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Li G, Yang H, Zhang D, Zhang Y, Liu B, Wang Y, Zhou H, Xu ZX, Wang Y. The role of macrophages in fibrosis of chronic kidney disease. Biomed Pharmacother 2024; 177:117079. [PMID: 38968801 DOI: 10.1016/j.biopha.2024.117079] [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: 05/08/2024] [Revised: 06/23/2024] [Accepted: 06/29/2024] [Indexed: 07/07/2024] Open
Abstract
Macrophages are widely distributed throughout various tissues of the body, and mounting evidence suggests their involvement in regulating the tissue microenvironment, thereby influencing disease onset and progression through direct or indirect actions. In chronic kidney disease (CKD), disturbances in renal functional homeostasis lead to inflammatory cell infiltration, tubular expansion, glomerular atrophy, and subsequent renal fibrosis. Macrophages play a pivotal role in this pathological process. Therefore, understanding their role is imperative for investigating CKD progression, mitigating its advancement, and offering novel research perspectives for fibrosis treatment from an immunological standpoint. This review primarily delves into the intrinsic characteristics of macrophages, their origins, diverse subtypes, and their associations with renal fibrosis. Particular emphasis is placed on the transition between M1 and M2 phenotypes. In late-stage CKD, there is a shift from the M1 to the M2 phenotype, accompanied by an increased prevalence of M2 macrophages. This transition is governed by the activation of the TGF-β1/SMAD3 and JAK/STAT pathways, which facilitate macrophage-to-myofibroblast transition (MMT). The tyrosine kinase Src is involved in both signaling cascades. By thoroughly elucidating macrophage functions and comprehending the modes and molecular mechanisms of macrophage-fibroblast interaction in the kidney, novel, tailored therapeutic strategies for preventing or attenuating the progression of CKD can be developed.
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Affiliation(s)
- Guangtao Li
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Hongxia Yang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Dan Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Yanghe Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Bin Liu
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yuxiong Wang
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Honglan Zhou
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China.
| | - Zhi-Xiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
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Lichner Z, Ding M, Khare T, Dan Q, Benitez R, Praszner M, Song X, Saleeb R, Hinz B, Pei Y, Szászi K, Kapus A. Myocardin-Related Transcription Factor Mediates Epithelial Fibrogenesis in Polycystic Kidney Disease. Cells 2024; 13:984. [PMID: 38891116 PMCID: PMC11172104 DOI: 10.3390/cells13110984] [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: 04/19/2024] [Revised: 05/21/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Polycystic kidney disease (PKD) is characterized by extensive cyst formation and progressive fibrosis. However, the molecular mechanisms whereby the loss/loss-of-function of Polycystin 1 or 2 (PC1/2) provokes fibrosis are largely unknown. The small GTPase RhoA has been recently implicated in cystogenesis, and we identified the RhoA/cytoskeleton/myocardin-related transcription factor (MRTF) pathway as an emerging mediator of epithelium-induced fibrogenesis. Therefore, we hypothesized that MRTF is activated by PC1/2 loss and plays a critical role in the fibrogenic reprogramming of the epithelium. The loss of PC1 or PC2, induced by siRNA in vitro, activated RhoA and caused cytoskeletal remodeling and robust nuclear MRTF translocation and overexpression. These phenomena were also manifested in PKD1 (RC/RC) and PKD2 (WS25/-) mice, with MRTF translocation and overexpression occurring predominantly in dilated tubules and the cyst-lining epithelium, respectively. In epithelial cells, a large cohort of PC1/PC2 downregulation-induced genes was MRTF-dependent, including cytoskeletal, integrin-related, and matricellular/fibrogenic proteins. Epithelial MRTF was necessary for the paracrine priming of the fibroblast-myofibroblast transition. Thus, MRTF acts as a prime inducer of epithelial fibrogenesis in PKD. We propose that RhoA is a common upstream inducer of both histological hallmarks of PKD: cystogenesis and fibrosis.
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Affiliation(s)
- Zsuzsanna Lichner
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
| | - Mei Ding
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
| | - Tarang Khare
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
- Enrich Bioscience, Toronto, ON M5B 1T8, Canada
| | - Qinghong Dan
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
| | - Raquel Benitez
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
| | - Mercédesz Praszner
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
| | - Xuewen Song
- Division of Nephrology, University Health Network, Toronto, ON M5G 2C4, Canada
| | - Rola Saleeb
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
- Department of Laboratory Medicine and Pathobiology, Temerty School of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Boris Hinz
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - York Pei
- Division of Nephrology, University Health Network, Toronto, ON M5G 2C4, Canada
| | - Katalin Szászi
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
- Department of Laboratory Medicine and Pathobiology, Temerty School of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Surgery, University of Toronto, Toronto, ON M5T 1P5, Canada
| | - András Kapus
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON M5B 1T8, Canada; (Z.L.); (T.K.); (R.S.); (K.S.)
- Department of Surgery, University of Toronto, Toronto, ON M5T 1P5, Canada
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
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3
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He M, Liu Z, Li L, Liu Y. Cell-cell communication in kidney fibrosis. Nephrol Dial Transplant 2024; 39:761-769. [PMID: 38040652 DOI: 10.1093/ndt/gfad257] [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: 09/27/2023] [Indexed: 12/03/2023] Open
Abstract
Kidney fibrosis is a common outcome of a wide variety of chronic kidney diseases, in which virtually all kinds of renal resident and infiltrating cells are involved. As such, well-orchestrated intercellular communication is of vital importance in coordinating complex actions during renal fibrogenesis. Cell-cell communication in multicellular organisms is traditionally assumed to be mediated by direct cell contact or soluble factors, including growth factors, cytokines and chemokines, through autocrine, paracrine, endocrine and juxtacrine signaling mechanisms. Growing evidence also demonstrates that extracellular vesicles, lipid bilayer-encircled particles naturally released from almost all types of cells, can act as a vehicle to transfer a diverse array of biomolecules including proteins, mRNA, miRNA and lipids to mediate cell-cell communication. We recently described a new mode of intercellular communication via building a special extracellular niche by insoluble matricellular proteins. Kidney cells, upon injury, produce and secrete different matricellular proteins, which incorporate into the local extracellular matrix network, and regulate the behavior, trajectory and fate of neighboring cells in a spatially confined fashion. This extracellular niche-mediated cell-cell communication is unique in that it restrains the crosstalk between cells within a particular locality. Detailed delineation of this unique manner of intercellular communication will help to elucidate the mechanism of kidney fibrosis and could offer novel insights in developing therapeutic intervention.
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Affiliation(s)
- Meizhi He
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
| | - Zhao Liu
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
| | - Li Li
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
| | - Youhua Liu
- State Key Laboratory of Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University
- National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangzhou, China
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Ren M, Yao S, Chen T, Luo H, Tao X, Jiang H, Yang X, Zhang H, Yu S, Wang Y, Lu A, Zhang G. Connective Tissue Growth Factor: Regulation, Diseases, and Drug Discovery. Int J Mol Sci 2024; 25:4692. [PMID: 38731911 PMCID: PMC11083620 DOI: 10.3390/ijms25094692] [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: 02/27/2024] [Revised: 04/18/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
In drug discovery, selecting targeted molecules is crucial as the target could directly affect drug efficacy and the treatment outcomes. As a member of the CCN family, CTGF (also known as CCN2) is an essential regulator in the progression of various diseases, including fibrosis, cancer, neurological disorders, and eye diseases. Understanding the regulatory mechanisms of CTGF in different diseases may contribute to the discovery of novel drug candidates. Summarizing the CTGF-targeting and -inhibitory drugs is also beneficial for the analysis of the efficacy, applications, and limitations of these drugs in different disease models. Therefore, we reviewed the CTGF structure, the regulatory mechanisms in various diseases, and drug development in order to provide more references for future drug discovery.
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Affiliation(s)
- Meishen Ren
- Key Laboratory of Animal Diseases and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Shanshan Yao
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Tienan Chen
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Hang Luo
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Xiaohui Tao
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Hewen Jiang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Xin Yang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Huarui Zhang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Sifan Yu
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Yin Wang
- Key Laboratory of Animal Diseases and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Aiping Lu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases (TMBJ), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
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Yun QS, Bao YX, Jiang JB, Guo Q. Mechanisms of norcantharidin against renal tubulointerstitial fibrosis. Pharmacol Rep 2024; 76:263-272. [PMID: 38472637 DOI: 10.1007/s43440-024-00578-5] [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: 09/02/2023] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024]
Abstract
Renal tubulointerstitial fibrosis (RTIF) is a common feature and inevitable consequence of all progressive chronic kidney diseases, leading to end-stage renal failure regardless of the initial cause. Although research over the past few decades has greatly improved our understanding of the pathophysiology of RTIF, until now there has been no specific treatment available that can halt the progression of RTIF. Norcantharidin (NCTD) is a demethylated analogue of cantharidin, a natural compound isolated from 1500 species of medicinal insect, the blister beetle (Mylabris phalerata Pallas), traditionally used for medicinal purposes. Many studies have found that NCTD can attenuate RTIF and has the potential to be an anti-RTIF drug. This article reviews the recent progress of NCTD in the treatment of RTIF, with emphasis on the pharmacological mechanism of NCTD against RTIF.
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Affiliation(s)
- Qin-Su Yun
- Department of Pharmacy, The First People's Hospital of Changzhou and the 3rd Affiliated Hospital of Soochow University, 185 Juqian Street, Changzhou, 213003, Jiangsu, China
| | - Yu-Xin Bao
- Research Center for Medicine and Biology, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, Guizhou, China.
| | - Jie-Bing Jiang
- Department of Pharmacology, Naval Medical University, Shanghai, 200433, China
| | - Qian Guo
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), School of Medicine, Shanghai University, 881 Yonghe Road, Nantong, 226001 , Jiangsu, China.
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
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6
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Reiss AB, Jacob B, Zubair A, Srivastava A, Johnson M, De Leon J. Fibrosis in Chronic Kidney Disease: Pathophysiology and Therapeutic Targets. J Clin Med 2024; 13:1881. [PMID: 38610646 PMCID: PMC11012936 DOI: 10.3390/jcm13071881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
Chronic kidney disease (CKD) is a slowly progressive condition characterized by decreased kidney function, tubular injury, oxidative stress, and inflammation. CKD is a leading global health burden that is asymptomatic in early stages but can ultimately cause kidney failure. Its etiology is complex and involves dysregulated signaling pathways that lead to fibrosis. Transforming growth factor (TGF)-β is a central mediator in promoting transdifferentiation of polarized renal tubular epithelial cells into mesenchymal cells, resulting in irreversible kidney injury. While current therapies are limited, the search for more effective diagnostic and treatment modalities is intensive. Although biopsy with histology is the most accurate method of diagnosis and staging, imaging techniques such as diffusion-weighted magnetic resonance imaging and shear wave elastography ultrasound are less invasive ways to stage fibrosis. Current therapies such as renin-angiotensin blockers, mineralocorticoid receptor antagonists, and sodium/glucose cotransporter 2 inhibitors aim to delay progression. Newer antifibrotic agents that suppress the downstream inflammatory mediators involved in the fibrotic process are in clinical trials, and potential therapeutic targets that interfere with TGF-β signaling are being explored. Small interfering RNAs and stem cell-based therapeutics are also being evaluated. Further research and clinical studies are necessary in order to avoid dialysis and kidney transplantation.
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Affiliation(s)
- Allison B. Reiss
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (B.J.); (A.Z.); (A.S.); (M.J.); (J.D.L.)
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Chen S, Wang C, Meng Y, Li P, Pan Y, He M, Ni X. Nanofabrications of Erythrocyte Membrane-Coated Telmisartan Delivery System Effective for Radiosensitivity of Tumor Cells in Mice Model. Int J Nanomedicine 2024; 19:1487-1508. [PMID: 38380147 PMCID: PMC10878400 DOI: 10.2147/ijn.s441418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/30/2024] [Indexed: 02/22/2024] Open
Abstract
Background Radiation stimulates the secretion of tumor stroma and induces resistance, recurrence, and metastasis of stromal-vascular tumors during radiotherapy. The proliferation and activation of tumor-associated fibroblasts (TAFs) are important reasons for the production of tumor stroma. Telmisartan (Tel) can inhibit the proliferation and activation of TAFs (resting TAFs), which may promote radiosensitization. However, Tel has a poor water solubility. Methods In this study, self-assembled telmisartan nanoparticles (Tel NPs) were prepared by aqueous solvent diffusion method to solve the insoluble problem of Tel and achieve high drug loading of Tel. Then, erythrocyte membrane (ECM) obtained by hypotonic lysis was coated on the surface of Tel NPs (ECM/Tel) for the achievement of in vivo long circulation and tumor targeting. Immunofluorescence staining, western blot and other biological techniques were used to investigate the effect of ECM/Tel on TAFs activation inhibition (resting effect) and mechanisms involved. The multicellular spheroids (MCSs) model and mouse breast cancer cells (4T1) were constructed to investigate the effect of ECM/Tel on reducing stroma secretion, alleviating hypoxia, and the corresponding promoting radiosensitization effect in vitro. A mouse orthotopic 4T1 breast cancer model was constructed to investigate the radiosensitizing effect of ECM/Tel on inhibiting breast cancer growth and lung metastasis of breast cancer. Results ECM/Tel showed good physiological stability and tumor-targeting ability. ECM/Tel could rest TAFs and reduce stroma secretion, alleviate hypoxia, and enhance penetration in tumor microenvironment. In addition, ECM/Tel arrested the cell cycle of 4T1 cells to the radiosensitive G2/M phase. In mouse orthotopic 4T1 breast cancer model, ECM/Tel played a superior role in radiosensitization and significantly inhibited lung metastasis of breast cancer. Conclusion ECM/Tel showed synergistical radiosensitization effect on both the tumor microenvironment and tumor cells, which is a promising radiosensitizer in the radiotherapy of stroma-vascular tumors.
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Affiliation(s)
- Shaoqing Chen
- Department of Radiotherapy, the Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou, Jiangsu, 213003, People’s Republic of China
- Jiangsu Province Engineering Research Center of Medical Physics, Changzhou, Jiangsu, 213003, People’s Republic of China
| | - Cheng Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, 213164, People’s Republic of China
| | - Yanyan Meng
- Department of Radiotherapy, the Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou, Jiangsu, 213003, People’s Republic of China
- Jiangsu Province Engineering Research Center of Medical Physics, Changzhou, Jiangsu, 213003, People’s Republic of China
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, 213164, People’s Republic of China
| | - Pengyin Li
- Department of Radiotherapy, the Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou, Jiangsu, 213003, People’s Republic of China
- Jiangsu Province Engineering Research Center of Medical Physics, Changzhou, Jiangsu, 213003, People’s Republic of China
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, 213164, People’s Republic of China
| | - Yiwen Pan
- Department of Radiotherapy, the Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou, Jiangsu, 213003, People’s Republic of China
- Jiangsu Province Engineering Research Center of Medical Physics, Changzhou, Jiangsu, 213003, People’s Republic of China
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, 213164, People’s Republic of China
| | - Mu He
- Department of Radiotherapy, the Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou, Jiangsu, 213003, People’s Republic of China
- Jiangsu Province Engineering Research Center of Medical Physics, Changzhou, Jiangsu, 213003, People’s Republic of China
| | - Xinye Ni
- Department of Radiotherapy, the Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou Medical Center, Nanjing Medical University, Changzhou, Jiangsu, 213003, People’s Republic of China
- Jiangsu Province Engineering Research Center of Medical Physics, Changzhou, Jiangsu, 213003, People’s Republic of China
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Lee C, Pratap K, Zhang L, Chen HD, Gautam S, Arnaoutova I, Raghavankutty M, Starost MF, Kahn M, Mansfield BC, Chou JY. Inhibition of Wnt/β-catenin signaling reduces renal fibrosis in murine glycogen storage disease type Ia. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166874. [PMID: 37666439 PMCID: PMC10841171 DOI: 10.1016/j.bbadis.2023.166874] [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: 05/07/2023] [Revised: 08/17/2023] [Accepted: 08/31/2023] [Indexed: 09/06/2023]
Abstract
Glycogen storage disease type Ia (GSD-Ia) is caused by a deficiency in the enzyme glucose-6-phosphatase-α (G6Pase-α or G6PC) that is expressed primarily in the gluconeogenic organs, namely liver, kidney cortex, and intestine. Renal G6Pase-α deficiency in GSD-Ia is characterized by impaired gluconeogenesis, nephromegaly due to elevated glycogen accumulation, and nephropathy caused, in part, by renal fibrosis, mediated by activation of the renin-angiotensin system (RAS). The Wnt/β-catenin signaling regulates the expression of a variety of downstream mediators implicated in renal fibrosis, including multiple genes in the RAS. Sustained activation of Wnt/β-catenin signaling is associated with the development and progression of renal fibrotic lesions that can lead to chronic kidney disease. In this study, we examined the molecular mechanism underlying GSD-Ia nephropathy. Damage to the kidney proximal tubules is known to trigger acute kidney injury (AKI) that can, in turn, activate Wnt/β-catenin signaling. We show that GSD-Ia mice have AKI that leads to activation of the Wnt/β-catenin/RAS axis. Renal fibrosis was demonstrated by increased renal levels of Snail1, α-smooth muscle actin (α-SMA), and extracellular matrix proteins, including collagen-Iα1 and collagen-IV. Treating GSD-Ia mice with a CBP/β-catenin inhibitor, ICG-001, significantly decreased nuclear translocated active β-catenin and reduced renal levels of renin, Snail1, α-SMA, and collagen-IV. The results suggest that inhibition of Wnt/β-catenin signaling may be a promising therapeutic strategy for GSD-Ia nephropathy.
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Affiliation(s)
- Cheol Lee
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Kunal Pratap
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Lisa Zhang
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Hung Dar Chen
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Sudeep Gautam
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Irina Arnaoutova
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Mahadevan Raghavankutty
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Matthew F Starost
- Division of Veterinary Resources, National Institutes of Health, Bethesda, MD 20802, USA
| | - Michael Kahn
- Department of Cancer Biology and Molecular Medicine, Beckmann Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Brian C Mansfield
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA
| | - Janice Y Chou
- Section on Cellular Differentiation, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20802, USA.
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9
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Song L, Zhou H, Ye P, Li Q, Chen K, Zhang Y, Zhao F, Shi J, Luo Y, Zhu M, Zhang J, Yang X, Zhao W. A first-in-human phase I study of SHR-1906, a humanized monoclonal antibody against connective tissue growth factor, in healthy participants. Clin Transl Sci 2023; 16:2604-2613. [PMID: 37766387 PMCID: PMC10719490 DOI: 10.1111/cts.13654] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/18/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
New therapeutic targets and drugs are urgently needed to halt the fibrosing process in idiopathic pulmonary fibrosis (IPF). SHR-1906 is a novel fully humanized monoclonal antibody against the connective tissue growth factor, which plays an essential role in the genesis of IPF. We assessed the safety, tolerability, pharmacokinetics (PKs), and immunogenicity of single dose SHR-1906 in healthy participants. This was a randomized, double-blind, placebo-controlled, dose-escalation, phase I study. Twelve healthy participants for each dose level were enrolled to receive single ascending doses of SHR-1906 intravenously (1.5, 6, 12, 20, 30, and 45 mg/kg) or placebo and followed for 71 days. The primary end points were safety and tolerability. Treatment-related treatment-emergent adverse events occurred in 25 participants (46.3%) in the SHR-1906 group and 11 (61.1%) in the placebo group. No serious adverse events occurred. Over the dose range investigated, the geometric mean clearance was 0.14-0.63 mL/h/kg, the geometric mean volume of distribution at steady-state was 47.4-75.5 mL/kg, and the terminal elimination half-life was 51.9-349 h. SHR-1906 showed nonlinear PKs. The peak concentration increased in a dose-proportional manner, whereas the area under the concentration-time curve showed a greater than dose-proportional increase. Anti-drug antibodies of SHR-1906 were detected in nine of 54 participants (16.7%). A single dose of SHR-1906 up to 45 mg/kg demonstrated a favorable tolerability profile in healthy participants. The PKs and immunogenicity of SHR-1906 were evaluated, supporting further clinical development.
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Affiliation(s)
- Lin‐Lin Song
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Hai‐Yan Zhou
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Pan‐Pan Ye
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Qian Li
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Ke‐Guang Chen
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Ye‐Hui Zhang
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Fu‐Rong Zhao
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Jin‐Yi Shi
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Yuan Luo
- Clinical Research and DevelopmentJiangsu Hengrui Pharmaceuticals Co., Ltd.ShanghaiChina
| | - Min Zhu
- Clinical Research and DevelopmentJiangsu Hengrui Pharmaceuticals Co., Ltd.ShanghaiChina
| | - Jian‐Jun Zhang
- Clinical Research and DevelopmentJiangsu Hengrui Pharmaceuticals Co., Ltd.ShanghaiChina
| | - Xin‐Mei Yang
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
| | - Wei Zhao
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Engineering and Technology Research Center for Pediatric Drug DevelopmentShandong Medicine and Health Key Laboratory of Clinical PharmacyJinanChina
- Department of Clinical Pharmacy, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of MedicineShandong UniversityJinanChina
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10
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Li X, Shan J, Chen X, Cui H, Wen G, Yu Y. Decellularized diseased tissues: current state-of-the-art and future directions. MedComm (Beijing) 2023; 4:e399. [PMID: 38020712 PMCID: PMC10661834 DOI: 10.1002/mco2.399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/04/2023] [Accepted: 09/12/2023] [Indexed: 12/01/2023] Open
Abstract
Decellularized matrices derived from diseased tissues/organs have evolved in the most recent years, providing novel research perspectives for understanding disease occurrence and progression and providing accurate pseudo models for developing new disease treatments. Although decellularized matrix maintaining the native composition, ultrastructure, and biomechanical characteristics of extracellular matrix (ECM), alongside intact and perfusable vascular compartments, facilitates the construction of bioengineered organ explants in vitro and promotes angiogenesis and tissue/organ regeneration in vivo, the availability of healthy tissues and organs for the preparation of decellularized ECM materials is limited. In this paper, we review the research advancements in decellularized diseased matrices. Considering that current research focuses on the matrices derived from cancers and fibrotic organs (mainly fibrotic kidney, lungs, and liver), the pathological characterizations and the applications of these diseased matrices are mainly discussed. Additionally, a contrastive analysis between the decellularized diseased matrices and decellularized healthy matrices, along with the development in vitro 3D models, is discussed in this paper. And last, we have provided the challenges and future directions in this review. Deep and comprehensive research on decellularized diseased tissues and organs will promote in-depth exploration of source materials in tissue engineering field, thus providing new ideas for clinical transformation.
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Affiliation(s)
- Xiang Li
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Jianyang Shan
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Xin Chen
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- College of Fisheries and Life ScienceShanghai Ocean UniversityShanghaiChina
| | - Haomin Cui
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Gen Wen
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yaling Yu
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- Institute of Microsurgery on ExtremitiesShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
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11
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Nørregaard R, Mutsaers HAM, Frøkiær J, Kwon TH. Obstructive nephropathy and molecular pathophysiology of renal interstitial fibrosis. Physiol Rev 2023; 103:2827-2872. [PMID: 37440209 PMCID: PMC10642920 DOI: 10.1152/physrev.00027.2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 07/05/2023] [Accepted: 07/09/2023] [Indexed: 07/14/2023] Open
Abstract
The kidneys play a key role in maintaining total body homeostasis. The complexity of this task is reflected in the unique architecture of the organ. Ureteral obstruction greatly affects renal physiology by altering hemodynamics, changing glomerular filtration and renal metabolism, and inducing architectural malformations of the kidney parenchyma, most importantly renal fibrosis. Persisting pathological changes lead to chronic kidney disease, which currently affects ∼10% of the global population and is one of the major causes of death worldwide. Studies on the consequences of ureteral obstruction date back to the 1800s. Even today, experimental unilateral ureteral obstruction (UUO) remains the standard model for tubulointerstitial fibrosis. However, the model has certain limitations when it comes to studying tubular injury and repair, as well as a limited potential for human translation. Nevertheless, ureteral obstruction has provided the scientific community with a wealth of knowledge on renal (patho)physiology. With the introduction of advanced omics techniques, the classical UUO model has remained relevant to this day and has been instrumental in understanding renal fibrosis at the molecular, genomic, and cellular levels. This review details key concepts and recent advances in the understanding of obstructive nephropathy, highlighting the pathophysiological hallmarks responsible for the functional and architectural changes induced by ureteral obstruction, with a special emphasis on renal fibrosis.
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Affiliation(s)
- Rikke Nørregaard
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | | | - Jørgen Frøkiær
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Tae-Hwan Kwon
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, Taegu, Korea
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12
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Hassan MDS, Razali N, Abu Bakar AS, Abu Hanipah NF, Agarwal R. Connective tissue growth factor: Role in trabecular meshwork remodeling and intraocular pressure lowering. Exp Biol Med (Maywood) 2023; 248:1425-1436. [PMID: 37873757 PMCID: PMC10657592 DOI: 10.1177/15353702231199466] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023] Open
Abstract
Connective tissue growth factor (CTGF) is a distinct signaling molecule modulating many physiological and pathophysiological processes. This protein is upregulated in numerous fibrotic diseases that involve extracellular matrix (ECM) remodeling. It mediates the downstream effects of transforming growth factor beta (TGF-β) and is regulated via TGF-β SMAD-dependent and SMAD-independent signaling routes. Targeting CTGF instead of its upstream regulator TGF-β avoids the consequences of interfering with the pleotropic effects of TGF-β. Both CTGF and its upstream mediator, TGF-β, have been linked with the pathophysiology of glaucomatous optic neuropathy due to their involvement in the regulation of ECM homeostasis. The excessive expression of these growth factors is associated with glaucoma pathogenesis via elevation of the intraocular pressure (IOP), the most important risk factor for glaucoma. The raised in the IOP is due to dysregulation of ECM turnover resulting in excessive ECM deposition at the site of aqueous humor outflow. It is therefore believed that CTGF could be a potential therapeutic target in glaucoma therapy. This review highlights the CTGF biology and structure, its regulation and signaling, its association with the pathophysiology of glaucoma, and its potential role as a therapeutic target in glaucoma management.
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Affiliation(s)
| | - Norhafiza Razali
- Institute of Medical Molecular Biotechnology (IMMB), Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
- Department of Pharmacology, Faculty of Medicine, Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
- Center for Neuroscience Research (NeuRon), Faculty of Medicine, Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
| | - Amy Suzana Abu Bakar
- Institute of Medical Molecular Biotechnology (IMMB), Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
- Center for Neuroscience Research (NeuRon), Faculty of Medicine, Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
| | - Noor Fahitah Abu Hanipah
- Institute of Medical Molecular Biotechnology (IMMB), Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
- Department of Pharmacology, Faculty of Medicine, Universiti Teknologi MARA (UiTM), 47000 Sungai Buloh, Malaysia
| | - Renu Agarwal
- School of Medicine, International Medical University (IMU), 57000 Kuala Lumpur, Malaysia
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13
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McDaniels JM, Shetty AC, Kuscu C, Kuscu C, Bardhi E, Rousselle T, Drachenberg C, Talwar M, Eason JD, Muthukumar T, Maluf DG, Mas VR. Single nuclei transcriptomics delineates complex immune and kidney cell interactions contributing to kidney allograft fibrosis. Kidney Int 2023; 103:1077-1092. [PMID: 36863444 PMCID: PMC10200746 DOI: 10.1016/j.kint.2023.02.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 01/16/2023] [Accepted: 02/07/2023] [Indexed: 03/04/2023]
Abstract
Chronic allograft dysfunction (CAD), characterized histologically by interstitial fibrosis and tubular atrophy, is the major cause of kidney allograft loss. Here, using single nuclei RNA sequencing and transcriptome analysis, we identified the origin, functional heterogeneity, and regulation of fibrosis-forming cells in kidney allografts with CAD. A robust technique was used to isolate individual nuclei from kidney allograft biopsies and successfully profiled 23,980 nuclei from five kidney transplant recipients with CAD and 17,913 nuclei from three patients with normal allograft function. Our analysis revealed two distinct states of fibrosis in CAD; low and high extracellular matrix (ECM) with distinct kidney cell subclusters, immune cell types, and transcriptional profiles. Imaging mass cytometry analysis confirmed increased ECM deposition at the protein level. Proximal tubular cells transitioned to an injured mixed tubular (MT1) phenotype comprised of activated fibroblasts and myofibroblast markers, generated provisional ECM which recruited inflammatory cells, and served as the main driver of fibrosis. MT1 cells in the high ECM state achieved replicative repair evidenced by dedifferentiation and nephrogenic transcriptional signatures. MT1 in the low ECM state showed decreased apoptosis, decreased cycling tubular cells, and severe metabolic dysfunction, limiting the potential for repair. Activated B, T and plasma cells were increased in the high ECM state, while macrophage subtypes were increased in the low ECM state. Intercellular communication between kidney parenchymal cells and donor-derived macrophages, detected several years post-transplantation, played a key role in injury propagation. Thus, our study identified novel molecular targets for interventions aimed to ameliorate or prevent allograft fibrogenesis in kidney transplant recipients.
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Affiliation(s)
- Jennifer M McDaniels
- Division of Surgical Sciences, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Amol C Shetty
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Cem Kuscu
- Transplant Research Institute, James D. Eason Transplant Institute, University of Tennessee Health Science Center, Memphis, Tennessee, USA; Department of Surgery, College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Canan Kuscu
- Transplant Research Institute, James D. Eason Transplant Institute, University of Tennessee Health Science Center, Memphis, Tennessee, USA; Department of Surgery, College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Elissa Bardhi
- Division of Surgical Sciences, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Thomas Rousselle
- Division of Surgical Sciences, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Cinthia Drachenberg
- Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Manish Talwar
- Transplant Research Institute, James D. Eason Transplant Institute, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - James D Eason
- Transplant Research Institute, James D. Eason Transplant Institute, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Thangamani Muthukumar
- Division of Nephrology and Hypertension, Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Daniel G Maluf
- Division of Surgical Sciences, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA; Program in Transplantation, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Valeria R Mas
- Division of Surgical Sciences, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA.
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14
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Wang Y, Yu Y, Xu M, Zhou J, Kang G, Li K. Circ_0080940 Regulates miR-139-5p/CTGF Pathway to Promote the Proliferation, Migration, Extracellular Matrix Deposition of Human Tenon's Capsule Fibroblasts. Curr Eye Res 2023; 48:34-43. [PMID: 36260079 DOI: 10.1080/02713683.2022.2138449] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE Circular RNA (circRNA) has been identified as an important regulator for glaucoma progression. Our study aims to reveal the circ_0080940 roles in glaucoma progression. METHODS Transforming growth factor β1 (TGF-β1) was used to treat human Tenon's capsule fibroblasts (HTFs) to mimic glaucoma cell models. Cell function was determined by cell counting kit 8 assay, EdU assay and wound healing assay. Protein levels were determined by western blot analysis. Quantitative real-time PCR was used to measure RNA expression. Dual-luciferase reporter assay was performed to evaluate RNA interaction. RESULTS Our data confirmed that TGF-β1 induced HTFs proliferation, migration and extracellular matrix (ECM) deposition. Circ_0080940 was highly expressed in glaucoma patients, and its knockdown inhibited TGF-β1-induced proliferation, migration and ECM deposition in HTFs. Circ_0080940 sponged miR-139-5p, and anti-miR-139-5p revoked the effect of si-circ_0080940 on the biological functions of TGF-β1-induced HTFs. CTGF was targeted by miR-139-5p, and overexpressed CTGF overturned the inhibition effect of miR-139-5p on the biological functions of TGF-β1-induced HTFs. Furthermore, CTGF expression could be positively regulated by circ_0080940. CONCLUSION To sum up, we confirmed that circ_0080940 contributed to glaucoma progression by miR-139-5p/CTGF axis.
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Affiliation(s)
- Yanxi Wang
- Department of Ophthalmology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yinggui Yu
- Department of Ophthalmology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Manhua Xu
- Department of Ophthalmology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Juan Zhou
- Department of Ophthalmology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Gangjin Kang
- Department of Ophthalmology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Kaiming Li
- Department of Ophthalmology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
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15
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Hetz R, Magaway C, Everett J, Li L, Willard BB, Freeze HH, He P. Comparative proteomics reveals elevated CCN2 in NGLY1-deficient cells. Biochem Biophys Res Commun 2022; 632:165-172. [PMID: 36209585 PMCID: PMC9677521 DOI: 10.1016/j.bbrc.2022.09.100] [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: 09/09/2022] [Revised: 09/13/2022] [Accepted: 09/25/2022] [Indexed: 01/05/2023]
Abstract
N-glycanase 1(NGLY1) catalyzes the removal of N-linked glycans from newly synthesized or misfolded protein. NGLY1 deficiency is a recently diagnosed rare genetic disorder. The affected individuals present a broad spectrum of clinical features. Recent studies explored several possible molecular mechanisms of NGLY1 deficiency including defects in proteostasis, mitochondrial homeostasis, innate immunity, and water/ion transport. We demonstrate abnormal accumulation of endoplasmic reticulum-associated degradation (ERAD) substrates in NGLY1-deficient cells. Global quantitative proteomics discovered elevated levels of endogenous proteins in NGLY1-defective human and mouse cells. Further biological validation assays confirmed the altered abundance of several key candidates that were subjected to isobarically labeled proteomic analysis. CCN2 was selected for further analysis due to its significant increase in different cell models of NGLY1 deficiency. Functional assays show elevated CCN2 and over-stimulated TGF-β signaling in NGLY1-deficient cells. Given the important role of CCN2 and TGF-β pathway in mediating systemic fibrosis, we propose a potential link of increased CCN2 and TGF-β signaling to microscopic liver fibrosis in NGLY1 patients.
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Affiliation(s)
- Rebecca Hetz
- Department of Biochemistry, Lake Erie College of Osteopathic Medicine, Erie, PA, USA
| | - Carlo Magaway
- Department of Biochemistry, Lake Erie College of Osteopathic Medicine, Erie, PA, USA
| | - Jaylene Everett
- Department of Biochemistry, Lake Erie College of Osteopathic Medicine, Erie, PA, USA
| | - Ling Li
- Proteomics and Metabolomics Core, Cleveland Clinic Lerner Research Institute, Cleveland, Ohio, USA
| | - Belinda B. Willard
- Proteomics and Metabolomics Core, Cleveland Clinic Lerner Research Institute, Cleveland, Ohio, USA
| | - Hudson H. Freeze
- Human Genetics Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Ping He
- Department of Biochemistry, Lake Erie College of Osteopathic Medicine, Erie, PA, USA,Correspondence: Department of Pre-Clinical Medicine, Lake Erie College of Osteopathic Medicine, 2000 West Grandview Boulevard, Room: 2-107, Erie, PA 16509, USA,
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16
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Protective Effects of Carnosol on Renal Interstitial Fibrosis in a Murine Model of Unilateral Ureteral Obstruction. Antioxidants (Basel) 2022; 11:antiox11122341. [PMID: 36552549 PMCID: PMC9774539 DOI: 10.3390/antiox11122341] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Renal fibrosis is a common feature of chronic kidney disease and is a promising therapeutic target. However, there is still limited treatment for renal fibrosis, so the development of new anti-fibrotic agents is urgently needed. Accumulating evidence suggest that oxidative stress and endoplasmic reticulum (ER) stress play a critical role in renal fibrosis. Carnosol (CS) is a bioactive diterpene compound present in rosemary plants and has potent antioxidant and anti-inflammatory properties. In this study, we investigated the potential effects of CS on renal injury and fibrosis in a murine model of unilateral ureteral obstruction (UUO). Male C57BL/6J mice underwent sham or UUO surgery and received intraperitoneal injections of CS (50 mg/kg) daily for 8 consecutive days. CS improved renal function and ameliorated renal tubular injury and interstitial fibrosis in UUO mice. It suppressed oxidative injury by inhibiting pro-oxidant enzymes and activating antioxidant enzymes. Activation of ER stress was also attenuated by CS. In addition, CS inhibited apoptotic and necroptotic cell death in kidneys of UUO mice. Furthermore, cytokine production and immune cell infiltration were alleviated by CS. Taken together, these findings indicate that CS can attenuate renal injury and fibrosis in the UUO model.
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17
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Harris RC. The Role of the Epidermal Growth Factor Receptor in Diabetic Kidney Disease. Cells 2022; 11:3416. [PMID: 36359813 PMCID: PMC9656309 DOI: 10.3390/cells11213416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 08/02/2023] Open
Abstract
The epidermal growth factor receptor (EGFR) is expressed in numerous cell types in the adult mammalian kidney and is activated by a family of EGF-like ligands. EGFR activation has been implicated in a variety of physiologic and pathophysiologic functions. There is increasing evidence that aberrant EGFR activation is a mediator of progressive kidney injury in diabetic kidney disease. This review will highlight recent studies indicating its potential role and mechanisms of injury of both glomerular and tubular cells in development and progression of diabetic kidney disease.
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Affiliation(s)
- Raymond C. Harris
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt Center for Kidney Disease, Vanderbilt University Medical Center, Nashville, TN 37232, USA; ; Tel.: +1-615-202-9426
- Tennessee and Veterans Affairs, Nashville, TN 37232, USA
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18
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Tang J, Liu F, Cooper ME, Chai Z. Renal fibrosis as a hallmark of diabetic kidney disease: Potential role of targeting transforming growth factor-beta (TGF-β) and related molecules. Expert Opin Ther Targets 2022; 26:721-738. [PMID: 36217308 DOI: 10.1080/14728222.2022.2133698] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Diabetic kidney disease (DKD) is the most common cause of end-stage renal disease (ESRD) worldwide. Currently, there is no effective treatment to completely prevent DKD progression to ESRD. Renal fibrosis and inflammation are the major pathological features of DKD, being pursued as potential therapeutic targets for DKD. AREAS COVERED Inflammation and renal fibrosis are involved in the pathogenesis of DKD. Anti-inflammatory drugs have been developed to combat DKD but without efficacy demonstrated. Thus, we have focused on the mechanisms of TGF-β-induced renal fibrosis in DKD, as well as discussing the important molecules influencing the TGF-β signaling pathway and their potential development into new pharmacotherapies, rather than targeting the ligand TGF-β and/or its receptors, such options include Smads, microRNAs, histone deacetylases, connective tissue growth factor, bone morphogenetic protein 7, hepatocyte growth factor, and cell division autoantigen 1. EXPERT OPINION TGF-β is a critical driver of renal fibrosis in DKD. Molecules that modulate TGF-β signaling rather than TGF-β itself are potentially superior targets to safely combat DKD. A comprehensive elucidation of the pathogenesis of DKD is important, which requires a better model system and access to clinical samples via collaboration between basic and clinical researchers.
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Affiliation(s)
- Jiali Tang
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
| | - Fang Liu
- Department of Nephrology and Laboratory of Diabetic Kidney Disease, Centre of Diabetes and Metabolism Research, West China Hospital, Sichuan University, Chengdu, China
| | - Mark E Cooper
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
| | - Zhonglin Chai
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
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19
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Wang Y, Yu F, Li A, He Z, Qu C, He C, Ma X, Zhan H. The progress and prospect of natural components in rhubarb (Rheum ribes L.) in the treatment of renal fibrosis. Front Pharmacol 2022; 13:919967. [PMID: 36105187 PMCID: PMC9465315 DOI: 10.3389/fphar.2022.919967] [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: 04/14/2022] [Accepted: 08/03/2022] [Indexed: 11/25/2022] Open
Abstract
Background: Renal fibrosis is a key pathological change that occurs in the progression of almost all chronic kidney diseases . CKD has the characteristics of high morbidity and mortality. Its prevalence is increasing each year on a global scale, which seriously affects people’s health and quality of life. Natural products have been used for new drug development and disease treatment for many years. The abundant natural products in R. ribes L. can intervene in the process of renal fibrosis in different ways and have considerable therapeutic prospects. Purpose: The etiology and pathology of renal fibrosis were analyzed, and the different ways in which the natural components of R. ribes L. can intervene and provide curative effects on the process of renal fibrosis were summarized. Methods: Electronic databases, such as PubMed, Life Science, MEDLINE, and Web of Science, were searched using the keywords ‘R. ribes L.’, ‘kidney fibrosis’, ‘emodin’ and ‘rhein’, and the various ways in which the natural ingredients protect against renal fibrosis were collected and sorted out. Results: We analyzed several factors that play a leading role in the pathogenesis of renal fibrosis, such as the mechanism of the TGF-β/Smad and Wnt/β-catenin signaling pathways. Additionally, we reviewed the progress of the treatment of renal fibrosis with natural components in R. ribes L. and the intervention mechanism of the crucial therapeutic targets. Conclusion: The natural components of R. ribes L. have a wide range of intervention effects on renal fibrosis targets, which provides new ideas for the development of new anti-kidney fibrosis drugs.
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Affiliation(s)
- Yangyang Wang
- Clinical School of Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fangwei Yu
- Clinical School of Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ao Li
- Clinical School of Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zijia He
- Clinical School of Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Caiyan Qu
- Clinical School of Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Caiying He
- Clinical School of Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiao Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Xiao Ma, ; Huakui Zhan,
| | - Huakui Zhan
- Affiliated Hospital of Chengdu University of Traditional Chinese Medicine-Sichuan Provincial Hospital of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Xiao Ma, ; Huakui Zhan,
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20
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Irisin Ameliorates Intervertebral Disc Degeneration by Activating LATS/YAP/CTGF Signaling. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9684062. [PMID: 35915608 PMCID: PMC9338732 DOI: 10.1155/2022/9684062] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/05/2022] [Indexed: 12/30/2022]
Abstract
Unbalanced metabolism of an extracellular matrix (ECM) in nucleus pulposus cells (NPCs) is widely acknowledged as the primary cause of intervertebral disc degeneration (IDD). Irisin, a novel myokine, is cleaved from fibronectin type III domain-containing 5 (FNDC5) and has recently been proven to regulate the metabolism of ECM. However, little is known about its potential on NPCs and the development of IDD. Therefore, this study sought to examine the protective effects and molecular mechanism of irisin on IDD in vivo and in vitro. Decreased expression levels of FNDC5 and anabolism markers (COL2A1 and ACAN) but increased levels of catabolism markers (ADAMTS4) were found in degenerative nucleus pulposus (NP) tissues. In a punctured-induced rat IDD model, irisin treatment was found to significantly slow the development of IDD, and in TNF-α-stimulated NPCs, irisin treatment partly reversed the disorder of ECM metabolism. In mechanism, RNA-seq results suggested that irisin treatment affected the Hippo signaling pathway. Further studies revealed that with irisin treatment, the phosphorylation levels of key factors (LATS and YAP) were downregulated, while the expression level of CTGF was upregulated. Moreover, CTGF knockdown partially eliminated the protective effects of irisin on the metabolism of ECM in NPCs, including inhibiting the anabolism and promoting the catabolism. Taken together, this study demonstrated that the expression levels of FNDC5 were decreased in degenerative NP tissues, while irisin treatment promoted the anabolism, inhibited the catabolism of the ECM in NPCs, and delayed the progression of IDD via LATS/YAP/CTGF signaling. These results shed light on the protective actions of irisin on NPCs, leading to the development of a novel therapeutic target for treating IDD.
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The fibrogenic niche in kidney fibrosis: components and mechanisms. Nat Rev Nephrol 2022; 18:545-557. [PMID: 35788561 DOI: 10.1038/s41581-022-00590-z] [Citation(s) in RCA: 92] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 02/08/2023]
Abstract
Kidney fibrosis, characterized by excessive deposition of extracellular matrix (ECM) that leads to tissue scarring, is the final common outcome of a wide variety of chronic kidney diseases. Rather than being distributed uniformly across the kidney parenchyma, renal fibrotic lesions initiate at certain focal sites in which the fibrogenic niche is formed in a spatially confined fashion. This niche provides a unique tissue microenvironment that is orchestrated by a specialized ECM network consisting of de novo-induced matricellular proteins. Other structural elements of the fibrogenic niche include kidney resident and infiltrated inflammatory cells, extracellular vesicles, soluble factors and metabolites. ECM proteins in the fibrogenic niche recruit soluble factors including WNTs and transforming growth factor-β from the extracellular milieu, creating a distinctive profibrotic microenvironment. Studies using decellularized ECM scaffolds from fibrotic kidneys show that the fibrogenic niche autonomously promotes fibroblast proliferation, tubular injury, macrophage activation and endothelial cell depletion, pathological features that recapitulate key events in the pathogenesis of chronic kidney disease. The concept of the fibrogenic niche represents a paradigm shift in understanding of the mechanism of kidney fibrosis that could lead to the development of non-invasive biomarkers and novel therapies not only for chronic kidney disease, but also for fibrotic diseases of other organs.
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A Single Oral Dose of Diclofenac Causes Transition of Experimental Subclinical Acute Kidney Injury to Chronic Kidney Disease. Biomedicines 2022; 10:biomedicines10051198. [PMID: 35625934 PMCID: PMC9138744 DOI: 10.3390/biomedicines10051198] [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: 04/30/2022] [Revised: 05/12/2022] [Accepted: 05/17/2022] [Indexed: 11/16/2022] Open
Abstract
Nephrotoxic drugs can cause acute kidney injury (AKI) and analgesic nephropathy. Diclofenac is potentially nephrotoxic and frequently prescribed for pain control. In this study, we investigated the effects of single and repetitive oral doses of diclofenac in the setting of pre-existing subclinical AKI on the further course of AKI and on long-term renal consequences. Unilateral renal ischemia–reperfusion injury (IRI) for 15 min was performed in male CD1 mice to induce subclinical AKI. Immediately after surgery, single oral doses (100 mg or 200 mg) of diclofenac were administered. In a separate experimental series, repetitive treatment with 100 mg diclofenac over three days was performed after IRI and sham surgery. Renal morphology and pro-fibrotic markers were investigated 24 h and two weeks after the single dose and three days after the repetitive dose of diclofenac treatment using histology, immunofluorescence, and qPCR. Renal function was studied in a bilateral renal IRI model. A single oral dose of 200 mg, but not 100 mg, of diclofenac after IRI aggravated acute tubular injury after 24 h and caused interstitial fibrosis and tubular atrophy two weeks later. Repetitive treatment with 100 mg diclofenac over three days aggravated renal injury and caused upregulation of the pro-fibrotic marker fibronectin in the setting of subclinical AKI, but not in sham control kidneys. In conclusion, diclofenac aggravated renal injury in pre-existing subclinical AKI in a dose and time-dependent manner and already a single dose can cause progression to chronic kidney disease (CKD) in this model.
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β-Elemene Attenuates Renal Fibrosis in the Unilateral Ureteral Obstruction Model by Inhibition of STAT3 and Smad3 Signaling via Suppressing MyD88 Expression. Int J Mol Sci 2022; 23:ijms23105553. [PMID: 35628363 PMCID: PMC9143890 DOI: 10.3390/ijms23105553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 12/20/2022] Open
Abstract
Renal fibrosis is a chronic pathological process that seriously endangers human health. However, the current therapeutic options for this disease are extremely limited. Previous studies have shown that signaling factors such as JAK2/STAT3, Smad3, and Myd88 play a regulatory role in renal fibrosis, and β-elemene is a plant-derived sesquiterpenoid organic compound that has been shown to have anti-inflammatory, anti-cancer, and immunomodulatory effects. In the present study, the anti-fibrotic effect of β-elemene was demonstrated by in vivo and in vitro experiments. It was shown that β-elemene inhibited the synthesis of extracellular matrix-related proteins in unilateral ureteral obstruction mice, and TGF-β stimulated rat interstitial fibroblast cells, including α-smooth muscle actin, vimentin, and connective tissue growth factor, etc. Further experiments showed that β-elemene reduced the expression levels of the above-mentioned fibrosis-related proteins by blocking the phosphorylation of JAK2/STAT3, Smad3, and the expression or up-regulation of MyD88. Notably, knockdown of MyD88 attenuated the phosphorylation levels of STAT3 and Smad3 in TGF-β stimulated NRK49F cell, which may be a novel molecular mechanism by which β-elemene affects renal interstitial fibrosis. In conclusion, this study elucidated the anti-interstitial fibrosis effect of β-elemene, which provides a new direction for future research and development of drugs related to chronic kidney disease.
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Cao B, Zeng M, Si Y, Zhang B, Wang Y, Xu R, Huang Y, Feng W, Zheng X. Extract of Corallodiscus flabellata attenuates renal fibrosis in SAMP8 mice via the Wnt/β-catenin/RAS signaling pathway. BMC Complement Med Ther 2022; 22:52. [PMID: 35227255 PMCID: PMC8887028 DOI: 10.1186/s12906-022-03535-y] [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: 10/10/2021] [Accepted: 02/22/2022] [Indexed: 11/17/2022] Open
Abstract
Background Fibrosis is one of the most common pathological features of the aging process of the kidney, and fibrosis in aging kidneys also aggravates the process of chronic kidney disease (CKD). Corallodiscus flabellata B. L. Burtt (C. flabellata, CF) is a commonly used botanical drug in Chinese folklore. However, few studies have reported its pharmacological effects. This study aimed to explore the effect of CF ethanol extract on renal fibrosis in SAMP8 mice and identify potentially active compounds. Methods Senescence-accelerated mouse-prone 8 (SAMP8) were used as animal models, and different doses of CF were given by gavage for one month. To observe the degree of renal aging in mice using β-galactosidase staining. Masson staining and the expression levels of Col-I, α-SMA, and FN were used to evaluate the renal fibrosis in mice. The protein expression levels of Nrf2 pathway and Wnt/β-catenin/RAS pathway in the kidney were measured. And β-galactosidase (β-gal) induced NRK-52E cells as an in vitro model to screen the active components of CF. Results The CF ethanol extract significantly inhibited the activity of renal β-galactosidase and the expression levels of Col-I, α-SMA, and FN in SAMP8 mice, and improved Masson staining in SAMP8 mice. CF remarkably reduced urinary protein, creatinine, urea nitrogen and serum levels of TNF-α and IL-1β in SAMP8 mice, and significantly increased the levels of SOD and GSH-Px. Moreover, CF activated the Nrf2 pathway and blocked the Wnt/β-catenin/RAS pathway in the kidneys of mice. Besides, 3,4-dihydroxyphenylethanol (SDC-0-14, 16) and (3,4-dihydroxyphenylethanol-8-O-[4-O-trans-caffeoyl-β-D-apiofuranosyl-(1→3)-β-D-glucopyranosyl (1→6)]-β-D-glucopyranoside (SDC-1-8) were isolated from CF, which reduced the senescence of NRK-52E cells, and maybe the active ingredients of CF playing the anti-aging role. Conclusions Our experiments illuminated that CF ethanol extract may ameliorate renal fibrosis in SAMP8 mice via the Wnt/β-catenin/RAS pathway. And SDC-0-14,16 and SDC-1-8 may be the material basis for CF to exert anti-renal senescence-related effects. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03535-y.
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Affiliation(s)
- Bing Cao
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Mengnan Zeng
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Yanpo Si
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Beibei Zhang
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Yangyang Wang
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Ruiqi Xu
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Yanjie Huang
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Weisheng Feng
- Henan University of Chinese Medicine, 450046, Zhengzhou, China.,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China
| | - Xiaoke Zheng
- Henan University of Chinese Medicine, 450046, Zhengzhou, China. .,The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 450046, Zhengzhou, China. .,School of Pharmacy, Henan University of Chinese Medicine, 156 Jinshui East Road, 450046, Zhengzhou, China.
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25
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Yan Z, Wang G, Shi X. Advances in the Progression and Prognosis Biomarkers of Chronic Kidney Disease. Front Pharmacol 2022; 12:785375. [PMID: 34992536 PMCID: PMC8724575 DOI: 10.3389/fphar.2021.785375] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/30/2021] [Indexed: 12/29/2022] Open
Abstract
Chronic kidney disease (CKD) is one of the increasingly serious public health concerns worldwide; the global burden of CKD is increasingly due to high morbidity and mortality. At present, there are three key problems in the clinical treatment and management of CKD. First, the current diagnostic indicators, such as proteinuria and serum creatinine, are greatly interfered by the physiological conditions of patients, and the changes in the indicator level are not synchronized with renal damage. Second, the established diagnosis of suspected CKD still depends on biopsy, which is not suitable for contraindication patients, is also traumatic, and is not sensitive to early progression. Finally, the prognosis of CKD is affected by many factors; hence, it is ineviatble to develop effective biomarkers to predict CKD prognosis and improve the prognosis through early intervention. Accurate progression monitoring and prognosis improvement of CKD are extremely significant for improving the clinical treatment and management of CKD and reducing the social burden. Therefore, biomarkers reported in recent years, which could play important roles in accurate progression monitoring and prognosis improvement of CKD, were concluded and highlighted in this review article that aims to provide a reference for both the construction of CKD precision therapy system and the pharmaceutical research and development.
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Affiliation(s)
- Zhonghong Yan
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Guanran Wang
- Heilongjiang University of Chinese Medicine, Harbin, China.,Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xingyang Shi
- Heilongjiang University of Chinese Medicine, Harbin, China
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26
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Chen CM, Lin CY, Chung YP, Liu CH, Huang KT, Guan SS, Wu CT, Liu SH. Protective Effects of Nootkatone on Renal Inflammation, Apoptosis, and Fibrosis in a Unilateral Ureteral Obstructive Mouse Model. Nutrients 2021; 13:nu13113921. [PMID: 34836176 PMCID: PMC8621682 DOI: 10.3390/nu13113921] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 12/17/2022] Open
Abstract
Nootkatone is one of the major active ingredients of Alpiniae oxyphyllae, which has been used as both food and medicinal plants for the treatment of diarrhea, ulceration, and enuresis. In this study, we aimed to investigate whether nootkatone treatment ameliorated the progression of chronic kidney diseases (CKD) and clarified its underlying mechanisms in an obstructive nephropathy (unilateral ureteral obstructive; UUO) mouse model. Our results revealed that nootkatone treatment preventively decreased the pathological changes and significantly mitigated the collagen deposition as well as the protein expression of fibrotic markers. Nootkatone could also alleviate oxidative stress-induced injury, inflammatory cell infiltration, and renal cell apoptotic death in the kidneys of UUO mice. These results demonstrated for the first time that nootkatone protected against the progression of CKD in a UUO mouse model. It may serve as a potential therapeutic candidate for CKD intervention.
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Affiliation(s)
- Chang-Mu Chen
- Division of Neurosurgery, Department of Surgery, College of Medicine and Hospital, National Taiwan University, Taipei 10051, Taiwan;
| | - Chen-Yu Lin
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; (C.-Y.L.); (Y.-P.C.)
| | - Yao-Pang Chung
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; (C.-Y.L.); (Y.-P.C.)
| | - Chia-Hung Liu
- Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11041, Taiwan;
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11041, Taiwan
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
| | - Kuo-Tong Huang
- Department of Nephrology, Department of Internal Medicine, National Taiwan University Hospital, Taipei 10051, Taiwan;
| | - Siao-Syun Guan
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan 32546, Taiwan;
| | - Cheng-Tien Wu
- Department of Nutrition, China Medical University, Taichung 406040, Taiwan
- Master Program of Food and Drug Safety, China Medical University, Taichung 406040, Taiwan
- Correspondence: (C.-T.W.); (S.-H.L.); Tel.: +886-4-22053366 (ext. 7525) (C.-T.W.); +886-2-23123456 (ext. 88605) (S.-H.L.)
| | - Shing-Hwa Liu
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; (C.-Y.L.); (Y.-P.C.)
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 406040, Taiwan
- Department of Paediatrics, National Taiwan University Hospital, Taipei 10051, Taiwan
- Correspondence: (C.-T.W.); (S.-H.L.); Tel.: +886-4-22053366 (ext. 7525) (C.-T.W.); +886-2-23123456 (ext. 88605) (S.-H.L.)
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27
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Rebolledo DL, Acuña MJ, Brandan E. Role of Matricellular CCN Proteins in Skeletal Muscle: Focus on CCN2/CTGF and Its Regulation by Vasoactive Peptides. Int J Mol Sci 2021; 22:5234. [PMID: 34063397 PMCID: PMC8156781 DOI: 10.3390/ijms22105234] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/28/2021] [Accepted: 05/12/2021] [Indexed: 02/08/2023] Open
Abstract
The Cellular Communication Network (CCN) family of matricellular proteins comprises six proteins that share conserved structural features and play numerous biological roles. These proteins can interact with several receptors or soluble proteins, regulating cell signaling pathways in various tissues under physiological and pathological conditions. In the skeletal muscle of mammals, most of the six CCN family members are expressed during embryonic development or in adulthood. Their roles during the adult stage are related to the regulation of muscle mass and regeneration, maintaining vascularization, and the modulation of skeletal muscle fibrosis. This work reviews the CCNs proteins' role in skeletal muscle physiology and disease, focusing on skeletal muscle fibrosis and its regulation by Connective Tissue Growth factor (CCN2/CTGF). Furthermore, we review evidence on the modulation of fibrosis and CCN2/CTGF by the renin-angiotensin system and the kallikrein-kinin system of vasoactive peptides.
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Affiliation(s)
- Daniela L. Rebolledo
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas 6213515, Chile
| | - María José Acuña
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Centro Integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O Higgins, Santiago 8370854, Chile
| | - Enrique Brandan
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
- Fundación Ciencia & Vida, Santiago 7810000, Chile
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28
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Tam AYY, Horwell AL, Trinder SL, Khan K, Xu S, Ong V, Denton CP, Norman JT, Holmes AM, Bou-Gharios G, Abraham DJ. Selective deletion of connective tissue growth factor attenuates experimentally-induced pulmonary fibrosis and pulmonary arterial hypertension. Int J Biochem Cell Biol 2021; 134:105961. [PMID: 33662577 PMCID: PMC8111417 DOI: 10.1016/j.biocel.2021.105961] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 12/17/2022]
Abstract
Connective tissue growth factor (CTGF, CCN2) is a matricellular protein which plays key roles in normal mammalian development and in tissue homeostasis and repair. In pathological conditions, dysregulated CCN2 has been associated with cancer, cardiovascular disease, and tissue fibrosis. In this study, genetic manipulation of the CCN2 gene was employed to investigate the role of CCN2 expression in vitro and in experimentally-induced models of pulmonary fibrosis and pulmonary arterial hypertension (PAH). Knocking down CCN2 using siRNA reduced expression of pro-fibrotic markers (fibronectin p < 0.01, collagen type I p < 0.05, α-SMA p < 0.0001, TIMP-1 p < 0.05 and IL-6 p < 0.05) in TGF-β-treated lung fibroblasts derived from systemic sclerosis patients. In vivo studies were performed in mice using a conditional gene deletion strategy targeting CCN2 in a fibroblast-specific and time-dependent manner in two models of lung disease. CCN2 deletion significantly reduced pulmonary interstitial scarring and fibrosis following bleomycin-instillation, as assessed by fibrotic scores (wildtype bleomycin 3.733 ± 0.2667 vs CCN2 knockout (KO) bleomycin 4.917 ± 0.3436, p < 0.05) and micro-CT. In the well-established chronic hypoxia/Sugen model of pulmonary hypertension, CCN2 gene deletion resulted in a significant decrease in pulmonary vessel remodelling, less right ventricular hypertrophy and a reduction in the haemodynamic measurements characteristic of PAH (RVSP and RV/LV + S were significantly reduced (p < 0.05) in CCN2 KO compared to WT mice in hypoxic/SU5416 conditions). These results support a prominent role for CCN2 in pulmonary fibrosis and in vessel remodelling associated with PAH. Therefore, therapeutics aimed at blocking CCN2 function are likely to benefit several forms of severe lung disease.
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Affiliation(s)
- Angela Y Y Tam
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK.
| | - Amy L Horwell
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, L7 8TX, UK
| | - Sarah L Trinder
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
| | - Korsa Khan
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
| | - Shiwen Xu
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
| | - Voon Ong
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
| | - Christopher P Denton
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
| | - Jill T Norman
- Department of Renal Medicine, Division of Medicine, University College London, London, NW3 2PF, UK
| | - Alan M Holmes
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
| | - George Bou-Gharios
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, L7 8TX, UK
| | - David J Abraham
- Centre for Rheumatology and Connective Tissue Disease, Department of Inflammation, Division of Medicine, University College London, London, NW3 2PF, UK
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29
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Wilson SE. TGF beta -1, -2 and -3 in the modulation of fibrosis in the cornea and other organs. Exp Eye Res 2021; 207:108594. [PMID: 33894227 DOI: 10.1016/j.exer.2021.108594] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/10/2021] [Accepted: 04/16/2021] [Indexed: 02/06/2023]
Abstract
The TGF beta-1, -2 and -3 isoforms are transcribed from different genes but bind to the same receptors and signal through the same canonical and non-canonical signal transduction pathways. There are numerous regulatory mechanisms controlling the action of each isoform that include the organ-specific cells producing latent TGF beta growth factors, multiple effectors that activate the isoforms, ECM-associated SLRPs and basement membrane components that modulate the activity and localization of the isoforms, other interactive cytokine-growth factor receptor systems, such as PDGF and CTGF, TGF beta receptor expression on target cells, including myofibroblast precursors, receptor binding competition, positive and negative signal transduction effectors, and transcription and translational regulatory mechanisms. While there has long been the view that TGF beta-1and TGF beta-2 are pro-fibrotic, while TGF beta-3 is anti-fibrotic, this review suggests that view is too simplistic, at least in adult tissues, since TGF beta-3 shares far more similarities in its modulation of fibrotic gene expression with TGF beta-1 and TGF beta-2, than it does differences, and often the differences are subtle. Rather, TGF beta-3 should be seen as a fibro-modulatory partner to the other two isoforms that modulates a nuanced and better controlled response to injury. The complex interplay between the three isoforms and numerous interactive proteins, in the context of the cellular milieu, controls regenerative non-fibrotic vs. fibrotic healing in a response to injury in a particular organ, as well as the resolution of fibrosis, when that occurs.
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Affiliation(s)
- Steven E Wilson
- The Cole Eye Institute, The Cleveland Clinic, Cleveland, OH, USA.
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30
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Yu X, Su Q, Geng J, Liu H, Liu Y, Liu J, Shi Y, Zou Y. Ginkgo biloba leaf extract prevents diabetic nephropathy through the suppression of tissue transglutaminase. Exp Ther Med 2021; 21:333. [PMID: 33732306 PMCID: PMC7903480 DOI: 10.3892/etm.2021.9764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 01/18/2021] [Indexed: 12/28/2022] Open
Abstract
The present study aimed to investigate the preventive effects of Ginkgo biloba leaf extract (GBE) against extracellular matrix (ECM) accumulation in a streptozotocin (STZ)-induced rat model of diabetic nephropathy (DN), and to determine its underlying molecular mechanism. In vivo, a rat model of DN was established by intraperitoneal injection of STZ, and the rats were subsequently administered GBE. The results demonstrated that GBE significantly decreased blood glucose, the urine protein excretion rate and ECM accumulation in DN rats. In addition, the development of DN significantly induced tissue transglutaminase (tTG) protein expression, which was detected by immunohistochemistry, western blotting and PCR analyses, while GBE administration decreased tTG expression in the diabetic kidney. In vitro, rat glomerular mesangial cells (HBZY-1 cells) cultured with high glucose were also treated with GBE. The concentrations of tTG, fibronectin, type IV collagen, transforming growth factor (TGF)-β and connective tissue growth factor (CTGF) were detected via ELISA. The results demonstrated that GBE notably decreased the concentration of these proteins, and tTG expression was positively associated with TGF-β. GBE also suppressed tTG expression of high glucose-treated HBZY-1 cells in a concentration-dependent manner. Furthermore, tTG protein expression was detected in high glucose-treated HBZY-1 cells transfected with small interfering RNA (siRNA) oligonucleotides against TGF-β and CTGF to investigate a possible mechanism of GBE-mediated inhibition of tTG. The results demonstrated that the tTG levels remained unchanged in CTGF siRNA-transfected cells, but were decreased in the GBE + CTGF siRNA group compared with the control siRNA group, suggesting that tTG may not be regulated by CTGF, and the inhibitory effect of GBE on tTG may not be associated with the direct inhibition of CTGF. However, tTG expression was decreased following the transfection with TGF-β siRNA, in which levels of tTG were similar compared with both the GBE group and GBE + TGF-β siRNA group, indicating that tTG may be regulated by TGF-β, and that the GBE-induced repression of tTG expression may be associated with the downregulation of TGF-β. Taken together, the results of the present study suggest that GBE prevented ECM accumulation by suppressing tTG expression in DN, which was predominantly mediated by TGF-β.
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Affiliation(s)
- Xiaoyan Yu
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Qing Su
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Jianan Geng
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Hui Liu
- Department of Anatomy, College of Basic Medical Science, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Yumeng Liu
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Jinming Liu
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yan Shi
- Department of Experimental Pharmacology and Toxicology, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yinggang Zou
- Department of Obstetrics and Gynecology, The Second Hospital, Jilin University, Changchun, Jilin 130041, P.R. China
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Dillinger AE, Kuespert S, Froemel F, Tamm ER, Fuchshofer R. CCN2/CTGF promotor activity in the developing and adult mouse eye. Cell Tissue Res 2021; 384:625-641. [PMID: 33512643 PMCID: PMC8211604 DOI: 10.1007/s00441-020-03332-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/29/2020] [Indexed: 12/23/2022]
Abstract
CCN2/CTGF is a matricellular protein that is known to enhance transforming growth factor-β signaling and to induce a myofibroblast-like phenotype in a variety of cell types. Here, we investigated Ccn2/Ctgf promotor activity during development and in the adult mouse eye, using CTGFLacZ/+ mice in which the β-galactosidase reporter gene LacZ had been inserted into the open reading frame of Ccn2/Ctgf. Promotor activity was assessed by staining for β-galactosidase activity and by immunolabeling using antibodies against β-galactosidase. Co-immunostaining using antibodies against glutamine synthetase, glial fibrillary acidic protein, choline acetyltransferase, and CD31 was applied to identify specific cell types. Ccn2/Ctgf promotor activity was intense in neural crest-derived cells differentiating to corneal stroma and endothelium, and to the stroma of choroid, iris, ciliary body, and the trabecular meshwork during development. In the adult eye, a persistent and very strong promotor activity was present in the trabecular meshwork outflow pathways. In addition, endothelial cells of Schlemm’s canal, and of retinal and choroidal vessels, retinal astrocytes, Müller glia, and starburst amacrine cells were stained. Very strong promoter activity was seen in the astrocytes of the glial lamina at the optic nerve head. We conclude that CCN2/CTGF signaling is involved in the processes that govern neural crest morphogenesis during ocular development. In the adult eye, CCN2/CTGF likely plays an important role for the trabecular meshwork outflow pathways and the glial lamina of the optic nerve head.
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Affiliation(s)
- Andrea E Dillinger
- Institute of Human Anatomy and Embryology, University of Regensburg, 93053, Regensburg, Germany
| | - Sabrina Kuespert
- Institute of Human Anatomy and Embryology, University of Regensburg, 93053, Regensburg, Germany
| | - Franziska Froemel
- Institute of Human Anatomy and Embryology, University of Regensburg, 93053, Regensburg, Germany
| | - Ernst R Tamm
- Institute of Human Anatomy and Embryology, University of Regensburg, 93053, Regensburg, Germany
| | - Rudolf Fuchshofer
- Institute of Human Anatomy and Embryology, University of Regensburg, 93053, Regensburg, Germany.
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MicroRNA-338-5p alleviates cerebral ischemia/reperfusion injury by targeting connective tissue growth factor through the adenosine 5'-monophosphate-activated protein kinase/mammalian target of rapamycin signaling pathway. Neuroreport 2021; 31:256-264. [PMID: 32032283 DOI: 10.1097/wnr.0000000000001404] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cerebral ischemia/reperfusion (CIR) injury could lead to the function of brain cell disorder and cerebral infarction. MicroRNAs (miRNAs) have been reported to participate in the progression and protection of CIR injury. Thus, our study aimed to investigate the functional effects of microRNA-338-5p (miR-338-5p) on proliferation, apoptosis, and inflammatory response of CIR injury. According to the results, miR-338-5p was downregulated in the brain of the mice caused by CIR injury, and overexpression of miR-338-5p reduced the neurological deficit and infarct volume of the brain in the mice caused by CIR injury. Meanwhile, miR-338-5p overexpression promoted the proliferation, while suppressed the apoptosis and the inflammatory response of Neuro-2a cells exposed to hypoxia/reoxygenation (H/R). Interestingly, miR-338-5p directly targeted connective tissue growth factor (CTGF) and overexpression of CTGF reversed the functional effects of miR-338-5p on proliferation, apoptosis, and inflammatory response in Neuro-2a cells caused by H/R. More importantly, miR-338-5p affected the adenosine 5¢-monophosphate (AMP)-activated protein kinase (AMPK)/mammalian target of rapamycin (mTOR) signaling pathway by regulating CTGF expression in Neuro-2a cells exposed to H/R. Taken together, we concluded that MiR-338-5p promoted the proliferation, while suppressed the apoptosis and the inflammatory response of cells exposed to H/R by targeting CTGF through the AMPK/mTOR signaling pathway.
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Sun C, Zhang H, Liu X. Emerging role of CCN family proteins in fibrosis. J Cell Physiol 2020; 236:4195-4206. [PMID: 33222181 DOI: 10.1002/jcp.30171] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/30/2020] [Accepted: 11/10/2020] [Indexed: 12/11/2022]
Abstract
Fibrosis is a common pathological change characterized by the excessive accumulation of fibrous connective tissue. Once uncontrolled, this pathological progress can lead to irreversible damage to the structure and function of organs, which is a serious threat to human health and life. Actually, the disability and death of patients caused by many chronic diseases have a closed relationship with fibrosis. The CCN protein family, including six members, is a small group of matrix proteins exhibiting structurally similar features. In the past 20 years, different biological functions of CCN proteins have been identified in various diseases. Of note, it has been recently shown that they are implicated in the key pathological process of fibrosis. In this review, we summarize the current status of knowledge regarding the role of CCN proteins involved in the pathogenesis of fibrosis diseases in detail. Furthermore, we highlight some of the underlying interaction mechanisms of CCN protein acting in fibrosis that helps to develop new drugs and determine appropriate clinical strategies for fibrotic diseases.
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Affiliation(s)
- Chao Sun
- Department of Spine Surgery, the Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Han Zhang
- Department of Spine Surgery, the Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xinhui Liu
- Department of Spine Surgery, the Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
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Chen Z, Zhang N, Chu HY, Yu Y, Zhang ZK, Zhang G, Zhang BT. Connective Tissue Growth Factor: From Molecular Understandings to Drug Discovery. Front Cell Dev Biol 2020; 8:593269. [PMID: 33195264 PMCID: PMC7658337 DOI: 10.3389/fcell.2020.593269] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/09/2020] [Indexed: 01/18/2023] Open
Abstract
Connective tissue growth factor (CTGF) is a key signaling and regulatory molecule involved in different biological processes, such as cell proliferation, angiogenesis, and wound healing, as well as multiple pathologies, such as tumor development and tissue fibrosis. Although the underlying mechanisms of CTGF remain incompletely understood, a commonly accepted theory is that the interactions between different protein domains in CTGF and other various regulatory proteins and ligands contribute to its variety of functions. Here, we highlight the structure of each domain of CTGF and its biology functions in physiological conditions. We further summarized main diseases that are deeply influenced by CTGF domains and the potential targets of these diseases. Finally, we address the advantages and disadvantages of current drugs targeting CTGF and provide the perspective for the drug discovery of the next generation of CTGF inhibitors based on aptamers.
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Affiliation(s)
- Zihao Chen
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Ning Zhang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Hang Yin Chu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Yuanyuan Yu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Zong-Kang Zhang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Bao-Ting Zhang
- School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
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Transdermal peptide conjugated to human connective tissue growth factor with enhanced cell proliferation and hyaluronic acid synthesis activities produced by a silkworm silk gland bioreactor. Appl Microbiol Biotechnol 2020; 104:9979-9990. [DOI: 10.1007/s00253-020-10836-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/19/2020] [Accepted: 08/14/2020] [Indexed: 12/12/2022]
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36
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Wu M, Yuan M, Wang Y, Tan B, Huang D, Wang C, Zou Y, Ye C. Renal asymmetric dimethylarginine inhibits fibrosis. FEBS Open Bio 2020; 10:2003-2009. [PMID: 32794631 PMCID: PMC7530377 DOI: 10.1002/2211-5463.12949] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/22/2020] [Accepted: 08/12/2020] [Indexed: 11/06/2022] Open
Abstract
Chronic kidney disease (CKD) is a worldwide public health problem that is caused by repeated injuries to the glomerulus or renal tubules. Renal fibrosis commonly accompanies CKD, and it is histologically characterized by excessive deposition of extracellular matrix proteins, such as fibronectin and collagen I, in interstitial areas. Indirect in vivo experimental data suggest that renal asymmetric dimethylarginine (ADMA) exerts antifibrotic activity in CKD. In this study, we aimed to demonstrate that renal ADMA has a direct effect on fibrosis in vivo. Normal saline, ADMA, nonsense control siRNA, Ddah1 siRNA or Ddah2 siRNA was administered into the kidney through the left ureter in a mouse model of unilateral ureteral obstruction (UUO). UUO kidneys were harvested at day 1 or 7. Western blotting was performed to assess the expression of ADMA, DDAH1 and DDAH2 and the expression of fibrotic markers, such as fibronectin, collagen I, α-smooth muscle actin, phosphorylation of Smad3 and connective tissue growth factor. Masson's trichrome staining was used to further evaluate renal fibrosis. We observed that intrarenal administration of ADMA increased the renal accumulation of ADMA and attenuated renal fibrosis at days 1 and 7. Knockdown of Ddah1 or Ddah2 increased the amount of ADMA in UUO kidneys and inhibited the expression of fibrotic proteins at days 1 and 7, which was further confirmed by Masson's staining. Thus, our in vivo data suggest that renal ADMA exerts direct antifibrotic effects in a mouse model of UUO.
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Affiliation(s)
- Ming Wu
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China
| | - Meijie Yuan
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China.,Department of Nephrology, The First Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yanzhe Wang
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China.,College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Bo Tan
- Clinical Pharmacokinetic Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China
| | - Di Huang
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China
| | - Chen Wang
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China
| | - Yun Zou
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China
| | - Chaoyang Ye
- Department of Nephrology, TCM Institute of Kidney Disease of Shanghai University of Traditional Chinese Medicine, Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, China
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Sun C, Zhang H, Wang X, Liu X. Ligamentum flavum fibrosis and hypertrophy: Molecular pathways, cellular mechanisms, and future directions. FASEB J 2020; 34:9854-9868. [PMID: 32608536 DOI: 10.1096/fj.202000635r] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 06/03/2020] [Accepted: 06/08/2020] [Indexed: 12/11/2022]
Abstract
Hypertrophy of ligamentum flavum (LF), along with disk protrusion and facet joints degeneration, is associated with the development of lumbar spinal canal stenosis (LSCS). Of note, LF hypertrophy is deemed as an important cause of LSCS. Histologically, fibrosis is proved to be the main pathology of LF hypertrophy. Despite the numerous studies explored the mechanisms of LF fibrosis at the molecular and cellular levels, the exact mechanism remains unknown. It is suggested that pathophysiologic stimuli such as mechanical stress, aging, obesity, and some diseases are the causative factors. Then, many cytokines and growth factors secreted by LF cells and its surrounding tissues play different roles in activating the fibrotic response. Here, we summarize the current status of detailed knowledge available regarding the causative factors, pathology, molecular and cellular mechanisms implicated in LF fibrosis and hypertrophy, also focusing on the possible avenues for anti-fibrotic strategies.
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Affiliation(s)
- Chao Sun
- Department of Spine Surgery, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, China
| | - Han Zhang
- Department of Spine Surgery, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, China
| | - Xiang Wang
- Department of Spine Surgery, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, China
| | - Xinhui Liu
- Department of Spine Surgery, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, China
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Habeichi N, Mroueh A, Kaplan A, Ghali R, Al-Awassi H, Tannous C, Husari A, Jurjus A, Altara R, Booz G, El-Yazbi A, Zouein F. Sex-based differences in myocardial infarction-induced kidney damage following cigarette smoking exposure: more renal protection in premenopausal female mice. Biosci Rep 2020; 40:BSR20193229. [PMID: 32519752 PMCID: PMC7313446 DOI: 10.1042/bsr20193229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 05/15/2020] [Accepted: 05/19/2020] [Indexed: 12/12/2022] Open
Abstract
The impact of cigarette smoking (CS) on kidney homeostasis in the presence of myocardial infarction (MI) in both males and females remains poorly elucidated. C57BL6/J mice were exposed to 2 weeks of CS prior to MI induction followed by 1 week of CS exposure in order to investigate the impact of CS on kidney damage in the presence of MI. Cardiac hemodynamic analysis revealed a significant decrease in ejection fraction (EF) in CS-exposed MI male mice when compared with the relative female subjects, whereas cardiac output (CO) comparably decreased in CS-exposed MI mice of both sexes. Kidney structural alterations, including glomerular retraction, proximal convoluted tubule (PCT) cross-sectional area, and total renal fibrosis were more pronounced in CS-exposed MI male mice when compared with the relative female group. Although renal reactive oxygen species (ROS) generation and glomerular DNA fragmentation significantly increased to the same extent in CS-exposed MI mice of both sexes, alpha-smooth muscle actin (α-SMA) and connective tissue growth factor (CTGF) significantly increased in CS-exposed MI male mice, only. Metabolically, nicotinamide phosphoribosyltransferase (NAMPT) and nicotinamide riboside-1 (NMRK-1) substantially increased in CS-exposed MI female mice only, whereas sirtuin (SIRT)-1 and SIRT-3 substantially decreased in CS-exposed MI male mice compared with their relative female group. Additionally, renal NAD levels significantly decreased only in CS-exposed MI male mice. In conclusion, MI female mice exhibited pronounced renal protection following CS when compared with the relative male groups.
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Affiliation(s)
- Nada J. Habeichi
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
- INSERM Department of Signaling and Cardiovascular Pathophysiology-UMR-S1180, University Paris-Saclay, Châtenay-Malabry, France
| | - Ali Mroueh
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Abdullah Kaplan
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Rana Ghali
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Hiam Al-Awassi
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Cynthia Tannous
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Ahmad Husari
- Department of Internal Medicine, Respiratory Diseases and Sleep Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Abdo Jurjus
- Department of Anatomy, Cell Biology, and Physiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Raffaele Altara
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
- KG Jebsen Center for Cardiac Research, Oslo, Norway
- Department of Pathology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, U.S.A
| | - George W. Booz
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, U.S.A
| | - Ahmed El-Yazbi
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Fouad A. Zouein
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
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Topical GDF11 accelerates skin wound healing in both type 1 and 2 diabetic mouse models. Biochem Biophys Res Commun 2020; 529:7-14. [PMID: 32560821 DOI: 10.1016/j.bbrc.2020.05.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 05/05/2020] [Indexed: 12/28/2022]
Abstract
This study aimed to investigate the role of truncated growth differentiation factor 11 (GDF11), in which the recognition site of Furin from wild-type GDF11 was deleted to enhance the cellular stability, in skin wound healing in the setting of diabetes mellitus (DM) and the underlying mechanisms. Our study found that both truncated and natural GDF11s effectively accelerated wound healing processes in both T1DM and T2DM mice with a potency compatible to PDGF, bFGF, and EGF, but being much higher than GDF8. At the cellular level, GDF11 stimulated the proliferation and suppressed HG-induced apoptosis of HSFs. Further study revealed that GDF11 activated the YAP-Smad2/3-CTGF fibrotic signaling pathway by reversing HG-induced upregulation of phosphorylated form of YAP (p-YAP), increases p-Smad2/3 levels, and restoring HG-induced repression of CTGF expression by GDF11. Overall, the study shows that both natural and truncated GDF11s promote the healing process of skin wound in mice of both T1DM and T2DM partly via stimulating dermal fibrosis via the YAP-Smad2/3-CTGF pathway, suggesting it a potential agent for treating skin wound in diabetic population.
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Xu Z, Dai XX, Zhang QY, Su SL, Yan H, Zhu Y, Shang EX, Qian DW, Duan JA. Protective effects and mechanisms of Rehmannia glutinosa leaves total glycoside on early kidney injury in db/db mice. Biomed Pharmacother 2020; 125:109926. [PMID: 32028239 DOI: 10.1016/j.biopha.2020.109926] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 12/10/2019] [Accepted: 12/15/2019] [Indexed: 02/07/2023] Open
Abstract
The spontaneous db/db mice were used to elucidate the biological effects and mechanisms of Rehmannia glutinosa leaves total glycoside (DHY) on kidney injury through biochemical indicators, kidney pathological section analysis, metabolic profiling, intestinal flora analysis and in vitro Human renal tubular epithelial (HK-2) cell model induced by high glucose. It was found that DHY can decrease the blood sugar level (insulin, INS; fasting blood glucose, FBG), blood lipid level (Total Cholesterol, T-CHO; Triglyceride, TG) significantly and improve kidney injury level (blood urea nitrogen, BUN; urine microalbumin, mALB; serum creatinine, Scr). It can also alleviate kidney tubular epithelial cell oedema and reduce interstitial connective tissue hyperplasia of the injury kidney induced by high glucose. 13 endogenous metabolites were identified in serum, which involved of ether lipid metabolism, sphingolipid metabolism, glyoxylic acid and dicarboxylic acid metabolism and arachidonic acid metabolism. High glucose can also lead to the disorder of intestinal flora, especially Firmicutes and Bacteroides. Meanwhile, DHY also inhibited the expression of α-SMA, TGF- β1, Smad3 and Smad4 in the kidney tissues of db/db mice and HK-2 cells. To sum up, DHY may restore the dysfunctional intestinal flora to normal and regulate glycolipid level of db/db mice as well as TGF-β/Smad signalling pathway regulation to improve early kidney damage caused by diabetes.
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Affiliation(s)
- Zhuo Xu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Xin-Xin Dai
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Qing-Yang Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Shu-Lan Su
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
| | - Hui Yan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Yue Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Er-Xin Shang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Da-Wei Qian
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Jin-Ao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
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