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Pei J, Ding Z, Jiao C, Tao Y, Yang H, Li J. Autophagy in chronic rhinosinusitis with or without nasal polyps. Front Cell Dev Biol 2024; 12:1417735. [PMID: 38933334 PMCID: PMC11199408 DOI: 10.3389/fcell.2024.1417735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 05/13/2024] [Indexed: 06/28/2024] Open
Abstract
Basic research on chronic rhinosinusitis (CRS) has advanced significantly in the past two decades, yet a comprehensive understanding of its pathogenic mechanisms remains elusive. Concurrently, there is a growing interest among scientists in exploring the involvement of autophagy in various human diseases, including tumors and inflammatory conditions. While the role of autophagy in asthma has been extensively studied in airway inflammatory diseases, its significance in CRS with or without nasal polyps (NPs), a condition closely linked to asthma pathophysiology, has also garnered attention, albeit with conflicting findings across studies. This review delves into the role of autophagy in CRS, suggesting that modulating autophagy to regulate inflammatory responses could potentially serve as a novel therapeutic target.
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Affiliation(s)
- Jing Pei
- Department of Otolaryngology, Head and Neck Surgery, The Affiliated Jiangning Hospital With Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zhaoran Ding
- Department of Otolaryngology, Head and Neck Surgery, The Affiliated Jiangning Hospital With Nanjing Medical University, Nanjing, Jiangsu, China
| | - Cheng Jiao
- Department of Otorhinolaryngology Head and Neck Surgery, Northern Jiangsu People’s Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Ying Tao
- Department of Blood Purification Center, Northern Jiangsu People’s Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, China
| | - Huifen Yang
- Department of Otolaryngology, Head and Neck Surgery, The Affiliated Jiangning Hospital With Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jing Li
- Department of Otolaryngology, Head and Neck Surgery, The Affiliated Jiangning Hospital With Nanjing Medical University, Nanjing, Jiangsu, China
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Zhong N, Ai H, Zhong W, Huang X, Wang K, Luo Q, Yu J. Effects of Pendrin Protein in Nasal Epithelial Cells on Mucin Production in the Context of Type 2 Inflammation. J Pers Med 2023; 13:jpm13030502. [PMID: 36983684 PMCID: PMC10058371 DOI: 10.3390/jpm13030502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/27/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
Background: Chronic rhinosinusitis (CRS) is a heterogeneous disease. The pathogenesis of chronic sinusitis is still unclear; however, the nasal cavity and paranasal sinuses are commonly affected by type 2 inflammation, which is caused by Th2 cytokines such as interleukin (IL)-5, IL-4, and IL-13. Previous studies have shown that pendrin promotes local infiltration of neutrophils through the production of human neutrophil elastase (HNE), which is essential for the secretion of mucin 5AC (MUC5AC) in chronic inflammatory diseases of the lower respiratory tract. This study investigated pendrin expression and its relationship to mucin in type 2 inflammation. Methods: A total of 40 patients (10 CRS patients with nasal polyps,10 CRS patients without nasal polyps, and 20 nasal septum deviation patients) were included in this study and were divided into the CRS group and the NC group. A normal nasal mucosa tissue culture model was established in vitro. IL-13 was used to stimulate primary cultures of human nasal epithelial cells (HNECs). Western blot (WB), enzyme-linked immunosorbent assay (ELISA), and quantitative real-time polymerase chain reaction (qRT-PCR) were used to detect the expression of pendrin, MUC5AC, and MUC5B. After transfecting HNECs with siRNA pendrin or negative control (NC), EGF receptor (EGFR), HNE, MUC5AC, and MUC5B expression were analyzed using qRT-PCR, WB, or ELISA in terms of their relationships with pendrin. Pendrin expression in the tissue was also analyzed. Results: After IL-13 stimulation, pendrin, MUC5AC, and MUC5B expression levels were upregulated; the optimal concentration of IL-13 was 50 ng/mL. The expression levels of HNE, EGFR, MUC5AC, and MUC5B were downregulated after transfection with siRNA pendrin-1650. Pendrin expression in the NC group was lower than in the CRS group. Conclusion: IL-13 is implicated in the inflammation of nasal mucosa, and pendrin is closely related to the excessive secretion of mucin. The expression of mucin is downregulated after transfection with siRNA pendrin. There is a positive relationship between pendrin and EFGR/HNE. Moreover, pendrin plays an important role in type 2 inflammation.
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Affiliation(s)
- Nongping Zhong
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Honghui Ai
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Wei Zhong
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Xiaoyan Huang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Kai Wang
- Department of Otorhinolaryngology, The 908th Hospital of Chinese People’s Liberation Army Joint Logistic Support Force, Nanchang 330006, China
| | - Qing Luo
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
- Correspondence: (Q.L.); (J.Y.)
| | - Jieqing Yu
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
- Department of Allergy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
- Jiangxi Otorhinolaryngology Head and Neck Surgery Institute, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
- Correspondence: (Q.L.); (J.Y.)
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Bandi S, Stephen E, Bansal K, Mahdavinia M. Understanding the CRSwNP Patient as Whole. Am J Rhinol Allergy 2023; 37:140-146. [PMID: 36848278 DOI: 10.1177/19458924231152671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
BACKGROUND Chronic rhinosinusitis with nasal polyps (CRSwNP) is a distinct inflammatory disease of the upper airways with a significant impact on the health and quality of life of affected patients. Several comorbid conditions such as allergic rhinitis, asthma, sleep disorders, and gastroesophageal reflux disease are commonly reported in patients with CRSwNP. OBJECTIVE In this article, we intended to review the UpToDate information on how these comorbidities can impact CRSwNP patients' health and well-being. METHODS A PUBMED search was performed to review relevant recent article on the topic. RESULTS While there have been significant advances in the knowledge and management options for CRSwNP in the past few years, additional studies are needed to understand the underlying pathophysiologic mechanisms of these associations. In addition, awareness of the impact of CRSwNP on mental health, quality of life, and cognition is paramount to treating this condition. CONCLUSION Recognition and addressing CRSwNP comorbidities such as allergic rhinitis, asthma, sleep disorders, gastroesophageal reflux disease, and cognitive function impairment are important to optimally understand and manage the patient with CRSwNP as a whole.
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Affiliation(s)
- Sindhura Bandi
- Division of Allergy/Immunology, Department of Internal Medicine, 2468Rush University Medical Center, Chicago, Illinois
| | - Ellen Stephen
- Division of Allergy/Immunology, Department of Internal Medicine, 2468Rush University Medical Center, Chicago, Illinois
| | - Keerthi Bansal
- Division of Allergy/Immunology, Department of Internal Medicine, 2468Rush University Medical Center, Chicago, Illinois
| | - Mahboobeh Mahdavinia
- Division of Allergy/Immunology, Department of Internal Medicine, 2468Rush University Medical Center, Chicago, Illinois
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Delemarre T, Bachert C. Neutrophilic inflammation in chronic rhinosinusitis. Curr Opin Allergy Clin Immunol 2023; 23:14-21. [PMID: 36539379 DOI: 10.1097/aci.0000000000000868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
PURPOSE OF REVIEW Over the last years, extensive research has been done on neutrophils and their contribution in chronic rhinosinusitis (CRS), and made it clear that they are more than just a bystander in this disease. In this article, we will review all recent publications on this topic and look to what the future hold regarding therapeutics targeting the neutrophilic inflammation in CRS. RECENT FINDINGS Evidence is growing that the presence of neutrophils are associated with a worse disease outcome in certain CRS patient groups. They are highly activated in type 2 inflammations and exhibit damaging properties through their proteases, contributing to the chronicity of the disease. Several recent studies identified useful biomarkers and targets for future therapeutics. SUMMARY The findings we review in this manuscript are of utmost importance in unraveling the complexity of CRS and provide us with the necessary knowledge for future clinical practices.
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Affiliation(s)
- Tim Delemarre
- Upper Airways Research Laboratory, Faculty of Medicine, Ghent University, Ghent, Belgium
| | - Claus Bachert
- Upper Airways Research Laboratory, Faculty of Medicine, Ghent University, Ghent, Belgium
- Division of ENT Diseases, CLINTEC, Karolinska Institute, Stockholm, Sweden
- First Affiliated Hospital, Sun Yat-Sen University, International Airway Research Center, Guangzhou, China
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He Y, Fu Y, Wu Y, Zhu T, Li H. Pathogenesis and treatment of chronic rhinosinusitis from the perspective of sinonasal epithelial dysfunction. Front Med (Lausanne) 2023; 10:1139240. [PMID: 37138733 PMCID: PMC10149833 DOI: 10.3389/fmed.2023.1139240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/13/2023] [Indexed: 05/05/2023] Open
Abstract
Background Chronic rhinosinusitis (CRS) is a clinical syndrome primarily characterized by long-term mucosal inflammation of the nasal cavity and sinuses. The pathogenesis of CRS is still unclear due to its high heterogeneity. A number of studies have recently focused on the sinonasal epithelium. Thus, there has been a quantum leap in awareness of the role of the sinonasal epithelium, which is now understood as an active functional organ rather than simply an inert mechanical barrier. Undoubtedly, epithelial dysfunction plays a vital role in the onset and development of CRS. Objective In this article, we discuss the potential contribution of sinonasal epithelium dysfunction to CRS pathogenesis and explore a few current and developing therapeutic options targeting the sinonasal epithelium. Results Impaired mucociliary clearance (MCC) and an abnormal sinonasal epithelial barrier are usually considered to be the main causative factors in CRS. Epithelial-derived bioactive substances, such as cytokines, exosomes, and complements, play a vital role in the regulation of innate and adaptive immunity and contribute to the pathophysiological alterations of CRS. The phenomena of epithelial-mesenchymal transition (EMT), mucosal remodeling, and autophagy observed in CRS offer some novel insights into the pathogenesis of this disease. In addition, existing treatment options targeting disorder of sinonasal epithelium can help to relieve the main symptoms associated with CRS to some extent. Conclusion The presence of a normal epithelium is fundamental for maintaining homeostasis in the nasal and paranasal sinuses. Here, we describe various aspects of the sinonasal epithelium and highlight the contributions of epithelial dysfunction to CRS pathogenesis. Our review provides sound evidence of the need for in-depth study of the pathophysiological alterations of this disease and for the development of novel epithelium-targeting alternative treatments.
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Affiliation(s)
- Yuanqiong He
- School of Heath Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yijie Fu
- School of Preclinical Medicine, Chengdu University, Chengdu, China
| | - Yuqi Wu
- School of Heath Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Tianmin Zhu
- School of Heath Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hui Li
- School of Preclinical Medicine, Chengdu University, Chengdu, China
- *Correspondence: Hui Li
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Illing EA. Finding Professional Engagement and Connection Through Scholarly Activity. Am J Rhinol Allergy 2022; 36:705-707. [DOI: 10.1177/19458924221129698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Elisa A. Illing
- Director, Division of Rhinology and Skull Base Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Assistant Professor, Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
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