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Garman L, Pezant N, Dawkins BA, Rasmussen A, Levin AM, Rybicki BA, Iannuzzi MC, Bagavant H, Deshmukh US, Montgomery CG. Inclusivity in Research Matters: Variants in PVT1 Specific to Persons of African Descent Are Associated with Pulmonary Fibrosis. Am J Respir Crit Care Med 2024; 209:106-109. [PMID: 37348127 PMCID: PMC10870883 DOI: 10.1164/rccm.202210-1969le] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 06/22/2023] [Indexed: 06/24/2023] Open
Affiliation(s)
| | | | | | | | - Albert M Levin
- Department of Public Health Sciences, Henry Ford Health System, Detroit, Michigan
| | - Benjamin A Rybicki
- Department of Public Health Sciences, Henry Ford Health System, Detroit, Michigan
| | - Michael C Iannuzzi
- Department of Public Health Sciences, Henry Ford Health System, Detroit, Michigan
| | - Harini Bagavant
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma; and
| | - Umesh S Deshmukh
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma; and
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Weckerle J, Mayr CH, Fundel-Clemens K, Lämmle B, Boryn L, Thomas MJ, Bretschneider T, Luippold AH, Huber HJ, Viollet C, Rist W, Veyel D, Ramirez F, Klee S, Kästle M. Transcriptomic and Proteomic Changes Driving Pulmonary Fibrosis Resolution in Young and Old Mice. Am J Respir Cell Mol Biol 2023; 69:422-440. [PMID: 37411041 DOI: 10.1165/rcmb.2023-0012oc] [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: 01/09/2023] [Accepted: 07/06/2023] [Indexed: 07/08/2023] Open
Abstract
Bleomycin-induced pulmonary fibrosis in mice mimics major hallmarks of idiopathic pulmonary fibrosis. Yet in this model, it spontaneously resolves over time. We studied molecular mechanisms of fibrosis resolution and lung repair, focusing on transcriptional and proteomic signatures and the effect of aging. Old mice showed incomplete and delayed lung function recovery 8 weeks after bleomycin instillation. This shift in structural and functional repair in old bleomycin-treated mice was reflected in a temporal shift in gene and protein expression. We reveal gene signatures and signaling pathways that underpin the lung repair process. Importantly, the downregulation of WNT, BMP, and TGFβ antagonists Frzb, Sfrp1, Dkk2, Grem1, Fst, Fstl1, and Inhba correlated with lung function improvement. Those genes constitute a network with functions in stem cell pathways, wound, and pulmonary healing. We suggest that insufficient and delayed downregulation of those antagonists during fibrosis resolution in old mice explains the impaired regenerative outcome. Together, we identified signaling pathway molecules with relevance to lung regeneration that should be tested in-depth experimentally as potential therapeutic targets for pulmonary fibrosis.
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Affiliation(s)
| | | | | | - Bärbel Lämmle
- Global Computational Biology and Digital Sciences, and
| | | | | | - Tom Bretschneider
- Department of Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany; and
| | - Andreas H Luippold
- Department of Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany; and
| | | | | | - Wolfgang Rist
- Department of Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany; and
| | - Daniel Veyel
- Department of Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany; and
| | - Fidel Ramirez
- Global Computational Biology and Digital Sciences, and
| | - Stephan Klee
- Department of Immunology and Respiratory Disease Research
| | - Marc Kästle
- Department of Immunology and Respiratory Disease Research
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Steffan B, Grossmann T, Grill M, Kirsch A, Groselj-Strele A, Gugatschka M. Comparing Effects of Short- and Long-Term Exposure of Cigarette Smoke Extract on Human Vocal Fold Fibroblasts. J Voice 2023:S0892-1997(23)00243-6. [PMID: 37696688 DOI: 10.1016/j.jvoice.2023.08.002] [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: 06/05/2023] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 09/13/2023]
Abstract
OBJECTIVES To explore the effects of short- and long-term cigarette smoke extract (CSE) stimulation on the expression of extracellular matrix (ECM) components and inflammatory cytokines in an in vitro model for studying Reinke's edema using human vocal fold fibroblasts (hVFF). STUDY DESIGN Experimental pilot study using intervention with CSE in vitro. METHODS Immortalized hVFF were pretreated with 5% CSE or control medium over a period of 2 or 8 weeks, followed by a final 3-day incubation time. We evaluated cell proliferation and examined gene and protein expression of control- and CSE-treated cells using quantitative polymerase chain reaction, Western Blot and enzyme linked immunosorbent assay. RESULTS Cell numbers of CSE-treated hVFF strongly decreased after 8 weeks and limited the overall duration of the experiment. We observed significant upregulations in gene expression and protein levels of inflammatory markers (cyclooxygenase COX1, COX2) and ECM components (decorin, matrix metalloproteinase 1, transglutaminase 2, gremlin 2) induced by CSE after 2 and 8 weeks. Interleukin 1 receptor 1, prostaglandin I2 synthase, collagen- and hyaluronan-related gene expression showed minor upregulations. The majority of the observed genes were similarly regulated at both time points. However, the CSE-induced mRNA level of COX1 was ablated after 8 weeks. CONCLUSION Long-term treatment did not yield results significantly different from the short-term protocol. Therefore, we propose that prolonged CSE exposure is not superior to short-term settings, which save both time and materials.
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Affiliation(s)
- Barbara Steffan
- Department of Otorhinolaryngology, Division of Phoniatrics, Medical University of Graz, 8036 Graz, Austria
| | - Tanja Grossmann
- Department of Otorhinolaryngology, Division of Phoniatrics, Medical University of Graz, 8036 Graz, Austria.
| | - Magdalena Grill
- Department of Otorhinolaryngology, Division of Phoniatrics, Medical University of Graz, 8036 Graz, Austria
| | - Andrijana Kirsch
- Department of Otorhinolaryngology, Division of Phoniatrics, Medical University of Graz, 8036 Graz, Austria
| | - Andrea Groselj-Strele
- Center for Medical Research, Computational Bioanalytics, Medical University of Graz, 8010 Graz, Austria
| | - Markus Gugatschka
- Department of Otorhinolaryngology, Division of Phoniatrics, Medical University of Graz, 8036 Graz, Austria
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Saygili E, Devamoglu U, Goker-Bagca B, Goksel O, Biray-Avci C, Goksel T, Yesil-Celiktas O. A drug-responsive multicellular human spheroid model to recapitulate drug-induced pulmonary fibrosis. Biomed Mater 2022; 17. [PMID: 35617946 DOI: 10.1088/1748-605x/ac73cd] [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: 12/31/2021] [Accepted: 05/26/2022] [Indexed: 11/12/2022]
Abstract
Associated with a high mortality rate, pulmonary fibrosis (PF) is the end stage of several interstitial lung diseases. Although many factors are linked to PF progression, initiation of the fibrotic process remains to be studied. Current research focused on generating new strategies to gain a better understanding of the underlying disease mechanism as the animal models remain insufficient to reflect human physiology. Herein, to account complex cellular interactions within the fibrotic tissue, a multicellular spheroid (MCS) model where human bronchial epithelial cells incorporated with human lung fibroblasts was generated and treated with bleomycin (BLM) to emulate drug-induced PF. Recapitulating the epithelial-interstitial microenvironment, the findings successfully reflected the PF disease, where excessive alpha smooth muscle actin (α-SMA) and collagen type I secretion were noted along with the morphological changes in response to BLM. Moreover, increased levels of fibrotic linked COL13A1, MMP2, WNT3 and decreased expression level of CDH1 provide evidence for the model reliability on fibrosis modelling. Subsequent administration of the FDA approved nintedanib and pirfenidone anti-fibrotic drugs proved the drug-responsiveness of the model.
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Affiliation(s)
- Ecem Saygili
- Department of Bioengineering, Ege University, Department of Bioengineering, Bornova, Izmir, 35040, TURKEY
| | - Utku Devamoglu
- Department of Bioengineering, Ege University, Department of Bioengineering, Bornova, Izmir, 35040, TURKEY
| | - Bakiye Goker-Bagca
- Department of Medical Biology, Adnan Menderes University, Department of Medical Biology, Aydin, Aydin, 09010, TURKEY
| | - Ozlem Goksel
- Department of Pulmonary Medicine / EgeSAM-Ege University Translational Pulmonary Research Center, Ege University, Bornova, Izmir, 35040, TURKEY
| | - Cigir Biray-Avci
- Department of Medical Biology, Ege University, Bornova, Izmir, 35040, TURKEY
| | - Tuncay Goksel
- Department of Pulmonary Medicine / EgeSAM-Ege University Translational Pulmonary Research Center, Ege University, Bornova, Izmir, 35040, TURKEY
| | - Ozlem Yesil-Celiktas
- Department of Bioengineering / EgeSAM-Ege University Translational Pulmonary Research Center, Ege University, Bornova, Izmir, 35040, TURKEY
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Shi B, Wu Y, Chen H, Ding J, Qi J. Understanding of mouse and human bladder at single-cell resolution: integrated analysis of trajectory and cell-cell interactive networks based on multiple scRNA-seq datasets. Cell Prolif 2021; 55:e13170. [PMID: 34951074 PMCID: PMC8780900 DOI: 10.1111/cpr.13170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/11/2021] [Accepted: 11/30/2021] [Indexed: 11/29/2022] Open
Abstract
Objectives To elaborately decipher the mouse and human bladders at single‐cell levels. Materials and Methods We collected more than 50,000 cells from multiple datasets and created, up to date, the largest integrated bladder datasets. Pseudotime trajectory of urothelium and interstitial cells, as well as dynamic cell‐cell interactions, was investigated. Biological activity scores and different roles of signaling pathways between certain cell clusters were also identified. Results The glucose score was significantly high in most urothelial cells, while the score of H3 acetylation was roughly equally distributed across all cell types. Several genes via a pseudotime pattern in mouse (Car3, Dkk2, Tnc, etc.) and human (FBLN1, S100A10, etc.) were discovered. S100A6, TMSB4X, and typical uroplakin genes seemed as shared pseudotime genes for urothelial cells in both human and mouse datasets. In combinational mouse (n = 16,688) and human (n = 22,080) bladders, we verified 1,330 and 1,449 interactive ligand‐receptor pairs, respectively. The distinct incoming and outgoing signaling was significantly associated with specific cell types. Collagen was the strongest signal from fibroblasts to urothelial basal cells in mouse, while laminin pathway for urothelial basal cells to smooth muscle cells (SMCs) in human. Fibronectin 1 pathway was intensely sent by myofibroblasts, received by urothelial cells, and almost exclusively mediated by SMCs in mouse bladder. Interestingly, the cell cluster of SMCs 2 was the dominant sender and mediator for Notch signaling in the human bladder, while SMCs 1 was not. The expression of integrin superfamily (the most common communicative pairs) was depicted, and their co‐expression patterns were located in certain cell types (eg, Itgb1 and Itgb4 in mouse and human basal cells). Conclusions This study provides a complete interpretation of the normal bladder at single‐cell levels, offering an in‐depth resource and foundation for future research.
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Affiliation(s)
- Bowen Shi
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Yanyuan Wu
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Haojie Chen
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Jie Ding
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Jun Qi
- Department of Urology, School of Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
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