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Cataldo Russomando A, Steinberg D, Gati I, Vogt Sionov R, Eliashar R, Friedman M, Gross M. Sinonasal Stent Coated with Sustained-Release Varnish of Mometasone Furoate Inhibits Pro-Inflammatory Cytokine Release from Macrophages: An In Vitro Study. Pharmaceutics 2023; 15:pharmaceutics15031015. [PMID: 36986875 PMCID: PMC10051169 DOI: 10.3390/pharmaceutics15031015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
The aim of the study was to develop a sustained-release varnish (SRV) containing mometasone furoate (MMF) for sinonasal stents (SNS) to reduce mucosa inflammation in the sinonasal cavity. The SNS' segments coated with SRV-MMF or an SRV-placebo were incubated daily in a fresh DMEM at 37 °C for 20 days. The immunosuppressive activity of the collected DMEM supernatants was tested on the ability of mouse RAW 264.7 macrophages to secrete the cytokines' tumor necrosis factor α (TNFα) and interleukin (IL)-10 and IL-6 in response to lipopolysaccharide (LPS). The cytokine levels were determined by respective Enzyme-Linked Immunosorbent Assays (ELISAs). We found that the daily amount of MMF released from the coated SNS was sufficient to significantly inhibit LPS-induced IL-6 and IL-10 secretion from the macrophages up to days 14 and 17, respectively. SRV-MMF had, however, only a mild inhibitory effect on LPS-induced TNFα secretion as compared to the SRV-placebo-coated SNS. In conclusion, the coating of SNS with SRV-MMF provides a sustained delivery of MMF for at least 2 weeks, maintaining a level sufficient for inhibiting pro-inflammatory cytokine release. This technological platform is, therefore, expected to provide anti-inflammatory benefits during the postoperative healing period and may play a significant role in the future treatment of chronic rhinosinusitis.
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Affiliation(s)
- Alessandra Cataldo Russomando
- Department of Otolaryngology-Head and Neck Surgery, Hadassah Medical Center, Jerusalem 9112102, Israel
- The Biofilm Research Laboratory, The Institute of Biomedical and Oral Research (IBOR), The Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Doron Steinberg
- The Biofilm Research Laboratory, The Institute of Biomedical and Oral Research (IBOR), The Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Irith Gati
- Institute for Drug Research, School of Pharmacy, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Ronit Vogt Sionov
- The Biofilm Research Laboratory, The Institute of Biomedical and Oral Research (IBOR), The Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Ron Eliashar
- Department of Otolaryngology-Head and Neck Surgery, Hadassah Medical Center, Jerusalem 9112102, Israel
- The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Michael Friedman
- Institute for Drug Research, School of Pharmacy, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Menachem Gross
- Department of Otolaryngology-Head and Neck Surgery, Hadassah Medical Center, Jerusalem 9112102, Israel
- The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
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Carsuzaa F, Béquignon É, Dufour X, de Bonnecaze G, Lecron JC, Favot L. Cytokine Signature and Involvement in Chronic Rhinosinusitis with Nasal Polyps. Int J Mol Sci 2021; 23:ijms23010417. [PMID: 35008843 PMCID: PMC8745309 DOI: 10.3390/ijms23010417] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 02/07/2023] Open
Abstract
Cytokines are well known to play a central role in chronic rhinosinusitis with nasal polyps (CRSwNP), particularly in maintenance of the inflammatory response and the recruitment of eosinophils. The pathophysiological concepts concerning the involvement of inflammatory cytokines in CRSwNP have gradually evolved. Although the Th2 cytokines environment associated with an eosinophilic infiltration has retained a central role in the genesis of polyps, the role of other cytokine subpopulations has also and more recently been detailed, leading to a specific and complex signature in CRSwNP. The purpose of this review is to summarize the current state of knowledge about the cytokine signature in CRSwNP, the role of cytokines in the pathogenesis of this disease and in the intercellular dialog between epithelial cells, fibroblasts and inflammatory cells. Knowledge of this precise cytokine signature in CRSwNP is fundamental in the perspective of potential targeting biotherapies.
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Affiliation(s)
- Florent Carsuzaa
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, 86000 Poitiers, France; (X.D.); (J.-C.L.); (L.F.)
- Oto-Rhino-Laryngologie et Chirurgie Cervico-Maxillo-Faciale, Centre Hospitalier Universitaire de Poitiers, 86021 Poitiers, France
- Correspondence: ; Tel.: +33-(0)5-49-44-43-28
| | - Émilie Béquignon
- Oto-Rhino-Laryngologie et Chirurgie Cervico-Faciale, Hôpital Henri Mondor et Centre Hospitalier Intercommunal de Créteil, 94010 Créteil, France;
- INSERM U955, Équipe 13, Centre Henri Mondor de Recherche Biomédicale, 94000 Créteil, France
| | - Xavier Dufour
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, 86000 Poitiers, France; (X.D.); (J.-C.L.); (L.F.)
- Oto-Rhino-Laryngologie et Chirurgie Cervico-Maxillo-Faciale, Centre Hospitalier Universitaire de Poitiers, 86021 Poitiers, France
| | - Guillaume de Bonnecaze
- Oto-Rhino-Laryngologie et Chirurgie Cervico-Faciale, Centre Hospitalier Universitaire de Toulouse, 31400 Toulouse, France;
| | - Jean-Claude Lecron
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, 86000 Poitiers, France; (X.D.); (J.-C.L.); (L.F.)
- Service Immunologie et Inflammation, Centre Hospitalier Universitaire de Poitiers, 86021 Poitiers, France
| | - Laure Favot
- Laboratoire Inflammation Tissus Epithéliaux et Cytokines (LITEC), Université de Poitiers, 86000 Poitiers, France; (X.D.); (J.-C.L.); (L.F.)
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Wang C, Yan B, Zhang L. The epithelium-derived inflammatory mediators of chronic rhinosinusitis with nasal polyps. Expert Rev Clin Immunol 2020; 16:293-310. [PMID: 31986923 DOI: 10.1080/1744666x.2020.1723417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Chengshuo Wang
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Bing Yan
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Luo Zhang
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
- Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
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Wakayama N, Matsune S, Takahara E, Sekine K, Yoshioka Y, Ishida M, Yamaguchi S, Okubo K, Sunazuka T, Ōmura S. Anti-Inflammatory Effects of EM900 on Cultured Human Nasal Epithelial Cells. J NIPPON MED SCH 2019; 85:265-270. [PMID: 30464143 DOI: 10.1272/jnms.jnms.2018_85-42] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVES Macrolide therapy is an important conservative therapy for chronic rhinosinusitis, especially in Japan. The mechanism underlying this therapy involves anti-inflammatory and not antimicrobial activity. However, the administration of long-term low-dose macrolides (LTLMs) causes an increase in the number of antibiotic-resistant bacteria. EM900 is a derivative of erythromycin (EM), with anti-inflammatory but not antibacterial effects. It does not induce macrolide-resistant bacteria as shown by LTLM. In the present study, we analyzed the inhibitory effects of EM900 in comparison with those of clarithromycin (CAM) on inflammatory cytokine production in human nasal epithelial cells (HNEpCs). METHODS After HNEpCs were cultured for 4 days, CAM or EM900 was added into the culture, followed by stimulation with tumor necrosis factor (TNF)-α. Interleukin (IL)-8 and vascular endothelial growth factor (VEGF) levels were measured using real-time polymerase chain reaction (RT-PCR) and an enzyme-linked immunosorbent assay (ELISA). RESULTS Both the ELISA and RT-PCR showed that EM900 and CAM significantly inhibited IL-8 production in HNEpCs. In contrast, EM900 and CAM did not suppress the increased VEGF production when HNEpCs were stimulated with TNF-α. CONCLUSION EM900 showed an anti-inflammatory effect, such as that of CAM, due to the inhibitory effect on IL-8 production in HNEpCs.
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Affiliation(s)
- Nozomu Wakayama
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Shoji Matsune
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Eriko Takahara
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Kuwon Sekine
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Yuma Yoshioka
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Mariko Ishida
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Satoshi Yamaguchi
- Department of Otolaryngology, Nippon Medical School Musashi Kosugi Hospital
| | - Kimihiro Okubo
- Department of Otolaryngology, Nippon Medical School, Graduate School of Medicine, Head and Neck Surgery
| | | | - Satoshi Ōmura
- Kitasato Institute for Life Sciences, Kitasato University
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İsmi O, Özcan C, Polat G, Kul S, Görür K, Pütürgeli T. TNF-α and IL-1 β Cytokine Gene Polymorphism in Patients with Nasal Polyposis. Turk Arch Otorhinolaryngol 2017; 55:51-56. [PMID: 29392055 DOI: 10.5152/tao.2017.2389] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 04/23/2017] [Indexed: 11/22/2022] Open
Abstract
Objective Nasal Polyp (NP) is a benign mass of the paranasal sinuses that protrudes into the nasal cavity. The exact underlying pathogenesis is not known. In this study we aimed to determine the genetic susceptibility of NP formation in relation to TNF-α-308 and IL-1β-511 promoter region gene polymorphisms. Methods A total of 71 patients with NP with asthma (n=21) or without asthma (n=50) were taken as the study group, and 91 healthy volunteers were taken as the control group. Blood was gathered into EDTA-containing tubes, and patient DNA was extracted. The polymorphisms of the IL-β and TNF-α cytokine genes were analyzed using real time polymerase chain reaction. Results The GG genotype in the TNF-α-308 region and the CC genotype in the IL-1β-511 region were found to be risk factors for NP formation (OR: 9.2, p=0.007 and OR: 33.3, p=0.001, respectively). Regarding allelic frequencies, the G allele at the TNF-α-308 promoter region was a risk factor for NP formation (OR: 6.06, p<0.001). Conclusion TNF-α GG genotype in the -308 promoter region and the IL-1β CC genotype in the -511 region are genetic risk factors for NP formation.
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Affiliation(s)
- Onur İsmi
- Department of Otorhinolaryngology, Mersin University School of Medicine, Mersin, Turkey
| | - Cengiz Özcan
- Department of Otorhinolaryngology, Mersin University School of Medicine, Mersin, Turkey
| | - Gürbüz Polat
- Department of Biochemistry, Mersin University School of Medicine, Mersin, Turkey
| | - Seval Kul
- Department of Biostatistics, Mersin University School of Medicine, Mersin, Turkey
| | - Kemal Görür
- Department of Otorhinolaryngology, Mersin University School of Medicine, Mersin, Turkey
| | - Tuğçe Pütürgeli
- Department of Otorhinolaryngology, Mersin University School of Medicine, Mersin, Turkey
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Abstract
BACKGROUND Nasal polyposis represents the end point of multiple inflammatory pathways and controversy continues as to the exact roles of medical and surgical approaches in the management of nasal polyposis. METHODS A combination of both is often required to manage polyps adequately with surgery and intranasal steroids remaining the mainstay of therapy. RESULTS Fortunately, new technological advances are making surgery safer and more efficient. In the postoperative period, debridement is effective in reducing the formation of adhesions, and topical medications may play a beneficial role in preventing polyp reformation. CONCLUSION Additional investigations into the optimal perioperative medical management is needed to ensure optimal surgical outcomes.
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Affiliation(s)
- Rony K Aouad
- Department of Otolaryngology-Head and Neck Surgery, University of California, Davis School of Medicine, Sacramento, USA
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Perić A, Vojvodić D, Radulović V, Vukomanović-Đurđević B, Miljanović O. Correlation between cytokine levels in nasal fluid and eosinophil counts in nasal polyp tissue in asthmatic and non-asthmatic patients. Allergol Immunopathol (Madr) 2011; 39:133-9. [PMID: 21211895 DOI: 10.1016/j.aller.2010.05.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2010] [Revised: 05/13/2010] [Accepted: 05/17/2010] [Indexed: 11/25/2022]
Abstract
BACKGROUND/AIMS Concentrations of mediators in nasal secretions could reflect the inflammatory status of the nasal mucosa and evolution of sinus disease. So, the aim of our study was to evaluate local immune reaction by measuring crucial Th1, Th2 and inflammatory cytokines in nasal fluid samples of patients with nasal polyps (NP), and to correlate them to clinical, radiological findings and to the degree of eosinophil infiltration of polyp tissue. Therefore, in our study we compared the cytokine levels in nasal fluid of asthmatic and non-asthmatic patients with nasal polyposis, the eosinophil counts in NP tissues of these patients, and we correlated cytokine levels with eosinophil counts in NP tissue specimens. MATERIAL AND METHODS Thirty patients with nasal polyposis (NP) (15 asthmatic and 15 non-asthmatic) were included in this prospective study. Nasal secretion samples were collected from nasal cavities of all subjects. The levels of 11 cytokines (TNF-α, TNF-β, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12, and IFN-γ) were measured using commercial flow cytometric kit. Eosinophils were counted in haematoxylin-and-eosin-stained NP sections. RESULTS The concentrations of Th2 cytokines IL-5, IL-6, IL-10, and Th1 cytokine IFN-γ were significantly higher in patients with NP and asthma compared with non-asthmatic subjects. A positive correlation was found between IL-6 and TNF-α levels in nasal fluid and eosinophil counts in polyp tissue in non-asthmatic subjects. In asthmatic NP patients, we found positive correlation between level of IL-6 and eosinophil counts and negative correlation between IFN-γ level and number of eosinophils in NP tissue specimens. CONCLUSION Our results showed that these patients with similar clinical findings had significantly different mediator profiles in their nasal secretions, implying clear differences in pathogenesis of their NP.
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Immunomodulatory and Clinical Effects of Long-Term Low-Dose Macrolide Treatment of Chronic Rhinosinusitis with Nasal Polyposis. J Med Biochem 2011. [DOI: 10.2478/v10011-010-0043-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Immunomodulatory and Clinical Effects of Long-Term Low-Dose Macrolide Treatment of Chronic Rhinosinusitis with Nasal PolyposisImmunomodulatory treatment of chronic rhinosinusitis with nasal polyposis (CRSwNP) by macrolide antibiotics represents a challenging alternative to conventional therapy and surgery, still being at the very beginning. Immune and inflammatory processes in nasal and paranasal sinus mucosa, crucial in the etiopathogenesis of nasal polyps (NPs) are reflected in levels of various local mediators, found both in mucosa and nasal fluid. In this prospective study, we assessed the immunomodulatory and clinical effects of longterm low-dose oral macrolide treatment in the management of CRSwNP. Twenty-two (n = 22) nonasthmatic, nonallergic patients with CRSwNP were administered clarithromycin (CAM) 500 mg/day single oral dose for eight weeks. We measured the levels of proinflammatory cytokines TNF-α, TNF-β, and IL-1β, Th1 cytokines IL-2, IL-12, and IFN-γ, Th2 cytokines IL-4, IL-5, IL-6, and IL-10, and chemokine IL-8 in the nasal fluid samples, before and after treatment, using a flow cytometric method. We also scored each of the 22 patients before and after therapy according to Tsicopoulos' global nasal symptom score and Malm's endoscopic score. Following treatment, we found significantly reduced levels of IL-8 (p<0.01) and TNF-α (p<0.01) in nasal secretions. Macrolide therapy decreased the size of polyps in 45.45% of the patients. We concluded that long-term low-dose treatment with CAM was effective in the management of CRSwNP. We suggest that macrolides can be an alternative to topical and systemic corticosteroids in the management of CRSwNP.
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Peric A, Vojvodic D, Baletic N, Peric A, Miljanovic O. INFLUENCE OF ALLERGY ON THE IMMUNOMODULATORY AND CLINICAL EFFECTS OF LONG-TERM LOW-DOSE MACROLIDE TREATMENT OF NASAL POLYPOSIS. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2010; 154:327-33. [DOI: 10.5507/bp.2010.049] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Luo SF, Fang RY, Hsieh HL, Chi PL, Lin CC, Hsiao LD, Wu CC, Wang JS, Yang CM. Involvement of MAPKs and NF-kappaB in tumor necrosis factor alpha-induced vascular cell adhesion molecule 1 expression in human rheumatoid arthritis synovial fibroblasts. ACTA ACUST UNITED AC 2010; 62:105-16. [PMID: 20039412 DOI: 10.1002/art.25060] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To investigate the roles of MAPKs and NF-kappaB in tumor necrosis factor alpha (TNFalpha)-induced expression of vascular cell adhesion molecule 1 (VCAM-1) in human rheumatoid arthritis synovial fibroblasts (RASFs). METHODS Human RASFs were isolated from synovial tissue obtained from patients with RA who underwent knee or hip surgery. The involvement of MAPKs and NF-kappaB in TNFalpha-induced VCAM-1 expression was investigated using pharmacologic inhibitors and transfection with short hairpin RNA (shRNA) and measured using Western blot, reverse transcriptase-polymerase chain reaction, and gene promoter assay. NF-kappaB translocation was determined by Western blot and immunofluorescence staining. The functional activity of VCAM-1 was evaluated by lymphocyte adhesion assay. RESULTS TNFalpha-induced VCAM-1 expression, phosphorylation of p42/p44 MAPK, p38 MAPK, and JNK, and translocation of NF-kappaB were attenuated by the inhibitors of MEK-1/2 (U0126), p38 (SB202190), JNK (SP600125), and NF-kappaB (helenalin) or by transfection with their respective shRNA. TNFalpha-stimulated translocation of NF-kappaB into the nucleus and NF-kappaB promoter activity were blocked by Bay11-7082, but not by U0126, SB202190, or SP600125. VCAM-1 promoter activity was enhanced by TNFalpha in RASFs transfected with VCAM-1-Luc, and this promoter activity was inhibited by Bay11-7082, U0126, SB202190, and SP600125. Moreover, up-regulation of VCAM-1 increased the adhesion of lymphocytes to the RASF monolayer, and this adhesion was attenuated by pretreatment with helenalin, U0126, SP600125, or SB202190 prior to exposure to TNFalpha or by anti-VCAM-1 antibody before the addition of lymphocytes. CONCLUSION In RASFs, TNFalpha-induced VCAM-1 expression is mediated through activation of the p42/p44 MAPK, p38 MAPK, JNK, and NF-kappaB pathways. These results provide new insights into the mechanisms underlying cytokine-initiated joint inflammation in RA and may inspire new targeted therapeutic approaches.
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Affiliation(s)
- Shue-Fen Luo
- Chang Gung University, Chang Gung Memorial Hospital, Kwei-San, Tao-Yuan, Taiwan
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Abstract
Cytokine Profiles in Nasal Fluid in Patients with Nasal Polyps: A Flow Cytometric StudyBiological markers in nasal fluid provide valuable information on nasal pathophysiology. The aims of this study were to compare the cytokine profiles of nasal fluid in subjects with nasal polyps (NP) and co-morbid asthma and NP patients without asthma and to determine the role of these cytokines in the development of NP. Thirty patients with NP (15 asthmatic and 15 non asthmatic) were included in this prospective study. Nasal secretion samples were collected from nasal cavities of all 30 subjects. The levels of eleven cytokines (TNF-α, TNF-β, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12, and IFN-γ) were measured using flow cytometry. The concentrations of Th2 cytokines IL-5, IL-6 and IL-10 were significantly higher in patients with NP and asthma compared with subjects with NP without asthma. We also found significantly higher levels of IFN-α, IL-4, IL-6 and IL-10 in allergic patients with NP and asthma compared with those without asthma. In nonallergic patients with NP and asthma, the concentrations of TNF-α, IL-5 and IL-6 were significantly higher than in nonallergic patients with NP without asthma. Our results show that the presence of Th2 cytokines, especially IL-5 and IL-6 in patients with NP and asthma is a more prominent feature than in those without asthma that relates to the increased eosinophilic inflammation. We have also found a significant influence of allergy on the cytokine profiles both in asthmatic and nonasthmatic patients.
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Bernstein JM, Anon JB, Rontal M, Conroy J, Wang C, Sucheston L. Genetic polymorphisms in chronic hyperplastic sinusitis with nasal polyposis. Laryngoscope 2009; 119:1258-64. [PMID: 19405090 DOI: 10.1002/lary.20239] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVES/HYPOTHESIS Although many proinflammatory cytokines have been identified in nasal polyp tissue, the initial trigger that causes this inflammation characterized by edema, lymphocytosis, and eosinophilia, is still unknown. The purpose of the present study is to identify the presence of genetic polymorphisms in proinflammatory, anti-inflammatory, and chemokine genes that might contribute to genetic susceptibility to chronic hyperplastic sinusitis with nasal polyposis (CHSwNP). STUDY DESIGN Case control study. METHODS Buccal swabs were taken from the left and right oral mucosal surfaces from 179 patients with CHSwNP and 153 nonpolyposis controls with the Purgene DNA purification protocol (Gentra). Genotyping assays for cytokine gene loci were performed on 14 cytokine genes using the iPlex Gold and the Mass Array Compact system (Sequenom, San Diego, CA). Tests of Hardy-Weinberg equilibrium proportions were performed separately in the cases and controls. Tests for evidence of association between alleles at each single-nucleotide polymorphism (SNP) and case-control status were performed using unconditional logistic regression. RESULTS The frequency of the A allele in a SNP located in tumor necrosis factor (TNF)-alpha (rs1800629) is significantly different in patients with nasal polyposis versus controls without nasal polyposis, 18.6% and 11.5%, respectively with an individuals' odds of susceptibility to nasal polyps increasing almost two-fold (odds ratio, 1.86; confidence interval, 1.4-3.09) given at least one copy of the A allele at this SNP. All other cytokine gene polymorphisms of both inflammatory, anti-inflammatory, and chemokine genes were not statistically different between the two groups. CONCLUSIONS TNF-alpha-308, a SNP in the promoter region of this cytokine gene is associated with increased odds of developing nasal polyposis. TNF-alpha is a potent immuno-mediator and proinflammatory cytokine that has been implicated in the pathogenesis of a large number of human diseases. The location of this gene on the short arm of chromosome 6, with the major histocompatibility complex genes and complement, has raised the probability that polymorphism within this locus may contribute to a genetic association of this region of the genome with a wide variety of infectious and autoimmune diseases.
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Affiliation(s)
- Joel M Bernstein
- Department of Otolaryngology, School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, New York, USA.
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Becker SS. Surgical management of polyps in the treatment of nasal airway obstruction. Otolaryngol Clin North Am 2009; 42:377-85, x. [PMID: 19328899 DOI: 10.1016/j.otc.2009.01.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
In addition to their role in chronic rhinosinusitis and nasal congestion, sinonasal polyps are associated with significant nasal obstruction. Effective long-term treatments remain difficult to pinpoint. Management of these polyps is a difficult challenge for the contemporary otolaryngologist. Medical options vary and include topical and oral steroids; macrolide antibiotics; diuretic nasal washes; and intrapolyp steroid injection. Surgical options include polypectomy and functional endoscopic sinus surgery (FESS). In addition, novel treatments for polyps are introduced with some frequency. This article presents an overview of management options for sinonasal polyps, focusing on the indications, efficacy, and complications of the more common interventions.
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Affiliation(s)
- Samuel S Becker
- Becker Nose and Sinus Center, 2301 Evesham Road, Suite 404, Voorhees, NJ 08043, USA.
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Valera FCP, Queiroz R, Scrideli C, Tone LG, Anselmo-Lima WT. Expression of transcription factors NF-kappaB and AP-1 in nasal polyposis. Clin Exp Allergy 2008; 38:579-85. [PMID: 18352974 DOI: 10.1111/j.1365-2222.2007.02929.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The treatment and prognosis of nasal polyposis (NP) may be influenced by transcription factors, but their expression is poorly understood. OBJECTIVE To determine the expression of transcription factors [(nuclear factor-kappaB) NF-kappaB and (activator protein) AP-1], cytokines [IL-1beta, TNF-alpha and (granulocytes and macrophage colony-stimulating factor) GM-CSF], growth factor (b-FGF), chemokine (eotaxin-2) and adhesion molecule (ICAM-1) in NP in comparison with nasal mucosa controls. Methods Cross-sectional study. Twenty biopsies of nasal polyps were compared with eight middle turbinate biopsies. p65, c-Fos, IL-1beta, TNF-alpha, ICAM-1, b-FGF, eotaxin-2 and GM-CSF were analysed through RQ-PCR, and p65 and c-Fos were also analysed through Western blotting. RESULTS NF-kappaB expression was increased in patients with NP when compared with control mucosa (P<0.05), whereas AP-1 expression did not differ significantly between groups. Expressions of IL-1beta, eotaxin-2 and b-FGF were also increased in patients with NP compared with controls (P<0.05). CONCLUSIONS The transcription factor NF-kappaB is more expressed in NP than in control mucosa. This is important in NP because NF-kappaB can induce the transcription of cytokines, chemokines and adhesion molecules, which play an important role in the inflammatory process. Moreover, transcription factors influence the response to corticosteroids, which are the basis of NP treatment. Transcription factor AP-1 does not seem to have a significant role in the pathological process.
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Affiliation(s)
- F C P Valera
- Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.
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Becker SS, Duncavage JA. The role of steroid injection in the management of sinonasal polyps. Curr Opin Otolaryngol Head Neck Surg 2008; 16:38-43. [DOI: 10.1097/moo.0b013e3282f1c7d0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Quantification of the mRNA encoding Tumor Necrosis Factor alpha (TNFalpha) and its receptors in human nasal polyps. Adv Med Sci 2008; 53:263-9. [PMID: 19095579 DOI: 10.2478/v10039-008-0051-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE The object of the study was to assess the expression of the genes encoding TNFalpha and its receptors (TNF-R1 and TNF-R2) in patients with nasal polyps (NP). MATERIAL AND METHODS The number of the mRNA copies was assessed by QRT-PCR in RNA extracts from 16 eosinophilic (ENP) and 5 neutrophilic nasal polyps (NNP), and 9 normal mucosa (NM) samples. The expression of corresponding proteins was demonstrated using immunohistochemistry. RESULTS The mean level of mRNA copies for TNFalpha in ENP (82229c/microg) was not significantly higher when compared with controls (74869c/microg). NNP demonstrated significantly lower mean TNFalpha gene expression (7021c/microg) than the controls (p<0.05). A statistically higher mRNA TNFalpha copy number in ENP than in NNP was also revealed (p<0.01). A noticeably lower mRNA expression of TNF-R1 in ENP and NNP was seen as compared to the control group (10198c/microg vs. 30749c/microg, p<0.05 and 3440c/microg vs. 30749c/microg; p<0.05 respectively). In ENP the mean TNF-R2 mRNA copy number was markedly higher than in NNP (185c/microg vs. 7.6c/microg, p<0.05). TNF-R2 mRNA level did not differ significantly between ENP and the control group (185c/microg vs. 469c/microg). TNF-R1 expression was significantly higher than TNF-R2 at the mRNA (p<0.01) and protein (p<0.05) level both in ENP and NNP. No significant correlations in proteins expression were detected between ENP and NNP. CONCLUSIONS TNF-R1 has been identified to be a prevalent form of the TNFalpha receptor in nasal polyps which may reflect the apparent dominance of this form in TNFalpha signalling. The findings raise the possibility that the eosinophils from NP may influence biological responses through TNFalpha-dependent mechanisms. The differences between ENP and NNP relating to TNFalpha and the expression of its receptors may reflect the distinct character of those diseases.
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