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Gu S, Huang X, Luo S, Liu Y, Khoong Y, Liang H, Tu L, Xu R, Yang E, Zhao Y, Yao M, Zan T. Targeting the nuclear long noncoding transcript LSP1P5 abrogates extracellular matrix deposition by trans-upregulating CEBPA in keloids. Mol Ther 2024; 32:1984-1999. [PMID: 38553852 PMCID: PMC11184311 DOI: 10.1016/j.ymthe.2024.03.031] [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: 06/02/2023] [Revised: 01/07/2024] [Accepted: 03/26/2024] [Indexed: 06/09/2024] Open
Abstract
Keloids are characterized by fibroblast hyperproliferation and excessive accumulation of extracellular matrix (ECM) and are a major global health care burden among cutaneous diseases. However, the function of long noncoding RNA (lncRNA)-mediated ECM remodeling during the pathogenesis of keloids is still unclear. Herein, we identified a long noncoding transcript, namely, lymphocyte-specific protein 1 pseudogene 5 (LSP1P5), that modulates ECM component deposition in keloids. First, high-throughput transcriptome analysis showed that LSP1P5 was selectively upregulated in keloids and correlated with more severe disease in a clinical keloid cohort. Therapeutically, the attenuation of LSP1P5 significantly decreased the expression of ECM markers (COL1, COL3, and FN1) both in vitro and in vivo. Intriguingly, an antifibrotic gene, CCAAT enhancer binding protein alpha (CEBPA), is a functional downstream candidate of LSP1P5. Mechanistically, LSP1P5 represses CEBPA expression by hijacking Suppressor of Zeste 12 to the promoter of CEBPA, thereby enhancing the polycomb repressive complex 2-mediated H3K27me3 and changing the chromosomal opening status of CEBPA. Taken together, these findings indicate that targeting LSP1P5 abrogates fibrosis in keloids through epigenetic regulation of CEBPA, revealing a novel antifibrotic therapeutic strategy that bridges our current understanding of lncRNA regulation, histone modification and ECM remodeling in keloids.
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Affiliation(s)
- Shuchen Gu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Xin Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Shenying Luo
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Yunhan Liu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Yimin Khoong
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Hsin Liang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Liying Tu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Ruoqing Xu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - En Yang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China
| | - Yixuan Zhao
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China.
| | - Min Yao
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China.
| | - Tao Zan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, P.R. China.
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Gu YY, Liu XS, Lan HY. Therapeutic potential for renal fibrosis by targeting Smad3-dependent noncoding RNAs. Mol Ther 2024; 32:313-324. [PMID: 38093516 PMCID: PMC10861968 DOI: 10.1016/j.ymthe.2023.12.009] [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: 06/14/2023] [Revised: 09/13/2023] [Accepted: 12/11/2023] [Indexed: 01/26/2024] Open
Abstract
Renal fibrosis is a characteristic hallmark of chronic kidney disease (CKD) that ultimately results in renal failure, leaving patients with few therapeutic options. TGF-β is a master regulator of renal fibrosis and mediates progressive renal fibrosis via both canonical and noncanonical signaling pathways. In the canonical Smad signaling, Smad3 is a key mediator in tissue fibrosis and mediates renal fibrosis via a number of noncoding RNAs (ncRNAs). In this regard, targeting Smad3-dependent ncRNAs may offer a specific therapy for renal fibrosis. This review highlights the significance and innovation of TGF-β/Smad3-associated ncRNAs as biomarkers and therapeutic targets in renal fibrogenesis. In addition, the underlying mechanisms of these ncRNAs and their future perspectives in the treatment of renal fibrosis are discussed.
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Affiliation(s)
- Yue-Yu Gu
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Departments of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong; Department of Pharmacology, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China; Departments of Nephrology and Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China
| | - Xu-Sheng Liu
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Hui-Yao Lan
- Departments of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong; Departments of Nephrology and Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China.
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Tang PC, Chan MK, Chung JY, Chan AS, Zhang D, Li C, Leung K, Ng CS, Wu Y, To K, Lan H, Tang PM. Hematopoietic Transcription Factor RUNX1 is Essential for Promoting Macrophage-Myofibroblast Transition in Non-Small-Cell Lung Carcinoma. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2302203. [PMID: 37967345 PMCID: PMC10767400 DOI: 10.1002/advs.202302203] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 10/06/2023] [Indexed: 11/17/2023]
Abstract
Macrophage-myofibroblast transition (MMT) is a newly discovered pathway for mass production of pro-tumoral cancer-associated fibroblasts (CAFs) in non-small cell lung carcinoma (NSCLC) in a TGF-β1/Smad3 dependent manner. Better understanding its regulatory signaling in tumor microenvironment (TME) may identify druggable target for the development of precision medicine. Here, by dissecting the transcriptome dynamics of tumor-associated macrophage at single-cell resolution, a crucial role of a hematopoietic transcription factor Runx1 in MMT formation is revealed. Surprisingly, integrative bioinformatic analysis uncovers Runx1 as a key regulator in the downstream of MMT-specific TGF-β1/Smad3 signaling. Stromal Runx1 level positively correlates with the MMT-derived CAF abundance and mortality in NSCLC patients. Mechanistically, macrophage-specific Runx1 promotes the transcription of genes related to CAF signatures in MMT cells at genomic level. Importantly, macrophage-specific genetic deletion and systemic pharmacological inhibition of TGF-β1/Smad3/Runx1 signaling effectively prevent MMT-driven CAF and tumor formation in vitro and in vivo, representing a potential therapeutic target for clinical NSCLC.
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Affiliation(s)
- Philip Chiu‐Tsun Tang
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongShatin999077Hong Kong
| | - Max Kam‐Kwan Chan
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongShatin999077Hong Kong
| | - Jeff Yat‐Fai Chung
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongShatin999077Hong Kong
| | - Alex Siu‐Wing Chan
- Department of Applied Social SciencesThe Hong Kong Polytechnic UniversityHunghom999077Hong Kong
| | - Dongmei Zhang
- College of PharmacyJinan UniversityGuangzhou510632China
| | - Chunjie Li
- Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityChengduSichuan610041China
| | - Kam‐Tong Leung
- Department of PaediatricsThe Chinese University of Hong KongShatin999077Hong Kong
| | - Calvin Sze‐Hang Ng
- Department of SurgeryThe Chinese University of Hong KongShatin999077Hong Kong
| | - Yi Wu
- MOE Key Laboratory of Environment and Genes Related to DiseasesSchool of Basic Medical SciencesXi'an Jiaotong UniversityXi'an710061China
| | - Ka‐Fai To
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongShatin999077Hong Kong
| | - Hui‐Yao Lan
- Department of Medicine and TherapeuticsLi Ka Shing Institute of Health SciencesThe Chinese University of Hong KongShatin999077Hong Kong
| | - Patrick Ming‐Kuen Tang
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongShatin999077Hong Kong
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Liu L, Guo J, Pang XL, Shang WJ, Wang ZG, Wang JX, Yang XL, Feng GW. Exploration of the mechanism of NORAD activation of TGF-β1/Smad3 through miR-136-5p and promotion of tacrolimus-induced renal fibrosis. Ren Fail 2023; 45:2147083. [PMID: 36748746 PMCID: PMC9930837 DOI: 10.1080/0886022x.2022.2147083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Tacrolimus is a potent immunosuppressant, but has various side effects, with nephrotoxicity being the most common. Renal fibrosis is an important process of tacrolimus nephrotoxicity. Therefore, it is important to identify the factors that contribute to renal fibrosis after tacrolimus nephrotoxicity, and control its development. METHODS The present study aims to determine whether tacrolimus may speed up the course of renal fibrosis by upregulating noncoding RNA activated by DNA damage (NORAD) to compete with miR-136-5p, and activating the TGF-β1/Smad3 pathway. Furthermore, in vivo rat models and in vitro cell models were established. Then, the expression levels of NORAD and miR-136-5p were determined by RT-qPCR, while the expression of the TGF-β1/Smad3 pathway was determined by western blot and RT-qPCR. In order to investigate the interaction between NORAD and miR-136-5p, as well as miR-136-5p and SYK, two luciferase reporters were employed. The renal fibrosis of mice was observed using Masson and PAS staining. The expression of inflammatory factors IL-1, IL-6, MCP-1 and TNF-α was detected by ELISA. RESULTS In the in vitro experiments, NORAD was upregulated, while miR-136-5p was downregulated after tacrolimus induction. The expression of the TGF-β1/Smad3 pathway correspondingly changed after the induction by tacrolimus. In the in vivo experiments, the expression of NORAD and miR-136-5p, and the trend for renal fibrosis were consistent with the results in the in vitro experiments. Furthermore, the inflammatory factors correspondingly changed with the severity of renal fibrosis. Moreover, the expression trend of the TGF-β1/Smad3 pathway in tacrolimus-induced rats was consistent with that in the in vitro experiments. CONCLUSION Through in vitro and in vivo experiments, the present study was able to successfully prove that tacrolimus upregulates NORAD to compete with miR-136-5p, resulting in a decrease in miR-136-5p expression, which in turn activates the TGF-β1/smad3 pathway, and finally induces the aggravation of renal fibrosis.
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Affiliation(s)
- Lei Liu
- Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jia Guo
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xin-lu Pang
- Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wen-jun Shang
- Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhi-gang Wang
- Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jun-xiang Wang
- Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | | | - Gui-wen Feng
- Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China,CONTACT Guiwen Feng Department of Kidney Transplantation, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
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王 一, 郭 建, 邵 宝, 陈 海, 蓝 辉. [The Role of TGF-β1/SMAD in Diabetic Nephropathy: Mechanisms and Research Development]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2023; 54:1065-1073. [PMID: 38162063 PMCID: PMC10752761 DOI: 10.12182/20231160108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Indexed: 01/03/2024]
Abstract
Diabetic nephropathy (DN) is a common complication of diabetes and a leading cause of end-stage renal disease. Transforming growth factor-β1 (TGF-β1)/SMAD signaling activation plays an important role in the onset and progression of DN. Reported findings suggest that the activation of TGF-β1 (including the latent form, the active form, and the receptors) and its downstream signaling proteins (SMAD3, SMAD7, etc.) plays a critical role in DN. In addition, TGF-β1/SMAD signaling may mediate the pathogenesis and progression of DN via various microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). Emerging evidence shows that TGF-β1, SMAD3, and SMAD7 are the main signaling proteins that contribute to the development of DN, and that they can be potential targets for the treatment of DN. However, recent clinical trials have shown that the anti-TGF-β1 monoclonal antibody treatment fails to effectively alleviate DN, which suggests that upstream inhibition of TGF-β1/SMAD signaling does not alleviate clinical symptoms and that this may be related to the fact that TGF-β1/SMAD has multiple biological effects. Targeted inhibition of the downstream TGF-β1 signaling (e.g., SMAD3 and SMAD7) may be an effective approach to attenuate DN. This article discussed the current understanding of the molecular mechanisms and potential targets for the treatment and prevention of DN by focusing on TGF-β1/SMAD signaling.
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Affiliation(s)
- 一帆 王
- 香港大学中医药学院 (香港 999000)School of Chinese Medicine, The University of Hong Kong, Hong Kong 999000, China
| | - 建波 郭
- 香港大学中医药学院 (香港 999000)School of Chinese Medicine, The University of Hong Kong, Hong Kong 999000, China
| | - 宝仪 邵
- 香港大学中医药学院 (香港 999000)School of Chinese Medicine, The University of Hong Kong, Hong Kong 999000, China
| | - 海勇 陈
- 香港大学中医药学院 (香港 999000)School of Chinese Medicine, The University of Hong Kong, Hong Kong 999000, China
- 香港大学深圳医院 中医部 (深圳 518053)Department of Chinese Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - 辉耀 蓝
- 香港大学中医药学院 (香港 999000)School of Chinese Medicine, The University of Hong Kong, Hong Kong 999000, China
- 香港大学深圳医院 中医部 (深圳 518053)Department of Chinese Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
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Bagang N, Gupta K, Singh G, Kanuri SH, Mehan S. Protease-activated receptors in kidney diseases: A comprehensive review of pathological roles, therapeutic outcomes and challenges. Chem Biol Interact 2023; 377:110470. [PMID: 37011708 DOI: 10.1016/j.cbi.2023.110470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/21/2023] [Accepted: 03/31/2023] [Indexed: 04/03/2023]
Abstract
Studies have demonstrated that protease-activated receptors (PARs) with four subtypes (PAR1-4) are mainly expressed in the renal epithelial, endothelial, and podocyte cells. Some endogenous and urinary proteases, namely thrombin, trypsin, urokinase, and kallikrein released during diseased conditions, are responsible for activating different subtypes of PARs. Each PAR receptor subtype is involved in kidney disease of distinct aetiology. PAR1 and PAR2 have shown differential therapeutic outcomes in rodent models of type-1 and type-2 diabetic kidney diseases due to the distinct etiological basis of each disease type, however such findings need to be confirmed in other diabetic renal injury models. PAR1 and PAR2 blockers have been observed to abolish drug-induced nephrotoxicity in rodents by suppressing tubular inflammation and fibrosis and preventing mitochondrial dysfunction. Notably, PAR2 inhibition improved autophagy and prevented fibrosis, inflammation, and remodeling in the urethral obstruction model. Only the PAR1/4 subtypes have emerged as a therapeutic target for treating experimentally induced nephrotic syndrome, where their respective antibodies attenuated the podocyte apoptosis induced upon thrombin activation. Strikingly PAR2 and PAR4 subtypes involvement has been tested in sepsis-induced acute kidney injury (AKI) and renal ischemia-reperfusion injury models. Thus, more studies are required to delineate the role of other subtypes in the sepsis-AKI model. Evidence suggests that PARs regulate oxidative, inflammatory stress, immune cell activation, fibrosis, autophagic flux, and apoptosis during kidney diseases.
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Chung JYF, Tang PCT, Chan MKK, Xue VW, Huang XR, Ng CSH, Zhang D, Leung KT, Wong CK, Lee TL, Lam EWF, Nikolic-Paterson DJ, To KF, Lan HY, Tang PMK. Smad3 is essential for polarization of tumor-associated neutrophils in non-small cell lung carcinoma. Nat Commun 2023; 14:1794. [PMID: 37002229 PMCID: PMC10066366 DOI: 10.1038/s41467-023-37515-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 03/20/2023] [Indexed: 04/03/2023] Open
Abstract
Neutrophils are dynamic with their phenotype and function shaped by the microenvironment, such as the N1 antitumor and N2 pro-tumor states within the tumor microenvironment (TME), but its regulation remains undefined. Here we examine TGF-β1/Smad3 signaling in tumor-associated neutrophils (TANs) in non-small cell lung carcinoma (NSCLC) patients. Smad3 activation in N2 TANs is negatively correlate with the N1 population and patient survival. In experimental lung carcinoma, TANs switch from a predominant N2 state in wild-type mice to an N1 state in Smad3-KO mice which associate with enhanced neutrophil infiltration and tumor regression. Neutrophil depletion abrogates the N1 anticancer phenotype in Smad3-KO mice, while adoptive transfer of Smad3-KO neutrophils reproduces this protective effect in wild-type mice. Single-cell analysis uncovers a TAN subset showing a mature N1 phenotype in Smad3-KO TME, whereas wild-type TANs mainly retain an immature N2 state due to Smad3. Mechanistically, TME-induced Smad3 target genes related to cell fate determination to preserve the N2 state of TAN. Importantly, genetic deletion and pharmaceutical inhibition of Smad3 enhance the anticancer capacity of neutrophils against NSCLC via promoting their N1 maturation. Thus, our work suggests that Smad3 signaling in neutrophils may represent a therapeutic target for cancer immunotherapy.
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Affiliation(s)
- Jeff Yat-Fai Chung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Philip Chiu-Tsun Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Max Kam-Kwan Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Vivian Weiwen Xue
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Carson International Cancer Center, Department of Pharmacology, Shenzhen University Health Science Center, Shenzhen, China
| | - Xiao-Ru Huang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Calvin Sze-Hang Ng
- Department of Surgery, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Dongmei Zhang
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Kam-Tong Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Chun-Kwok Wong
- Department of Chemical Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Tin-Lap Lee
- Reproduction, Development and Endocrinology Program, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Eric W-F Lam
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong, 510060, China
| | - David J Nikolic-Paterson
- Department of Nephrology and Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, 3168, Australia
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong.
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Sheng J, Lu C, Liao Z, Xue M, Zou Z, Feng J, Wu B. Suppression of lncRNA Snhg1 inhibits high glucose-induced inflammation and proliferation in mouse mesangial cells. Toxicol In Vitro 2023; 86:105482. [DOI: 10.1016/j.tiv.2022.105482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/08/2022] [Accepted: 10/08/2022] [Indexed: 12/04/2022]
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What's New in the Molecular Mechanisms of Diabetic Kidney Disease: Recent Advances. Int J Mol Sci 2022; 24:ijms24010570. [PMID: 36614011 PMCID: PMC9820354 DOI: 10.3390/ijms24010570] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/23/2022] [Accepted: 12/26/2022] [Indexed: 12/30/2022] Open
Abstract
Diabetic kidney disease (DKD) is the leading cause of chronic kidney disease, including end-stage kidney disease, and increases the risk of cardiovascular mortality. Although the treatment options for DKD, including angiotensin-converting enzyme inhibitors, angiotensin II receptor blockers, sodium-glucose cotransporter 2 inhibitors, and mineralocorticoid receptor antagonists, have advanced, their efficacy is still limited. Thus, a deeper understanding of the molecular mechanisms of DKD onset and progression is necessary for the development of new and innovative treatments for DKD. The complex pathogenesis of DKD includes various different pathways, and the mechanisms of DKD can be broadly classified into inflammatory, fibrotic, metabolic, and hemodynamic factors. Here, we summarize the recent findings in basic research, focusing on each factor and recent advances in the treatment of DKD. Collective evidence from basic and clinical research studies is helpful for understanding the definitive mechanisms of DKD and their regulatory systems. Further comprehensive exploration is warranted to advance our knowledge of the pathogenesis of DKD and establish novel treatments and preventive strategies.
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Tang PCT, Chung JYF, Liao J, Chan MKK, Chan ASW, Cheng G, Li C, Huang XR, Ng CSH, Lam EWF, Zhang D, Ho YP, To KF, Leung KT, Jiang X, Ko H, Lee TL, Lan HY, Tang PMK. Single-cell RNA sequencing uncovers a neuron-like macrophage subset associated with cancer pain. SCIENCE ADVANCES 2022; 8:eabn5535. [PMID: 36206343 PMCID: PMC9544324 DOI: 10.1126/sciadv.abn5535] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 08/23/2022] [Indexed: 05/29/2023]
Abstract
Tumor innervation is a common phenomenon with unknown mechanism. Here, we discovered a direct mechanism of tumor-associated macrophage (TAM) for promoting de novo neurogenesis via a subset showing neuronal phenotypes and pain receptor expression associated with cancer-driven nocifensive behaviors. This subset is rich in lung adenocarcinoma associated with poorer prognosis. By elucidating the transcriptome dynamics of TAM with single-cell resolution, we discovered a phenomenon "macrophage to neuron-like cell transition" (MNT) for directly promoting tumoral neurogenesis, evidenced by macrophage depletion and fate-mapping study in lung carcinoma models. Encouragingly, we detected neuronal phenotypes and activities of the bone marrow-derived MNT cells (MNTs) in vitro. Adoptive transfer of MNTs into NOD/SCID mice markedly enhanced their cancer-associated nocifensive behaviors. We identified macrophage-specific Smad3 as a pivotal regulator for promoting MNT at the genomic level; its disruption effectively blocked the tumor innervation and cancer-dependent nocifensive behaviors in vivo. Thus, MNT may represent a precision therapeutic target for cancer pain.
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Affiliation(s)
- Philip Chiu-Tsun Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Jeff Yat-Fai Chung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Jinyue Liao
- Department of Chemical Pathology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Max Kam-Kwan Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Alex Siu-Wing Chan
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong SAR
| | - Guangyao Cheng
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR
| | - Chunjie Li
- Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Xiao-Ru Huang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Calvin Sze-Hang Ng
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong SAR
| | - Eric W-F Lam
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen University, 651 Dongfeng East Road, Guangzhou, Guangdong Province 510060, China
| | - Dongmei Zhang
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Yi-Ping Ho
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Kam-Tong Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
| | - Xiaohua Jiang
- Key Laboratory for Regenerative Medicine of the Ministry of Education of China, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Ho Ko
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Tin-Lap Lee
- Reproduction, Development and Endocrinology Program, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
- Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, 999077 Hong Kong SAR
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong SAR
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11
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Chung JYF, Tang PMK, Chan MKK, Wang L, Huang XR, To KF, Ma RC, Lan HY. AANG Prevents Smad3-dependent Diabetic Nephropathy by Restoring Pancreatic β-Cell Development in db/db Mice. Int J Biol Sci 2022; 18:5489-5502. [PMID: 36147472 PMCID: PMC9461652 DOI: 10.7150/ijbs.72977] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/29/2022] [Indexed: 11/18/2022] Open
Abstract
Diabetic nephropathy (DN) is a major cause of end-stage kidney disease, where TGF-β1/Smad signaling plays an important role in the disease progression. Our previous studies demonstrated a combination of Traditional Chinese Medicine derived Smad7 agonist Asiatic Acid (AA) and Smad3 inhibitor Naringenin (NG), AANG, effectively suppressed the progression of renal fibrosis in vivo. However, its implication in type-2 diabetic nephropathy (T2DN) is still unexplored. Here, we detected progressive activation of Smad3 but reduction of Smad7 in db/db mice during T2DN development. Therefore, we optimized the dosage and the combination ratio of AANG to achieve a better rebalancing Smad3/Smad7 signaling for treatment of T2DN. Unexpectedly, preventive treatment with combined AANG from week 4 before the development of diabetes and T2DN effectively protected against the onset of T2DN. In contract, these inhibitory effects were lost when db/db mice received the late AANG treatment from 12-24 weeks. Surprisingly, preventive treatment with AANG ameliorated not only T2DN but also the primary disease type-2 diabetes (T2D) with relative normal levels of fasting blood glucose and HbA1c, and largely improving metabolic abnormalities especially on insulin insensitivity and glucose tolerance in db/db mice. Mechanistically, AANG effectively prevented both Smad3-mediated renal fibrosis and NF-κB-driven renal inflammation in the diabetic kidney in vivo and advanced glycation end-products (AGE) stimulated tubular epithelial mTEC cells in vitro. More importantly, we uncovered that preventive treatment with AANG effectively protected against diabetic-associated islet injury via restoring the β cell development in db/db mice. Taken together, we discovered that the early treatment with combined AANG can effectively protect against the development of T2D and T2DN via mechanism associated with protection against Smad3-depenedent islet injury.
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Affiliation(s)
- Jeff Yat-Fai Chung
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong.,Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong
| | - Patrick Ming-Kuen Tang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong.,Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong
| | - Max Kam-Kwan Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong
| | - Li Wang
- Research Center for Integrated Chinese and Western Medicine, and Department of Cardiology, The Second Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Ru Huang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong.,Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong
| | - Ronald Cw Ma
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong.,Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People's Hospital, Guangzhou, China
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12
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Jia P, Xu S, Ren T, Pan T, Wang X, Zhang Y, Zou Z, Guo M, Zeng Q, Shen B, Ding X. LncRNA IRAR regulates chemokines production in tubular epithelial cells thus promoting kidney ischemia-reperfusion injury. Cell Death Dis 2022; 13:562. [PMID: 35732633 PMCID: PMC9217935 DOI: 10.1038/s41419-022-05018-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 02/07/2023]
Abstract
Increasing evidence demonstrates that long noncoding RNAs (lncRNAs) play an important role in several pathogenic processes of the kidney. However, functions of lncRNAs in ischemic acute kidney injury (AKI) remain undefined. In this study, global lncRNA profiling indicated that many lncRNA transcripts were deregulated in kidney after ischemia reperfusion (IR). Among them, we identified IRAR (ischemia-reperfusion injury associated RNA) as a potential lncRNA candidate, which was mostly expressed by the tubular epithelial cells (TECs) after IR, involved in the development of AKI. GapmeR-mediated silencing and viral-based overexpression of IRAR were carried out to assess its function and contribution to IR-induced AKI. The results revealed that in vivo silencing of IRAR significantly reduced IR-induced proinflammatory cells infiltration and AKI. IRAR overexpression induced chemokine CCL2, CXCL1 and CXCL2 expression both in mRNA and protein levels in TECs, while, silencing of IRAR resulted in downregulation of these chemokines. RNA immunoprecipitation and RNA pulldown assay validated the association between IRAR and CCL2, CXCL1/2. Further examination revealed that specific ablation of CCL2 in TECs reduced macrophages infiltration and proinflammatory cytokine production, attenuated renal dysfunction in IR mice. Inhibition of CXC chemokine receptor 2 (receptor of CXCL1/2) reduced neutrofils infiltration, but had no overt effect on kidney function. To explore the mechanism of IRAR upregulation in kidney during IR, we analyzed promoter region of IRAR and predicted a potential binding site for transcription factor C/EBP β on IRAR promoter. Silencing of C/EBP β reduced IRAR expression in TECs. A dual-luciferase reporter assay and chromatin immunoprecipitation (ChIP) confirmed that IRAR was a transcriptional target of the C/EBP β. Altogether, our findings identify IRAR as a new player in the development of ischemic AKI through regulating chemokine production and immune cells infiltration, suggesting that IRAR is a potential target for prevention and/or attenuation of AKI.
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Affiliation(s)
- Ping Jia
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China ,Shanghai Medical Center of Kidney, Shanghai, China ,Kidney and Dialysis Institute of Shanghai, Shanghai, China ,Kidney and Blood Purification Laboratory of Shanghai, Shanghai, China
| | - Sujuan Xu
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ting Ren
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Tianyi Pan
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaoyan Wang
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yunlu Zhang
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhouping Zou
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Man Guo
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qi Zeng
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Bo Shen
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China ,Kidney and Dialysis Institute of Shanghai, Shanghai, China
| | - Xiaoqiang Ding
- grid.8547.e0000 0001 0125 2443Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China ,Shanghai Medical Center of Kidney, Shanghai, China ,Kidney and Dialysis Institute of Shanghai, Shanghai, China ,Kidney and Blood Purification Laboratory of Shanghai, Shanghai, China ,Hemodialysis quality control center of Shanghai, Shanghai, China
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13
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Tang PCT, Zhang YY, Li JSF, Chan MKK, Chen J, Tang Y, Zhou Y, Zhang D, Leung KT, To KF, Tang SCW, Lan HY, Tang PMK. LncRNA-Dependent Mechanisms of Transforming Growth Factor-β: From Tissue Fibrosis to Cancer Progression. Noncoding RNA 2022; 8:ncrna8030036. [PMID: 35736633 PMCID: PMC9227532 DOI: 10.3390/ncrna8030036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/19/2022] [Accepted: 05/21/2022] [Indexed: 11/16/2022] Open
Abstract
Transforming growth factor-β (TGF-β) is a crucial pathogenic mediator of inflammatory diseases. In tissue fibrosis, TGF-β regulates the pathogenic activity of infiltrated immunocytes and promotes extracellular matrix production via de novo myofibroblast generation and kidney cell activation. In cancer, TGF-β promotes cancer invasion and metastasis by enhancing the stemness and epithelial mesenchymal transition of cancer cells. However, TGF-β is highly pleiotropic in both tissue fibrosis and cancers, and thus, direct targeting of TGF-β may also block its protective anti-inflammatory and tumor-suppressive effects, resulting in undesirable outcomes. Increasing evidence suggests the involvement of long non-coding RNAs (lncRNAs) in TGF-β-driven tissue fibrosis and cancer progression with a high cell-type and disease specificity, serving as an ideal target for therapeutic development. In this review, the mechanism and translational potential of TGF-β-associated lncRNAs in tissue fibrosis and cancer will be discussed.
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Affiliation(s)
- Philip Chiu-Tsun Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong 999077, China; (P.C.-T.T.); (J.S.-F.L.); (M.K.-K.C.); (K.-F.T.)
| | - Ying-Ying Zhang
- Department of Nephrology, Tongji University School of Medicine, Shanghai 200065, China;
| | - Jane Siu-Fan Li
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong 999077, China; (P.C.-T.T.); (J.S.-F.L.); (M.K.-K.C.); (K.-F.T.)
| | - Max Kam-Kwan Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong 999077, China; (P.C.-T.T.); (J.S.-F.L.); (M.K.-K.C.); (K.-F.T.)
| | - Jiaoyi Chen
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong 999077, China; (J.C.); (S.C.-W.T.)
| | - Ying Tang
- Department of Nephrology, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510080, China;
| | - Yiming Zhou
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China;
| | - Dongmei Zhang
- College of Pharmacy, Jinan University, Guangzhou 510632, China;
| | - Kam-Tong Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong 999077, China;
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong 999077, China; (P.C.-T.T.); (J.S.-F.L.); (M.K.-K.C.); (K.-F.T.)
| | - Sydney Chi-Wai Tang
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong 999077, China; (J.C.); (S.C.-W.T.)
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong 999077, China;
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Hong Kong 999077, China; (P.C.-T.T.); (J.S.-F.L.); (M.K.-K.C.); (K.-F.T.)
- Correspondence:
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14
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Hu M, Ma Q, Liu B, Wang Q, Zhang T, Huang T, Lv Z. Long Non-Coding RNAs in the Pathogenesis of Diabetic Kidney Disease. Front Cell Dev Biol 2022; 10:845371. [PMID: 35517509 PMCID: PMC9065414 DOI: 10.3389/fcell.2022.845371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/08/2022] [Indexed: 01/09/2023] Open
Abstract
Diabetic kidney disease (DKD) is one of the major microvascular complications of diabetes mellitus, with relatively high morbidity and mortality globally but still in short therapeutic options. Over the decades, a large body of data has demonstrated that oxidative stress, inflammatory responses, and hemodynamic disorders might exert critical influence in the initiation and development of DKD, whereas the delicate pathogenesis of DKD remains profoundly elusive. Recently, long non-coding RNAs (lncRNAs), extensively studied in the field of cancer, are attracting increasing attentions on the development of diabetes mellitus and its complications including DKD, diabetic retinopathy, and diabetic cardiomyopathy. In this review, we chiefly focused on abnormal expression and function of lncRNAs in major resident cells (mesangial cell, endothelial cell, podocyte, and tubular epithelial cell) in the kidney, summarized the critical roles of lncRNAs in the pathogenesis of DKD, and elaborated their potential therapeutic significance, in order to advance our knowledge in this field, which might help in future research and clinical treatment for the disease.
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Affiliation(s)
- Mengsi Hu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiqi Ma
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Bing Liu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qianhui Wang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Tingwei Zhang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Tongtong Huang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhimei Lv
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
- *Correspondence: Zhimei Lv,
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15
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Yu XY, Sun Q, Zhang YM, Zou L, Zhao YY. TGF-β/Smad Signaling Pathway in Tubulointerstitial Fibrosis. Front Pharmacol 2022; 13:860588. [PMID: 35401211 PMCID: PMC8987592 DOI: 10.3389/fphar.2022.860588] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 02/28/2022] [Indexed: 12/22/2022] Open
Abstract
Chronic kidney disease (CKD) was a major public health problem worldwide. Renal fibrosis, especially tubulointerstitial fibrosis, is final manifestation of CKD. Many studies have demonstrated that TGF-β/Smad signaling pathway plays a crucial role in renal fibrosis. Therefore, targeted inhibition of TGF-β/Smad signaling pathway can be used as a potential therapeutic measure for tubulointerstitial fibrosis. At present, a variety of targeting TGF-β1 and its downstream Smad proteins have attracted attention. Natural products used as potential therapeutic strategies for tubulointerstitial fibrosis have the characteristics of acting on multiple targets by multiple components and few side effects. With the continuous research and technique development, more and more molecular mechanisms of natural products have been revealed, and there are many natural products that inhibited tubulointerstitial fibrosis via TGF-β/Smad signaling pathway. This review summarized the role of TGF-β/Smad signaling pathway in tubulointerstitial fibrosis and natural products against tubulointerstitial fibrosis by targeting TGF-β/Smad signaling pathway. Additionally, many challenges and opportunities are presented for inhibiting renal fibrosis in the future.
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Affiliation(s)
- Xiao-Yong Yu
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, Xi’an, China
- *Correspondence: Xiao-Yong Yu, ; Liang Zou, ; Ying-Yong Zhao,
| | - Qian Sun
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, Xi’an, China
| | - Ya-Mei Zhang
- Key Disciplines of Clinical Pharmacy, Clinical Genetics Laboratory, Affiliated Hospital and Clinical Medical College of Chengdu University, Chengdu, China
| | - Liang Zou
- School of Food and Bioengineering, Chengdu University, Chengdu, China
- *Correspondence: Xiao-Yong Yu, ; Liang Zou, ; Ying-Yong Zhao,
| | - Ying-Yong Zhao
- Key Disciplines of Clinical Pharmacy, Clinical Genetics Laboratory, Affiliated Hospital and Clinical Medical College of Chengdu University, Chengdu, China
- *Correspondence: Xiao-Yong Yu, ; Liang Zou, ; Ying-Yong Zhao,
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16
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Wang X, Zheng S, Yang F, Zhang W, Zhao D, Xue X, Lin Q, He Y, Hu G, Hu Y. lncRNA HITT inhibits metastasis by attenuating Rab5-mediated endocytosis in lung adenocarcinoma. Mol Ther 2022; 30:1071-1088. [PMID: 35017116 PMCID: PMC8899701 DOI: 10.1016/j.ymthe.2022.01.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 10/15/2021] [Accepted: 01/06/2022] [Indexed: 10/19/2022] Open
Abstract
Endocytosis of cell surface receptors is essential for cell migration and cancer metastasis. Rab5, a small GTPase of the Rab family, is a key regulator of endosome dynamics and thus cell migration. However, how its activity is regulated still remains to be addressed. Here, we identified a Rab5 inhibitor, a long non-coding RNA, namely HITT (HIF-1α inhibitor at translation level). Our data show that HITT expression is inversely associated with advanced stages and poor prognosis of lung adenocarcinoma patients with area under receiver operating characteristics (ROC) curve (AUC) 0.6473. Further study reveals that both endogenous and exogenous HITT inhibits single-cell migration by repressing β1 integrin endocytosis in lung adenocarcinoma. Mechanistically, HITT is physically associated with Rab5 at switch I via 1248-1347 nt and suppresses β1 integrin endocytosis and subsequent cancer metastasis by interfering with guanine nucleotide exchange factors (GEFs) for Rab5 binding. Collectively, these findings suggest that HITT directly participates in the regulation of Rab5 activity, leading to a decreased integrin internalization and cancer metastasis, which provides important insights into a mechanistic understanding of endocytosis and cancer metastasis.
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Affiliation(s)
- Xingwen Wang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Shanliang Zheng
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Fan Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Wenxin Zhang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Dong Zhao
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Xuting Xue
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Qingyu Lin
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China
| | - Yunfei He
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Science, 320 Yuyang Road, Shanghai 200031, China
| | - Guohong Hu
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Science, 320 Yuyang Road, Shanghai 200031, China
| | - Ying Hu
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang Province 150001, China; Shenzhen Graduate School of Harbin Institute of Technology, Shenzhen 518055, China.
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17
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Tang PMK, Chen H, Tang Y, Nikolic-Paterson DJ, Lan HY. Editorial: Immune Landscape of Kidney Pathology. Front Physiol 2022; 12:827537. [PMID: 35145431 PMCID: PMC8822390 DOI: 10.3389/fphys.2021.827537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 12/22/2021] [Indexed: 12/21/2022] Open
Affiliation(s)
- Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- *Correspondence: Patrick Ming-Kuen Tang
| | - Haiyong Chen
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Ying Tang
- Department of Nephrology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - David J. Nikolic-Paterson
- Department of Nephrology, Monash University, Clayton, VIC, Australia
- Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Hui Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Hui Yao Lan
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18
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Tang PC, Chung JY, Xue VW, Xiao J, Meng X, Huang X, Zhou S, Chan AS, Tsang AC, Cheng AS, Lee T, Leung K, Lam EW, To K, Tang PM, Lan H. Smad3 Promotes Cancer-Associated Fibroblasts Generation via Macrophage-Myofibroblast Transition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2101235. [PMID: 34791825 PMCID: PMC8728853 DOI: 10.1002/advs.202101235] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 09/24/2021] [Indexed: 05/11/2023]
Abstract
Cancer-associated fibroblasts (CAFs) are important in tumor microenvironment (TME) driven cancer progression. However, CAFs are heterogeneous and still largely underdefined, better understanding their origins will identify new therapeutic strategies for cancer. Here, the authors discovered a new role of macrophage-myofibroblast transition (MMT) in cancer for de novo generating protumoral CAFs by resolving the transcriptome dynamics of tumor-associated macrophages (TAM) with single-cell resolution. MMT cells (MMTs) are observed in non-small-cell lung carcinoma (NSCLC) associated with CAF abundance and patient mortality. By fate-mapping study, RNA velocity, and pseudotime analysis, existence of novel macrophage-lineage-derived CAF subset in the TME of Lewis lung carcinoma (LLC) model is confirmed, which is directly transited via MMT from M2-TAM in vivo and bone-marrow-derived macrophages (BMDM) in vitro. Adoptive transfer of BMDM-derived MMTs markedly promote CAF formation in LLC-bearing mice. Mechanistically, a Smad3-centric regulatory network is upregulated in the MMTs of NSCLC, where chromatin immunoprecipitation sequencing(ChIP-seq) detects a significant enrichment of Smad3 binding on fibroblast differentiation genes in the macrophage-lineage cells in LLC-tumor. More importantly, macrophage-specific deletion and pharmaceutical inhibition of Smad3 effectively block MMT, therefore, suppressing the CAF formation and cancer progression in vivo. Thus, MMT may represent a novel therapeutic target of CAF for cancer immunotherapy.
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Affiliation(s)
- Philip Chiu‐Tsun Tang
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongHong KongChina
- Department of Medicine and TherapeuticsLi Ka Shing Institute of Health SciencesThe Chinese University of Hong KongHong KongChina
| | - Jeff Yat‐Fai Chung
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongHong KongChina
| | - Vivian Wei‐wen Xue
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongHong KongChina
| | - Jun Xiao
- Department of Medicine and TherapeuticsLi Ka Shing Institute of Health SciencesThe Chinese University of Hong KongHong KongChina
| | | | - Xiao‐Ru Huang
- Department of Medicine and TherapeuticsLi Ka Shing Institute of Health SciencesThe Chinese University of Hong KongHong KongChina
- Guangdong‐Hong Kong Joint Laboratory on Immunological and Genetic Kidney DiseasesGuangdong Academy of Medical SciencesGuangdong Provincial People's HospitalGuangzhouChina
| | - Shuang Zhou
- Department of Histology and EmbryologyTongji University School of MedicineTongji University Cancer InstituteShanghaiChina
| | - Alex Siu‐Wing Chan
- Department of Applied Social SciencesThe Hong Kong Polytechnic UniversityKowloonHong KongChina
| | - Anna Chi‐Man Tsang
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongHong KongChina
| | | | - Tin‐Lap Lee
- ReproductionDevelopment and Endocrinology ProgramSchool of Biomedical SciencesThe Chinese University of Hong KongHong KongChina
| | - Kam‐Tong Leung
- Department of PaediatricsPrince of Wales HospitalThe Chinese University of Hong KongHong KongChina
| | - Eric W.‐F. Lam
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer Medicine, Sun Yat‐sen UniversityGuangzhouGuangdong510060China
| | - Ka‐Fai To
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongHong KongChina
| | - Patrick Ming‐Kuen Tang
- Department of Anatomical and Cellular PathologyState Key Laboratory of Translational OncologyThe Chinese University of Hong KongHong KongChina
| | - Hui‐Yao Lan
- Department of Medicine and TherapeuticsLi Ka Shing Institute of Health SciencesThe Chinese University of Hong KongHong KongChina
- The Chinese University of Hong Kong‐Guangdong Academy of Sciences/Guangdong Provincial People's Hospital Joint Research Laboratory on Immunological and Genetic Kidney DiseasesThe Chinese University of Hong KongHong KongChina
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19
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Wang W, Chen J, Hu D, Pan P, Liang L, Wu W, Tang Y, Huang XR, Yu X, Wu J, Lan HY. SARS-CoV-2 N Protein Induces Acute Kidney Injury via Smad3-Dependent G1 Cell Cycle Arrest Mechanism. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103248. [PMID: 34813685 PMCID: PMC8787402 DOI: 10.1002/advs.202103248] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 10/10/2021] [Indexed: 05/02/2023]
Abstract
COVID-19 is infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and can cause severe multiple organ injury and death. Kidney is one of major target organs of COVID-19 and acute kidney injury (AKI) is common in critically ill COVID-19 patients. However, mechanisms through which COVID-19 causes AKI remain largely unknown and treatment remains unspecific and ineffective. Here, the authors report that normal kidney-specifically overexpressing SARS-CoV-2 N develops AKI, which worsens in mice under ischemic condition. Mechanistically, it is uncovered that SARS-CoV-2 N-induced AKI is Smad3-dependent as SARS-CoV-2 N protein can interact with Smad3 and enhance TGF-β/Smad3 signaling to cause tubular epithelial cell death and AKI via the G1 cell cycle arrest mechanism. This is further confirmed in Smad3 knockout mice and cells in which deletion of Smad3 protects against SARS-CoV-2 N protein-induced cell death and AKI in vivo and in vitro. Most significantly, it is also found that targeting Smad3 with a Smad3 pharmacological inhibitor is able to inhibit SARS-CoV-2 N-induced AKI. In conclusion, the authors identify that SARS-CoV-2 N protein is a key mediator for AKI and induces AKI via the Smad3-dependent G1 cell cycle arrest mechanism. Targeting Smad3 may represent as a novel therapy for COVID-19-asscoaited AKI.
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Affiliation(s)
- Wenbiao Wang
- Departments of Medicine and TherapeuticsLi Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative MedicineThe Chinese University of Hong KongHong Kong999077China
- Guangdong Provincial Key Laboratory of VirologyInstitute of Medical MicrobiologyJinan UniversityGuangzhou510632China
- Guangdong‐Hong Kong Joint Laboratory for Immunological and Genetic Kidney DiseaseGuangdong Academy of Medical ScienceGuangdong Provincial People's HospitalGuangzhou510080China
- The Chinese University of Hong Kong‐Guangdong Academy of Sciences/Guangdong Provincial People's Hospital Joint Research Laboratory on Immunological and Genetic Kidney DiseasesThe Chinese University of Hong KongHong Kong999077China
| | - Junzhe Chen
- Departments of Medicine and TherapeuticsLi Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative MedicineThe Chinese University of Hong KongHong Kong999077China
- Department of NephrologyThe Third Affiliated HospitalSouthern Medical UniversityGuangzhou510080China
| | - Dingwen Hu
- State Key Laboratory of VirologyCollege of Life SciencesWuhan UniversityWuhan430072China
| | - Pan Pan
- Guangdong Provincial Key Laboratory of VirologyInstitute of Medical MicrobiologyJinan UniversityGuangzhou510632China
| | - Liying Liang
- Departments of Medicine and TherapeuticsLi Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative MedicineThe Chinese University of Hong KongHong Kong999077China
| | - Wenjing Wu
- Departments of Medicine and TherapeuticsLi Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative MedicineThe Chinese University of Hong KongHong Kong999077China
- Guangdong‐Hong Kong Joint Laboratory for Immunological and Genetic Kidney DiseaseGuangdong Academy of Medical ScienceGuangdong Provincial People's HospitalGuangzhou510080China
| | - Ying Tang
- Department of NephrologyThe Third Affiliated HospitalSouthern Medical UniversityGuangzhou510080China
| | - Xiao R. Huang
- Departments of Medicine and TherapeuticsLi Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative MedicineThe Chinese University of Hong KongHong Kong999077China
- Guangdong‐Hong Kong Joint Laboratory for Immunological and Genetic Kidney DiseaseGuangdong Academy of Medical ScienceGuangdong Provincial People's HospitalGuangzhou510080China
| | - Xueqing Yu
- Guangdong‐Hong Kong Joint Laboratory for Immunological and Genetic Kidney DiseaseGuangdong Academy of Medical ScienceGuangdong Provincial People's HospitalGuangzhou510080China
| | - Jianguo Wu
- Guangdong Provincial Key Laboratory of VirologyInstitute of Medical MicrobiologyJinan UniversityGuangzhou510632China
- State Key Laboratory of VirologyCollege of Life SciencesWuhan UniversityWuhan430072China
| | - Hui Y. Lan
- Departments of Medicine and TherapeuticsLi Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative MedicineThe Chinese University of Hong KongHong Kong999077China
- The Chinese University of Hong Kong‐Guangdong Academy of Sciences/Guangdong Provincial People's Hospital Joint Research Laboratory on Immunological and Genetic Kidney DiseasesThe Chinese University of Hong KongHong Kong999077China
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20
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Li J, Yang J, Zhu B, Fan J, Hu Q, Wang L. Tectorigenin protects against unilateral ureteral obstruction by inhibiting Smad3-mediated ferroptosis and fibrosis. Phytother Res 2021; 36:475-487. [PMID: 34964161 DOI: 10.1002/ptr.7353] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/09/2021] [Accepted: 11/27/2021] [Indexed: 12/20/2022]
Abstract
Renal tubular epithelial cell (TEC) injury and fibrosis are the key factors of the pathogenesis of chronic kidney disease. Here, we reported that tectorigenin is effectively protected against obstructive nephropathy established by unilateral ureteral obstruction (UUO). In vivo, tectorigenin administration significantly alleviated the deteriorations of renal functions including blood urea nitrogen and creatinine. Meanwhile, results from the histology suggested that renal injury characterized by tubular cell damage and fibrosis lesions of kidneys in UUO group were markedly attenuated following tectorigenin treatment. Mechanistically, we found that tectorigenin treatment greatly inhibited Smad3 phosphorylation, and the transcription and protein level of Nox4, a newly identified direct downstream molecule of Smad3 and a modulator of ferroptosis, while it indirectly restored the expression of glutathione peroxidase 4, a negative regulator of ferroptosis. Consistent with in vivo studies, treatment with tectorigenin also suppressed the ferroptosis induced by erastin/RSL3 and fibrosis stimulated by transforming growth factor β1 (TGF-β1) in primary renal TECs. What is more, treatment with ferroptosis inhibitor, ferrostatin-1, also impeded TGF-β1 stimulated the profibrotic effects in TECs, indicating that tectorigenin may relieve fibrosis by inhibiting ferroptosis in TECs. In addition, tectorigenin treatment exhibited a similar tendency, which inhibited Smad3 activation, and the docking analysis revealed that tectorigenin docked well into the Smad3 binding cavity with strong binding affinity (-7.9 kcal/mol). Thus, this study deciphers the protective effect of tectorigenin against obstructive nephropathy through inhibiting Smad3-mediated ferroptosis and fibrosis.
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Affiliation(s)
- Jianchun Li
- Research Center of Intergated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Jieke Yang
- Research Center of Intergated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Bingwen Zhu
- Research Center of Intergated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Junming Fan
- Research Center of Intergated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Chengdu Medical College, Chengdu, China
| | - Qiongdan Hu
- Department of Nephrology, The Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou, China
- Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Li Wang
- Research Center of Intergated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
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21
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Dong Y, Lyu L, Wen H, Shi B. Brain and Pituitary Transcriptome Analyses Reveal the Differential Regulation of Reproduction-Related LncRNAs and mRNAs in Cynoglossus semilaevis. Front Genet 2021; 12:802953. [PMID: 34956338 PMCID: PMC8696122 DOI: 10.3389/fgene.2021.802953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/22/2021] [Indexed: 11/13/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) have been identified to be involved in half-smooth tongue sole (Cynoglossus semilaevis) reproduction. However, studies of their roles in reproduction have focused mainly on the ovary, and their expression patterns and potential roles in the brain and pituitary are unclear. Thus, to explore the mRNAs and lncRNAs that are closely associated with reproduction in the brain and pituitary, we collected tongue sole brain and pituitary tissues at three stages for RNA sequencing (RNA-seq), the 5,135 and 5,630 differentially expressed (DE) mRNAs and 378 and 532 DE lncRNAs were identified in the brain and pituitary, respectively. The RNA-seq results were verified by RT-qPCR. Moreover, enrichment analyses were performed to analyze the functions of DE mRNAs and lncRNAs. Interestingly, their involvement in pathways related to metabolism, signal transduction and endocrine signaling was revealed. LncRNA-target gene interaction networks were constructed based on antisense, cis and trans regulatory mechanisms. Moreover, we constructed competing endogenous RNA (ceRNA) networks. In summary, this study provides mRNA and lncRNA expression profiles in the brain and pituitary to understand the molecular mechanisms regulating tongue sole reproduction.
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Affiliation(s)
- Yani Dong
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China.,Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Ocean Unversity of China, Qingdao, China
| | - Likang Lyu
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Ocean Unversity of China, Qingdao, China
| | - Haishen Wen
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Ocean Unversity of China, Qingdao, China
| | - Bao Shi
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China.,Laboratory for Marine Fisheries and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
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22
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Xue VW, Chung JYF, Tang PCT, Chan ASW, To THW, Chung JSY, Mussal F, Lam EWF, Li C, To KF, Leung KT, Lan HY, Tang PMK. USMB-shMincle: a virus-free gene therapy for blocking M1/M2 polarization of tumor-associated macrophages. MOLECULAR THERAPY-ONCOLYTICS 2021; 23:26-37. [PMID: 34589582 PMCID: PMC8463747 DOI: 10.1016/j.omto.2021.08.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/17/2021] [Indexed: 02/08/2023]
Abstract
Mincle is essential for tumor-associated macrophage (TAM)-driven cancer progression and represents a potential immunotherapeutic target for cancer. Nevertheless, the lack of a specific inhibitor has largely limited its clinical translation. Here, we successfully developed a gene therapeutic strategy for silencing Mincle in a virus-free and tumor-specific manner by combining RNA interference technology with an ultrasound-microbubble-mediated gene transfer system (USMB). We identified a small hairpin RNA (shRNA) sequence shMincle that can silence not only Mincle expression but also the protumoral effector production in mouse bone marrow- and human THP-1-derived macrophages in the cancer setting in vitro. By using our well-established USMB system (USMB-shMincle), the shMincle-expressing plasmids were delivered in a tissue-specific manner into xenografts of human lung carcinoma A549 and melanoma A375 in vivo. Encouragingly, we found that USMB-shMincle effectively inhibited the protumoral phenotypes of TAMs as well as the progression of both A549 and A375 xenografts in a dose-dependent manner in mice without significant side effects. Mechanistically, we identified that USMB-shMincle markedly enhanced the anticancer M1 phenotype of TAMs in the A549 and A375 xenografts by blocking the protumoral Mincle/Syk/nuclear factor κB (NF-κB) signaling axis. Thus, USMB-shMincle may represent a clinically translatable novel and safe gene therapeutic approach for cancer treatment.
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Affiliation(s)
- Vivian Weiwen Xue
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Jeff Yat-Fai Chung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Philip Chiu-Tsun Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Alex Siu-Wing Chan
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Shatin 999077, Hong Kong
| | - Travis Hoi-Wai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Justin Shing-Yin Chung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Francis Mussal
- Paediatric Oncology, Birmingham Children's Hospital, University of Birmingham, Birmingham B15 2TT, UK
| | - Eric W-F Lam
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong 510060, China
| | - Chunjie Li
- Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Kam-Tong Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin 999077, Hong Kong
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23
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Li B, Leung JC, Chan LY, Li HY, Yiu WH, Lok SW, Xue R, Zou YX, Chen W, Lai KN, Tang SC. Tubule-specific deletion of LincRNA-p21 ameliorates lipotoxic kidney injury. MOLECULAR THERAPY - NUCLEIC ACIDS 2021; 26:1280-1290. [PMID: 34853727 PMCID: PMC8609107 DOI: 10.1016/j.omtn.2021.10.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/03/2021] [Accepted: 10/28/2021] [Indexed: 11/28/2022]
Abstract
Lipotoxicity has been implicated in the pathogenesis of obesity-related kidney damage and propagates chronic kidney injury like diabetic kidney disease; however, the underlying mechanisms have not yet been fully elucidated. To date, reduction of lipid acquisition and enhancement of lipid metabolism are the major, albeit non-specific, approaches to improve lipotoxic kidney damage. In the kidneys of high-fat diet (HFD)-fed mice and tubule cells cultured with palmitic acid (PA), we observed a dramatic upregulation of the long intergenic non-coding RNA-p21 (LincRNA-p21) through a p53-dependent mechanism. Kidney tubule cell-specific deletion of LincRNA-p21 attenuated oxidative stress, inflammation, apoptosis, and endoplasmic reticulum stress, leading to reduction of histological and functional kidney injury despite persistent obesity and hyperlipidemia. Mechanistically, HFD- or PA-initiated lipotoxicity suppressed the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mechanistic target of rapamycin (mTOR)/murine double minute 2 homolog (MDM2) signaling cascade to activate p53 and enhance the transcriptional activity of LincRNA-p21. Collectively, our findings suggest that the p53/LincRNA-p21 axis is the downstream effector in lipotoxic kidney injury and that targeting this axis particularly in the kidney tubule could be a novel therapeutic strategy.
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Affiliation(s)
- Bin Li
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Joseph C.K. Leung
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Loretta Y.Y. Chan
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Hong-Yu Li
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Wai-Han Yiu
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Sarah W.Y. Lok
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Rui Xue
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Yi-Xin Zou
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Wei Chen
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Kar-Neng Lai
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Sydney C.W. Tang
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
- Corresponding author: Sydney C.W. Tang, Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China.
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24
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Zhang YY, Tan RZ, Yu Y, Niu YY, Yu C. LncRNA GAS5 protects against TGF-β-induced renal fibrosis via the Smad3/miRNA-142-5p axis. Am J Physiol Renal Physiol 2021; 321:F517-F526. [PMID: 34486400 DOI: 10.1152/ajprenal.00085.2021] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 08/31/2021] [Indexed: 12/23/2022] Open
Abstract
Increasing evidence shows that long noncoding RNAs (lncRNAs) play an important role in kidney disease. In this study, we investigated the role of the lncRNA growth arrest-specific 5 (GAS5) in the pathogenesis of renal fibrosis. We found that GAS5 was markedly decreased in the fibrotic kidney of a unilateral ureteral obstructive nephropathy mouse model. In addition, GAS5 was expressed in mouse tubular epithelial cells (mTECs) and interstitial fibroblasts in normal renal tissue and was especially highly expressed in the cytoplasm. In vitro experiments showed that GAS5 was downregulated by transforming growth factor-β1 (TGF-β1) in a dose- and time-dependent manner. Overexpression of GAS5 blocked TGF-β1-induced collagen type I and fibronectin expression and vice versa. Mechanistic experiments revealed that Smad3 but not Smad2 drove the regulation of GAS5. More importantly, GAS5 interacted with miR-142-5p and was involved in the renoprotective effect by participating in the competing endogenous RNA network. Finally, we also found that knockdown of GAS5 promoted TGF-β1-induced mouse tubular epithelial cell apoptosis via the Smad3 pathway. Taken together, our results uncovered a lncRNA/miRNA competing endogenous RNA network-based mechanism that modulates extracellular matrix formation and cell apoptosis via the Smad3 pathway.NEW & NOTEWORTHY In this work, we mainly discuss long noncoding RNA growth arrest-specific 5 (GAS5), acting in a renoprotective role via the Smad3/miRNA-142-5p axis, that modulates extracellular matrix formation and cell apoptosis. Overexpression of GAS5 effectively blocked renal fibrosis in vitro. This study reveals that GAS5 may represent as a novel and precision therapeutic target for alleviating renal fibrosis.
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Affiliation(s)
- Ying-Ying Zhang
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Rui-Zhi Tan
- Research Center of Combined Traditional Chinese and Western Medicine, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, People's Republic of China
| | - Ying Yu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Yang-Yang Niu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
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25
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Chung JYF, Chan MKK, Tang PCT, Chan ASW, Chung JSY, Meng XM, To KF, Lan HY, Leung KT, Tang PMK. AANG: A natural compound formula for overcoming multidrug resistance via synergistic rebalancing the TGF-β/Smad signalling in hepatocellular carcinoma. J Cell Mol Med 2021; 25:9805-9813. [PMID: 34514726 PMCID: PMC8505848 DOI: 10.1111/jcmm.16928] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/27/2021] [Accepted: 09/01/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer cells are high in heterogeneity and versatility, which can easily adapt to the external stresses via both primary and secondary resistance. Targeting of tumour microenvironment (TME) is a new approach and an ideal therapeutic strategy especially for the multidrug resistant cancer. Recently, we invented AANG, a natural compound formula containing traditional Chinese medicine (TCM) derived Smad3 inhibitor Naringenin (NG) and Smad7 activator Asiatic Acid (AA), for rebalancing TGF‐β/Smad signalling in the TME, and its implication on the multidrug resistance is still unexplored. Here, we observed that an equilibrium shift of the Smad signalling in patients with hepatocellular carcinoma (HCC), which was dramatically enhanced in the recurrent cases showing p‐glycoprotein overexpression. We optimized the formula ratio and dosage of AANG that effectively inhibit the proliferation of our unique human multidrug resistant subclone R‐HepG2. Mechanistically, we found that AANG not only inhibits Smad3 at post‐transcriptional level, but also upregulates Smad7 at transcriptional level in a synergistic manner in vitro. More importantly, AANG markedly suppressed the growth and p‐glycoprotein expression of R‐HepG2 xenografts in vivo. Thus, AANG may represent a novel and safe TCM‐derived natural compound formula for overcoming HCC with p‐glycoprotein‐mediated multidrug resistance.
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Affiliation(s)
- Jeff Yat-Fai Chung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Max Kam-Kwan Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Philip Chiu-Tsun Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Alex Siu-Wing Chan
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Justin Shing-Yin Chung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Xiao-Ming Meng
- School of Pharmacy, Anhui Medical University, Hefei, China
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Kam-Tong Leung
- Department of Paediatrics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, The Chinese University of Hong Kong, Shatin, Hong Kong
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26
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Yao W, Du X, Zhang J, Wang Y, Wang M, Pan Z, Li Q. SMAD4-induced knockdown of the antisense long noncoding RNA BRE-AS contributes to granulosa cell apoptosis. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 25:251-263. [PMID: 34458009 PMCID: PMC8368758 DOI: 10.1016/j.omtn.2021.05.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 05/07/2021] [Indexed: 12/25/2022]
Abstract
Antisense long noncoding RNAs (AS-lncRNAs), a sub-class of lncRNAs, are transcribed in the opposite direction from their overlapping protein-coding genes and are implicated in various physiological and pathological processes. However, their role in female reproduction remains largely unknown. Here, we report that BRE-AS, an AS-lncRNA transcript from intron 10 of the protein-coding gene BRE, is involved in granulosa cell (GC) apoptosis. Based on our previous RNA sequencing data, we identified 28 AS-lncRNAs as important in the initiation of porcine follicular atresia, with BRE-AS showing the most significant upregulation in early atretic follicles. In this study, gain- and loss-of-function assays demonstrated that BRE-AS induces early apoptosis in GCs. Mechanistically, BRE-AS acts in cis to suppress the expression of BRE, an anti-apoptotic factor, via direct interaction with the pre-mRNA transcript of the latter, inducing increased GC apoptosis. Notably, we also found that BRE-AS was upregulated in SMAD4-silenced GCs. SMAD4 was identified as a transcriptional repressor of BRE-AS because it inhibits BRE-AS expression and BRE-AS-mediated GC apoptosis. In conclusion, we not only identified a novel AS-lncRNA related to the early apoptosis of GCs and initiation of follicular atresia but also described a novel regulatory pathway, SMAD4/BRE-AS/BRE, coordinating GC function and female fertility.
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Affiliation(s)
- Wang Yao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Xing Du
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jinbi Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yang Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Miaomiao Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zengxiang Pan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Qifa Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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27
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Wang L, Wang HL, Liu TT, Lan HY. TGF-Beta as a Master Regulator of Diabetic Nephropathy. Int J Mol Sci 2021; 22:7881. [PMID: 34360646 PMCID: PMC8345981 DOI: 10.3390/ijms22157881] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/13/2021] [Accepted: 07/13/2021] [Indexed: 12/26/2022] Open
Abstract
Diabetic nephropathy (DN) is one of the most common complications in diabetes mellitus and the leading cause of end-stage renal disease. TGF-β is a pleiotropic cytokine and has been recognized as a key mediator of DN. However, anti-TGF-β treatment for DN remains controversial due to the diverse role of TGF-β1 in DN. Thus, understanding the regulatory role and mechanisms of TGF-β in the pathogenesis of DN is the initial step towards the development of anti-TGF-β treatment for DN. In this review, we first discuss the diverse roles and signaling mechanisms of TGF-β in DN by focusing on the latent versus active TGF-β1, the TGF-β receptors, and the downstream individual Smad signaling molecules including Smad2, Smad3, Smad4, and Smad7. Then, we dissect the regulatory mechanisms of TGF-β/Smad signaling in the development of DN by emphasizing Smad-dependent non-coding RNAs including microRNAs and long-non-coding RNAs. Finally, the potential therapeutic strategies for DN by targeting TGF-β signaling with various therapeutic approaches are discussed.
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Affiliation(s)
- Li Wang
- Research Center for Integrative Medicine, Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou 646000, China; (L.W.); (H.-L.W.); (T.-T.L.)
| | - Hong-Lian Wang
- Research Center for Integrative Medicine, Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou 646000, China; (L.W.); (H.-L.W.); (T.-T.L.)
| | - Tong-Tong Liu
- Research Center for Integrative Medicine, Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou 646000, China; (L.W.); (H.-L.W.); (T.-T.L.)
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, and Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong 999077, China
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Tanwar VS, Reddy MA, Natarajan R. Emerging Role of Long Non-Coding RNAs in Diabetic Vascular Complications. Front Endocrinol (Lausanne) 2021; 12:665811. [PMID: 34234740 PMCID: PMC8255808 DOI: 10.3389/fendo.2021.665811] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 06/01/2021] [Indexed: 12/18/2022] Open
Abstract
Chronic metabolic disorders such as obesity and diabetes are associated with accelerated rates of macrovascular and microvascular complications, which are leading causes of morbidity and mortality worldwide. Further understanding of the underlying molecular mechanisms can aid in the development of novel drug targets and therapies to manage these disorders more effectively. Long non-coding RNAs (lncRNAs) that do not have protein-coding potential are expressed in a tissue- and species-specific manner and regulate diverse biological processes. LncRNAs regulate gene expression in cis or in trans through various mechanisms, including interaction with chromatin-modifying proteins and other regulatory proteins and via posttranscriptional mechanisms, including acting as microRNA sponges or as host genes of microRNAs. Emerging evidence suggests that major pathological factors associated with diabetes such as high glucose, free fatty acids, proinflammatory cytokines, and growth factors can dysregulate lncRNAs in inflammatory, cardiac, vascular, and renal cells leading to altered expression of key inflammatory genes and fibrotic genes associated with diabetic vascular complications. Here we review recent reports on lncRNA characterization, functions, and mechanisms of action in diabetic vascular complications and translational approaches to target them. These advances can provide new insights into the lncRNA-dependent actions and mechanisms underlying diabetic vascular complications and uncover novel lncRNA-based biomarkers and therapies to reduce disease burden and mortality.
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Affiliation(s)
| | | | - Rama Natarajan
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, CA, United States
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29
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Ying C, Dai J, Fan G, Zhou Z, Gan T, Zhang Y, Song Y, Zhou X. Ras-Related C3 Botulinum Toxin Substrate 1 Combining With the Mixed Lineage Kinase 3- Mitogen-Activated Protein Kinase 7- c-Jun N-Terminal Kinase Signaling Module Accelerates Diabetic Nephropathy. Front Physiol 2021; 12:679166. [PMID: 34194338 PMCID: PMC8236718 DOI: 10.3389/fphys.2021.679166] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/04/2021] [Indexed: 12/12/2022] Open
Abstract
Ras-related C3 botulinum toxin substrate 1 (RAC1) activation plays a vital role in diabetic nephropathy (DN), but the exact mechanism remains unclear. In this study, we attempted to elucidate the precise mechanism of how RAC1 aggravates DN through cellular and animal experiments. In this study, DN was induced in mice by intraperitoneal injection of streptozotocin (STZ, 150mg/kg), and the RAC1 inhibitor NSC23766 was administered by tail vein injection. Biochemical indicators, cell proliferation and apoptosis, and morphological changes in the kidney were detected. The expression of phosphorylated c-Jun N-terminal kinase (p-JNK), nuclear factor-κB (NF-κB), and cleaved caspase-3 and the interaction between RAC1 and the mixed lineage kinase 3 (MLK3)-mitogen-activated protein kinase 7 (MKK7)-JNK signaling module were determined. Furthermore, the colocalization and direct co-interaction of RAC1 and MLK3 were confirmed. Our results showed that RAC1 accelerates renal damage and increases the expression of p-JNK, NF-κB, and cleaved caspase-3. However, inhibition of RAC1 ameliorated DN by downregulating p-JNK, NF-κB, and cleaved caspase-3. Also, RAC1 promoted the assembly of MLK3-MKK7-JNK, and NSC23766 blocked the interaction between RAC1 and MLK3-MKK7-JNK and inhibited the assembly of the MLK3-MKK7-JNK signaling module. Furthermore, RAC1 was combined with MLK3 directly, but the RAC1 Y40C mutant inhibited the interaction between RAC1 and MLK3. We demonstrated that RAC1 combining with MLK3 activates the MLK3-MKK7-JNK signaling module, accelerating DN occurrence and development, and RAC1 Y40 is an important site for binding of RAC1 to MLK3. This study illustrates the cellular and molecular mechanisms of how RAC1 accelerates DN and provides evidence of DN-targeted therapy.
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Affiliation(s)
- Changjiang Ying
- Department of Endocrinology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Jiao Dai
- The Graduate School, Xuzhou Medical University, Xuzhou, China
| | - Gaoxia Fan
- The Graduate School, Xuzhou Medical University, Xuzhou, China
| | - Zhongyuan Zhou
- The Graduate School, Xuzhou Medical University, Xuzhou, China
| | - Tian Gan
- Department of Endocrinology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yusheng Zhang
- The Graduate School, Xuzhou Medical University, Xuzhou, China
| | - Yuanjian Song
- Department of Genetics, School of Life Sciences, Xuzhou Medical University, Xuzhou, China
| | - Xiaoyan Zhou
- Department of Genetics, School of Life Sciences, Xuzhou Medical University, Xuzhou, China
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30
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Gu YY, Dou JY, Huang XR, Liu XS, Lan HY. Transforming Growth Factor-β and Long Non-coding RNA in Renal Inflammation and Fibrosis. Front Physiol 2021; 12:684236. [PMID: 34054586 PMCID: PMC8155637 DOI: 10.3389/fphys.2021.684236] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 04/06/2021] [Indexed: 12/17/2022] Open
Abstract
Renal fibrosis is one of the most characterized pathological features in chronic kidney disease (CKD). Progressive fibrosis eventually leads to renal failure, leaving dialysis or allograft transplantation the only clinical option for CKD patients. Transforming growth factor-β (TGF-β) is the key mediator in renal fibrosis and is an essential regulator for renal inflammation. Therefore, the general blockade of the pro-fibrotic TGF-β may reduce fibrosis but may risk promoting renal inflammation and other side effects due to the diverse role of TGF-β in kidney diseases. Long non-coding RNAs (lncRNAs) are RNA transcripts with more than 200 nucleotides and have been regarded as promising therapeutic targets for many diseases. This review focuses on the importance of TGF-β and lncRNAs in renal inflammation, fibrogenesis, and the potential applications of TGF-β and lncRNAs as the therapeutic targets and biomarkers in renal fibrosis and CKD are highlighted.
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Affiliation(s)
- Yue-Yu Gu
- Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China.,Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Jing-Yun Dou
- Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China.,Department of Nephrology, Weihai Hospital of Traditional Chinese Medicine, Weihai, China
| | - Xiao-Ru Huang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China.,Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, Guangdong Academy of Medical Sciences, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Xu-Sheng Liu
- Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China.,Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, The Chinese University of Hong Kong, Hong Kong, China
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31
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Shao BY, Zhang SF, Li HD, Meng XM, Chen HY. Epigenetics and Inflammation in Diabetic Nephropathy. Front Physiol 2021; 12:649587. [PMID: 34025445 PMCID: PMC8131683 DOI: 10.3389/fphys.2021.649587] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/12/2021] [Indexed: 12/11/2022] Open
Abstract
Diabetic nephropathy (DN) leads to high morbidity and disability. Inflammation plays a critical role in the pathogenesis of DN, which involves renal cells and immune cells, the microenvironment, as well as extrinsic factors, such as hyperglycemia, chemokines, cytokines, and growth factors. Epigenetic modifications usually regulate gene expression via DNA methylation, histone modification, and non-coding RNAs without altering the DNA sequence. During the past years, numerous studies have been published to reveal the mechanisms of epigenetic modifications that regulate inflammation in DN. This review aimed to summarize the latest evidence on the interplay of epigenetics and inflammation in DN, and highlight the potential targets for treatment and diagnosis of DN.
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Affiliation(s)
- Bao-Yi Shao
- Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Shao-Fei Zhang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Hai-Di Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Xiao-Ming Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Hai-Yong Chen
- School of Chinese Medicine, The University of Hong Kong, Hong Kong, China
- Department of Chinese Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
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32
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Coellar JD, Long J, Danesh FR. Long Noncoding RNAs and Their Therapeutic Promise in Diabetic Nephropathy. Nephron Clin Pract 2021; 145:404-414. [PMID: 33853077 PMCID: PMC8266727 DOI: 10.1159/000515422] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/19/2021] [Indexed: 12/21/2022] Open
Abstract
Recent advances in large-scale RNA sequencing and genome-wide profiling projects have unraveled a heterogeneous group of RNAs, collectively known as long noncoding RNAs (lncRNAs), which play central roles in many diverse biological processes. Importantly, an association between aberrant expression of lncRNAs and diverse human pathologies has been reported, including in a variety of kidney diseases. These observations have raised the possibility that lncRNAs may represent unexploited potential therapeutic targets for kidney diseases. Several important questions regarding the functionality of lncRNAs and their impact in kidney diseases, however, remain to be carefully addressed. Here, we provide an overview of the main functions and mechanisms of actions of lncRNAs, and their promise as therapeutic targets in kidney diseases, emphasizing on the role of some of the best-characterized lncRNAs implicated in the pathogenesis and progression of diabetic nephropathy.
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Affiliation(s)
- Juan D. Coellar
- Section of Nephrology, Division of Internal Medicine, The University of Texas at MD Anderson Cancer Center, Houston, TX 77030
| | - Jianyin Long
- Department of Pharmacology & Chemical Biology, Baylor College of Medicine, Houston, TX 77030
| | - Farhad R. Danesh
- Section of Nephrology, Division of Internal Medicine, The University of Texas at MD Anderson Cancer Center, Houston, TX 77030
- Department of Pharmacology & Chemical Biology, Baylor College of Medicine, Houston, TX 77030
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33
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Chen J, Wang W, Tang Y, Huang XR, Yu X, Lan HY. Inflammatory stress in SARS-COV-2 associated Acute Kidney Injury. Int J Biol Sci 2021; 17:1497-1506. [PMID: 33907513 PMCID: PMC8071761 DOI: 10.7150/ijbs.58791] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/01/2021] [Indexed: 01/08/2023] Open
Abstract
Increasing clinical evidence shows that acute kidney injury (AKI) is a common and severe complication in critically ill COVID-19 patients. The older age, the severity of COVID-19 infection, the ethnicity, and the history of smoking, diabetes, hypertension, and cardiovascular disease are the risk factor for AKI in COVID-19 patients. Of them, inflammation may be a key player in the pathogenesis of AKI in patients with COVID-19. It is highly possible that SARS-COV-2 infection may trigger the activation of multiple inflammatory pathways including angiotensin II, cytokine storm such as interleukin-6 (IL-6), C-reactive protein (CRP), TGF-β signaling, complement activation, and lung-kidney crosstalk to cause AKI. Thus, treatments by targeting these inflammatory molecules and pathways with a monoclonal antibody against IL-6 (Tocilizumab), C3 inhibitor AMY-101, anti-C5 antibody, anti-TGF-β OT-101, and the use of CRRT in critically ill patients may represent as novel and specific therapies for AKI in COVID-19 patients.
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Affiliation(s)
- Junzhe Chen
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Department of Nephrology, The Third Affiliated hospital, Southern Medical university, Guangzhou, China
| | - Wenbiao Wang
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Ying Tang
- Department of Nephrology, The Third Affiliated hospital, Southern Medical university, Guangzhou, China
| | - Xiao-ru Huang
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, Guangdong Academy of Medical Science, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Xueqing Yu
- Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, Guangdong Academy of Medical Science, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Hui-Yao Lan
- Departments of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong-Hong Kong Joint Laboratory for Immunity and Genetics of Chronic Kidney Disease, The Chinese University of Hong Kong, Hong Kong, China
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34
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RNA-Seq analysis reveals critical transcriptome changes caused by sodium butyrate in DN mouse models. Biosci Rep 2021; 41:228173. [PMID: 33779731 PMCID: PMC8035627 DOI: 10.1042/bsr20203005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 03/09/2021] [Accepted: 03/25/2021] [Indexed: 12/11/2022] Open
Abstract
Diabetic nephropathy (DN)—a common complication of diabetes—is the primary cause of end-stage renal disease. Sodium butyrate (NaB) is a short-chain fatty acid (SCFA) that is a metabolic product of intestinal bacterium, and its protective effect on the kidney has been reported in cases of DN. However, its underlying mechanism remains unclear. The aim of the present study was to investigate the effect of NaB on globe transcriptome changes in DN. In our study, 8-week-old male db/db mice suffering from DN were randomly divided into two groups: the DN+NaB group (DN mice treated with NaB, 5 g/kg/day) and the DN group (DN mice treated with saline). Further, normal db/m mice were used as the normal control (NC) group. The blood glucose, body weight, urinary microalbumin and urinary creatinine of mice were measured for all three groups. Whole-transcriptome analysis was performed by RNA sequencing (RNA-Seq) to evaluate the profiling of long non-coding RNAs (lncRNAs) and messenger RNAs (mRNAs). Bioinformatics analysis was performed to predict the potential NaB-related lncRNAs and genes in DN. The expressions of lncRNAs and mRNAs were tested using the quantitative real-time polymerase chain reactions (qRT-PCRs) in renal tissues and mesangial cells treated with NaB. The results of the present study demonstrated that NaB ameliorated renal dysfunction in DN mice. Moreover, RNA-Seq results identified that some lncRNAs and mRNAs were reversely changed in the DN+NaB group in comparison to those in the DN group. Additionally, the integrated co-expression networks of NaB-related lncRNAs revealed that these lncRNAs interacted with 155 key mRNAs. Furthermore, the co-expression network of inflammation-related lncRNAs and mRNAs demonstrated that those reversed lncRNAs and mRNAs also play essential roles in the inflammatory response. In summary, the present study suggests that NaB ameliorates diabetes-induced renal dysfunction and regulates transcriptome changes in DN.
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35
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Tang PCT, Chan ASW, Zhang CB, García Córdoba CA, Zhang YY, To KF, Leung KT, Lan HY, Tang PMK. TGF-β1 Signaling: Immune Dynamics of Chronic Kidney Diseases. Front Med (Lausanne) 2021; 8:628519. [PMID: 33718407 PMCID: PMC7948440 DOI: 10.3389/fmed.2021.628519] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/21/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic kidney disease (CKD) is a major cause of morbidity and mortality worldwide, imposing a great burden on the healthcare system. Regrettably, effective CKD therapeutic strategies are yet available due to their elusive pathogenic mechanisms. CKD is featured by progressive inflammation and fibrosis associated with immune cell dysfunction, leading to the formation of an inflammatory microenvironment, which ultimately exacerbating renal fibrosis. Transforming growth factor β1 (TGF-β1) is an indispensable immunoregulator promoting CKD progression by controlling the activation, proliferation, and apoptosis of immunocytes via both canonical and non-canonical pathways. More importantly, recent studies have uncovered a new mechanism of TGF-β1 for de novo generation of myofibroblast via macrophage-myofibroblast transition (MMT). This review will update the versatile roles of TGF-β signaling in the dynamics of renal immunity, a better understanding may facilitate the discovery of novel therapeutic strategies against CKD.
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Affiliation(s)
- Philip Chiu-Tsun Tang
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Alex Siu-Wing Chan
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Cai-Bin Zhang
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Cristina Alexandra García Córdoba
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Ying-Ying Zhang
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ka-Fai To
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Kam-Tong Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong.,Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Patrick Ming-Kuen Tang
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
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36
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Peng F, Gong W, Li S, Yin B, Zhao C, Liu W, Chen X, Luo C, Huang Q, Chen T, Sun L, Fang S, Zhou W, Li Z, Long H. circRNA_010383 Acts as a Sponge for miR-135a, and Its Downregulated Expression Contributes to Renal Fibrosis in Diabetic Nephropathy. Diabetes 2021; 70:603-615. [PMID: 33472945 DOI: 10.2337/db20-0203] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 11/02/2020] [Indexed: 11/13/2022]
Abstract
Diabetic nephropathy (DN), a vascular complication of diabetes, is the leading cause of death in patients with diabetes. The contribution of aberrantly expressed circular RNAs (circRNAs) to DN in vivo is poorly understood. Integrated comparative circRNA microarray profiling was used to examine the expression of circRNAs in diabetic kidney of db/db mice. We found that circRNA_010383 expression was markedly downregulated in diabetic kidneys, mesangial cells, and tubular epithelial cells cultured in high-glucose conditions. circRNA_010383 colocalized with miRNA-135a (miR-135a) and inhibited miR-135a function by directly binding to miR-135a. In vitro, the knockdown of circRNA_010383 promoted the accumulation of extracellular matrix (ECM) proteins and downregulated the expression of transient receptor potential cation channel, subfamily C, member 1 (TRPC1), which is a target protein of miR-135a. Furthermore, circRNA_010383 overexpression effectively inhibited the high-glucose-induced accumulation of ECM and increased TRPC1 levels in vitro. More importantly, the kidney target of circRNA_010383 overexpression inhibited proteinuria and renal fibrosis in db/db mice. Mechanistically, we identified that a loss of circRNA_010383 promoted proteinuria and renal fibrosis in DN by acting as a sponge for miR-135a. This study reveals that circRNA_010383 may be a novel therapeutic target for DN in the future.
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Affiliation(s)
- Fenfen Peng
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Wangqiu Gong
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Shuting Li
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Bohui Yin
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Chen Zhao
- Department of Nephrology, The First Affiliated Hospital of University of Science and Technology of China, Hefei, China
| | - Wenting Liu
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaowen Chen
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Congwei Luo
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Qianying Huang
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Ting Chen
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Lingzhi Sun
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Shun Fang
- Department of Pathology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Weidong Zhou
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Zhijian Li
- Department of Nephrology, The First Affiliated Hospital Sun Yat-Sen University, Guangzhou, China
| | - Haibo Long
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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37
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Salidroside from Rhodiola rosea L. attenuates diabetic nephropathy in STZ induced diabetic rats via anti-oxidative stress, anti-inflammation, and inhibiting TGF-β1/Smad pathway. J Funct Foods 2021. [DOI: 10.1016/j.jff.2020.104329] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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38
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Gu YY, Lu FH, Huang XR, Zhang L, Mao W, Yu XQ, Liu XS, Lan HY. Non-Coding RNAs as Biomarkers and Therapeutic Targets for Diabetic Kidney Disease. Front Pharmacol 2021; 11:583528. [PMID: 33574750 PMCID: PMC7870688 DOI: 10.3389/fphar.2020.583528] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/14/2020] [Indexed: 12/20/2022] Open
Abstract
Diabetic kidney disease (DKD) is the most common diabetic complication and is a leading cause of end-stage kidney disease. Increasing evidence shows that DKD is regulated not only by many classical signaling pathways but also by epigenetic mechanisms involving chromatin histone modifications, DNA methylation, and non-coding RNA (ncRNAs). In this review, we focus on our current understanding of the role and mechanisms of ncRNAs, including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) in the pathogenesis of DKD. Of them, the regulatory role of TGF-β/Smad3-dependent miRNAs and lncRNAs in DKD is highlighted. Importantly, miRNAs and lncRNAs as biomarkers and therapeutic targets for DKD are also described, and the perspective of ncRNAs as a novel therapeutic approach for combating diabetic nephropathy is also discussed.
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Affiliation(s)
- Yue-Yu Gu
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Fu-Hua Lu
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Ru Huang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People’s Hospital, Guangzhou, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Hong Kong, China
| | - Lei Zhang
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei Mao
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xue-Qing Yu
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People’s Hospital, Guangzhou, China
| | - Xu-Sheng Liu
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People’s Hospital, Guangzhou, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Hong Kong, China
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39
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Guiteras J, De Ramon L, Crespo E, Bolaños N, Barcelo-Batllori S, Martinez-Valenzuela L, Fontova P, Jarque M, Torija A, Bestard O, Resina D, Grinyó JM, Torras J. Dual and Opposite Costimulatory Targeting with a Novel Human Fusion Recombinant Protein Effectively Prevents Renal Warm Ischemia Reperfusion Injury and Allograft Rejection in Murine Models. Int J Mol Sci 2021; 22:ijms22031216. [PMID: 33530581 PMCID: PMC7865252 DOI: 10.3390/ijms22031216] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/18/2021] [Accepted: 01/20/2021] [Indexed: 12/20/2022] Open
Abstract
Many studies have shown both the CD28-D80/86 costimulatory pathway and the PD-1-PD-L1/L2 coinhibitory pathway to be important signals in modulating or decreasing the inflammatory profile in ischemia-reperfusion injury (IRI) or in a solid organ transplant setting. The importance of these two opposing pathways and their potential synergistic effect led our group to design a human fusion recombinant protein with CTLA4 and PD-L2 domains named HYBRI. The objective of our study was to determine the HYBRI binding to the postulated ligands of CTLA4 (CD80) and PD-L2 (PD-1) using the Surface Plasmon Resonance technique and to evaluate the in vivo HYBRI effects on two representative kidney inflammatory models-rat renal IRI and allogeneic kidney transplant. The Surface Plasmon Resonance assay demonstrated the avidity and binding of HYBRI to its targets. HYBRI treatment in the models exerted a high functional and morphological improvement. HYBRI produced a significant amelioration of renal function on day one and two after bilateral warm ischemia and on days seven and nine after transplant, clearly prolonging the animal survival in a life-sustaining renal allograft model. In both models, a significant reduction in histological damage and CD3 and CD68 infiltrating cells was observed. HYBRI decreased the circulating inflammatory cytokines and enriched the FoxP3 peripheral circulating, apart from reducing renal inflammation. In conclusion, the dual and opposite costimulatory targeting with that novel protein offers a good microenvironment profile to protect the ischemic process in the kidney and to prevent the kidney rejection, increasing the animal's chances of survival. HYBRI largely prevents the progression of inflammation in these rat models.
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Affiliation(s)
- Jordi Guiteras
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
- Fundació Bosch i Gimpera, University of Barcelona, 08028 Barcelona, Spain
| | - Laura De Ramon
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
| | - Elena Crespo
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
| | - Nuria Bolaños
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
| | - Silvia Barcelo-Batllori
- Molecular Interactions Unit, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL) Scientific-Technical Services, L’Hospitalet de Llobregat, 08907 Barcelona, Spain;
| | - Laura Martinez-Valenzuela
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
- Nephrology Department, Bellvitge University Hospital, L’Hospitalet de Llobregat, 08907 Barcelona, Spain;
| | - Pere Fontova
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
| | - Marta Jarque
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
| | - Alba Torija
- Experimental Nephrology Laboratory, Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, 08907 Barcelona, Spain; (J.G.); (L.D.R.); (E.C.); (N.B.); (L.M.-V.); (P.F.); (M.J.); (A.T.)
| | - Oriol Bestard
- Nephrology Department, Bellvitge University Hospital, L’Hospitalet de Llobregat, 08907 Barcelona, Spain;
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, L’Hospitalet de Llobregat, 08907 Barcelona, Spain
| | - David Resina
- Bioingenium S.L., Barcelona Science Park, 08028 Barcelona, Spain;
| | - Josep M Grinyó
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, L’Hospitalet de Llobregat, 08907 Barcelona, Spain
- Correspondence: (J.M.G.); (J.T.)
| | - Joan Torras
- Nephrology Department, Bellvitge University Hospital, L’Hospitalet de Llobregat, 08907 Barcelona, Spain;
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, L’Hospitalet de Llobregat, 08907 Barcelona, Spain
- Correspondence: (J.M.G.); (J.T.)
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Sheng J, Wang L, Tang PMK, Wang HL, Li JC, Xu BH, Xue VW, Tan RZ, Jin N, Chan TF, Huang XR, Ma RCW, Lan HY. Smad3 deficiency promotes beta cell proliferation and function in db/db mice via restoring Pax6 expression. Theranostics 2021; 11:2845-2859. [PMID: 33456576 PMCID: PMC7806493 DOI: 10.7150/thno.51857] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 12/11/2020] [Indexed: 12/18/2022] Open
Abstract
Rationale: Transforming Growth Factor-beta (TGF-β) /Smad3 signaling has been shown to play important roles in fibrotic and inflammatory diseases, but its role in beta cell function and type 2 diabetes is unknown. Methods: The role of Smad3 in beta cell function under type 2 diabetes condition was investigated by genetically deleting Smad3 from db/db mice. Phenotypic changes of pancreatic islets and beta cell function were compared between Smad3 knockout db/db (Smad3KO-db/db) mice and Smad3 wild-type db/db (Smad3WT-db/db) mice, and other littermate controls. Islet-specific RNA-sequencing was performed to identify Smad3-dependent differentially expressed genes associated with type 2 diabetes. In vitro beta cell proliferation assay and insulin secretion assay were carried out to validate the mechanism by which Smad3 regulates beta cell proliferation and function. Results: The results showed that Smad3 deficiency completely protected against diabetes-associated beta cell loss and dysfunction in db/db mice. By islet-specific RNA-sequencing, we identified 8160 Smad3-dependent differentially expressed genes associated with type 2 diabetes, where Smad3 deficiency markedly prevented the down-regulation of those genes. Mechanistically, Smad3 deficiency preserved the expression of beta cell development mediator Pax6 in islet, thereby enhancing beta cell proliferation and function in db/db mice in vivo and in Min6 cells in vitro. Conclusions: Taken together, we discovered a pathogenic role of Smad3 in beta cell loss and dysfunction via targeting the protective Pax6. Thus, Smad3 may represent as a novel therapeutic target for type 2 diabetes prevention and treatment.
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Yang H, Wang J, Zhang Z, Peng R, Lv D, Liu H, Sun Y. Sp1-Induced lncRNA Rmrp Promotes Mesangial Cell Proliferation and Fibrosis in Diabetic Nephropathy by Modulating the miR-1a-3p/JunD Pathway. Front Endocrinol (Lausanne) 2021; 12:690784. [PMID: 34512545 PMCID: PMC8429906 DOI: 10.3389/fendo.2021.690784] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 08/06/2021] [Indexed: 12/29/2022] Open
Abstract
Diabetic nephropathy (DN) is a serious complication of diabetes mellitus. Long non-coding RNAs (lncRNAs) are regulators in DN progression. However, the regulatory mechanisms of multiple lncRNAs in DN remain to be determined. Our aim was to investigate the function and molecular mechanism of lncRNA RNA component of mitochondrial RNAase P (Rmrp) in DN. Here, we observed that the expression of Rmrp was up-regulated in the kidney of db/db DN mice and high glucose induced glomerular mesangial cells (MC). More importantly, the abnormal transcription of Rmrp was induced by nuclear transcription factor Sp1, which promotes the proliferation and production of fibrotic markers in MC. Subsequently, we screened the miRNAs related to Rmrp and found that Rmrp and miR-1a-3p are co-localized at the subcellular level of MC, and Rmrp could directly binds to miR-1a-3p. Further mechanism research demonstrated that the elevated miR-1a-3p significantly attenuated the proliferation and fibrosis-promoting effects induced by up-regulation of Rmrp. At the same time, we also investigated that miR-1a-3p can directly bind to Jun D proto-oncogene (JunD), thereby regulating the protein level of JunD. Rmrp-induced proliferation and fibrogenesis were reversed by co-transfection with JunD siRNA. In summary, Sp1 induced lncRNA Rmrp could drive the expression of JunD via sponging miR-1a-3p in DN progression.
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Affiliation(s)
- Hansen Yang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Jia Wang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Zheng Zhang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Rui Peng
- Department of Bioinformatics, Chongqing Medical University, Chongqing, China
| | - Dan Lv
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Handeng Liu
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Yan Sun
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
- *Correspondence: Yan Sun,
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Huang L, Hu X. Molecular Mechanisms and Functions of lncRNAs in the Inflammatory Reaction of Diabetes Mellitus. Int J Endocrinol 2021; 2021:2550399. [PMID: 34712322 PMCID: PMC8548175 DOI: 10.1155/2021/2550399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/08/2021] [Indexed: 12/28/2022] Open
Abstract
Diabetes is a chronic inflammatory state, and several studies have shown that the mechanisms of insulin resistance and abnormal islet β-cell function in diabetes are closely related to inflammatory reactions. Inflammation plays a critical role in diabetic complications. Long noncoding RNAs (lncRNAs), a new area of genomic research for gene regulation, have complex biological functions in various aspects of cellular biological activity. Recent studies have shown that lncRNAs are associated with the regulation of inflammatory responses in various ways, including at the epigenetic, transcriptional, and posttranscriptional levels. This paper presents a brief review of studies on the mechanisms of lncRNAs in diabetic inflammation. The purpose of this article is to determine the role of lncRNAs in the process of diabetic inflammation and to provide new strategies for the use of lncRNAs in the treatments for diabetic inflammation.
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Affiliation(s)
- Linjuan Huang
- Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - Xiaolei Hu
- Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
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Chang L, Wang Q, Ju J, Li Y, Cai Q, Hao L, Zhou Y. Magnoflorine Ameliorates Inflammation and Fibrosis in Rats With Diabetic Nephropathy by Mediating the Stability of Lysine-Specific Demethylase 3A. Front Physiol 2020; 11:580406. [PMID: 33414721 PMCID: PMC7785030 DOI: 10.3389/fphys.2020.580406] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022] Open
Abstract
Diabetic nephropathy (DN) represents one of the most devastating complications for patients with diabetes. The anti-diabetic activities of Magnoflorine (MF) were reported, with underlying mechanism unknown. Lysine-specific demethylase 3A (KDM3A) was identified in the renal injuries. In the current study, we investigated the functional role of MF in DN progression with the involvement of KDM3A. We reported that in the animal model of DN induced by streptozotocin (STZ) injection, MF attenuated inflammatory response and fibrosis in the kidneys. In cultured mesangial cells, MF similarly ameliorated abnormal proliferation and lowered the expression of inflammation- and fibrosis-related factors stimulated by high glucose (HG) treatment. Upon MF treatment, there was a decline in KDM3A-positive cells in renal tissues of rats, accompanying an augment in KDM3A ubiquitination. KDM3A upregulation in vitro by a proteasome inhibitor MG132 comparably dampened the inhibitory role of MF in inflammatory response and fibrosis. Further analyses revealed that MF increased transforming growth factor β-induced factor 1 (TGIF1) transcriptional activity by promoting ubiquitination and degradation of KDM3A, thus inhibiting the activation of TGF-β1/Smad2/3 signaling pathway. TGIF1 silencing weakened the repressive role of MF in mesangial cells as well. In conclusion, MF contributes to TGIF1 transcription via an epigenetic mechanism.
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Affiliation(s)
- Liang Chang
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qi Wang
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiannan Ju
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yue Li
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qiao Cai
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lirong Hao
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yang Zhou
- Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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Luo B, He Z, Huang S, Wang J, Han D, Xue H, Liu P, Zeng X, Lu D. Long Non-Coding RNA 554 Promotes Cardiac Fibrosis via TGF-β1 Pathway in Mice Following Myocardial Infarction. Front Pharmacol 2020; 11:585680. [PMID: 33390954 PMCID: PMC7772239 DOI: 10.3389/fphar.2020.585680] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 11/03/2020] [Indexed: 12/20/2022] Open
Abstract
Rationale: Cardiac fibrosis is observed in nearly every form of myocardial disease. Long non-coding RNAs (lncRNAs) have been shown to play an important role in cardiac fibrosis, but the detailed molecular mechanism remains unknown. Object: We aimed at characterizing lncRNA 554 expression in murine cardiac fibroblasts (CFs) after myocardial infarction (MI) to identify CF-enriched lncRNA and investigate its function and contribution to cardiac fibrosis and function. Methods and Results: In this study, we identified lncRNA NONMMUT022554 (lncRNA 554) as a regulator of MI-induced cardiac fibrosis. We found that lncRNA 554 was significantly up-regulated in the mouse hearts following MI. Further study showed that lncRNA 554 was predominantly expressed in cardiac fibroblasts, indicating a potential role of lncRNA 554 in cardiac fibrosis. In vitro knockdown of lncRNA 554 by siRNA suppressed fibroblasts migration and expression of extracellular matrix (ECM); while overexpression of lncRNA 554 promoted expression of ECM genes. Consistently, lentivirus mediated in vivo knockdown of lncRNA 554 could inhibit cardiac fibrosis and improve cardiac function in mouse model of MI. More importantly, TGF-β1 inhibitor (TEW-7197) could reverse the pro-fibrotic function of lncRNA 554 in CFs. This suggests that the effects of lncRNA 554 on cardiac fibrosis is TGF-β1 dependent. Conclusion: Collectively, our study illustrated the role of lncRNA 554 in cardiac fibrosis, suggested that lncRNA 554 might be a novel target for cardiac fibrosis.
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Affiliation(s)
- Bihui Luo
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Zhiyu He
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Shijun Huang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China.,Department of Cardiovascular Medicine, Yue Bei People's Hospital, Guangdong, China
| | - Jinping Wang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Dunzheng Han
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Hao Xue
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Peiying Liu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Xiaojun Zeng
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Dongfeng Lu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China
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Zhang Y, Tang PMK, Niu Y, García Córdoba CA, Huang XR, Yu C, Lan HY. Long Non-coding RNA LRNA9884 Promotes Acute Kidney Injury via Regulating NF-kB-Mediated Transcriptional Activation of MIF. Front Physiol 2020; 11:590027. [PMID: 33192605 PMCID: PMC7658631 DOI: 10.3389/fphys.2020.590027] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/08/2020] [Indexed: 12/22/2022] Open
Abstract
Acute kidney injury (AKI) is one of the most common complications affecting hospitalized patients associated with an extremely high mortality rate. However, the underlying pathogenesis of AKI remains unclear that largely limits its effective management in clinic. Increasing evidence demonstrated the importance of long non-coding RNAs (lncRNAs) in the pathogenesis of AKI, because of their regulatory roles in transcription, translation, chromatin modification, and cellular organization. Here, we reported a new role of LRNA9884 in AKI. Using experimental cisplatin-induced AKI model, we found that LRNA9884 was markedly up-regulated in the nucleus of renal tubular epithelium in mice with AKI. We found that silencing of LRNA9884 effectively inhibited the production of inflammatory cytokines MCP-1, IL-6, and TNF-α in the mouse renal tubular epithelial cells (mTECs) under IL-1β stimulation in vitro. Mechanistically, LRNA9884 was involved into NF-κB-mediated inflammatory cytokines production especially on macrophage migration inhibitory factor (MIF). Collectedly, our study suggested LRNA9884 promoted MIF-triggered the production of inflammatory cytokines via NF-κB pathway after AKI injury. This study uncovered LRNA9884 has an adverse impact in AKI, and targeting LRNA9884 might represent a potential therapeutic target for AKI.
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Affiliation(s)
- Yingying Zhang
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Yangyang Niu
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Cristina Alexandra García Córdoba
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Xiao-Ru Huang
- Department of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, Shenzhen Research Institute, The Chinese University of Hong Kong, Shatin, Hong Kong.,Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People's Hospital, Guangzhou, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hui-Yao Lan
- Department of Medicine & Therapeutics, Li Ka Shing Institute of Health Sciences, Lui Che Woo Institute of Innovative Medicine, Shenzhen Research Institute, The Chinese University of Hong Kong, Shatin, Hong Kong.,Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People's Hospital, Guangzhou, The Chinese University of Hong Kong, Shatin, Hong Kong
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Yang J, Li J, Tan R, He X, Lin X, Zhong X, Fan J, Wang L. Protocatechualdehyde attenuates obstructive nephropathy through inhibiting lncRNA9884 induced inflammation. Phytother Res 2020; 35:1521-1533. [PMID: 33118280 DOI: 10.1002/ptr.6919] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/13/2020] [Accepted: 09/29/2020] [Indexed: 12/15/2022]
Abstract
Persistent chronic inflammation and fibrosis product accumulation aggravate tubulointerstitial fibrosis (TIF), leading to the progression of chronic kidney disease. The aim of this study was designed to investigate the effect of protocatechualdehyde (PCA), a natural phenolic acid compound isolated from Salvia miltiorrhiza, on the unilateral ureteral obstruction (UUO)-induced fibrosis and inflammation and to elucidate the underlying mechanism in primary renal tubular epithelial cells (TECs). Results from the histology suggested that the moderate to severe deteriorations of renal dysfunction and the pathological changes in UUO could be relieved by PCA treatment. Mechanistic studies revealed that the effect of PCA was associated with the downregulation of Smad3 and NF-κB driven fibrosis and inflammation respectively. It is worth noting that PCA could inhibit the aberrant expression of inflammation cytokines such as iNOS, MCP-1, TNF-α in UUO, and IL-1β-treated TECs. In addition, PCA also suppressed the expression of Smad3-dependent long noncoding RNA (lncRNA), 9884. Importantly, when overexpressing of lncRNA9884 in TECs by transfection of pcDNA3.1-lncRNA9884 plasmid, it revealed significant reversal of protein expression levels as that observed with only PCA, suggesting that PCA inhibits inflammation by mediating lncRNA9884/MCP-1 signaling pathway. Collectively, the current study establishes a foundational basis for PCA in future treatment of obstructive nephropathy.
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Affiliation(s)
- Jieke Yang
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Jianchun Li
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Ruizhi Tan
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Xingcan He
- Southwest Medical University, Luzhou, China
| | - Xiao Lin
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Xia Zhong
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Junming Fan
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China.,Chengdu Medical College, Chengdu, China
| | - Li Wang
- Research Center of Intergated Traditional Chinese and Western Medicine, and Department of Nephrology, Affiliated Traditional Medicine Hospital, Southwest Medical University, Luzhou, China
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Zhou D, Wu Y, Wang S, Li J, Luan J. Harnessing noncoding RNA-based macrophage polarization: Emerging therapeutic opportunities for fibrosis. IMMUNITY INFLAMMATION AND DISEASE 2020; 8:793-806. [PMID: 33080104 PMCID: PMC7654411 DOI: 10.1002/iid3.341] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/11/2020] [Accepted: 08/14/2020] [Indexed: 12/12/2022]
Abstract
Aim Organ fibrosis is a common pathological outcome of persistent tissue injury correlated with organ failure and death. Although current antifibrotic therapies have led to unprecedented successes, only a minority of patients with fibrosis benefit from these treatments. There is an urgent need to identify new targets and biomarkers that could be exploited in the diagnosis and treatment of fibrosis. Methods Macrophages play a dual role in the fibrogenesis across different organs either by promoting pro‐inflammatory or anti‐inflammatory responses. Noncoding RNAs (ncRNAs) have been demonstrated to play key roles in macrophage functions by manipulating macrophage polarization. Therefore, understanding the mechanism of ncRNA‐associated macrophage polarization is important to move toward therapeutic interventions. Results In this review, we provide an overview of recent insights into the role of ncRNAs in different fibrotic diseases by modulating macrophage phenotypic plasticity and functional heterogeneity. We also discuss the potential mechanisms of different ncRNAs integrate heterogeneous macrophages in fibrogenesis,including regulatory signatures, networks, and reciprocal interactions. Conclusions A broader understanding of how ncRNA‐directed macrophage phenotype transition in immunity and fibrosis might promote the development of a novel strategy for antifibrotic treatment.
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Affiliation(s)
- Dexi Zhou
- Department of Pharmacy, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui Province, China.,School of Pharmacy, Wannan Medical College, Wuhu, Anhui Province, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu, Anhui Province, China
| | - Yilai Wu
- Department of Pharmacy, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui Province, China.,School of Pharmacy, Wannan Medical College, Wuhu, Anhui Province, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu, Anhui Province, China
| | - Sheng Wang
- Department of Pharmacy, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui Province, China.,School of Pharmacy, Wannan Medical College, Wuhu, Anhui Province, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu, Anhui Province, China
| | - Jun Li
- School of Pharmacy, Anhui Medical University, Hefei, Anhui Province, China
| | - Jiajie Luan
- Department of Pharmacy, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui Province, China.,School of Pharmacy, Wannan Medical College, Wuhu, Anhui Province, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu, Anhui Province, China
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48
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Yang C, Chen XC, Li ZH, Wu HL, Jing KP, Huang XR, Ye L, Wei B, Lan HY, Liu HF. SMAD3 promotes autophagy dysregulation by triggering lysosome depletion in tubular epithelial cells in diabetic nephropathy. Autophagy 2020; 17:2325-2344. [PMID: 33043774 DOI: 10.1080/15548627.2020.1824694] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Macroautophagy/autophagy dysregulation has been noted in diabetic nephropathy; however, the regulatory mechanisms controlling this process remain unclear. In this study, we showed that SMAD3 (SMAD family member 3), the key effector of TGFB (transforming growth factor beta)-SMAD signaling, induces lysosome depletion via the inhibition of TFEB-dependent lysosome biogenesis. The pharmacological inhibition or genetic deletion of SMAD3 restored lysosome biogenesis activity by alleviating the suppression of TFEB, thereby protecting lysosomes from depletion and improving autophagic flux in renal tubular epithelial cells in diabetic nephropathy. Mechanistically, we found that SMAD3 directly binds to the 3'-UTR of TFEB and inhibits its transcription. Silencing TFEB suppressed lysosome biogenesis and resulted in a loss of the protective effects of SMAD3 inactivation on lysosome depletion under diabetic conditions. In conclusion, SMAD3 promotes lysosome depletion via the inhibition of TFEB-dependent lysosome biogenesis; this may be an important mechanism underlying autophagy dysregulation in the progression of diabetic nephropathy.Abbreviations: AGEs: advanced glycation end products; ATP6V1H: ATPase H+ transporting V1 subunit H; CTSB: cathepsin B; ChIP: chromatin immunoprecipitation; Co-BSA: control bovine serum albumin; DN: diabetic nephropathy; ELISA: enzyme-linked immunosorbent assay; FN1: fibronectin 1; HAVCR1/TIM1/KIM-1: hepatitis A virus cellular receptor 1; LAMP1: lysosomal associated membrane protein 1; LMP: lysosome membrane permeabilization; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; NC: negative control; SIS3: specific inhibitor of SMAD3; SMAD3: SMAD family member 3; siRNA: small interfering RNA; SQSTM1/p62: sequestosome 1; TECs: tubular epithelial cells; TFEB: transcription factor EB; TGFB1: transforming growth factor beta 1; TGFBR1: transforming growth factor beta receptor 1; UTR: untranslated region; VPS11: VPS11 core subunit of CORVET and HOPS complexes.
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Affiliation(s)
- Chen Yang
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - Xiao-Cui Chen
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - Zhi-Hang Li
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - Hong-Luan Wu
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - Kai-Peng Jing
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - Xiao-Ru Huang
- Department of Medicine & Therapeutics and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Lin Ye
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - Biao Wei
- Department of Medicine & Therapeutics and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hui-Yao Lan
- Department of Medicine & Therapeutics and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hua-Feng Liu
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
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Pathomthongtaweechai N, Chutipongtanate S. AGE/RAGE signaling-mediated endoplasmic reticulum stress and future prospects in non-coding RNA therapeutics for diabetic nephropathy. Biomed Pharmacother 2020; 131:110655. [PMID: 32853909 DOI: 10.1016/j.biopha.2020.110655] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/01/2020] [Accepted: 08/17/2020] [Indexed: 12/14/2022] Open
Abstract
Disturbance of endoplasmic reticulum (ER) homeostasis triggered by the accumulation of unfolded proteins and advanced glycation end-products (AGEs) plays a major role in pathophysiology of diabetic nephropathy. Activation of receptor for AGEs (RAGE) stimulates NADPH oxidase-mediated reactive oxygen species (ROS) production, leading to ER stress, inflammation, glomerular hypertrophy, podocyte injury, and renal fibrosis. A growing body of evidence indicates that non-coding RNAs (ncRNAs) could rescue ER stress and renal inflammation by the epigenetic modification. This review summarizes ncRNA regulation in AGE/RAGE signaling-mediated ER stress, and discusses the opportunities and challenges of ncRNA-loaded extracellular vesicle therapy in diabetic nephropathy.
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Affiliation(s)
- Nutthapoom Pathomthongtaweechai
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, 10540, Thailand.
| | - Somchai Chutipongtanate
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, 10400, Thailand; Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, 10400, Thailand.
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50
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Neural transcription factor Pou4f1 promotes renal fibrosis via macrophage-myofibroblast transition. Proc Natl Acad Sci U S A 2020; 117:20741-20752. [PMID: 32788346 DOI: 10.1073/pnas.1917663117] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Unresolved inflammation can lead to tissue fibrosis and impaired organ function. Macrophage-myofibroblast transition (MMT) is one newly identified mechanism by which ongoing chronic inflammation causes progressive fibrosis in different forms of kidney disease. However, the mechanisms underlying MMT are still largely unknown. Here, we discovered a brain-specific homeobox/POU domain protein Pou4f1 (Brn3a) as a specific regulator of MMT. Interestingly, we found that Pou4f1 is highly expressed by macrophages undergoing MMT in sites of fibrosis in human and experimental kidney disease, identified by coexpression of the myofibroblast marker, α-SMA. Unexpectedly, Pou4f1 expression peaked in the early stage in renal fibrogenesis in vivo and during MMT of bone marrow-derived macrophages (BMDMs) in vitro. Mechanistically, chromatin immunoprecipitation (ChIP) assay identified that Pou4f1 is a Smad3 target and the key downstream regulator of MMT, while microarray analysis defined a Pou4f1-dependent fibrogenic gene network for promoting TGF-β1/Smad3-driven MMT in BMDMs at the transcriptional level. More importantly, using two mouse models of progressive renal interstitial fibrosis featuring the MMT process, we demonstrated that adoptive transfer of TGF-β1-stimulated BMDMs restored both MMT and renal fibrosis in macrophage-depleted mice, which was prevented by silencing Pou4f1 in transferred BMDMs. These findings establish a role for Pou4f1 in MMT and renal fibrosis and suggest that Pou4f1 may be a therapeutic target for chronic kidney disease with progressive renal fibrosis.
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