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El-Obeid A, Yahya WB, Almuzzaini B, Tuwaijri AA, Najdi M, Hassib A, Matou-Nasri S. Herbal melanin induces interleukin-1β secretion and production by human THP-1 monocytes via Toll-like receptor 2 and p38 MAPK activation. Exp Ther Med 2021; 22:1081. [PMID: 34447474 PMCID: PMC8355711 DOI: 10.3892/etm.2021.10515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
Herbal melanin (HM), extracted from Nigella sativa, is known for its immunogenic properties through the modulation of cytokine production via Toll-like receptor (TLR)4. TLRs play a crucial role in the host defense through the regulation of innate and adaptive immune responses. However, the potential effect of HM on the production of interleukin-1β (IL-1β), the main immunoregulatory cytokine secreted by activated monocytes, has not been reported. The present study aimed to investigate the effects of HM on IL-1β secretion and production, detected by enzyme-linked immunosorbent assay, western blotting and mRNA expression monitored by reverse transcription-PCR, in human monocytes and a monocytic cell line, THP-1. Signaling pathways involved in the HM-induced IL-1β production was investigated in the THP-1 cells. It was shown that HM upregulated the IL-1β mRNA in the THP-1 cells and induced the secretion of IL-1β in the monocytes and THP-1 cells, in a dose-dependent manner, compared to the untreated cells. HM increased the protein expression of IL-1β, TLR2, the main receptor for IL-1β production, and activated p38 mitogen-activated protein kinase (MAPK), a key mediator for stress-induced IL-1β gene expression. The blockade of the p38 MAPK pathway, with the pharmacological inhibitor SB202190, and TLR2 receptor with a neutralization antibody, resulted in the decrease of HM-induced IL-1β production in THP-1 cells. The TLR4 receptor blockade also decreased HM-induced IL-1β production, but to a lesser extent than TLR2 blockade. In conclusion, the present study demonstrated that HM stimulates IL-1β production in monocytes and THP-1 cells, in a TLR2/p38 MAPK pathway-dependent manner, suggesting promising immunoregulatory potentials of HM against inflammatory-associated diseases.
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Affiliation(s)
- Adila El-Obeid
- Biobank, King Abdullah International Medical Research Center, Riyadh 11481, Saudi Arabia.,School of Pharmacy, Ahfad University for Women, Omdurman, Khartoum 11111, Sudan.,Department of Genetics and Pathology, Rudbeck Laboratory, Uppsala University Hospital, 752 37 Uppsala, Sweden
| | - Wesam Bin Yahya
- Cell and Gene Therapy Group, Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia.,Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs; King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia
| | - Bader Almuzzaini
- Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs; King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia
| | - Abeer Al Tuwaijri
- Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs; King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia
| | - Maria Najdi
- Cell and Gene Therapy Group, Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia.,Postgraduate Program, King Saud University, Riyadh 12372, Saudi Arabia
| | - Adil Hassib
- Department of Physics, Faculty of Science, University of Khartoum, Khartoum 11111, Sudan
| | - Sabine Matou-Nasri
- Cell and Gene Therapy Group, Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia.,Medical Genomics Research Department, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs; King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia
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Martínez C, Juarranz Y, Gutiérrez-Cañas I, Carrión M, Pérez-García S, Villanueva-Romero R, Castro D, Lamana A, Mellado M, González-Álvaro I, Gomariz RP. A Clinical Approach for the Use of VIP Axis in Inflammatory and Autoimmune Diseases. Int J Mol Sci 2019; 21:E65. [PMID: 31861827 PMCID: PMC6982157 DOI: 10.3390/ijms21010065] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 12/11/2022] Open
Abstract
The neuroendocrine and immune systems are coordinated to maintain the homeostasis of the organism, generating bidirectional communication through shared mediators and receptors. Vasoactive intestinal peptide (VIP) is the paradigm of an endogenous neuropeptide produced by neurons and endocrine and immune cells, involved in the control of both innate and adaptive immune responses. Exogenous administration of VIP exerts therapeutic effects in models of autoimmune/inflammatory diseases mediated by G-protein-coupled receptors (VPAC1 and VPAC2). Currently, there are no curative therapies for inflammatory and autoimmune diseases, and patients present complex diagnostic, therapeutic, and prognostic problems in daily clinical practice due to their heterogeneous nature. This review focuses on the biology of VIP and VIP receptor signaling, as well as its protective effects as an immunomodulatory factor. Recent progress in improving the stability, selectivity, and effectiveness of VIP/receptors analogues and new routes of administration are highlighted, as well as important advances in their use as biomarkers, contributing to their potential application in precision medicine. On the 50th anniversary of VIP's discovery, this review presents a spectrum of potential clinical benefits applied to inflammatory and autoimmune diseases.
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Affiliation(s)
- Carmen Martínez
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Yasmina Juarranz
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Irene Gutiérrez-Cañas
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Mar Carrión
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Selene Pérez-García
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Raúl Villanueva-Romero
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - David Castro
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Amalia Lamana
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
| | - Mario Mellado
- Departamento de Inmunología y Oncología, Centro Nacional de Biotecnología (CNB)/CSIC, 28049 Madrid, Spain;
| | - Isidoro González-Álvaro
- Servicio de Reumatología, Instituto de Investigación Médica, Hospital Universitario La Princesa, 28006 Madrid, Spain;
| | - Rosa P. Gomariz
- Departamento de Biología Celular, Facultad de Biología y Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain; (Y.J.); (I.G.-C.); (M.C.); (S.P.-G.); (R.V.-R.); (D.C.); (A.L.); (R.P.G.)
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Santangelo C, Filardi T, Perrone G, Mariani M, Mari E, Scazzocchio B, Masella R, Brunelli R, Lenzi A, Zicari A, Morano S. Cross-talk between fetal membranes and visceral adipose tissue involves HMGB1-RAGE and VIP-VPAC2 pathways in human gestational diabetes mellitus. Acta Diabetol 2019; 56:681-689. [PMID: 30820673 DOI: 10.1007/s00592-019-01304-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 02/13/2019] [Indexed: 01/08/2023]
Abstract
AIMS Gestational diabetes mellitus (GDM) is defined as glucose intolerance that is first diagnosed during pregnancy. Maternal adipose tissue and fetal membranes secrete various molecules that are relevant players in the pathogenesis of GDM. This pilot study aimed to examine whether the expression of the high mobility group box 1 protein (HMGB1) and its receptor for advanced glycation end products (RAGE), and the vasoactive intestinal peptide (VIP) and its receptors (VPAC-1,-2) were modified in pregnant women with GDM. METHODS Fetal membranes (FMs), omental adipose tissue (VAT) explants, and serum samples were obtained from 12 women with GDM and 12 with normal glucose tolerance (NGT) at delivery. The expression of HMGB1, RAGE and VIP, VPAC-1,-2 was detected by Western Blotting in explants; circulating levels and "in vitro" release of HMGB1 and VIP were measured by ELISA tests. RESULTS HMGB1 tissue expression was higher in FMs obtained from GDM women (p = 0.02) than in FMs from NGT women. VPAC2 (p = 0.03) and RAGE (p = 0.03) tissue expressions were significantly increased in VAT from GDM subjects. Only FMs of NGT released detectable levels of HMGB1, which was not observed in samples obtained from GDM. VAT of GDM released lower levels of VIP (p = 0.05) than NGT samples. CONCLUSIONS This study indicates that a fine tuned regulation exists between FMs and VAT throughout pregnancy to maintain immune metabolic homeostasis. In GDM a balance between inflammatory and anti-inflammatory mediators has been observed. Further studies are needed to establish their exact role on fetal and maternal outcomes in GDM.
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Affiliation(s)
- Carmela Santangelo
- Center for Gender-Specific Medicine, Gender Specific Prevention and Health Unit, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.
| | - Tiziana Filardi
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, Rome, Italy
| | - Giuseppina Perrone
- Department of Gynecology Obstetrics and Urology, "Sapienza" University of Rome, Rome, Italy
| | - Marianna Mariani
- Department of Gynecology Obstetrics and Urology, "Sapienza" University of Rome, Rome, Italy
| | - Emanuela Mari
- Department of Experimental Medicine, 2nd Section of Cell Pathology, Sapienza University of Rome, Viale Regina Elena 324, Rome, Italy
| | - Beatrice Scazzocchio
- Center for Gender-Specific Medicine, Gender Specific Prevention and Health Unit, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Roberta Masella
- Center for Gender-Specific Medicine, Gender Specific Prevention and Health Unit, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Roberto Brunelli
- Department of Gynecology Obstetrics and Urology, "Sapienza" University of Rome, Rome, Italy
| | - Andrea Lenzi
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, Rome, Italy
| | - Alessandra Zicari
- Department of Experimental Medicine, 2nd Section of Cell Pathology, Sapienza University of Rome, Viale Regina Elena 324, Rome, Italy
| | - Susanna Morano
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, Rome, Italy
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Jacquelot N, Luong K, Seillet C. Physiological Regulation of Innate Lymphoid Cells. Front Immunol 2019; 10:405. [PMID: 30915072 PMCID: PMC6422966 DOI: 10.3389/fimmu.2019.00405] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 02/15/2019] [Indexed: 12/17/2022] Open
Abstract
Discovery of innate lymphoid cells (ILCs) have provoked a paradigm shift in our understanding of the immune protection. Their constitutive presence and activity at the body's barrier surfaces ensure the maintenance of the tissue homeostasis and immune protection. This complex family has distinct and non-redundant functions that can have both beneficial and detrimental effects on disease outcome. The capacity of ILCs to perform their function effectively relies on their ability to sense and integrate intrinsic and extrinsic signals. Recent studies have shown that ILCs are not only sensitive to pathogen-derived stimuli but are also very well equipped to sense host-derived signals such as neuropeptides, hormones, and metabolites. The integration of these signals represents a complex and constant cross-talk between the immune system and the physiological systems of the body, including the nervous, endocrine, digestive, and reproductive systems. The physiological regulation of ILCs constitutes an important step in our understanding of the events leading to the protective and pathological properties of these cells. This review summarizes the recent advances in the understanding of the regulation of ILCs by physiological signals and their consequences on the maintenance of tissue homeostasis.
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Affiliation(s)
- Nicolas Jacquelot
- Molecular Immunology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Kylie Luong
- Molecular Immunology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Cyril Seillet
- Molecular Immunology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
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Sensing of physiological regulators by innate lymphoid cells. Cell Mol Immunol 2019; 16:442-451. [PMID: 30842626 DOI: 10.1038/s41423-019-0217-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 02/05/2019] [Indexed: 12/17/2022] Open
Abstract
Maintenance of homeostasis and immune protection rely on the coordinated action of different physiological systems. Bidirectional communication between the immune system and physiological systems is required to sense and restore any disruption of equilibrium. Recent transcriptomic analyses of innate lymphoid cells (ILCs) from different tissues have revealed that ILCs express a large array of receptors involved in the recognition of neuropeptides, hormones and metabolic signals. ILCs rapidly secrete effector cytokines that are central in the development and activation of early immune responses, but they also constitutively secrete mediators that are important for tissue homeostasis. To achieve these functions effectively, ILCs integrate intrinsic and extrinsic signals that modulate their constitutive and induced activity. Disruption of the regulation of ILCs by physiological regulators leads to altered immune responses with harmful consequences for the organism. An understanding of these complex interactions between the immune system and physiological mediators is crucial to decipher the events leading to the protective versus pathological effects of these cells.
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Galoian K, Patel P. Epigenetic control of cancer by neuropeptides. Biomed Rep 2016; 6:3-7. [PMID: 28123699 DOI: 10.3892/br.2016.804] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 10/26/2016] [Indexed: 12/26/2022] Open
Abstract
Neuropeptides act as neurohormones, neurotransmitters and/or neuromodulators. Neuropeptides maintain physiological homeostasis and are paramount in molecular mechanisms of disease progression and regulation, including in cancer. Neuropeptides, by their definition, originate and are secreted from the neuronal cells, they are able to signal to neighboring cells or are released into the blood flow, if they act as neurohormones. The majority of neuropeptides exert their functions through G protein-coupled receptors, with certain exceptions. Although previous studies indicate that neuropeptides function in supporting proliferation of malignant cells in many types of solid tumor, the antitumorigenic action of the neuropeptides and their receptors, for example, in gastric cancers and chondrosarcoma, were also reported. It is known that epigenetically modified chromatin regulates molecular mechanisms involved in gene expression and malignant progression. The epigenetic modifications are genetically heritable, although they do not cause changes in DNA sequence. DNA methylation, histone modifications and miRNA expression are subject to those modifications. While there is substantial data on epigenetic regulation of neuropeptides, the epigenetic control of cancer by neuropeptides is considered to be uncharted territory. The aim of the current review is to describe the involvement of neuropeptides in the epigenetic machinery of cancer based on data obtained from our laboratory and from other authors.
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Affiliation(s)
- Karina Galoian
- Department of Orthopedics, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Parthik Patel
- Department of Orthopedics, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
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