1
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Adachi E, Murakoshi M, Shibata T, Shimozawa K, Sakuma H, Kishida C, Gohda T, Suzuki Y. Progranulin deficiency attenuates tubulointerstitial injury in a mouse unilateral ureteral obstruction model. Exp Anim 2024; 73:293-301. [PMID: 38369347 PMCID: PMC11254487 DOI: 10.1538/expanim.23-0080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 02/02/2024] [Indexed: 02/20/2024] Open
Abstract
Progranulin (PGRN) may have two opposing effects-inflammation and anti-inflammation-in different diseases. Although previous studies have reported that PGRN is involved in liver fibrosis, its involvement in tubulointerstitial fibrosis remains to be fully elucidated. Herein, we investigated these issues using PGRN-knockout (KO) mice treated with unilateral ureteral obstruction (UUO). Eight-week-old male PGRN-KO and wild-type (WT) mice were euthanized 3 and 7 days following UUO, and their kidneys were harvested for histopathological analysis. The renal expression of PGRN was evaluated by immunohistochemical and/or western blot analyses. The renal mRNA levels of markers related to inflammation (Il1b, Tnf, Il6, Ccl2, and Adgre1) and fibrosis (Tgfb1, Acta2, Fn1, and Col1a2) were evaluated using quantitative PCR. Histological changes such as renal tubular atrophy, urinary casts, and tubulointerstitial fibrosis were significantly improved in UUO-KO mice compared with UUO-WT mice. Quantitative PCR revealed that the mRNA expression levels of all inflammation- and fibrosis-related markers were lower in UUO-KO mice than in UUO-WT mice at 3 and/or 7 days after UUO. Moreover, PGRN and GRN protein levels were higher in the kidneys of UUO-WT mice than in mice that did not undergo UUO. Elevated GRN levels associated with excess PGRN levels may be involved in the occurrence of renal inflammation and fibrosis in UUO mice.
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Affiliation(s)
- Eri Adachi
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Maki Murakoshi
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Terumi Shibata
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Kenta Shimozawa
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Hiroko Sakuma
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Chiaki Kishida
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Tomohito Gohda
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Yusuke Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
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2
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Song L, Zhang W, Tang SY, Luo SM, Xiong PY, Liu JY, Hu HC, Chen YQ, Jia B, Yan QH, Tang SQ, Huang W. Natural products in traditional Chinese medicine: molecular mechanisms and therapeutic targets of renal fibrosis and state-of-the-art drug delivery systems. Biomed Pharmacother 2024; 170:116039. [PMID: 38157643 DOI: 10.1016/j.biopha.2023.116039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/04/2023] [Accepted: 12/14/2023] [Indexed: 01/03/2024] Open
Abstract
Renal fibrosis (RF) is the end stage of several chronic kidney diseases. Its series of changes include excessive accumulation of extracellular matrix, epithelial-mesenchymal transition (EMT) of renal tubular cells, fibroblast activation, immune cell infiltration, and renal cell apoptosis. RF can eventually lead to renal dysfunction or even renal failure. A large body of evidence suggests that natural products in traditional Chinese medicine (TCM) have great potential for treating RF. In this article, we first describe the recent advances in RF treatment by several natural products and clarify their mechanisms of action. They can ameliorate the RF disease phenotype, which includes apoptosis, endoplasmic reticulum stress, and EMT, by affecting relevant signaling pathways and molecular targets, thereby delaying or reversing fibrosis. We also present the roles of nanodrug delivery systems, which have been explored to address the drawback of low oral bioavailability of natural products. This may provide new ideas for using natural products for RF treatment. Finally, we provide new insights into the clinical prospects of herbal natural products.
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Affiliation(s)
- Li Song
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wei Zhang
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shi-Yun Tang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Si-Min Luo
- College of Traditional Chinese Medicine, Hainan Medical University, Haikou 571199, China
| | - Pei-Yu Xiong
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jun-Yu Liu
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Heng-Chang Hu
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ying-Qi Chen
- College of Traditional Chinese Medicine, Hainan Medical University, Haikou 571199, China
| | - Bo Jia
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qian-Hua Yan
- Department of Endocrinology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210000, China.
| | - Song-Qi Tang
- College of Traditional Chinese Medicine, Hainan Medical University, Haikou 571199, China.
| | - Wei Huang
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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3
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Sun L, Liu Q, Zhang Y, Xue M, Yan H, Qiu X, Tian Y, Zhang H, Liang H. Fucoidan from Saccharina japonica Alleviates Hyperuricemia-Induced Renal Fibrosis through Inhibiting the JAK2/STAT3 Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:11454-11465. [PMID: 37481747 DOI: 10.1021/acs.jafc.3c01349] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Fucoidan is a native sulfated polysaccharide mainly isolated from brown seaweed, with diverse pharmacological activities, such as anti-inflammatory and antifibrosis. Hyperuricemia (HUA) is a common metabolic disease worldwide and mainly causes hyperuricemic nephropathy, including chronic kidney disease and end-stage renal fibrosis. The present study investigated the protective function of fucoidan in renal fibrosis and its pharmacological mechanism. The renal fibrotic model was established with the administration of potassium oxonate for 10 weeks. The protein levels of related factors were assessed in HUA mice by an enzyme-linked immunosorbent assay (ELISA) and western blotting. The results showed that fucoidan significantly reduced the levels of serum uric acid, blood urea nitrogen (BUN), α-smooth muscle actin (α-SMA), and collagen I, and improved kidney pathological changes. Furthermore, renal fibrosis had been remarkably elevated through the inhibition of the epithelial-to-mesenchymal transition (EMT) progression after fucoidan intervention, suppressing the Janus kinase 2 (JAK2) signal transducer and activator of transcription protein 3 (STAT3) signaling pathway activation. Together, this study provides experimental evidence that fucoidan may protect against hyperuricemia-induced renal fibrosis via downregulation of the JAK2/STAT3 signaling pathway.
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Affiliation(s)
- Lirui Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Qing Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Yabin Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Meilan Xue
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Hongxue Yan
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao Mingyue Seaweed Group Company, Limited, Qingdao, Shandong 266499, People's Republic of China
| | - Xia Qiu
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao Mingyue Seaweed Group Company, Limited, Qingdao, Shandong 266499, People's Republic of China
| | - Yingjie Tian
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Huaqi Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
| | - Hui Liang
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
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4
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Xue C, Yao Q, Gu X, Shi Q, Yuan X, Chu Q, Bao Z, Lu J, Li L. Evolving cognition of the JAK-STAT signaling pathway: autoimmune disorders and cancer. Signal Transduct Target Ther 2023; 8:204. [PMID: 37208335 DOI: 10.1038/s41392-023-01468-7] [Citation(s) in RCA: 67] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 04/22/2023] [Indexed: 05/21/2023] Open
Abstract
The Janus kinase (JAK) signal transducer and activator of transcription (JAK-STAT) pathway is an evolutionarily conserved mechanism of transmembrane signal transduction that enables cells to communicate with the exterior environment. Various cytokines, interferons, growth factors, and other specific molecules activate JAK-STAT signaling to drive a series of physiological and pathological processes, including proliferation, metabolism, immune response, inflammation, and malignancy. Dysregulated JAK-STAT signaling and related genetic mutations are strongly associated with immune activation and cancer progression. Insights into the structures and functions of the JAK-STAT pathway have led to the development and approval of diverse drugs for the clinical treatment of diseases. Currently, drugs have been developed to mainly target the JAK-STAT pathway and are commonly divided into three subtypes: cytokine or receptor antibodies, JAK inhibitors, and STAT inhibitors. And novel agents also continue to be developed and tested in preclinical and clinical studies. The effectiveness and safety of each kind of drug also warrant further scientific trials before put into being clinical applications. Here, we review the current understanding of the fundamental composition and function of the JAK-STAT signaling pathway. We also discuss advancements in the understanding of JAK-STAT-related pathogenic mechanisms; targeted JAK-STAT therapies for various diseases, especially immune disorders, and cancers; newly developed JAK inhibitors; and current challenges and directions in the field.
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Affiliation(s)
- Chen Xue
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qinfan Yao
- Kidney Disease Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xinyu Gu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qingmiao Shi
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xin Yuan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qingfei Chu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhengyi Bao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Juan Lu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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5
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Wang F, Wang S, Zhang C, Tian X, Zhou Y, Xuan W, Matteson EL, Luo F, Tschumperlin D, Vassallo R. Noncanonical JAK1/STAT3 interactions with TGF-β modulate myofibroblast transdifferentiation and fibrosis. Am J Physiol Lung Cell Mol Physiol 2022; 323:L698-L714. [PMID: 36283961 DOI: 10.1152/ajplung.00428.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease with limited survival. Janus kinases (JAKs), tyrosine kinases that transduce cytokine-mediated signals, are known to be involved, but their specific roles in lung fibrosis are not well defined. In this study, the interactions between JAK1/signal transducers and activators of transcription (STAT)3 signaling and transforming growth factor-beta (TGF-β)-induced fibroblast responses were investigated using both pharmacological and siRNA approaches in human normal and IPF-derived lung fibroblasts. We found that JAK1 directly interacts with the TGF-β receptor I subunit (TβRI), and silencing JAK1 promotes myofibroblast transdifferentiation. However, the suppression of JAK1 signaling in vitro and in vivo using an inhibitor (upadacitinib) did not alter lung fibroblast activation or fibrosis development. STAT3 was constitutively active in cultured primary lung fibroblasts; this STAT3 activation required JAK1 and repressed myofibroblast transdifferentiation. Loss of phosphorylated STAT3 following transcriptional JAK1 silencing promoted myofibroblast transdifferentiation. In contrast, transcriptional silencing of unphosphorylated STAT3 suppressed TGF-β signaling, decreased SMAD3 activation, and reduced myofibroblast transdifferentiation and ECM production. Taken together, these observations support a role for JAK1/STAT3 as a direct regulator of TGF-β signaling in lung fibroblasts. Modulation of JAK1/STAT3 signaling in lung fibroblasts represents a noncanonical approach to regulating TGF-β-induced fibrosis and suggests the potential for a novel approach to treat pulmonary fibrosis.
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Affiliation(s)
- Faping Wang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Shaohua Wang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Chujie Zhang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Xue Tian
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Yongfang Zhou
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Weixia Xuan
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Eric L Matteson
- Division of Rheumatology and Department of Health Science Research, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Fengming Luo
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Daniel Tschumperlin
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Robert Vassallo
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, Minnesota.,Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
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6
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Liang J, Yuan H, Xu L, Wang F, Bao X, Yan Y, Wang H, Zhang C, Jin R, Ma L, Zhang J, Huri L, Su X, Xiao R, Ma Y. Study on the effect of Mongolian medicine Qiwei Qinggan Powder on hepatic fibrosis through JAK2/STAT3 pathway. Biosci Biotechnol Biochem 2021; 85:775-785. [PMID: 33686395 DOI: 10.1093/bbb/zbab001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 12/07/2020] [Indexed: 12/13/2022]
Abstract
This research aimed to evaluate the antihepatic fibrosis effect and explore the mechanism of Qiwei Qinggan Powder (QGS-7) in vivo and in vitro. Carbon tetrachloride (CCl4)-treated rats and hepatic stellate cells (HSCs) were used. QGS-7 treatment significantly improved the liver function of rats as indicated by decreased serum enzymatic activities of alanine aminotransferase, aspartate transaminase, and alkaline phosphatase. Meanwhile, the hydroxyproline of liver was significantly decreased. Histopathological results indicated that QGS-7 alleviated liver damage and reduced the formation of fibrosis septa. Moreover, QGS-7 significantly attenuated expressions of Alpha smooth muscle actin, Collagen I, Janus kinase 2 (JAK2), phosphorylation-JAK2, signal transducer and activator of transcription 3 (STAT3), phosphorylation-STAT3 in the rat hepatic fibrosis model. QGS-7 inhibited HSC proliferation and promoted it apoptosis. QGS-7 may affect hepatic fibrosis through JAK2/STAT3 signaling pathway so as to play an antihepatic fibrosis role.
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Affiliation(s)
- Jie Liang
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Hongwei Yuan
- Department of Pathology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Liping Xu
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Feng Wang
- Department of Physiology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Xiaomei Bao
- Department of Pharmaceutical Engineering, School of Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Yuxin Yan
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Haisheng Wang
- Department of Biochemistry, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Chunyan Zhang
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Rong Jin
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Lijie Ma
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Jianyu Zhang
- Department of Biochemistry, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Lebagen Huri
- School of Mongolian Medicine and Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Xiaoli Su
- Functional Science laboratory, Institute of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
| | - Rui Xiao
- Key Laboratory of Molecular Pathology Inner, Inner Mongolia Medical University, Hohhot City, Inner Mongolia Autonomous Region, China
| | - Yuehong Ma
- Department of Pharmacology, School of Basic Medicine, Inner Mongolia Medical University, Hohhot, China
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7
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Targeting Canonical and Non-Canonical STAT Signaling Pathways in Renal Diseases. Cells 2021; 10:cells10071610. [PMID: 34199002 PMCID: PMC8305338 DOI: 10.3390/cells10071610] [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: 05/17/2021] [Revised: 06/16/2021] [Accepted: 06/22/2021] [Indexed: 01/05/2023] Open
Abstract
Signal transducer and activator of transcription (STAT) plays an essential role in the inflammatory reaction and immune response of numerous renal diseases. STATs can transmit the signals of cytokines, chemokines, and growth factors from the cell membrane to the nucleus. In the canonical STAT signaling pathways, upon binding with their cognate receptors, cytokines lead to a caspase of Janus kinases (JAKs) and STATs tyrosine phosphorylation and activation. Besides receptor-associated tyrosine kinases JAKs, receptors with intrinsic tyrosine kinase activities, G-protein coupled receptors, and non-receptor tyrosine kinases can also activate STATs through tyrosine phosphorylation or, alternatively, other post-translational modifications. Activated STATs translocate into the nucleus and mediate the transcription of specific genes, thus mediating the progression of various renal diseases. Non-canonical STAT pathways consist of preassembled receptor complexes, preformed STAT dimers, unphosphorylated STATs (U-STATs), and non-canonical functions including mitochondria modulation, microtubule regulation and heterochromatin stabilization. Most studies targeting STAT signaling pathways have focused on canonical pathways, but research extending into non-canonical STAT pathways would provide novel strategies for treating renal diseases. In this review, we will introduce both canonical and non-canonical STAT pathways and their roles in a variety of renal diseases.
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8
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Srivastava T, Joshi T, Heruth DP, Rezaiekhaligh MH, Garola RE, Zhou J, Boinpelly VC, Ali MF, Alon US, Sharma M, Vanden Heuvel GB, Mahajan P, Priya L, Jiang Y, McCarthy ET, Savin VJ, Sharma R, Sharma M. A mouse model of prenatal exposure to Interleukin-6 to study the developmental origin of health and disease. Sci Rep 2021; 11:13260. [PMID: 34168254 PMCID: PMC8225793 DOI: 10.1038/s41598-021-92751-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
Systemic inflammation in pregnant obese women is associated with 1.5- to 2-fold increase in serum Interleukin-6 (IL-6) and newborns with lower kidney/body weight ratio but the role of IL-6 in increased susceptibility to chronic kidney (CKD) in adult progeny is not known. Since IL-6 crosses the placental barrier, we administered recombinant IL-6 (10 pg/g) to pregnant mice starting at mid-gestation yielded newborns with lower body (p < 0.001) and kidney (p < 0.001) weights. Histomorphometry indicated decreased nephrogenic zone width (p = 0.039) with increased numbers of mature glomeruli (p = 0.002) and pre-tubular aggregates (p = 0.041). Accelerated maturation in IL-6 newborns was suggested by early expression of podocyte-specific protein podocin in glomeruli, increased 5-methyl-cytosine (LC–MS analysis for CpG DNA methylation) and altered expression of certain genes of cell-cycle and apoptosis (RT-qPCR array-analysis). Western blotting showed upregulated pJAK2/pSTAT3. Thus, treating dams with IL-6 as a surrogate provides newborns to study effects of maternal systemic inflammation on future susceptibility to CKD in adulthood.
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Affiliation(s)
- Tarak Srivastava
- Section of Nephrology, Children's Mercy Hospital and University of Missouri at Kansas City, 2401 Gillham Road, Kansas City, MO, 64108, USA. .,Midwest Veterans' Biomedical Research Foundation (MVBRF), Kansas City, MO, USA. .,Department of Oral and Craniofacial Sciences, University of Missouri at Kansas City-School of Dentistry, Kansas City, MO, USA.
| | - Trupti Joshi
- Department of Health Management and Informatics and MU Informatics Institute, University of Missouri, Columbia, MO, USA.,Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, USA.,Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, USA.,MU Data Science and Informatics Institute, University of Missouri, Columbia, MO, USA
| | - Daniel P Heruth
- Children's Mercy Research Institute, Children's Mercy Hospital and University of Missouri at Kansas City, Kansas City, MO, USA
| | - Mohammad H Rezaiekhaligh
- Section of Nephrology, Children's Mercy Hospital and University of Missouri at Kansas City, 2401 Gillham Road, Kansas City, MO, 64108, USA
| | - Robert E Garola
- Department of Pathology and Laboratory Medicine, Children's Mercy Hospital and University of Missouri at Kansas City, Kansas City, MO, USA
| | - Jianping Zhou
- Midwest Veterans' Biomedical Research Foundation (MVBRF), Kansas City, MO, USA.,Kansas City VA Medical Center, Kansas City, MO, USA
| | - Varun C Boinpelly
- Midwest Veterans' Biomedical Research Foundation (MVBRF), Kansas City, MO, USA.,Kansas City VA Medical Center, Kansas City, MO, USA
| | - Mohammed Farhan Ali
- Section of Nephrology, Children's Mercy Hospital and University of Missouri at Kansas City, 2401 Gillham Road, Kansas City, MO, 64108, USA
| | - Uri S Alon
- Section of Nephrology, Children's Mercy Hospital and University of Missouri at Kansas City, 2401 Gillham Road, Kansas City, MO, 64108, USA
| | - Madhulika Sharma
- Department of Internal Medicine, The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS, USA
| | - Gregory B Vanden Heuvel
- Department of Biomedical Sciences, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, MI, USA
| | - Pramod Mahajan
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Drake University, Des Moines, IA, USA
| | - Lakshmi Priya
- Section of Nephrology, Children's Mercy Hospital and University of Missouri at Kansas City, 2401 Gillham Road, Kansas City, MO, 64108, USA
| | - Yuexu Jiang
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, USA.,Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
| | - Ellen T McCarthy
- Department of Internal Medicine, The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS, USA
| | - Virginia J Savin
- Kansas City VA Medical Center, Kansas City, MO, USA.,Department of Internal Medicine, The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS, USA
| | - Ram Sharma
- Kansas City VA Medical Center, Kansas City, MO, USA
| | - Mukut Sharma
- Midwest Veterans' Biomedical Research Foundation (MVBRF), Kansas City, MO, USA.,Kansas City VA Medical Center, Kansas City, MO, USA.,Department of Internal Medicine, The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS, USA
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9
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Elekofehinti OO, Oyedokun VO, Iwaloye O, Lawal AO, Ejelonu OC. Momordica charantia silver nanoparticles modulate S OCS/JAK/STAT and P13K/Akt/PTEN signalling pathways in the kidney of streptozotocin-induced diabetic rats. J Diabetes Metab Disord 2021; 20:245-260. [PMID: 34178835 DOI: 10.1007/s40200-021-00739-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/10/2021] [Indexed: 12/23/2022]
Abstract
Objectives Diabetes nephropathy (DN) is one of the complications of diabetes mellitus (DM) marked by gradual progressive loss of renal function. SOCS/JAK/STAT and PI3K/Akt/PTEN signalling pathways are among the chain of interactions implicated in the onset, progression and pathology of DN. Momordica charantia (bitter melon) is often used in folk medicine as therapy for DM due to its hypoglycemic properties. This study was designed to evaluate M. charantia silver nanoparticles' therapeutic effect on DN-induced by streptozotocin (STZ) in Wistar rats. Methods The M. charantia nanoparticles used was synthesized using the filtrate from the plant methanolic extract added to 1 mM concentration of aqueous silver nitrate. DM was induced in Wistar rats by intraperitoneal injection of STZ (65 mg/kg). The animals' treatment groups were divided into; Diabetic control (65 mg/kg STZ), Control, and groups treated with silver nitrate (10 mg/kg), M. charantia nanoparticles (50 mg/kg), metformin (100 mg/kg), and plant extract (100 mg/kg). Treatment was terminated after 11 days. RT-PCR determined renal mRNA expression of Akt, PI3k, PTEN, TGF-β, JAK2, STAT3, STAT5, SOCS3, SOCS4 and glucokinase (GCK). Consequently, characterized compounds from M. charantia identified from literatures were docked with PI3K, JAK2 and TGF-β and STAT3 to retrieve potential hits. Results Oral administration of M. charantia nanoparticles (50 mg/kg) to STZ-induced diabetic untreated rats significantly ((p < 0.05) down-regulated the mRNA expression of Akt, PI3k, TGF-β, JAK2, STAT3 and upregulated the mRNA expression of PTEN, SOCS3 and SOCS4, thus establishing the role of M. charantia nanoparticles in alleviating DN in diabetic rats. Additionally, there was a significant up-regulation of glucose metabolizing gene (glucokinase) upon administering M. charantia nanoparticles. Molecular docking results showed 12 compounds from bitter melon with docking score ranging from -6.114 kcal/mol to -8.221 kcal/mol that are likely to exert anti-diabetic properties. Conclusion Observation drawn from this study suggests that M. charantia nanoparticles ameliorate DN through regulation of SOCS/JAK/STAT and PI3K/Akt/PTEN signalling pathways.
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Affiliation(s)
- Olusola Olalekan Elekofehinti
- Bioinformatics and Molecular Biology Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Ondo State Nigeria
| | - Victor Oluwatoyin Oyedokun
- Bioinformatics and Molecular Biology Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Ondo State Nigeria
| | - Opeyemi Iwaloye
- Bioinformatics and Molecular Biology Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Ondo State Nigeria
| | - Akeem Olalekan Lawal
- Bioinformatics and Molecular Biology Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Ondo State Nigeria
| | - Oluwamodupe Cecilia Ejelonu
- Biochemistry Programme, Department of Chemical Sciences, School of Sciences, Olusegun Agagu University of Science and Technology, Okitipupa, Ondo State Nigeria
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10
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Bao Y, Liang W, Ye Y, Yi B. PERK-Dependent Activation of the JAK2/STAT3 Pathway Contributes to High Glucose-Induced Extracellular Matrix Deposition in Renal Tubular Epithelial Cells. Int J Endocrinol 2021; 2021:8475868. [PMID: 34335747 PMCID: PMC8315854 DOI: 10.1155/2021/8475868] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 07/05/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Although the deposition of extracellular matrix (ECM) is critical leading to tubular damage in diabetic kidney disease (DKD), the mechanism still remains unclear. The purpose of this study was to demonstrate a role for protein kinase R-like endoplasmic reticulum kinase (PERK) (a protein located in the endoplasmic reticulum membrane) in this pathologic process. METHODS NRK-52E cells were grown in the media containing different concentrations of glucose or thapsigargin for different durations. Cells were subsequently incubated with or without AG490, a selective inhibitor of Janus kinase 2 (JAK2) or GSK2606414 (a selective PERK inhibitor). We evaluated the production of TGF-β1, fibronectin, and collagen I proteins by ELISA. The levels of 78 kD-glucose-regulated protein (GRP78) and PERK, as well as the phosphorylation statues of PERK and JAK2/signal transducer and activator of transcription (STAT3), were determined by western blotting analysis. RESULTS We showed that the increased phosphorylation of JAK2 and STAT3 was accompanied by overexpression of TGF-β1 and ECM deposition in high glucose medium. Disruption of the JAK2/STAT3 pathway with AG490 significantly prevents the high glucose-induced increase in TGF-β1, fibronectin, and collagen I. High glucose induced the overproduction of GRP78 and phosphorylation of PERK, which indicated that endoplasmic reticulum stress (ERS) was triggered in NRK-52E cells cultured under high glucose condition. Inhibition of PERK phosphorylation with GSK2606414, however, blocked the effect of JAK2/STAT3 on the production of TGF-β1 and ECM components in NRK-52E cells. CONCLUSION Our data indicated that the ECM accumulation induced by high glucose arouse via the PERK-dependent JAK2/STAT3-signaling pathway in renal tubular epithelial cells.
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Affiliation(s)
- Yan Bao
- Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
| | - Wei Liang
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
| | - Yingchun Ye
- Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
| | - Bo Yi
- Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, China
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11
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Groover MK, Richmond JM. Potential therapeutic manipulations of the CXCR3 chemokine axis for the treatment of inflammatory fibrosing diseases. F1000Res 2020; 9:1197. [PMID: 33145014 PMCID: PMC7590900 DOI: 10.12688/f1000research.26728.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/24/2020] [Indexed: 02/06/2023] Open
Abstract
Chemokines play important roles in homeostasis and inflammatory processes. While their roles in leukocyte recruitment are well-appreciated, chemokines play additional roles in the body, including mediating or regulating angiogenesis, tumor metastasis and wound healing. In this opinion article, we focus on the role of CXCR3 and its ligands in fibrotic processes. We emphasize differences of the effects of each ligand, CXCL9, CXCL10 and CXCL11, on fibroblasts in different tissues of the body. We include discussions of differences in signaling pathways that may account for protective or pro-fibrotic effects of each ligand in different experimental models and ex vivo analysis of human tissues. Our goal is to highlight potential reasons why there are disparate findings in different models, and to suggest ways in which this chemokine axis could be manipulated for the treatment of fibrosis.
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Affiliation(s)
- Morgan K. Groover
- Department of Dermatology, University of Massachussetts Medical School, Worcester, MA, 01605, USA
| | - Jillian M. Richmond
- Department of Dermatology, University of Massachussetts Medical School, Worcester, MA, 01605, USA
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12
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Xiangrui Y, Xiong W, Xi W, Yuanbing J, Shenqiang Q, Yu G. Clinical Assessment of Risk Factors for Renal Atrophy After Percutaneous Nephrolithotomy. Med Sci Monit 2020; 26:e919970. [PMID: 32986688 PMCID: PMC7531202 DOI: 10.12659/msm.919970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Background This study explored the risk factors for renal atrophy after percutaneous nephrolithotomy (PCNL), and provides a reference for clinical prevention of renal atrophy after PCNL. Material/Methods According to the inclusion and exclusion criteria, the clinical data of 816 patients who underwent PCNL in our hospital from May 2013 to February 2018 were retrospectively collected. Depending on whether the patient had kidney atrophy, they were divided into a renal atrophy group and a non-renal atrophy group. We collected and analyzed data on patient sex, age, kidney location, duration of disease, stone size, hydronephrosis, renal calculus position (renal ureteral junction or multiple pyelonephritis-associated stones), operation time, intraoperative blood loss, perfusion pressure, and pyonephrosis. The indicators with statistically significant differences were selected and multivariate logistic regression analysis was carried out to determine the risk factors for renal atrophy. Results Among 816 patients, 49 had renal atrophy and the incidence rate was 6.01%. Univariate analysis and multivariate logistic regression analysis showed that independent risk factors for renal atrophy after PCNL were: duration of the disease longer than 12 months (OR=4.216, P=0.003, 95% CI: 1.714, 7.354), perfusion pressure >30 mmHg (OR=3.895, P=0.001, 95% CI: 1.685, 8.912), moderate and severe hydronephrosis (OR=5.122, P<0.001, 95% CI: 1.847, 9.863), stones located at the junction of the renal pelvis (OR=3.787, P=0.001, 95% CI: 1.462, 7.654), stones located in multiple calyces (OR=4.531, P=0.014, 95% CI: 1.764, 8.196), and pyonephrosis (OR=10.143, P<0.001, 95% CI: 2.214, 16.248). Conclusions The main risk factors for renal atrophy after PCNL are: course of disease more than 12 months, moderate and severe hydronephrosis, pyonephrosis, multiple calyceal stones, stones at the junction of the renal pelvis, and intraoperative high perfusion pressure.
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Affiliation(s)
- Yin Xiangrui
- Department of Urology, Traditional Chinese Medicine Hospital, Chongqing, China (mainland)
| | - Wei Xiong
- Department of Urology, Traditional Chinese Medicine Hospital, Chongqing, China (mainland)
| | - Wang Xi
- Department of Urology, Traditional Chinese Medicine Hospital, Chongqing, China (mainland)
| | - Jiang Yuanbing
- Department of Urology, Traditional Chinese Medicine Hospital, Chongqing, China (mainland)
| | - Qian Shenqiang
- Department of Urology, Traditional Chinese Medicine Hospital, Chongqing, China (mainland)
| | - Guo Yu
- Department of Urology, Traditional Chinese Medicine Hospital, Chongqing, China (mainland)
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13
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Rhein attenuates renal inflammatory injury of uric acid nephropathy via lincRNA-Cox2/miR-150-5p/STAT1 axis. Int Immunopharmacol 2020; 85:106620. [DOI: 10.1016/j.intimp.2020.106620] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/12/2020] [Accepted: 05/17/2020] [Indexed: 11/21/2022]
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14
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An Integrated Transcriptomic and Proteomic Analysis Identifies Significant Novel Pathways for Henoch-Schönlein Purpura Nephritis Progression. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2489175. [PMID: 32685455 PMCID: PMC7322592 DOI: 10.1155/2020/2489175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/11/2020] [Accepted: 04/28/2020] [Indexed: 02/04/2023]
Abstract
Background Although Henoch-Schönlein purpura nephritis (HSPN) is characterized by glomerular deposition of aberrantly glycosylated immunoglobulin A1 (IgA1), the underlying mechanism of HSPN progression has not yet been completely elucidated. In this study, we integrated transcriptomic and proteomic analyses to explore the underlying mechanism of HSPN progression. Methods RNA sequencing and tandem mass tag- (TMT-) based quantitative proteomics were used to gain serum transcriptomic and proteomic profiles of patients with different types of HSPN (3 × type 1, 3 × type 2, and 3 × type 3). Student's t-tests were performed to obtain the significance of the differential gene expression. The clusterProfiler package was used to conduct the functional annotation of the DEGs for both Gene Ontology terms and Kyoto Encyclopedia of Genes and Genomes pathways. Results A total of 2315 mRNAs and 30 proteins were differentially expressed between the different types of HSPN. 58 mRNAs and one protein changed continuously during HSPN development and are potential biomarkers for HSPN progression. The validation cohort (another 9 patients) confirmed the high-throughput results of the transcriptomic and proteomic analyses. A total of 385 significant pathways were related to HSPN progression, and four of them were closely related to clinical biochemical indicators and may play an important role in the progression of HSPN. Those pathways reveal that HSPN progression may be related to the inhibition of inflammation, promotion of apoptosis, and repair of renal injury. Conclusions Four pathways were found to be closely related to HSPN progression, and it seems that HSPN progression is mainly due to the inhibition of inflammation, promotion of apoptosis, and repair of renal injury.
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15
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Li Z, Zhang C, Du JX, Zhao J, Shi MT, Jin MW, Liu H. Adipocytes promote tumor progression and induce PD-L1 expression via TNF-α/IL-6 signaling. Cancer Cell Int 2020; 20:179. [PMID: 32477009 PMCID: PMC7240984 DOI: 10.1186/s12935-020-01269-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 05/14/2020] [Indexed: 12/31/2022] Open
Abstract
Background Obesity confers increased risk for various types of cancer. PD-L1 is a key molecule in tumor immune evasion by inducing T cell exhaustion. The relationship between obesity and PD-L1 is still ambiguous. This study was designed to reveal the development of hepatocellular carcinoma and melanoma in obese mice and to investigate if adipocytes regulate PD-L1 expression and the underlying mechanism. Methods Monosodium glutamate-induced obese mice were inoculated with H22 tumor cells and High fat diet (HFD)-induced obese mice were inoculated with B16-F1 mouse melanoma cells. Human hepatoma HepG2 cells and B16-F1 cells were treated with conditional media from 3T3-L1 adipocytes (adi-CM). Neutralized anti-TNF-α and anti-IL-6 antibodies and inhibitor of NF-κB or STAT3 were used to reveal the mechanism of effect of adi-CM. Results In obese mice, H22 and B16-F1 tumor tissues grew faster and PD-L1 expression in tumor tissue was increased. Adi-CM up-regulated PD-L1 level in HepG2 and B16-F1 cells in vitro. Differentiated 3T3-L1 adipocytes secreted TNF-α and IL-6, and neutralizing TNF-α and/or IL-6 reduced PD-L1 expression in adi-CM-treated cells. p-NF-κB/NF-κB level was downregulated in HepG2 and B16-F1 cells, and p-STAT3/STAT3 level was also decreased in HepG2 cells. In addition, inhibitor of NF-κB or STAT3 reversed the effect of adi-CM on PD-L1 expression. Conclusions TNF-α and IL-6 secreted by adipocytes up-regulates PD-L1 in hepatoma and B16-F1 cells, which may be at least partially involved in the role of obesity in promoting tumor progression.
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Affiliation(s)
- Zhi Li
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cai Zhang
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing-Xia Du
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Zhao
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meng-Ting Shi
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Man-Wen Jin
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China
| | - Hui Liu
- 1Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,The Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation of Hubei Province, Wuhan, China
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16
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Shen YL, Jiang YP, Li XQ, Wang SJ, Ma MH, Zhang CY, Zhu JY, Rahman K, Zhang LJ, Luan X, Zhang H. ErHuang Formula Improves Renal Fibrosis in Diabetic Nephropathy Rats by Inhibiting CXCL6/JAK/STAT3 Signaling Pathway. Front Pharmacol 2020; 10:1596. [PMID: 32038260 PMCID: PMC6993046 DOI: 10.3389/fphar.2019.01596] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 12/09/2019] [Indexed: 12/22/2022] Open
Abstract
Diabetic nephropathy (DN) is one of the main causes of renal fibrosis and is associated with high morbidity and mortality. Traditional Chinese Medicine (TCM) therapy has a long history of usage in a clinical setting and its usage is increasing. ErHuang Formula (EHF), a Chinese herbal compound, has been clinically used in treating DN for more than 30 years. However, its mechanism of action is still unknown. This study was conducted to evaluate the effect of EHF on renal fibrosis in a DN rat model and explore its underlying mechanism. The DN rat model was established by high-sugar-fat diet combined with a single intraperitoneal injection of streptozotocin (STZ), and EFH extract (4, 2, 1 g/kg d−1) was administered orally for 8 weeks. The biochemical parameters (blood glucose, weight, Scr, BUN, UA, U-Alb and UAE) were analyzed. The pathological changes in renal tissue were observed by histological staining with H&E and Masson. The effect of EHF on the proliferation of NRK-49F cells was examined by CCK-8 assay and the levels of several inflammation and fibrosis related cytokines (IL-6, TNF-α, TGF-β1, Collagen I/III, MMP2/9) in serum and NRK-49F cell culture supernatants were detected by enzyme-linked immunoassay (ELISA). The mRNA levels of CXCL6, CXCR1, Collagen I/III, MMP2/9 in renal tissue were also measured by quantitative RT-PCR. Furthermore, the protein expression of PCNA, Collagen I/III, MMP2/9, CXCL6, CXCR1, p-STAT3, STAT3 in renal tissue and NRK-49F cells were determined by western blot. EHF improved the abnormal biochemical parameters and ameliorated the abnormal histology and fibrosis of renal tissue in a dose-dependent manner. EHF inhibited NRK-49F proliferation and decreased the expressions of inflammation and fibrosis related factors both in vitro and in vivo. Interestingly, the levels of Collagen I/III, PCNA, MMP2/9 and p-STAT3 were positively correlated with CXCL6. The amelioration of renal fibrosis in DN by EHF is related to CXCL6/JAK/STAT3 signal pathway, which is associated with inflammation and fibrosis of the tissue. These findings may have clinical implications for the treatment of DN.
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Affiliation(s)
- Yu-Li Shen
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yi-Ping Jiang
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Xiao-Qin Li
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Su-Juan Wang
- Department of Drug Preparation, Hospital of TCM and Hui Nationality Medicine, Ningxia Medical University, Wuzhong, China
| | - Ming-Hua Ma
- Department of Pharmacy, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Khalid Rahman
- School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Li-Jun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Luan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hong Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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17
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Licorice Extracts Attenuate Nephrotoxicity Induced by Brucine Through Suppression of Mitochondria Apoptotic Pathway and STAT3 Activation. Curr Med Sci 2019; 39:890-898. [DOI: 10.1007/s11596-019-2126-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 05/06/2019] [Indexed: 02/07/2023]
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18
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Zhang X, Lu H, Xie S, Wu C, Guo Y, Xiao Y, Zheng S, Zhu H, Zhang Y, Bai Y. Resveratrol suppresses the myofibroblastic phenotype and fibrosis formation in kidneys via proliferation-related signalling pathways. Br J Pharmacol 2019; 176:4745-4759. [PMID: 31454852 PMCID: PMC6965682 DOI: 10.1111/bph.14842] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 08/15/2019] [Accepted: 08/17/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE Renal fibrosis acts as the common pathway leading to the development of end-stage renal disease. Previous studies have shown that resveratrol has anti-fibrotic activity, but its potential molecular mechanisms of action are not well understood. EXPERIMENTAL APPROACH The anti-fibrotic effects of resveratrol were assayed in a rat model of unilateral ureteral obstruction (UUO) in vivo and in fibroblasts and tubular epithelial cells (TECs) stimulated by TGF-β1 in vitro. Gene and protein expression levels were analysed by PCR, Western blotting, and immunohistochemical staining. KEY RESULTS Resveratrol inhibits the myofibroblastic phenotype and fibrosis formation in UUO kidneys by targeting fibroblast-myofibroblast differentiation (FMD) and epithelial-mesenchymal transition (EMT). The anti-fibrotic effects of resveratrol correlated with decreased proliferation of TECs in the interstitium and tubules, resulting in suppressed activity of the proliferation-related signalling pathways, including that of the MAPK, PI3K/Akt, Wnt/β-catenin, and JAK2/STAT3 pathways. Resveratrol treatment suppressed TGF-β1-induced FMD and the expression of the myofibroblastic phenotype in fibroblasts in vitro by antagonizing the activation of proliferation-related signalling. Similarly, TGF-β1-mediated overactivation of the proliferation-related signalling in TECs induced EMT, and the myofibroblastic phenotype was suppressed by resveratrol. The anti-fibrotic and anti-proliferative effects of resveratrol were associated with the inactivation of Smad2/3 signalling and resulted in a partial reversal of FMD and EMT and the inhibition of the myofibroblastic phenotype. CONCLUSIONS AND IMPLICATIONS Resveratrol suppresses the myofibroblastic phenotype and fibrosis formation in vivo and in vitro via proliferation-related pathways, making it a potential therapeutic agent for preventing renal fibrosis.
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Affiliation(s)
- Xing Zhang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‐Pancreatic Diseases of Zhejiang ProvinceThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
- Zhejiang University School of MedicineHangzhouChina
| | - Hong Lu
- Department of Laboratory MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | | | - Cunzao Wu
- Department of TransplantationThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Yangyang Guo
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‐Pancreatic Diseases of Zhejiang ProvinceThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Yanyi Xiao
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‐Pancreatic Diseases of Zhejiang ProvinceThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Shizhang Zheng
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‐Pancreatic Diseases of Zhejiang ProvinceThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Hengyue Zhu
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‐Pancreatic Diseases of Zhejiang ProvinceThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Yan Zhang
- Department of TransplantationThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
- Institute of Kidney Health, Center for Health AssessmentWenzhou Medical UniversityWenzhouChina
| | - Yongheng Bai
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‐Pancreatic Diseases of Zhejiang ProvinceThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
- Institute of Kidney Health, Center for Health AssessmentWenzhou Medical UniversityWenzhouChina
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19
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Perretta‐Tejedor N, Muñoz‐Félix JM, Düwel A, Quiros‐Luis Y, Fernández‐Martín JL, Morales AI, López‐Hernández FJ, López‐Novoa JM, Martínez‐Salgado C. Cardiotrophin-1 opposes renal fibrosis in mice: Potential prevention of chronic kidney disease. Acta Physiol (Oxf) 2019; 226:e13247. [PMID: 30589223 DOI: 10.1111/apha.13247] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 12/17/2018] [Accepted: 12/21/2018] [Indexed: 12/12/2022]
Abstract
AIM Chronic kidney disease is characterized by tubulointerstitial fibrosis involving inflammation, tubular apoptosis, fibroblast proliferation and extracellular matrix accumulation. Cardiotrophin-1, a member of the interleukin-6 family of cytokines, protects several organs from damage by promoting survival and anti-inflammatory effects. However, whether cardiotrophin-1 participates in the response to chronic kidney injury leading to renal fibrosis is unknown. METHODS We hypothesized and assessed the potential role of cardiotrophin-1 in a mice model of tubulointerstitial fibrosis induced by unilateral ureteral obstruction (UUO). RESULTS Three days after UUO, obstructed kidneys from cardiotrophin-1-/- mice show higher expression of inflammatory markers IL-1β, Cd68, ICAM-1, COX-2 and iNOs, higher activation of NF-κB, higher amount of myofibroblasts and higher severity of tubular damage and apoptosis, compared with obstructed kidneys from wild-type littermates. In a later stage, obstructed kidneys from cardiotrophin-1-/- mice show higher fibrosis than obstructed kidneys from wild-type mice. Interestingly, administration of exogenous cardiotrophin-1 prevents the increased fibrosis resulting from the genetic knockout of cardiotrophin-1 upon UUO, and supplementation of wild-type mice with exogenous cardiotrophin-1 further reduces the renal fibrosis induced by UUO. In vitro, renal myofibroblasts from cardiotrophin-1-/- mice have higher collagen I and fibronectin expression and higher NF-κB activation than wild-type cells. CONCLUSIONS Cardiotrophin-1 participates in the endogenous response that opposes renal damage by counteracting the inflammatory, apoptotic and fibrotic processes. And exogenous cardiotrophin-1 is proposed as a candidate for the treatment and prevention of chronic renal fibrosis.
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Affiliation(s)
- Nuria Perretta‐Tejedor
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Health Sciences Studies of Castilla y Leon (IECSCYL) Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
| | - José M. Muñoz‐Félix
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
| | - Annette Düwel
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Health Sciences Studies of Castilla y Leon (IECSCYL) Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
| | - Yaremi Quiros‐Luis
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
| | - José L. Fernández‐Martín
- UGC Bone Metabolism Institute of Health Research of the Principality of Asturias (ISPA) Oviedo Asturias Spain
| | - Ana I. Morales
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
| | - Francisco J. López‐Hernández
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Health Sciences Studies of Castilla y Leon (IECSCYL) Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
| | - José M. López‐Novoa
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
| | - Carlos Martínez‐Salgado
- Department of Physiology and Pharmacology, Translational Research on Renal and Cardiovascular Diseases (TRECARD) University of Salamanca Salamanca Spain
- Institute of Health Sciences Studies of Castilla y Leon (IECSCYL) Salamanca Spain
- Institute of Biomedical Research of Salamanca (IBSAL) Salamanca Spain
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The antioxidant and DNA-repair enzyme apurinic/apyrimidinic endonuclease 1 limits the development of tubulointerstitial fibrosis partly by modulating the immune system. Sci Rep 2019; 9:7823. [PMID: 31127150 PMCID: PMC6534557 DOI: 10.1038/s41598-019-44241-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 05/13/2019] [Indexed: 12/13/2022] Open
Abstract
Apurinic/apyrimidinic endonuclease 1 (APE1) is a multifunctional protein that controls the cellular response to oxidative stress and possesses DNA-repair functions. It has important roles in the progression and outcomes of various diseases; however, its function and therapeutic prospects with respect to kidney injury are unknown. To study this, we activated APE1 during kidney injury by constructing an expression vector (pCAG-APE1), using an EGFP expression plasmid (pCAG-EGFP) as a control. We performed unilateral ureteral obstruction (UUO) as a model of tubulointerstitial fibrosis on ICR mice before each vector was administrated via retrograde renal vein injection. In this model, pCAG-APE1 injection did not produce any adverse effects and significantly reduced histological end points including fibrosis, inflammation, tubular injury, and oxidative stress, as compared to those parameters after pCAG-EGFP injection. qPCR analysis showed significantly lower expression of Casp3 and inflammation-related genes in pCAG-APE1-injected animals compared to those in pCAG-EGFP-injected UUO kidneys. RNA-Seq analyses showed that the major transcriptional changes in pCAG-APE1-injected UUO kidneys were related to immune system processes, metabolic processes, catalytic activity, and apoptosis, leading to normal kidney repair. Therefore, APE1 suppressed renal fibrosis, not only via antioxidant and DNA-repair functions, but also partly by modulating the immune system through multiple pathways including Il6, Tnf, and chemokine families. Thus, therapeutic APE1 modulation might be beneficial for the treatment of renal diseases.
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Yang L, Xue J, Meng X, Wang Y, Wu L, Lv C, Liu T, Bai Y. Effects of total flavonoids from Oxytropis falcata Bunge on the SOCS/JAK/STAT inflammatory signaling pathway in the kidneys of diabetic nephropathy model mice. EUR J INFLAMM 2019. [DOI: 10.1177/2058739219861877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
To investigate the effects of total flavonoids from Oxytropis falcata Bunge on the inflammatory signaling pathway suppressor of cytokine signaling (SOCS)/Janus kinase (JAK)/signal transducer and activator of transcription (STAT) in diabetic nephropathy KK-Ay mice. KK-Ay mice were used to establish a diabetic nephropathy model. The general condition of the mice treated with different concentrations of total flavonoids from O. falcata was monitored, respectively. Body weight, blood glucose, 24-h urinary albumin (UAlb), serum creatinine (Cre), blood urea nitrogen (BUN), and uric acid (UA) levels were measured at different time points. Hematoxylin and eosin staining quantitative reverse transcription-polymerase chain reaction and western blotting were used to detect changes in renal tissues and glomerular mesangial cells. Four weeks after model establishment, body weight, blood glucose, and 24 h UAlb significantly increased in KK-Ay mice compared with that in control C57BL/6j mice ( P < 0.05). Compared with non-treated model mice, mice treated with total flavonoids from O. falcata for 4 weeks had significantly decreased serum Cre, BUN, and UA; monocyte chemoattractant protein-1(MCP-1), nuclear factor(NF)-κB, interleukin(IL)-6, and transforming growth factor(TGF)-β1, JAK 1, STAT 3 and STAT 4 mRNA levels; and p-JAK2 and p-STAT1 protein levels and significantly increased SOCS-1 and SOCS-3 protein levels in the kidneys. The treatment effects were dose-dependent and same to in vitro. Our results reflected that total flavonoids from O. falcata relieved renal tissue inflammation in diabetic mice by reducing blood glucose levels and inhibiting JAK/STAT signaling, thereby protecting against the development of diabetic nephropathy.
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Affiliation(s)
- Lixia Yang
- Gansu Province Academy of Chinese Medicine, Lanzhou, China
| | - Jianjun Xue
- Department of Anesthesiology, Gansu Province Hospital of Chinese Medicine, Lanzhou, China
| | - Xiangyun Meng
- Gansu Province Hospital of Chinese Medicine, Lanzhou, China
| | - Yongsheng Wang
- Gansu Province Hospital of Chinese Medicine, Lanzhou, China
| | - Lili Wu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing
| | - Cuiyan Lv
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing
| | - Tonghua Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing
| | - Yu Bai
- Gansu University of Traditional Chinese Medicine, Lanzhou, China
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22
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YB-1 increases glomerular, but decreases interstitial fibrosis in CNI-induced nephropathy. Clin Immunol 2018; 194:67-74. [DOI: 10.1016/j.clim.2018.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 07/02/2018] [Indexed: 12/14/2022]
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23
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Liu J, Zhou L, He L, Zhong Y, Zhang X, Xiao B, Liu G. Periplaneta Americana Extract May Attenuate Renal Fibrosis through Inhibiting Janus Tyrosine Kinase 2/Signal Transducer and Activator of Transcription 3 Pathway. Pharmacology 2018; 102:1-8. [PMID: 29669350 DOI: 10.1159/000488535] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 03/19/2018] [Indexed: 01/10/2023]
Abstract
BACKGROUND Periplaneta americana is one of the ancient insect groups with the strongest vitality. Periplaneta americana extract (PAE) has been explored as an alternative remedy for many diseases. Although much progress has been made in the study about PAE, the role of the drug in renal disease is rarely reported, especially in renal fibrosis. This study was designed to evaluate the renoprotective effect of PAE treatment to renal fibrosis. METHOD An in vivo, unilateral ureteral obstruction (UUO) mouse model was built. Then the mice were treated with PAE (100 mg/kg body weight) once daily by oral gavage, again starting on the day of UUO and continued for 1 week. At the end of 1 week, the mice were sacrificed; kidney samples were collected for further analysis. In vitro, Boston University mouse proximal tubular cells were plated in 35-mm dishes at a density of 0.3 * 106 cells/dish. Then the cells were treated with 5-ng/mL TGF-β1 in serum-free DMEM medium for an indicated length of time. The experimental groups were pretreated with the indicated concentrations of PAE (0.3125 mg/mL). The cells were further cultured for 24 h, and then cells were monitored morphologically or collected for biochemical analyses. RESULTS Both in vivo and vitro PAE inhibits the expression of FN and alpha-smooth muscle actin and suppresses renal fibrosis. Importantly, PAE protects against renal fibrosis by inhibiting Janus tyrosine kinase 2 (JAK)/signal transducer and activator of transcription 3 (STAT) tyrosine phosphorylation. CONCLUSION PAE attenuates renal fibrosis through the suppression of the JAK2/STAT3 pathway.
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Affiliation(s)
- Jingsong Liu
- Department of Nephrology, Hospital Affiliated to Hunan Academy of Chinese Medicine, Chinese Medicine and Western Medicine Hospital Affliated to Hunan University of Chinese Medicine, Changsha, China
| | - Lin Zhou
- Nephrology Department, The Second Xiangya Hospital, Central South University, Key Lab of Kidney Disease and Blood Purification in Hunan, Changsha, China
| | - Liyu He
- Nephrology Department, The Second Xiangya Hospital, Central South University, Key Lab of Kidney Disease and Blood Purification in Hunan, Changsha, China
| | - Ying Zhong
- Department of Nephrology, Hospital Affiliated to Hunan Academy of Chinese Medicine, Chinese Medicine and Western Medicine Hospital Affliated to Hunan University of Chinese Medicine, Changsha, China
| | - Xiaobai Zhang
- Department of Nephrology, Hospital Affiliated to Hunan Academy of Chinese Medicine, Chinese Medicine and Western Medicine Hospital Affliated to Hunan University of Chinese Medicine, Changsha, China
| | - Bofei Xiao
- Department of Nephrology, Hospital Affiliated to Hunan Academy of Chinese Medicine, Chinese Medicine and Western Medicine Hospital Affliated to Hunan University of Chinese Medicine, Changsha, China
| | - Guoyong Liu
- Department of Nephrology, The First Affiliated Hospital of Changde Vocational Technical College, Changde, China
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24
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Abstract
Acute kidney injury (AKI) and chronic kidney disease (CKD) are worldwide public health problems affecting millions of people and have rapidly increased in prevalence in recent years. Due to the multiple causes of renal failure, many animal models have been developed to advance our understanding of human nephropathy. Among these experimental models, rodents have been extensively used to enable mechanistic understanding of kidney disease induction and progression, as well as to identify potential targets for therapy. In this review, we discuss AKI models induced by surgical operation and drugs or toxins, as well as a variety of CKD models (mainly genetically modified mouse models). Results from recent and ongoing clinical trials and conceptual advances derived from animal models are also explored.
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Affiliation(s)
- Yin-Wu Bao
- Kidney Disease Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China. .,Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China
| | - Yuan Yuan
- Kidney Disease Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China. .,Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China
| | - Jiang-Hua Chen
- Kidney Disease Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China.
| | - Wei-Qiang Lin
- Kidney Disease Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China. .,Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou Zhejiang 310058, China
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25
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Effects of Qingshen granules on Janus Kinase/signal transducer and activator of transcription signaling pathway in rats with unilateral ureteral obstruction. J TRADIT CHIN MED 2018. [DOI: 10.1016/j.jtcm.2017.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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González-Guerrero C, Cannata-Ortiz P, Guerri C, Egido J, Ortiz A, Ramos AM. TLR4-mediated inflammation is a key pathogenic event leading to kidney damage and fibrosis in cyclosporine nephrotoxicity. Arch Toxicol 2016; 91:1925-1939. [PMID: 27585667 DOI: 10.1007/s00204-016-1830-8] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 08/24/2016] [Indexed: 01/12/2023]
Abstract
Cyclosporine A (CsA) successfully prevents allograft rejection, but nephrotoxicity is still a dose-limiting adverse effect. TLR4 activation promotes kidney damage but whether this innate immunity receptor mediates CsA nephrotoxicity is unknown. The in vivo role of TLR4 during CsA nephrotoxicity was studied in mice co-treated with CsA and the TLR4 inhibitor TAK242 and also in TLR4-/- mice. CsA-induced renal TLR4 expression in wild-type mice. Pharmacological or genetic targeting of TLR4 reduced the activation of proinflammatory signaling, including JNK/c-jun, JAK2/STAT3, IRE1α and NF-κB and the expression of Fn14. Expression of proinflammatory factors and cytokines was also decreased, and kidney monocyte and lymphocyte influx was prevented. TLR4 inhibition also reduced tubular damage and drastically prevented the development of kidney fibrosis. In vivo and in vitro CsA promoted secretion of the TLR ligand HMGB1 by tubular cells upstream of TLR4 activation, and prevention of HMGB1 secretion significantly reduced CsA-induced synthesis of MCP-1, suggesting that HMGB1 may be one of the mediators of CsA-induced TLR4 activation. These results suggest that TLR4 is a potential pharmacological target in CsA nephrotoxicity.
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Affiliation(s)
- Cristian González-Guerrero
- Laboratory of Nephrology and Vascular Pathology, IIS-Fundación Jiménez Díaz, School of Medicine, Madrid, Spain.,REDINREN, Madrid, Spain
| | - Pablo Cannata-Ortiz
- REDINREN, Madrid, Spain.,Pathology, IIS-Fundación Jiménez Díaz, School of Medicine, UAM, Madrid, Spain
| | - Consuelo Guerri
- Department of Cellular Pathology, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Jesús Egido
- Laboratory of Nephrology and Vascular Pathology, IIS-Fundación Jiménez Díaz, School of Medicine, Madrid, Spain.,Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, Spain
| | - Alberto Ortiz
- Laboratory of Nephrology and Vascular Pathology, IIS-Fundación Jiménez Díaz, School of Medicine, Madrid, Spain.,REDINREN, Madrid, Spain.,Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, Spain
| | - Adrián M Ramos
- Laboratory of Nephrology and Vascular Pathology, IIS-Fundación Jiménez Díaz, School of Medicine, Madrid, Spain. .,REDINREN, Madrid, Spain. .,Laboratorio de Patología Renal y Vascular (Investigación, 4° planta), Instituto de Investigación Sanitaria-Fundación Jiménez Díaz, Av. Reyes Católicos N°2, CP28040, Madrid, Spain.
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Makarev E, Izumchenko E, Aihara F, Wysocki PT, Zhu Q, Buzdin A, Sidransky D, Zhavoronkov A, Atala A. Common pathway signature in lung and liver fibrosis. Cell Cycle 2016; 15:1667-73. [PMID: 27267766 PMCID: PMC4957589 DOI: 10.1080/15384101.2016.1152435] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Fibrosis, a progressive accumulation of extracellular matrix components, encompasses a wide spectrum of distinct organs, and accounts for an increasing burden of morbidity and mortality worldwide. Despite the tremendous clinical impact, the mechanisms governing the fibrotic process are not yet understood, and to date, no clinically reliable therapies for fibrosis have been discovered. Here we applied Regeneration Intelligence, a new bioinformatics software suite for qualitative analysis of intracellular signaling pathway activation using transcriptomic data, to assess a network of molecular signaling in lung and liver fibrosis. In both tissues, our analysis detected major conserved signaling pathways strongly associated with fibrosis, suggesting that some of the pathways identified by our algorithm but not yet wet-lab validated as fibrogenesis related, may be attractive targets for future research. While the majority of significantly disrupted pathways were specific to histologically distinct organs, several pathways have been concurrently activated or downregulated among the hepatic and pulmonary fibrosis samples, providing new evidence of evolutionary conserved pathways that may be relevant as possible therapeutic targets. While future confirmatory studies are warranted to validate these observations, our platform proposes a promising new approach for detecting fibrosis-promoting pathways and tailoring the right therapy to prevent fibrogenesis.
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Affiliation(s)
- Eugene Makarev
- a Atlas Regeneration, Inc. , Winston-Salem , NC , USA.,b Insilico Medicine, Inc., ETC, Johns Hopkins University , Baltimore , MD , USA
| | - Evgeny Izumchenko
- c Department of Otolaryngology-Head & Neck Surgery , Johns Hopkins University School of Medicine , Baltimore , MD , USA
| | - Fumiaki Aihara
- d Advanced Academic Programs, Johns Hopkins University , Baltimore , MD , USA
| | - Piotr T Wysocki
- c Department of Otolaryngology-Head & Neck Surgery , Johns Hopkins University School of Medicine , Baltimore , MD , USA
| | - Qingsong Zhu
- b Insilico Medicine, Inc., ETC, Johns Hopkins University , Baltimore , MD , USA
| | - Anton Buzdin
- e The Biogerontology Research Foundation , London , UK
| | - David Sidransky
- c Department of Otolaryngology-Head & Neck Surgery , Johns Hopkins University School of Medicine , Baltimore , MD , USA
| | - Alex Zhavoronkov
- b Insilico Medicine, Inc., ETC, Johns Hopkins University , Baltimore , MD , USA.,f Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine , Winston-Salem , NC , USA
| | - Anthony Atala
- a Atlas Regeneration, Inc. , Winston-Salem , NC , USA.,g Pathway Pharmaceuticals, Ltd , Hong Kong , Hong Kong
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28
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Guan Y, Wu XX, Duan JL, Yin Y, Guo C, Wei G, Wang YH, Zhu YR, Weng Y, Xi MM, Wen AD. Effects and Mechanism of Combination of Rhein and Danshensu in the Treatment of Chronic Kidney Disease. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2015; 43:1381-400. [PMID: 26503560 DOI: 10.1142/s0192415x15500780] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Traditional Chinese medicine (TCM) plays a systemic role in disease treatment, targeting multiple etiological factors simultaneously. Based on clinical experience, rhubarb and Salvia miltiorrhiza are commonly prescribed together for the treatment of chronic kidney disease (CKD) and have been proven to be very effective. However, the rationale of the combination remains unclear. The major active ingredients of these two herbs are rhein (RH) and danshensu (DSS), respectively. The aim of this paper is to investigate the renoprotective effects of RH and DSS in vitro and in vivo, and the underlying mechanism. A total of 5/6 nephrectomy rats and HK-2 cells were subjected to chronic renal injury. The combination of RH and DSS conferred a protective effect, as shown by a significant improvement in the renal function, blood supply, and fibrotic degree. Proinflammatory cytokines and adhesion molecules were suppressed by RH and DSS through NK-κB signaling. The combination also inhibited apoptosis by up-regulating Bcl-2 and down-regulating Bax. Inhibiting the TGF-β/Smad3 pathway was at least in part involved in the antifibrotic mechanism of the combination treatment of RH and DSS. This study demonstrates for the first time the renoprotective effect and the mechanism of RH and DSS combination on chronic renal injury. It could provide experimental evidence to support the rationality of the combinatorial use of TCM in clinical practices.
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Affiliation(s)
- Yue Guan
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Xiao-Xiao Wu
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Jia-Lin Duan
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Ying Yin
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Chao Guo
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Guo Wei
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Yan-Hua Wang
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Yan-Rong Zhu
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Yan Weng
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Miao-Miao Xi
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
| | - Ai-Dong Wen
- 1 Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, P.R. China
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29
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Brosius FC, He JC. JAK inhibition and progressive kidney disease. Curr Opin Nephrol Hypertens 2015; 24:88-95. [PMID: 25415616 DOI: 10.1097/mnh.0000000000000079] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
PURPOSE OF REVIEW To review the role of Janus kinase-signal transducer and activator of transcription (JAK-STAT) signaling in the progression of chronic kidney diseases. RECENT FINDINGS The JAK-STAT pathway transmits signals from extracellular ligands, including many cytokines and chemokines. While these responses are best characterized in lymphoid cells, they also occur in kidney cells such as podocytes, mesangial cells, and tubular cells. JAK-STAT expression and signaling abnormalities occur in humans and animal models of different chronic kidney diseases. Enhanced expression and augmented activity of JAK1, JAK2, and STAT3 promote diabetic nephropathy and their inhibition appears to reduce the disease. Activation of JAK-STAT signaling in autosomal dominant polycystic kidney disease may play an important role in cyst growth. Activation of JAK-STAT signaling promotes HIV-associated nephropathy and may also participate in the tubular responses to chronic obstructive uropathy. On the basis of data from experimental models, inhibition of JAK-STAT signaling, via increased expression of the suppressors of cytokine signaling proteins or pharmacologic inhibition of JAK and STAT proteins, could play a therapeutic role in multiple chronic kidney diseases. SUMMARY Activation of the JAK-STAT pathway appears to play a role in the progression of some chronic kidney diseases. More work is needed to determine the specific role the pathway plays in individual diseases.
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Affiliation(s)
- Frank C Brosius
- aDepartments of Internal Medicine and Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA bDepartment of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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30
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Tang J, Liu CY, Lu MM, Zhang J, Mei WJ, Yang WJ, Xie YY, Huang L, Peng ZZ, Yuan QJ, Liu JS, Hu GY, Tao LJ. Fluorofenidone protects against renal fibrosis by inhibiting STAT3 tyrosine phosphorylation. Mol Cell Biochem 2015; 407:77-87. [PMID: 26033204 DOI: 10.1007/s11010-015-2456-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 05/16/2015] [Indexed: 12/17/2022]
Abstract
Signaling through the Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway, especially JAK2/STAT3, is involved in renal fibrosis. Fluorofenidone (FD), a novel pyridone agent, exerts anti-fibrotic effects in vitro and in vivo. Herein, we sought to investigate whether FD demonstrates its inhibitory function through preventing JAK2/STAT3 pathway. In this study, we examined the effect of FD on activation of rat renal interstitial fibroblasts, glomerular mesangial cells (GMC), and expression of JAK2/STAT3. Moreover, we explored the histological protection effects of FD in UUO rats, db/db mice, and phosphorylation of JAK2/STAT3 cascade. Our studies found that pretreatment with FD resulted in blockade of activation of fibroblast and GMC manifested by fibronectin (FN) and α-smooth muscle actin (α-SMA) protein expression and decline of STAT3 tyrosine phosphorylation induced by IL-6 or high glucose. In unilateral ureteral obstruction rats and a murine model of spontaneous type 2 diabetes (db/db mice), treatment with FD blocked the expression of FN and α-SMA, prevented renal fibrosis progression, and attenuated STAT3 activation. However, FD administration did not interfere with JAK2 activation both in vivo and in vitro. In summary, the molecular mechanism by which FD exhibits renoprotective effects appears to involve the inhibition of STAT3 phosphorylation.
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Affiliation(s)
- Juan Tang
- Division of Nephrology, Department of Internal Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
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31
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Mori J, Patel VB, Ramprasath T, Alrob OA, DesAulniers J, Scholey JW, Lopaschuk GD, Oudit GY. Angiotensin 1–7 mediates renoprotection against diabetic nephropathy by reducing oxidative stress, inflammation, and lipotoxicity. Am J Physiol Renal Physiol 2014; 306:F812-21. [DOI: 10.1152/ajprenal.00655.2013] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The renin-angiotensin system, especially angiotensin II (ANG II), plays a key role in the development and progression of diabetic nephropathy. ANG 1–7 has counteracting effects on ANG II and is known to exert beneficial effects on diabetic nephropathy. We studied the mechanism of ANG 1–7-induced beneficial effects on diabetic nephropathy in db/db mice. We administered ANG 1–7 (0.5 mg·kg−1·day−1) or saline to 5-mo-old db/db mice for 28 days via implanted micro-osmotic pumps. ANG 1–7 treatment reduced kidney weight and ameliorated mesangial expansion and increased urinary albumin excretion, characteristic features of diabetic nephropathy, in db/db mice. ANG 1–7 decreased renal fibrosis in db/db mice, which correlated with dephosphorylation of the signal transducer and activator of transcription 3 (STAT3) pathway. ANG 1–7 treatment also suppressed the production of reactive oxygen species via attenuation of NADPH oxidase activity and reduced inflammation in perirenal adipose tissue. Furthermore, ANG 1–7 treatment decreased lipid accumulation in db/db kidneys, accompanied by increased expressions of renal adipose triglyceride lipase (ATGL). Alterations in ATGL expression correlated with increased SIRT1 expression and deacetylation of FOXO1. The upregulation of angiotensin-converting enzyme 2 levels in diabetic nephropathy was normalized by ANG 1–7. ANG 1–7 treatment exerts renoprotective effects on diabetic nephropathy, associated with reduction of oxidative stress, inflammation, fibrosis, and lipotoxicity. ANG 1–7 can represent a promising therapy for diabetic nephropathy.
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Affiliation(s)
- Jun Mori
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; and
| | - Vaibhav B. Patel
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; and
| | - Tharmarajan Ramprasath
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; and
| | - Osama Abo Alrob
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Jessica DesAulniers
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; and
| | - James W. Scholey
- Division of Nephrology, Department of Medicine, University of Toronto, Ontario, Canada
| | - Gary D. Lopaschuk
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Gavin Y. Oudit
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
- Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; and
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