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Pagliuca G, Clemenzi V, Martellucci S, Gazia F, Santarsiero S, Farina L, Stolfa A, Gallo A. Glycyrrhizin and Mannitol Nasal Therapy: Cytological and Clinical Outcomes in Chronic Rhinitis. Int Arch Otorhinolaryngol 2023; 27:e586-e592. [PMID: 37876682 PMCID: PMC10593527 DOI: 10.1055/s-0042-1758219] [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: 05/18/2022] [Accepted: 07/19/2022] [Indexed: 03/06/2023] Open
Abstract
Introduction Chronic rhinitis (CR) represents a widespread inflammation with a high incidence in the general population. Although it is generally considered a benign condition, CR has a relevant impact on quality of life and requires a specific treatment approach. Objective The aim of the present study was to investigate the efficacy of glycyrrhizin and mannitol intranasal treatment on chronic rhinitis using cytological analysis and subjective evaluation of symptoms. Methods A total of 55 patients suffering from chronic rhinitis were enrolled in the present study, 34 with allergic rhinitis (AR) and 21 with nonallergic rhinitis (NAR). The severity of four different nasal symptoms was determined by using a visual analogue scale (VAS). Specimens obtained by nasal scraping were collected for cytological analysis. Data were acquired before and after a 30-day treatment with glycyrrhizin and mannitol nasal spray. Statistical analyses were performed. Results The VAS scores for all four nasal symptoms considered in the present study, as well as for neutrophil cells, reduced significantly after therapy in both allergic and nonallergic patients. The number of eosinophils was not significantly lower in nonallergic patients. Conclusion A 30-day topical treatment with glycyrrhizin and mannitol may improve nasal symptoms and reduce inflammatory cells in the nasal mucosa in patients with chronic rhinitis without significant contraindications. Further studies could support our results and would better clarify all the aspects of this treatment.
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Affiliation(s)
- Giulio Pagliuca
- Otolaryngology University Unit, “S.M. Goretti Hospital”, Latina, Italy
| | - Veronica Clemenzi
- Department of Sensorial Organs, ENT Section, “Sapienza” University of Rome, Rome, Italy
| | | | - Francesco Gazia
- Department of Adult and Development Age Human Pathology “Gaetano Barresi”, Otorhinolaryngology Unit, Messina, Italy
| | - Sara Santarsiero
- Otorhinolaryngology Unit, Pediatric Hospital “Bambino Gesù”, Roma, Italy
| | - Luigi Farina
- Department of Sensorial Organs, ENT Section, “Sapienza” University of Rome, Rome, Italy
| | - Andrea Stolfa
- Department of Sensorial Organs, ENT Section, “Sapienza” University of Rome, Rome, Italy
| | - Andrea Gallo
- Department of Sensorial Organs, ENT Section, “Sapienza” University of Rome, Rome, Italy
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Ciprandi G, Colavita L, Cuppari C, Tosca MA. HMGB1 modulation in children with allergic rhinitis. Minerva Pediatr (Torino) 2023; 75:127-128. [PMID: 33203203 DOI: 10.23736/s2724-5276.20.05906-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
| | - Laura Colavita
- Unit of Pediatric Emergency, Department of Adult and Childhood Human Pathology, University Hospital of Messina, Messina, Italy
| | - Caterina Cuppari
- Unit of Pediatric Emergency, Department of Adult and Childhood Human Pathology, University Hospital of Messina, Messina, Italy
| | - Maria A Tosca
- Allergy Center, Giannina Gaslini Institute, Genoa, Italy
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Luo C, Wang Y, He B, He Y, Yan Y, Wang J, Gu X. Exploring the Core Prescription and Underlying Mechanism of Traditional Chinese Medicine in Treating Allergic Rhinitis in Children: A Real- World Study Based on an Illustrious Senior Traditional Chinese Medicine Practitioner. Comb Chem High Throughput Screen 2023; 26:207-223. [PMID: 35388748 DOI: 10.2174/1386207325666220406105633] [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: 08/26/2021] [Revised: 12/09/2021] [Accepted: 01/17/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Traditional Chinese medicine (TCM) is widely used to treat allergic rhinitis (AR) in China, especially in children. However, due to the complicated composition rules and unclear underlying mechanisms, effective herbal prescriptions' popularization and application are limited. PURPOSE This study tried to detect the core prescription of herbs in treating AR in children, reveal its mechanism based on the ingredients' network, and explore the main signaling pathways. METHODS We screened medical records of children patients with AR who were treated by TCM in DongZhiMen Hospital from Aug 2009 to Jan 2020 and adopted a descriptive analysis method on herbal characteristics. We used association rules to mine core prescriptions and used network pharmacology to establish the ingredient-target-pathway network through online databases and TCMSP, Genecards, KEGG pathway, Excel, R-Studio, and Cytoscape software. RESULTS The analysis of 1,092 clinical visits highlighted that the principle of formulating prescription was as follows: 'pungent and warm herbs were used more frequently while cold-natured herbs were paid equal attention as warm-natured herbs.' The core prescription was formed by FangFeng, BaiZhi, CangErzi, and ChanTui. These herbs covered 130 underlying targets and 141 signaling pathways of AR, which mainly had an effect on signal transduction and immunoregulation. CONCLUSION The core prescription based on these real-world clinical records includes FangFeng, BaiZhi, CangErzi, and ChanTui. It principally acts on targets of signal transduction pathways and immune pathways.
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Affiliation(s)
- Changyong Luo
- Beijing University of Traditional Chinese Medicine, Beijing, China
- Dongfang Hospital of Beijing University of Traditional Chinese Medicine, Beijing, China
| | - Yuhan Wang
- Beijing University of Traditional Chinese Medicine, Beijing, China
| | - Bing He
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Yu He
- Beijing University of Traditional Chinese Medicine, Beijing, China
| | - Yurou Yan
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Junhong Wang
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohong Gu
- Beijing University of Traditional Chinese Medicine, Beijing, China
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Ciprandi G, Bellussi LM, Passali GC, Damiani V, Passali D. HMGB1 in nasal inflammatory diseases: a reappraisal 30 years after its discovery. Expert Rev Clin Immunol 2020; 16:457-463. [PMID: 32252560 DOI: 10.1080/1744666x.2020.1752668] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
| | | | | | - Valerio Damiani
- Medical Department, Drugs Minerals and Generics, Pomezia, Italy
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Ciprandi G, Tosca MA, Gallo F, Passali GC, Ameli F. Turbinate hypertrophy in children with allergic rhinitis: clinical relevance. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:43-47. [PMID: 32073560 PMCID: PMC7947744 DOI: 10.23750/abm.v91i1-s.9254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 02/01/2020] [Indexed: 11/23/2022]
Abstract
Allergic rhinitis (AR) is the most common immune-mediated disorder in childhood as it may affect up to 40% of children. Turbinate hypertrophy (TH) is an important sign as reliably predicts AR both in children and adults. Consistently, nasal obstruction is a very common symptom in AR patients and is closely linked with turbinate hypertrophy. This study investigated 544 (304 males) children with AR to define factors associated with TH. TH was diagnosed in 438 (80.81%) AR children. The multivariate analysis demonstrated a significant association between age, male gender, and recurrent acute otitis media (RAOM), and TH (p-values: 0.0219, <0.0001, and 0.0003, respectively; OR 0.87, 3.97, and 0.22 respectively). In conclusion, this real-life study showed that TH was very frequent in children with AR and age, male gender, and RAOM were significantly associated with TH.
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Affiliation(s)
| | | | - Fabio Gallo
- Health Sciences Department, Genoa University, Genoa, Italy.
| | | | - Franco Ameli
- Otorhinolaryngology Unit, Casa di Cura Villa Montallegro Health, Genoa, Italy.
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Passali D, Bellussi LM, Damiani V, Tosca MA, Motta G, Ciprandi G. Chronic rhinosinusitis with nasal polyposis: the role of personalized and integrated medicine. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:11-18. [PMID: 32073556 PMCID: PMC7947745 DOI: 10.23750/abm.v91i1-s.9243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Indexed: 02/06/2023]
Abstract
Chronic rhinosinusitis with nasal polyposis (CRSwNP) is a frequent disorder. From a clinical and an immunopathological point of view, different phenotypes and endotypes have been identified. The frequent comorbidity with asthma allowed to pave the way to the use of biological agents for the treatment of CRSwNP. Biological agents are targeted to antagonize IgE, interleukin (IL) 4, IL-5, and IL-13 at present. However, a correct and appropriate workup is mandatory, mainly concerning the exact definition of the specific pheno-endotype. The preliminary outcomes are promising, even though there is a need for well-established indications, criteria of responsiveness, duration, and safety. On the other hand, this personalized medicine could be fruitfully integrated with gold-standard medications, such as intranasal corticosteroids. As CRSwNP is a chronic disorder, treatment should be long-lasting, so complementary anti-inflammatory treatments could be opportunely integrated and/or alternated to steroids. (www.actabiomedica.it)
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Affiliation(s)
| | | | | | | | - Gaetano Motta
- ENT Department, University Luigi Vanvitelli, Naples, Italy.
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Gariuc L, Sandul A, Rusu D, Passali D, Bellussi LM, Damiani V, Ciprandi G. A comparison between mometasone furoate nasal spray and intranasal glycyrrhetic acid in patients with allergic rhinitis: a preliminary study in clinical practice. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:65-72. [PMID: 32073564 PMCID: PMC7947735 DOI: 10.23750/abm.v91i1-s.9229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Indexed: 11/23/2022]
Abstract
Allergic rhinitis (AR) is caused by an IgE-mediated inflammatory reaction consequent to the exposure to the causal allergen. Glycyrrhetic acid (GlyAc) is a natural compound extracted from the liquorice that exerts anti-inflammatory activity. This real-life study compared intranasal GlyAc, present in a medical device containing also glycerol and mannitol, with mometasone furoate nasal spray (MFNS) in 50 adult outpatients with AR. Both treatments lasted 2 months. Endoscopic signs, perception of symptom severity, assessed by VAS, and nasal function measured by rhinomanometry were evaluated at baseline (T0), after one (T1) and two (T2) months. The intergroup analysis showed that at T1 there was no significant difference between groups about the use of decongestants and antihistamines, turbinate hypertrophy and pale mucosa, perception of olfaction and snoring. At T2 there was no significant difference between groups about use of relievers, all endoscopic signs, and perception of nasal discomfort, nasal obstruction, olfaction, and snoring. The intragroup analysis showed that in MFNS group there was a significant change during the entire period of treatment for all parameters except watery rhinorrhea (sign) and ocular discomfort; in GlyAc group there was a significant change during the entire period of treatment for all parameters. In conclusion, this preliminary study, conducted in clinical practice, evidenced that intranasal CysAC plus mannitol was able to significantly improve nasal endoscopic signs, perception of symptoms, and nasal function in patients with AR. Therefore, GlyAc could be a reasonable therapeutic option to control allergic inflammation. (www.actabiomedica.it)
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Affiliation(s)
- Lucia Gariuc
- Clinical Republican Hospital, Chisinau, Republic of Moldova.
| | | | - Daniela Rusu
- Clinical Republican Hospital, Chisinau, Republic of Moldova.
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Varricchio A, La Mantia I, Brunese FP, Ciprandi G. Inflammation, infection, and allergy of upper airways: new insights from national and real-world studies. Ital J Pediatr 2020; 46:18. [PMID: 32039733 PMCID: PMC7008537 DOI: 10.1186/s13052-020-0782-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 01/29/2020] [Indexed: 12/24/2022] Open
Abstract
The upper airways (UA) should be considered as a functional unit. Current functional anatomy divides URT in three, mutually dependent, "junction boxes": i) the ostio-meatal complex (OMC), ii) the spheno-ethmoidal recess (SER), and iii) the rhinopharynx (RP). Correct ventilation and effective mucociliary clearance of these sites significantly affect the healthy physiology of the entire respiratory system. The OMC, SER, and RP obstruction is the first pathogenic step in the inflammatory/infectious cascade of UA disorders. The inflammation of the respiratory mucosa is the main pathogenic factor for airway obstruction. Moreover, bacterial biofilm (a strategy modality of bacterial survival) is an important local cause of systemic antibiotic ineffectiveness, recurrent infections, and antibiotic resistance. Health microbiota guarantees UA wellness; on the contrary, dysbiosis promotes and worsens UA infections. Allergy, namely type 2 inflammation, is a common cause of UA obstruction such as promoting in turn infections. Fiberoptic endoscopy is a mandatory diagnostic tool in clinical practice. Nasal cytology, mainly concerning flow cytometry, allows defining rhinitis phenotypes so allowing a precision medicine approach. Several conventional therapeutic approaches are available, but efficacy and safety should be ever properly considered before the prescription. Also, complementary medicine plays a fruitful role in the management of UA diseases. National and real-world studies are reported and discussed as they may be useful in daily clinical practice.
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Affiliation(s)
- Attilio Varricchio
- UOSD Video-Endoscopia delle VAS, P.O. San Gennaro - ASL Napoli 1-centro, Naples, Italy
| | | | | | - Giorgio Ciprandi
- Allergy Clinic, Casa di Cura Villa Montallegro, Via Boselli 5, 16146, Genoa, Italy.
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Fouladi S, Masjedi M, G. Hakemi M, Ghasemi R, Eskandari N. Correlation of OX40 ligand on B cells with serum total IgE and IL-4 levels by CD4 + T cells in allergic rhinitis. Allergol Immunopathol (Madr) 2019; 47:234-240. [PMID: 30454861 DOI: 10.1016/j.aller.2018.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/07/2018] [Accepted: 07/19/2018] [Indexed: 02/08/2023]
Abstract
INTRODUCTION AND OBJECTIVES Allergic rhinitis (AR) is a classic Th2-mediated disease, with important contributions to the pathology of interleukins 4, 5, and 13. The co-stimulatory molecule of OX40 and its ligand interaction participate in the immune response by regulation of Th1/Th2 cells balance. Considering the paucity of information on the relation between OX40 ligand (OX40L) and AR, this study aimed to examine its expression on B lymphocytes. PATIENTS AND METHODS This case-control study consisted of 20 AR patients and 20 healthy subjects. The serum level of total immunoglobulin E (IgE) was measured using the electro-chemiluminescence (ECL) technology. The percentage of B-lymphocytes expressing OX40L was assessed by flow cytometry. The amounts of IL-4 in CD4+ T cells culture supernatant was also measured by the enzyme-linked immunosorbent assay (ELISA). RESULTS OX40L expression on B lymphocytes of patients was significantly higher than the control group (44.32±19.21% vs. 2.79±2.48% respectively, p<0.001). In AR patients, OX40L expression correlated positively with the levels of serum total IgE and IL-4 produced by CD4+ T lymphocytes (p<0.01 - p<0.05) respectively. CONCLUSIONS Collectively, the findings of this work suggest that there is a relationship between the OX40L expression level on B lymphocytes and allergic markers such as IgE and IL-4 in patients with allergic rhinitis.
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Fouladi S, Masjedi M, Ghasemi R, G Hakemi M, Eskandari N. The In Vitro Impact of Glycyrrhizic Acid on CD4+ T Lymphocytes through OX40 Receptor in the Patients with Allergic Rhinitis. Inflammation 2019; 41:1690-1701. [PMID: 30003405 DOI: 10.1007/s10753-018-0813-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Glycyrrhizic acid (GA), the major bioactive component of glycyrrhiza, possesses anti-inflammatory, anti-allergic, and immunomodulatory activities. This study aimed to investigate the in vitro anti-allergic effect of GA through the OX40 receptor in patients with allergic rhinitis. Purified naive CD4+ T cells of patients with allergic rhinitis (n = 12) were activated with anti-CD3/anti-CD28 with and without anti-OX40 agonist mAbs and then treated with 50, 100, and 200 μM GA and 0.1 μM dexamethasone. Cells were incubated (72 h) to measure cell proliferation. Expression of OX40 in anti-OX40 mAb stimulated CD4+ T cells was evaluated by flow cytometry. mRNA expression of the OX40 receptor and T-bet, GATA-3, and forkhead box P3 (FoxP3) transcriptional factors were measured by a quantitative polymerase chain reaction. The levels of interleukin (IL)-4, IL-10, and interferon-γ (IFN-γ) were also measured. GA inhibited significantly the augmented T cell proliferation induced with anti-OX40 mAb. Protein and gene expression of OX40 was also decreased significantly. Dexamethasone and GA inhibited T-bet and GATA-3 genes expression, but this inhibition was only significant for GATA-3. In contrast, enhanced gene expression of FoxP3 was seen using 200 μM GA and dexamethasone. The levels of IL-4, IL-10, and IFN-γ decreased after treatment with both dexamethasone and GA, but the ratio of IFN-γ/IL-4 (Th1/Th2 balance) increased significantly due to 200 μM GA treatment. This study suggests that GA may have a therapeutic effect on allergic rhinitis, partly by modulation of the Th1/Th2 balance through suppression of OX40 and increasing the activity of regulatory T cells.
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Affiliation(s)
- Saloomeh Fouladi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Masjedi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ramin Ghasemi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mazdak G Hakemi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nahid Eskandari
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran. .,Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Dziekanski M, Marcelino TDF. Quality of Life in Pediatric Patients with Allergic Rhinitis treated at the Medical Clinic of Integrated Education - Unisul. Int Arch Otorhinolaryngol 2017; 21:371-376. [PMID: 29018501 PMCID: PMC5629077 DOI: 10.1055/s-0037-1599095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 01/06/2017] [Indexed: 01/17/2023] Open
Abstract
Introduction Allergic rhinitis is a common disease among children and adolescents, reaching up to 40% of the population. During childhood, it is usually underdiagnosed because it has nonspecific symptoms. It has a negative impact on quality of life and may predispose to comorbidities. The diagnosis is clinical and treatment aims prevention. Objective The objective of this study is to evaluate the quality of life in pediatric patients with allergic rhinitis. Methods This is an observational study with cross-sectional design. The population consisted of pediatric patients with allergic rhinitis treated at the Medical Clinic of Integrated Education (MCIE) - Universidade do Sul de Santa Catarina - Unisul, Tubarão, SC, Brazil. We collected data from March to June 2016 through the application of the Sociodemographic and Health Questionnaire, rhinitis module of the International Study of Asthma and Allergies in Childhood Questionnaire and the Rhinoconjunctivitis Quality of Life Questionnaire Modified. Results Out of the 69 respondents, 52.2% were boys with a mean age of 10.13 years old. The predominant education level of parents/guardians was incomplete second grade and average income level was two minimum wages. 81.2% said they had previous treatment for AR, 30.4% had asthma and 7.2% eczema. Incidence of patients smoking was absent and family (parents/guardians) smoking was 17.4%. March to July were the months of highest symptom occurrence, slightly disturbing daily activities. The mean value of severity was 51.9, nasal symptoms were the most uncomfortable, and nasal itchiness was the most cited. Conclusion Our results highlight that allergic symptoms negatively impact the life of people with allergic rhinitis, with a predominance of nasal symptoms, especially nasal itchy, representing a poor quality of life of the interviewed.
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Affiliation(s)
- Mariana Dziekanski
- Medical School, Campus Tubarão Ringgold Standard Institution, Universidade do Sul de Santa Catarina - Unisul, Tubarão, SC, Brazil
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Bellussi LM, Cocca S, Passali GC, Passali D. HMGB1 in the Pathogenesis of Nasal Inflammatory Diseases and its Inhibition as New Therapeutic Approach: A Review from the Literature. Int Arch Otorhinolaryngol 2017; 21:390-398. [PMID: 29018504 PMCID: PMC5629088 DOI: 10.1055/s-0036-1597665] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 10/31/2016] [Indexed: 11/10/2022] Open
Abstract
Introduction
This study is a systematic review on recent developments about the importance of HMGB1 protein in the pathogenesis of rhino-sinusal inflammatory diseases. We also report data on the use of 18-β-glycyrrhetic acid (GA), which has been shown able to inhibit the pro-inflammatory activities of HMGB1, in young patients affected by allergic rhinitis and complaining of nasal obstruction as main symptom.
Objectives
The objective of this study was to review the literature to demonstrate the importance of HMGB1 in the pathogenesis of nasal inflammatory disorders and understand whether the inhibition of this protein may be an efficacious and innovative therapeutic strategy for patients with rhino-sinusal inflammation.
Data Synthesis
Authors searched for pertinent articles indexed in PubMed, Scopus, and other health journals between 2004 and 2015.
In total, the authors gathered 258 articles: 219 articles through Pubmed and 39 articles from other search engines. The search terms used were as follows: HMGB1 AND “respiratory epithelium,” “airway inflammation,” “rhinitis,” “allergic rhinitis,” “rhinosinusitis,” “nasal polyposis,” “glycyrrhetic acid,” “children.” Conclusions
Patients with severe symptoms have the highest serum levels and the highest extracellular expression of HMGB1. GA inhibits HMGB1 chemotactic and mitogenic function by a scavenger mechanism on extracellular HMGB1 accumulation stimulated by lipopolysaccharides in vitro. Treatment of allergic rhinitis with GA is not associated with local or systemic side effects in children and adults.
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Affiliation(s)
| | - Serena Cocca
- ENT Department, University of Siena, Siena, Italy
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Bellussi LM, Cocca S, Chen L, Passali FM, Sarafoleanu C, Passali D. Rhinosinusal Inflammation and High Mobility Group Box 1 Protein: A New Target for Therapy. ORL J Otorhinolaryngol Relat Spec 2016; 78:77-85. [PMID: 26966912 DOI: 10.1159/000443481] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS High mobility group box 1 (HMGB1) is a protein belonging to the class of damage-associated molecular pattern molecules, which activates innate immunity and powerful inflammatory factors. The aim of this review is to show the importance of HMGB1 in the pathogenesis of nasal inflammatory diseases and to suggest that inhibition of HMGB1 may be an innovative therapeutic target. METHODS We used immunohistochemistry to study whether HMGB1 increases in chronic rhinosinusitis with nasal polyps and whether its expression is associated with eosinophils and inflammatory cytokines. Using primary cultures of human nasal epithelial cells, we localised lipopolysaccharide-induced active translocation and release of HMGB1 by immunofluorescence assay and Western blot. RESULTS Patients with severe symptoms have the highest HMGB1 serum levels. Glycyrrhetic acid inhibits the chemotactic and mitogenic function of HMGB1, binding to the hydrophobic residues that delimit the pockets in box A and B. CONCLUSIONS Chronic inflammatory diseases of the nose and paranasal sinuses are increasingly prevalent and are a financial burden for society. HMGB1 has been shown to play a role in several inflammatory diseases of otolaryngological interest. The inhibition of HMGB1 may be an innovative therapeutic target for patients with chronic upper airway inflammatory diseases having nasal obstruction as a major symptom.
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Affiliation(s)
- Luisa Maria Bellussi
- ENT Section, Department of Medical-Surgical Sciences and Neurosciences, University of Siena, Siena, Italy
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