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Liu J, Livingston MJ, Dong G, Wei Q, Zhang M, Mei S, Zhu J, Zhang C, Dong Z. HIF-1 contributes to autophagy activation via BNIP3 to facilitate renal fibrosis in hypoxia in vitro and UUO in vivo. Am J Physiol Cell Physiol 2024; 326:C935-C947. [PMID: 38284121 PMCID: PMC11193486 DOI: 10.1152/ajpcell.00458.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/19/2024] [Accepted: 01/19/2024] [Indexed: 01/30/2024]
Abstract
The molecular basis of renal interstitial fibrosis, a major pathological feature of progressive kidney diseases, remains poorly understood. Autophagy has been implicated in renal fibrosis, but whether it promotes or inhibits fibrosis remains controversial. Moreover, it is unclear how autophagy is activated and sustained in renal fibrosis. The present study was designed to address these questions using the in vivo mouse model of unilateral ureteral obstruction and the in vitro model of hypoxia in renal tubular cells. Both models showed the activation of hypoxia-inducible factor-1 (HIF-1) and autophagy along with fibrotic changes. Inhibition of autophagy with chloroquine reduced renal fibrosis in unilateral ureteral obstruction model, whereas chloroquine and autophagy-related gene 7 knockdown decreased fibrotic changes in cultured renal proximal tubular cells, supporting a profibrotic role of autophagy. Notably, pharmacological and genetic inhibition of HIF-1 led to the suppression of autophagy and renal fibrosis in these models. Mechanistically, knock down of BCL2 and adenovirus E1B 19-kDa-interacting protein 3 (BNIP3), a downstream target gene of HIF, decreased autophagy and fibrotic changes during hypoxia in BUMPT cells. Together, these results suggest that HIF-1 may activate autophagy via BNIP3 in renal tubular cells to facilitate the development of renal interstitial fibrosis.NEW & NOTEWORTHY Autophagy has been reported to participate in renal fibrosis, but its role and underlying activation mechanism is unclear. In this study, we report the role of HIF-1 in autophagy activation in models of renal fibrosis and further investigate the underlying mechanism.
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Affiliation(s)
- Jing Liu
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
| | - Man J Livingston
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
| | - Guie Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
| | - Qingqing Wei
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
| | - Ming Zhang
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
| | - Shuqin Mei
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
- Department of Nephrology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Jiefu Zhu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Chun Zhang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zheng Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia, United States
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2
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Wang J, Kuang J, Zhang S, Liu Z, Guo Q, Li S, Qiu L, Fu G, Lin X, Wu J, Tian J, Huang J, Niu Y, Kang K, Zhang Y, Gou D. Comprehensive characterization of small noncoding RNA profiles in hypoxia-induced pulmonary hypertension (HPH) rat tissues. iScience 2024; 27:108815. [PMID: 38322991 PMCID: PMC10844824 DOI: 10.1016/j.isci.2024.108815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 11/10/2023] [Accepted: 01/02/2024] [Indexed: 02/08/2024] Open
Abstract
Hypoxia-induced pulmonary hypertension (HPH) is a fatal cardiovascular disease characterized by an elevation in pulmonary artery pressure, resulting in right ventricular dysfunction and eventual heart failure. Exploring the pathogenesis of HPH is crucial, and small noncoding RNAs (sncRNAs) are gaining recognition as potential regulators of cellular responses to hypoxia. In this study, we conducted a comprehensive analysis of sncRNA profiles in eight tissues of male HPH rats using high-throughput sequencing. Our study unveiled several sncRNAs, with the brain, kidney, and spleen exhibiting the highest abundance of microRNA (miRNA), tRNA-derived small RNA (tDR), and small nucleolar RNA (snoRNA), respectively. Moreover, we identified numerous tissue-specific and hypoxia-responsive sncRNAs, particularly miRNAs and tDRs. Interestingly, we observed arm switching in miRNAs under hypoxic conditions and a significant increase in the abundance of 5' tRNA-halves among the total tDRs during hypoxia. Overall, our study provides a comprehensive characterization of the sncRNA profiles in HPH rats.
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Affiliation(s)
- Jun Wang
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Jiahao Kuang
- College of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Shasha Zhang
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Zixin Liu
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Qianwen Guo
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Shujin Li
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Lin Qiu
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Gaohui Fu
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Xinyang Lin
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Jiayu Wu
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Jinglin Tian
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Jinyong Huang
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Yanqin Niu
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Kang Kang
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
- College of Medicine, Shenzhen University, Shenzhen 518060, China
| | - Yunhui Zhang
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650022, China
| | - Deming Gou
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Vascular Disease Research Center, College of Life Sciences and Oceanography, Guangdong Provincial Key Laboratory of Regional Immunity and Disease, Carson International Cancer Center, School of Medicine, Shenzhen University, Shenzhen 518060, China
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3
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Rajabi S, Saberi S, Najafipour H, Askaripour M, Rajizadeh MA, Shahraki S, Kazeminia S. Interaction of estradiol and renin-angiotensin system with microRNAs-21 and -29 in renal fibrosis: focus on TGF-β/smad signaling pathway. Mol Biol Rep 2024; 51:137. [PMID: 38236310 DOI: 10.1007/s11033-023-09127-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 12/06/2023] [Indexed: 01/19/2024]
Abstract
Kidney fibrosis is one of the complications of chronic kidney disease (CKD (and contributes to end-stage renal disease which requires dialysis and kidney transplantation. Several signaling pathways such as renin-angiotensin system (RAS), microRNAs (miRNAs) and transforming growth factor-β1 (TGF-β1)/Smad have a prominent role in pathophysiology and progression of renal fibrosis. Activation of classical RAS, the elevation of angiotensin II (Ang II) production and overexpression of AT1R, develop renal fibrosis via TGF-β/Smad pathway. While the non-classical RAS arm, Ang 1-7/AT2R, MasR reveals an anti-fibrotic effect via antagonizing Ang II. This review focused on studies illustrating the interaction of RAS with sexual female hormone estradiol and miRNAs in the progression of renal fibrosis with more emphasis on the TGF-β signaling pathway. MiRNAs, especially miRNA-21 and miRNA-29 showed regulatory effects in renal fibrosis. Also, 17β-estradiol (E2) is a renoprotective hormone that improved renal fibrosis. Beneficial effects of ACE inhibitors and ARBs are reported in the prevention of renal fibrosis in patients. Future studies are also merited to delineate the new therapy strategies such as miRNAs targeting, combination therapy of E2 or HRT, ACEis, and ARBs with miRNAs mimics and antagomirs in CKD to provide a new therapeutic approach for kidney patients.
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Affiliation(s)
- Soodeh Rajabi
- Student Research Committee, Kerman University of Medical Sciences, Kerman, Iran
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Shadan Saberi
- Department of Physiology and Pharmacology, Afzalipour Medical Faculty, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Najafipour
- Cardiovascular Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Majid Askaripour
- Department of Physiology, School of Medicine, Bam University of Medical Sciences, Bam, Iran.
| | - Mohammad Amin Rajizadeh
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Sarieh Shahraki
- Department of Physiology and Pharmacology, School of Medicine, Zabol University of Medical Sciences, Zabol, Iran
| | - Sara Kazeminia
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, USA
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4
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Wang L, Zhao W, Xia C, Ma S, Li Z, Wang N, Ding L, Wang Y, Cheng L, Liu H, Yang J, Li Y, Rosas I, Yu G. TRIOBP modulates β-catenin signaling by regulation of miR-29b in idiopathic pulmonary fibrosis. Cell Mol Life Sci 2023; 81:13. [PMID: 38157020 PMCID: PMC10756874 DOI: 10.1007/s00018-023-05080-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 11/17/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal and devastating lung disease of unknown etiology, described as the result of multiple cycles of epithelial cell injury and fibroblast activation. Despite this impressive increase in understanding, a therapy that reverses this form of fibrosis remains elusive. In our previous study, we found that miR-29b has a therapeutic effect on pulmonary fibrosis. However, its anti-fibrotic mechanism is not yet clear. Recently, our study identified that F-Actin Binding Protein (TRIOBP) is one of the target genes of miR-29b and found that deficiency of TRIOBP increases resistance to lung fibrosis in vivo. TRIOBP knockdown inhibited the proliferation of epithelial cells and attenuated the activation of fibroblasts. In addition, deficiency of Trio Rho Guanine Nucleotide Exchange Factor (TRIO) in epithelial cells and fibroblasts decreases susceptibility to lung fibrosis. TRIOBP interacting with TRIO promoted abnormal epithelial-mesenchymal crosstalk and modulated the nucleocytoplasmic translocation of β-catenin. We concluded that the miR-29b‒TRIOBP-TRIO-β-catenin axis might be a key anti-fibrotic axis in IPF to regulate lung regeneration and fibrosis, which may provide a promising treatment strategy for lung fibrosis.
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Affiliation(s)
- Lan Wang
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Wenyu Zhao
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Cong Xia
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Shuaichen Ma
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Zhongzheng Li
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Ningdan Wang
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Linke Ding
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Yaxuan Wang
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Lianhui Cheng
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Huibing Liu
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Juntang Yang
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Yajun Li
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Ivan Rosas
- Division of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Guoying Yu
- State Key Laboratory of Cell Differentiation and Regulation; Henan International Joint Laboratory of Pulmonary Fibrosis; Henan Center for Outstanding Overseas Scientists of Organ Fibrosis; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China.
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5
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Dahiya N, Kaur M, Singh V. Potential roles of circulatory microRNAs in the onset and progression of renal and cardiac diseases: a focussed review for clinicians. Acta Cardiol 2023; 78:863-877. [PMID: 37318070 DOI: 10.1080/00015385.2023.2221150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 05/14/2023] [Accepted: 05/30/2023] [Indexed: 06/16/2023]
Abstract
The signalling mechanisms involving the kidney and heart are a niche of networks causing pathological conditions inducing inflammation, reactive oxidative species, cell apoptosis, and organ dysfunction during the onset of clinical complications. The clinical manifestation of the kidney and heart depends on various biochemical processes that influence organ dysfunction coexistence through circulatory networks, which hold utmost importance. The cells of both organs also influence remote communication, and evidence states that it may be explicitly by circulatory small noncoding RNAs, i.e. microRNAs (miRNAs). Recent developments target miRNAs as marker panels for disease diagnosis and prognosis. Circulatory miRNAs expressed in renal and cardiac disease can reveal relevant information about the niche of networks and gene transcription and regulated networks. In this review, we discuss the pertinent roles of identified circulatory miRNAs regulating signal transduction pathways critical in the onset of renal and cardiac disease, which can hold promising future targets for clinical diagnostic and prognostic purposes.
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Affiliation(s)
- Neha Dahiya
- Centre for Life Sciences, Chitkara School of Health Sciences, Chitkara University, Punjab, India
| | - Manpreet Kaur
- Centre for Life Sciences, Chitkara School of Health Sciences, Chitkara University, Punjab, India
| | - Varsha Singh
- Centre for Life Sciences, Chitkara School of Health Sciences, Chitkara University, Punjab, India
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6
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Naas S, Schiffer M, Schödel J. Hypoxia and renal fibrosis. Am J Physiol Cell Physiol 2023; 325:C999-C1016. [PMID: 37661918 DOI: 10.1152/ajpcell.00201.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 09/05/2023]
Abstract
Renal fibrosis is the final stage of most progressive kidney diseases. Chronic kidney disease (CKD) is associated with high comorbidity and mortality. Thus, preventing fibrosis and thereby preserving kidney function increases the quality of life and prolongs the survival of patients with CKD. Many processes such as inflammation or metabolic stress modulate the progression of kidney fibrosis. Hypoxia has also been implicated in the pathogenesis of renal fibrosis, and oxygen sensing in the kidney is of outstanding importance for the body. The dysregulation of oxygen sensing in the diseased kidney is best exemplified by the loss of stimulation of erythropoietin production from interstitial cells in the fibrotic kidney despite anemia. Furthermore, hypoxia is present in acute or chronic kidney diseases and may affect all cell types present in the kidney including tubular and glomerular cells as well as resident immune cells. Pro- and antifibrotic effects of the transcription factors hypoxia-inducible factors 1 and 2 have been described in a plethora of animal models of acute and chronic kidney diseases, but recent advances in sequencing technologies now allow for novel and deeper insights into the role of hypoxia and its cell type-specific effects on the progression of renal fibrosis, especially in humans. Here, we review existing literature on how hypoxia impacts the development and progression of renal fibrosis.
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Affiliation(s)
- Stephanie Naas
- Department of Nephrology and Hypertension, Uniklinikum Erlangen und Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Mario Schiffer
- Department of Nephrology and Hypertension, Uniklinikum Erlangen und Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Johannes Schödel
- Department of Nephrology and Hypertension, Uniklinikum Erlangen und Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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7
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Foresto-Neto O, da Silva ARPA, Cipelli M, Santana-Novelli FPR, Camara NOS. The impact of hypoxia-inducible factors in the pathogenesis of kidney diseases: a link through cell metabolism. Kidney Res Clin Pract 2023; 42:561-578. [PMID: 37448286 PMCID: PMC10565456 DOI: 10.23876/j.krcp.23.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/20/2023] [Accepted: 03/20/2023] [Indexed: 07/15/2023] Open
Abstract
Kidneys are sensitive to disturbances in oxygen homeostasis. Hypoxia and activation of the hypoxia-inducible factor (HIF) pathway alter the expression of genes involved in the metabolism of renal and immune cells, interfering with their functioning. Whether the transcriptional activity of HIF protects the kidneys or participates in the pathogenesis of renal diseases is unclear. Several studies have indicated that HIF signaling promotes fibrosis in experimental models of kidney disease. Other reports showed a protective effect of HIF activation on kidney inflammation and injury. In addition to the direct effect of HIF on the kidneys, experimental evidence indicates that HIF-mediated metabolic shift activates inflammatory cells, supporting the HIF cascade as a link between lung or gut damage and worsening of renal disease. Although hypoxia and HIF activation are present in several scenarios of renal diseases, further investigations are needed to clarify whether interfering with the HIF pathway is beneficial in different pathological contexts.
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Affiliation(s)
- Orestes Foresto-Neto
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Division of Nephrology, Department of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | | | - Marcella Cipelli
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Niels Olsen Saraiva Camara
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Division of Nephrology, Department of Medicine, Federal University of São Paulo, São Paulo, Brazil
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8
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Gluba-Sagr A, Franczyk B, Rysz-Górzyńska M, Ławiński J, Rysz J. The Role of miRNA in Renal Fibrosis Leading to Chronic Kidney Disease. Biomedicines 2023; 11:2358. [PMID: 37760798 PMCID: PMC10525803 DOI: 10.3390/biomedicines11092358] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/14/2023] [Accepted: 08/19/2023] [Indexed: 09/29/2023] Open
Abstract
Chronic kidney disease (CKD) is an important health concern that is expected to be the fifth most widespread cause of death worldwide by 2040. The presence of chronic inflammation, oxidative stress, ischemia, etc., stimulates the development and progression of CKD. Tubulointerstitial fibrosis is a common pathomechanism of renal dysfunction, irrespective of the primary origin of renal injury. With time, fibrosis leads to end-stage renal disease (ESRD). Many studies have demonstrated that microRNAs (miRNAs, miRs) are involved in the onset and development of fibrosis and CKD. miRNAs are vital regulators of some pathophysiological processes; therefore, their utility as therapeutic agents in various diseases has been suggested. Several miRNAs were demonstrated to participate in the development and progression of kidney disease. Since renal fibrosis is an important problem in chronic kidney disease, many scientists have focused on the determination of miRNAs associated with kidney fibrosis. In this review, we present the role of several miRNAs in renal fibrosis and the potential pathways involved. However, as well as those mentioned above, other miRs have also been suggested to play a role in this process in CKD. The reports concerning the impact of some miRNAs on fibrosis are conflicting, probably because the expression and regulation of miRNAs occur in a tissue- and even cell-dependent manner. Moreover, different assessment modes and populations have been used. There is a need for large studies and clinical trials to confirm the role of miRs in a clinical setting. miRNAs have great potential; thus, their analysis may improve diagnostic and therapeutic strategies.
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Affiliation(s)
- Anna Gluba-Sagr
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-549 Lodz, Poland
| | - Beata Franczyk
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-549 Lodz, Poland
| | - Magdalena Rysz-Górzyńska
- Department of Ophthalmology and Visual Rehabilitation, Medical University of Lodz, 90-549 Lodz, Poland
| | - Janusz Ławiński
- Department of Urology, Institute of Medical Sciences, College of Medical Sciences, University of Rzeszow, 35-055 Rzeszow, Poland
| | - Jacek Rysz
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-549 Lodz, Poland
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9
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Nataliya B, Mikhail A, Vladimir P, Olga G, Maksim V, Ivan Z, Ekaterina N, Georgy S, Natalia D, Pavel M, Andrey C, Maria S, Maxim K, Anastasiya T, Uliana D, Zhanna A, Vsevolod T, Natalia K, Anastasiya E. Mesenchymal stromal cells facilitate resolution of pulmonary fibrosis by miR-29c and miR-129 intercellular transfer. Exp Mol Med 2023:10.1038/s12276-023-01017-w. [PMID: 37394579 PMCID: PMC10393964 DOI: 10.1038/s12276-023-01017-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/14/2023] [Accepted: 03/26/2023] [Indexed: 07/04/2023] Open
Abstract
To date, pulmonary fibrosis remains an unmet medical need. In this study, we evaluated the potency of mesenchymal stromal cell (MSC) secretome components to prevent pulmonary fibrosis development and facilitate fibrosis resolution. Surprisingly, the intratracheal application of extracellular vesicles (MSC-EVs) or the vesicle-depleted secretome fraction (MSC-SF) was not able to prevent lung fibrosis when applied immediately after the injury caused by bleomycin instillation in mice. However, MSC-EV administration induced the resolution of established pulmonary fibrosis, whereas the vesicle-depleted fraction did not. The application of MSC-EVs caused a decrease in the numbers of myofibroblasts and FAPa+ progenitors without affecting their apoptosis. Such a decrease likely occurred due to their dedifferentiation caused by microRNA (miR) transfer by MSC-EVs. Using a murine model of bleomycin-induced pulmonary fibrosis, we confirmed the contribution of specific miRs (miR-29c and miR-129) to the antifibrotic effect of MSC-EVs. Our study provides novel insights into possible antifibrotic therapy based on the use of the vesicle-enriched fraction of the MSC secretome.
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Affiliation(s)
- Basalova Nataliya
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation.
| | - Arbatskiy Mikhail
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Popov Vladimir
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Grigorieva Olga
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Vigovskiy Maksim
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Zaytsev Ivan
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Novoseletskaya Ekaterina
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Sagaradze Georgy
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Danilova Natalia
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
- Department of Clinical Pathology, Medical Research and Education Centre, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Malkov Pavel
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
- Department of Clinical Pathology, Medical Research and Education Centre, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Cherniaev Andrey
- Division of Fundamental Medicine of Federal State Budgetary Institution "Pulmonology Scientific Research Institute under Federal Medical and Biological Agency of Russian Federation", Moscow, Russian Federation
- Research Institute of Human Morphology, Moscow, Russian Federation
| | - Samsonova Maria
- Division of Fundamental Medicine of Federal State Budgetary Institution "Pulmonology Scientific Research Institute under Federal Medical and Biological Agency of Russian Federation", Moscow, Russian Federation
- Research Institute of Human Morphology, Moscow, Russian Federation
| | - Karagyaur Maxim
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Tolstoluzhinskaya Anastasiya
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Dyachkova Uliana
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Akopyan Zhanna
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Tkachuk Vsevolod
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Kalinina Natalia
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Efimenko Anastasiya
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, Moscow, Russian Federation
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russian Federation
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10
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Huang R, Fu P, Ma L. Kidney fibrosis: from mechanisms to therapeutic medicines. Signal Transduct Target Ther 2023; 8:129. [PMID: 36932062 PMCID: PMC10023808 DOI: 10.1038/s41392-023-01379-7] [Citation(s) in RCA: 91] [Impact Index Per Article: 91.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 02/12/2023] [Accepted: 02/20/2023] [Indexed: 03/19/2023] Open
Abstract
Chronic kidney disease (CKD) is estimated to affect 10-14% of global population. Kidney fibrosis, characterized by excessive extracellular matrix deposition leading to scarring, is a hallmark manifestation in different progressive CKD; However, at present no antifibrotic therapies against CKD exist. Kidney fibrosis is identified by tubule atrophy, interstitial chronic inflammation and fibrogenesis, glomerulosclerosis, and vascular rarefaction. Fibrotic niche, where organ fibrosis initiates, is a complex interplay between injured parenchyma (like tubular cells) and multiple non-parenchymal cell lineages (immune and mesenchymal cells) located spatially within scarring areas. Although the mechanisms of kidney fibrosis are complicated due to the kinds of cells involved, with the help of single-cell technology, many key questions have been explored, such as what kind of renal tubules are profibrotic, where myofibroblasts originate, which immune cells are involved, and how cells communicate with each other. In addition, genetics and epigenetics are deeper mechanisms that regulate kidney fibrosis. And the reversible nature of epigenetic changes including DNA methylation, RNA interference, and chromatin remodeling, gives an opportunity to stop or reverse kidney fibrosis by therapeutic strategies. More marketed (e.g., RAS blockage, SGLT2 inhibitors) have been developed to delay CKD progression in recent years. Furthermore, a better understanding of renal fibrosis is also favored to discover biomarkers of fibrotic injury. In the review, we update recent advances in the mechanism of renal fibrosis and summarize novel biomarkers and antifibrotic treatment for CKD.
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Affiliation(s)
- Rongshuang Huang
- Kidney Research Institute, Division of Nephrology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ping Fu
- Kidney Research Institute, Division of Nephrology, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Liang Ma
- Kidney Research Institute, Division of Nephrology, West China Hospital, Sichuan University, Chengdu, 610041, China.
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11
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Hypoxia-Induced Downregulation of miR-29 in Renal Tumor Cells Affects Collagen IV Subunit Expression through Multiple Sites. Biomedicines 2022; 10:biomedicines10123286. [PMID: 36552042 PMCID: PMC9775538 DOI: 10.3390/biomedicines10123286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/03/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Multiple tumor exacerbations and treatment procedures, such as extracellular matrix remodeling, metabolic reprogramming, immunological evasion, and resistance to chemotherapy and radiotherapy, are influenced by intratumoral hypoxia. It is becoming increasingly clear how hypoxia interacts with the extracellular matrix and how this affects the growth of cancer. We analyzed the published sequencing results of hypoxia-stressed mouse kidney tumor cells and found that the expression of miR-29b was significantly downregulated. There are several sites that are complementary to the miR-29 seed sequence in the 3' non-coding regions (3'UTRs) of various extracellular matrix-related genes, including collagen IV. We analyzed the sequences of the 3'UTRs of different subunits of collagen IV in different species and constructed the corresponding phylogenetic trees. We found that the 3'UTRs of Col4a1 and Col4a4 may have been subjected to particular evolutionary pressures. By cloning the 3'UTRs of collagen IV subunits into the psiCHECKTM-2 vector, we found that seven of the eight sites in the Col4a3-Col4a6 gene complementary to miR-29 were significantly repressed by miR-29a, b (except for the 7774-7781 of Col4a3 gene). The inhibitory efficiency of miR-29a, b on these seven sites was between 27% and 57%. The research on the regulation of miR-29 and extracellular matrix by hypoxia can provide a theoretical basis for tumor and fibrosis research and treatment.
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12
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Liu F, Hu W, Sun Y, Shen Y, Zhou W, Dai Y, Gu L, Zhang M, Zhou Y. Exploration of Interstitial Fibrosis in Chronic Kidney Disease by Diffusion‐Relaxation Correlation Spectrum
MR
Imaging: A Preliminary Study. J Magn Reson Imaging 2022. [DOI: 10.1002/jmri.28535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 11/07/2022] [Accepted: 11/08/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Fang Liu
- Department of Radiology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
| | - Wentao Hu
- Central Research Institute, United Imaging Healthcare Shanghai China
| | - Yawen Sun
- Department of Radiology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
| | - Yiwei Shen
- Department of Nephrology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
| | - Wenyan Zhou
- Department of Nephrology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
| | - Yongming Dai
- Central Research Institute, United Imaging Healthcare Shanghai China
| | - Leyi Gu
- Department of Nephrology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
| | - Minfang Zhang
- Department of Nephrology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
| | - Yan Zhou
- Department of Radiology Renji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai China
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13
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Adzigbli L, Sokolov EP, Wimmers K, Sokolova IM, Ponsuksili S. Effects of hypoxia and reoxygenation on mitochondrial functions and transcriptional profiles of isolated brain and muscle porcine cells. Sci Rep 2022; 12:19881. [PMID: 36400902 PMCID: PMC9674649 DOI: 10.1038/s41598-022-24386-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Oxygen fluctuations might occur in mammalian tissues under physiological (e.g. at high altitudes) or pathological (e.g. ischemia-reperfusion) conditions. Mitochondria are the key target and potential amplifiers of hypoxia-reoxygenation (H-R) stress. Understanding the mitochondrial responses to H-R stress is important for identifying adaptive mechanisms and potential therapeutic solutions for pathologies associated with oxygen fluctuations. We explored metabolic response to H-R stress in two tissue types (muscle and brain) with different degrees of hypoxia tolerance in a domestic pig Sus scrofa focusing on the cellular responses independent of the systemic regulatory mechanisms. Isolated cells from the skeletal muscle (masseter) and brain (thalamus) were exposed to acute short-term (15 min) hypoxia followed by reoxygenation. The mitochondrial oxygen consumption, reactive oxygen species (ROS) production rates and transcriptional profiles of hypoxia-responsive mRNA and miRNA were determined. Mitochondria of the porcine brain cells showed a decrease in the resting respiration and ATP synthesis capacity whereas the mitochondria from the muscle cells showed robust respiration and less susceptibility to H-R stress. ROS production was not affected by the short-term H-R stress in the brain or muscle cells. Transcriptionally, prolyl hydroxylase domain protein EGLN3 was upregulated during hypoxia and suppressed during reoxygenation in porcine muscle cells. The decline in EGLN3 mRNA during reoxygenation was accompanied by an upregulation of hypoxia-inducible factor subunit α (HIF1A) transcripts in the muscle cells. However, in the brain cells, HIF1A mRNA levels were suppressed during reoxygenation. Other functionally important transcripts and miRNAs involved in antioxidant response, apoptosis, inflammation, and substrate oxidation were also differentially expressed between the muscle and brain cells. Suppression of miRNA levels during acute intermittent hypoxia was stronger in the brain cells affecting ~ 55% of all studied miRNA transcripts than in the muscle cells (~ 25% of miRNA) signifying transcriptional derepression of the respective mRNA targets. Our study provides insights into the potential molecular and physiological mechanisms contributing to different hypoxia sensitivity of the studied tissues and can serve as a starting point to better understand the biological processes associated with hypoxia stress, e.g. during ischemia and reperfusion.
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Affiliation(s)
- Linda Adzigbli
- grid.418188.c0000 0000 9049 5051Research Institute for Farm Animal Biology (FBN), Institute of Genome Biology, Dummerstorf, Germany ,grid.10493.3f0000000121858338Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Rostock, Germany
| | - Eugene P. Sokolov
- grid.423940.80000 0001 2188 0463Leibniz Institute for Baltic Sea Research, Leibniz Science Campus Phosphorus Research, Warnemünde, Rostock, Germany
| | - Klaus Wimmers
- grid.418188.c0000 0000 9049 5051Research Institute for Farm Animal Biology (FBN), Institute of Genome Biology, Dummerstorf, Germany
| | - Inna M. Sokolova
- grid.10493.3f0000000121858338Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Rostock, Germany ,grid.10493.3f0000000121858338Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, Rostock, Germany
| | - Siriluck Ponsuksili
- grid.418188.c0000 0000 9049 5051Research Institute for Farm Animal Biology (FBN), Institute of Genome Biology, Dummerstorf, Germany
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14
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Earle A, Bessonny M, Benito J, Huang K, Parker H, Tyler E, Crawford B, Khan N, Armstrong B, Stamatikos A, Garimella S, Clay-Gilmour A. Urinary Exosomal MicroRNAs as Biomarkers for Obesity-Associated Chronic Kidney Disease. J Clin Med 2022; 11:jcm11185271. [PMID: 36142918 PMCID: PMC9502686 DOI: 10.3390/jcm11185271] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/24/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
The early detection of chronic kidney disease (CKD) is key to reducing the burden of disease and rising costs of care. This need has spurred interest in finding new biomarkers for CKD. Ideal bi-omarkers for CKD should be: easy to measure; stable; reliably detected, even when interfering substances are present; site-specific based on the type of injury (tubules vs. glomeruli); and its changes in concentration should correlate with disease risk or outcome. Currently, no single can-didate biomarker fulfills these criteria effectively, and the mechanisms underlying kidney fibrosis are not fully understood; however, there is growing evidence in support of microRNA-mediated pro-cesses. Specifically, urinary exosomal microRNAs may serve as biomarkers for kidney fibrosis. In-creasing incidences of obesity and the recognition of obesity-associated CKD have increased interest in the interplay of obesity and CKD. In this review, we provide: (1) an overview of the current scope of CKD biomarkers within obese individuals to elucidate the genetic pathways unique to obesi-ty-related CKD; (2) a review of microRNA expression in obese individuals with kidney fibrosis in the presence of comorbidities, such as diabetes mellitus and hypertension; (3) a review of thera-peutic processes, such as diet and exercise, that may influence miR-expression in obesity-associated CKD; (4) a review of the technical aspects of urinary exosome isolation; and (5) future areas of research.
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Affiliation(s)
- Angel Earle
- Department of Epidemiology & Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Madison Bessonny
- Department of Epidemiology & Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Josh Benito
- Prisma Health, Pediatric Nephrology, Greenville, SC 29615, USA
| | - Kun Huang
- Department of Food, Nutrition, and Packaging Sciences, College of Agriculture, Forestry & Life Sciences, Clemson University, Clemson, SC 29634, USA
| | - Hannah Parker
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Emily Tyler
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Brittany Crawford
- Department of Epidemiology & Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Nabeeha Khan
- Department of Epidemiology & Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Bridget Armstrong
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
| | - Alexis Stamatikos
- Department of Food, Nutrition, and Packaging Sciences, College of Agriculture, Forestry & Life Sciences, Clemson University, Clemson, SC 29634, USA
| | - Sudha Garimella
- Prisma Health, Pediatric Nephrology, Greenville, SC 29615, USA
| | - Alyssa Clay-Gilmour
- Department of Epidemiology & Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
- Correspondence:
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15
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Feng W, Xie H, Li J, Yan X, Zhu S, Sun S. miR-29c Inhibits Renal Interstitial Fibrotic Proliferative Properties through PI3K-AKT Pathway. Appl Bionics Biomech 2022; 2022:6382323. [PMID: 36051820 PMCID: PMC9427319 DOI: 10.1155/2022/6382323] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/22/2022] [Accepted: 07/26/2022] [Indexed: 11/17/2022] Open
Abstract
Renal fibrosis, in particular tubulointerstitial fibrosis, which is characterized by an increased extracellular matrix (ECM) formation and development in the interstitium, is the common end pathway for nearly all progressive kidney disorders. One of the sources for this matrix is the epithelial to mesenchymal transition (EMT) from the tabular epithelium. The driving force behind it is some profibrotic growth factors such as transforming growth factor-β (TGF-β) which is responsible for the formation of collagen in renal fibrosis. miR-29c, which is an antifibrotic microRNA, downregulates renal interstitial fibrosis by downregulating the TGF-β and collagen. However, it is not known whether miR-29c mediates the TGF-β1-driven PI3K-Akt pathway and Col-1 triggering within NRK-52E cultures. The main objective of this investigation was to examine the influence of miR-29c on the downregulation of the TGF-β1-driven PI3K-Akt pathway and Col-1 triggering in NRK-52E cultures. This study revealed that miR-29c inhibited TGF-β1 expression in NRK-52E cell cultures. Overexpression of miR-29c significantly inhibits NRK-52E culture proliferation mediated by TGF-β1. miR-29c inhibited the expression of Col-1 and decreased PI3K/Akt phosphorylation. These findings revealed a novel mechanism by which miR29c inhibits the proliferation of renal interstitial fibrotic cultures by downregulating the PI3k-Akt pathway, which is controlled by TGF-β1.
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Affiliation(s)
- Weifeng Feng
- Department of Traditional Chinese Medicine, First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Huijun Xie
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong, China
| | - Jiong Li
- Department of Anatomy, College of Medicine, Jinan University, Guangzhou, Guangdong, China
| | - Xianxin Yan
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong, China
| | - Shiping Zhu
- Department of Traditional Chinese Medicine, First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Shengyun Sun
- Department of Traditional Chinese Medicine, First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
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16
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Akbari J, Shirvani H, Shamsoddini A, Bazgir B, Samadi M. Investigation of expression of myocardial miR-126, miR-29a and miR-222 as a potential marker in STZ- induced diabetic rats following interval and continuous exercise training. J Diabetes Metab Disord 2022; 21:189-195. [PMID: 35673452 PMCID: PMC9167327 DOI: 10.1007/s40200-021-00957-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 12/07/2021] [Indexed: 01/13/2023]
Abstract
Purpose Cardiac miRNAs are the recently discovered key modulators of gene expression in the heart which have been shown to contribute to both transcriptional and post-transcriptional regulation in diabetic cardiomyopathy. The aim of this study was to evaluate the protective effects of interval and continuous aerobic training on diabetic hearts by examining the expression of myocardial miR-126, miR-222 and miR-29a genes. Methods Thirty male wistar rats (200 ± 20 g) were randomly divided into six groups of healthy control (HC), diabetes control (DC), continuous training (CT), interval training (IT), continuous training with diabetes (CTD), and interval training with diabetes (ITD). Nicotinamide and Streptozotocin (STZ) were injected to induce type 2 diabetes. CT was performed with a speed of 10 to 22 m/min and 20 to 30 min and IT was performed with 10 to 39 m/min and total time of 15 min, five sessions per week for 6 weeks. Muscle expression of miR-126, miR-29a and miR-222 was determined by the RT-PCR method. Results The results show that gene expression of miR-126 was higher in IT (p < 0.01) compare to other groups. Also expression of miR-126 was higher in the CT compare to DC (p < 0.05) group. Gene expression of miR-222 was higher in aerobic groups than other groups (p < 0.01). Also expression of miR-222 was higher in ITD compare to the DC and CTD (p < 0.01) groups. Expression of miR-29a gene was higher in the aerobic groups compare to other groups. Also miR-29a was higher in the IT compare to CT (p < 0.01) group. Conclusion Diabetes decreased the expression of genes associated with the development of cardiac function. It seems that IT played a more effective role in cardiac protection than CT through higher miR-126, miR-222 and miR-29a gene expression.
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Affiliation(s)
- Javad Akbari
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hossein Shirvani
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Alireza Shamsoddini
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Behzad Bazgir
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mohammad Samadi
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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17
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Szeto CC, Ng JKC, Fung WWS, Chan GCK, Luk CCW, Lai KB, Wang G, Chow KM, Mac-Moune Lai F. Urinary mi-106a for the diagnosis of IgA nephropathy: Liquid biopsy for kidney disease. Clin Chim Acta 2022; 530:81-86. [DOI: 10.1016/j.cca.2022.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 11/03/2022]
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18
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Staab-Weijnitz CA. Fighting the Fiber: Targeting Collagen in Lung Fibrosis. Am J Respir Cell Mol Biol 2021; 66:363-381. [PMID: 34861139 DOI: 10.1165/rcmb.2021-0342tr] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Organ fibrosis is characterized by epithelial injury and aberrant tissue repair, where activated effector cells, mostly fibroblasts and myofibroblasts, excessively deposit collagen into the extracellular matrix. Fibrosis frequently results in organ failure and has been estimated to contribute to at least one third of all global deaths. Also lung fibrosis, in particular idiopathic pulmonary fibrosis (IPF), is a fatal disease with rising incidence worldwide. As current treatment options targeting fibrogenesis are insufficient, there is an urgent need for novel therapeutic strategies. During the last decade, several studies have proposed to target intra- and extracellular components of the collagen biosynthesis, maturation, and degradation machinery. This includes intra- and extracellular targets directly acting on collagen gene products, but also such that anabolize essential building blocks of collagen, in particular glycine and proline biosynthetic enzymes. Collagen, however, is a ubiquitous molecule in the body and fulfils essential functions as a macromolecular scaffold, growth factor reservoir, and receptor binding site in virtually every tissue. This review summarizes recent advances and future directions in this field. Evidence for the proposed therapeutic targets and where they currently stand in terms of clinical drug development for treatment of fibrotic disease is provided. The drug targets are furthermore discussed in light of (1) specificity for collagen biosynthesis, maturation and degradation, and (2) specificity for disease-associated collagen. As therapeutic success and safety of these drugs may largely depend on targeted delivery, different strategies for specific delivery to the main effector cells and to the extracellular matrix are discussed.
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Affiliation(s)
- Claudia A Staab-Weijnitz
- Helmholtz Zentrum Munchen Deutsches Forschungszentrum fur Gesundheit und Umwelt, 9150, Comprehensive Pneumology Center/Institute of Lung Biology and Disease, Member of the German Center of Lung Research (DZL), München, Germany;
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19
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Kidney Cancer and Chronic Kidney Disease: Too Close for Comfort. Biomedicines 2021; 9:biomedicines9121761. [PMID: 34944574 PMCID: PMC8699019 DOI: 10.3390/biomedicines9121761] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 12/11/2022] Open
Abstract
Kidney cancer and chronic kidney disease are two renal pathologies with very different clinical management strategies and therapeutical options. Nonetheless, the cellular and molecular mechanisms underlying both conditions are closely related. Renal physiology is adapted to operate with a limited oxygen supply, making the kidney remarkably equipped to respond to hypoxia. This tightly regulated response mechanism is at the heart of kidney cancer, leading to the onset of malignant cellular phenotypes. Although elusive, the role of hypoxia in chronic kidney diseases is emerging as related to fibrosis, a pivotal factor in decaying renal function. The present review offers a perspective on the common biological traits shared between kidney cancer and chronic kidney disease and the available and prospective therapies for both conditions.
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20
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Yang PY, Ho DCY, Chen SH, Hsieh PL, Liao YW, Tsai LL, Yu CC, Fang CY. Down-regulation of miR-29c promotes the progression of oral submucous fibrosis through targeting tropomyosin-1. J Formos Med Assoc 2021; 121:1117-1122. [PMID: 34696938 DOI: 10.1016/j.jfma.2021.10.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 09/29/2021] [Accepted: 10/06/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND/PURPOSE Various microRNAs (miRs) have been found to be associated with the development of the precancerous condition of the oral cavity, oral submucous fibrosis (OSF). The expression of miR-29c is dysregulated in oral cancer, but its role in OSF has not been investigated. The purpose of the study is to investigate the functional role of miR-29c and its target in OSF. METHODS The expression levels of miR-29c in OSF tissues and fibrotic buccal mucosal fibroblasts (fBMFs) were assessed using next-generation sequencing and real-time Polymerase Chain Reaction (PCR) analysis. MiR-29c mimic and inhibitors were employed to examine its functional role of myofibroblast transdifferentiation. In addition, several myofibroblast phenotypes, such as collagen gel contraction and migration were tested, and a luciferase reporter assay was conducted to confirm the relationship between miR-29c and its predicted target, tropomyosin-1 (TPM1). RESULTS We observed that miR-29c expression was downregulated in fBMFs. fBMFs transfected with miR-29c mimics exhibited reduced migration ability and collagen gel contractility, whereas inhibition of miR-29c in normal BMFs induced the myofibroblast phenotypes. Results from the luciferase reporter assay showed that TPM1 was a direct target of miR-29c and the expression of TPM1 was suppressed in the fBMFs transfected with miR-29c mimics. Besides, we confirmed that the expression of miR-29c was indeed downregulated in OSF specimens. CONCLUSION MiR-29c seems to exert an inhibitory effect on myofibroblast activation, such as collagen gel contractility and migration ability, via suppressing TPM1. These results suggested that approaches to upregulate miR-29c may be able to ameliorate the progression of OSF.
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Affiliation(s)
- Po-Yu Yang
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan; Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Dennis Chun-Yu Ho
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan; Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan
| | - Szu-Han Chen
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan
| | - Pei-Ling Hsieh
- Department of Anatomy, School of Medicine, China Medical University, Taichung, Taiwan
| | - Yi-Wen Liao
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Lo-Lin Tsai
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan; Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan
| | - Cheng-Chia Yu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan; Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan.
| | - Chih-Yuan Fang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan; Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan.
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21
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Sun CM, Zhang WY, Wang SY, Qian G, Pei DL, Zhang GM. Fer exacerbates renal fibrosis and can be targeted by miR-29c-3p. Open Med (Wars) 2021; 16:1378-1385. [PMID: 34595351 PMCID: PMC8439263 DOI: 10.1515/med-2021-0319] [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: 09/19/2020] [Revised: 06/05/2021] [Accepted: 06/17/2021] [Indexed: 11/15/2022] Open
Abstract
Aim Renal fibrosis (RF) is a common clinical condition leading to irreversible renal function loss. Tyrosine kinase proteins and microRNAs (miRs) are associated with pathogenesis and we aim to investigate the role of Fer and its partner miR(s) in RF. Method In silico reproduction of Mouse Kidney FibrOmics browser was performed to identify potential miR(s) and target gene(s). In vivo validation was performed in C57BL/6 mice with unilateral ureteral obstruction (UUO). In vitro validation was performed in rat kidney fibroblast NRK-49F cells. Mimics and inhibitors of miR-29c-3p were constructed. The target gene Fer was monitored by RT-PCR and western blotting. The levels of interleukin (IL)-6, IL-1β, and tumor necrosis factor (TNF)-α in serum and media were measured by ELISA. Results The Fer expression and protein level were gradually increased during 14 days of UUO modeling. miR-29c-3p expression was strongly correlated with that of Fer. In vivo validation showed increased expressions of fibrosis-associated genes and increased phospoho-Smad3 level in the UUO model. Fer-knockdown (KD) significantly decreased expressions of fibrosis-associated genes. Pharmaceutical inhibition of Fer showed similar effects to miR-29c-3p, and miR inhibition showed a significant decrease of excretion of inflammatory factors. Conclusion Dysregulation of miR-29c-3p and Fer plays a role in RF. Pharmaceutical or genetic inhibition of Fer may serve as the potential treatment for RF.
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Affiliation(s)
- Chen-Min Sun
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Wen-Yi Zhang
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Shu-Yan Wang
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Gang Qian
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Dong-Liang Pei
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Guang-Ming Zhang
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
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22
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Abstract
IgA nephropathy (IgAN) is the most common primary glomerulonephritis worldwide. It is considered that the pathogenesis of IgAN involves the ‘multiple hit theory’ and the immune-inflammatory mechanism; however, these theories have certain limitations. The gold standard for diagnosing IgAN is still renal biopsy. Although renal biopsy is accurate, it is traumatic and is associated with some risks and limitations, so there is a need for non-invasive diagnostic methods. According to recent studies, microRNAs (miRNAs) play important roles in the occurrence and development of IgAN; thus, they provide the possibility of the noninvasive diagnosis of IgAN and also have some value in predicting prognosis. This review summarizes the current research status of miRNAs in the occurrence, development, diagnosis, and prognosis of IgAN. We also highlight some interesting and challenging points that require further study.
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Affiliation(s)
- Xingchen Yao
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,The Renal Research Institution, Zhengzhou University, Zhengzhou, China
| | - Yaling Zhai
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,The Renal Research Institution, Zhengzhou University, Zhengzhou, China
| | - Huanping An
- Medicine Experiment Center, Hanzhong Vocational and Technical College, Hanzhong, China
| | - Jingge Gao
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,The Renal Research Institution, Zhengzhou University, Zhengzhou, China
| | - Yazhuo Chen
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,The Renal Research Institution, Zhengzhou University, Zhengzhou, China
| | - Wenhui Zhang
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,The Renal Research Institution, Zhengzhou University, Zhengzhou, China
| | - Zhanzheng Zhao
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,The Renal Research Institution, Zhengzhou University, Zhengzhou, China
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23
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A small-molecule inhibitor of hypoxia-inducible factor prolyl hydroxylase improves obesity, nephropathy and cardiomyopathy in obese ZSF1 rats. PLoS One 2021; 16:e0255022. [PMID: 34339435 PMCID: PMC8328318 DOI: 10.1371/journal.pone.0255022] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 07/08/2021] [Indexed: 12/18/2022] Open
Abstract
Prolyl hydroxylase (PH) enzymes control the degradation of hypoxia-inducible factor (HIF), a transcription factor known to regulate erythropoiesis, angiogenesis, glucose metabolism, cell proliferation, and apoptosis. HIF-PH inhibitors (HIF-PHIs) correct anemia in patients with renal disease and in animal models of anemia and kidney disease. However, the effects of HIF-PHIs on comorbidities associated with kidney disease remain largely unknown. We evaluated the effects of the HIF-PHI FG-2216 in obese ZSF1 (Ob-ZSF1) rats, an established model of kidney failure with metabolic syndrome. Following unilateral nephrectomy (Nx) at 8 weeks of age, rats were treated with 40 mg/kg FG-2216 or vehicle by oral gavage three times per week for up to 18 weeks. FG-2216 corrected blood hemoglobin levels and improved kidney function and histopathology in Nx-Ob-ZSF1 rats by increasing the glomerular filtration rate, decreasing proteinuria, and reducing peritubular fibrosis, tubular damage, glomerulosclerosis and mesangial expansion. FG-2216 increased renal glucose excretion and decreased body weight, fat pad weight, and serum cholesterol in Nx-Ob-ZSF1 rats. Additionally, FG-2216 corrected hypertension, improved diastolic and systolic heart function, and reduced cardiac hypertrophy and fibrosis. In conclusion, the HIF-PHI FG-2216 improved renal and cardiovascular outcomes, and reduced obesity in a rat model of kidney disease with metabolic syndrome. Thus, in addition to correcting anemia, HIF-PHIs may provide renal and cardiac protection to patients suffering from kidney disease with metabolic syndrome.
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24
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Li Y, Xia M, Peng L, Liu H, Chen G, Wang C, Yuan D, Liu Y, Liu H. Downregulation of miR‑214-3p attenuates mesangial hypercellularity by targeting PTEN‑mediated JNK/c-Jun signaling in IgA nephropathy. Int J Biol Sci 2021; 17:3343-3355. [PMID: 34512151 PMCID: PMC8416718 DOI: 10.7150/ijbs.61274] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 07/21/2021] [Indexed: 01/05/2023] Open
Abstract
Mesangial cell (MC) proliferation and matrix expansion are basic pathological characteristics of IgA nephropathy (IgAN). However, the stepwise mechanism of MC proliferation and the exact set of related signaling molecules remain largely unclear. In this study, we found a significant upregulation of miR-214-3p in the renal cortex of IgAN mice by miRNA sequencing. In situ hybridization analysis showed that miR-214-3p expression was obviously elevated in MCs in the renal cortex in IgAN. Functionally, knockdown of miR-214-3p alleviated mesangial hypercellularity and renal lesions in IgAN mice. In vitro, the inhibition of miR-214-3p suppressed MC proliferation and arrested G1-S cell cycle pSrogression in IgAN. Mechanistically, a luciferase reporter assay verified PTEN as a direct target of miR-214-3p. Downregulation of miR-214-3p increased PTEN expression and reduced p-JNK and p-c-Jun levels, thereby inhibiting MC proliferation and ameliorating renal lesions in IgAN. Moreover, these changes could be attenuated by co-transfection with PTEN siRNA. Collectively, these results illustrated that miR-214-3p accelerated MC proliferation in IgAN by directly targeting PTEN to modulate JNK/c-Jun signaling. Therefore, miR-214-3p may represent a novel therapeutic target for IgAN.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Hong Liu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
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25
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Farzamikia N, Baradaran B, Mostafavi S, Ahmadian E, Hosseiniyan Khatibi SM, Zununi Vahed S, Ardalan M. Podocyte-derived microparticles in IgA nephropathy. Biomed Pharmacother 2021; 141:111891. [PMID: 34237594 DOI: 10.1016/j.biopha.2021.111891] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/06/2021] [Accepted: 06/28/2021] [Indexed: 12/21/2022] Open
Abstract
Microparticles are a general term for different types of cell plasma membrane-originated vesicles that are released into the extracellular environment. The paracrine action of these nano-sized vesicles is crucial for intercellular communications through the transfer of diverse lipids, cytosolic proteins, RNA as well as microRNAs. The progression of different diseases influences the composition, occurrence, and functions of these cell-derived particles. Podocyte injury has been shown to have an important role in the pathophysiology of many glomerular diseases including IgA nephropathy (IgAN). This review would focus on the possible potential of podocyte-derived microparticles detected in urine to be used as a diagnostic tool in IgAN.
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Affiliation(s)
- Negin Farzamikia
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soroush Mostafavi
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Ahmadian
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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26
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Effects of HIF-1α on renal fibrosis in cisplatin-induced chronic kidney disease. Clin Sci (Lond) 2021; 135:1273-1288. [PMID: 33997886 DOI: 10.1042/cs20210061] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 05/11/2021] [Accepted: 05/17/2021] [Indexed: 12/20/2022]
Abstract
Cisplatin (Cis) can cause chronic kidney disease (CKD) and promote renal fibrosis, but the underlying mechanism is not fully understood. Hypoxia inducible factor-1α (HIF-1α) can promote renal fibrosis in some kidney diseases, but its role in Cis-induced CKD is still unknown. Notch-1 is a recognized molecule that promotes renal fibrosis under pathological circumstances, and evidence shows that HIF-1α and Notch-1 are closely related to each other. In the present study, mice with HIF-1α gene knockout in proximal tubular cells (PTCs) (PT-HIF-1α-KO) were generated and treated with Cis to induce CKD. A human proximal tubular cell line (HK-2) and primary mouse PTCs were used for in vitro studies. The results showed that HIF-1α was increased in the kidneys of Cis-treated wild-type mice, accompanied by elevated Notch-1, Notch-1 intracellular domain (N1ICD), Hes-1 and renal fibrosis. However, these alterations were partially reversed in PT-HIF-1α-KO mice. Similar results were observed in HK-2 cells and primary mouse PTCs. In addition, treating the cells with Cis induced a marked interaction of HIF-1α and N1ICD. Further inhibiting Notch-1 significantly reduced cellular fibrogenesis but did not affect HIF-1α expression. The data suggested that HIF-1α could promote renal fibrosis in Cis-induced CKD by activating Notch-1 both transcriptionally and post-transcriptionally and that HIF-1α may serve as a potential therapeutic target for Cis-induced CKD.
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27
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Zhang Y, Ma L, Peng M, Wang L. Effects of the miR-29c/PTEN axis on the PI3 K/Akt/NF-kB pathway in a rat model of severe pneumonia. ALL LIFE 2021. [DOI: 10.1080/26895293.2021.1922511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Yun Zhang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, People’s Republic of China
| | - Lei Ma
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, People’s Republic of China
| | - Miaomiao Peng
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, People’s Republic of China
| | - Lei Wang
- Department of Critical Care Medicine, Zibo Central Hospital, Zibo, People’s Republic of China
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28
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Luan R, Tian G, Ci X, Zheng Q, Wu L, Lu X. Differential expression analysis of urinary exosomal circular RNAs in patients with IgA nephropathy. Nephrology (Carlton) 2021; 26:432-441. [PMID: 33501721 DOI: 10.1111/nep.13855] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 01/14/2021] [Accepted: 01/18/2021] [Indexed: 12/13/2022]
Affiliation(s)
- Rumei Luan
- Department of Nephrology The Second Hospital of Jilin University Changchun China
| | - Geng Tian
- Department of Gynaecology and Obstetrics The Second Hospital of Jilin University Changchun China
| | - Xin Ci
- Department of Nephrology The Second Hospital of Jilin University Changchun China
| | - Qian Zheng
- Department of Nephrology The Second Hospital of Jilin University Changchun China
| | - Linlin Wu
- Department of Nephrology The Second Hospital of Jilin University Changchun China
| | - Xuehong Lu
- Department of Nephrology The Second Hospital of Jilin University Changchun China
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29
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Horita M, Farquharson C, Stephen LA. The role of miR-29 family in disease. J Cell Biochem 2021; 122:696-715. [PMID: 33529442 PMCID: PMC8603934 DOI: 10.1002/jcb.29896] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/05/2021] [Accepted: 01/10/2021] [Indexed: 02/06/2023]
Abstract
MicroRNAs are small noncoding RNAs that can bind to the target sites in the 3’‐untranslated region of messenger RNA to regulate posttranscriptional gene expression. Increasing evidence has identified the miR‐29 family, consisting of miR‐29a, miR‐29b‐1, miR‐29b‐2, and miR‐29c, as key regulators of a number of biological processes. Moreover, their abnormal expression contributes to the etiology of numerous diseases. In the current review, we aimed to summarize the differential expression patterns and functional roles of the miR‐29 family in the etiology of diseases including osteoarthritis, osteoporosis, cardiorenal, and immune disease. Furthermore, we highlight the therapeutic potential of targeting members of miR‐29 family in these diseases. We present miR‐29s as promoters of osteoblast differentiation and apoptosis but suppressors of chondrogenic and osteoclast differentiation, fibrosis, and T cell differentiation, with clear avenues for therapeutic manipulation. Further research will be crucial to identify the precise mechanism of miR‐29 family in these diseases and their full potential in therapeutics.
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Affiliation(s)
- Masahiro Horita
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, Scotland, UK
| | - Colin Farquharson
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, Scotland, UK
| | - Louise A Stephen
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, Scotland, UK
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30
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Zhang Y, Zhang GX, Che LS, Shi SH, Li YT. miR‑212 promotes renal interstitial fibrosis by inhibiting hypoxia‑inducible factor 1‑α inhibitor. Mol Med Rep 2021; 23:189. [PMID: 33495813 PMCID: PMC7809912 DOI: 10.3892/mmr.2021.11828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 08/18/2020] [Indexed: 12/19/2022] Open
Abstract
Renal interstitial fibrosis is one of the common causes, and a major pathological basis for the development of various types of chronic progressive renal to end-stage renal diseases. Therefore, it is important to clarify the underlying mechanisms of disease progression in order to develop effective strategies for the treatment and prevention of these pathologies. The aim of the present study was to investigate the association between microRNA (miR)-212 expression and the development of renal interstitial fibrosis, as well as analyzing the role of miR-212 in the disease. The expression of miR-212 was significantly increased in the peripheral blood of patients with renal interstitial fibrosis and in the kidney tissues of unilateral ureteral obstruction (UUO) mice. Angiotensin (Ang) II, TGF-β1 and hypoxia were found to increase the expression of miR-212 and α smooth muscle actin (α-SMA) in NRK49F cells. Ang II stimulation induced the expression of miR-212 and α-SMA in NRK49F cells, while transfection of miR-212 mimics further upregulated the expression of α-SMA. miR-212 was also revealed to target hypoxia-inducible factor 1α inhibitor (HIF1AN) and to upregulate the expression of hypoxia-inducible factor 1α, α-SMA, connective tissue growth factor, collagen α-1(I) chain and collagen α-1(III) chain, whereas HIF1AN overexpression reversed the regulatory effects of miR-212. In UUO mice, miR-212 overexpression promoted the progression of renal interstitial fibrosis, whereas inhibiting miR-212 resulted in the opposite effect. These results indicated that high expression of miR-212 was closely associated with the occurrence of renal interstitial fibrosis, and that miR-212 may promote its development by targeting HIF1AN.
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Affiliation(s)
- Yun Zhang
- Department of Renal Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Guo-Xin Zhang
- Department of Geriatrics, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Li-Shuang Che
- Department of Renal Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Shu-Han Shi
- Department of Renal Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Yue-Ting Li
- Department of Renal Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
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31
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Li L, Gu L, Yao Z, Wang Y, Tang Z, Wu X. Arecoline suppresses epithelial cell viability by upregulating tropomyosin-1 through the transforming growth factor-β/Smad pathway. PHARMACEUTICAL BIOLOGY 2020; 58:1244-1251. [PMID: 33332205 PMCID: PMC7751430 DOI: 10.1080/13880209.2020.1851729] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
CONTEXT Oral submucous fibrosis (OSF) is a chronic and progressive disease. Arecoline, present in betel nuts, has been proposed as a vital aetiological factor. However, the underlying mechanism remains unclear. OBJECTIVES This research elucidates the expression of tropomyosin-1 (TPM1) and its regulation mechanism in HaCaT cells treated with arecoline. MATERIALS AND METHODS HaCaT cells were assigned into three groups: (1) Control; (2) Treated with arecoline (0.16 mM) for 48 h (3) Treated with arecoline (0.16 mM) and transfected with small interfering RNA (siRNA) for TPM1 (50 nM) for 48 h. CCK8, cell cycle, and apoptosis phenotypic analyses were performed. PCR and western blot analyses were performed to detect the expression level of TPM1 and examine the related signalling pathway. RESULTS The IC50 of arecoline was approximately 50 μg/mL (0.21 mM). The arecoline dose (0.16 mM) and time (48 h) markedly increased TPM1 expression at the mRNA and protein levels in HaCaT cells. Arecoline suppressed the cell growth, caused cell cycle arrest at the G1 phase, and induced cell apoptosis in HaCaT cells. siRNA-mediated knockdown of TPM1 attenuated the effect of arecoline on cell proliferation, apoptosis, and cell cycle arrest at the G1 phase. Furthermore, blocking of the transforming growth factor (TGF)-β receptor using SB431542 significantly suppressed TPM1 expression in the cells treated with arecoline. DISCUSSION AND CONCLUSIONS Arecoline suppresses HaCaT cell viability by upregulating TPM1 through the TGF-β/Smad signalling pathway. This research provides a scientific basis for further study of arecoline and TPM1 in OSF and can be generalised to broader pharmacological studies. TPM1 may be a promising molecular target for treating OSF.
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Affiliation(s)
- Long Li
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
- Department of Pathology, School of Basic Medical Science, Central South University, Changsha, China
| | - Liqun Gu
- Xiangya Stomatological Hospital, Central South University, Changsha, China
- Xiangya School of Stomatology, Central South University, Changsha, China
| | - Zhigang Yao
- Xiangya Stomatological Hospital, Central South University, Changsha, China
- Xiangya School of Stomatology, Central South University, Changsha, China
| | - Yuehong Wang
- Xiangya Stomatological Hospital, Central South University, Changsha, China
- Xiangya School of Stomatology, Central South University, Changsha, China
| | - Zhangui Tang
- Xiangya Stomatological Hospital, Central South University, Changsha, China
- Xiangya School of Stomatology, Central South University, Changsha, China
- Zhangui Tang Xiangya Stomatological Hospital, Central South University, Changsha, Hunan, China
| | - Xiaoying Wu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
- Department of Pathology, School of Basic Medical Science, Central South University, Changsha, China
- CONTACT Xiaoying Wu Department of Pathology, Xiangya Hospital, Central South University, Changsha410013, China
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32
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Hu SL, Wang D, Yuan FL, Lei QF, Zhang Y, Cheng JZ. Identification of key genes and pathways in IgA nephropathy using bioinformatics analysis. Medicine (Baltimore) 2020; 99:e21372. [PMID: 32791747 PMCID: PMC7386957 DOI: 10.1097/md.0000000000021372] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND IgA nephropathy (IgAN) is the most frequent type of primary glomerulonephritis globally and the leading cause of end-stage renal disease in young adults. Its pathogenesis is not fully known, but is largely attributed to genetic factors. This study was aimed to explore the prognostic values of key genes in IgAN. METHODS The gene expression profile GSE93798 of 20 IgAN samples and 22 normal samples using glomeruli from kidney biopsy was adopted. Totally 447 upregulated and 719 downregulated differentially expressed genes were found in IgAN patients on the R software. The Gene Ontology enrichment and the Kyoto Encyclopedia of Gene and Genomes pathway were investigated on DAVID, and the protein-protein interaction network and the top 13 hub genes of the differentially expressed genes were built via the plug-in molecular complex detection and cytoHubba of Cytoscape. RESULTS From the protein-protein interaction network, of the top 13 hub genes, FOS, EGFR, SIRT1, ALB, TFRC, JUN, IGF1, HIF1A, and SOCS3 were upregulated, while CTTN, ACTR2, CREB1, and CTNNB1 were downregulated. The upregulated genes took part in the HIF-1 signaling pathway, Choline metabolism in cancer, Pathways in cancer, Amphetamine addiction, Estrogen, TNF, and FoxO signaling pathways, and Osteoclast differentiation, while the downregulated genes were involved in Pathogenic Escherichia coli infection, Bacterial invasion of epithelial cells, prostate cancer, and melanogenesis. CONCLUSION This study based on the Gene Expression Omnibus database updates the knowledge about the mechanism of IgAN and may offer new treatment targets.
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Affiliation(s)
| | - Dan Wang
- Central Laboratory, The First Hospital of Yangtze University
| | | | | | - Yong Zhang
- Division of Nephrology, Jianli County People's Hospital, Hubei, Jingzhou, China
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33
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Faivre A, Scholz CC, de Seigneux S. Hypoxia in chronic kidney disease: towards a paradigm shift? Nephrol Dial Transplant 2020; 36:1782-1790. [PMID: 33895835 DOI: 10.1093/ndt/gfaa091] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Indexed: 11/15/2022] Open
Abstract
Chronic kidney disease (CKD) is defined as an alteration of kidney structure and/or function lasting for >3 months [1]. CKD affects 10% of the general adult population and is responsible for large healthcare costs [2]. Since the end of the last century, the role of hypoxia in CKD progression has controversially been discussed. To date, there is evidence of the presence of hypoxia in late-stage renal disease, but we lack time-course evidence, stage correlation and also spatial co-localization with fibrotic lesions to ensure its causative role. The classical view of hypoxia in CKD progression is that it is caused by peritubular capillary alterations, renal anaemia and increased oxygen consumption regardless of the primary injury. In this classical view, hypoxia is assumed to further induce pro-fibrotic and pro-inflammatory responses, as well as oxidative stress, leading to CKD worsening as part of a vicious circle. However, recent investigations tend to question this paradigm, and both the presence of hypoxia and its role in CKD progression are still not clearly demonstrated. Hypoxia-inducible factor (HIF) is the main transcriptional regulator of the hypoxia response. Genetic HIF modulation leads to variable effects on CKD progression in different murine models. In contrast, pharmacological modulation of the HIF pathway [i.e. by HIF hydroxylase inhibitors (HIs)] appears to be generally protective against fibrosis progression experimentally. We here review the existing literature on the role of hypoxia, the HIF pathway and HIF HIs in CKD progression and summarize the evidence that supports or rejects the hypoxia hypothesis, respectively.
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Affiliation(s)
- Anna Faivre
- Department of Cell physiology and Metabolism, University of Geneva, Geneva, Switzerland
| | - Carsten C Scholz
- Institute of Physiology, University of Zurich, Zurich, Switzerland.,National Centre of Competence in Research "Kidney.CH", Zurich, Switzerland
| | - Sophie de Seigneux
- Department of Cell physiology and Metabolism, University of Geneva, Geneva, Switzerland.,National Centre of Competence in Research "Kidney.CH", Zurich, Switzerland.,Department of Medicine, Service of Nephrology, Geneva University Hospitals, Geneva, Switzerland
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34
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Liu Z, Jiang J, Dai W, Wei H, Zhang X, Yang Z, Xiong Y. MicroRNA-674-5p induced by HIF-1α targets XBP-1 in intestinal epithelial cell injury during endotoxemia. Cell Death Discov 2020; 6:44. [PMID: 32550011 PMCID: PMC7272402 DOI: 10.1038/s41420-020-0280-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/30/2020] [Accepted: 05/19/2020] [Indexed: 01/15/2023] Open
Abstract
Intestinal mucosal integrity dysfunction during endotoxemia can contribute to translocation of intestinal bacteria and a persistent systemic inflammatory response, which both fuel the pathophysiological development of sepsis or endotoxemia. The pathogenesis of intestinal damage induced by endotoxemia remains poorly understood. Here, we identified the microRNA (miR)-674-5p/X-box binding protein 1 (XBP-1) axis as a critical regulator and therapeutic target in preventing intestinal crypt cell proliferation during endotoxemia. MiR-674-5p was markedly increased in intestinal epithelial cells (IECs) during endotoxemia and its induction depended on hypoxia-inducible factor-1α (HIF-1α). Intriguingly, gene expression microanalysis revealed that expression of XBP-1 was down-regulated in IECs with over-expression of miR-674-5p. miR-674-5p was found to directly target XBP-1 protein expression. Upon in vitro, anti-miR-674-5p enhanced sXBP-1 expression and facilitated intestinal crypt cell proliferation. Blockade of miR-674-5p promoted XBP-1 activity, attenuated intestinal inflammation, and expedited intestinal regeneration, resulting in protection against endotoxemia-induced intestinal injury in mice. More importantly, the survival in endotoxemia mice was significantly improved by inhibiting intestinal miR-674-5p. Collectively, these data indicate that control of a novel miR-674-5p/XBP-1 signaling axis may mitigate endotoxemia -induced intestinal injury.
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Affiliation(s)
- Zhihao Liu
- Division of Emergency Medicine, Department of General Internal Medicine, Department of Emergency Intensive Care Unit, The First Affiliated Hospital of Sun Yat-sen University, No.58, Zhongshan 2nd Road, 510080 Guangzhou, China
| | - Jie Jiang
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, No.600, Tianhe Road, 510360 Guangzhou, China
| | - Weigang Dai
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, No.58, Zhongshan 2nd Road, 510080 Guangzhou, China
| | - Hongyan Wei
- Division of Emergency Medicine, Department of General Internal Medicine, Department of Emergency Intensive Care Unit, The First Affiliated Hospital of Sun Yat-sen University, No.58, Zhongshan 2nd Road, 510080 Guangzhou, China
| | - Xiaofei Zhang
- Department of Critical Care Medicine, The Sixth Affiliated Hospital of Sun Yat-sen University, No.26, YuanCunErHeng Road, 510655 Guangzhou, China
| | - Zhen Yang
- Division of Emergency Medicine, Department of General Internal Medicine, Department of Emergency Intensive Care Unit, The First Affiliated Hospital of Sun Yat-sen University, No.58, Zhongshan 2nd Road, 510080 Guangzhou, China
| | - Yan Xiong
- Division of Emergency Medicine, Department of General Internal Medicine, Department of Emergency Intensive Care Unit, The First Affiliated Hospital of Sun Yat-sen University, No.58, Zhongshan 2nd Road, 510080 Guangzhou, China
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Rayego-Mateos S, Valdivielso JM. New therapeutic targets in chronic kidney disease progression and renal fibrosis. Expert Opin Ther Targets 2020; 24:655-670. [PMID: 32338087 DOI: 10.1080/14728222.2020.1762173] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION The current therapeutic armamentarium to prevent chronic kidney disease (CKD) progression is limited to the control of blood pressure and in diabetic patients, the strict control of glucose levels. Current research is primarily focused on the reduction of inflammation and fibrosis at different levels. AREAS COVERED This article examines the latest progress in this field and places an emphasis on inflammation, oxidative stress, and fibrosis. New therapeutic targets are described and evidence from experimental and clinical studies is summarized. We performed a search in Medline for articles published over the last 10 years. EXPERT OPINION The search for therapeutic targets of renal inflammation is hindered by an incomplete understanding of the pathophysiology. The determination of the specific inducers of inflammation in the kidney is an area of heightened potential. Prevention of the progression of renal fibrosis by blocking TGF-β signaling has been unsuccessful, but the investigation of signaling pathways involved in late stages of fibrosis progression could yield improved results. Preventive strategies such as the modification of microbiota-inducers of uremic toxins involved in CKD progression is a promising field because of the interaction between the gut microbiota and the renal system.
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Affiliation(s)
- Sandra Rayego-Mateos
- Red De Investigación Renal (Redinren) , Spain.,Vascular and Renal Translational Research Group, Institut De Recerca Biomèdica De Lleida IRBLleida , Lleida, Spain
| | - Jose M Valdivielso
- Red De Investigación Renal (Redinren) , Spain.,Vascular and Renal Translational Research Group, Institut De Recerca Biomèdica De Lleida IRBLleida , Lleida, Spain
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Zhou T, Lin W, Lin S, Zhong Z, Luo Y, Lin Z, Xie W, Shen W, Hong K. Association of Nuclear Receptor Coactivators with Hypoxia-Inducible Factor-1 α in the Serum of Patients with Chronic Kidney Disease. BIOMED RESEARCH INTERNATIONAL 2020; 2020:1587915. [PMID: 32884936 PMCID: PMC7455818 DOI: 10.1155/2020/1587915] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/29/2020] [Accepted: 08/04/2020] [Indexed: 02/07/2023]
Abstract
Nuclear receptor coactivators (NCOAs), consisting of coactivators and corepressors, dramatically enhance the transcriptional activity of nuclear receptors. Hypoxia-inducible factor-1α (HIF-1α) is a transcription factor that plays a major role under hypoxic conditions. This study was performed with the focus on the association of NCOAs with HIF-1α in the serum of chronic kidney disease (CKD) patients. Sixty patients with stage 5 CKD and 30 healthy controls from The Second Affiliated Hospital of Shantou University Medical College, between March 21, 2019, and October 30, 2019, were recruited in this prospective cohort study. We analyzed the serum levels of NCOAs (NCOA1, NCOA2, and NCOA3), HIF-1α, vascular endothelial growth factor (VEGF), etc. and assessed whether there was any relationship between these parameters and CKD disease. We found that circulating NCOA1 was positively associated with circulating NCOA2, NCOA3, and HIF-1α. A positive correlation was also observed between NCOA2 and NCOA1, NCOA3, HIF-1α, and VEGF. Furthermore, statistically significant correlations between NCOA3 and NCOA1, NCOA2, and HIF-1α were observed. The serum levels of VEGF in the CKD group were higher than those of the healthy control group. Circulating NCOA1 and circulating NCOA2 were negatively associated with procalcitonin. In conclusion, there was an association between circulating NCOA1, NCOA2, NCOA3, and circulating HIF-1α, and circulating VEGF was a risk factor for CKD disease. However, more studies should be performed to confirm this hypothesis.
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Affiliation(s)
- Tianbiao Zhou
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Wenshan Lin
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Shujun Lin
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Zhiqing Zhong
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Yuanyuan Luo
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Zhijun Lin
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Weiji Xie
- Department of Nephrology, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Weitao Shen
- Department of Clinical Laboratory, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
| | - Kai Hong
- Department of Clinical Laboratory, The Second Affiliated Hospital, Shantou University Medical College, 515041 Shantou, China
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Wang J, Chai L, Lu Y, Lu H, Liu Y, Zhang Y. Attenuation of mTOR Signaling Is the Major Response Element in the Rescue Pathway of Chronic Kidney Disease in Rats. Neuroimmunomodulation 2020; 27:9-18. [PMID: 32526762 DOI: 10.1159/000505095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 11/28/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Modern lifestyle changes and the interlinking of non-communicable diseases result in the development of chronic kidney disease (CKD). While research has focused on attenuating the CKD, the role of mTOR in the progression of CKD is still unclear. OBJECTIVES The current investigation was undertaken to study the role of mTOR-mediated signaling in CKD using Wistar male rats and adenine-induced CKD as an experimental model. METHOD The animals were divided into 3 groups, representing control, CKD, and rapamycin-pretreated rats. At the end of the experimental period, blood biochemical indexes on kidney function and expression levels of fibrotic markers, including TGF-β, PAI-1, α-smooth muscle action, fibronectin, CTGF, and collagen-1, were analyzed. In addition, kidney injury markers such as kim-1, cystatin-C, NAG, and NGAL, indicating a progressive fibrotic response, were also studied. RESULTS The results suggest that mTOR inhibition significantly attenuated the induction of fibrosis, with restored serum creatinine and blood urea nitrogen levels. Intriguingly, the microRNA (miRNA) analysis revealed an increased expression of miR-193-5p, miR-221, miR-212, and miR-183-5p in CKD, while an increased mRNA expression of anti-inflammatory cytokines and reduced level of pS6K with attenuated miRNA was found in rapamycin-treated rats compared to the CKD animals. CONCLUSION Activation of mTOR is the major responsive element with activation of miRNAs as an elementary role in the progression of kidney disease. Hence, targeting mTOR would be a possible strategy of treatment for CKD.
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Affiliation(s)
- Jing Wang
- Department of Nephrology, Xingtai People's Hospital, Xingtai, China
| | - Lichao Chai
- Department of Nuclear Medicine, Xingtai People's Hospital, Xingtai, China,
| | - Yi Lu
- Department of Endocrinology, Xingtai People's Hospital, Xingtai, China
| | - Hua Lu
- Department of Nephrology, Xingtai People's Hospital, Xingtai, China
| | - Yanling Liu
- Department of Nephrology, Xingtai People's Hospital, Xingtai, China
| | - Yingying Zhang
- Department of Oncology, Affiliated Hospital of Hebei University of Engineering, Handan, China
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Wakashima T, Tanaka T, Fukui K, Komoda Y, Shinozaki Y, Kobayashi H, Matsuo A, Nangaku M. JTZ-951, an HIF prolyl hydroxylase inhibitor, suppresses renal interstitial fibroblast transformation and expression of fibrosis-related factors. Am J Physiol Renal Physiol 2019; 318:F14-F24. [PMID: 31630548 DOI: 10.1152/ajprenal.00323.2019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Some preceding studies have provided evidence that hypoxia-inducible factor (HIF)-prolyl hydroxylase (PH) inhibitors have therapeutic potential against tubular interstitial fibrosis (TIF). Recently, transformation of renal interstitial fibroblasts (RIFs) into α-smooth muscle actin-positive myofibroblasts with loss of their hypoxia-inducible erythropoietin (EPO) expression has been hypothesized as the central mechanism responsible for TIF with renal anemia (the RIF hypothesis). These reports have suggested that HIF-PH inhibitors may suppress TIF via suppressing transformation of RIFs. However, the direct effect of HIF-PH inhibitors on transformation of RIFs has not been demonstrated because there has been no appropriate assay system. Here, we established a novel in vitro model of the transformation of RIFs. This model expresses key phenotypic changes such as transformation of RIFs accompanied by loss of their hypoxia-inducible EPO expression, as proposed by the RIF hypothesis. Using this model, we demonstrated that JTZ-951, a newly developed HIF-PH inhibitor, stabilized HIF protein in RIFs, suppressed transformation of RIFs, and maintained their hypoxia-inducible EPO expression. JTZ-951 also suppressed the expression of FGF2, FGF7, and FGF18, which are upregulated during transformation of RIFs. Furthermore, expression of Fgf2, Fgf7, and Fgf18 was correlated with TIF in an animal model of TIF. We also demonstrated that not only FGF2, which is a well-known growth-promoting factor, but also FGF18 promoted proliferation of RIFs. These data suggest that JTZ-951 has therapeutic potential against TIF with renal anemia. Furthermore, FGF2, FGF7, and FGF18, which faithfully reflect the anti-TIF effects of JTZ-951, have potential as TIF biomarkers.
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Affiliation(s)
- Takeshi Wakashima
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Tokyo, Japan.,Biological and Pharmacological Laboratories, Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Osaka, Japan
| | - Tetsuhiro Tanaka
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Kenji Fukui
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Tokyo, Japan.,Biological and Pharmacological Laboratories, Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Osaka, Japan
| | - Yasumasa Komoda
- Biological and Pharmacological Laboratories, Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Osaka, Japan
| | - Yuichi Shinozaki
- Biological and Pharmacological Laboratories, Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Osaka, Japan
| | - Hatsue Kobayashi
- Biological and Pharmacological Laboratories, Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Osaka, Japan
| | - Akira Matsuo
- Biological and Pharmacological Laboratories, Central Pharmaceutical Research Institute, Japan Tobacco, Inc., Osaka, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Tokyo, Japan
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Abstract
As one type of the most common endogenous short noncoding RNAs (ncRNAs), microRNAs (miRNAs) act as posttranscriptional regulators of gene expression and have great potential biological functions in the physiological and pathological processes of various diseases. The role of miRNAs in renal fibrosis has also attracted great attention in the previous 20 years, and new therapeutic strategies targeting miRNAs appear to be promising. Some researchers have previously reviewed the roles of miRNA in renal fibrosis disease, but numerous studies have emerged over the recent 5 years. It is necessary to update and summarize research progress in miRNAs in renal fibrosis. Thus, in this review, we summarize progress in miRNA-mediated renal fibrosis over the last 5 years and evaluate the biological functions of some miRNAs in different stages of renal fibrosis. Furthermore, we also expound the recent clinical applications of these miRNAs to provide new insights into the treatment of renal fibrosis disease.
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Affiliation(s)
- Youling Fan
- Department of Anesthesiology, The First People's Hospital of Kashgar, Xinjiang Province, China.,Department of Anesthesiology, Panyu Central Hospital, Guangzhou, Guangdong Province, China
| | - Hongtao Chen
- Department of Anesthesiology, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong Province, China
| | - Zhenxing Huang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, Guangdong Province, China
| | - Hong Zheng
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang Province, China
| | - Jun Zhou
- Department of Anesthesiology, The third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
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40
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Zhou H, Gao L, Yu Z, Hong S, Zhang Z, Qiu Z. LncRNA HOTAIR promotes renal interstitial fibrosis by regulating Notch1 pathway via the modulation of miR‐124. Nephrology (Carlton) 2019; 24:472-480. [PMID: 29717517 DOI: 10.1111/nep.13394] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Hao Zhou
- Department of UrologyThe Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province) Fuzhou China
| | - Lin Gao
- Department of UrologyThe Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province) Fuzhou China
| | - Zuo‐hua Yu
- Department of UrologyThe Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province) Fuzhou China
| | - Shi‐jun Hong
- Department of UrologyThe Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province) Fuzhou China
| | - Zhi‐wei Zhang
- Department of ResearchBeijing Zhong Jian Dong Ke Company Beijing China
| | - Zhen‐zhen Qiu
- Department of Physical EducationMinjiang University Fuzhou China
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Szeto CC, Wang G, Ng JKC, Kwan BCH, Mac-Moune Lai F, Chow KM, Luk CCW, Lai KB, Li PKT. Urinary miRNA profile for the diagnosis of IgA nephropathy. BMC Nephrol 2019; 20:77. [PMID: 30832601 PMCID: PMC6399975 DOI: 10.1186/s12882-019-1267-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 02/25/2019] [Indexed: 12/31/2022] Open
Abstract
Background IgA nephropathy (IgAN) is the most common primary glomerulonephritis worldwide. Urinary micro-RNA (miRNA) level is increasingly reported to as non-invasive markers of various kidney diseases. We aim to identify urinary miRNA targets for the diagnosis of IgAN. Methods In the development cohort, we performed complete miRNA profiling of urinary sediment in 22 patients with IgAN and 11 healthy controls (CTL). Potential miRNA targets were quantified by a separate validation cohort of 33 IgAN patients and 9 healthy controls. Results In the development cohort, we identified 39 miRNA targets that have significantly different expression between IgAN and CTL (14 up-regulated, and 25 down-regulated). Among the 8 miRNA targets chosen for validation study, urinary miR-204, miR-431 and miR-555 remained significantly reduced, and urinary miR-150 level was significantly increased in the IgAN as compared to CTL. The area-under-curve of the receiver operating characteristic (ROC) curve for urinary mi-204 level for the diagnosis of IgAN was 0.976, and the diagnostic performance of combining additional miRNA targets was not further improved. At the cut-off 1.70 unit, the sensitivity and specificity of urinary miR-204 was 100 and 55.5%, respectively, for diagnosing IgAN. Conclusions Urinary miR-150, miR-204, miR-431 and miR-555 levels are significantly different between IgAN and healthy controls; urinary miR-204 level alone has the best diagnostic accuracy. Electronic supplementary material The online version of this article (10.1186/s12882-019-1267-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Cheuk-Chun Szeto
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.
| | - Gang Wang
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.,Division of Nephrology, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Jack Kit-Chung Ng
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Bonnie Ching-Ha Kwan
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Fernand Mac-Moune Lai
- Department of Anatomical & Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Kai-Ming Chow
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Cathy Choi-Wan Luk
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Ka-Bik Lai
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Philip Kam-Tao Li
- Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
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Zhao J, Meng M, Zhang J, Li L, Zhu X, Zhang L, Wang C, Gao M. Astaxanthin ameliorates renal interstitial fibrosis and peritubular capillary rarefaction in unilateral ureteral obstruction. Mol Med Rep 2019; 19:3168-3178. [PMID: 30816496 PMCID: PMC6423568 DOI: 10.3892/mmr.2019.9970] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 01/29/2019] [Indexed: 12/22/2022] Open
Abstract
Loss of peritubular capillaries is a notable feature of progressive renal interstitial fibrosis. Astaxanthin (ASX) is a natural carotenoid with various biological activities. The present study aimed to evaluate the effect of ASX on unilateral ureteral obstruction (UUO)‑induced renal fibrosis in mice. For that purpose, mice were randomly divided into five treatment groups: Sham, ASX 100 mg/kg, UUO, UUO + ASX 50 mg/kg and UUO + ASX 100 mg/kg. ASX was administered to the mice for 7 or 14 days following UUO. The results demonstrated that UUO‑induced histopathological changes in the kidney tissue were prevented by ASX. Renal function was improved by ASX treatment, as evidenced by decreased blood urea nitrogen and serum creatinine levels. Furthermore, the extent of renal fibrosis and collagen deposition induced by UUO was suppressed by ASX. The levels of collagen I, fibronectin and α‑smooth muscle actin were increased by UUO in mice or by transforming growth factor (TGF)‑β1 treatment in NRK‑52E cells, and were reduced by ASX administration. In addition, ASX inhibited the UUO‑induced decrease in peritubular capillary density by upregulating vascular endothelial growth factor and downregulating thrombospondin 1 levels. Inactivation of the TGF‑β1/Smad signaling pathway was involved in the anti‑fibrotic mechanism of ASX in UUO mice and TGF‑β1‑treated NRK‑52E cells. In conclusion, ASX attenuated renal interstitial fibrosis and peritubular capillary rarefaction via inactivation of the TGF‑β1/Smad signaling pathway.
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Affiliation(s)
- Jin Zhao
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Meixia Meng
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Jinhua Zhang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Lili Li
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Xiaojing Zhu
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Li Zhang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Chang Wang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
| | - Ming Gao
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi 710004, P.R. China
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Zhou H, Qiu ZZ, Yu ZH, Gao L, He JM, Zhang ZW, Zheng J. Paeonol reverses promoting effect of the HOTAIR/miR-124/Notch1 axis on renal interstitial fibrosis in a rat model. J Cell Physiol 2019; 234:14351-14363. [PMID: 30714138 DOI: 10.1002/jcp.28137] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 12/18/2018] [Indexed: 01/17/2023]
Abstract
Renal interstitial fibrosis (RIF) is a common manifestation of inflammatory and noninflammatory renal diseases, which correlates to renal excretory dysfunction. Recently, the long noncoding RNAs (lncRNAs) have been demonstrated to be involved in the development of various renal diseases. Here, we aim to determine whether paeonol (PAE) affects RIF with involvement of the lncRNA HOX transcript antisense intergenic RNA (HOTAIR)/microRNA-124 (miR-124)/Notch1 axis. RIF rat models were established by performing unilateral ureteral occlusion (UUO), in which interactions between HOTAIR, Notch1, and miR-124 were determined. To identify the roles of PAE and HOTAIR in RIF, rats were injected with HOTAIR or PAE. Subsequently, to further investigate the underlying mechanism of PAE in RIF, epithelial to mesenchymal transition (EMT)- and migration-related genes in NRK-49F cells were measured. Next, rats were further treated with IMR-1 (inhibitor of the Notch1/Jagged1 signaling pathway) to determine how PAE influences the Notch1/Jagged1 signaling pathway. HOTAIR interacted with miR-124, and miR-124 directly targeted Notch1, and HOTAIR was observed to be upregulated in RIF rats. PAE was found to decrease HOTAIR and Notch1 expression but to increase the miR-124 expression in RIF rats. PAE inhibited EMT and migration of NRK-49F cells facilitated by HOTAIR. HOTAIR activated the Notch1/Jagged1 signaling pathway by downregulating miR-124, while PAE reversed these effects of HOTAIR on the Notch1/Jagged1 signaling pathway. Overall, our study demonstrates the contributory effect of lncRNA HOTAIR on RIF by activating the Notch1/Jagged1 signaling pathway via inhibition of miR-124, whereas administration of PAE can alleviate the effects of HOTAIR on RIF.
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Affiliation(s)
- Hao Zhou
- Department of Urology, The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province), Fuzhou, People's Republic of China
| | - Zhen-Zhen Qiu
- Department of Physical Education, Minjiang University, Fuzhou, People's Republic of China
| | - Zuo-Hua Yu
- Department of Urology, The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province), Fuzhou, People's Republic of China
| | - Lin Gao
- Department of Urology, The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province), Fuzhou, People's Republic of China
| | - Ji-Ming He
- Department of Urology, The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province), Fuzhou, People's Republic of China
| | - Zhi-Wei Zhang
- Department of Research, Beijing Zhong Jian Dong Ke Company, Beijing, People's Republic of China
| | - Jian Zheng
- Department of Pediatrics, The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine (The People's Hospital of Fujian Province), Fuzhou, People's Republic of China
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Zhao H, Ma SX, Shang YQ, Zhang HQ, Su W. microRNAs in chronic kidney disease. Clin Chim Acta 2019; 491:59-65. [PMID: 30639583 DOI: 10.1016/j.cca.2019.01.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/09/2019] [Accepted: 01/09/2019] [Indexed: 12/15/2022]
Abstract
Chronic kidney disease (CKD) results in high morbidity and mortality worldwide causing a huge socioeconomic burden. MicroRNA (miRNA) exert critical regulatory functions by targeting downstream genes and have been associated with many pathophysiologic processes including CKD. In fact, many studies have shown that the expression of various miRNAs was significantly changed in CKD. Current investigations have focused on revealing the relationship between miRNAs and CKD states including diabetic nephropathy, lupus nephritis, focal segmental glomerulosclerosis and IgA nephropathy. In this review, we summarize the latest advances elucidating miRNA involvement in the progression of CKD and demonstrate that miRNAs have the potential to be effective biomarkers and therapeutic targets for subsequent treatment.
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Affiliation(s)
- Hui Zhao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069, China
| | - Shi-Xing Ma
- Department of Nephrology, Baoji Central Hospital, No. 8 Jiangtan Road, Baoji, Shaanxi 721008, China
| | - You-Quan Shang
- Department of Nephrology, Baoji Central Hospital, No. 8 Jiangtan Road, Baoji, Shaanxi 721008, China
| | - Huan-Qiao Zhang
- Department of Nephrology, Baoji Central Hospital, No. 8 Jiangtan Road, Baoji, Shaanxi 721008, China
| | - Wei Su
- Department of Nephrology, Baoji Central Hospital, No. 8 Jiangtan Road, Baoji, Shaanxi 721008, China.
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Williams AL, Walton CB, MacCannell KA, Avelar A, Shohet RV. HIF-1 regulation of miR-29c impairs SERCA2 expression and cardiac contractility. Am J Physiol Heart Circ Physiol 2018; 316:H554-H565. [PMID: 30575439 DOI: 10.1152/ajpheart.00617.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The principal regulator of cellular response to low oxygen is hypoxia-inducible factor (HIF)-1, which is stabilized in several forms of heart failure. Our laboratory developed a mouse strain in which a stable form of HIF-1 can be inducibly expressed in cardiomyocytes. Strikingly, these mice show a rapid decrease in cardiac contractility and a rapid loss of SERCA2 protein, which is also seen in heart failure. Interestingly, while the SERCA2 transcript decreased, it did not fully account for the observed decrease in protein. We therefore investigated whether HIF-1-regulated microRNA could impair SERCA translation. Multiple screening analyses identified the microRNA miR-29c to be substantially upregulated upon HIF-1 induction and to have complementarity to SERCA, and therefore be a potential regulator of SERCA2 expression in hypoxia. Subsequent evaluation confirmed that miR-29c reduced SERCA2 expression and Ca2+ reuptake. Additionally, administration of an antagonist sequence (antimir) improved cardiac contractility and SERCA2 expression in HIF transgenic mice. To extend the significance of these findings, we examined miR-29c expression in physiological hypoxia. Surprisingly, miR-29c decreased in these settings. We also treated mice with antimir before infarction to see if further suppression of miR-29c could improve cardiac function. While no improvement in contractility or SERCA2 was observed, reduction of heart size after infarction indicated that the antimir could modulate cardiac physiology. These results demonstrate that while a HIF-1-regulated microRNA, miR-29c, can reduce SERCA2 expression and contractility, additional factors in the ischemic milieu may limit these effects. Efforts to develop miRNA-based therapies will need to explore and account for these additional countervailing effects. NEW & NOTEWORTHY Our study demonstrated hypoxia-inducible factor-1-dependent upregulation of miR-29c, which, in turn, inhibited SERCA2 expression and reduced cardiac contractility in a transgenic overexpression system. Interestingly, these results were not recapitulated in a murine myocardial infarction model. These results underscore the complexity of the pathological environment and highlight the need for therapeutic target validation in physiologically relevant models.
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Affiliation(s)
- Allison Lesher Williams
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii , Honolulu, Hawaii
| | - Chad B Walton
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii , Honolulu, Hawaii
| | - Keith A MacCannell
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii , Honolulu, Hawaii
| | - Abigail Avelar
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii , Honolulu, Hawaii
| | - Ralph V Shohet
- Center for Cardiovascular Research, John A. Burns School of Medicine, University of Hawaii , Honolulu, Hawaii
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Torella D, Iaconetti C, Tarallo R, Marino F, Giurato G, Veneziano C, Aquila I, Scalise M, Mancuso T, Cianflone E, Valeriano C, Marotta P, Tammè L, Vicinanza C, Sasso FC, Cozzolino D, Torella M, Weisz A, Indolfi C. miRNA Regulation of the Hyperproliferative Phenotype of Vascular Smooth Muscle Cells in Diabetes. Diabetes 2018; 67:2554-2568. [PMID: 30257973 DOI: 10.2337/db17-1434] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 09/14/2018] [Indexed: 02/05/2023]
Abstract
Harnessing the mechanisms underlying the exacerbated vascular remodeling in diabetes mellitus (DM) is pivotal to prevent the high toll of vascular diseases in patients with DM. miRNA regulates vascular smooth muscle cell (VSMC) phenotypic switch. However, miRNA modulation of the detrimental diabetic VSMC phenotype is underexplored. Streptozotocin-induced type 1 DM (T1DM) Wistar rats and type 2 DM (T2DM) Zucker rats underwent right carotid artery experimental angioplasty, and global miRNA/mRNA expression profiling was obtained by RNA sequencing (RNA-Seq). Two days after injury, a set of six miRNAs were found to be uniquely downregulated or upregulated in VSMCs both in T1DM and T2DM. Among these miRNAs, miR-29c and miR-204 were the most significantly misregulated in atherosclerotic plaques from patients with DM. miR-29c overexpression and miR-204 inhibition per se attenuated VSMC phenotypic switch in DM. Concomitant miR-29c overexpression and miR-204 inhibition fostered an additive reduction in VSMC proliferation. Epithelial membrane protein 2 (Emp2) and Caveolin-1 (Cav1) mRNAs were identified as direct targets of miR-29c and miR-204, respectively. Importantly, contemporary miR-29c overexpression and miR-204 inhibition in the injured artery robustly reduced arterial stenosis in DM rats. Thus, contemporaneous miR-29c activation and miR-204 inhibition in DM arterial tissues is necessary and sufficient to prevent the exaggerated VSMC growth upon injury.
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MESH Headings
- Animals
- Cell Proliferation/physiology
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/pathology
- Diabetes Mellitus, Type 1/metabolism
- Diabetes Mellitus, Type 1/pathology
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/pathology
- Humans
- Male
- MicroRNAs/metabolism
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Plaque, Atherosclerotic/metabolism
- Plaque, Atherosclerotic/pathology
- Rats
- Rats, Wistar
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Affiliation(s)
- Daniele Torella
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Claudio Iaconetti
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Roberta Tarallo
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana," University of Salerno, Baronissi, Salerno, Italy
| | - Fabiola Marino
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Giorgio Giurato
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana," University of Salerno, Baronissi, Salerno, Italy
- Genomix4Life srl, Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana," University of Salerno, Baronissi, Salerno, Italy
| | - Claudia Veneziano
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Iolanda Aquila
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Mariangela Scalise
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Teresa Mancuso
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Eleonora Cianflone
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Chiara Valeriano
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Pina Marotta
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Laura Tammè
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Carla Vicinanza
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
| | - Ferdinando C Sasso
- Department of Internal and Experimental Medicine "Magrassi-Lanzara," University of Campania "L. Vanvitelli," Naples, Italy
| | - Domenico Cozzolino
- Department of Internal and Experimental Medicine "Magrassi-Lanzara," University of Campania "L. Vanvitelli," Naples, Italy
| | - Michele Torella
- Department of Cardiothoracic Sciences, University of Campania "L. Vanvitelli," Naples, Italy
| | - Alessandro Weisz
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana," University of Salerno, Baronissi, Salerno, Italy
| | - Ciro Indolfi
- Cardiovascular Institute, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
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47
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Xue H, Zhang G, Geurts AM, Usa K, Jensen DM, Liu Y, Widlansky ME, Liang M. Tissue-specific effects of targeted mutation of Mir29b1 in rats. EBioMedicine 2018; 35:260-269. [PMID: 30120082 PMCID: PMC6156712 DOI: 10.1016/j.ebiom.2018.08.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 08/01/2018] [Accepted: 08/06/2018] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND miR-29 is a master regulator of extracellular matrix genes, but conflicting data on its anti-fibrotic effect have been reported. miR-29 improves nitric oxide (NO) production in arterioles by targeting Lypla1. Mir29b1 targeted mutation exacerbates hypertension in a model derived from the Dahl salt-sensitive rat. We examined the effect of Mir29b1 mutation on tissue fibrosis and NO levels with a focus on kidney regions. METHODS Mir29b1 targeted mutant rats on the genetic background of SS-Chr13BN rats were studied. Masson trichrome staining, molecular and biochemical assays, metabolic cage studies, and bioinformatic analysis of human genomic data were performed. FINDINGS The abundance of miR-29b and the co-transcribed miR-29a was substantially lower in mutant rats. Tissue fibrosis was significantly increased in the renal outer medulla, but not in the renal cortex, heart or liver in mutant rats on a 0.4% NaCl diet. Lypla1 protein abundance was significantly higher and NO levels lower in the renal outer medulla, but not in the renal cortex. After 14 days of a 4% NaCl diet, 24 h urine volume and urinary sodium excretion was significantly lower in mutant rats, and tissue fibrosis became higher in the heart. NO levels were lower in the renal outer medulla and heart, but not in the renal cortex. Human miR-29 genes are located in proximity with blood pressure-associated single nucleotide polymorphisms. INTERPRETATION The renal outer medulla might be particularly susceptible to the injurious effects of a miR-29 insufficiency, which might contribute to the development of hypertension in Mir29b1 mutant rats.
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Affiliation(s)
- Hong Xue
- Department of Physiology and Pathophysiology, Fudan University Shanghai Medical College, Shanghai, PR China; Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Guangyuan Zhang
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Aron M Geurts
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Kristie Usa
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - David M Jensen
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Yong Liu
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Michael E Widlansky
- Departments of Medicine and Pharmacology, Division of Cardiovascular Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Mingyu Liang
- Center of Systems Molecular Medicine, Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA.
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48
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Zhu Y, Feng Z, Jian Z, Xiao Y. Long noncoding RNA TUG1 promotes cardiac fibroblast transformation to myofibroblasts via miR‑29c in chronic hypoxia. Mol Med Rep 2018; 18:3451-3460. [PMID: 30066872 DOI: 10.3892/mmr.2018.9327] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 07/11/2018] [Indexed: 11/06/2022] Open
Abstract
Cardiac fibroblast‑myofibroblast transformation (FMT) contributes to the fibrotic deterioration evoked by chronic hypoxia. Growing evidence implicates long noncoding RNAs (lncRNAs) in various types of cardiac physiological and pathological processes, especially in cardiac fibrosis. In the present study, the lncRNA Taurine Upregulated Gene 1 (TUG1), reported as a regulator of hypoxia fibrosis in the lungs, was found to also be an important regulator of cardiac FMT. Specifically, the possible role of TUG1 in cardiac FMT and fibrosis under chronic hypoxia was investigated. It was revealed that the degree of fibrosis in heart tissues collected from congenital heart surgery patients with low pulse oxygen saturation and mice housed under chronic hypoxic and atmospheric pressure conditions was negatively correlated with pulse oxygen saturation. Moreover, TUG1 expression was positively correlated with the degree of fibrosis but negatively correlated with pulse oxygen saturation. Cardiac fibroblasts showed increased myofibroblast marker, collagen I and α‑SMA expression levels as the hypoxia time increased. TUG1 knockdown ameliorated the hypoxia‑induced FMT. A bioinformatics analysis predicted that TUG1 had miR‑29c binding sites in its 3'‑UTR and miR‑29c is a key regulator of cardiac fibrosis. The present study demonstrated that TUG1, along with miR‑29c, may contribute to cardiac FMT activation and promote fibrosis in chronic hypoxia.
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Affiliation(s)
- Yun Zhu
- Department of Cardiovascular Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Zezhou Feng
- Department of Cardiovascular Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Zhao Jian
- Department of Cardiovascular Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Yingbin Xiao
- Department of Cardiovascular Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
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49
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Song N, Zhang T, Xu X, Lu Z, Yu X, Fang Y, Hu J, Jia P, Teng J, Ding X. miR-21 Protects Against Ischemia/Reperfusion-Induced Acute Kidney Injury by Preventing Epithelial Cell Apoptosis and Inhibiting Dendritic Cell Maturation. Front Physiol 2018; 9:790. [PMID: 30013485 PMCID: PMC6036242 DOI: 10.3389/fphys.2018.00790] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 06/06/2018] [Indexed: 02/02/2023] Open
Abstract
Renal tubular injury and innate immune responses induced by hypoxia contribute to acute kidney injury. Accumulating evidence suggests that miR-21 overexpression protects against kidney ischemia injury. Additionally, miR-21 emerges as a key inhibitor in dendritic cell maturation. Thus, we hypothesized that miR-21 protects the kidney from IR injury by suppressing epithelial cell damage and inflammatory reaction. In this study, we investigated effects of miR-21 and its signaling pathways (PTEN/AKT/mTOR/HIF, PDCD4/NFκ-B) on kidney ischemia/reperfusion (IR) injury in vitro and in vivo. The results revealed that IR increased miR-21, HIF1α, and 2α expression in vivo and in vitro. MiR-21 interacted with HIF1α and 2α through the PTEN/AKT/mTOR pathway. Moreover, inhibition of miR-21 activated PDCD4/NFκ-B pathways, which are critical for dendritic cell maturation. Renal IR triggers local inflammation by inducing the dendritic cell maturation and promoting the secretion of IL-12, IL-6, and TNF-α cytokines. Knockdown of miR-21 intensified the effect of IR on tubular epithelial cell apoptosis and dendritic cell maturation. Our results suggested that IR-inducible miR-21 protects epithelial cells from IR injury via a feedback interaction with HIF (PTEN/AKT/mTOR/HIF/miR-21) and by inhibiting maturation of DCs through the PDCD4/NF-κB pathway. These findings highlight new therapeutic opportunities in AKI.
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Affiliation(s)
- Nana Song
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Ting Zhang
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - XiaLian Xu
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Zhihui Lu
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Xiaofang Yu
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Yi Fang
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Jiachang Hu
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Ping Jia
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Jie Teng
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Xiaoqiang Ding
- Division of Nephrology, Zhongshan Hospital,Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Shanghai Institute of Kidney and Dialysis, Shanghai, China.,Shanghai Key Laboratory of Kidney and Blood Purification, Shanghai, China.,Hemodialysis Quality Control Center of Shanghai, Shanghai, China
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50
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Kuang Q, Xue N, Chen J, Shen Z, Cui X, Fang Y, Ding X. Low Plasma Hydrogen Sulfide Is Associated with Impaired Renal Function and Cardiac Dysfunction. Am J Nephrol 2018; 47:361-371. [PMID: 29779029 DOI: 10.1159/000489606] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 04/24/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) has been proposed to associate with decreased hydrogen sulfide (H2S) level. Nevertheless, the role of H2S in the pathogenesis of CKD has not been fully investigated. Our study aimed to investigate the plasma level of endogenous H2S in patients with different stages of CKD, and to identify the role of H2S in the progression of CKD and its relationship with cardiovascular diseases. METHODS A total of 157 non-dialysis CKD patients were recruited in our study, with 37 age- and sex-matched healthy individuals as control. Plasma concentration of H2S was measured with spectrophotometry. Sulfhemoglobin, the integration of H2S and hemoglobin, was characterized and measured by dual wavelength spectrophotometry. Serum levels of homocysteine (Hcy), cardiac troponin T (cTnT), and N-terminal pro B type natriuretic peptide were measured using automated analyzers. Conventional transthoracic echocardiography was performed and left ventricular ejection fraction (LVEF) was analyzed as a sensitive parameter of cardiac dysfunction. RESULTS The plasma H2S level (μmol/L) in CKD patients was significantly lower than those in healthy controls (7.32 ± 4.02 vs. 14.11 ± 5.24 μmol/L, p < 0.01). Plasma H2S level was positively associated with estimated glomerular filtration rate (eGFR; ρ = 0.577, p < 0.01) and negatively associated with plasma indoxyl sulfate concentration (ρ = -0.554, p < 0.01). The mRNA levels of cystathionine β-synthase and cystathionine γ-lyase, 2 catalytic enzymes of H2S formation, were significantly lower in blood mononuclear cells of CKD patients with respect to controls; however, the mRNA level of 3-mercaptopyruvate sulfurtransferase, as another H2S-producing enzyme, was significantly higher in CKD patients. The serum concentration of Hcy, acting as the substrate of H2S synthetase, was higher in the CKD group (p < 0.01). Specifically, the content of serum Hcy in CKD stages 3-5 patients was significantly higher than that in CKD stages 1-2, indicating an increasing trend of serum Hcy with the decline of renal function. Examination of ultrasonic cardiogram revealed a negative -correlation between plasma H2S level and LVEF (ρ = -0.204, p < 0.05) in CKD patients. The H2S level also correlated negatively with cTnT concentration (ρ = -0.249, p < 0.01). CONCLUSIONS Plasma H2S level decreased with the decline of eGFR, which may contribute to the cardiac dysfunction in CKD -patients.
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Affiliation(s)
- Qing Kuang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ning Xue
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Shanghai, China
| | - Jing Chen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Shanghai, China
- Key Laboratory of Kidney and Blood Purification, Shanghai, China
| | - Ziyan Shen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Shanghai, China
| | - Xiaomeng Cui
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Shanghai, China
- Key Laboratory of Kidney and Blood Purification, Shanghai, China
| | - Yi Fang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China,
- Shanghai Medical Center of Kidney, Shanghai, China,
- Shanghai Institute of Kidney and Dialysis, Shanghai, China,
- Key Laboratory of Kidney and Blood Purification, Shanghai, China,
| | - Xiaoqiang Ding
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Shanghai, China
- Key Laboratory of Kidney and Blood Purification, Shanghai, China
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