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Cui B, He B, Huang Y, Wang C, Luo H, Lu J, Su K, Zhang X, Luo Y, Zhao Z, Yang Y, Zhang Y, An F, Wang H, Lam EWF, Kelley KW, Wang L, Liu Q, Peng F. Pyrroline-5-carboxylate reductase 1 reprograms proline metabolism to drive breast cancer stemness under psychological stress. Cell Death Dis 2023; 14:682. [PMID: 37845207 PMCID: PMC10579265 DOI: 10.1038/s41419-023-06200-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 09/21/2023] [Accepted: 09/28/2023] [Indexed: 10/18/2023]
Abstract
Cancer stem-like cells (CSCs) contribute to cancer metastasis, drug resistance and tumor relapse, yet how amino acid metabolism promotes CSC maintenance remains exclusive. Here, we identify that proline synthetase PYCR1 is critical for breast cancer stemness and tumor growth. Mechanistically, PYCR1-synthesized proline activates cGMP-PKG signaling to enhance cancer stem-like traits. Importantly, cGMP-PKG signaling mediates psychological stress-induced cancer stem-like phenotypes and tumorigenesis. Ablation of PYCR1 markedly reverses psychological stress-induced proline synthesis, cGMP-PKG signaling activation and cancer progression. Clinically, PYCR1 and cGMP-PKG signaling components are highly expressed in breast tumor specimens, conferring poor survival in breast cancer patients. Targeting proline metabolism or cGMP-PKG signaling pathway provides a potential therapeutic strategy for breast patients undergoing psychological stress. Collectively, our findings unveil that PYCR1-enhanced proline synthesis displays a critical role in maintaining breast cancer stemness.
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Affiliation(s)
- Bai Cui
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Bin He
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen University, Guangzhou, China
| | - Yanping Huang
- Department of Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Cenxin Wang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Huandong Luo
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Jinxin Lu
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Keyu Su
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Xiaoyu Zhang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Yuanyuan Luo
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Zhuoran Zhao
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Yuqing Yang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Yunkun Zhang
- Department of Pathology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Fan An
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Hong Wang
- Department of Orthopaedics, The Central Hospital of Dalian University of Technology, Dalian, China
| | - Eric W-F Lam
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Keith W Kelley
- Department of Pathology, College of Medicine and Department of Animal Sciences, College of ACES, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Ling Wang
- Department of Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, China.
| | - Quentin Liu
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China.
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen University, Guangzhou, China.
| | - Fei Peng
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China.
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Yuan J, Wang M, Wang C, Zhang L. Epithelial cell dysfunction in chronic rhinosinusitis: the epithelial-mesenchymal transition. Expert Rev Clin Immunol 2023; 19:959-968. [PMID: 37386882 DOI: 10.1080/1744666x.2023.2232113] [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: 05/23/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/01/2023]
Abstract
INTRODUCTION Epithelial-mesenchymal transition (EMT) is a type of epithelial cell dysfunction, which is widely present in the nasal mucosa of patients with chronic rhinosinusitis (CRS), especially CRS with nasal polyps, and contributes to pathogenesis of the disease. EMT is mediated via complex mechanisms associated with multiple signaling pathways. AREAS COVERED We have summarized the underlying mechanisms and signaling pathways promoting EMT in CRS. Strategies or drugs/agents targeting the genes and pathways related to the regulation of EMT are also discussed for their potential use in the treatment of CRS and asthma. A literature search of studies published in English from 2000 to 2023 was conducted using the PubMed database, employing CRS, EMT, signaling, mechanisms, targeting agents/drugs, as individual or combinations of search terms. EXPERT OPINION EMT in nasal epithelium not only leads to epithelial cell dysfunction but also plays an important role in nasal tissue remodeling in CRS. A comprehensive understanding of the mechanisms underlying EMT and the development of drugs/agents targeting these mechanisms may provide new treatment strategies for CRS.
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Affiliation(s)
- Jing Yuan
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Nasal Diseases, Beijing Laboratory of Allergic Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Ming Wang
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Nasal Diseases, Beijing Laboratory of Allergic Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Chengshuo Wang
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Nasal Diseases, Beijing Laboratory of Allergic Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Luo Zhang
- Department of Otolaryngology, Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Nasal Diseases, Beijing Laboratory of Allergic Diseases, Beijing Institute of Otolaryngology, Beijing, China
- Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
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Gu W, Lei J, Zhu H, Xiao Y, Zhang Z, Zhao L. Effect of the BMPR-II-SMAD3/MRTF pathway on proliferation and migration of ASMCs and the mechanism in asthma. Mol Biol Rep 2022; 49:9283-9296. [PMID: 36008606 PMCID: PMC9515032 DOI: 10.1007/s11033-022-07764-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 06/30/2022] [Indexed: 11/30/2022]
Abstract
Background A variety of smooth muscle-specific genes and proteins, including SMAD3, BMPR-II, and MRTF, are involved in airway remodeling in asthma. As a receptor of bone morphogenetic protein (BMP) signaling, BMPR-II has important roles in airway remodeling in asthma. However, the underlying mechanism of BMPR-II in airway smooth muscle cells (ASMCs) in asthma remains incomplete. Methods Wistar rats were intraperitoneally injected with ovalbumin antigen suspension and aluminium hydroxide and, stimulated with ovalbumin nebulized inhalation to constructed asthma model. Primary ASMCs were isolated with collagenase I and identified by testing the α-SMA expression. Quantitative polymerase chain reaction (qPCR) and western blot assay were employed to detect the gene expression. CCK8, Transwell and Fluo-4 A assays were introduced to measure the cell viability, migration and intracellular Ca2+. Co-Immunoprecipitation (Co-IP) assay was applied to test the interaction among proteins. Results First, we observed significant increases in BMPR-II in asthmatic rat model and ASMCs at both the mRNA and protein levels. Second, we observed that silencing of siBMPR-II inhibited proliferation, migratory capacity and intracellular Ca2+ concentration in ASMCs. Furthermore, our study demonstrated that siBMPR-II inhibited the Smad3 expression and overexpression promoted the bioactivity of ASMCs. In addition, this study showed that p-Smad3 could interacted with MRTF and siMRTF inhibits the bioactivity of ASMCs. Finally, our results revealed BMPR-II-SMAD3/MRTF pathway affected the bioactivity of ASMCs. Conclusions This study indicates that the BMPR-II-SMAD3/MRTF signaling pathway is involved in the process of ASMCs remodeling, providing novel avenues for the identification of new therapeutic modalities.
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Affiliation(s)
- Wenbo Gu
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Jiahui Lei
- Zhengzhou University People's Hospital, Zhengzhou, China
| | - He Zhu
- Zhengzhou University People's Hospital, Zhengzhou, China
| | - Yali Xiao
- Zhengzhou University People's Hospital, Zhengzhou, China
| | - Zhenping Zhang
- People's Hospital of Zhongmu, Zhengzhou, China.,Henan Provincial People's Hospital, Zhengzhou, China
| | - Limin Zhao
- Zhengzhou University People's Hospital, Zhengzhou, China. .,Henan Provincial People's Hospital, Zhengzhou, China. .,Henan Univerity People's Hospital, Zhengzhou, China. .,Department of Respiratory Medicine, Henan Provincial People's Hospital (Zhengzhou University People's Hospital), No. 7 Weiwu Road, Zhengzhou, Henan, China.
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Atrial Natriuretic Peptide (ANP) Suppress λ-Carrageenan-Induced Acute Paw Edema by Modulating Pro-inflammatory Genes in Swiss Albino Mice. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10444-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Zhang X, Zhang X, Feng S, Wang X, Guo B, Liu J, Xu D, Liu F. The Specific microRNA Profile and Functional Networks for Children with Allergic Asthma. J Asthma Allergy 2022; 15:1179-1194. [PMID: 36059920 PMCID: PMC9439701 DOI: 10.2147/jaa.s378547] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/14/2022] [Indexed: 11/23/2022] Open
Abstract
Background Allergic asthma is the most common type of asthma and often occurs in early life with increasing comorbidities, including atopic dermatitis and allergic rhinitis. MicroRNAs (miRNAs) are involved in the pathogenesis of numerous immune and inflammatory disorders, particularly allergic inflammation. The specific miRNA profiles of children with allergic asthma have not been fully delineated and still require in-depth study. Objective This study aimed to identify the expression profile of miRNAs and constructed a network of the interactions between differentially expressed miRNAs and target mRNAs to provide novel insights into understanding the pathogenesis of allergic asthma. Materials and Methods In this study, we performed high-throughput sequencing of peripheral blood mononuclear cells (PBMCs) from children in the acute phase of asthma. Bioinformatics approaches, including miRanda, Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) databases, were employed to predict novel therapeutic and diagnostic targets for allergic asthma. Real-time quantitative PCR was conducted to detect the expression of aberrantly expressed miRNAs. Results One hundred and sixty-one differentially expressed miRNAs were identified in children with allergic asthma, including 140 conserved miRNAs and 21 novel miRNAs. A total of 8929 targeted mRNAs (44,186 transcripts) associated with differentially expressed miRNAs were predicted and significantly enriched in the cGMP-PKG signalling pathway, cholinergic synapse, and salivary secretion. We also found that miRNA-370-3p targeted PKG and MLCP molecules in the cGMP-PKG signalling pathway and was involved in the pathogenesis of allergic asthma. Conclusion We identified the miRNA profile of PBMCs in children with allergic asthma and also found that miRNA-370-3p targeted PKG and MLCP molecules in the cGMP-PKG signalling pathway, which provides a novel insight into understanding the pathogenesis of allergic asthma and investigating new targets for the treatment of allergic asthma in children.
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Affiliation(s)
- Xiyan Zhang
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
| | - Xude Zhang
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
| | - Shaojie Feng
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
| | - Xijuan Wang
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
| | - Beibei Guo
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
| | - Jingjing Liu
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
| | - Donghua Xu
- Clinical Medicine College, Weifang Medical University, Weifang, People’s Republic of China
- Department of Rheumatology, The First Affiliated Hospital of Weifang Medical University, Weifang, People’s Republic of China
| | - Fengxia Liu
- Department of Allergy, Weifang People’s Hospital, Weifang, People’s Republic of China
- Correspondence: Fengxia Liu; Donghua Xu, Email ;
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Türkeli A, Yilmaz Ö, Karaman M, Kanik ET, Firinci F, İnan S, Yüksel H. Anti-VEGF treatment suppresses remodeling factors and restores epithelial barrier function through the E-cadherin/β-catenin signaling axis in experimental asthma models. Exp Ther Med 2021; 22:689. [PMID: 33986854 PMCID: PMC8112133 DOI: 10.3892/etm.2021.10121] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 01/27/2021] [Indexed: 12/12/2022] Open
Abstract
Besides maintaining a physical barrier with adherens junctional (AJ) and tight junctional proteins, airway epithelial cells have important roles in modulating the inflammatory processes of allergic asthma. E-cadherin and β-catenin are the key AJ proteins that are involved in airway remodeling. Various mediators such as transforming growth factor-β (TGF-β), epidermal growth factor (EGF), fibroblast growth factor (FGF), platelet derived growth factor (PDGF), insulin-like growth factor (IGF), tumor necrosis factor-α (TNF-α) and angiogenic factors, such as vascular endothelial growth factor (VEGF), are released by the airway epithelium in allergic asthma. The signaling pathways activated by these growth factors trigger epithelial-mesenchymal transition (EMT), which contributes to fibrosis and subsequent downregulation of E-cadherin. The present study used a mouse asthma model to investigate the effects of anti-VEGF, anti-TNF and corticosteroid therapies on growth factor and E-cadherin/β-catenin expression. The study used 38 male BALB/c mice, divided into 5 groups. A chronic mouse asthma model was created by treating 4 of the groups with inhaled and intraperitoneal ovalbumin (n= 8 per group). Saline, anti-TNF-α (etanercept), anti-VEGF (bevacizumab) or a corticosteroid (dexamethasone) were applied to each group by intraperitoneal injection. No medication was administered to the control group (n=6). Immunohistochemistry for E-cadherin, β-catenin and growth factors was performed on lung tissues and protein expression levels assessed using H-scores. Statistically significant differences were observed in E-cadherin, β-catenin, EGF, FG, and PFGF (P<0.001 for all) as well as the IGF H-scores between the five groups (P<0.005). Only anti-VEGF treatment caused E-cadherin and β-catenin levels to increase to the level of non-asthmatic control groups (P>0.005). All treatment groups had reduced TGF-β, PDGF and FGF H-scores in comparison with the untreated asthma group (P=0.001). The EGF and IGF levels were not significantly different between the untreated asthmatic and non-asthmatic controls. The results suggested that anti-VEGF and TNF-α inhibition treatments are effective in decreasing growth factors, in a similar manner to conventional corticosteroid treatments. Anti-VEGF and TNF inhibition therapy may be an effective treatment for remodeling in asthma while offering an alternative therapeutic option to steroid protective agents. The data suggested that anti-VEGF treatment offered greater restoration of the epithelial barrier than both anti-TNF-α and corticosteroid treatment.
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Affiliation(s)
- Ahmet Türkeli
- Department of Pediatric Allergy and Immunology, Kütahya Health Science University Medical Faculty, Kütahya 43050, Turkey
| | - Özge Yilmaz
- Department of Pediatric Allergy and Immunology, Celal Bayar University Medical Faculty, Manisa 45030, Turkey
| | - Meral Karaman
- Multidisciplinary Laboratory, Dokuz Eylül University Medical Faculty, Izmir 35210, Turkey
| | - Esra Toprak Kanik
- Department of Pediatric Allergy and Immunology, Celal Bayar University Medical Faculty, Manisa 45030, Turkey
| | - Fatih Firinci
- Department of Pediatric Allergy and Immunology, Dokuz Eylül University Medical Faculty, Izmir 35210, Turkey
| | - Sevinç İnan
- Department of Histology and Embryology, Izmir University of Economics, Medical Faculty, Izmir 35330, Turkey
| | - Hasan Yüksel
- Department of Pediatric Allergy and Immunology, Celal Bayar University Medical Faculty, Manisa 45030, Turkey
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Anderson ED, Alishahedani ME, Myles IA. Epithelial-Mesenchymal Transition in Atopy: A Mini-Review. FRONTIERS IN ALLERGY 2020; 1. [PMID: 34308414 PMCID: PMC8301597 DOI: 10.3389/falgy.2020.628381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Atopic diseases, particularly atopic dermatitis (AD), asthma, and allergic rhinitis (AR) share a common pathogenesis of inflammation and barrier dysfunction. Epithelial to mesenchymal transition (EMT) is a process where epithelial cells take on a migratory mesenchymal phenotype and is essential for normal tissue repair and signal through multiple inflammatory pathways. However, while links between EMT and both asthma and AR have been demonstrated, as we outline in this mini-review, the literature investigating AD and EMT is far less well-elucidated. Furthermore, current studies on EMT and atopy are mostly animal models or ex vivo studies on cell cultures or tissue biopsies. The literature covered in this mini-review on EMT-related barrier dysfunction as a contributor to AD as well as the related (perhaps resultant) atopic diseases indicates a potential for therapeutic targeting and carry treatment implications for topical steroid use and environmental exposure assessments. Further research, particularly in vivo studies, may greatly advance the field and translate into benefit for patients and families.
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Affiliation(s)
- Erik D Anderson
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, United States
| | - Mohammadali E Alishahedani
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, United States
| | - Ian A Myles
- Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, United States
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Abnormal cGMP-dependent protein kinase I-mediated decidualization in preeclampsia. Hypertens Res 2020; 44:318-324. [PMID: 33093639 DOI: 10.1038/s41440-020-00561-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/27/2020] [Accepted: 09/05/2020] [Indexed: 11/08/2022]
Abstract
Defective decidual function contributes to the pathogenesis of preeclampsia. However, the precise mechanism of defective decidua during preeclampsia has not been characterized. During decidualization, endometrial stromal cells undergo phenotypic changes that are consistent with mesenchymal-epithelial transition (MET). cGMP-dependent kinase protein I (PKGI)/VASP signaling is important in cell motility proliferation, differentiation and cell adhesion. To investigate this aim, we analyzed PKGI levels, phosphorylated VASP protein levels, and eNOS and sGC protein expression levels during pregnancy complicated by preeclampsia, which indicated that PKGI/VASP signaling function is decreased by the condition. Moreover, we evaluated the differential expression of genes that regulate MET in the decidua resulting from preeclampsia and healthy pregnancies. We discovered that vimentin mRNA levels are decreased in the decidua of preeclampsia, which indicates that excessive MET occurs in the decidua of preeclampsia pregnancies. A fundamental developmental MET program occurred in response to signaling pathways. These results suggest the important role of decreased PKGI/VASP signaling during excessive MET in the pathogenesis of preeclampsia.
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