-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 09/18/2023] [Accepted: 10/13/2023] [Indexed: 01/06/2024] Open
Abstract
Inflammasomes are large protein complexes that play a major role in sensing inflammatory signals and triggering the innate immune response. Each inflammasome complex has three major components: an upstream sensor molecule that is connected to a downstream effector protein such as caspase-1 through the adapter protein ASC. Inflammasome formation typically occurs in response to infectious agents or cellular damage. The active inflammasome then triggers caspase-1 activation, followed by the secretion of pro-inflammatory cytokines and pyroptotic cell death. Aberrant inflammasome activation and activity contribute to the development of diabetes, cancer, and several cardiovascular and neurodegenerative disorders. As a result, recent research has increasingly focused on investigating the mechanisms that regulate inflammasome assembly and activation, as well as the potential of targeting inflammasomes to treat various diseases. Multiple clinical trials are currently underway to evaluate the therapeutic potential of several distinct inflammasome-targeting therapies. Therefore, understanding how different inflammasomes contribute to disease pathology may have significant implications for developing novel therapeutic strategies. In this article, we provide a summary of the biological and pathological roles of inflammasomes in health and disease. We also highlight key evidence that suggests targeting inflammasomes could be a novel strategy for developing new disease-modifying therapies that may be effective in several conditions.
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Affiliation(s)
- Jing Yao
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Keenan Sterling
- Townsend Family Laboratories, Department of Psychiatry, Brain Research Center, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Zhe Wang
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Yun Zhang
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China.
| | - Weihong Song
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Townsend Family Laboratories, Department of Psychiatry, Brain Research Center, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada.
- Zhejiang Clinical Research Center for Mental Disorders, Key Laboratory of Alzheimer's Disease of Zhejiang Province, School of Mental Health and The Affiliated Kangning Hospital, Institute of Aging, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, 325000, China.
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10
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Kim MJ, Ahn HJ, Kong D, Lee S, Kim DH, Kang KS. Modeling of solar UV-induced photodamage on the hair follicles in human skin organoids. J Tissue Eng 2024; 15:20417314241248753. [PMID: 38725732 PMCID: PMC11080775 DOI: 10.1177/20417314241248753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 04/06/2024] [Indexed: 05/12/2024] Open
Abstract
Solar ultraviolet (sUV) exposure is known to cause skin damage. However, the pathological mechanisms of sUV on hair follicles have not been extensively explored. Here, we established a model of sUV-exposed skin and its appendages using human induced pluripotent stem cell-derived skin organoids with planar morphology containing hair follicles. Our model closely recapitulated several symptoms of photodamage, including skin barrier disruption, extracellular matrix degradation, and inflammatory response. Specifically, sUV induced structural damage and catagenic transition in hair follicles. As a potential therapeutic agent for hair follicles, we applied exosomes isolated from human umbilical cord blood-derived mesenchymal stem cells to sUV-exposed organoids. As a result, exosomes effectively alleviated inflammatory responses by inhibiting NF-κB activation, thereby suppressing structural damage and promoting hair follicle regeneration. Ultimately, our model provided a valuable platform to mimic skin diseases, particularly those involving hair follicles, and to evaluate the efficacy and underlying mechanisms of potential therapeutics.
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Affiliation(s)
- Min-Ji Kim
- Adult Stem Cell Research Center and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hee-Jin Ahn
- Cytotherapy R&D Center, PRIMORIS THERAPEUTICS CO., LTD., Gwangmyeong-si, Gyeonggi-do, Republic of Korea
| | - Dasom Kong
- Adult Stem Cell Research Center and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Seunghee Lee
- Stem Cell and Regenerative Bioengineering Institute, Global R&D Center, Kangstem Biotech Co., Ltd., Geumcheon-gu, Seoul, Republic of Korea
| | - Da-Hyun Kim
- Adult Stem Cell Research Center and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
- Department of Biotechnology, Sungshin Women’s University, Seoul, Republic of Korea
| | - Kyung-Sun Kang
- Adult Stem Cell Research Center and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
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11
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Duan T, Feng Y, Du Y, Xing C, Chu J, Ou J, Liu X, Zhu M, Qian C, Yin B, Wang HY, Cui J, Wang R. USP3 plays a critical role in the induction of innate immune tolerance. EMBO Rep 2023; 24:e57828. [PMID: 37971847 PMCID: PMC10702844 DOI: 10.15252/embr.202357828] [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: 07/14/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023] Open
Abstract
Microbial products, such as lipopolysaccharide (LPS), can elicit efficient innate immune responses against invading pathogens. However, priming with LPS can induce a form of innate immune memory, termed innate immune "tolerance", which blunts subsequent NF-κB signaling. Although epigenetic and transcriptional reprogramming has been shown to play a role in innate immune memory, the involvement of post-translational regulation remains unclear. Here, we report that ubiquitin-specific protease 3 (USP3) participates in establishing "tolerance" innate immune memory through non-transcriptional feedback. Upon NF-κB signaling activation, USP3 is stabilized and exits the nucleus. The cytoplasmic USP3 specifically removes the K63-linked polyubiquitin chains on MyD88, thus negatively regulating TLR/IL1β-induced inflammatory signaling activation. Importantly, cytoplasmic translocation is a prerequisite step for USP3 to deubiquitinate MyD88. Additionally, LPS priming could induce cytoplasmic retention and faster and stronger cytoplasmic translocation of USP3, enabling it to quickly shut down NF-κB signaling upon the second LPS challenge. This work identifies a previously unrecognized post-translational feedback loop in the MyD88-USP3 axis, which is critical for inducing normal "tolerance" innate immune memory.
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Affiliation(s)
- Tianhao Duan
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life SciencesSun Yat‐sen UniversityGuangzhouChina
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
| | - Yanchun Feng
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life SciencesSun Yat‐sen UniversityGuangzhouChina
| | - Yang Du
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life SciencesSun Yat‐sen UniversityGuangzhouChina
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
| | - Changsheng Xing
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
- Norris Comprehensive Cancer Center, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Junjun Chu
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
| | - Jiayu Ou
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life SciencesSun Yat‐sen UniversityGuangzhouChina
| | - Xin Liu
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
- Department of Pediatrics, Children's Hospital Los Angeles, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Motao Zhu
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
| | - Chen Qian
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
- Department of Pediatrics, Children's Hospital Los Angeles, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Bingnan Yin
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
- Department of Pediatrics, Children's Hospital Los Angeles, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Helen Y Wang
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
- Department of Pediatrics, Children's Hospital Los Angeles, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Jun Cui
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life SciencesSun Yat‐sen UniversityGuangzhouChina
| | - Rong‐Fu Wang
- Department of Medicine, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Center for Inflammation and EpigeneticsHouston Methodist Research InstituteHoustonTXUSA
- Norris Comprehensive Cancer Center, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
- Department of Pediatrics, Children's Hospital Los Angeles, Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCAUSA
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12
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Abstract
Ubiquitination is an essential regulator of most, if not all, signalling pathways, and defects in cellular signalling are central to cancer initiation, progression and, eventually, metastasis. The attachment of ubiquitin signals by E3 ubiquitin ligases is directly opposed by the action of approximately 100 deubiquitinating enzymes (DUBs) in humans. Together, DUBs and E3 ligases coordinate ubiquitin signalling by providing selectivity for different substrates and/or ubiquitin signals. The balance between ubiquitination and deubiquitination is exquisitely controlled to ensure properly coordinated proteostasis and response to cellular stimuli and stressors. Not surprisingly, then, DUBs have been associated with all hallmarks of cancer. These relationships are often complex and multifaceted, highlighted by the implication of multiple DUBs in certain hallmarks and by the impact of individual DUBs on multiple cancer-associated pathways, sometimes with contrasting cancer-promoting and cancer-inhibiting activities, depending on context and tumour type. Although it is still understudied, the ever-growing knowledge of DUB function in cancer physiology will eventually identify DUBs that warrant specific inhibition or activation, both of which are now feasible. An integrated appreciation of the physiological consequences of DUB modulation in relevant cancer models will eventually lead to the identification of patient populations that will most likely benefit from DUB-targeted therapies.
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Affiliation(s)
- Grant Dewson
- Ubiquitin Signalling Division, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.
- Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia.
| | - Pieter J A Eichhorn
- Curtin Medical School, Curtin University, Perth, Western Australia, Australia.
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.
| | - David Komander
- Ubiquitin Signalling Division, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.
- Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia.
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13
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Hou CH, Chen PC, Liu JF. CXCL1 enhances COX-II expression in rheumatoid arthritis synovial fibroblasts by CXCR2, PLC, PKC, and NF-κB signal pathway. Int Immunopharmacol 2023; 124:110909. [PMID: 37722260 DOI: 10.1016/j.intimp.2023.110909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/26/2023] [Accepted: 09/05/2023] [Indexed: 09/20/2023]
Abstract
Rheumatoid arthritis (RA) is the most common autoimmune disease, affecting the joints of the hands and feet. Several chemokines and their receptors are crucial in RA pathogenesis through immune cell recruitment. C-X-C Motif Chemokine Ligand 1 (CXCL1), a chemokine for the recruitment of various immune cells, can be upregulated in patients with RA. However, the discussion on the role of CXCL1 in RA pathogenesis is insufficient. Here, we found that CXCL1 promoted cyclooxygenase-2 (COX-II) expression in a dose- and time-dependent manner in rheumatoid arthritis synovial fibroblasts (RASFs). CXCL1 overexpression in RASFs led to a significant increase in COX-II expression, while the transfection of RASFs with the shRNA plasmid resulted in a noticeable decrease in COX-II expression. Next, we delineated the molecular mechanism underlying CXCL1-promoted COX-II expression and noted that CXC chemokine receptor 2 (CXCR2), phospholipase C (PLC), and protein kinase C (PKC) signal transduction were responsible for COX-II expression after CXCL1 incubation for RASFs. Finally, we confirmed the transcriptional activation of nuclear factor κB (NF-κB) in RASFs after incubation with CXCL1. In conclusion, the current study provided a novel insight into the role of CXCL1 in RA pathogenesis.
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Affiliation(s)
- Chun-Han Hou
- Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei City, Taiwan
| | - Po-Chun Chen
- School of Life Science, National Taiwan Normal University, Taipei, Taiwan; Translational Medicine Center, Shin-Kong Wu Ho-Su Memorial Hospital, Taipei City, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.
| | - Ju-Fang Liu
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan; School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.
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14
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Zheng X, Zhao D, Jin Y, Liu Y, Liu D. Role of the NLRP3 inflammasome in gynecological disease. Biomed Pharmacother 2023; 166:115393. [PMID: 37660654 DOI: 10.1016/j.biopha.2023.115393] [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: 07/04/2023] [Revised: 08/20/2023] [Accepted: 08/26/2023] [Indexed: 09/05/2023] Open
Abstract
The NLR family pyrin domain containing 3 (NLRP3) inflammasome is involved in the innate immune system and is a three-part macromolecular complex comprising the NLRP3 protein, apoptosis-associated speck-like protein containing a CARD (ASC) and the cysteine protease pro-caspase-1. When the NLRP3 inflammasome is activated, it can produce interleukin (IL)- 1β and IL-18 and eventually lead to inflammatory cell pyroptosis. Related studies have demonstrated that the NLRP3 inflammasome can induce an immune response and is related to the occurrence and development of gynecological diseases, such as endometriosis, polycystic ovary syndrome and breast cancer. NLRP3 inflammasome inhibitors are beneficial for maintaining cellular homeostasis and tissue health and have been found effective in targeting some gynecological diseases. However, excessive inhibitor concentrations have been found to cause adverse effects. Therefore, proper control of NLRP3 inflammasome activity is critical. This paper summarizes the structure and function of the NLRP3 inflammasome and highlights the therapeutic potential of targeting it in gynecological diseases, such as endometriosis, polycystic ovary syndrome and breast cancer The application of NLRP3 inflammasome inhibitors is also discussed.
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Affiliation(s)
- Xu Zheng
- College of Acupuncture and Massage, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Dan Zhao
- College of Acupuncture and Massage, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Ye Jin
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China.
| | - Yang Liu
- Acupuncture department,Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130117, Jilin, China.
| | - Da Liu
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China.
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15
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Teichmann E, Blessing E, Hinz B. Non-Psychoactive Phytocannabinoids Inhibit Inflammation-Related Changes of Human Coronary Artery Smooth Muscle and Endothelial Cells. Cells 2023; 12:2389. [PMID: 37830604 PMCID: PMC10571842 DOI: 10.3390/cells12192389] [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: 08/18/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 10/14/2023] Open
Abstract
Atherosclerosis is associated with vascular smooth muscle cell proliferation, chronic vascular inflammation, and leukocyte adhesion. In view of the cardioprotective effects of cannabinoids described in recent years, the present study investigated the impact of the non-psychoactive phytocannabinoids cannabidiol (CBD) and tetrahydrocannabivarin (THCV) on proliferation and migration of human coronary artery smooth muscle cells (HCASMC) and on inflammatory markers in human coronary artery endothelial cells (HCAEC). In HCASMC, CBD and THCV at nontoxic concentrations exhibited inhibitory effects on platelet-derived growth factor-triggered proliferation (CBD) and migration (CBD, THCV). When interleukin (IL)-1β- and lipopolysaccharide (LPS)-stimulated HCAEC were examined, both cannabinoids showed a concentration-dependent decrease in the expression of vascular cell adhesion molecule-1 (VCAM-1), which was mediated independently of classical cannabinoid receptors and was not accompanied by a comparable inhibition of intercellular adhesion molecule-1. Further inhibitor experiments demonstrated that reactive oxygen species, p38 mitogen-activated protein kinase activation, histone deacetylase, and nuclear factor κB (NF-κB) underlie IL-1β- and LPS-induced expression of VCAM-1. In this context, CBD and THCV were shown to inhibit phosphorylation of NF-κB regulators in LPS- but not IL-1β-stimulated HCAEC. Stimulation of HCAEC with IL-1β and LPS was associated with increased adhesion of monocytes, which, however, could not be significantly abolished by CBD and THCV. In summary, the results highlight the potential of the non-psychoactive cannabinoids CBD and THCV to regulate inflammation-related changes in HCASMC and HCAEC. Considering their effect on both cell types studied, further preclinical studies could address the use of CBD and THCV in drug-eluting stents for coronary interventions.
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Affiliation(s)
| | | | - Burkhard Hinz
- Institute of Pharmacology and Toxicology, Rostock University Medical Center, Schillingallee 70, 18057 Rostock, Germany; (E.T.); (E.B.)
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16
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Ajetunmobi OH, Wall G, Vidal Bonifacio B, Martinez Delgado LA, Chaturvedi AK, Najvar LK, Wormley FL, Patterson HP, Wiederhold NP, Patterson TF, Lopez-Ribot JL. High-Throughput Screening of the Repurposing Hub Library to Identify Drugs with Novel Inhibitory Activity against Candida albicans and Candida auris Biofilms. J Fungi (Basel) 2023; 9:879. [PMID: 37754987 PMCID: PMC10532723 DOI: 10.3390/jof9090879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/18/2023] [Accepted: 08/25/2023] [Indexed: 09/28/2023] Open
Abstract
Candidiasis is one of the most frequent nosocomial infections affecting an increasing number of at-risk patients. Candida albicans remains the most frequent causative agent of candidiasis, but, in the last decade, C. auris has emerged as a formidable multi-drug-resistant pathogen. Both species are fully capable of forming biofilms, which contribute to resistance, increasing the urgency for new effective antifungal therapies. Repurposing existing drugs could significantly accelerate the development of novel therapies against candidiasis. Here, we have screened the Repurposing Hub library from the Broad Institute, containing over 6000 compounds, in search for inhibitors of C. albicans and C. auris biofilm formation. The primary screen identified 57 initial hits against C. albicans and 33 against C. auris. Confirmatory concentration-dependent assays were used to validate the activity of the initial hits and, at the same time, establish their anti-biofilm potency. Based on these results, ebselen, temsirolimus, and compound BAY 11-7082 emerged as the leading repositionable compounds. Subsequent experiments established their spectrum of antifungal activity against yeasts and filamentous fungi. In addition, their in vivo activity was examined in the murine models of hematogenously disseminated C. albicans and C. auris infections. Although promising, further in vitro and in vivo studies are needed to confirm their potential use for the therapy of candidiasis and possibly other fungal infections.
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Affiliation(s)
- Olabayo H. Ajetunmobi
- Department of Molecular Microbiology & Immunology, South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, San Antonio, TX 78249, USA; (O.H.A.); (A.K.C.)
| | - Gina Wall
- Department of Molecular Microbiology & Immunology, South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, San Antonio, TX 78249, USA; (O.H.A.); (A.K.C.)
| | - Bruna Vidal Bonifacio
- Department of Molecular Microbiology & Immunology, South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, San Antonio, TX 78249, USA; (O.H.A.); (A.K.C.)
| | | | - Ashok K. Chaturvedi
- Department of Molecular Microbiology & Immunology, South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, San Antonio, TX 78249, USA; (O.H.A.); (A.K.C.)
| | - Laura K. Najvar
- Department of Medicine, Division of Infectious Diseases, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (L.K.N.); (T.F.P.)
| | - Floyd L. Wormley
- Department of Biology, Texas Christian University, Fort Worth, TX 76129, USA;
| | - Hoja P. Patterson
- Department of Pathology and Laboratory Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (H.P.P.); (N.P.W.)
| | - Nathan P. Wiederhold
- Department of Pathology and Laboratory Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (H.P.P.); (N.P.W.)
| | - Thomas F. Patterson
- Department of Medicine, Division of Infectious Diseases, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (L.K.N.); (T.F.P.)
| | - Jose L. Lopez-Ribot
- Department of Molecular Microbiology & Immunology, South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, San Antonio, TX 78249, USA; (O.H.A.); (A.K.C.)
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17
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Bianchi A, De Castro Silva I, Deshpande NU, Singh S, Mehra S, Garrido VT, Guo X, Nivelo LA, Kolonias DS, Saigh SJ, Wieder E, Rafie CI, Dosch AR, Zhou Z, Umland O, Amirian H, Ogobuiro IC, Zhang J, Ban Y, Shiau C, Nagathihalli NS, Montgomery EA, Hwang WL, Brambilla R, Komanduri K, Villarino AV, Toska E, Stanger BZ, Gabrilovich DI, Merchant NB, Datta J. Cell-Autonomous Cxcl1 Sustains Tolerogenic Circuitries and Stromal Inflammation via Neutrophil-Derived TNF in Pancreatic Cancer. Cancer Discov 2023; 13:1428-1453. [PMID: 36946782 PMCID: PMC10259764 DOI: 10.1158/2159-8290.cd-22-1046] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/13/2023] [Accepted: 02/24/2023] [Indexed: 03/23/2023]
Abstract
We have shown that KRAS-TP53 genomic coalteration is associated with immune-excluded microenvironments, chemoresistance, and poor survival in pancreatic ductal adenocarcinoma (PDAC) patients. By treating KRAS-TP53 cooperativity as a model for high-risk biology, we now identify cell-autonomous Cxcl1 as a key mediator of spatial T-cell restriction via interactions with CXCR2+ neutrophilic myeloid-derived suppressor cells in human PDAC using imaging mass cytometry. Silencing of cell-intrinsic Cxcl1 in LSL-KrasG12D/+;Trp53R172H/+;Pdx-1Cre/+(KPC) cells reprograms the trafficking and functional dynamics of neutrophils to overcome T-cell exclusion and controls tumor growth in a T cell-dependent manner. Mechanistically, neutrophil-derived TNF is a central regulator of this immunologic rewiring, instigating feed-forward Cxcl1 overproduction from tumor cells and cancer-associated fibroblasts (CAF), T-cell dysfunction, and inflammatory CAF polarization via transmembrane TNF-TNFR2 interactions. TNFR2 inhibition disrupts this circuitry and improves sensitivity to chemotherapy in vivo. Our results uncover cancer cell-neutrophil cross-talk in which context-dependent TNF signaling amplifies stromal inflammation and immune tolerance to promote therapeutic resistance in PDAC. SIGNIFICANCE By decoding connections between high-risk tumor genotypes, cell-autonomous inflammatory programs, and myeloid-enriched/T cell-excluded contexts, we identify a novel role for neutrophil-derived TNF in sustaining immunosuppression and stromal inflammation in pancreatic tumor microenvironments. This work offers a conceptual framework by which targeting context-dependent TNF signaling may overcome hallmarks of chemoresistance in pancreatic cancer. This article is highlighted in the In This Issue feature, p. 1275.
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Affiliation(s)
- Anna Bianchi
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Iago De Castro Silva
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Nilesh U. Deshpande
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Samara Singh
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Siddharth Mehra
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Vanessa T. Garrido
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Xinyu Guo
- Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Luis A. Nivelo
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Despina S. Kolonias
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL, USA
| | | | - Eric Wieder
- Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Christine I. Rafie
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Austin R. Dosch
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Zhiqun Zhou
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Oliver Umland
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Haleh Amirian
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Ifeanyichukwu C. Ogobuiro
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jian Zhang
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Yuguang Ban
- Department of Public Health Sciences; University of Miami Miller School of Medicine, Miami, FL, USA Miami, FL, USA
| | - Carina Shiau
- Center for Systems Biology, Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Nagaraj S. Nagathihalli
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
- Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Elizabeth A. Montgomery
- Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Miami, FL, USA
| | - William L. Hwang
- Center for Systems Biology, Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Roberta Brambilla
- The Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Krishna Komanduri
- Department of Medicine, University of California San Francisco Health, San Francisco, CA, USA
| | - Alejandro V. Villarino
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Eneda Toska
- Department of Oncology, Sidney Kimmel Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ben Z. Stanger
- Division of Gastroenterology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | - Nipun B. Merchant
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
- Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Jashodeep Datta
- Division of Surgical Oncology, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
- Sylvester Comprehensive Cancer Center, Miami, FL, USA
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18
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Ninck S, Halder V, Krahn JH, Beisser D, Resch S, Dodds I, Scholtysik R, Bormann J, Sewald L, Gupta MD, Heilmann G, Bhandari DD, Morimoto K, Buscaill P, Hause B, van der Hoorn RAL, Kaschani F, Kaiser M. Chemoproteomics Reveals the Pan-HER Kinase Inhibitor Neratinib To Target an Arabidopsis Epoxide Hydrolase Related to Phytohormone Signaling. ACS Chem Biol 2023; 18:1076-1088. [PMID: 37115018 DOI: 10.1021/acschembio.2c00322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Plant phytohormone pathways are regulated by an intricate network of signaling components and modulators, many of which still remain unknown. Here, we report a forward chemical genetics approach for the identification of functional SA agonists in Arabidopsis thaliana that revealed Neratinib (Ner), a covalent pan-HER kinase inhibitor drug in humans, as a modulator of SA signaling. Instead of a protein kinase, chemoproteomics unveiled that Ner covalently modifies a surface-exposed cysteine residue of Arabidopsis epoxide hydrolase isoform 7 (AtEH7), thereby triggering its allosteric inhibition. Physiologically, the Ner application induces jasmonate metabolism in an AtEH7-dependent manner as an early response. In addition, it modulates PATHOGENESIS RELATED 1 (PR1) expression as a hallmark of SA signaling activation as a later effect. AtEH7, however, is not the exclusive target for this physiological readout induced by Ner. Although the underlying molecular mechanisms of AtEH7-dependent modulation of jasmonate signaling and Ner-induced PR1-dependent activation of SA signaling and thus defense response regulation remain unknown, our present work illustrates the powerful combination of forward chemical genetics and chemical proteomics for identifying novel phytohormone signaling modulatory factors. It also suggests that marginally explored metabolic enzymes such as epoxide hydrolases may have further physiological roles in modulating signaling.
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Affiliation(s)
- Sabrina Ninck
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Vivek Halder
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
- Chemical Biology Laboratory, Max-Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, 50829 Cologne, Germany
| | - Jan H Krahn
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Daniela Beisser
- Department of Biodiversity, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 5, 45117 Essen, Germany
| | - Sarah Resch
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Isobel Dodds
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - René Scholtysik
- Genomics and Transcriptomics Facility, Institute for Cell Biology (Tumour Research), University of Duisburg-Essen, Virchowstr. 173, 45122 Essen, Germany
| | - Jenny Bormann
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Leonard Sewald
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Mainak D Gupta
- Department of Molecular Biology, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Geronimo Heilmann
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Deepak D Bhandari
- Department of Plant-Microbe Interactions, Max-Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, Cologne 50829, Germany
| | - Kyoko Morimoto
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - Pierre Buscaill
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - Bettina Hause
- Department of Metabolic and Cell Biology, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle, Germany
| | - Renier A L van der Hoorn
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - Farnusch Kaschani
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Markus Kaiser
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
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Oh J, Kim SA, Kwon KW, Choi SR, Lee CH, Hossain MA, Kim ES, Kim C, Lee BH, Lee S, Kim JH, Cho JY. Sophora flavescens Aiton methanol extract exerts anti-inflammatory effects via reduction of Src kinase phosphorylation. JOURNAL OF ETHNOPHARMACOLOGY 2023; 305:116015. [PMID: 36563890 DOI: 10.1016/j.jep.2022.116015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 11/21/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sophora flavescens Aiton (Family: Leguminosae), an herbal plant, has been used in East Asian home remedies for centuries for treating ulcers, skin burns, fevers, and inflammatory disorders. In addition, the dried root of S. flavescens was also applied for antipyretic, analgesic, antihelmintic, and stomachic uses. AIM OF STUDY Nonetheless, how this plant can show various pharmacological activities including anti-inflammatory responses was not fully elucidated. In this study, therefore, we aimed to investigate the curative effects of S. flavescens on inflammation and its molecular mechanism. MATERIALS AND METHODS For reaching this aim, various in vitro and in vivo experimental models with LPS-treated RAW264.7 cells, HCl/EtOH-induced gastric ulcer, and LPS-triggered lung injury conditions were employed and anti-inflammatory activity of S. flavescens methanol extract (Sf-ME) was also tested. Fingerprinting profile of Sf-ME was identified via LC-MS analysis. Its anti-inflammatory molecular mechanism was also examined by immunoblotting analysis. RESULTS Nitric oxide production and mRNA expression levels of iNOS, COX-2, IL-1β, and TNF-α were decreased. Additionally, phosphorylation of Src in the signaling cascade was decreased, and activities of the transcriptional factor NF-κB were reduced as determined by a luciferase reporter assay. Moreover, in vivo, gastritis and lung injury lesions were attenuated by Sf-ME. CONCLUSION Taken together, these findings suggest that Sf-ME could be a potential anti-inflammatory therapeutic agent via suppression of Src kinase activity and regulation of IL-1β secretion.
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Affiliation(s)
- Jieun Oh
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, South Korea.
| | - Seung A Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, South Korea.
| | - Ki Woong Kwon
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, South Korea.
| | - Se Rin Choi
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029, South Korea.
| | - Choong Hwan Lee
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029, South Korea.
| | - Mohammad Amjad Hossain
- College of Veterinary Medicine, Chonbuk National University, Icksan, 54596, South Korea.
| | - Eun Sil Kim
- National Institute of Biological Resources, Environmental Research Complex, Incheon, 22689, South Korea.
| | - Changmu Kim
- National Institute of Biological Resources, Environmental Research Complex, Incheon, 22689, South Korea.
| | - Byoung-Hee Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon, 22689, South Korea.
| | - Sarah Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon, 22689, South Korea.
| | - Jong-Hoon Kim
- College of Veterinary Medicine, Chonbuk National University, Icksan, 54596, South Korea.
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, South Korea.
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20
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Li Y, Hu Y, Wang Z, Lu T, Yang Y, Diao H, Zheng X, Xie C, Zhang P, Zhang X, Zhou Y. IKBA phosphorylation governs human sperm motility through ACC-mediated fatty acid beta-oxidation. Commun Biol 2023; 6:323. [PMID: 36966253 PMCID: PMC10039860 DOI: 10.1038/s42003-023-04693-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/10/2023] [Indexed: 03/27/2023] Open
Abstract
The nuclear factor-κB (NF-κB) signaling pathway regulates specific immunological responses and controls a wide range of physiological processes. NF-κB inhibitor alpha (IKBA) is an NF-κB inhibitory mediator in the cytoplasm that modulates the nuclear translocation and DNA binding activities of NF-κB proteins. However, whether the upstream cascade of the canonical NF-κB signaling pathway has physiological roles independent of IKBA-mediated transcriptional activation remains unclear. Herein we investigated the function of IKBA in mature sperm in which transcriptional and translational events do not occur. IKBA was highly expressed in human sperm. The repression of IKBA phosphorylation by its inhibitor Bay117082 markedly enhanced sperm motility. On the contrary, lipopolysaccharide-stimulated IKBA phosphorylation significantly decreased sperm motility. Nevertheless, Bay117082 treatment did not affect the motility of IKBA-knockout sperm. Further, untargeted metabolomic analysis and pharmacological blocking assays revealed that the Bay117082-induced increase in sperm motility was attributable to fatty acid β-oxidation (FAO) enhancement. In addition, we found that IKBA phosphorylation inhibition resulted in a significant reduction of acetyl-CoA carboxylase levels in the FAO metabolic pathway. Our findings indicate that IKBA-mediated signaling orchestrates sperm motility program and improves our understanding of transcription-independent NF-κB signaling pathway in cells.
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Affiliation(s)
- Yanquan Li
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Youwei Hu
- State Key Laboratory of Genetic Engineering, School of Life Science, Fudan University, Shanghai, China
| | - Zhengquan Wang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Tingting Lu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Yiting Yang
- NPFPC Key Laboratory of Contraceptives and Devices, Shanghai Institute for Biomedical and Pharmaceutical Technologies, 200032, Shanghai, China
| | - Hua Diao
- NPFPC Key Laboratory of Contraceptives and Devices, Shanghai Institute for Biomedical and Pharmaceutical Technologies, 200032, Shanghai, China
| | - Xiaoguo Zheng
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Chong Xie
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ping Zhang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Xuelian Zhang
- State Key Laboratory of Genetic Engineering, School of Life Science, Fudan University, Shanghai, China.
| | - Yuchuan Zhou
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China.
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21
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Gao Y, Xin D, Liang XD, Tang Y. Effect of a combination of Atractylodes macrocephala extract with strychnine on the TLR4/NF-κB/NLRP3 pathway in MH7A cells. Exp Ther Med 2023; 25:91. [PMID: 36761010 PMCID: PMC9905656 DOI: 10.3892/etm.2023.11791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 12/06/2022] [Indexed: 01/10/2023] Open
Abstract
Rheumatoid arthritis (RA) is now widely recognized as a chronic systemic inflammatory autoimmune disease characterized by swelling, pain and stiffness, which are often disabling. Although the number of drugs available for the treatment of RA has increased in recent years, they are generally expensive, leave patients prone to relapse and can result in severe effects when discontinued. Thus, there is a need for an inexpensive drug with fewer side effects that can be adhered to relieve pain and slow down the progression of the disease. Strychnine, a traditional Chinese medicine, was often used in ancient times to treat swollen and painful joints; however, because of its somewhat toxic nature, it is often combined with Atractylodes macrocephala to reduce its toxicity for safer therapeutic action. The present study performed high-performance liquid chromatography (HPLC)-tandem mass spectrometry (MS/MS) analysis to confirm whether the use of strychnine with Atractylodes macrocephala had the effect of reducing strychnine content. MH7A cells were induced using IL-1β to study the effect of strychnine with Atractylodes macrocephala on the Toll-like receptor 4 (TLR4)/NF-κB/NLR family pyrin domain-containing 3 (NLRP3) pathway in order to verify its role in the treatment of RA. The results indicated that the combined application of HPLC-MS/MS strychnine and Atractylodes macrocephala had a reducing effect on the strychnine content. From the subsequent experimental results, it can be inferred that Strychnine combined with Atractylodes macrocephala extract could promote the apoptosis of synovial cells, and could inhibit the expression levels of TLR4, NF-κB and NLRP3 in the cells as well as reducing the MH7A-positive cells. The expression levels of TLR4, IκB kinase β, NF-κB and NLRP3 were significantly reduced after treatment with each administration group, resulting in a decrease in the phosphorylation levels of TLR4 and NF-κB, indicating that the combination potently inhibited their phosphorylation. The combination of strychnine and atractylenolide II was also revealed to be the main active ingredient in the treatment of RA.
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Affiliation(s)
- Yijing Gao
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China
| | - Dan Xin
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China
| | - Xiao-Dong Liang
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China,Correspondence to: Professor Xiao-Dong Liang or Professor Yingxue Tang, College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 4655 University Road, Changqing, Jinan, Shandong 250355, P.R. China
| | - Yingxue Tang
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China,Correspondence to: Professor Xiao-Dong Liang or Professor Yingxue Tang, College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 4655 University Road, Changqing, Jinan, Shandong 250355, P.R. China
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22
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Cheemanapalli S, Palaniappan C, Mahesh Y, Iyyappan Y, Yarrappagaari S, Kanagaraj S. In vitro and in silico perspectives to explain anticancer activity of a novel syringic acid analog ((4-(1H-1, 3-benzodiazol-2-yl)-2, 6-dimethoxy phenol)) through apoptosis activation and NFkB inhibition in K562 leukemia cells. Comput Biol Med 2023; 152:106349. [PMID: 36470147 DOI: 10.1016/j.compbiomed.2022.106349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 11/13/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022]
Abstract
Syringic acid (SA) is an active carcinogenesis inhibitor; however, the low bioavailability and unstable functional groups hinder its activity. Here, a chemically synthesized novel SA analog (SA10) is evaluated for its anticancer activity using in-vitro and in-silico studies. K562 cell line study revealed that SA10 had shown a higher rate of inhibition (IC50 = 50.40 μg/mL) than its parental compound, SA (IC50 = 96.92 μg/mL), at 50 μM concentration. The inhibition ratio was also been evaluated by checking the expression level of NFkB and Bcl-2 and showing that SA10 has two-fold increase in the inhibitory mechanism than SA. This result demonstrates that SA10 acts as an NFkB inhibitor and an apoptosis inducer. Further, molecular docking and simulation have been performed to get insights into the possible inhibitory mechanism of SA and SA10 on NFkB at the atomistic level. The molecular docking results exemplify that both SA and SA10 bind to the active site of NFkB, thereby interfering with the association between DNA and NFkB. SA10 exhibits a more robust binding affinity than SA and is firmly docked well into the interior of the NFkB, as confirmed by MM-PBSA calculations. In a nutshell, the Benzimidazole scaffold containing SA10 has shown more NFkB inhibitory activity in K562 cells than SA, which could be helpful as an ideal therapeutic NFkB inhibitor for treating cancers.
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Affiliation(s)
- Srinivasulu Cheemanapalli
- Department of Computational and Data Sciences, Indian Institute of Science, Bangalore, India; Regional Ayurveda Research Institute (CCRAS, Govt. of India), Itanagar, Arunachal Pradesh, India
| | - Chandrasekaran Palaniappan
- Department of Computational and Data Sciences, Indian Institute of Science, Bangalore, India; Molecular Biophysics Unit, Indian Institute of Science, Bangalore, India
| | - Yeshwanth Mahesh
- Department of Computational and Data Sciences, Indian Institute of Science, Bangalore, India
| | - Yuvaraj Iyyappan
- National Institute for Plant Biotechnology, ICAR, New Delhi, India
| | - Suresh Yarrappagaari
- Division of Ethnopharmacology, Department of Biotechnology, School of Herbal Studies and Natural Sciences, Dravidian University, Kuppam, Andhra Pradesh, India
| | - Sekar Kanagaraj
- Department of Computational and Data Sciences, Indian Institute of Science, Bangalore, India.
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23
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Cystathionine γ-lyase and hydrogen sulfide modulates glucose transporter Glut1 expression via NF-κB and PI3k/Akt in macrophages during inflammation. PLoS One 2022; 17:e0278910. [PMID: 36520801 PMCID: PMC9754168 DOI: 10.1371/journal.pone.0278910] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Macrophages play a crucial role in inflammation, a defense mechanism of the innate immune system. Metabolic function powered by glucose transporter isoform 1 (Glut1) is necessary for macrophage activity during inflammation. The present study investigated the roles of cystathionine-γ-lyase (CSE) and its byproduct, hydrogen sulfide (H2S), in macrophage glucose metabolism to explore the mechanism by which H2S acts as an inflammatory regulator in lipopolysaccharide- (LPS) induced macrophages. Our results demonstrated that LPS-treated macrophages increased Glut1 expression. LPS-induced Glut1 expression is regulated via nuclear factor (NF)-κB activation and is associated with phosphatidylinositol-3-kinase PI3k activation. Small interfering (si) RNA-mediated silencing of CSE decreased the LPS-induced NF-κB activation and Glut1 expression, suggesting a role for H2S in metabolic function in macrophages during pro-inflammatory response. Confoundingly, treatment with GYY4137, an H2S-donor molecule, also displayed inhibitory effects upon LPS-induced NF-κB activation and Glut1 expression. Moreover, GYY4137 treatment increased Akt activation, suggesting a role in promoting resolution of inflammation. Our study provides evidence that the source of H2S, either endogenous (via CSE) or exogenous (via GYY4137), supports or inhibits the LPS-induced NF-κB activity and Glut1 expression, respectively. Therefore, H2S may influence metabolic programming in immune cells to alter glucose substrate availability that impacts the immune response.
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24
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Liu L, Lei Y, Chen W, Zhou Q, Zheng Z, Zeng G, Liu W, Feng P, Zhang Z, Yu L, Chen L. In vivo genome-wide CRISPR screening identifies ZNF24 as a negative NF-κB modulator in lung cancer. Cell Biosci 2022; 12:193. [PMID: 36457047 PMCID: PMC9717477 DOI: 10.1186/s13578-022-00933-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/21/2022] [Indexed: 12/03/2022] Open
Abstract
Systemic identification of tumor suppressor genes (TSGs) and elucidation of their signaling provide a new angle for understanding of tumorigenesis, which is important for developing successful treatment for lung cancer patients. In our current work, we conducted an in vivo screen for lung cancer TSGs through CRISPR/Cas9 mediated knockout of genes at genome-wide scale. We found that ZNF24 was a potent and clinically relevant TSG of lung cancer. Ectopic expression of ZNF24 arrested lung cancer cells in S phase. Mechanistically, ZNF24 bound to promoter region of P65 to negatively regulate its transcription and thereby the signaling activity of NF-κB pathway. This signaling cascade is clinically relevant. Importantly, we found that combinational inhibition of KRAS, NF-κB, and PD-1 effectively shrank autochthonous KrasG12D/ZNF24-/- lung cancers in transgenic mouse model. Our current work thus revealed an important role played by loss of function of ZNF24 in lung tumorigenesis and shed new light in precision medicine for a portion of lung cancer patients.
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Affiliation(s)
- Lu Liu
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Yuxi Lei
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Wensheng Chen
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Qian Zhou
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Zongyao Zheng
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Guandi Zeng
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Wanting Liu
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Pengju Feng
- grid.258164.c0000 0004 1790 3548Department of Chemistry, Jinan University, Guangzhou, 510632 China
| | - Zhiyi Zhang
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
| | - Lei Yu
- grid.24696.3f0000 0004 0369 153XBeijing Tongren Hospital, Capital Medical University, Beijing, 100730 China
| | - Liang Chen
- grid.258164.c0000 0004 1790 3548MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632 China
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25
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Swedik SM, Madola A, Cruz MA, Llorens-Bonilla BJ, Levine AD. Th17-Derived Cytokines Synergistically Enhance IL-17C Production by the Colonic Epithelium. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1768-1777. [PMID: 36130829 PMCID: PMC9588696 DOI: 10.4049/jimmunol.2200125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 08/29/2022] [Indexed: 11/06/2022]
Abstract
Tightly regulated communication between the gastrointestinal epithelium and immune cells in the underlying lamina propria is critical for immune homeostasis and inflammation. IL-17C, produced by epithelial cells after exposure to inflammatory stimuli, facilitates cell-to-cell communication by promoting inflammatory responses in Th17 cells. In this study, we demonstrate that Th17-derived cytokines TNF-α, IL-17A, and IL-22 synergistically enhance IL-17C expression in both human-transformed colonic epithelial cell lines and primary non-inflammatory bowel disease colonic epithelial spheroids. This synergistic expression requires activation of the transcription factor NF-κB downstream of the TNF-α stimulus, evidenced by the reduction of IL-17C expression in the presence of an IκBα inhibitor. IL-17A and IL-22 enhance IL-17C expression through the activation of the transcription factor AP-1 in a p38 MAPK-dependent manner. Colonic spheroids derived from uninvolved epithelial of ulcerative colitis patients stimulated with TNF-α, IL-17A, and IL-22 show muted responses compared with non-inflammatory bowel disease spheroids, and inflamed spheroids yielded more IL-17C expression in the presence of TNF-α, and no response to IL-22 stimulation. Altogether, a role for IL-17C in activating Th17 cells combined with our findings of Th17-derived cytokine-driven synergy in the expression of IL-17C identifies a novel inflammatory amplification loop in the gastrointestinal tract between epithelial cells and Th17 cells.
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Affiliation(s)
- Stephanie M Swedik
- Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, OH
| | - Abson Madola
- Department of Biology, Case Western Reserve University, Cleveland, OH
| | - Michelle A Cruz
- Department of Pathology, Case Western Reserve University, Cleveland, OH
| | | | - Alan D Levine
- Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, OH;
- Department of Pathology, Case Western Reserve University, Cleveland, OH
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH
- Department of Medicine, Case Western Reserve University, Cleveland, OH; and
- Department of Pediatrics, Case Western Reserve University, Cleveland, OH
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26
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Rank L, Puhl AC, Havener TM, Anderson E, Foil DH, Zorn KM, Monakhova N, Riabova O, Hickey AJ, Makarov V, Ekins S. Multiple approaches to repurposing drugs for neuroblastoma. Bioorg Med Chem 2022; 73:117043. [PMID: 36208544 PMCID: PMC9870653 DOI: 10.1016/j.bmc.2022.117043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 01/26/2023]
Abstract
Neuroblastoma (NB) is the second leading extracranial solid tumor of early childhood with about two-thirds of cases presenting before the age of 5, and accounts for roughly 15 percent of all pediatric cancer fatalities in the United States. Treatments against NB are lacking, resulting in a low survival rate in high-risk patients. A repurposing approach using already approved or clinical stage compounds can be used for diseases for which the patient population is small, and the commercial market limited. We have used Bayesian machine learning, in vitro cell assays, and combination analysis to identify molecules with potential use for NB. We demonstrated that pyronaridine (SH-SY5Y IC50 1.70 µM, SK-N-AS IC50 3.45 µM), BAY 11-7082 (SH-SY5Y IC50 0.85 µM, SK-N-AS IC50 1.23 µM), niclosamide (SH-SY5Y IC50 0.87 µM, SK-N-AS IC50 2.33 µM) and fingolimod (SH-SY5Y IC50 4.71 µM, SK-N-AS IC50 6.11 µM) showed cytotoxicity against NB. As several of the molecules are approved drugs in the US or elsewhere, they may be repurposed more readily for NB treatment. Pyronaridine was also tested in combinations in SH-SY5Y cells and demonstrated an antagonistic effect with either etoposide or crizotinib. Whereas when crizotinib and etoposide were combined with each other they had a synergistic effect in these cells. We have also described several analogs of pyronaridine to explore the structure-activity relationship against cell lines. We describe multiple molecules demonstrating cytotoxicity against NB and the further evaluation of these molecules and combinations using other NB cells lines and in vivo models will be important in the future to assess translational potential.
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Affiliation(s)
- Laura Rank
- Collaborations Pharmaceuticals, Inc, 840 Main Campus Drive, Lab 3510, Raleigh, NC, USA
| | - Ana C Puhl
- Collaborations Pharmaceuticals, Inc, 840 Main Campus Drive, Lab 3510, Raleigh, NC, USA.
| | - Tammy M Havener
- UNC Catalyst for Rare Diseases, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Edward Anderson
- UNC Catalyst for Rare Diseases, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Daniel H Foil
- Collaborations Pharmaceuticals, Inc, 840 Main Campus Drive, Lab 3510, Raleigh, NC, USA
| | - Kimberley M Zorn
- Collaborations Pharmaceuticals, Inc, 840 Main Campus Drive, Lab 3510, Raleigh, NC, USA
| | | | - Olga Riabova
- Research Center of Biotechnology RAS, 119071 Moscow, Russia
| | - Anthony J Hickey
- Research Center of Biotechnology RAS, 119071 Moscow, Russia; RTI International, Research Triangle Park, NC, USA
| | - Vadim Makarov
- Research Center of Biotechnology RAS, 119071 Moscow, Russia
| | - Sean Ekins
- Collaborations Pharmaceuticals, Inc, 840 Main Campus Drive, Lab 3510, Raleigh, NC, USA.
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Morante-Palacios O, Godoy-Tena G, Calafell-Segura J, Ciudad L, Martínez-Cáceres EM, Sardina JL, Ballestar E. Vitamin C enhances NF-κB-driven epigenomic reprogramming and boosts the immunogenic properties of dendritic cells. Nucleic Acids Res 2022; 50:10981-10994. [PMID: 36305821 PMCID: PMC9638940 DOI: 10.1093/nar/gkac941] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/23/2022] [Accepted: 10/10/2022] [Indexed: 11/19/2022] Open
Abstract
Dendritic cells (DCs), the most potent antigen-presenting cells, are necessary for effective activation of naïve T cells. DCs’ immunological properties are modulated in response to various stimuli. Active DNA demethylation is crucial for DC differentiation and function. Vitamin C, a known cofactor of ten-eleven translocation (TET) enzymes, drives active demethylation. Vitamin C has recently emerged as a promising adjuvant for several types of cancer; however, its effects on human immune cells are poorly understood. In this study, we investigate the epigenomic and transcriptomic reprogramming orchestrated by vitamin C in monocyte-derived DC differentiation and maturation. Vitamin C triggers extensive demethylation at NF-κB/p65 binding sites, together with concordant upregulation of antigen-presentation and immune response-related genes during DC maturation. p65 interacts with TET2 and mediates the aforementioned vitamin C-mediated changes, as demonstrated by pharmacological inhibition. Moreover, vitamin C increases TNFβ production in DCs through NF-κB, in concordance with the upregulation of its coding gene and the demethylation of adjacent CpGs. Finally, vitamin C enhances DC’s ability to stimulate the proliferation of autologous antigen-specific T cells. We propose that vitamin C could potentially improve monocyte-derived DC-based cell therapies.
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Affiliation(s)
- Octavio Morante-Palacios
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916, Badalona, Barcelona, Spain
- Germans Trias i Pujol Research Institute (IGTP), 08916, Badalona, Barcelona, Spain
| | - Gerard Godoy-Tena
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916, Badalona, Barcelona, Spain
| | - Josep Calafell-Segura
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916, Badalona, Barcelona, Spain
| | - Laura Ciudad
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916, Badalona, Barcelona, Spain
| | - Eva M Martínez-Cáceres
- Division of Immunology, Germans Trias i Pujol Hospital, LCMN, Germans Trias iPujol Research Institute (IGTP), 08916, Badalona, Barcelona, Spain
- Department of Cell Biology, Physiology, Immunology, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - José Luis Sardina
- Epigenetic Control of Haematopoiesis Group, Josep Carreras Research Institute (IJC), 08916, Badalona, Barcelona, Spain
| | - Esteban Ballestar
- To whom correspondence should be addressed. Tel: +34 935572800; Fax: +34 934651472;
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28
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Li W, Jin K, Luo J, Xu W, Wu Y, Zhou J, Wang Y, Xu R, Jiao L, Wang T, Yang G. NF-κB and its crosstalk with endoplasmic reticulum stress in atherosclerosis. Front Cardiovasc Med 2022; 9:988266. [PMID: 36204587 PMCID: PMC9530249 DOI: 10.3389/fcvm.2022.988266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Atherosclerosis (AS) is a common cardiovascular disease with complex pathogenesis, in which multiple pathways and their interweaving regulatory mechanism remain unclear. The primary transcription factor NF-κB plays a critical role in AS via modulating the expression of a series of inflammatory mediators under various stimuli such as cytokines, microbial antigens, and intracellular stresses. Endoplasmic reticulum (ER) stress, caused by the disrupted synthesis and secretion of protein, links inflammation, metabolic signals, and other cellular processes via the unfolded protein response (UPR). Both NF-κB and ER stress share the intersection regarding their molecular regulation and function and are regarded as critical individual contributors to AS. In this review, we summarize the multiple interactions between NF-κB and ER stress activation, including the UPR, NLRP3 inflammasome, and reactive oxygen species (ROS) generation, which have been ignored in the pathogenesis of AS. Given the multiple links between NF-κB and ER stress, we speculate that the integrated network contributes to the understanding of molecular mechanisms of AS. This review aims to provide an insight into these interactions and their underlying roles in the progression of AS, highlighting potential pharmacological targets against the atherosclerotic inflammatory process.
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Affiliation(s)
- Wenjing Li
- Laboratory of Computational Biology and Machine Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China
- School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China
| | - Kehan Jin
- Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Jichang Luo
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Beijing, China
| | - Wenlong Xu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Beijing, China
| | - Yujie Wu
- Laboratory of Computational Biology and Machine Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China
| | - Jia Zhou
- Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Yilin Wang
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Ran Xu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Beijing, China
| | - Liqun Jiao
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Beijing, China
- Department of Interventional Radiology, Xuanwu Hospital, Capital Medical University, Beijing, China
- *Correspondence: Liqun Jiao,
| | - Tao Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China International Neuroscience Institute (China-INI), Beijing, China
- Tao Wang,
| | - Ge Yang
- Laboratory of Computational Biology and Machine Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China
- School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China
- Tao Wang,
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Koya JB, Shen T, Lu G, Gauthier A, Mantell L, Ashby CR, Reznik SE. FDA-Approved Excipient N, N-Dimethylacetamide Attenuates Inflammatory Bowel Disease in In Vitro and In Vivo Models. FORTUNE JOURNAL OF HEALTH SCIENCES 2022; 5:499-509. [PMID: 37886658 PMCID: PMC10602017 DOI: 10.26502/fjhs.076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Inflammatory bowel disease (IBD) affects almost 7 million people worldwide and is increasing in incidence. While the precise pathogenesis of IBD remains unknown, the production of inflammatory cytokines and chemokines play a central role. We have previously found that N, N-dimethylacetamide (DMA), a widely used non-toxic drug excipient, suppresses cytokine and chemokine secretion in vitro and prevents inflammation-induced preterm birth in vivo. Using sandwich enzyme-linked immunosorbent assays (ELISAs), we tested whether DMA attenuates cytokine and chemokine secretion from LPS- or TNFα-stimulated human intestinal epithelial cells and human monocytes and HMGB1 release from RAW 264.7 cells. To test our hypothesis that the mechanism of DMA's effects in in vitro and in vivo models of IBD is inhibition of the NF-κB pathway, we used western blotting to track levels of the nuclear factor kappa B (NF-κB) inhibitory molecule I kappa B alpha (IκBα) in THP-1 human monocytes in the absence or presence of DMA. Finally, we induced colitis in C57Bl/6 mice with dextran sodium sulfate (DSS) and then tested whether i.p injections of DMA at 2.1 g/kg/day attenuates clinical and histopathologic signs of colitis. DMA attenuated cytokine and chemokine release from human intestinal epithelial cells and human monocytes and HMGB1 release from RAW 264.7 cells. Importantly, DMA prevented degradation of IκBα in THP-1 cells, thereby suggesting one mechanism for DMA's effects. Finally, we show here, for the first time, that DMA attenuates clinical and histologic features of DSS-induced colitis. Based on these data, DMA should be further explored in preclinical and clinical trials for its potential as novel drug therapy for IBD.
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Affiliation(s)
- Jagadish B Koya
- Department of Pharmaceutical Sciences, St. John's University, Queens, NY
| | - Tong Shen
- Department of Structural and Chemical Biology, Mount Sinai Medical Center, New York, NY
| | - Geming Lu
- Department of Immunology, Mount Sinai Medical Center, New York, NY
| | - Alex Gauthier
- Department of Pharmaceutical Sciences, St. John's University, Queens, NY
| | - Lin Mantell
- Department of Pharmaceutical Sciences, St. John's University, Queens, NY
| | - Charles R Ashby
- Department of Pharmaceutical Sciences, St. John's University, Queens, NY
| | - Sandra E Reznik
- Department of Pharmaceutical Sciences, St. John's University, Queens, NY
- Departments of Pathology and Obstetrics and Gynecology and Women's Health, Albert Einstein College of Medicine, Bronx, NY
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Mettl14-driven senescence-associated secretory phenotype facilitates somatic cell reprogramming. Stem Cell Reports 2022; 17:1799-1809. [PMID: 35947961 PMCID: PMC9391510 DOI: 10.1016/j.stemcr.2022.06.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 11/24/2022] Open
Abstract
The METTL3-METTL14 complex, the “writer” of N6-methyladenosine (m6A), plays an important role in many biological processes. Previous studies have shown that Mettl3 overexpression can increase the level of m6A and promote somatic cell reprogramming. Here, we demonstrate that Mettl14, another component of the methyltransferase complex, can significantly enhance the generation of induced pluripotent stem cells (iPSCs) in an m6A-independent manner. In cooperation with Oct4, Sox2, Klf4, and c-Myc, overexpressed Mettl14 transiently promoted senescence-associated secretory phenotype (SASP) gene expression in non-reprogrammed cells in the late stage of reprogramming. Subsequently, we demonstrated that interleukin-6 (IL-6), a component of the SASP, significantly enhanced somatic cell reprogramming. In contrast, blocking the SASP using a senolytic agent or a nuclear factor κB (NF-κB) inhibitor impaired the effect of Mettl14 on reprogramming. Our results highlight the m6A-independent function of Mettl14 in reprogramming and provide new insight into the interplay between senescence and reprogramming in vitro. Mettl14 can facilitate somatic cell reprogramming in an m6A-independent manner Mettl14 transcriptionally drives the senescence-associated secretory phenotype (SASP) Mettl14-driven SASPs are mainly secreted from non-reprogramming cells Blocking of SASP impairs the effect of Mettl14 on reprogramming
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Di Francesco B, Verzella D, Capece D, Vecchiotti D, Di Vito Nolfi M, Flati I, Cornice J, Di Padova M, Angelucci A, Alesse E, Zazzeroni F. NF-κB: A Druggable Target in Acute Myeloid Leukemia. Cancers (Basel) 2022; 14:cancers14143557. [PMID: 35884618 PMCID: PMC9319319 DOI: 10.3390/cancers14143557] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary AML is a highly heterogeneous hematological disease and is the second most common form of leukemia. Around 40% of AML patients display elevated nuclear NF-κB activity, providing a compelling rationale for targeting the NF-κB pathway in AML. Here we summarize the main drivers of the NF-κB pathway in AML pathogenesis as well as the conventional and novel therapeutic strategies targeting NF-κB to improve the survival of AML patients. Abstract Acute Myeloid Leukemia (AML) is an aggressive hematological malignancy that relies on highly heterogeneous cytogenetic alterations. Although in the last few years new agents have been developed for AML treatment, the overall survival prospects for AML patients are still gloomy and new therapeutic options are still urgently needed. Constitutive NF-κB activation has been reported in around 40% of AML patients, where it sustains AML cell survival and chemoresistance. Given the central role of NF-κB in AML, targeting the NF-κB pathway represents an attractive strategy to treat AML. This review focuses on current knowledge of NF-κB’s roles in AML pathogenesis and summarizes the main therapeutic approaches used to treat NF-κB-driven AML.
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32
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Blevins HM, Xu Y, Biby S, Zhang S. The NLRP3 Inflammasome Pathway: A Review of Mechanisms and Inhibitors for the Treatment of Inflammatory Diseases. Front Aging Neurosci 2022; 14:879021. [PMID: 35754962 PMCID: PMC9226403 DOI: 10.3389/fnagi.2022.879021] [Citation(s) in RCA: 109] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 05/12/2022] [Indexed: 12/24/2022] Open
Abstract
The NLRP3 inflammasome is a multiprotein complex that plays a pivotal role in regulating the innate immune system and inflammatory signaling. Upon activation by PAMPs and DAMPs, NLRP3 oligomerizes and activates caspase-1 which initiates the processing and release of pro-inflammatory cytokines IL-1β and IL-18. NLRP3 is the most extensively studied inflammasome to date due to its array of activators and aberrant activation in several inflammatory diseases. Studies using small molecules and biologics targeting the NLRP3 inflammasome pathway have shown positive outcomes in treating various disease pathologies by blocking chronic inflammation. In this review, we discuss the recent advances in understanding the NLRP3 mechanism, its role in disease pathology, and provide a broad review of therapeutics discovered to target the NLRP3 pathway and their challenges.
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Affiliation(s)
| | | | | | - Shijun Zhang
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, United States
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Gencturk E, Kasim M, Morova B, Kiraz A, Ulgen KO. Understanding the Link between Inflammasome and Apoptosis through the Response of THP-1 Cells against Drugs Using Droplet-Based Microfluidics. ACS OMEGA 2022; 7:16323-16332. [PMID: 35601322 PMCID: PMC9118214 DOI: 10.1021/acsomega.1c06569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 04/20/2022] [Indexed: 05/09/2023]
Abstract
Droplet-based microfluidic devices are used to investigate monocytic THP-1 cells in response to drug administration. Consistent and reproducible droplets are created, each of which acts as a bioreactor to carry out single cell experiments with minimized contamination and live cell tracking under an inverted fluorescence microscope for more than 2 days. Here, the effects of three different drugs (temsirolimus, rifabutin, and BAY 11-7082) on THP-1 are examined and the results are analyzed in the context of the inflammasome and apoptosis relationship. The ASC adaptor gene tagged with GFP is monitored as the inflammasome reporter. Thus, a systematic way is presented for deciphering cell-to-cell heterogeneity, which is an important issue in cancer treatment. The drug temsirolimus, which has effects of disrupting the mTOR pathway and triggering apoptosis in tumor cells, causes THP-1 cells to express ASC and to be involved in apoptosis. Treatment with rifabutin, which inhibits proliferation and initiates apoptosis in cells, affects ASC expression by first increasing and then decreasing it. CASP-3, which has a role in apoptosis and is directly related to ASC, has an increasing level in inflammasome conditioning. Thus, the cell under the effect of rifabutin might be faced with programmed cell death faster. The drug BAY 11-7082, which is responsible for NFκB inhibition, shows similar results to temsirolimus with more than 60% of cells having high fluorescence intensity (ASC expression). The microfluidic platform presented here offers strong potential for studying newly developed small-molecule inhibitors for personalized/precision medicine.
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Affiliation(s)
- Elif Gencturk
- Department
of Chemical Engineering, Boǧaziçi
University, Biosystems Engineering Laboratory, Istanbul 34342, Turkey
| | - Muge Kasim
- Department
of Chemical Engineering, Boǧaziçi
University, Biosystems Engineering Laboratory, Istanbul 34342, Turkey
| | - Berna Morova
- Department
of Physics, Koç University, Sariyer, 34450 Istanbul, Turkey
| | - Alper Kiraz
- Department
of Physics, Koç University, Sariyer, 34450 Istanbul, Turkey
- Department
of Electrical and Electronics Engineering, Koç University, Sariyer, 34450 Istanbul, Turkey
| | - Kutlu O. Ulgen
- Department
of Chemical Engineering, Boǧaziçi
University, Biosystems Engineering Laboratory, Istanbul 34342, Turkey
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Zhu L, Qi W, Yang G, Yang Y, Wang Y, Zheng L, Fu Y, Cheng X. Toxoplasma gondii Rhoptry Protein 7 (ROP7) Interacts with NLRP3 and Promotes Inflammasome Hyperactivation in THP-1-Derived Macrophages. Cells 2022; 11:cells11101630. [PMID: 35626667 PMCID: PMC9139738 DOI: 10.3390/cells11101630] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/07/2022] [Accepted: 05/11/2022] [Indexed: 12/24/2022] Open
Abstract
Toxoplasma gondii is a common opportunistic protozoan pathogen that can parasitize the karyocytes of humans and virtually all other warm-blooded animals. In the host’s innate immune response to T. gondii infection, inflammasomes can mediate the maturation of pro-IL-1β and pro-IL-18, which further enhances the immune response. However, how intercellular parasites specifically provoke inflammasome activation remains unclear. In this study, we found that the T. gondii secretory protein, rhoptry protein 7 (ROP7), could interact with the NACHT domain of NLRP3 through liquid chromatography-mass spectrometry analysis and co-immunoprecipitation assays. When expressing ROP7 in differentiated THP-1 cells, there was significant up-regulation in NF-κB and continuous release of IL-1β. This process is pyroptosis-independent and leads to inflammasome hyperactivation through the IL-1β/NF-κB/NLRP3 feedback loop. The loss of ROP7 in tachyzoites did not affect parasite proliferation in host cells but did attenuate parasite-induced inflammatory activity. In conclusion, these findings unveil that a T. gondii-derived protein is able to promote inflammasome activation, and further study of ROP7 will deepen our understanding of host innate immunity to parasites.
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Affiliation(s)
- Lijun Zhu
- Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; (L.Z.); (W.Q.); (X.C.)
| | - Wanjun Qi
- Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; (L.Z.); (W.Q.); (X.C.)
| | - Guang Yang
- Department of Pathogen Biology, School of Medicine, Jinan University, Guangzhou 510632, China;
| | - Yurong Yang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China;
| | - Yuwen Wang
- Engineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China; (Y.W.); (L.Z.)
| | - Lulu Zheng
- Engineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China; (Y.W.); (L.Z.)
| | - Yongfeng Fu
- Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; (L.Z.); (W.Q.); (X.C.)
- Correspondence:
| | - Xunjia Cheng
- Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; (L.Z.); (W.Q.); (X.C.)
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Baradaran Rahimi V, Momeni-Moghaddam MA, Chini MG, Saviano A, Maione F, Bifulco G, Rahmanian-Devin P, Jebalbarezy A, Askari VR. Carnosol Attenuates LPS-Induced Inflammation of Cardiomyoblasts by Inhibiting NF- κB: A Mechanistic in Vitro and in Silico Study. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:7969422. [PMID: 35571740 PMCID: PMC9095375 DOI: 10.1155/2022/7969422] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 04/15/2022] [Indexed: 01/03/2023]
Abstract
Carnosol possesses several beneficial pharmacological properties. However, its role in lipopolysaccharide (LPS) induced inflammation and cardiomyocyte cell line (H9C2) has never been investigated. Therefore, the effect of carnosol and an NF-κB inhibitor BAY 11-7082 was examined, and the underlying role of the NF-κB-dependent inflammatory pathway was analyzed as the target enzyme. Cell viability, inflammatory cytokines levels (tumor necrosis factor-α (TNF-α), interleukin (IL)-1β, IL-6, and prostaglandin E 2 (PGE2)), and related gene expression (TNF-α, IL-1β, IL-6, and cyclooxygenase-2 (COX-2)) were analyzed by ELISA and real-time PCR. In addition, docking studies analyzed carnosol's molecular interactions and binding modes to NF-κB and IKK. We report that LPS caused the reduction of cell viability while enhancing both cytokines protein and mRNA levels (P < 0.001, for all cases). However, the BAY 11-7082 pretreatment of the cells and carnosol increased cell viability and reduced cytokine protein and mRNA levels (P < 0.001 vs. LPS, for all cases). Furthermore, our in silico analyses also supported the modulation of NF-κB and IKK by carnosol. This evidence highlights the defensive effects of carnosol against sepsis-induced myocardial dysfunction and, contextually, paved the rationale for the next in vitro and in vivo studies aimed to precisely describe its mechanism(s) of action.
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Affiliation(s)
- Vafa Baradaran Rahimi
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Maria Giovanna Chini
- Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, Pesche, Isernia I-86090, Italy
| | - Anella Saviano
- Immuno Pharma Lab, Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Francesco Maione
- Immuno Pharma Lab, Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Giuseppe Bifulco
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, Fisciano, Salerno 84084, Italy
| | - Pouria Rahmanian-Devin
- Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Jebalbarezy
- Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Reza Askari
- Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Lückgen J, Raqué E, Reiner T, Diederichs S, Richter W. NFκB inhibition to lift the mechano-competence of mesenchymal stromal cell-derived neocartilage toward articular chondrocyte levels. Stem Cell Res Ther 2022; 13:168. [PMID: 35477424 PMCID: PMC9044876 DOI: 10.1186/s13287-022-02843-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/07/2022] [Indexed: 11/10/2022] Open
Abstract
Background Fully functional regeneration of skeletal defects by multipotent progenitor cells requires that differentiating cells gain the specific mechano-competence needed in the target tissue. Using cartilage neogenesis as an example, we asked whether proper phenotypic differentiation of mesenchymal stromal cells (MSC) into chondrocytes in vitro will install the adequate biological mechano-competence of native articular chondrocytes (AC). Methods The mechano-competence of human MSC- and AC-derived neocartilage was compared during differentiation for up to 35 days. The neocartilage layer was subjected to physiologic dynamic loading in a custom-designed bioreactor and assayed for mechano-sensitive gene and pathway activation, extracellular matrix (ECM) synthesis by radiolabel incorporation, nitric oxide (NO) and prostaglandin E2 (PGE2) production. Input from different pathways was tested by application of agonists or antagonists. Results MSC and AC formed neocartilage of similar proteoglycan content with a hardness close to native tissue. Mechano-stimulation on day 21 and 35 induced a similar upregulation of mechano-response genes, ERK phosphorylation, NO production and PGE2 release in both groups, indicating an overall similar transduction of external mechanical signals. However, while AC maintained or enhanced proteoglycan synthesis after loading dependent on tissue maturity, ECM synthesis was always significantly disturbed by loading in MSC-derived neocartilage. This was accompanied by significantly higher COX2 and BMP2 background expression, > 100-fold higher PGE2 production and a weaker SOX9 stimulation in response to loading in MSC-derived neocartilage. Anabolic BMP-pathway activity was not rate limiting for ECM synthesis after loading in both groups. However, NFκB activation mimicked the negative loading effects and enhanced PGE2 production while inhibition of catabolic NFκB signaling rescued the load-induced negative effects on ECM synthesis in MSC-derived neocartilage. Conclusions MSC-derived chondrocytes showed a higher vulnerability to be disturbed by loading despite proper differentiation and did not acquire an AC-like mechano-competence to cope with the mechanical stress of a physiologic loading protocol. Managing catabolic NFκB influences was one important adaptation to install a mechano-resistance closer to AC-derived neocartilage. This new knowledge asks for a more functional adaptation of MSC chondrogenesis, novel pharmacologic co-treatment strategies for MSC-based clinical cartilage repair strategies and may aid a more rational design of physical rehabilitation therapy after AC- versus MSC-based surgical cartilage intervention. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02843-x.
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Affiliation(s)
- Janine Lückgen
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Elisabeth Raqué
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Tobias Reiner
- Department of Orthopaedic and Trauma Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Solvig Diederichs
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Wiltrud Richter
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany.
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Fu Q, Lin Q, Chen D, Yu B, Luo Y, Zheng P, Mao X, Huang Z, Yu J, Luo J, Yan H, He J. β-defensin 118 attenuates inflammation and injury of intestinal epithelial cells upon enterotoxigenic Escherichia coli challenge. BMC Vet Res 2022; 18:142. [PMID: 35440001 PMCID: PMC9017018 DOI: 10.1186/s12917-022-03242-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 04/11/2022] [Indexed: 11/30/2022] Open
Abstract
Background Antimicrobial peptides including various defensins have been attracting considerable research interest worldwide, as they have potential to substitute for antibiotics. Moreover, AMPs also have immunomodulatory activity. In this study, we explored the role and its potential mechanisms of β-defensin 118 (DEFB118) in alleviating inflammation and injury of IPEC-J2 cells (porcine jejunum epithelial cell line) upon the enterotoxigenic Escherichia coli (ETEC) challenge. Results The porcine jejunum epithelial cell line (IPEC-J2) pretreated with or without DEFB118 (25 μg/mL) were challenged by ETEC (1×106 CFU) or culture medium. We showed that DEFB118 pretreatment significantly increased the cell viability (P<0.05) and decreased the expressions of inflammatory cytokines such as the interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) in IPEC-J2 cells exposure to ETEC (P<0.05). Interestingly, DEFB118 pretreatment significantly elevated the abundance of the major tight-junction protein zonula occludens-1 (ZO-1), but decreased the number of apoptotic cells upon ETEC challenge (P<0.05). The expression of caspase 3, caspase 8, and caspase 9 were downregulated by DEFB118 in the IPEC-J2 cells exposure to ETEC (P<0.05). Importantly, DEFB118 suppressed two critical inflammation-associated signaling proteins, nuclear factor-kappa-B inhibitor alpha (IκB-α) and nuclear factor-kappaB (NF-κB) in the ETEC-challenged IPEC-J2 cells. Conclusions DEFB118 can alleviate ETEC-induced inflammation in IPEC-J2 cells through inhibition of the NF-κB signaling pathway, resulting in reduced secretion of inflammatory cytokines and decreased cell apoptosis. Therefore, DEFB118 can act as a novel anti-inflammatory agent.
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Affiliation(s)
- Qingqing Fu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Qian Lin
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Daiwen Chen
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Bing Yu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Yuheng Luo
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Ping Zheng
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Xiangbing Mao
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Zhiqing Huang
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Jie Yu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Junqiu Luo
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Hui Yan
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China.,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China
| | - Jun He
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan Province, 611130, P. R. China. .,Key Laboratory of Animal Disease-resistant Nutrition, Chengdu, Sichuan Province, 611130, P. R. China.
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Nestić D, Božinović K, Drašković I, Kovačević A, van den Bosch J, Knežević J, Custers J, Ambriović-Ristov A, Majhen D. Human Adenovirus Type 26 Induced IL-6 Gene Expression in an αvβ3 Integrin- and NF-κB-Dependent Manner. Viruses 2022; 14:v14040672. [PMID: 35458402 PMCID: PMC9028149 DOI: 10.3390/v14040672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 11/17/2022] Open
Abstract
The low seroprevalent human adenovirus type 26 (HAdV26)-based vaccine vector was the first adenovirus-based vector to receive marketing authorization from European Commission. HAdV26-based vaccine vectors induce durable humoral and cellular immune responses and, as such, represent a highly valuable tool for fighting infectious diseases. Despite well-described immunogenicity in vivo, the basic biology of HAdV26 still needs some refinement. The aim of this study was to determine the pro-inflammatory cytokine profile of epithelial cells infected with HAdV26 and then investigate the underlying molecular mechanism. The expression of studied genes and proteins was assessed by quantitative polymerase chain reaction, western blot, and enzyme-linked immunosorbent assay. Confocal microscopy was used to visualize HAdV26 cell uptake. We found that HAdV26 infection in human epithelial cells triggers the expression of pro-inflammatory cytokines and chemokines, namely IL-6, IL-8, IL-1β, and TNF-α, with the most pronounced difference shown for IL-6. We investigated the underlying molecular mechanism and observed that HAdV26-induced IL-6 gene expression is αvβ3 integrin dependent and NF-κB mediated. Our findings provide new data regarding pro-inflammatory cytokine and chemokine expression in HAdV26-infected epithelial cells, as well as details concerning HAdV26-induced host signaling pathways. Information obtained within this research increases our current knowledge of HAdV26 basic biology and, as such, can contribute to further development of HAdV26-based vaccine vectors.
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Affiliation(s)
- Davor Nestić
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
| | - Ksenija Božinović
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
| | - Isabela Drašković
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
| | - Alen Kovačević
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
| | - Jolien van den Bosch
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
| | - Jelena Knežević
- Laboratory for Advanced Genomics, Division of Molecular Medicine, Ruđer Bošković Institute, 10000 Zagreb, Croatia;
- Faculty for Dental Medicine and Health, University of Osijek, 31000 Osijek, Croatia
| | - Jerome Custers
- Janssen Vaccines and Preventions BV, 2333 CA Leiden, The Netherlands;
| | - Andreja Ambriović-Ristov
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
| | - Dragomira Majhen
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000 Zagreb, Croatia; (D.N.); (K.B.); (I.D.); (A.K.); (J.v.d.B.); (A.A.-R.)
- Correspondence:
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Luo X, Xu J, Zhao R, Qin J, Wang X, Yan Y, Wang LJ, Wang G, Yang X. The Role of Inactivated NF-κB in Premature Ovarian Failure. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:468-483. [PMID: 34971586 DOI: 10.1016/j.ajpath.2021.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/25/2021] [Accepted: 12/02/2021] [Indexed: 06/14/2023]
Abstract
Premature ovarian failure (POF) is defined as deployment of amenorrhea due to the cessation of ovarian function in a woman younger than 40 years old. The pathologic mechanism of POF is not yet well understood, although genetic aberrations, autoimmune damage, and environmental factors have been identified. The current study demonstrated that NF-κB inactivation is closely associated with the development of POF based on the data from literature and cyclophosphamide (Cytoxan)-induced POF mouse model. In the successfully established NF-κB-inactivated mouse model, the results showed the reduced expression of nuclear p65 and the increased expression of IκBα in ovarian granulosa cells; the reduced numbers of antral follicles; the reduction of Ki-67/proliferating cell nuclear antigen-labeled cell proliferation and enhanced Fas/FasL-dependent apoptosis in granulosa cells; the reduced level of E2 and anti-Müllerian hormone; the decreased expression of follicle-stimulating hormone receptor and cytochrome P450 family 19 subfamily A member 1 (CYP19A1) in granulosa cells, which was reversed in the context of blocking NF-κB signaling with BAY 11-7082; and the decreased expressions of glucose-regulated protein 78 (GRP78), activating transcription factor 6, protein kinase R-like endoplasmic reticulum kinase, and inositol-requiring enzyme 1 in granulosa cells. Dual-luciferase reporter assay demonstrated that p50 stimulated the transcription of GRP78, and NF-κB affected the expression of follicle-stimulating hormone receptor and promoted granulosa cell proliferation through GRP78-mediated endoplasmic reticulum stress. Taken together, these data indicate, for the first time, that the inactivation of NF-κB signaling plays an important role in POF.
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Affiliation(s)
- Xin Luo
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Junjie Xu
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Ran Zhao
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Jiajia Qin
- Gynecology, Chinese Medicine College, Jinan University, Guangzhou, China
| | - Xiaoyu Wang
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Yu Yan
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China
| | - Li-Jing Wang
- Institute of Vascular Biological Sciences, Guangdong Pharmaceutical University, Guangzhou, China
| | - Guang Wang
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China; Key Laboratory for Regenerative Medicine of the Ministry of Education, Jinan University, Guangzhou, China; Guangdong-Hong Kong Metabolism and Reproduction Joint Laboratory, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China.
| | - Xuesong Yang
- International Joint Laboratory for Embryonic Development and Prenatal Medicine, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China; Key Laboratory for Regenerative Medicine of the Ministry of Education, Jinan University, Guangzhou, China; Guangdong-Hong Kong Metabolism and Reproduction Joint Laboratory, Division of Histology and Embryology, Medical College, Jinan University, Guangzhou, China.
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Khatua S, Simal-Gandara J, Acharya K. Understanding immune-modulatory efficacy in vitro. Chem Biol Interact 2022; 352:109776. [PMID: 34906553 PMCID: PMC8665649 DOI: 10.1016/j.cbi.2021.109776] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 11/19/2021] [Accepted: 12/07/2021] [Indexed: 01/07/2023]
Abstract
Boosting or suppressing our immune system represents an attractive adjunct in the treatment of infections including SARS-CoV-2, cancer, AIDS, malnutrition, age related problems and some inflammatory disorders. Thus, there has been a growing interest in exploring and developing novel drugs, natural or synthetic, that can manipulate our defence mechanism. Many of such studies, reported till date, have been designed to explore effect of the therapeutic on function of macrophages, being a key component in innate immune system. Indeed, RAW264.7, J774A.1, THP-1 and U937 cell lines act as ideal model systems for preliminary investigation and selection of dose for in vivo studies. Several bioassays have been standardized so far where many techniques require high throughput instruments, cost effective reagents and technical assistance that may hinder many scholars to perform a method demanding compilation of available protocols. In this review, we have taken an attempt for the first time to congregate commonly used in vitro immune-modulating techniques explaining their principles. The study detected that among about 40 different assays and more than 150 sets of primers, the methods of cell proliferation by MTT, phagocytosis by neutral red, NO detection by Griess reaction and estimation of expression of TLRs, COX-2, iNOS, TNF-α, IL-6 and IL-1β by PCR have been the most widely used to screen the therapeutics under investigation.
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Affiliation(s)
- Somanjana Khatua
- Molecular and Applied Mycology and Plant Pathology Laboratory, Centre of Advanced Study, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, West Bengal, India,Department of Botany, Krishnagar Government College, Krishnagar, Nadia, 741101, West Bengal, India
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004, Ourense, Spain,Corresponding author
| | - Krishnendu Acharya
- Molecular and Applied Mycology and Plant Pathology Laboratory, Centre of Advanced Study, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, West Bengal, India,Corresponding author
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Lu Y, Lu Y, Meng J, Wang Z. Pyroptosis and Its Regulation in Diabetic Cardiomyopathy. Front Physiol 2022; 12:791848. [PMID: 35145423 PMCID: PMC8822267 DOI: 10.3389/fphys.2021.791848] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 12/10/2021] [Indexed: 12/17/2022] Open
Abstract
Diabetic cardiomyopathy (DbCM) is a prevalent disease, characterized by contractile dysfunction and left ventricular hypertrophy. Patients with DbCM have high morbidity and mortality worldwide. Recent studies have identified that pyroptosis, a kind of cell death, could be induced by hyperglycemia involved in the formation of DbCM. This review summarizes the regulatory mechanisms of pyroptosis in DbCM, including NOD-like receptor3, AIM2 inflammasome, long non-coding RNAs, microRNAs, circular RNA, autophagy, and some drugs.
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Affiliation(s)
- Yafang Lu
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Yaqiong Lu
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Jun Meng
- Functional Department, The First Affiliated Hospital, University of South China, Hengyang, China
- *Correspondence: Jun Meng,
| | - Zuo Wang
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
- Zuo Wang,
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Inflammation, Fibrosis and Cancer: Mechanisms, Therapeutic Options and Challenges. Cancers (Basel) 2022; 14:cancers14030552. [PMID: 35158821 PMCID: PMC8833582 DOI: 10.3390/cancers14030552] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 01/09/2023] Open
Abstract
Uncontrolled inflammation is a salient factor in multiple chronic inflammatory diseases and cancers. In this review, we provided an in-depth analysis of the relationships and distinctions between uncontrolled inflammation, fibrosis and cancers, while emphasizing the challenges and opportunities of developing novel therapies for the treatment and/or management of these diseases. We described how drug delivery systems, combination therapy and the integration of tissue-targeted and/or pathways selective strategies could overcome the challenges of current agents for managing and/or treating chronic inflammatory diseases and cancers. We also recognized the value of the re-evaluation of the disease-specific roles of multiple pathways implicated in the pathophysiology of chronic inflammatory diseases and cancers-as well as the application of data from single-cell RNA sequencing in the success of future drug discovery endeavors.
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Maier J, Lechel A, Marienfeld R, Barth TFE, Möller P, Mellert K. CARD9 Forms an Alternative CBM Complex in Richter Syndrome. Cancers (Basel) 2022; 14:cancers14030531. [PMID: 35158799 PMCID: PMC8833648 DOI: 10.3390/cancers14030531] [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: 11/21/2021] [Revised: 01/13/2022] [Accepted: 01/18/2022] [Indexed: 11/18/2022] Open
Abstract
Simple Summary The transformation process of chronic lymphocytic leukemia into an aggressive lymphoma, called Richter syndrome (RS), is incompletely understood, and therapeutic options are limited. Here, we report CARD9 to be expressed in a subset of RS tissue specimen and in the first and only available RS cell line, U-RT1. In U-RT1, CARD9 attaches to BCL10 and MALT1, and knockdown of CARD9 leads to a significant reduction in cell viability. We hypothesized that CARD9 plays an oncogenic role in RS through the activation of NF-κB signaling. Our findings may help to extend the current knowledge about the pathogenesis of RS and promote the development of targeted therapies for this aggressive disease. Abstract Richter syndrome (RS) is defined as the transformation of chronic lymphocytic leukemia (CLL) into an aggressive lymphoma, mostly diffuse large B-cell lymphoma (DLBCL). Despite intensive therapy, patients with RS have an unfavorable clinical outcome. The detailed pathobiology of Richter transformation still needs to be elucidated. Here, we report high mRNA and protein levels of CARD9 in the RS cell line U-RT1. Co-immunoprecipitation revealed the assembly of a CBM complex using CARD9 instead of CARD11. CARD9 is known to be an activator of NF-кB signaling in myeloid cells. U-RT1 Western blot analyses showed phosphorylation of IκB as well as IKK, indicating a constitutively active canonical NF-кB pathway. This was further supported by the significant reduction in cell viability and CYLD cleavage products after CARD9 siRNA knockdown. We also showed immunostaining for CARD9 in 53% of cases analyzed in a series of RS tissue specimens, whereas other lymphomas rarely show CARD9 expression. This is the first report on ectopic expression and function of CARD9 in an aggressive B-cell lymphoma. Our findings suggest that CARD9 may contribute to the pathogenesis of RS.
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Affiliation(s)
- Julia Maier
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany; (J.M.); (R.M.); (T.F.E.B.); (K.M.)
| | - André Lechel
- Department of Internal Medicine I, University of Ulm, 89081 Ulm, Germany;
| | - Ralf Marienfeld
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany; (J.M.); (R.M.); (T.F.E.B.); (K.M.)
| | - Thomas F. E. Barth
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany; (J.M.); (R.M.); (T.F.E.B.); (K.M.)
| | - Peter Möller
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany; (J.M.); (R.M.); (T.F.E.B.); (K.M.)
- Correspondence:
| | - Kevin Mellert
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany; (J.M.); (R.M.); (T.F.E.B.); (K.M.)
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Shi L, Yang Y, Li M, Li C, Zhou Z, Tang G, Wu L, Yao Y, Shen X, Hou Z, Jia H. lLncRNA IFITM4P is activated through LPS/TLR4 and promotes immune escape by up-regulating PD-L1 via dual mechanism during oral carcinogenesis. Mol Ther 2022; 30:1564-1577. [PMID: 35051616 PMCID: PMC9077312 DOI: 10.1016/j.ymthe.2022.01.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 10/15/2021] [Accepted: 01/03/2022] [Indexed: 11/16/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) which is typically preceded from oral leukoplakia (OL), is a common malignancy with poor prognosis. However, the signaling molecules governing this progression remain to be defined. Based on microarray analysis of genes expressed in OL and OSCC samples, we discovered that LncRNA IFITM4P was highly expressed in OSCC and ectopic expression or knockdown of IFITM4P resulted in increased or decreased cell proliferation in vitro and in xenografted tumors respectively. Mechanistically, in the cytoplasm IFITM4P acted as a scaffold to facilitate recruiting SASH1 to bind and phosphorylate TAK1 (Thr187), and in turn to increase the phosphorylation of NF-κB (Ser536) and concomitant induction of PD-L1 expression, resulting in activation of an immunosuppressive program that allows OL cells to escape anti-cancer immunity in cytoplasm. In nucleus, IFITM4P reduced Pten transcription by enhancing the binding of KDM5A to the Pten promoter, thereby upregulating PD-L1 in OL cells. Moreover, mice bearing tumors with high IFITM4P expression had notable therapeutic sensitivity to PD-1 mAb treatment. Collectively, these data demonstrate that IFITM4P may serve as a new therapeutic target in blockage of oral carcinogenesis, and PD-1 mAb can be an efective reagent to treat OSCC.
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Affiliation(s)
- Linjun Shi
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Yuquan Yang
- Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Mengying Li
- Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Chenxi Li
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Zengtong Zhou
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Guoyao Tang
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Lan Wu
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Yilin Yao
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Xuemin Shen
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; Shanghai 200011, China; National Center for Stomatology; National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China.
| | - Zhaoyuan Hou
- Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry & Molecular Cellular Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Hao Jia
- Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry & Molecular Cellular Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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Coles VE, Darveau P, Zhang X, Harvey H, Henriksbo BD, Yang A, Schertzer JD, Magolan J, Burrows LL. Exploration of BAY 11-7082 as a Potential Antibiotic. ACS Infect Dis 2022; 8:170-182. [PMID: 34860493 DOI: 10.1021/acsinfecdis.1c00522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Exposure of the Gram-negative pathogen Pseudomonas aeruginosa to subinhibitory concentrations of antibiotics increases the formation of biofilms. We exploited this phenotype to identify molecules with potential antimicrobial activity in a biofilm-based high-throughput screen. The anti-inflammatory compound BAY 11-7082 induced dose-dependent biofilm stimulation, indicative of antibacterial activity. We confirmed that BAY 11-7082 inhibits the growth of P. aeruginosa and other priority pathogens, including methicillin-resistant Staphylococcus aureus (MRSA). We synthesized 27 structural analogues, including a series based on the related scaffold 3-(phenylsulfonyl)-2-pyrazinecarbonitrile (PSPC), 10 of which displayed increased anti-Staphylococcal activity. Because the parent molecule inhibits the NLR Family Pyrin Domain Containing 3 (NLRP3) inflammasome, we measured the ability of select analogues to reduce interleukin-1β (IL-1β) production in mammalian macrophages, identifying minor differences in the structure-activity relationship for the anti-inflammatory and antibacterial properties of this scaffold. Although we could evolve stably resistant MRSA mutants with cross-resistance to BAY 11-7082 and PSPC, their lack of shared mutations suggested that the two molecules could have multiple targets. Finally, we showed that BAY 11-7082 and its analogues synergize with penicillin G against MRSA, suggesting that this scaffold may serve as an interesting starting point for the development of antibiotic adjuvants.
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Affiliation(s)
- Victoria E. Coles
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
| | - Patrick Darveau
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4L8, Canada
| | - Xiong Zhang
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
| | - Hanjeong Harvey
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
| | - Brandyn D. Henriksbo
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
| | - Angela Yang
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
| | - Jonathan D. Schertzer
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
| | - Jakob Magolan
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4L8, Canada
| | - Lori L. Burrows
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main Street West Hamilton, Ontario L8S 4K1, Canada
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MED1 Deficiency in Macrophages Accelerates Intimal Hyperplasia via ROS Generation and Inflammation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:3010577. [PMID: 34853629 PMCID: PMC8629658 DOI: 10.1155/2021/3010577] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/17/2021] [Accepted: 11/07/2021] [Indexed: 11/17/2022]
Abstract
Mediator complex subunit 1 (MED1) is a component of the mediator complex and functions as a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Previously, we showed that MED1 in macrophages has a protective effect on atherosclerosis; however, the effect of MED1 on intimal hyperplasia and mechanisms regulating proinflammatory cytokine production after macrophage MED1 deletion are still unknown. In this study, we report that MED1 macrophage-specific knockout (MED1 ΔMac) mice showed aggravated neointimal hyperplasia, vascular smooth muscle cells (VSMCs), and macrophage accumulation in injured arteries. Moreover, MED1 ΔMac mice showed increased proinflammatory cytokine production after an injury to the artery. After lipopolysaccharide (LPS) treatment, MED1 ΔMac macrophages showed increased generation of reactive oxygen species (ROS) and reduced expression of peroxisome proliferative activated receptor gamma coactivator-1α (PGC1α) and antioxidant enzymes, including catalase and glutathione reductase. The overexpression of PGC1α attenuated the effects of MED1 deficiency in macrophages. In vitro, conditioned media from MED1 ΔMac macrophages induced more proliferation and migration of VSMCs. To explore the potential mechanisms by which MED1 affects inflammation, macrophages were treated with BAY11-7082 before LPS treatment, and the results showed that MED1 ΔMac macrophages exhibited increased expression of phosphorylated-p65 and phosphorylated signal transducer and activator of transcription 1 (p-STAT1) compared with the control macrophages, suggesting the enhanced activation of NF-κB and STAT1. In summary, these data showed that MED1 deficiency enhanced inflammation and the proliferation and migration of VSMCs in injured vascular tissue, which may result from the activation of NF-κB and STAT1 due to the accumulation of ROS.
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Lang Y, Chu F, Liu L, Zheng C, Li C, Shen D, Liu S, Zhang W, Cui L, Zhu J. Potential role of BAY11-7082, a NF-κB blocker inhibiting experimental autoimmune encephalomyelitis in C57BL/6J mice via declining NLRP3 inflammasomes. Clin Exp Immunol 2021; 207:378-386. [PMID: 35553640 PMCID: PMC9113142 DOI: 10.1093/cei/uxab022] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 11/03/2021] [Accepted: 11/20/2021] [Indexed: 12/12/2022] Open
Abstract
Multiple sclerosis (MS) is an inflammatory autoimmune demyelinating disease of the central nervous system. NOD-like receptor pyrin domain-containing 3 (NLRP3) inflammasome, is implicated in the pathogenesis of MS and its animal model, experimental autoimmune encephalomyelitis (EAE). However, the exact mechanism by which NLRP3 inflammasome is involved in the development of MS and EAE is not clear. NF-kappaB (NF-κB) is associated with the activity of NLRP3 inflammasomes, but the role of NF-κB is controversial. We sought to demonstrate that both NF-κB and NLRP3 contribute to development of MS and EAE, and NF-κB pathway is positively correlated with NLRP3 activation in EAE. The inhibitor of NF-κB and NLRP3, BAY11-7082, can prevent and treat EAE. BAY11-7082 (5mg/kg/i.p and 20 mg/kg/i.p) was intraperitoneally administered to EAE mice at the time of second injection of pertussis toxin (BAY11-7082 prevention group) or at the onset of symptoms (BAY11-7082 treatment group). mRNA expressions of NLRP3 were determined by qPCR. Protein expressions of NLRP3, NF-κBp65, and phosphorylated-p65 were determined by Western blotting. Serum levels of inflammatory cytokines were measured by Cytometric Bead Array. Mice treated with BAY11-7082 (both prevention and treatment groups) showed lower clinical scores and attenuated pathological changes. NLRP3 inflammasome and activity of NF-κB in spinal cord of EAE mice was higher than that in control group. However, the level of NLRP3 inflammasome decreased in BAY11-7082 prevention and treatment groups. BAY11-7082 is a promising therapeutic agent for MS. NLRP3 activation in EAE maybe related with NF-κB pathway.
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Affiliation(s)
- Yue Lang
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Fengna Chu
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Lingling Liu
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Chao Zheng
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Chunrong Li
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Donghui Shen
- Department of neurology, Qingdao Municipal Hospital, Qingdao, Shandong Province, China
| | - Shan Liu
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Weiguanliu Zhang
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Li Cui
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jie Zhu
- Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China.,Department of Neurobiology, Care Sciences & Society, Division of Neurogeriatrcs, Karolinska Institutet, Karolinska University Hospital Solna, Stockholm, Sweden
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48
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Anti-Gastritis and Anti-Lung Injury Effects of Pine Tree Ethanol Extract Targeting Both NF-κB and AP-1 Pathways. Molecules 2021; 26:molecules26206275. [PMID: 34684856 PMCID: PMC8538959 DOI: 10.3390/molecules26206275] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/03/2021] [Accepted: 10/13/2021] [Indexed: 02/07/2023] Open
Abstract
An ethanol extract (Pd-EE) of Pinus densiflora Siebold and Zucc was derived from the branches of pine trees. According to the Donguibogam, pine resin has the effects of lowering the fever, reducing pain, and killing worms. The purpose of this study is to investigate whether Pd-EE has anti-inflammatory effects. During in vitro trials, NO production, as well as changes in the mRNA levels of inflammation-related genes and the phosphorylation levels of related proteins, were confirmed in RAW264.7 cells activated with lipopolysaccharide depending on the presence or absence of Pd-EE treatment. The activities of transcription factors were checked in HEK293T cells transfected with adapter molecules in the inflammatory pathway. The anti-inflammatory efficacy of Pd-EE was also estimated in vivo with acute gastritis and acute lung injury models. LC-MS analysis was conducted to identify the components of Pd-EE. This extract reduced the production of NO and the mRNA expression levels of iNOS, COX-2, and IL-6 in RAW264.7 cells. In addition, protein expression levels of p50 and p65 and phosphorylation levels of FRA1 were decreased. In the luciferase assay, the activities of NF-κB and AP-1 were lowered. In acute gastritis and acute lung injury models, Pd-EE suppressed inflammation, resulting in alleviated damage.
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Kim T, Kwon H, Lee DY, Kim DJ, Jeon Y, Shin H, Kim HS, Hur J, Lim C, Kim EH, Shin D, Kim SH. Concise syntheses and anti-inflammatory effects of isocorniculatolide B and corniculatolide B and C. Bioorg Chem 2021; 116:105398. [PMID: 34628222 DOI: 10.1016/j.bioorg.2021.105398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/16/2021] [Accepted: 09/29/2021] [Indexed: 01/05/2023]
Abstract
The first total syntheses of isocorniculatolide B, corniculatolide B, and corniculatolide C, consisting of isomeric corniculatolide skeletons, have been accomplished in a divergent manner. The key features of the synthesis involve the construction of diaryl ether linkages by nucleophilic aromatic substitution, installation of a C14-substituted alkyl side chain via a sequence of Baeyer-Villiger reaction and Claisen rearrangement, and efficient construction of corniculatolide and isocorniculatolide frameworks, including 17-membered (exterior) macrolactone skeletons from a versatile diaryl ether intermediate by Mitsunobu macrolactonization. Moreover, we prepared the structural congeners of isomeric corniculatolides via diverted total synthesis approach including desmethyl analogues and related dimeric macrolides. The anti-inflammatory activities of the synthesized natural products, analogues and synthetic intermediates were also investigated. In particular, corniculatolide B significantly inhibited the protein expression of COX-2 and the mRNA expressions of TNF-α, IL-1β and IL-6 by inhibiting of NF-κB signaling in intestinal epithelial cells induced by lipopolysaccharide treatment. It also significantly inhibited the promoter activity and the phosphorylation of subunits p50 and p65 of NF-κB to the same extent as Bay 11-7082, a potent IκB kinase inhibitor. These results suggest that corniculatolide B might have therapeutic potential in inflammatory bowel disease via NF-κB signaling pathway.
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Affiliation(s)
- Taewoo Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Hyuk Kwon
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Da-Young Lee
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Dong-Jun Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Yoonsu Jeon
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Hyeyoung Shin
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Hyun Su Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea
| | - Joonseong Hur
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, 21999, 155 Gaetbeol-ro, Yeonsu-gu, Incheon, South Korea
| | - Changjin Lim
- School of Pharmacy, Jeonbuk National University, Jeonju 54896, South Korea
| | - Eun-Hee Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea.
| | - Dongyun Shin
- College of Pharmacy, Gachon University, 191 Hambangmoe-ro, Yeonsu-gu, Incheon 21936, South Korea.
| | - Seok-Ho Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, 120 Haeryong-ro, Pocheon-si, Gyeonggi-do, 11160, South Korea.
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Anti-Inflammatory Azaphilones from the Edible Alga-Derived Fungus Penicillium sclerotiorum. Mar Drugs 2021; 19:md19100529. [PMID: 34677428 PMCID: PMC8537458 DOI: 10.3390/md19100529] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/11/2021] [Accepted: 09/18/2021] [Indexed: 11/16/2022] Open
Abstract
To discover the new medical entity from edible marine algae, our continuously natural product investigation focused on endophytes from marine macroalgae Grateloupia sp. Two new azaphilones, 8a-epi-hypocrellone A (1), 8a-epi-eupenicilazaphilone C (2), together with five known azaphilones, hypocrellone A (3), eupenicilazaphilone C (4), ((1E,3E)-3,5-dimethylhepta-1,3-dien-1-yl)-2,4-dihydroxy-3-methylbenzaldehyde (5), sclerotiorin (6), and isochromophilone IV (7) were isolated from the alga-derived fungus Penicillium sclerotiorum. The structures of isolated azaphilones (1–7) were elucidated by spectrometric identification, especially HRESIMS, CD, and NMR data analyses. Concerning bioactivity, cytotoxic, anti-inflammatory, and anti-fibrosis activities of those isolates were evaluated. As a result, compound 1 showed selective toxicity toward neuroblastoma cell line SH-SY5Y among seven cancer and one fibroblast cell lines. 20 μM of compounds 1, 3, and 7 inhibited the TNF-α-induced NFκB phosphorylation but did not change the NFκB activity. Compounds 2 and 6 respectively promoted and inhibited SMAD-mediated transcriptional activities stimulated by TGF-β.
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