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Farkas L, Rojas M. When a DEAD-Box Protein Is the Key: A Novel Role for DDX5 in Lung Pericyte Dysfunction. Am J Respir Cell Mol Biol 2024; 70:336-338. [PMID: 38364217 PMCID: PMC11109584 DOI: 10.1165/rcmb.2024-0031ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 02/16/2024] [Indexed: 02/18/2024] Open
Affiliation(s)
- Laszlo Farkas
- Division of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine
- Davis Heart and Lung Research Institute The Ohio State University College of Medicine Columbus, Ohio
| | - Mauricio Rojas
- Division of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine
- Davis Heart and Lung Research Institute The Ohio State University College of Medicine Columbus, Ohio
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Antar SA, ElMahdy MK, Darwish AG. Examining the contribution of Notch signaling to lung disease development. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03105-8. [PMID: 38652281 DOI: 10.1007/s00210-024-03105-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/12/2024] [Indexed: 04/25/2024]
Abstract
Notch pathway is a widely observed signaling system that holds pivotal functions in regulating various developmental cellular functions and operations. The Notch signaling mechanism is crucial for lung homeostasis, damage, and restoration. Based on increasing evidence, the Notch pathway has been identified, as critical for fibrosis and subsequently, the development of chronic fibroproliferative conditions in various organs and tissues. Recent research indicates that deregulation of Notch signaling correlates with the pathogenesis of significant pulmonary conditions, particularly chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, asthma, pulmonary arterial hypertension (PAH), lung carcinoma, and pulmonary abnormalities in some hereditary disorders. In various cellular and tissue environments, and across both physiological and pathological conditions, multiple consequences of Notch activation have been observed. Studies have ascertained that the Notch signaling cascade exhibits close associations with various other signaling systems. This study provides an updated overview of Notch signaling's role, especially its link to fibrosis and its potential therapeutic implications. This study sheds light on the latest findings regarding the mechanisms and outcomes of irregular or lacking Notch activity in the onset and development of pulmonary diseases. As our insight into this signaling mechanism suggests that modulating Notch signaling might hold potential as a valuable additional therapeutic approach in upcoming research.
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Affiliation(s)
- Samar A Antar
- Center for Vascular and Heart Research, Fralin Biomedical Research Institute, Virginia Tech, Roanoke, VA, 24016, USA.
- Department of Pharmacology and Biochemistry, Faculty of Pharmacy, Horus University-Egypt, New Damietta, 34518, Egypt.
| | - Mohamed Kh ElMahdy
- Department of Pharmacology and Biochemistry, Faculty of Pharmacy, Horus University-Egypt, New Damietta, 34518, Egypt
| | - Ahmed G Darwish
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL, 32308, USA
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3
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Hayek H, Rehbini O, Kosmider B, Brandt T, Chatila W, Marchetti N, Criner GJ, Bolla S, Kishore R, Bowler RP, Bahmed K. The Regulation of Fatty Acid Synthase by Exosomal miR-143-5p and miR-342-5p in Idiopathic Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2024; 70:259-282. [PMID: 38117249 DOI: 10.1165/rcmb.2023-0232oc] [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: 06/27/2023] [Accepted: 12/19/2023] [Indexed: 12/21/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive disease caused by an aberrant repair of injured alveolar epithelial cells. The maintenance of the alveolar epithelium and its regeneration after the damage is fueled by alveolar type II (ATII) cells. Injured cells release exosomes containing microRNAs (miRNAs), which can alter the recipient cells' function. Lung tissue, ATII cells, fibroblasts, plasma, and exosomes were obtained from naive patients with IPF, patients with IPF taking pirfenidone or nintedanib, and control organ donors. miRNA expression was analyzed to study their impact on exosome-mediated effects in IPF. High miR-143-5p and miR-342-5p levels were detected in ATII cells, lung tissue, plasma, and exosomes in naive patients with IPF. Decreased FASN (fatty acid synthase) and ACSL-4 (acyl-CoA-synthetase long-chain family member 4) expression was found in ATII cells. miR-143-5p and miR-342-5p overexpression or ATII cell treatment with IPF-derived exosomes containing these miRNAs lowered FASN and ACSL-4 levels. Also, this contributed to ATII cell injury and senescence. However, exosomes isolated from patients with IPF taking nintedanib or pirfenidone increased FASN expression in ATII cells compared with naive patients with IPF. Furthermore, fibroblast treatment with exosomes obtained from naive patients with IPF increased SMAD3, CTGF, COL3A1, and TGFβ1 expression. Our results suggest that IPF-derived exosomes containing miR-143-5p and miR-342-5p inhibited the de novo fatty acid synthesis pathway in ATII cells. They also induced the profibrotic response in fibroblasts. Pirfenidone and nintedanib improved ATII cell function and inhibited fibrogenesis. This study highlights the importance of exosomes in IPF pathophysiology.
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Affiliation(s)
- Hassan Hayek
- Department of Microbiology, Immunology, and Inflammation
- Center for Inflammation and Lung Research
| | | | - Beata Kosmider
- Department of Microbiology, Immunology, and Inflammation
- Center for Inflammation and Lung Research
- Department of Thoracic Medicine and Surgery
| | | | | | | | | | | | - Raj Kishore
- Center for Translational Medicine, and
- Department of Cardiovascular Sciences, Temple University, Philadelphia, Pennsylvania; and
| | - Russell P Bowler
- Department of Medicine, National Jewish Health, Denver, Colorado
| | - Karim Bahmed
- Department of Microbiology, Immunology, and Inflammation
- Center for Inflammation and Lung Research
- Department of Thoracic Medicine and Surgery
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Chen Y, Song W, Zhang H, Ji X. MICALL2 participates in the regulation of epithelial-mesenchymal transition in alveolar epithelial cells - Potential roles in pulmonary fibrosis. Arch Biochem Biophys 2023; 747:109730. [PMID: 37690696 DOI: 10.1016/j.abb.2023.109730] [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: 06/13/2023] [Revised: 08/10/2023] [Accepted: 08/23/2023] [Indexed: 09/12/2023]
Abstract
Epithelial-mesenchymal transition (EMT) of alveolar epithelial cells is a vital process in idiopathic pulmonary fibrosis (IPF), which results in the accumulation of fibroblasts and myofibroblasts and excessive extracellular matrix deposition. Based on RNA sequencing analysis and GEO dataset reanalysis, we screened out MICALL2, a gene upregulated in the lungs of IPF mice and alveolar epithelial type II (ATII) cells from IPF patients, and aimed to explore its role in IPF. We validated the expression of MICALL2 in bleomycin (BLM)-induced IPF mice and TGF-β1-stimulated ATII cells (primary murine ATII cells and A549 cells), and explored the role of MICALL2 in IPF by knockdown of MICALL2 in BLM-induced mice and TGF-β1-stimulated ATII cells. We found that MICALL2 was upregulated in the lungs of BLM-induced mice and TGF-β1-stimulated ATII cells. MICALL2-deficient mice had reduced fibrogenesis and restrained EMT upon BLM challenge. Knockdown of MICALL2 restrained the EMT process, in vitro, through impeding β-catenin nuclear translocation. Mechanistically, we demonstrated that NPAS2 is directly bound to the promoter of MICALL2. Altogether, our data revealed transactivation of MICALL2 induced by NPAS2, contributing to activation of the Wnt/β-catenin pathway in ATII cells, thus leading to the EMT process and subsequent pulmonary fibrosis. Interfering with MICALL2 may represent an innovative therapeutic target to mitigate the extent of IPF.
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Affiliation(s)
- Yingying Chen
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, 110022, China
| | - Wei Song
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, 110022, China
| | - He Zhang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, 110022, China
| | - Xinping Ji
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, 110022, China.
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Constantin AM, Mihu CM, Boşca AB, Melincovici CS, Mărginean MV, Jianu EM, Onofrei MM, Micu CM, Alexandru BC, Sufleţel RT, Moldovan IM, Coneac A, Crintea A, Ştefan RA, Ştefan PA, Djouini A, Şovrea AS. Short histological kaleidoscope - recent findings in histology. Part III. ROMANIAN JOURNAL OF MORPHOLOGY AND EMBRYOLOGY = REVUE ROUMAINE DE MORPHOLOGIE ET EMBRYOLOGIE 2023; 64:115-133. [PMID: 37518868 PMCID: PMC10520383 DOI: 10.47162/rjme.64.2.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 07/17/2023] [Indexed: 08/01/2023]
Abstract
The paper provides an overview of the current understanding of different cells' biology (e.g., keratinocytes, Paneth cells, myoepithelial cells, myofibroblasts, chondroclasts, monocytes, atrial cardiomyocytes), including their origin, structure, function, and role in disease pathogenesis, and of the latest findings in the medical literature concerning the brown adipose tissue and the juxtaoral organ of Chievitz.
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Affiliation(s)
- Anne Marie Constantin
- Discipline of Histology, Department of Morphological Sciences, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania;
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Su M, Liu J, Wu X, Chen X, Xiao Q, Jiang N. Construction of a TFs-miRNA-mRNA network related to idiopathic pulmonary fibrosis. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:78. [PMID: 36819574 PMCID: PMC9929790 DOI: 10.21037/atm-22-6161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/07/2023] [Indexed: 01/18/2023]
Abstract
Background The transcription factors (TFs)-microRNA (miRNA)-messenger RNA (mRNA) network plays an important role in a variety of diseases. However, the relationship between the TFs-miRNA-mRNA network and idiopathic pulmonary fibrosis (IPF) remains unclear. Methods The GSE110147 and GSE53845 datasets from the Gene Expression Omnibus (GEO) database were used to process differentially expressed genes (DEGs) analysis, gene set enrichment analysis (GSEA), weighted gene co-expression network analysis (WGCNA), as well as Gene ontology and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. The GSE13316 dataset was used to perform differentially expressed miRNAs (DEMs) analysis and TFs prediction. Finally, a TFs-miRNA-mRNA network related to IPF was constructed, and its function was evaluated by Gene Ontology (GO) and KEGG analyses. Also, 19 TFs in the network were verified by quantitative real time polymerase chain reaction (qRT-PCR). Results Through our analysis, 53 DEMs and 2,630 DEGs were screened. The GSEA results suggested these genes were mainly related to protein digestion and absorption. The WGCNA results showed that these DEGs were divided into eight modules, and the GO and KEGG analyses results of blue module genes showed that these 86 blue module genes were mainly enriched in cilium assembly and cilium organization. Moreover, a TFs-miRNA-mRNA network comprising 25 TFs, 11 miRNAs, and 60 mRNAs was constructed. Ultimately, the functional enrichment analysis showed that the TFs-miRNA-mRNA network was mainly related to the cell cycle and the phosphatidylinositol 3 kinase-protein kinase B (PI3K-Akt) signaling pathway. Furthermore, experimental verification of the TFs showed that ARNTL, TRIM28, EZH2, BCOR, and ASXL1 were sufficiently up-regulated in the transforming growth factor (TGF)-β1 treatment groups, while BCL6, BHLHE40, FOXA1, and EGR1 were significantly down-regulated. Conclusions The novel TFs-miRNA-mRNA network that we constructed could provide new insights into the underlying molecular mechanisms of IPF. ARNTL, TRIM28, EZH2, BCOR, ASXL1, BCL6, BHLHE40, FOXA1, and EGR1 may play important roles in IPF and become effective biomarkers for diagnosis and treatment.
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Affiliation(s)
- Minhong Su
- Department of Respiratory and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Junfang Liu
- Department of Respiratory and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiping Wu
- Department of Respiratory and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xin Chen
- Department of Respiratory and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Qiang Xiao
- Department of Pulmonary and Critical Care Medicine, Shunde Hospital, Southern Medical University, Foshan, China
| | - Ning Jiang
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Mc Cormack BA, González-Cantó E, Tomás-Pérez S, Aghababyan C, Marí-Alexandre J, Götte M, Gilabert-Estellés J. Special Issue "miRNAs in the Era of Personalized Medicine: From Biomarkers to Therapeutics 2.0". Int J Mol Sci 2023; 24:ijms24031951. [PMID: 36768275 PMCID: PMC9916445 DOI: 10.3390/ijms24031951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/09/2023] [Indexed: 01/20/2023] Open
Abstract
Personalized medicine has become a new paradigm in the management of a variety of diseases [...].
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Affiliation(s)
- Bárbara Andrea Mc Cormack
- Research Laboratory in Biomarkers in Reproduction, Gynaecology and Obstetrics, Research Foundation of the General University Hospital of Valencia, 46014 Valencia, Spain
| | - Eva González-Cantó
- Research Laboratory in Biomarkers in Reproduction, Gynaecology and Obstetrics, Research Foundation of the General University Hospital of Valencia, 46014 Valencia, Spain
| | - Sarai Tomás-Pérez
- Research Laboratory in Biomarkers in Reproduction, Gynaecology and Obstetrics, Research Foundation of the General University Hospital of Valencia, 46014 Valencia, Spain
| | - Cristina Aghababyan
- Research Laboratory in Biomarkers in Reproduction, Gynaecology and Obstetrics, Research Foundation of the General University Hospital of Valencia, 46014 Valencia, Spain
- Department of Obstetrics and Gynaecology, General University Hospital of Valencia Consortium, 46014 Valencia, Spain
| | - Josep Marí-Alexandre
- Research Laboratory in Biomarkers in Reproduction, Gynaecology and Obstetrics, Research Foundation of the General University Hospital of Valencia, 46014 Valencia, Spain
- Department of Pathology, General University Hospital of Valencia Consortium, 46014 Valencia, Spain
- Correspondence: (J.M.-A.); (M.G.)
| | - Martin Götte
- Research Laboratory, Department of Gynecology and Obstetrics, Münster University Hospital, 48149 Münster, Germany
- Correspondence: (J.M.-A.); (M.G.)
| | - Juan Gilabert-Estellés
- Research Laboratory in Biomarkers in Reproduction, Gynaecology and Obstetrics, Research Foundation of the General University Hospital of Valencia, 46014 Valencia, Spain
- Department of Obstetrics and Gynaecology, General University Hospital of Valencia Consortium, 46014 Valencia, Spain
- Department of Pediatrics, Obstetrics and Gynaecology, University of Valencia, 46010 Valencia, Spain
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Exosomal Micro-RNAs as Intercellular Communicators in Idiopathic Pulmonary Fibrosis. Int J Mol Sci 2022; 23:ijms231911047. [PMID: 36232350 PMCID: PMC9569972 DOI: 10.3390/ijms231911047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/09/2022] [Accepted: 09/14/2022] [Indexed: 12/12/2022] Open
Abstract
Communication between neighboring or distant cells is made through a complex network that includes extracellular vesicles (EVs). Exosomes, which are a subgroup of EVs, are released from most cell types and have been found in biological fluids such as urine, plasma, and airway secretions like bronchoalveolar lavage (BAL), nasal lavage, saliva, and sputum. Mainly, the cargo exosomes are enriched with mRNAs and microRNAs (miRNAs), which can be transferred to a recipient cell consequently modifying and redirecting its biological function. The effects of miRNAs derive from their role as gene expression regulators by repressing or degrading their target mRNAs. Nowadays, various types of research are focused on evaluating the potential of exosomal miRNAs as biomarkers for the prognosis and diagnosis of different pathologies. Nevertheless, there are few reports on their role in the pathophysiology of idiopathic pulmonary fibrosis (IPF), a chronic lung disease characterized by progressive lung scarring with no cure. In this review, we focus on the role and effect of exosomal miRNAs as intercellular communicators in the onset and progression of IPF, as well as discussing their potential utility as therapeutic agents for the treatment of this disease.
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