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Hsieh CC, Yi TK, Kao YF, Lin SP, Tu MC, Chou YC, Lu JJ, Chai HJ, Cheng KC. Comparative Efficacy of Botryocladia leptopoda Extracts in Scar Inhibition and Skin Regeneration: A Study on UV Protection, Collagen Synthesis, and Fibroblast Proliferation. Molecules 2024; 29:5688. [PMID: 39683847 DOI: 10.3390/molecules29235688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2024] [Revised: 11/22/2024] [Accepted: 11/29/2024] [Indexed: 12/18/2024] Open
Abstract
Botryocladia leptopoda is a red macroalga known for its bioactive compounds with antioxidant, anti-inflammatory, and skin-regenerative properties. The study aimed to examine their effects on UV protection, collagen synthesis, fibroblast proliferation, and pigmentation modulation. Bioactive compounds were extracted using two solvents, producing ethanol extract (FE) and alkaline extracts (AE). Methods involved characterizing extracts using mass spectrometry and assessing their effects on human fibroblasts under UVB-induced damage. UV absorbance, ROS production, and collagen synthesis were evaluated. The FE extract, which comprised 4-hydroxyquinoline, phytosphingosine, and docosapentaenoic acid, reinstated procollagen type I synthesis to 113% of baseline levels and reduced TGF-β1-mediated fibroblast proliferation to 87.78%. FE also suppressed Smad2 and α-SMA by 71% and 68%, respectively, indicating modulation of fibrosis-associated pathways. AE, containing 4-hydroxyquinoline and phenylalanine betaine, demonstrated dose-responsive cellular repair, reducing fibroblast proliferation to 97.86% and collagen Type I expression by 73% at 1000 μg/mL. Both extracts decreased ROS production, with FE and AE reducing levels by 21.4% and 19.7%, respectively, under UVB-induced oxidative stress. FE showed superior scar inhibition, while AE excelled in skin regeneration and pigmentation management.
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Affiliation(s)
- Chen-Che Hsieh
- Department of Seafood Science, National Kaohsiung University of Science and Technology, No. 142, Haijhuan Rd., Nanzih District, Kaohsiung 81157, Taiwan
| | - Tsung-Kai Yi
- Seafood Technology Division, Fisheries Research Institute, Ministry of Agriculture, Keelung 20246, Taiwan
| | - Yi-Feng Kao
- Seafood Technology Division, Fisheries Research Institute, Ministry of Agriculture, Keelung 20246, Taiwan
| | - Shin-Ping Lin
- School of Food Safety, Taipei Medical University, Taipei 11042, Taiwan
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing Street, Taipei 11031, Taiwan
- Research Center of Biomedical Device, Taipei Medical University, 250 Wu-Hsing Street, Taipei 11031, Taiwan
- TMU Research Center for Digestive Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei 11031, Taiwan
| | - Ming-Chieh Tu
- Seafood Technology Division, Fisheries Research Institute, Ministry of Agriculture, Keelung 20246, Taiwan
| | - Yu-Chieh Chou
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 250 Wu-Hsing Street, Taipei 11031, Taiwan
| | - Jheng-Jhe Lu
- Institute of Biotechnology, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan
| | - Huey-Jine Chai
- Seafood Technology Division, Fisheries Research Institute, Ministry of Agriculture, Keelung 20246, Taiwan
| | - Kuan-Chen Cheng
- Institute of Biotechnology, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan
- Institute of Food Science and Technology, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan
- Department of Optometry, Asia University, 500, Lioufeng Rd., Wufeng, Taichung 413, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, 91, Hsueh-Shih Road, Taichung 404, Taiwan
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Masenga SK, Desta S, Hatcher M, Kirabo A, Lee DL. How PPAR-alpha mediated inflammation may affect the pathophysiology of chronic kidney disease. Curr Res Physiol 2024; 8:100133. [PMID: 39665027 PMCID: PMC11629568 DOI: 10.1016/j.crphys.2024.100133] [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: 06/06/2024] [Revised: 10/03/2024] [Accepted: 11/12/2024] [Indexed: 12/13/2024] Open
Abstract
Chronic kidney disease (CKD) is a major risk factor for death in adults. Inflammation plays a role in the pathogenesis of CKD, but the mechanisms are poorly understood. Peroxisome proliferator-activated receptor alpha (PPAR-α) is a nuclear receptor and one of the three members (PPARα, PPARβ/δ, and PPARγ) of the PPARs that plays an important role in ameliorating pathological processes that accelerate acute and chronic kidney disease. Although other PPARs members are well studied, the role of PPAR-α is not well described and its role in inflammation-mediated chronic disease is not clear. Herein, we review the role of PPAR-α in chronic kidney disease with implications for the immune system.
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Affiliation(s)
- Sepiso K. Masenga
- HAND Research Group, School of Medicine and Health Sciences, Mulungushi University, Livingstone Campus, Zambia
- Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Selam Desta
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Physiology and Biophysics, College of Medicine, Howard University, Washington, DC, USA
| | - Mark Hatcher
- Department of Physiology and Biophysics, College of Medicine, Howard University, Washington, DC, USA
| | - Annet Kirabo
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, TN, USA
- Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, TN, USA
- Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dexter L. Lee
- Department of Physiology and Biophysics, College of Medicine, Howard University, Washington, DC, USA
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An HY, Lee TJ, Shin MR, Choi JW, Kim MJ, Jeong IH, Jung J, Roh SS. Efficacy Evaluation of Gardenia Fructus and Uncaria rhynchophylla Mixture in Liver-Fibrosis Models. JOURNAL OF THE KOREAN SOCIETY OF FOOD SCIENCE AND NUTRITION 2024; 53:992-1006. [DOI: 10.3746/jkfn.2024.53.10.992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 09/03/2024] [Accepted: 09/12/2024] [Indexed: 01/05/2025]
Affiliation(s)
- Hui Yeon An
- Department of Herbology, College of Korean Medicine, Daegu Haany University
| | - Tae Jong Lee
- Department of Herbology, College of Korean Medicine, Daegu Haany University
| | - Mi-Rae Shin
- Department of Herbology, College of Korean Medicine, Daegu Haany University
| | - Jeong Won Choi
- Department of Forest Science, Andong National University
| | - Min Ju Kim
- Department of Herbology, College of Korean Medicine, Daegu Haany University
- Research Center for Herbal Convergence on Liver Disease, Daegu Haany University
| | - Il-Ha Jeong
- Department of Herbology, College of Korean Medicine, Daegu Haany University
| | - JiWon Jung
- Department of Herbology, College of Korean Medicine, Daegu Haany University
- Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University
| | - Seong-Soo Roh
- Department of Herbology, College of Korean Medicine, Daegu Haany University
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Pan H, Zhao Z, Zhu Y, Gao Y, Ruan H, Huang Y, Chi P, Huang S. Combining proteomics and Phosphoproteomics to investigate radiation-induced rectal fibrosis in rats and the effects of pSTAT3 inhibitor S3I-201 on human intestinal fibroblasts. J Proteomics 2024; 308:105287. [PMID: 39173903 DOI: 10.1016/j.jprot.2024.105287] [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: 02/19/2024] [Revised: 08/02/2024] [Accepted: 08/19/2024] [Indexed: 08/24/2024]
Abstract
OBJECTIVE To investigate the regulatory mechanisms of radiation-induced rectal fibrosis (RIRF) and assess the therapeutic potential of S3I-201. METHODS Sprague-Dawley rats were divided into control and radiation groups, with the latter exposed to 20 Gray pelvic X-rays. After 10 weeks, rectal tissues were analyzed using tandem mass tag (TMT) proteomics and phosphoproteomics. Pathway enrichment was performed via Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses, with secondary annotation using Cluego. Representative proteins and their phosphorylated counterparts were validated through immunoblotting in another cohort. STAT3 levels in rectal tissues from irradiated and non-irradiated colorectal cancer patients were examined, and the effects of S3I-201 on human rectal fibroblasts were evaluated. RESULTS The radiation group showed significant inflammatory responses and collagen deposition in the rat rectal walls. Enrichment analysis revealed that radiation-induced proteins and phosphoproteins were primarily involved in extracellular matrix-receptor interaction and the MAPK signaling pathway. Immunoblotting indicated increased expression of p-CAMKII, p-MRACKS, p-Cfl1, p-Myl9, and p-STAT3 in the radiation group compared to the control, while p-AKT1 expression decreased. Elevated phosphorylation of STAT3 was observed in submucosal fibroblasts of the post-radiation human rectum. S3I-201 specifically inhibited STAT3 phosphorylation and suppressed activation of human rectal fibroblasts, also inhibiting the pro-fibrotic effects of the classical TGF-β/Smad/CTGF pathway. CONCLUSION By integrating phosphoproteomics and proteomics, this study elucidated the protein regulatory network of RIRF and identified the potential therapeutic targets, including phosphoproteins such as STAT3 in managing RIRF. SIGNIFICANCE In our research, we employed TMT labeling alongside LC-MS/MS techniques to comprehensively explore the proteomic and phosphoproteomic landscapes in rat models of radiation-induced intestinal fibrosis (RIRF). Our analysis revealed the function and pathways of proteins and phosphorylated proteins triggered by radiation, as well as those with protective roles. We mapped a network of interactions among these proteins and validated key protein expression levels using quantitative methods. Furthermore, we investigated STAT3 as a potential therapeutic target, assessing the efficacy of the inhibitor S3I-201 in laboratory settings, and highlighting its potential for RIRF treatment. Overall, our findings provide groundbreaking insights into the mechanisms underlying RIRF, paving the way for the development of future antifibrotic therapies.
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Affiliation(s)
- Hongfeng Pan
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Zeyi Zhao
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yuanchang Zhu
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yihuang Gao
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Haoyang Ruan
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Ying Huang
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
| | - Pan Chi
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
| | - Shenghui Huang
- Department of Colorectal Surgery, Fujian Medical University Union Hospital, Fuzhou, China; Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
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Zhao J, Yue P, Mi N, Li M, Fu W, Zhang X, Gao L, Bai M, Tian L, Jiang N, Lu Y, Ma H, Dong C, Zhang Y, Zhang H, Zhang J, Ren Y, Suzuki A, Wong PF, Tanaka K, Rerknimitr R, Junger HH, Cheung TT, Melloul E, Demartines N, Leung JW, Yao J, Yuan J, Lin Y, Schlitt HJ, Meng W. Biliary fibrosis is an important but neglected pathological feature in hepatobiliary disorders: from molecular mechanisms to clinical implications. MEDICAL REVIEW (2021) 2024; 4:326-365. [PMID: 39135601 PMCID: PMC11317084 DOI: 10.1515/mr-2024-0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/06/2024] [Indexed: 08/15/2024]
Abstract
Fibrosis resulting from pathological repair secondary to recurrent or persistent tissue damage often leads to organ failure and mortality. Biliary fibrosis is a crucial but easily neglected pathological feature in hepatobiliary disorders, which may promote the development and progression of benign and malignant biliary diseases through pathological healing mechanisms secondary to biliary tract injuries. Elucidating the etiology and pathogenesis of biliary fibrosis is beneficial to the prevention and treatment of biliary diseases. In this review, we emphasized the importance of biliary fibrosis in cholangiopathies and summarized the clinical manifestations, epidemiology, and aberrant cellular composition involving the biliary ductules, cholangiocytes, immune system, fibroblasts, and the microbiome. We also focused on pivotal signaling pathways and offered insights into ongoing clinical trials and proposing a strategic approach for managing biliary fibrosis-related cholangiopathies. This review will offer a comprehensive perspective on biliary fibrosis and provide an important reference for future mechanism research and innovative therapy to prevent or reverse fibrosis.
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Affiliation(s)
- Jinyu Zhao
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Ping Yue
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Ningning Mi
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Matu Li
- Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Wenkang Fu
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Xianzhuo Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Long Gao
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Mingzhen Bai
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Liang Tian
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Ningzu Jiang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yawen Lu
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Haidong Ma
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Chunlu Dong
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yong Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Hengwei Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Jinduo Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yanxian Ren
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Azumi Suzuki
- Department of Gastroenterology, Hamamatsu Medical Center, Hamamatsu, Japan
| | - Peng F. Wong
- Department of Vascular Surgery, The James Cook University Hospital, Middlesbrough, UK
| | - Kiyohito Tanaka
- Department of Gastroenterology, Kyoto Second Red Cross Hospital, Kyoto, Japan
| | - Rungsun Rerknimitr
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn, Bangkok, Thailand
- Excellence Center for Gastrointestinal Endoscopy, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Henrik H. Junger
- Department of Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - Tan T. Cheung
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Emmanuel Melloul
- Department of Visceral Surgery, Lausanne University Hospital CHUV, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Nicolas Demartines
- Department of Visceral Surgery, Lausanne University Hospital CHUV, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Joseph W. Leung
- Division of Gastroenterology and Hepatology, UC Davis Medical Center and Sacramento VA Medical Center, Sacramento, CA, USA
| | - Jia Yao
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu, China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, China
| | - Jinqiu Yuan
- Clinical Research Center, Big Data Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Yanyan Lin
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Hans J. Schlitt
- Department of Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - Wenbo Meng
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
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Kraik K, Tota M, Laska J, Łacwik J, Paździerz Ł, Sędek Ł, Gomułka K. The Role of Transforming Growth Factor-β (TGF-β) in Asthma and Chronic Obstructive Pulmonary Disease (COPD). Cells 2024; 13:1271. [PMID: 39120302 PMCID: PMC11311642 DOI: 10.3390/cells13151271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/14/2024] [Accepted: 07/26/2024] [Indexed: 08/10/2024] Open
Abstract
Asthma and chronic obstructive pulmonary disease (COPD) represent chronic inflammatory respiratory disorders that, despite having distinct pathophysiological underpinnings, both feature airflow obstruction and respiratory symptoms. A critical component in the pathogenesis of each condition is the transforming growth factor-β (TGF-β), a multifunctional cytokine that exerts varying influences across these diseases. In asthma, TGF-β is significantly involved in airway remodeling, a key aspect marked by subepithelial fibrosis, hypertrophy of the smooth muscle, enhanced mucus production, and suppression of emphysema development. The cytokine facilitates collagen deposition and the proliferation of fibroblasts, which are crucial in the structural modifications within the airways. In contrast, the role of TGF-β in COPD is more ambiguous. It initially acts as a protective agent, fostering tissue repair and curbing inflammation. However, prolonged exposure to environmental factors such as cigarette smoke causes TGF-β signaling malfunction. Such dysregulation leads to abnormal tissue remodeling, marked by excessive collagen deposition, enlargement of airspaces, and, thus, accelerated development of emphysema. Additionally, TGF-β facilitates the epithelial-to-mesenchymal transition (EMT), a process contributing to the phenotypic alterations observed in COPD. A thorough comprehension of the multifaceted role of TGF-β in asthma and COPD is imperative for elaborating precise therapeutic interventions. We review several promising approaches that alter TGF-β signaling. Nevertheless, additional studies are essential to delineate further the specific mechanisms of TGF-β dysregulation and its potential therapeutic impacts in these chronic respiratory diseases.
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Affiliation(s)
- Krzysztof Kraik
- Student Scientific Group of Internal Medicine and Allergology, Clinical Department of Allergology and Internal Diseases, Institute of Internal Diseases, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Maciej Tota
- Student Scientific Group of Internal Medicine and Allergology, Clinical Department of Allergology and Internal Diseases, Institute of Internal Diseases, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Julia Laska
- Student Scientific Group of Microbiology and Immunology, Department of Microbiology and Immunology, Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
| | - Julia Łacwik
- Student Scientific Group of Microbiology and Immunology, Department of Microbiology and Immunology, Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
| | - Łukasz Paździerz
- Student Scientific Group of Internal Medicine and Allergology, Clinical Department of Allergology and Internal Diseases, Institute of Internal Diseases, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Łukasz Sędek
- Department of Microbiology and Immunology, Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
| | - Krzysztof Gomułka
- Clinical Department of Allergology and Internal Diseases, Institute of Internal Diseases, Wroclaw Medical University, 50-369 Wrocław, Poland
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Sun Y, Dong Y, Cui X, Guo X, Zhang J, Yu C, Zhang M, Wang H. Effects of Marine Natural Products on Liver Diseases. Mar Drugs 2024; 22:288. [PMID: 39057397 PMCID: PMC11278422 DOI: 10.3390/md22070288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/11/2024] [Accepted: 06/20/2024] [Indexed: 07/28/2024] Open
Abstract
The prevention and treatment of liver disease, a class of disease that seriously threatens human health, has always been a hot topic of medical research. In recent years, with the in-depth exploration of marine resources, marine natural products have shown great potential and value in the field of liver disease treatment. Compounds extracted and isolated from marine natural products have a variety of biological activities such as significant antiviral properties, showing potential in the management of alcoholic liver disease (ALD) and non-alcoholic fatty liver disease (NAFLD), protection of the liver from fibrosis, protection from liver injury and inhibition of the growth of hepatocellular carcinoma (HCC). This paper summarizes the progress of research on marine natural products for the treatment of liver diseases in the past decade, including the structural types of active substances from different natural products and the mechanisms underlying the modulation of different liver diseases and reviews their future prospects.
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Affiliation(s)
- Yandi Sun
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
| | - Yansong Dong
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
| | - Xiaohang Cui
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
| | - Xiaohe Guo
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
| | - Juan Zhang
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
| | - Chong Yu
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
| | - Man Zhang
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang 110016, China;
| | - Haifeng Wang
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; (Y.S.); (Y.D.); (X.C.); (X.G.); (J.Z.); (C.Y.)
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning 530007, China
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Xin X, Liu H, Zhang S, Li P, Zhao X, Zhang X, Li S, Wu S, Zhao F, Tan J. S100A8/A9 promotes endometrial fibrosis via regulating RAGE/JAK2/STAT3 signaling pathway. Commun Biol 2024; 7:116. [PMID: 38253716 PMCID: PMC10803310 DOI: 10.1038/s42003-024-05814-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Intrauterine adhesion (IUA) is characterized by endometrial fibrosis. S100A8/A9 plays an important role in inflammation and fibroblast activation. However, the role of S100A8/A9 in IUA remains unclear. In this study, we collect normal and IUA endometrium to verify the expression of S100A8/A9. Human endometrial stromal cells (hEnSCs) are isolated to evaluate fibrosis progression after S100A8/A9 treatment. A porcine IUA model is established by electrocautery injury to confirm the therapeutic effect of menstrual blood-derived stromal cells (MenSCs) on IUA. Our study reveals increased S100A8/A9 expression in IUA endometrium. S100A8/A9 significantly enhances hEnSCs proliferation and upregulates fibrosis-related and inflammation-associated markers. Furthermore, S100A8/A9 induces hEnSCs fibrosis through the RAGE-JAK2-STAT3 pathway. Transplantation of MenSCs in a porcine IUA model notably enhances angiogenesis, mitigates endometrial fibrosis and downregulates S100A8/A9 expression. In summary, S100A8/A9 induces hEnSCs fibrosis via the RAGE-JAK2-STAT3 pathway, and MenSCs exhibit marked effects on endometrial restoration in the porcine IUA model.
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Affiliation(s)
- Xing Xin
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Hao Liu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China
- Key Laboratory of Minimally Invasive Surgical Robot, Liaoning Province, Shenyang, China
| | - Siwen Zhang
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Pingping Li
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Xinyang Zhao
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Xudong Zhang
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Shuyu Li
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Shanshan Wu
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China
| | - Fujie Zhao
- Obstetrics and Gynecology Department, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Heping District, 110022, Shenyang, China
| | - Jichun Tan
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China.
- Key Laboratory of Reproductive Dysfunction Disease and Fertility Remodeling of Liaoning Province, No. 39 Huaxiang Road, Tiexi District, 110022, Shenyang, China.
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9
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Ghafouri‐Fard S, Askari A, Shoorei H, Seify M, Koohestanidehaghi Y, Hussen BM, Taheri M, Samsami M. Antioxidant therapy against TGF-β/SMAD pathway involved in organ fibrosis. J Cell Mol Med 2024; 28:e18052. [PMID: 38041559 PMCID: PMC10826439 DOI: 10.1111/jcmm.18052] [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: 05/15/2023] [Revised: 11/01/2023] [Accepted: 11/14/2023] [Indexed: 12/03/2023] Open
Abstract
Fibrosis refers to excessive build-up of scar tissue and extracellular matrix components in different organs. In recent years, it has been revealed that different cytokines and chemokines, especially Transforming growth factor beta (TGF-β) is involved in the pathogenesis of fibrosis. It has been shown that TGF-β is upregulated in fibrotic tissues, and contributes to fibrosis by mediating pathways that are related to matrix preservation and fibroblasts differentiation. There is no doubt that antioxidants protect against different inflammatory conditions by reversing the effects of nitrogen, oxygen and sulfur-based reactive elements. Oxidative stress has a direct impact on chronic inflammation, and as results, prolonged inflammation ultimately results in fibrosis. Different types of antioxidants, in the forms of vitamins, natural compounds or synthetic ones, have been proven to be beneficial in the protection against fibrotic conditions both in vitro and in vivo. In this study, we reviewed the role of different compounds with antioxidant activity in induction or inhibition of TGF-β/SMAD signalling pathway, with regard to different fibrotic conditions such as gastro-intestinal fibrosis, cardiac fibrosis, pulmonary fibrosis, skin fibrosis, renal fibrosis and also some rare cases of fibrosis, both in animal models and cell lines.
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Affiliation(s)
- Soudeh Ghafouri‐Fard
- Department of Medical Genetics, School of MedicineShahid Beheshti University of Medical SciencesTehranIran
| | - Arian Askari
- Phytochemistry Research CenterShahid Beheshti University of Medical SciencesTehranIran
| | - Hamed Shoorei
- Cellular and Molecular Research CenterBirjand University of Medical SciencesBirjandIran
- Clinical Research Development Unit of Tabriz Valiasr HospitalTabriz University of Medical SciencesTabrizIran
| | - Mohammad Seify
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences InstituteShahid Sadoughi University of Medical SciencesYazdIran
| | - Yeganeh Koohestanidehaghi
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences InstituteShahid Sadoughi University of Medical SciencesYazdIran
| | - Bashdar Mahmud Hussen
- Department of Clinical Analysis, College of PharmacyHawler Medical UniversityErbilIraq
| | - Mohammad Taheri
- Institute of Human GeneticsJena University HospitalJenaGermany
- Urology and Nephrology Research CenterShahid Beheshti University of Medical SciencesTehranIran
| | - Majid Samsami
- Cancer Research Center, Loghman Hakim HospitalShahid Beheshti University of Medical SciencesTehranIran
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10
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Kiran NS, Yashaswini C, Chatterjee A. Noxious ramifications of cosmetic pollutants on gastrointestinal microbiome: A pathway to neurological disorders. Life Sci 2024; 336:122311. [PMID: 38043908 DOI: 10.1016/j.lfs.2023.122311] [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: 08/04/2023] [Revised: 11/10/2023] [Accepted: 11/24/2023] [Indexed: 12/05/2023]
Abstract
On exposure to cosmetic pollutants, gastrointestinal dysbiosis, which is characterised by a disturbance in the gut microbiota, has come into focus as a possible contributor to the occurrence of neurotoxic consequences. It is normal practice to use personal care products that include parabens, phthalates, sulphates, triclosans/triclocarbans and micro/nano plastics. These substances have been found in a variety of bodily fluids and tissues, demonstrating their systemic dispersion. Being exposed to these cosmetic pollutants has been linked in recent research to neurotoxicity, including cognitive decline and neurodevelopmental problems. A vital part of sustaining gut health and general well-being is the gut flora. Increased intestinal permeability, persistent inflammation, and impaired metabolism may result from disruption of the gut microbial environment, which may in turn contribute to neurotoxicity. The link between gastrointestinal dysbiosis and the neurotoxic effects brought on by cosmetic pollutants may be explained by a number of processes, primarily the gut-brain axis. For the purpose of creating preventative and therapeutic measures, it is crucial to comprehend the intricate interactions involving cosmetic pollutants, gastrointestinal dysbiosis, and neurotoxicity. This review provides an in-depth understanding of the various hazardous cosmetic pollutants and its potential role in the occurrence of neurological disorders via gastrointestinal dysbiosis, providing insights into various described and hypothetical mechanisms regarding the complex toxic effects of these industrial pollutants.
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Affiliation(s)
- Neelakanta Sarvashiva Kiran
- Department of Biotechnology, School of Applied Sciences, REVA University, Kattigenahalli, Yelahanka, Bangalore, Karnataka 560064, India
| | - Chandrashekar Yashaswini
- Department of Biotechnology, School of Applied Sciences, REVA University, Kattigenahalli, Yelahanka, Bangalore, Karnataka 560064, India
| | - Ankita Chatterjee
- Department of Biotechnology, School of Applied Sciences, REVA University, Kattigenahalli, Yelahanka, Bangalore, Karnataka 560064, India.
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11
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Verma S, Ishteyaque S, Washimkar KR, Verma S, Nilakanth Mugale M. Mitochondrial-mediated nuclear remodeling and macrophage polarizations: A key switch from liver fibrosis to HCC progression. Exp Cell Res 2024; 434:113878. [PMID: 38086504 DOI: 10.1016/j.yexcr.2023.113878] [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: 07/28/2023] [Revised: 10/24/2023] [Accepted: 12/03/2023] [Indexed: 12/17/2023]
Abstract
Liver fibrosis is a significant health burden worldwide and has emerged as the leading cause of Hepatocellular carcinoma (HCC) incidence. Mitochondria are the dynamic organelles that regulate the differentiation, survival, and polarization of macrophages. Nuclear-DNA-associated proteins, micro-RNAs, as well as macrophage polarization are essential for maintaining intracellular and extra-cellular homeostasis in the liver parenchyma. Dysregulated mitochondrial coding genes (ETS complexes I, II, III, IV, and V), non-coding RNAs (mitomiRs), and nuclear alteration lead to the production of reactive oxygen species (ROS) and inflammation which are implicated in the transition of liver fibrosis into HCC. Recent findings indicated the protecting effect of E74-like factor 3/peroxisome proliferator-activated receptor-γ (Elf-3/PPAR-γ). HDAR-y inhibits the deacetylation of PPAR-y and maintains the PPAR-y pathway. Elf-3 plays a tumor suppressive role through epithelial-mesenchymal transition-related gene and zinc finger E-box binding homeobox 2 (ZEB-2) domain. Additionally, the development of HCC includes the PI3K/Akt/mTOR and transforming Growth Factor β (TGF-β) pathway that promotes the Epithelial-mesenchymal transition (EMT) through Smad/Snail/Slug signaling cascade. In contrast, the TLR2/NOX2/autophagy axis promotes M2 polarization in HCC. Thus, a thorough understanding of the mitochondrial and nuclear reciprocal relationship related to macrophage polarization could provide new research opportunities concerning diseases with a significant impact on liver parenchyma towards developing liver fibrosis or liver cancer. Moreover, this knowledge can be used to develop new therapeutic strategies to treat liver diseases.
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Affiliation(s)
- Shobhit Verma
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sharmeen Ishteyaque
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Kaveri R Washimkar
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Smriti Verma
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Madhav Nilakanth Mugale
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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12
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Lu SY, Tan K, Zhong S, Cheong KL. Marine algal polysaccharides as future potential constituents against non-alcoholic steatohepatitis. Int J Biol Macromol 2023; 250:126247. [PMID: 37562483 DOI: 10.1016/j.ijbiomac.2023.126247] [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: 04/19/2023] [Revised: 07/14/2023] [Accepted: 08/07/2023] [Indexed: 08/12/2023]
Abstract
Non-alcoholic steatohepatitis (NASH) is one of the most chronic and incurable liver diseases triggered mainly by an inappropriate diet and hereditary factors which burden liver metabolic stress, and may result in liver fibrosis or even cancer. While the available drugs show adverse side effects. The non-toxic bioactive molecules derived from natural resources, particularly marine algal polysaccharides (MAPs), present significant potential for treating NASH. In this review, we summarized the protective effects of MAPs on NASH from multiple perspectives, including reducing oxidative stress, regulating lipid metabolism, enhancing immune function, preventing fibrosis, and providing cell protection. Furthermore, the mechanisms of MAPs in treating NASH were comprehensively described. Additionally, we highlight the influences of the special structures of MAPs on their bioactive differences. Through this comprehensive review, we aim to further elucidate the molecular mechanisms of MAPs in NASH and inspire insights for deeper research on the functional food and clinical applications of MAPs.
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Affiliation(s)
- Si-Yuan Lu
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Ocean University, Zhanjiang, China; Guangdong Provincial Key Laboratory of Marine Biotechnology, Department of Biology, College of Science, Shantou University, Guangdong, China
| | - Karsoon Tan
- Guangxi Key Laboratory of Beibu Gulf Biodiversity Conservation, Beibu Gulf University, Qinzhou, Guangxi, China.
| | - Saiyi Zhong
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Ocean University, Zhanjiang, China.
| | - Kit-Leong Cheong
- College of Food Science and Technology, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Ocean University, Zhanjiang, China; Guangdong Provincial Key Laboratory of Marine Biotechnology, Department of Biology, College of Science, Shantou University, Guangdong, China.
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13
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Li S, Wang R, Song F, Chen P, Gu Y, Chen C, Yuan Y. Salvianolic acid A suppresses CCl 4-induced liver fibrosis through regulating the Nrf2/HO-1, NF-κB/IκBα, p38 MAPK, and JAK1/STAT3 signaling pathways. Drug Chem Toxicol 2023; 46:304-313. [PMID: 35057680 DOI: 10.1080/01480545.2022.2028822] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Salvianolic acid A (SA-A), a water-soluble compound extracted from traditional Chinese herb Radix Salvia miltiorrhiza, has anti-fibrotic effects on carbon tetrachloride (CCl4)-induced liver fibrosis. However, the underlying molecular mechanism remains unclear. Thus, this study aimed to elucidate the molecular mechanism underlying the anti-fibrotic effects of SA-A on CCl4-induced liver fibrosis in mice. All mice (except control group) were intraperitoneally administered CCl4 dissolved in peanut oil to induce liver fibrosis. Treatment groups were then gavaged with SA-A (20 or 40 mg/kg). The liver function index; liver fibrosis index; and superoxide dismutase (SOD), malondialdehyde (MDA), and glutathione peroxidase (GSH-Px) levels were determined. Furthermore, histopathological changes in liver tissues were observed via hematoxylin-eosin and Masson's trichrome staining. The expression of α-smooth muscle actin (α-SMA) and collagen I was detected using immunofluorescence, and the mRNA levels of inflammatory factors were determined using quantitative polymerase chain reaction. Finally, western blotting and immunofluorescence were used to determine the expression levels of proteins related to Nrf2/HO-1, NF-κB/IκBα, p38 MAPK, and JAK1/STAT3 signaling pathways. The results showed that SA-A could ameliorate CCl4-induced liver injury and liver fibrosis, improve morphology, and alleviate collagen deposition in the fibrotic liver. Moreover, SA-A could regulate the Nrf2/HO-1, NF-κB/IκBα, p38 MAPK, and JAK1/STAT3 signaling pathways; increase the levels of SOD and GSH-Px; and decrease MDA level in the fibrotic liver. Collectively, our study findings indicate that SA-A is effective in preventing liver fibrosis in mice by inhibiting inflammation and oxidative stress via regulating the Nrf2/HO-1, NF-κB/IκBα, p38 MAPK, and JAK1/STAT3 signaling pathways.
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Affiliation(s)
- Shengnan Li
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong Wang
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fuxing Song
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Panpan Chen
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanqiu Gu
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chun Chen
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yongfang Yuan
- Department of Pharmacy, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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14
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Baricitinib Attenuates Bleomycin-Induced Pulmonary Fibrosis in Mice by Inhibiting TGF-β1 Signaling Pathway. Molecules 2023; 28:molecules28052195. [PMID: 36903446 PMCID: PMC10004526 DOI: 10.3390/molecules28052195] [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: 12/30/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 03/03/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive interstitial lung disease with unknown etiology, high mortality and limited treatment options. It is characterized by myofibroblast proliferation and extensive deposition of extracellular matrix (ECM), which will lead to fibrous proliferation and the destruction of lung structure. Transforming growth factor-β1 (TGF-β1) is widely recognized as a central pathway of pulmonary fibrosis, and the suppression of TGF-β1 or the TGF-β1-regulated signaling pathway may thus offer potential antifibrotic therapies. JAK-STAT is a downstream signaling pathway regulated by TGF-β1. JAK1/2 inhibitor baricitinib is a marketed drug for the treatment of rheumatoid arthritis, but its role in pulmonary fibrosis has not been reported. This study explored the potential effect and mechanism of baricitinib on pulmonary fibrosis in vivo and in vitro. The in vivo studies have shown that baricitinib can effectively attenuate bleomycin (BLM)-induced pulmonary fibrosis, and in vitro studies showed that baricitinib attenuates TGF-β1-induced fibroblast activation and epithelial cell injury by inhibiting TGF-β1/non-Smad and TGF-β1/JAK/STAT signaling pathways, respectively. In conclusion, baricitinib, a JAK1/2 inhibitor, impedes myofibroblast activation and epithelial injury via targeting the TGF-β1 signaling pathway and reduces BLM-induced pulmonary fibrosis in mice.
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15
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Klotho improves cardiac fibrosis, inflammatory cytokines, ferroptosis, and oxidative stress in mice with myocardial infarction. J Physiol Biochem 2023:10.1007/s13105-023-00945-5. [PMID: 36701072 DOI: 10.1007/s13105-023-00945-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/16/2023] [Indexed: 01/27/2023]
Abstract
The anti-aging protein Klotho has been associated with cardiovascular health protection. Nevertheless, the protective mechanism remains unknown. The present study is aimed at exploring the effect of Klotho on cardiac remodeling and its potential mechanism in mice with myocardial infarction (MI). We used left anterior coronary artery descending ligation to develop an MI model for in vivo analyses. In contrast, H9C2 cells and cardiac fibroblasts were used to establish the oxygen-glucose deprivation (OGD) model in in vitro analyses. In vivo and in vitro models were treated with Klotho. Compound C, an AMPK signaling inhibitor, was used to determine whether Klotho's effects are mediated through the AMPK/mTOR signaling pathway. Echocardiography, Masson trichrome staining, immunofluorescence, immunohistochemistry, real-time polymerase chain reaction (RT-PCR), and western blot were used to detect the related indicators. The findings of the in vivo model indicate that Klotho treatment improved the mice's cardiac function, reduced cardiac fibrosis, and attenuated myocardial inflammatory factors, ferroptosis, and oxidative stress. The results of the in vitro model were in line with the findings of in vivo modeling. An AMPK inhibitor, Compound C, reversed all these effects. In conclusion, Klotho potentially improves cardiac remodeling in MI mice by regulating AMPK/mTOR signaling, demonstrating Klotho as an effective MI therapeutic agent.
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16
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Wang F, Wang S, Zhang C, Tian X, Zhou Y, Xuan W, Matteson EL, Luo F, Tschumperlin D, Vassallo R. Noncanonical JAK1/STAT3 interactions with TGF-β modulate myofibroblast transdifferentiation and fibrosis. Am J Physiol Lung Cell Mol Physiol 2022; 323:L698-L714. [PMID: 36283961 DOI: 10.1152/ajplung.00428.2021] [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: 12/14/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease with limited survival. Janus kinases (JAKs), tyrosine kinases that transduce cytokine-mediated signals, are known to be involved, but their specific roles in lung fibrosis are not well defined. In this study, the interactions between JAK1/signal transducers and activators of transcription (STAT)3 signaling and transforming growth factor-beta (TGF-β)-induced fibroblast responses were investigated using both pharmacological and siRNA approaches in human normal and IPF-derived lung fibroblasts. We found that JAK1 directly interacts with the TGF-β receptor I subunit (TβRI), and silencing JAK1 promotes myofibroblast transdifferentiation. However, the suppression of JAK1 signaling in vitro and in vivo using an inhibitor (upadacitinib) did not alter lung fibroblast activation or fibrosis development. STAT3 was constitutively active in cultured primary lung fibroblasts; this STAT3 activation required JAK1 and repressed myofibroblast transdifferentiation. Loss of phosphorylated STAT3 following transcriptional JAK1 silencing promoted myofibroblast transdifferentiation. In contrast, transcriptional silencing of unphosphorylated STAT3 suppressed TGF-β signaling, decreased SMAD3 activation, and reduced myofibroblast transdifferentiation and ECM production. Taken together, these observations support a role for JAK1/STAT3 as a direct regulator of TGF-β signaling in lung fibroblasts. Modulation of JAK1/STAT3 signaling in lung fibroblasts represents a noncanonical approach to regulating TGF-β-induced fibrosis and suggests the potential for a novel approach to treat pulmonary fibrosis.
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Affiliation(s)
- Faping Wang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Shaohua Wang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Chujie Zhang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Xue Tian
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Yongfang Zhou
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Weixia Xuan
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Eric L Matteson
- Division of Rheumatology and Department of Health Science Research, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Fengming Luo
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Daniel Tschumperlin
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Robert Vassallo
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota.,Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
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17
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Zhao Q, Bai J, Chen Y, Liu X, Zhao S, Ling G, Jia S, Zhai F, Xiang R. An optimized herbal combination for the treatment of liver fibrosis: Hub genes, bioactive ingredients, and molecular mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2022; 297:115567. [PMID: 35870684 DOI: 10.1016/j.jep.2022.115567] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/30/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Liver fibrosis is a chronic liver disease that can lead to cirrhosis, liver failure, and hepatocellular carcinoma, and it is associated with long-term adverse outcomes and mortality. As a primary resource for complementary and alternative medicine, traditional Chinese medicine (TCM) has accumulated a large number of effective formulas for the treatment of liver fibrosis in clinical practice. However, studies on how to systematically optimize TCM formulas are still lacking. AIM OF THE REVIEW To provide a methodological reference for the systematic optimization of TCM formulae against liver fibrosis and explored the underlying molecular mechanisms; To provide an efficient method for searching for lead compounds from natural sources and developing from herbal medicines; To enable clinicians and patients to make more reasonable choices and promote the effective treatment toward those patients with liver fibrosis. MATERIALS AND METHODS TCM formulas related to treating liver fibrosis were collected from the Web of Science, PubMed, the China National Knowledge Infrastructure (CNKI), Wan Fang, and the Chinese Scientific Journals Database (VIP). Furthermore, the TCM compatibility patterns were mined using association analysis. The core TCM combinations were found by designing an optimized formulas algorithm. Finally, the hub target proteins, potential molecular mechanisms, and active compounds were explored through integrative pharmacology and docking-based inverse virtual screening (IVS) approaches. RESULTS We found that the herbs for reinforcing deficiency, activating blood, removing blood stasis, and clearing heat were the basis of TCM formulae patterns. Furthermore, the combination of Salviae Miltiorrhizae (Salvia miltiorrhiza Bunge; Chinese salvia/Danshen), Astragali Radix (Astragalus membranaceus (Fisch.) Bunge; Astragalus/Huangqi), and Radix Bupleuri (Bupleurum chinense DC.; Bupleurum/Chaihu) was identified as core groups. A total of six targets (TNF, STAT3, EGFR, IL2, ICAM1, PTGS2) play a pivotal role in TCM-mediated liver fibrosis inhibition. (-)-Cryptotanshinone, Tanshinaldehyde, Ononin, Thymol, Daidzein, and Formononetin were identified as active compounds in TCM. And mechanistically, TCM could affect the development of liver fibrosis by regulating inflammation, immunity, angiogenesis, antioxidants, and involvement in TNF, MicroRNAs, Jak-STAT, NF-kappa B, and C-type lectin receptors (CLRs) signaling pathways. Molecular docking results showed that key components had good potential to bind to the target genes. CONCLUSION In summary, this study provides a methodological reference for the systematic optimization of TCM formulae and exploration of underlying molecular mechanisms.
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Affiliation(s)
- Qianqian Zhao
- Faculty of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Jinwei Bai
- School of Medical Equipment, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Yiwei Chen
- Faculty of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Xin Liu
- Faculty of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Shangfeng Zhao
- Faculty of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Guixia Ling
- School of Medical Equipment, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Shubing Jia
- Faculty of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Fei Zhai
- School of Medical Equipment, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Rongwu Xiang
- School of Medical Equipment, Shenyang Pharmaceutical University, Shenyang, 110016, China; Liaoning Professional Technology Innovation Center on Medical Big Data and Artificial Intelligence, Shenyang, 110016, China.
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18
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Niu X, Meng Y, Wang Y, Li G. Established new compound IMB16-4 self-emulsifying drug delivery systems for increasing oral bioavailability and enhancing anti-hepatic fibrosis effect. Biomed Pharmacother 2022; 154:113657. [PMID: 36942601 DOI: 10.1016/j.biopha.2022.113657] [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: 05/20/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/22/2022] Open
Abstract
Liver fibrosis results from the chronic liver injury and no specific medical therapy is approved so far. Recently, new compound, N-(3,4,5-trichlorophenyl) - 2 (3-nitrobenzenesulfonamido) benzamide, referred to as IMB16-4, was developed to resist liver fibrosis. However, IMB16-4 displays poor aqueous solubility and poor oral bioavailability. To increase the dissolution rate, improve the oral bioavailability and enhance the anti-hepatic fibrosis action of IMB16-4, IMB16-4 self-emulsifying drug delivery systems (SEDDS) with negative charge or positive charge were prepared using simple stirring, respectively. Their stability, oral bioavailability and anti-liver fibrosis effect were evaluated. The results showed IMB16-4 SEDDS in simulated gastric juice were nearly spherical with the diameter of 100~200 nm and possessed good stability in 30 days. The oral bioavailability of IMB16-4 SEDDS with negative charge and positive charge were increased to 33 folds and 58 folds compared with that of pure IMB16-4, respectively. In bile duct ligation (BDL) rats, IMB16-4 SEDDS attenuated the degree of liver damage and decreased collagen accumulation. In addition, IMB16-4 SEDDS with negative charge easily accumulated in the liver and alleviated hepatic fibrosis by TGF-β/Smad signaling. These findings indicate that IMB16- 4 SEDDS may be a potential therapy for the treatment of liver fibrosis.
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Affiliation(s)
- Xia Niu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science & Peking Union Medical College, Beijing 100050, China
| | - Yanan Meng
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science & Peking Union Medical College, Beijing 100050, China
| | - Yucheng Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science & Peking Union Medical College, Beijing 100050, China.
| | - Guiling Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science & Peking Union Medical College, Beijing 100050, China.
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19
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Xu L, Zhang Y, Ji N, Du Y, Jia T, Wei S, Wang W, Zhang S, Chen W. Tanshinone IIA regulates the TGF‑β1/Smad signaling pathway to ameliorate non‑alcoholic steatohepatitis‑related fibrosis. Exp Ther Med 2022; 24:486. [PMID: 35761808 PMCID: PMC9214595 DOI: 10.3892/etm.2022.11413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 05/04/2022] [Indexed: 11/19/2022] Open
Abstract
Tanshinone IIA (TIIA) is a major component extracted from the traditional herbal medicine Salvia miltiorrhiza and has been indicated to play a role in the treatment of organ fibrosis. However, the evidence supporting its antifibrotic effect is insufficient and the underlying mechanism is unclear. To investigate the therapeutic effect of TIIA on non-alcoholic steatohepatitis-related fibrosis (NASH-F), the present study used a methionine choline deficiency diet to induce NASH-F in rats, and explored the effect of TIIA on the transforming growth factor-β1 (TGF-β1)/Smad signaling pathway. Wistar rats were randomly divided into control, NASH-F and TIIA groups. After 8 weeks of treatment, the levels of serum markers associated with liver function and fibrosis were measured, liver fat vacuoles and inflammation were assessed by haematoxylin and eosin staining, and liver fibrosis was assessed by Masson's trichrome staining. TGF-β1, Smad2, Smad3, Smad7 and α-smooth muscle actin (α-SMA) mRNA expression, and TGF-β1, Smad2/3, phosphorylated (p)-Smad2/3, Smad7 and α-SMA protein levels were determined. The results revealed that TIIA could remarkably ameliorate liver fat vacuoles and inflammation in NASH-F rats, and could decrease the levels of serum aspartate aminotransferase, alanine aminotransferase, total bilirubin, total bile acid, hyaluronic acid, type Ⅳ collagen, laminin and type III collagen, while increasing the levels of total cholesterol and triglycerides; however, this was not statistically significance. TIIA markedly suppressed the increased TGF-β1, Smad2, Smad3 and α-SMA mRNA expression levels observed in the liver of NASH-F rats, while it increased the mRNA expression level of Smad7. Similarly, TIIA suppressed the increased TGF-β1, p-Smad2/3 and α-SMA protein levels observed in the liver of NASH-F rats, while it increased the protein expression level of Smad7 in vitro and in vivo. TIIA had no significant cytotoxic effect at 10, 20, 40 and 80 µmol/l on human LX-2 cell. In conclusion, the findings of the present study indicated that TIIA alleviated NASH-F by regulating the TGF-β1/Smad signaling pathway. TIIA may be a useful tool in the prevention and treatment of NASH-F.
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Affiliation(s)
- Lianjie Xu
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Yurong Zhang
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Nengbo Ji
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Yan Du
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Tao Jia
- Department of Orthopedics, First Clinical Medical College of Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650021, P.R. China
| | - Shanshan Wei
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Wei Wang
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Shan Zhang
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
| | - Wenhui Chen
- Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China
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Wu B, Tian X, Wang W, Zhu J, Lu Y, Du J, Xiao Y. Upregulation of cadherin-11 contributes to cholestatic liver fibrosis. Pediatr Investig 2022; 6:100-110. [PMID: 35774522 PMCID: PMC9218970 DOI: 10.1002/ped4.12317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/27/2022] [Indexed: 11/17/2022] Open
Abstract
Importance Cadherin-11 (CDH11), a cell-to-cell adhesion molecule, is implicated in the fibrotic process of several organs. Biliary atresia (BA) is a common cholestatic liver disease featuring cholestasis and progressive liver fibrosis in children. Cholestatic liver fibrosis may progress to liver cirrhosis and lacks effective therapeutic strategies. Currently, the role of CDH11 in cholestatic liver fibrosis remains unclear. Objective This study aimed to explore the functions of CDH11 in cholestatic liver fibrosis. Methods The expression of CDH11 in BA livers was evaluated by database analysis and immunostaining. Seven BA liver samples were used for immunostaining. The wild type (Wt) and CDH11 knockout (CDH11-/- ) mice were subjected to bile duct ligation (BDL) to induce cholestatic liver fibrosis. The serum biochemical analysis, liver histology, and western blotting were used to assess the extent of liver injury and fibrosis as well as activation of transforming growth factor-β (TGF-β)/Smad pathway. The effect of CDH11 on the activation of hepatic stellate cell line LX-2 cells was investigated. Results Analysis of public RNA-seq datasets showed that CDH11 expression levels were significantly increased in livers of BA, and CDH11 was correlated with liver fibrosis in BA. BDL-induced liver injury and liver fibrosis were attenuated in CDH11-/- mice compared to Wt mice. The protein expression levels of phosphorylated Smad2/3 were decreased in livers of CDH11-/- BDL mice compared to Wt BDL mice. CDH11 knockdown inhibited the activation of LX-2 cells. Interpretation CDH11 plays an important role in cholestatic liver fibrosis and may represent a potential therapeutic target for cholestatic liver disease, such as BA.
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Affiliation(s)
- Bo Wu
- Department of Pediatric Surgery, Xin Hua HospitalSchool of Medicine, Shanghai Jiao Tong UniversityShanghaiChina
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
| | - Xinbei Tian
- Department of Pediatric Surgery, Xin Hua HospitalSchool of Medicine, Shanghai Jiao Tong UniversityShanghaiChina
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
| | - Weipeng Wang
- Department of Pediatric Surgery, Xin Hua HospitalSchool of Medicine, Shanghai Jiao Tong UniversityShanghaiChina
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
| | - Jing Zhu
- Department of Pediatric Surgery, Xin Hua HospitalSchool of Medicine, Shanghai Jiao Tong UniversityShanghaiChina
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
| | - Ying Lu
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
| | - Jun Du
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
| | - Yongtao Xiao
- Department of Pediatric Surgery, Xin Hua HospitalSchool of Medicine, Shanghai Jiao Tong UniversityShanghaiChina
- Department of Pediatric Gastroenterology and NutritionShanghai Institute of Pediatric ResearchShanghaiChina
- Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghaiChina
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21
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Sayed KM, G Abd Elhaliem N, A Mohammed S, Alsmman AH. Histopathology, matrix metalloproteinase-2 and alpha smooth muscle actin expression in Tenon's capsule of eyes with congenital glaucoma. Eur J Ophthalmol 2021; 32:316-321. [PMID: 34766520 DOI: 10.1177/11206721211058995] [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: 11/15/2022]
Abstract
PURPOSE To evaluate the ultrastructural features of collagen fibrils, matrix metalloproteinase (MMP) and alpha-smooth muscle actin (α-SMA) expression in the Tenon's capsule of buphthalmic eyes. METHODS A prospective comparative case series study was conducted on 35 buphthalmic eyes vs 25 control eyes. Children with congenital glaucoma (CG) who underwent a combined trabeculectomy-trabeculotomy procedure with mitomycin C (CTTM); the Tenon's capsule was obtained during the surgical procedure. The control group included children with strabismus, the Tenon's capsule was obtained in the course of strabismus surgery. Both H&E and Masson's trichrome staining were done. The Metalloprotenease-2 (MMP-2), alpha smooth muscle actin (α-SMA) immunohistochemical staining was performed. RESULTS Mean collagen percentage area by Masson trichrome stain in Tenons capsule was significantly higher in buphthalmic eyes (54.76% ± 0.32 vs 33.71% ± 1.4; P < 0.001).The percentage area of αSMA expression in Tenons capsule was significantly higher in buphthalmic eyes (4.93% ± 0.7 vs 2.00% ± 0.5; P < 0.001). However, MMP2 expression in Tenons capsule of the buphthalmic group was significantly lower than that of the control group (12.88% ± 2.95 vs 27.91% ± 0.2 respectively) P = 0.02. CONCLUSIONS Tenon capsule of buphthalmic eyes have their own histopathological features and properties making them more liable for fibrosis with high rate of failure following antiglaucoma surgeries. Such detailed information has not been published before which may aid in the identification of new antifibrotic therapies in management of glaucoma.
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22
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Ruan H, Luan J, Gao S, Li S, Jiang Q, Liu R, Liang Q, Zhang R, Zhang F, Li X, Zhou H, Yang C. Fedratinib Attenuates Bleomycin-Induced Pulmonary Fibrosis via the JAK2/STAT3 and TGF-β1 Signaling Pathway. Molecules 2021; 26:molecules26154491. [PMID: 34361644 PMCID: PMC8347567 DOI: 10.3390/molecules26154491] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/19/2021] [Accepted: 07/25/2021] [Indexed: 12/14/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive interstitial lung disease with multiple causes, characterized by excessive myofibrocyte aggregation and extracellular matrix deposition. Related studies have shown that transforming growth factor-β1 (TGF-β1) is a key cytokine causing fibrosis, promoting abnormal epithelial-mesenchymal communication and fibroblast-to-myofibroblast transition. Fedratinib (Fed) is a marketed drug for the treatment of primary and secondary myelofibrosis, targeting selective JAK2 tyrosine kinase inhibitors. However, its role in pulmonary fibrosis remains unclear. In this study, we investigated the potential effects and mechanisms of Fed on pulmonary fibrosis in vitro and in vivo. In vitro studies have shown that Fed attenuates TGF-β1- and IL-6-induced myofibroblast activation and inflammatory response by regulating the JAK2/STAT3 signaling pathway. In vivo studies have shown that Fed can reduce bleomycin-induced inflammation and collagen deposition and improve lung function. In conclusion, Fed inhibited inflammation and fibrosis processes induced by TGF-β1 and IL-6 by targeting the JAK2 receptor.
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Affiliation(s)
- Hao Ruan
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
| | - Jiaoyan Luan
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Shaoyan Gao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
| | - Shuangling Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Qiuyan Jiang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Rui Liu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Qing Liang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
| | - Ruiqin Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Fangxia Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Xiaohe Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
| | - Honggang Zhou
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
- Correspondence:
| | - Cheng Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China; (H.R.); (J.L.); (S.G.); (S.L.); (Q.J.); (R.L.); (Q.L.); (R.Z.); (F.Z.); (X.L.); (C.Y.)
- High-Throughput Molecular Drug Screening Centre, Tianjin International Joint Academy of Biomedicine, Tianjin 300070, China
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Tiaoshen Tongluo Attenuates Fibrosis by Modulating the TGF- β1/Smad Pathway in Endometrial Stromal Cells and a Rat Model of Intrauterine Adhesion. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6675329. [PMID: 33981353 PMCID: PMC8088367 DOI: 10.1155/2021/6675329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 04/02/2021] [Accepted: 04/10/2021] [Indexed: 12/13/2022]
Abstract
Intrauterine adhesion (IUA) is a serious complication caused by excessive fibrosis resulting from endometrial repair after trauma. The traditional Chinese medicine Tiaoshen Tongluo recipe (TTR) contains ingredients associated with the alleviation of fibrosis. The transforming growth factor-β1 (TGF-β1)/Smad pathway is thought to mediate fibrosis in IUA. In this study, we evaluated the influence of TTR on endometrial fibrosis in a rat model of IUA and in TGF-β1-stimulated endometrial stromal cells (ESCs). TTR was found to alleviate the level of endometrial fibrosis in a rat model of IUA. A higher number of collagen fibers and greater damage were observed in the endometrial tissue of untreated rats compared to those treated with TTR. The expression of TGF-β1, Smad2, Smad3, and Smad4 was upregulated following IUA, whereas Smad7 expression was downregulated. TTR lowers the expression of TGF-β1, Smad2, Smad3, and Smad4 but increases the expression of Smad7 in vivo, indicating that TTR can modulate the expression of the TGF-β1/Smad pathway to mediate fibrosis. In ESCs, the phosphorylation of Smad2 and Smad3 and upregulation of Smad4 were induced by TGF-β1 whereas the expression of Smad7 was inhibited. Administration of TTR reduces the phosphorylation of Smad2 and Smad3, increases Smad4 expression induced by TGF-β1, and promotes the expression of Smad7. TTR modulates the TGF-β1/Smad pathway to alleviate the generation of fibrotic tissue in response to IUA.
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Apigenin Alleviates Liver Fibrosis by Inhibiting Hepatic Stellate Cell Activation and Autophagy via TGF- β1/Smad3 and p38/PPAR α Pathways. PPAR Res 2021; 2021:6651839. [PMID: 33574836 PMCID: PMC7861947 DOI: 10.1155/2021/6651839] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/10/2021] [Accepted: 01/15/2021] [Indexed: 02/07/2023] Open
Abstract
Objective The aim of this study is to confirm the hepatocellular protective functions of apigenin and the molecular mechanism on liver fibrosis in mice. Methods Carbon tetrachloride (CCl4) and bile duct ligature (BDL) mouse fibrosis models were used to investigate the effects of apigenin on liver fibrosis. Sixty-six male C57 mice were randomly divided into eight groups, including the vehicle group, CCl4 group, CCl4+L-apigenin (20 mg/kg) group, CCl4+H-apigenin (40 mg/kg) group, sham group, BDL group, BDL+L-apigenin(20 mg/kg) group, and BDL+H-apigenin(40 mg/kg) group. Serum liver enzymes (ALT and AST), proteins associated with autophagy, and indicators linked with the TGF-β1/Smad3 and p38/PPARα pathways were detected using qRT-PCR, immunohistochemical staining, and western blotting. Results Our findings confirmed that apigenin could decrease the levels of ALT and AST, suppress the generation of ECM, inhibit the activation of HSCs, regulate the balance of MMP2 and TIMP1, reduce the expression of autophagy-linked protein, and restrain the TGF-β1/Smad3 and p38/PPARα pathways. Conclusion Apigenin could alleviate liver fibrosis by inhibiting hepatic stellate cell activation and autophagy via TGF-β1/Smad3 and p38/PPARα pathways.
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Yu Q, Cheng P, Wu J, Guo C. PPARγ/NF-κB and TGF-β1/Smad pathway are involved in the anti-fibrotic effects of levo-tetrahydropalmatine on liver fibrosis. J Cell Mol Med 2021; 25:1645-1660. [PMID: 33438347 PMCID: PMC7875896 DOI: 10.1111/jcmm.16267] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/10/2020] [Accepted: 12/22/2020] [Indexed: 12/19/2022] Open
Abstract
Liver fibrosis is a necessary stage in the development of chronic liver diseases to liver cirrhosis. This study aims to investigate the anti‐fibrotic effects of levo‐tetrahydropalmatine (L‐THP) on hepatic fibrosis in mice and cell models and its underlying mechanisms. Two mouse hepatic fibrosis models were generated in male C57 mice by intraperitoneal injection of carbon tetrachloride (CCl4) for 2 months and bile duct ligation (BDL) for 14 days. Levo‐tetrahydropalmatine was administered orally at doses of 20 and 40 mg/kg. An activated LX2 cell model induced by TGF‐β1 was also generated. The results showed that levo‐tetrahydropalmatine alleviated liver fibrosis by inhibiting the formation of extracellular matrix (ECM) and regulating the balance between TIMP1 and MMP2 in the two mice liver fibrosis models and cell model. Levo‐tetrahydropalmatine inhibited activation and autophagy of hepatic stellate cells (HSCs) by modulating PPARγ/NF‐κB and TGF‐β1/Smad pathway in vivo and in vitro. In conclusion, levo‐tetrahydropalmatine attenuated liver fibrosis by inhibiting ECM deposition and HSCs autophagy via modulation of PPARγ/NF‐κB and TGF‐β1/Smad pathway.
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Affiliation(s)
- Qiang Yu
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ping Cheng
- Department of Gerontology, Shanghai Minhang District Central Hospital, Shanghai, China
| | - Jianye Wu
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chuanyong Guo
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
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26
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Pang Q, Jin H, Wang Y, Dai M, Liu S, Tan Y, Liu H, Lu Z. Depletion of serotonin relieves concanavalin A-induced liver fibrosis in mice by inhibiting inflammation, oxidative stress, and TGF-β1/Smads signaling pathway. Toxicol Lett 2021; 340:123-132. [PMID: 33429011 DOI: 10.1016/j.toxlet.2021.01.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 12/12/2022]
Abstract
Serotonin exerts important functions in several liver pathophysiological processes. In this study, we investigated the role of serotonin in concanavalin A (Con A)-induced liver fibrosis (LF) in mice and the underlying mechanisms. To establish the mouse model of LF, mice of wild-type (WT) and tryptophan hydroxylase 1 (Tph1) knockout (serotonin depletion) received Con A for 8 successive weeks. Degree of fibrosis was assessed by Sirius red staining, as well as the measurements of alpha smooth muscle actin (α- SMA), hydroxyproline (Hyp) and type I collagen in liver tissues. To elucidate the potential mechanisms, we assessed the effect of serotonin depletion on inflammatory, oxidative stress as well as TGF-β1/Smads signaling pathway. We found that serotonin depletion significantly inhibited collagen deposition as evaluated by less collagenous fiber in Sirus Red staining and reduced contents of Hyp and type I collagen. In addition, the absence of serotonin significantly inhibited the release of several inflammatory cytokines, including interleukin-6 (IL-6), interferon-gamma (IFN-γ), tumor necrosis-alpha (TNF-α), and transforming growth factor β1 (TGF-β1). Oxidative stress was also largely mitigated in LF mice with serotonin deficiency as manifested by the decreases of oxidative stress markers (malonaldehyde (MDA) and myeloperoxidase (MPO)), as well as the increases of antioxidant stress indicators (glutathione (GSH), and GSH-px, catalase (CAT), superoxide dismutase (SOD)) in liver tissues. Moreover, the lack of serotonin may provide an antifibrotic role by inhibiting the intrahepatic expressions of TGF-β1, phosphorylated-smad2 (p-smad2), and phosphorylated-smad3 (p-smad3). These results indicated that, serotonin depletion attenuates Con A-induced LF through the regulation of inflammatory response, oxidative stress injury, and TGF-β1/Smads signaling pathway.
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Affiliation(s)
- Qing Pang
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China; Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061 Shaanxi Province, China
| | - Hao Jin
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Yong Wang
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Mengnan Dai
- Clinical Medical College of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Shuangchi Liu
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Yi Tan
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China.
| | - Huichun Liu
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China.
| | - Zheng Lu
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China.
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Maity S, Das F, Kasinath BS, Ghosh-Choudhury N, Ghosh Choudhury G. TGFβ acts through PDGFRβ to activate mTORC1 via the Akt/PRAS40 axis and causes glomerular mesangial cell hypertrophy and matrix protein expression. J Biol Chem 2020; 295:14262-14278. [PMID: 32732288 DOI: 10.1074/jbc.ra120.014994] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/27/2020] [Indexed: 12/21/2022] Open
Abstract
Interaction of transforming growth factor-β (TGFβ)-induced canonical signaling with the noncanonical kinase cascades regulates glomerular hypertrophy and matrix protein deposition, which are early features of glomerulosclerosis. However, the specific target downstream of the TGFβ receptor involved in the noncanonical signaling is unknown. Here, we show that TGFβ increased the catalytic loop phosphorylation of platelet-derived growth factor receptor β (PDGFRβ), a receptor tyrosine kinase expressed abundantly in glomerular mesangial cells. TGFβ increased phosphorylation of the PI 3-kinase-interacting Tyr-751 residue of PDGFRβ, thus activating Akt. Inhibition of PDGFRβ using a pharmacological inhibitor and siRNAs blocked TGFβ-stimulated phosphorylation of proline-rich Akt substrate of 40 kDa (PRAS40), an intrinsic inhibitory component of mTORC1, and prevented activation of mTORC1 in the absence of any effect on Smad 2/3 phosphorylation. Expression of constitutively active myristoylated Akt reversed the siPDGFRβ-mediated inhibition of mTORC1 activity; however, co-expression of the phospho-deficient mutant of PRAS40 inhibited the effect of myristoylated Akt, suggesting a definitive role of PRAS40 phosphorylation in mTORC1 activation downstream of PDGFRβ in mesangial cells. Additionally, we demonstrate that PDGFRβ-initiated phosphorylation of PRAS40 is required for TGFβ-induced mesangial cell hypertrophy and fibronectin and collagen I (α2) production. Increased activating phosphorylation of PDGFRβ is also associated with enhanced TGFβ expression and mTORC1 activation in the kidney cortex and glomeruli of diabetic mice and rats, respectively. Thus, pursuing TGFβ noncanonical signaling, we identified how TGFβ receptor I achieves mTORC1 activation through PDGFRβ-mediated Akt/PRAS40 phosphorylation to spur mesangial cell hypertrophy and matrix protein accumulation. These findings provide support for targeting PDGFRβ in TGFβ-driven renal fibrosis.
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Affiliation(s)
- Soumya Maity
- Department of Medicine, University of Texas Health Science Center, San Antonio, Texas, USA
| | - Falguni Das
- Department of Medicine, University of Texas Health Science Center, San Antonio, Texas, USA
| | - Balakuntalam S Kasinath
- Department of Medicine, University of Texas Health Science Center, San Antonio, Texas, USA.,Geriatric Research, Education, and Clinical Center, South Texas Veterans Health Care System, San Antonio, Texas, USA
| | | | - Goutam Ghosh Choudhury
- Department of Medicine, University of Texas Health Science Center, San Antonio, Texas, USA .,Department of Veterans Affairs Research, South Texas Veterans Health Care System, San Antonio, Texas, USA.,Geriatric Research, Education, and Clinical Center, South Texas Veterans Health Care System, San Antonio, Texas, USA
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28
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Huang E, Peng N, Xiao F, Hu D, Wang X, Lu L. The Roles of Immune Cells in the Pathogenesis of Fibrosis. Int J Mol Sci 2020; 21:E5203. [PMID: 32708044 PMCID: PMC7432671 DOI: 10.3390/ijms21155203] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/19/2020] [Accepted: 07/21/2020] [Indexed: 12/15/2022] Open
Abstract
Tissue injury and inflammatory response trigger the development of fibrosis in various diseases. It has been recognized that both innate and adaptive immune cells are important players with multifaceted functions in fibrogenesis. The activated immune cells produce various cytokines, modulate the differentiation and functions of myofibroblasts via diverse molecular mechanisms, and regulate fibrotic development. The immune cells exhibit differential functions during different stages of fibrotic diseases. In this review, we summarized recent advances in understanding the roles of immune cells in regulating fibrotic development and immune-based therapies in different disorders and discuss the underlying molecular mechanisms with a focus on mTOR and JAK-STAT signaling pathways.
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Affiliation(s)
- Enyu Huang
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China; (E.H.); (F.X.)
| | - Na Peng
- Department of Rheumatology and Immunology, the Second People’s Hospital of Three Gorges University, Yichang 443000, China; (N.P.); (D.H.)
| | - Fan Xiao
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China; (E.H.); (F.X.)
| | - Dajun Hu
- Department of Rheumatology and Immunology, the Second People’s Hospital of Three Gorges University, Yichang 443000, China; (N.P.); (D.H.)
| | - Xiaohui Wang
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China; (E.H.); (F.X.)
| | - Liwei Lu
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China; (E.H.); (F.X.)
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29
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Xu S, Mao Y, Wu J, Feng J, Li J, Wu L, Yu Q, Zhou Y, Zhang J, Chen J, Ji J, Chen K, Wang F, Dai W, Fan X, Guo C. TGF-β/Smad and JAK/STAT pathways are involved in the anti-fibrotic effects of propylene glycol alginate sodium sulphate on hepatic fibrosis. J Cell Mol Med 2020; 24:5224-5237. [PMID: 32233073 PMCID: PMC7205790 DOI: 10.1111/jcmm.15175] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 01/14/2020] [Accepted: 03/01/2020] [Indexed: 12/25/2022] Open
Abstract
Liver fibrosis, a consequence of unhealthy modern lifestyles, has a growing impact on human health, particularly in developed countries. Here, we have explored the anti‐fibrotic effects of propylene glycol alginate sodium sulphate (PSS), a natural extract from brown algae, in fibrotic mice and cell models. Thus, we established bile duct ligature and carbon tetrachloride mouse models and LX‐2 cell models with or without PSS treatment. Liver pathological sections and the relevant indicators in serum and liver tissues were examined. PSS prevented hepatic injury and fibrosis to a significant extent, and induced up‐regulation of matrix metalloproteinase‐2 and down‐regulation of tissue inhibitor of metalloproteinase‐1 through suppressing the transforming growth factor β1 (TGF‐β1)/Smad pathway. PSS additionally exerted an anti‐autophagy effect through suppressing the Janus kinase (JAK) 2/transducer and activator of transcription 3 (STAT3) pathway. In conclusion, PSS prevents hepatic fibrosis by suppressing inflammation, promoting extracellular matrix (ECM) decomposition and inactivating hepatic stellate cells through mechanisms involving the TGF‐β1/Smad2/3 and JAK2/STAT3 pathways in vivo and in vitro.
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Affiliation(s)
- Shizan Xu
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gastroenterology, Jinshan Hospital of Fudan University, Shanghai, China.,Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, China
| | - Yuqing Mao
- Department of Gerontology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianye Wu
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jiao Feng
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jingjing Li
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Liwei Wu
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qiang Yu
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, China
| | - Yuting Zhou
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, China
| | - Jie Zhang
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, China
| | - Jiaojiao Chen
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, China
| | - Jie Ji
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Kan Chen
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Fan Wang
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiqi Dai
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gastroenterology, Zhongshan Hospital of Fudan University, Shanghai, China.,Shanghai Institute of Liver Diseases, Zhongshan Hospital of Fudan University, Shanghai, China.,Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoming Fan
- Department of Gastroenterology, Jinshan Hospital of Fudan University, Shanghai, China
| | - Chuanyong Guo
- Department of Gastroenterology, Putuo People's Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
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