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Wu Y, Peng W, Chen S, Zeng X, Zhu J, Zhu P. CAV1 Protein Encapsulated in Mouse BMSC-Derived Extracellular Vesicles Alleviates Myocardial Fibrosis Following Myocardial Infarction by Blocking the TGF-β1/SMAD2/c-JUN Axis. J Cardiovasc Transl Res 2024; 17:523-539. [PMID: 38092988 DOI: 10.1007/s12265-023-10472-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 11/27/2023] [Indexed: 07/03/2024]
Abstract
Extracellular vesicles (EVs) derived from mouse bone marrow mesenchymal stem cells (mBMSCs) convey the CAV1 protein, influencing the TGF-β1/SMAD2/c-JUN pathway and thus the molecular mechanisms underlying myocardial fibrosis (MF) post-myocardial infarction (MI). Through various experimental methods, including transmission electron microscopy, Nanosight analysis, Western blot, ELISA, and qRT-PCR, we isolated, purified, and identified EVs originating from mBMSCs. Bioinformatics and experimental findings show a reduced expression of CAV1 in myocardial fibrosis tissue. Furthermore, our findings suggest that mBMSC-EVs can deliver CAV1 to cardiac fibroblasts (CFs) and that silencing CAV1 in mBMSC-EVs promotes CF fibrosis. In vivo studies further corroborated these findings. In conclusion, mBMSC-EVs mitigate myocardial fibrosis in MI mice by delivering the CAV1 protein, inhibiting the TGF-β1/SMAD2/c-JUN pathway.
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Affiliation(s)
- Yijin Wu
- Department of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, No.106 Zhongshan Er Road, Yuexiu District, Guangzhou, 510100, China
| | - Wenying Peng
- Department of Intensive Care Unit of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510100, China
| | - Siyao Chen
- Department of Intensive Care Unit of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510100, China
| | - Xiaodong Zeng
- Department of Intensive Care Unit of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510100, China
| | - Jiade Zhu
- Department of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, No.106 Zhongshan Er Road, Yuexiu District, Guangzhou, 510100, China
| | - Ping Zhu
- Department of Cardiovascular Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, No.106 Zhongshan Er Road, Yuexiu District, Guangzhou, 510100, China.
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2
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Hamidpour SK, Amiri M, Ketabforoush AHME, Saeedi S, Angaji A, Tavakol S. Unraveling Dysregulated Cell Signaling Pathways, Genetic and Epigenetic Mysteries of Parkinson's Disease. Mol Neurobiol 2024:10.1007/s12035-024-04128-1. [PMID: 38573414 DOI: 10.1007/s12035-024-04128-1] [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: 12/16/2023] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
Parkinson's disease (PD) is a prevalent and burdensome neurodegenerative disorder that has been extensively researched to understand its complex etiology, diagnosis, and treatment. The interplay between genetic and environmental factors in PD makes its pathophysiology difficult to comprehend, emphasizing the need for further investigation into genetic and epigenetic markers involved in the disease. Early diagnosis is crucial for optimal management of the disease, and the development of novel diagnostic biomarkers is ongoing. Although many efforts have been made in the field of recognition and interpretation of the mechanisms involved in the pathophysiology of the disease, the current knowledge about PD is just the tip of the iceberg. By scrutinizing genetic and epigenetic patterns underlying PD, new avenues can be opened for dissecting the pathology of the disorder, leading to more precise and efficient diagnostic and therapeutic approaches. This review emphasizes the importance of studying dysregulated cell signaling pathways and molecular processes associated with genes and epigenetic alterations in understanding PD, paving the way for the development of novel therapeutic strategies to combat this devastating disease.
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Affiliation(s)
- Shayesteh Kokabi Hamidpour
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | - Mobina Amiri
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | | | - Saeedeh Saeedi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Abdolhamid Angaji
- Department of Cell and Molecular Biology, Faculty of Biological Science, Kharazmi University, Tehran, Iran
| | - Shima Tavakol
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.
- Department of Research and Development, Tavakol BioMimetic Technologies Company, Tehran, Iran.
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3
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Xi Y, Ge Y, Hu D, Xia T, Chen J, Zhang C, Cui Y, Xiao H. Caveolin-1 scaffolding domain peptide prevents corpus cavernosum fibrosis and erectile dysfunction in bilateral cavernous nerve injury-induced rats. J Sex Med 2023; 20:1274-1284. [PMID: 37724695 DOI: 10.1093/jsxmed/qdad108] [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: 04/20/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 09/21/2023]
Abstract
BACKGROUND Corpus cavernosum (CC) fibrosis significantly contributes to post-radical prostatectomy erectile dysfunction (pRP-ED). Caveolin-1 scaffolding domain (CSD)-derived peptide has gained significant concern as a potent antagonist of tissue fibrosis. However, applying CSD peptide on bilateral cavernous nerve injury (BCNI)-induced rats remains uninvestigated. AIM The aim was to explore the therapeutic outcome and underlying mechanism of CSD peptide for preventing ED in BCNI rats according to the hypothesis that CSD peptide may exert beneficial effects on erectile tissue and function following BCNI through limiting collagen synthesis in CC smooth muscle cells (CCSMCs) and CC fibrosis. METHODS After completing a random assignment of male Sprague Dawley rats (10 weeks of age), BCNI rats received either saline or CSD peptide treatment, as opposed to sham-operated rats. The evaluations of erectile function (EF) and succedent collection and histological and molecular biological examinations of penile tissue were accomplished 3 weeks postoperatively. In addition, the fibrotic model of CCSMCs was used to further explore the mechanism of CSD peptide action in vitro. OUTCOMES The assessments of EF, SMC/collagen ratio, α-smooth muscle actin, caveolin-1 (CAV1), and profibrotic indicators expressions were conducted. RESULTS BCNI rats exhibited significant decreases in EF, SMC/collagen ratio, α-SMA, and CAV1 levels, and increases in collagen content together with transforming growth factor (TGF)-β1/Smad2 activity. However, impaired EF, activated CC fibrosis, and Smad2 signaling were attenuated after 3 weeks of CSD peptide treatment in BCNI rats. In vitro, TGF-β1-induced CCSMCs underwent fibrogenetic transformation characterized by lower expression of CAV1, higher collagen composition, and phosphorylation of Smad2; then, the delivery of CSD peptide could significantly block CCSMC fibrosis by inactivating Smad2 signaling. CLINICAL IMPLICATIONS Based on available evidence of CSD peptide in the prevention of ED in BCNI rats, this study can aid in the development and clinical application of CSD peptide targeting pRP-ED. STRENGTHS AND LIMITATIONS This study provides data to suggest that CSD peptide protects against BCNI-induced deleterious alterations in EF and CC tissues. However, the available evidence still does not fully clarify the detailed mechanism of action of CSD peptide. CONCLUSION Administration of CSD peptide significantly retarded collagen synthesis in CCSMCs, limited CC fibrosis, and prevented ED via confrontation of TGF-β1/Smad signaling in BCNI rats.
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Affiliation(s)
- Yuhang Xi
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Yunlong Ge
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Daoyuan Hu
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
- Department of Urology, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Tian Xia
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Jialiang Chen
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Chi Zhang
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Yubin Cui
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
| | - Hengjun Xiao
- Department of Urology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 020-510000, China
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4
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Yang X, Wang C, Zhu G, Guo Z, Fan L. METTL14/YTHDF1 axis-modified UCHL5 aggravates atherosclerosis by activating the NLRP3 inflammasome. Exp Cell Res 2023; 427:113587. [PMID: 37044315 DOI: 10.1016/j.yexcr.2023.113587] [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: 12/06/2022] [Revised: 03/28/2023] [Accepted: 04/04/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND Vascular smooth muscle cell (VSMC) phenotypic switching contributes to VSMC proliferation and migration in atherosclerosis (AS). Nevertheless, the regulatory mechanism of VSMC phenotypic switching during AS progression is unclear. Here, the role and regulatory mechanism of UCHL5 in VSMC phenotypic switching during AS progression were investigated. METHODS ApoE-/- mice were fed with high fat diet to establish AS model in vivo. VSMCs stimulated by ox-LDL were used as AS cellular model. VSMC proliferation and migration were examined by CCK8 assay and transwell assay, respectively. The levels of pro-inflammatory cytokines were assessed using ELISA. The interactions between METTL14/YTHDF1, UCHL5 and NLRP3 were analyzed using RIP and/or dual-luciferase reporter gene and/or Co-IP assays. NLRP3 ubiquitination was analyzed by ubiquitination analysis. RESULTS UCHL5 was significantly upregulated in AS patients and ox-LDL-treated VSMCs. UCHL5 silencing ameliorated plaque formation and vascular remodeling in vivo and suppressed ox-LDL-induced VSMC proliferation, migration, inflammation and phenotypic switching in vitro. Moreover, METTL14 could increase UCHL5 mRNA m6A level and promoted UCHL5 expression by recruiting YTHDF1. Moreover, UCHL5 overexpression enhanced protein stability by deubiquitinating NLRP3. Rescue studies revealed that NLRP3 overexpression abrogated UCHL5 silencing-mediated biological effects in ox-LDL-treated VSMCs. CONCLUSION UCHL5 modified by METTL14/YTHDF1 axis could facilitate the inflammation and vascular remodeling in atherosclerosis by activating the NLRP3 inflammasome.
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Affiliation(s)
- Xiaohu Yang
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, 201700, China
| | - Chen Wang
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, 201700, China
| | - Guanglang Zhu
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, 201700, China
| | - Zhenyu Guo
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, 201700, China
| | - Longhua Fan
- Department of Vascular Surgery, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, 201700, China.
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5
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Yang L, Wan N, Gong F, Wang X, Feng L, Liu G. Transcription factors and potential therapeutic targets for pulmonary hypertension. Front Cell Dev Biol 2023; 11:1132060. [PMID: 37009479 PMCID: PMC10064017 DOI: 10.3389/fcell.2023.1132060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/03/2023] [Indexed: 03/19/2023] Open
Abstract
Pulmonary hypertension (PH) is a refractory and fatal disease characterized by excessive pulmonary arterial cell remodeling. Uncontrolled proliferation and hypertrophy of pulmonary arterial smooth muscle cells (PASMCs), dysfunction of pulmonary arterial endothelial cells (PAECs), and abnormal perivascular infiltration of immune cells result in pulmonary arterial remodeling, followed by increased pulmonary vascular resistance and pulmonary pressure. Although various drugs targeting nitric oxide, endothelin-1 and prostacyclin pathways have been used in clinical settings, the mortality of pulmonary hypertension remains high. Multiple molecular abnormalities have been implicated in pulmonary hypertension, changes in numerous transcription factors have been identified as key regulators in pulmonary hypertension, and a role for pulmonary vascular remodeling has been highlighted. This review consolidates evidence linking transcription factors and their molecular mechanisms, from pulmonary vascular intima PAECs, vascular media PASMCs, and pulmonary arterial adventitia fibroblasts to pulmonary inflammatory cells. These findings will improve the understanding of particularly interactions between transcription factor-mediated cellular signaling pathways and identify novel therapies for pulmonary hypertension.
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Affiliation(s)
- Liu Yang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Naifu Wan
- Department of Vascular & Cardiology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Fanpeng Gong
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Xianfeng Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Lei Feng
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Guizhu Liu
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- *Correspondence: Guizhu Liu,
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6
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CHEN Z, RUAN B, LONG G, LIN W. Adipose tissue-derived mesenchymal stem cells attenuate lung inflammation and fibrosis in the bleomycin-induced pulmonary fibrosis rat model via caveolin-1/NF-kB signaling axis. Physiol Res 2022; 71:657-666. [PMID: 36047729 PMCID: PMC9841806 DOI: 10.33549/physiolres.934892] [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: 01/06/2023] Open
Abstract
Stem cells have emerged as promising therapeutic options for several human diseases, including pulmonary fibrosis (PF). In this study, we investigated the therapeutic effects of adipose tissue-derived mesenchymal stem cells (ADMSCs) in the bleomycin-induced PF model rats and the underlying mechanisms. The PF model rats were generated by intratracheal injections of 5 mg/kg bleomycin sulfate. The ADMSC group rats were generated by injecting 2×10(6) ADMSCs via the tail vein at 0, 12, and 24 h after bleomycin injection. The control, PF, and ADMSC group rats were sacrificed on day 21 after bleomycin injections and the changes in lung histology and the levels of pro-inflammatory cytokines, collagen I, and caveolin-1 (Cav-1), and the activity of the NF-kappaB signaling pathway in the lung tissues was assessed by hematoxylin-eosin staining, ELISA, and western blotting assays. The lung tissues of the PF model rats showed significant infiltration of neutrophils, tissue destruction, and collagen deposition, but these effects were abrogated by the ADMSCs. The levels of pro-inflammatory cytokines such as IL-6, IL-1beta, and TGF-beta1 were elevated in the lung tissues and the bronchoalveolar lavage fluid (BALF) of the bleomycin-induced PF model rats, but these effects were reversed by the ADMSCs. The lung tissues of the PF model rats showed significant downregulation of Cav-1 and significantly higher activation of the pro-inflammatory NF-kappaB pathway. However, administration of the ADMSCs restored the expression levels of Cav-1 and suppressed the NF-kappaB signaling pathway in the lungs of the bleomycin-induced PF model rats. In conclusion, this study demonstrated that the ADMSCs protected against bleomycin-induced PF in the rat model by modulating the Cav-1/NF-kappaB axis.
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Affiliation(s)
- Zhe CHEN
- Department of Respiratory and Critical Care Medicine, The First People’s Hospital of Wenling, Zhejiang, China
| | - Bingqing RUAN
- Department of Internal Medicine, Wenling Women’s and Children’s Hospital, Zhejiang, China
| | - Guangyan LONG
- Department of Infectious Diseases, The First People’s Hospital of Wenling, Zhejiang, China
| | - Wei LIN
- Department of Respirology, The First People’s Hospital of Wenling, Zhejiang, China
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7
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He R, Yuan X, Lv X, Liu Q, Tao L, Meng J. Caveolin-1 negatively regulates inflammation and fibrosis in silicosis. J Cell Mol Med 2021; 26:99-107. [PMID: 34889029 PMCID: PMC8742238 DOI: 10.1111/jcmm.17045] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 09/30/2021] [Accepted: 10/24/2021] [Indexed: 11/28/2022] Open
Abstract
Inhalation of crystalline silica causes silicosis, the most common and serious occupational disease, which is characterized by progressive lung inflammation and fibrosis. Recent studies revealed the anti-inflammatory and anti-fibrosis role of Caveolin-1 (Cav-1) in lung, but this role in silicosis has not been investigated. Thus, this study evaluated Cav-1 regulatory effects in silicosis. It was found that Cav-1 levels were significantly reduced in the lung from silicosis patients and silicotic mice. The silicosis models were established in C57BL/6 (wild-type) and Cav-1 deficiency (Cav-1-/- ) mice, and Cav-1-/- mice displayed wider alveolar septa, increased collagen deposition and more silicotic nodules. The mice peritoneal-derived macrophages were used to explore the role of Cav-1 in silica-induced inflammation, which plays a central role in mechanism of silicosis. Cav-1 inhibited silica-induced infiltration of inflammatory cells and secretion of inflammatory factors in vitro and in vivo, partly by downregulating NF-κB pathway. Additionally, silica uptake and expression of 4-hydroxynonenal in silicotic mice were observed, and it was found that Cav-1 absence triggered excessive silica deposition, causing a stronger oxidative stress response. These findings demonstrate the protective effects of Cav-1 in silica-induced lung injury, suggesting its potential therapeutic value in silicosis.
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Affiliation(s)
- RongLing He
- Department of Pulmonary and Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, China
| | - XiangNing Yuan
- Department of Pulmonary and Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, China.,Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xin Lv
- Department of Pulmonary and Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, China.,Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - QingXiang Liu
- Department of Pulmonary and Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, China
| | - LiJian Tao
- Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, China.,Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Meng
- Department of Pulmonary and Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, China
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8
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Xu B, Xu G, Yu Y, Lin J. The role of TGF-β or BMPR2 signaling pathway-related miRNA in pulmonary arterial hypertension and systemic sclerosis. Arthritis Res Ther 2021; 23:288. [PMID: 34819148 PMCID: PMC8613994 DOI: 10.1186/s13075-021-02678-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 11/07/2021] [Indexed: 11/17/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a severe complication of connective tissue disease (CTD), causing death in systemic sclerosis (SSc). The past decade has yielded many scientific insights into microRNA (miRNAs) in PAH and SSc. This growth of knowledge has well-illustrated the complexity of microRNA (miRNA)-based regulation of gene expression in PAH. However, few miRNA-related SSc-PAH were elucidated. This review firstly discusses the role of transforming growth factor-beta (TGF-β) signaling and bone morphogenetic protein receptor type II (BMPR2) in PAH and SSc. Secondly, the miRNAs relating to TGF-β and BMPR2 signaling pathways in PAH and SSc or merely PAH were subsequently summarized. Finally, future studies might develop early diagnostic biomarkers and target-oriented therapeutic strategies for SSc-PAH and PAH treatment.
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Affiliation(s)
- Bei Xu
- Department of Rheumatology, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, Zhejiang Province, People's Republic of China, 310003
| | - Guanhua Xu
- Department of Rheumatology, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, Zhejiang Province, People's Republic of China, 310003
| | - Ye Yu
- Department of Rheumatology, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, Zhejiang Province, People's Republic of China, 310003
| | - Jin Lin
- Department of Rheumatology, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, Zhejiang Province, People's Republic of China, 310003.
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9
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Lippai R, Veres-Székely A, Sziksz E, Iwakura Y, Pap D, Rokonay R, Szebeni B, Lotz G, Béres NJ, Cseh Á, Szabó AJ, Vannay Á. Immunomodulatory role of Parkinson's disease 7 in inflammatory bowel disease. Sci Rep 2021; 11:14582. [PMID: 34272410 PMCID: PMC8285373 DOI: 10.1038/s41598-021-93671-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 06/25/2021] [Indexed: 01/09/2023] Open
Abstract
Recently the role of Parkinson’s disease 7 (PARK7) was studied in gastrointestinal diseases, however, the complex role of PARK7 in the intestinal inflammation is still not completely clear. Expression and localization of PARK7 were determined in the colon biopsies of children with inflammatory bowel disease (IBD), in the colon of dextran sodium sulphate (DSS) treated mice and in HT-29 colonic epithelial cells treated with interleukin (IL)-17, hydrogen peroxide (H2O2), tumor necrosis factor (TNF)-α, transforming growth factor (TGF)-β or lipopolysaccharide (LPS). Effect of PARK7 on the synthesis of IBD related cytokines was determined using PARK7 gene silenced HT-29 cells and 3,4,5-trimethoxy-N-(4-(8-methylimidazo(1,2-a)pyridine-2-yl)phenyl)benzamide (Comp23)—compound increasing PARK7 activity—treated mice with DSS-colitis. PARK7 expression was higher in the mucosa of children with Crohn’s disease compared to that of controls. While H2O2 and IL-17 treatment increased, LPS, TNF-α or TGF-β treatment decreased the PARK7 synthesis of HT-29 cells. PARK7 gene silencing influenced the synthesis of IL1B, IL6, TNFA and TGFB1 in vitro. Comp23 treatment attenuated the ex vivo permeability of colonic sacs, the clinical symptoms, and mucosal expression of Tgfb1, Il1b, Il6 and Il10 of DSS-treated mice. Our study revealed the role of PARK7 in the regulation of IBD-related inflammation in vitro and in vivo, suggesting its importance as a future therapeutic target.
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Affiliation(s)
- Rita Lippai
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary
| | - Apor Veres-Székely
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary.,ELKH-SE Pediatrics and Nephrology Research Group, Budapest, Hungary
| | - Erna Sziksz
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary
| | - Yoichiro Iwakura
- Research Institute for Biomedical Sciences and Center for Animal Disease Models, Research Institute for Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Domonkos Pap
- ELKH-SE Pediatrics and Nephrology Research Group, Budapest, Hungary
| | - Réka Rokonay
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary
| | - Beáta Szebeni
- ELKH-SE Pediatrics and Nephrology Research Group, Budapest, Hungary
| | - Gábor Lotz
- 2nd Department of Pathology, Semmelweis University, Budapest, Hungary
| | - Nóra J Béres
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary
| | - Áron Cseh
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary
| | - Attila J Szabó
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary.,ELKH-SE Pediatrics and Nephrology Research Group, Budapest, Hungary
| | - Ádám Vannay
- 1st Department of Pediatrics, Semmelweis University, 54, Bókay Street, Budapest, 1083, Hungary. .,ELKH-SE Pediatrics and Nephrology Research Group, Budapest, Hungary.
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10
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Cytoprotective Mechanisms of DJ-1: Implications in Cardiac Pathophysiology. Molecules 2021; 26:molecules26133795. [PMID: 34206441 PMCID: PMC8270312 DOI: 10.3390/molecules26133795] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 11/17/2022] Open
Abstract
DJ-1 was originally identified as an oncogene product while mutations of the gene encoding DJ-1/PARK7 were later associated with a recessive form of Parkinson's disease. Its ubiquitous expression and diversity of function suggest that DJ-1 is also involved in mechanisms outside the central nervous system. In the last decade, the contribution of DJ-1 to the protection from ischemia-reperfusion injury has been recognized and its involvement in the pathophysiology of cardiovascular disease is attracting increasing attention. This review describes the current and gaps in our knowledge of DJ-1, focusing on its role in regulating cardiovascular function. In parallel, we present original data showing an association between increased DJ-1 expression and antiapoptotic and anti-inflammatory markers following cardiac and vascular surgical procedures. Future studies should address DJ-1's role as a plausible novel therapeutic target for cardiovascular disease.
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11
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Sivasubramaniyam T, Yang J, Cheng HS, Zyla A, Li A, Besla R, Dotan I, Revelo XS, Shi SY, Le H, Schroer SA, Dodington DW, Park YJ, Kim MJ, Febbraro D, Ruel I, Genest J, Kim RH, Mak TW, Winer DA, Robbins CS, Woo M. Dj1 deficiency protects against atherosclerosis with anti-inflammatory response in macrophages. Sci Rep 2021; 11:4723. [PMID: 33633277 PMCID: PMC7907332 DOI: 10.1038/s41598-021-84063-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 02/08/2021] [Indexed: 11/09/2022] Open
Abstract
Inflammation is a key contributor to atherosclerosis with macrophages playing a pivotal role through the induction of oxidative stress and cytokine/chemokine secretion. DJ1, an anti-oxidant protein, has shown to paradoxically protect against chronic and acute inflammation. However, the role of DJ1 in atherosclerosis remains elusive. To assess the role of Dj1 in atherogenesis, we generated whole-body Dj1-deficient atherosclerosis-prone Apoe null mice (Dj1-/-Apoe-/-). After 21 weeks of atherogenic diet, Dj1-/- Apoe-/-mice were protected against atherosclerosis with significantly reduced plaque macrophage content. To assess whether haematopoietic or parenchymal Dj1 contributed to atheroprotection in Dj1-deficient mice, we performed bone-marrow (BM) transplantation and show that Dj1-deficient BM contributed to their attenuation in atherosclerosis. To assess cell-autonomous role of macrophage Dj1 in atheroprotection, BM-derived macrophages from Dj1-deficient mice and Dj1-silenced macrophages were assessed in response to oxidized low-density lipoprotein (oxLDL). In both cases, there was an enhanced anti-inflammatory response which may have contributed to atheroprotection in Dj1-deficient mice. There was also an increased trend of plasma DJ-1 levels from individuals with ischemic heart disease compared to those without. Our findings indicate an atheropromoting role of Dj1 and suggests that targeting Dj1 may provide a novel therapeutic avenue for atherosclerosis treatment or prevention.
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Affiliation(s)
- Tharini Sivasubramaniyam
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, M5G 2M9, Canada
| | - Jiaqi Yang
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Henry S Cheng
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Alexandra Zyla
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Angela Li
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Department of Immunology, University of Toronto, Toronto, ON, M5G 2M9, Canada
| | - Rickvinder Besla
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5G 2M9, Canada
| | - Idit Dotan
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Xavier S Revelo
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Sally Yu Shi
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Helen Le
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Stephanie A Schroer
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - David W Dodington
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Yoo Jin Park
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Min Jeong Kim
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Institute of Medical Research, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, 03181, Korea
| | - Daniella Febbraro
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, M5G 2M9, Canada
| | - Isabelle Ruel
- Research Institute of the McGill University Health Centre, Royal Victoria Hospital, Montreal, QC, H4A 3J1, Canada
| | - Jacques Genest
- Research Institute of the McGill University Health Centre, Royal Victoria Hospital, Montreal, QC, H4A 3J1, Canada.,Department of Medicine, McGill University, Royal Victoria Hospital, Montreal, QC, H4A 3J1, Canada
| | - Raymond H Kim
- Department of Medicine, University Health Network/Sinai Health System, University of Toronto, Toronto, ON, M5G 2C4, Canada
| | - Tak W Mak
- Department of Immunology, University of Toronto, Toronto, ON, M5G 2M9, Canada
| | - Daniel A Winer
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Department of Immunology, University of Toronto, Toronto, ON, M5G 2M9, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5G 2M9, Canada.,Department of Pathology, University Health Network, Toronto, M5G 2C4, Canada
| | - Clinton S Robbins
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada.,Department of Immunology, University of Toronto, Toronto, ON, M5G 2M9, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5G 2M9, Canada
| | - Minna Woo
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, M5G 2C4, Canada. .,Institute of Medical Science, University of Toronto, Toronto, ON, M5G 2M9, Canada. .,Department of Immunology, University of Toronto, Toronto, ON, M5G 2M9, Canada. .,Department of Medicine, University Health Network/Sinai Health System, University of Toronto, Toronto, ON, M5G 2C4, Canada. .,Division of Endocrinology and Metabolism, University Health Network/Sinai Health System, University of Toronto, Toronto, ON, M5G 2C4, Canada. .,MaRS Centre, Toronto Medical Discovery Tower, 101 College Street, 10th floor, Room 10-361, Toronto, ON, M5G 1L7, Canada.
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12
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Icariin Attenuates Monocrotaline-Induced Pulmonary Arterial Hypertension via the Inhibition of TGF- β1/Smads Pathway in Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9238428. [PMID: 33335559 PMCID: PMC7723481 DOI: 10.1155/2020/9238428] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 11/24/2020] [Indexed: 12/23/2022]
Abstract
Background Pulmonary artery remodeling is important in the development of pulmonary artery hypertension. The TGF-β1/Smads signaling pathway is activated in pulmonary arterial hypertension (PAH) in rats. Icariin (ICA) suppresses the TGF-β1/Smad2 pathway in myocardial fibrosis in rats. Therefore, we investigated the role of icariin in PAH by inhibiting the TGF-β1/Smads pathway. Methods Rats were randomly divided into control, monocrotaline (MCT), MCT + ICA-low, and MCT + ICA-high groups. MCT (60 mg/kg) was subcutaneously injected to induce PAH, and icariin (50 or 100 mg/kg.d) was orally administered for 2 weeks. At the end of the fourth week, right ventricular systolic pressure (RVSP) was obtained and the right ventricular hypertrophy index (RI) was determined as the ratio of the right ventricular weight to the left ventricular plus septal weight (RV/LV + S). Western blots were used to determine the expression of TGF-β1, Smad2/3, P-Smad2/3, and matrix metalloproteinase-2 (MMP2) in lung tissues. Results Compared to the control group, RVSP and RI were increased in the MCT group (ρ < 0.05). Additionally, TGF-β1, Smad2/3, P-Smad2/3, and MMP2 expressions were obviously increased (ρ < 0.01). Compared to the MCT group, RVSP and RI were decreased in the MCT + ICA group (ρ < 0.05). TGF-β1, Smad2/3, P-Smad2/3, and MMP2 expressions were also inhibited in the icariin treatment groups (ρ < 0.05). Conclusions. Icariin may suppress MCT-induced PAH via the inhibition of the TGFβ1-Smad2/3 pathway.
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13
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Li Z, Zhou J, Li Y, Yang F, Lian X, Liu W. Overexpression of DJ-1 alleviates autosomal dominant polycystic kidney disease by regulating cell proliferation, apoptosis, and mitochondrial metabolism in vitro and in vivo. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1175. [PMID: 33241024 PMCID: PMC7576093 DOI: 10.21037/atm-20-5761] [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] [Indexed: 12/02/2022]
Abstract
Background DJ-1 is critical for the mitochondrial function associated with autosomal dominant polycystic kidney disease (ADPKD). We aimed to investigate DJ-1’s function in the pathogenesis of ADPKD. Methods DJ-1 was knocked-down in IMCD3 cells to evaluate the effects of DJ-1 on cell phenotype and mitochondrial function in vitro. Furthermore, we generated three groups of mice with different expression levels of DJ-1 within an established ADPKD model: ADPKD, ADPKDpcDNA, and ADPKDpcDNA-DJ-1. Results DJ-1 knock-down significantly increased oxidative stress as well as the proliferation and apoptosis rate of IMCD3 cells, along with Bcl-2 down-regulation and the up-regulation of Ki67, PCNA, Bax, cleaved caspase-3, and cleaved caspase-9. DJ-1 knock-down suppressed the cellular respiration, Ca2+ absorption, and mitochondrial complex I activity in mitochondria. In vivo, we verified that DJ-1 was down-regulated in ADPKD models, and its overexpression attenuated the renal dysfunction in ADPKD models. The transgenic mice had a significantly smaller renal cyst and less interstitial fibrosis than control, accompanied byα-SMA, fibronectin, and TGF-β1 up-regulation. Moreover, in vivo results confirmed DJ-1 overexpression inhibited the proliferation and apoptosis of tubular epithelial cells along with down-regulation of Ki67, PCNA, p53, intracellular Cyt c, cleaved caspase-3, and cleaved caspase-9 and the up-regulation of Bcl-2. Conclusions DJ-1 was down-regulated in ADPKD models, and its overexpression may attenuate the renal dysfunction and pathological damage by regulating the proliferation, apoptosis, oxidative stress and mitochondrial metabolism, which may be mediated by the p53 signaling pathway.
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Affiliation(s)
- Zhongxin Li
- Department of Nephrology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Department of Nephrology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Jingjing Zhou
- Department of Nephrology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Yan Li
- Department of Nephrology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Fan Yang
- Department of Nephrology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Xiaoying Lian
- Department of Nephrology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Wenhu Liu
- Department of Nephrology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
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14
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Szpirer C. Rat models of human diseases and related phenotypes: a systematic inventory of the causative genes. J Biomed Sci 2020; 27:84. [PMID: 32741357 PMCID: PMC7395987 DOI: 10.1186/s12929-020-00673-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 07/09/2020] [Indexed: 12/13/2022] Open
Abstract
The laboratory rat has been used for a long time as the model of choice in several biomedical disciplines. Numerous inbred strains have been isolated, displaying a wide range of phenotypes and providing many models of human traits and diseases. Rat genome mapping and genomics was considerably developed in the last decades. The availability of these resources has stimulated numerous studies aimed at discovering causal disease genes by positional identification. Numerous rat genes have now been identified that underlie monogenic or complex diseases and remarkably, these results have been translated to the human in a significant proportion of cases, leading to the identification of novel human disease susceptibility genes, helping in studying the mechanisms underlying the pathological abnormalities and also suggesting new therapeutic approaches. In addition, reverse genetic tools have been developed. Several genome-editing methods were introduced to generate targeted mutations in genes the function of which could be clarified in this manner [generally these are knockout mutations]. Furthermore, even when the human gene causing a disease had been identified without resorting to a rat model, mutated rat strains (in particular KO strains) were created to analyze the gene function and the disease pathogenesis. Today, over 350 rat genes have been identified as underlying diseases or playing a key role in critical biological processes that are altered in diseases, thereby providing a rich resource of disease models. This article is an update of the progress made in this research and provides the reader with an inventory of these disease genes, a significant number of which have similar effects in rat and humans.
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Affiliation(s)
- Claude Szpirer
- Université Libre de Bruxelles, B-6041, Gosselies, Belgium.
- , Waterloo, Belgium.
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15
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Zhang W, Ma K, Han N. Probucol recovers pathological damage in viral Myocarditis through improvement of myocardium-related proteins. Microb Pathog 2020; 147:104257. [PMID: 32464304 DOI: 10.1016/j.micpath.2020.104257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/09/2020] [Accepted: 05/11/2020] [Indexed: 11/16/2022]
Abstract
This study explored the effects of probucol on myocardial injury, oxidative stress, and Cav-3 and Smad3 expression in myocardial tissues by establishing VMC rat models, in order to provide a basis for exploring the mechanism of probucol in treatment of VMC. Sixty rats were randomly divided into control group, model group, probucollowdose group, andprobucol highdose group, with 15 in each group. Except for the control group, rats in each group were intraperitoneally injected coxsackievirus B3 diluent (0.2 ml) to replicate VMC models every 4 days. The results showed that Caspase-3 and Caspase-9, myocardial enzymes, cTn I, and MDA levels in the model group significantly increased (P < 0.05), while the SOD level significantly decreased (P < 0.05); and after probucol treatment, Caspase-3 and Caspase-9, myocardial enzymes, cTn I and MDA levels significantly decreased (P < 0.05), and the SOD level significantly increased (P < 0.05). Compared with the control group, there was an increase in myocardial fibers with significant lesions in the model group, and the pathological scores and the mRNA and protein expression levels of Cav-3 and Smad3 in myocardial cells significantly increased (P < 0.05). Compared with the control group, the myocardial tissue lesions were improved in the probucol low dose group and highdose group, and the pathological scores and the mRNA and protein expression levels of Cav-3 and Smad3 in myocardial cells were significantly reduced (P < 0.05). In conclusion, probucol can significantly improve the pathological damage of myocardial tissue in VMC rats, and its mechanism may be related to improving the expression of myocardium-related proteins Caspase-3 and Caspase-9, inhibiting oxidative stress response, and down-regulating Cav-3 and Smad3 gene expression in myocardial tissue of VMC rats.
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Affiliation(s)
- Wei Zhang
- Department of Cardiology, Dongying People's Hospital, Dongying, shandong, 257091, China
| | - Kai Ma
- Department of Cardiology, Dongying People's Hospital, Dongying, shandong, 257091, China
| | - Naihua Han
- Department of Functional Division, Jinan Central Hospital, Jinan, shandong, 250013, China.
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16
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Zhang J, Xu M, Zhou W, Li D, Zhang H, Chen Y, Ning L, Zhang Y, Li S, Yu M, Chen Y, Zeng H, Cen L, Zhou T, Zhou X, Lu C, Yu C, Li Y, Sun J, Kong X, Shen Z. Deficiency in the anti-apoptotic protein DJ-1 promotes intestinal epithelial cell apoptosis and aggravates inflammatory bowel disease via p53. J Biol Chem 2020; 295:4237-4251. [PMID: 32075910 PMCID: PMC7105307 DOI: 10.1074/jbc.ra119.010143] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 02/11/2020] [Indexed: 12/31/2022] Open
Abstract
Parkinson disease autosomal recessive, early onset 7 (PARK7 or DJ-1) is involved in multiple physiological processes and exerts anti-apoptotic effects on multiple cell types. Increased intestinal epithelial cell (IEC) apoptosis and excessive activation of the p53 signaling pathway is a hallmark of inflammatory bowel disease (IBD), which includes ulcerative colitis (UC) and Crohn's disease (CD). However, whether DJ-1 plays a role in colitis is unclear. To determine whether DJ-1 deficiency is involved in the p53 activation that results in IEC apoptosis in colitis, here we performed immunostaining, real-time PCR, and immunoblotting analyses to assess DJ-1 expression in human UC and CD samples. In the inflamed intestines of individuals with IBD, DJ-1 expression was decreased and negatively correlated with p53 expression. DJ-1 deficiency significantly aggravated colitis, evidenced by increased intestinal inflammation and exacerbated IEC apoptosis. Moreover, DJ-1 directly interacted with p53, and reduced DJ-1 levels increased p53 levels both in vivo and in vitro and were associated with decreased p53 degradation via the lysosomal pathway. We also induced experimental colitis with dextran sulfate sodium in mice and found that compared with DJ-1-/- mice, DJ-1-/-p53-/- mice have reduced apoptosis and inflammation and increased epithelial barrier integrity. Furthermore, pharmacological inhibition of p53 relieved inflammation in the DJ-1-/- mice. In conclusion, reduced DJ-1 expression promotes inflammation and IEC apoptosis via p53 in colitis, suggesting that the modulation of DJ-1 expression may be a potential therapeutic strategy for managing colitis.
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Affiliation(s)
- Jie Zhang
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Min Xu
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Weihua Zhou
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Dejian Li
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Hong Zhang
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Yi Chen
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Longgui Ning
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Yuwei Zhang
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Sha Li
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Mengli Yu
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Yishu Chen
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Hang Zeng
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Li Cen
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Tianyu Zhou
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Xinxin Zhou
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Chao Lu
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Youming Li
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China.
| | - Jing Sun
- Department of Gastroenterology, Rui Jin Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200031, China.
| | - Xiaoni Kong
- Institute of Clinical Immunology, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China.
| | - Zhe Shen
- Department of Gastroenterology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China.
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17
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Zuniga-Hertz JP, Patel HH. The Evolution of Cholesterol-Rich Membrane in Oxygen Adaption: The Respiratory System as a Model. Front Physiol 2019; 10:1340. [PMID: 31736773 PMCID: PMC6828933 DOI: 10.3389/fphys.2019.01340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 10/08/2019] [Indexed: 12/14/2022] Open
Abstract
The increase in atmospheric oxygen levels imposed significant environmental pressure on primitive organisms concerning intracellular oxygen concentration management. Evidence suggests the rise of cholesterol, a key molecule for cellular membrane organization, as a cellular strategy to restrain free oxygen diffusion under the new environmental conditions. During evolution and the increase in organismal complexity, cholesterol played a pivotal role in the establishment of novel and more complex functions associated with lipid membranes. Of these, caveolae, cholesterol-rich membrane domains, are signaling hubs that regulate important in situ functions. Evolution resulted in complex respiratory systems and molecular response mechanisms that ensure responses to critical events such as hypoxia facilitated oxygen diffusion and transport in complex organisms. Caveolae have been structurally and functionally associated with respiratory systems and oxygen diffusion control through their relationship with molecular response systems like hypoxia-inducible factors (HIF), and particularly as a membrane-localized oxygen sensor, controlling oxygen diffusion balanced with cellular physiological requirements. This review will focus on membrane adaptations that contribute to regulating oxygen in living systems.
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Affiliation(s)
- Juan Pablo Zuniga-Hertz
- Department of Anesthesiology, VA San Diego Healthcare System, University of California, San Diego, San Diego, CA, United States
| | - Hemal H Patel
- Department of Anesthesiology, VA San Diego Healthcare System, University of California, San Diego, San Diego, CA, United States
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18
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Jiang Y, Zhou Y, Peng G, Liu N, Tian H, Pan D, Liu L, Yang X, Li C, Li W, Chen L, Ran P, Dai A. Topotecan prevents hypoxia-induced pulmonary arterial hypertension and inhibits hypoxia-inducible factor-1α and TRPC channels. Int J Biochem Cell Biol 2018; 104:161-170. [PMID: 30266526 DOI: 10.1016/j.biocel.2018.09.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 08/15/2018] [Accepted: 09/19/2018] [Indexed: 01/23/2023]
Abstract
BACKGROUND This study aimed to investigate the effects of topotecan (TPT) on the hypoxia-induced pulmonary arterial hypertension (PAH) in a rat model, and to explore the underlying mechanism. METHODS The experiments were carried out in vitro using rat PASMCs and in vivo using a rat model of hypoxia-induced PAH. RESULTS TPT significantly suppressed the hypoxia-induced upregulation of HIF-1α and TRPC1/4/6 expression both in pulmonary arterial smooth muscle cells (PASMCs) from normal rats and in pulmonary arteries from PAH model rats. Furthermore, TPT effectively inhibited intracellular Ca2+ concentration ([Ca2+]i) change (Ca2+ influx) in PASMCs from both normal rats and PAH model rats. Importantly, TPT treatment significantly inhibited the hypoxia-induced proliferation, migration and a contractile-to-synthetic phenotypic switching of normal rat PASMCs in vitro, where the effect was abrogated by overexpression of TRPC1/4/6. Furthermore, TPT administration potently attenuated the hypoxia-induced PAH-associated pulmonary arteriolar remodeling in PAH model rats, as evidenced by amelioration of elevated hemodynamic parameters, and enhanced right ventricle hypertrophy and wall thickening. CONCLUSION TPT ameliorates the hypoxia-induced pulmonary vascular remodeling in PAH, and the mechanism is associated with TPT-mediated inhibition of hypoxia-induced upregulation of HIF-1α and TRPC1/4/6 expression, Ca2+ influx, and PASMCs proliferation.
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Affiliation(s)
- Yongliang Jiang
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Yumin Zhou
- State Key Lab of Respiratory Diseases, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, PR China
| | - Gongyong Peng
- State Key Lab of Respiratory Diseases, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, PR China
| | - Nian Liu
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Heshen Tian
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Dan Pan
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Lei Liu
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Xing Yang
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Chao Li
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Wen Li
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Ling Chen
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China
| | - Pixin Ran
- State Key Lab of Respiratory Diseases, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, PR China.
| | - Aiguo Dai
- Respiratory Medicine, Hunan Provincial People's Hospital, Changsha, PR China; Institute of Respiratory Medicine, Changsha Medical College, Changsha, PR China.
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19
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Zhang Y, Li Y, Han X, Dong X, Yan X, Xing Q. Elevated expression of DJ-1 (encoded by the human PARK7 gene) protects neuronal cells from sevoflurane-induced neurotoxicity. Cell Stress Chaperones 2018; 23:967-974. [PMID: 29728856 PMCID: PMC6111095 DOI: 10.1007/s12192-018-0904-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 04/18/2018] [Accepted: 04/19/2018] [Indexed: 01/08/2023] Open
Abstract
Sevoflurane, an inhaled ether general anesthetic agent, exerts a variety of neurotoxic effects, including oxidative stress, mitochondrial dysfunction, and neuronal apoptosis. However, the underlying molecular mechanisms remain to be elucidated. DJ-1 is a protein that exerts neuroprotective effects against different kinds of stress through multiple pathways. This study aimed to investigate the neuroprotective effects of DJ-1 against sevoflurane-induced neurotoxicity. Here, we found that sevoflurane treatment significantly increased DJ-1 expression in human neuroblastoma M17 cells in a dose-dependent manner at both the mRNA and protein levels. Interestingly, we found that overexpression of wild-type (WT) DJ-1 prevented sevoflurane-induced generation of reactive oxygen species (ROS) and nitric oxide (NO), deletion of reduced GSH, reduction of adenosine triphosphate (ATP), and mitochondrial membrane potential. Interestingly, we found that WT DJ-1 could inhibit sevoflurane-induced apoptosis by modulating the mitochondrial pathway. However, its "loss of function" mutation DJ-1(L166P) exacerbated sevoflurane-induced neurotoxicity in M17 cells. Our findings suggest that WT DJ-1 protects neuronal cells against sevoflurane-induced neurotoxicity.
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Affiliation(s)
- Yajie Zhang
- Department of Anesthesiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 Jinghua Road, Jianxi District, Luoyang, 471003, Henan, China
| | - Yu Li
- Department of Anesthesiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 Jinghua Road, Jianxi District, Luoyang, 471003, Henan, China
| | - Xuechang Han
- Department of Anesthesiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 Jinghua Road, Jianxi District, Luoyang, 471003, Henan, China
| | - Xu Dong
- Department of Anesthesiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 Jinghua Road, Jianxi District, Luoyang, 471003, Henan, China
| | - Xiangbiao Yan
- Department of Anesthesiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 Jinghua Road, Jianxi District, Luoyang, 471003, Henan, China
| | - Qunzhi Xing
- Department of Anesthesiology, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 Jinghua Road, Jianxi District, Luoyang, 471003, Henan, China.
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20
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Jing X, Jiang T, Dai L, Wang X, Jia L, Wang H, An L, Liu M, Zhang R, Cheng Z. Hypoxia-induced autophagy activation through NF-κB pathway regulates cell proliferation and migration to induce pulmonary vascular remodeling. Exp Cell Res 2018; 368:174-183. [DOI: 10.1016/j.yexcr.2018.04.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/25/2018] [Accepted: 04/25/2018] [Indexed: 01/17/2023]
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