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Liu Y, Gao J, Xu Q, Wang X, Zhong W, Wu F, Lin X, Zhang Q, Ye Q. Long non-coding RNA NEAT1 exacerbates NLRP3-mediated pyroptosis in allergic rhinitis through regulating the PTBP1/FOXP1 cascade. Int Immunopharmacol 2024; 137:112337. [PMID: 38861915 DOI: 10.1016/j.intimp.2024.112337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND Allergic Rhinitis (AR) is a prevalent chronic non-infectious inflammation affecting the nasal mucosa. NLRP3-mediated pyroptosis of epithelial cells plays a pivotal role in AR pathogenesis. Herein, we evaluated the impact of the long non-coding RNA nuclear paraspeckle assembly transcript 1 (lncRNA NEAT1) on NLR family pyrin domain containing 3 (NLRP3)-mediated pyroptosis in AR. METHODS Nasal inflammation levels in ovalbumin (OVA)-induced AR mice were assessed using HE staining, and NLRP3 expression was evaluated through immunohistochemistry. ELISA was utilized to detect OVA-specific IgE, IL-6, IL-5, and inflammatory cytokines (IL-1β, IL-18). Human nasal epithelial cells (HNEpCs) stimulated with IL4/IL13 were used to analyze the mRNA and protein levels of associated genes utilizing RT-qPCR and western blot, respectively. Cell viability and pyroptosis were assessed by CCK-8 and flow cytometry. The targeting relationship between NEAT1, PTBP1 and FOXP1 were analyzed by RIP and RNA pull down assays. FISH and IF analysis were performed to assess the co-localization of NEAT1 and PTBP1. RESULTS In both the AR mouse and cellular models, increased levels of NEAT1, PTBP1 and FOXP1 were observed. AR mice exhibited elevated inflammatory infiltration and pyroptosis, evidenced by enhanced expressions of OVA-specific IgE, IL-6, and IL-5, NLRP3, Cleaved-caspase 1, GSDMD-N, IL-1β and IL-18. Functional assays revealed that knockdown of PTBP1 or NEAT1 inhibited pyroptosis while promoting the proliferation of IL4/IL13-treated HNEpCs. Mechanistically, NEAT1 directly interacted with PTBP1, thereby maintaining FOXP1 mRNA stability. Rescue assays demonstrated that FOXP1 upregulation reversed the inhibitory effects of silencing NEAT1 or PTBP1 on IL4/IL13-stimulated pyroptosis activation in HNEpCs. CONCLUSION NEAT1 acts as a RNA scaffold for PTBP1, activating the PTBP1/FOXP1 signaling cascade, subsequently triggering NLRP3-mediated pyroptosis in HNEpCs, and ultimately promoting AR progression. These findings highlight some new insights into the pathogenesis of AR.
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MESH Headings
- Animals
- NLR Family, Pyrin Domain-Containing 3 Protein/metabolism
- NLR Family, Pyrin Domain-Containing 3 Protein/genetics
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- Pyroptosis
- Rhinitis, Allergic/immunology
- Rhinitis, Allergic/pathology
- Rhinitis, Allergic/genetics
- Rhinitis, Allergic/metabolism
- Humans
- Mice
- Forkhead Transcription Factors/metabolism
- Forkhead Transcription Factors/genetics
- Nasal Mucosa/immunology
- Nasal Mucosa/pathology
- Nasal Mucosa/metabolism
- Mice, Inbred BALB C
- Ovalbumin/immunology
- Heterogeneous-Nuclear Ribonucleoproteins/metabolism
- Heterogeneous-Nuclear Ribonucleoproteins/genetics
- Signal Transduction
- Disease Models, Animal
- Female
- Cytokines/metabolism
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Affiliation(s)
- Yunliang Liu
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China; Department of Otolaryngology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou 350001, Fujian Province, PR China; Department of Otolaryngology, Fujian Children's Hospital, Fuzhou 350000, Fujian Province, PR China
| | - Jing Gao
- Health Medicine Department, The 900th Hospital of Chinese PLA Joint Logistics Support Force, Fuzhou 350025, Fujian Province, PR China
| | - Qingqing Xu
- Department of Otolaryngology, Fujian Children's Hospital, Fuzhou 350000, Fujian Province, PR China
| | - Xiaoyan Wang
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China; Department of Otorhinolaryngology-Head & Neck Surgery, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
| | - Wenhui Zhong
- Department of Clinical Laboratory, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
| | - Fengfang Wu
- Department of Otorhinolaryngology-Head & Neck Surgery, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou 362000, Fujian Province, PR China
| | - Xianghang Lin
- Department of Otolaryngology, Fujian Children's Hospital, Fuzhou 350000, Fujian Province, PR China
| | - Qiuyun Zhang
- Department of Otolaryngology, Fujian Children's Hospital, Fuzhou 350000, Fujian Province, PR China
| | - Qing Ye
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China; Department of Otorhinolaryngology-Head & Neck Surgery, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China.
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Cheng Q, Yu DY, Zhou YH, Huang JY. The mechanism and therapeutic potential of lncRNA MIR497HG/miR-16-5p axis in breast cancer. BMC Womens Health 2024; 24:379. [PMID: 38956558 PMCID: PMC11218111 DOI: 10.1186/s12905-024-03208-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 06/13/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Breast cancer has become a major public health problem in the current society, and its incidence rate ranks the first among Chinese female malignant tumors. This paper once again confirmed the efficacy of lncRNA in tumor regulation by introducing the mechanism of the diagnosis of breast cancer by the MIR497HG/miR-16-5p axis. METHODS The abnormal expression of MIR497HG in breast cancer was determined by RT-qPCR method, and the correlation between MIR497HG expression and clinicopathological characteristics of breast cancer patients was analyzed via Chi-square test. To understand the diagnostic potential of MIR497HG in breast cancer by drawing the receiver operating characteristic curve (ROC). The overexpressed MIR497HG (pcDNA3.1-MIR497HG) was designed and constructed to explore the regulation of elevated MIR497HG on biological function of BT549 and Hs 578T cells through Transwell assays. Additionally, the luciferase gene reporter assay and Pearson analysis evaluated the targeting relationship of MIR497HG to miR-16-5p. RESULTS MIR497HG was decreased in breast cancer and had high diagnostic function, while elevated MIR497HG inhibited the migration and invasion of BT549 and Hs 578T cells. In terms of functional mechanism, miR-16-5p was the target of MIR497HG, and MIR497HG reversely regulated the miR-16-5p. miR-16-5p mimic reversed the effects of upregulated MIR497HG on cell biological function. CONCLUSIONS In general, MIR497HG was decreased in breast cancer, and the MIR497HG/miR-16-5p axis regulated breast cancer tumorigenesis, providing effective insights for the diagnosis of patients.
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Affiliation(s)
- Quan Cheng
- Department of Chinese Medicine, Hangzhou First People's Hospital, Hangzhou, 310006, China
| | - Dong-Yang Yu
- Department of Urology, People's Hospital of Yilong County, Nanchong, 637600, China
| | - Yong-Hong Zhou
- Department of General Surgery (Thyroid Gland/Blood Vessel), The First People's Hospital of Neijiang, No. 1866, West Section of Han'an Avenue, Neijiang, 641099, China
| | - Jian-Yuan Huang
- Department of General Surgery (Thyroid Gland/Blood Vessel), The First People's Hospital of Neijiang, No. 1866, West Section of Han'an Avenue, Neijiang, 641099, China.
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Huang ZQ, Liu J, Sun LY, Ong HH, Ye J, Xu Y, Wang DY. Updated epithelial barrier dysfunction in chronic rhinosinusitis: Targeting pathophysiology and treatment response of tight junctions. Allergy 2024; 79:1146-1165. [PMID: 38372149 DOI: 10.1111/all.16064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 02/20/2024]
Abstract
Tight junction (TJ) proteins establish a physical barrier between epithelial cells, playing a crucial role in maintaining tissue homeostasis by safeguarding host tissues against pathogens, allergens, antigens, irritants, etc. Recently, an increasing number of studies have demonstrated that abnormal expression of TJs plays an essential role in the development and progression of inflammatory airway diseases, including chronic obstructive pulmonary disease, asthma, allergic rhinitis, and chronic rhinosinusitis (CRS) with or without nasal polyps. Among them, CRS with nasal polyps is a prevalent chronic inflammatory disease that affects the nasal cavity and paranasal sinuses, leading to a poor prognosis and significantly impacting patients' quality of life. Its pathogenesis primarily involves dysfunction of the nasal epithelial barrier, impaired mucociliary clearance, disordered immune response, and excessive tissue remodeling. Numerous studies have elucidated the pivotal role of TJs in both the pathogenesis and response to traditional therapies in CRS. We therefore to review and discuss potential factors contributing to impair and repair of TJs in the nasal epithelium based on their structure, function, and formation process.
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Affiliation(s)
- Zhi-Qun Huang
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore, Singapore
| | - Jing Liu
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore, Singapore
| | - Li-Ying Sun
- First School of Clinical Medicine, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hsiao Hui Ong
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore, Singapore
| | - Jing Ye
- Department of Otolaryngology-Head and Neck Surgery, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Yu Xu
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - De-Yun Wang
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore, Singapore
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Higgins M. The Lifetime Pursuit of Solving Complex Questions. Am J Rhinol Allergy 2022; 36:412-414. [PMID: 37802132 DOI: 10.1177/19458924221106821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
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