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Wang Z, Yin G, Liao X, Zhou Z, Cao Y, Li X, Wu W, Zhang S, Lou Q. Cornus officinalis var. koreana Kitam extracts alleviate cadmium-induced renal fibrosis by targeting matrix metallopeptidase 9. JOURNAL OF ETHNOPHARMACOLOGY 2024; 325:117824. [PMID: 38278375 DOI: 10.1016/j.jep.2024.117824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/13/2024] [Accepted: 01/23/2024] [Indexed: 01/28/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cornus officinalis var. koreana Kitam (Cornus officinalis) is a commonly used Chinese herbal medicine and has a good clinical efficacy in kidney and liver diseases. Recent years, a number of studies reported the significant effects of Cornus officinalis on renal fibrosis. However, it is still unclear about the underlying specific mechanism, the bioactive ingredients, and the target gene regulatory network. AIM OF THE STUDY We investigated the impact of Cornus officinalis extract on cadmium-induced renal fibrosis, screened the bioactive ingredients of Cornus officinalis using a pharmacological sub-network analysis, and explored the regulatory effects of Cornus officinalis extracts on target gene matrix metallopeptidase 9 (MMP9). METHODS Male C57BL/6N mice were treated with single or combinatorial agents such as saline, cadmium chloride, Cornus officinalis, Isoginkgetin and FSL-1. Isoginkgetin is a compound with anti-MMP9 activity. FSL-1 can induce MMP9 expression. Masson staining and Western blot and immunohistochemistry analyses were used for assessing renal fibrosis. In addition, wound healing model was established using BUMPT (Boston university mouse proximal tubular) cells to investigate how Cornus officinalis affected cadmium-induced cell migration. The main Cornus officinalis bioactive compounds were identified by UHPLC-MS (Ultra-high-performance liquid chromatography - mass spectrometry). The MMP9 target for Cornus officinalis active ingredients were confirmed through a pharmacological sub-network analysis. RESULTS Aqueous extracts of Cornus officinalis protected from renal dysfunction and kidney fibrosis induced by cadmium chloride in mice. In vitro experiments validated that Cornus officinalis extracts inhibited cell migration ability especially in cadmium chloride condition. The sub-network analysis and chemical components profiling technique revealed the active compounds of Cornus officinalis. Cellular thermal shift assay verified the binding abilities of three active components Daidzein, N-Acetyl-L-tyrosine or Swertisin with matrix metalloproteinase-9. Gelatin zymography assay revealed that the activity of MMP9 was inhibited by the three active components. We further confirmed that MMP9 was involved in the process of Cornus officinalis extracts reducing renal fibrosis. Cornus officinalis attenuated the cadmium-induced renal fibrosis was correlated with decreased expression of MMP9, collagen I, α-SMA (alpha-smooth muscle actin) and vimentin. CONCLUSIONS This study demonstrated that Cornus officinalis extracts could alleviate the cadmium chloride-induced renal fibrosis by targeting MMP9, and might provide new insights into the mechanism of treating renal fibrosis by Cornus officinalis.
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Affiliation(s)
- Zhonghang Wang
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Guanyi Yin
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Xiaochen Liao
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Ziou Zhou
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Yaping Cao
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Xuemiao Li
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Wenbin Wu
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China
| | - Shuanglin Zhang
- The First Affiliated Hospital of Henan University, Kaifeng, 475004, PR China
| | - Qiang Lou
- Huaihe Hospital of Henan University, Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475000, PR China; Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng, 475004, PR China.
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2
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Hao M, Guan Z, Zhang Z, Ai H, Peng X, Zhou H, Xu J, Gu Q. Atractylodinol prevents pulmonary fibrosis through inhibiting TGF-β receptor 1 recycling by stabilizing vimentin. Mol Ther 2023; 31:3015-3033. [PMID: 37641404 PMCID: PMC10556230 DOI: 10.1016/j.ymthe.2023.08.017] [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: 01/05/2023] [Revised: 07/11/2023] [Accepted: 08/24/2023] [Indexed: 08/31/2023] Open
Abstract
Pirfenidone and nintedanib are only anti-pulmonary fibrosis (PF) drugs approved by the FDA. However, they are not target specific, and unable to modify the disease status. Therefore, it is still desirable to discover more effective agents against PF. Vimentin (VIM) plays key roles in tissue regeneration and wound healing, but its molecular mechanism remains unknown. In this work, we demonstrated that atractylodinol (ATD) significantly inhibits TGF-β1-induced epithelial-mesenchymal transition and fibroblast-to-myofibroblast transition in vitro. ATD also reduces bleomycin-induced lung injury and fibrosis in mice models. Mechanistically, ATD inhibited TGF-β receptor I recycling by binding to VIM (KD = 454 nM) and inducing the formation of filamentous aggregates. In conclusion, we proved that ATD (derived from Atractylodes lancea) modified PF by targeting VIM and inhibiting the TGF-β/Smad signaling pathway. Therefore, VIM is a druggable target and ATD is a proper drug candidate against PF. We prove a novel VIM function that TGF-β receptor I recycling. These findings paved the way to develop new targeted therapeutics against PF.
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Affiliation(s)
- Mengjiao Hao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; Tea Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Key Laboratory of Tea Resources Innovation & Utilization, Guangzhou 510640, China
| | - Zhuoji Guan
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Zhikang Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Haopeng Ai
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xing Peng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Huihao Zhou
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jun Xu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Qiong Gu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
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3
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Yakupova EI, Abramicheva PA, Bocharnikov AD, Andrianova NV, Plotnikov EY. Biomarkers of the End-Stage Renal Disease Progression: Beyond the GFR. BIOCHEMISTRY. BIOKHIMIIA 2023; 88:1622-1644. [PMID: 38105029 DOI: 10.1134/s0006297923100164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 07/20/2023] [Accepted: 08/20/2023] [Indexed: 12/19/2023]
Abstract
Chronic kidney disease can progress to the end-stage renal disease (ESRD) characterized by a high risk of morbidity and mortality. ESRD requires immediate therapy or even dialysis or kidney transplantation, therefore, its timely diagnostics is critical for many patients. ESRD is associated with pathological changes, such as inflammation, fibrosis, endocrine disorders, and epigenetic changes in various cells, which could serve as ESRD markers. The review summarizes information on conventional and new ESRD biomarkers that can be assessed in kidney tissue, blood, and urine. Some biomarkers are specific to a particular pathology, while others are more universal. Here, we suggest several universal inflammatory, fibrotic, hormonal, and epigenetic markers indicative of severe deterioration of renal function and ESRD progression for improvement of ESRD diagnostics.
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Affiliation(s)
- Elmira I Yakupova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia.
| | - Polina A Abramicheva
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Alexey D Bocharnikov
- International School of Medicine of the Future, Sechenov First Moscow State Medical University, Moscow, 119992, Russia
| | - Nadezda V Andrianova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Egor Y Plotnikov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia.
- Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, 117997, Russia
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4
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Xie B, Xiong W, Zhang F, Wang N, Luo Y, Chen Y, Cao J, Chen Z, Ma C, Chen H. The miR-103a-3p/TGFBR3 axis regulates TGF-β-induced orbital fibroblast activation and fibrosis in thyroid-eye disease. Mol Cell Endocrinol 2023; 559:111780. [PMID: 36179941 DOI: 10.1016/j.mce.2022.111780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 09/19/2022] [Accepted: 09/22/2022] [Indexed: 02/03/2023]
Abstract
Molecular pathways that contribute to orbital fibroblast activation during thyroid-eye disease (TED) may promote TED progression. Non-coding RNAs, especially miRNAs, play a critical role in the pathogenesis of TED. In the present study, miR-103a-3p was dramatically upregulated and TGFBR3 was downregulated within TED orbital tissue samples and TGF-β-stimulated TED orbital fibroblasts. miR-103a-3p inhibition in TGF-β-stimulated TED orbital fibroblasts partially abolished TGF-β-induced fibrotic alterations, as manifested by the impaired fibroblast cell viability and decreased vimentin and fibronectin levels. miR-103a-3p directly targeted TGFBR3 in TED orbital samples and TGF-β-stimulated TED orbital fibroblasts. In TGF-β-stimulated TED orbital fibroblasts, TGFBR3 overexpression inhibited fibroblast cell viability and decreased vimentin and fibronectin levels. TGFBR3 overexpression partially attenuated the inhibitory effects of miR-103a-3p overexpression on TGFBR3 expression and the promotive effects of miR-103a-3p overexpression on TGF-β-induced fibrotic alterations. Under TGF-β stimulation, miR-103a-3p overexpression significantly promoted, whereas TGFBR3 overexpression inhibited the phosphorylation of Erk1/2, JNK, Smad2, and Smad3. TGFBR3 overexpression also partially abolished the effects of miR-103a-3p overexpression on Erk1/2, JNK, Smad2, and Smad3 phosphorylation. In conclusion, the miR-103a-3p/TGFBR3 axis regulated TGF-β-induced TED orbital fibroblast activation and fibrosis in TED, with the possible involvement of the Erk/JNK and TGF-β/Smad signaling pathways.
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Affiliation(s)
- Bingyu Xie
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Wei Xiong
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Feng Zhang
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Nuo Wang
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Yong Luo
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Yizhi Chen
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Jiamin Cao
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Zhuokun Chen
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Chen Ma
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Haiyan Chen
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, 410013, China
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Cao Y, Shi Y, Yang Y, Wu Z, Peng N, Xiao J, Dou F, Xu J, Pei W, Fu C, Chen P, Wang Y. Urinary exosomes derived circRNAs as biomarkers for chronic renal fibrosis. Ann Med 2022; 54:1966-1976. [PMID: 35819256 PMCID: PMC9291679 DOI: 10.1080/07853890.2022.2098374] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Chronic renal disease (CKD) is a common and irreversible loss of renal function. Renal fibrosis reflected the degree of renal dysfunction. However, the current biomarkers only characterize the renal function instead of indicating the fibrosis degree. The potential diagnostic value of urinary exosomes derived circRNAs for renal fibrosis needs to be further studied. METHODS Urine exosomes from 3 chronic kidney disease (CKD) patients without renal fibrosis and 3 renal fibrotic patients were collected and human circRNAs microarray analysis were performed to detect the circRNAs expression profile. 110 biopsy-proven CKD patients and 54 healthy controls were enrolled and urine exosomes derived RNA was isolated. The expression of hsa_circ_0036649 was measured and the correlation with renal function parameter and pathological indicators was performed. The receiver operating characteristic (ROC) curve for the diagnosis of renal fibrosis was calculated. RESULTS Human circRNAs microarray showed 365 circRNAs up expressed and 195 circRNAs down expressed in renal fibrotic patients compared to none fibrosis CKD patients. The expression of hsa_circ_0036649 was decreased in renal fibrotic patients according to RT-PCR and correlated with serum creatinine, blood urea nitrogen (BUN), estimated glomerular filtration rate and cystatin c. Further, the expression of hsa_circ_0036649 was correlated with the score of tubulointerstitial fibrosis (TIF) and the score of glomerular sclerosis. The ROC curve showed that hsa_circ_0036649 may predict renal fibrosis at a cut-off value of 0.597 with a sensitivity of 45.5% and specificity of 87.9%. CONCLUSION Expression of urinary exosomes derived hsa_circ_0036649 associated with the degree of renal fibrosis. Its potential role as a biomarker in CKD remained to be supported by further follow-up studies.Key MessagescircRNAs profile in urine exosomes in renal fibrosis patients was revealed.The expression of urine exosomes derived hsa_circ_0036649 was correlated to renal function and fibrosis degree.circRNAs derived from urinary exosomes may become a new research direction for biomarkers of renal fibrosis.
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Affiliation(s)
- Yuhan Cao
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China.,Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wan Nan Medical College), Wuhu, China.,Anesthesia Laboratory & Training Center of Wan Nan Medical College, Wuhu, China
| | - Yuanhui Shi
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China
| | - Yanlang Yang
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China
| | - Zhangli Wu
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China
| | - Nana Peng
- School of Clinical Medicine, Wan Nan Medical College, Wuhu, China
| | - Jie Xiao
- School of Anesthesiology, Wan Nan Medical College, Wuhu, China
| | - Fan Dou
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China
| | - Jingjing Xu
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China
| | - Wenjun Pei
- Anhui Province Key Laboratory of Biological Macromolecules Research (Wan Nan Medical College), Wuhu, China
| | - Cong Fu
- Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wan Nan Medical College), Wuhu, China.,Anesthesia Laboratory & Training Center of Wan Nan Medical College, Wuhu, China.,Department of Cardiology, Yi Ji Shan Hospital Affiliated to Wan Nan Medical College, Wuhu, China
| | - Pingsheng Chen
- Department of Pathology and Pathophysiology, Medical School, Southeast University, Dhaka, Bangladesh
| | - Yuwei Wang
- Department of Nephrology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, Wuhu, China
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6
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Le G, Du H, Sylia A, Hou L, Muhmood A, Wei W, Huang K. Ochratoxin A induced differentiation nephrotoxicity in renal tubule and glomeruli via autophagy differential regulation. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 95:103973. [PMID: 36096441 DOI: 10.1016/j.etap.2022.103973] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/04/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
Ochratoxin A (OTA) is a mycotoxin that mainly causes nephrotoxicity. The single nephrotoxicity of OTA exposure on glomeruli or renal tubule had been well documented, however, the comparison toxicity between it is still unclear. Here, C57BL/6 mice and two types of nephrocyte were treated with concentration-gradient OTA to explore its differentiation nephrotoxicity. Results showed that OTA induced nephrotoxicity in vivo and in vitro, manifested as the deteriorative kidney function in mice and the cut-down cell viability in nephrocyte. Besides, results of murine kidney pathological section and IC50 of two types nephrocyte indicated that OTA-induced toxicity in renal tubule was higher than its in glomeruli. In addition, OTA exposure induced autophagy signaling differentiation expression. It revealed that autophagy was implicated in OTA-induced differential nephrotoxicity in glomeruli and renal tubule. Altogether, we proved that OTA induces a differentiation nephrotoxicity in glomeruli and renal tubule, and it is related to autophagy differential regulation.
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Affiliation(s)
- Guannan Le
- Southeast University, Nanjing 211189, China; College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China; Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Heng Du
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Ardache Sylia
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Lili Hou
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Azhar Muhmood
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China
| | - Wei Wei
- Southeast University, Nanjing 211189, China.
| | - Kehe Huang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China.
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Dehghanbanadaki H, Forouzanfar K, Kakaei A, Zeidi S, Salehi N, Arjmand B, Razi F, Hashemi E. The role of CDH2 and MCP-1 mRNAs of blood extracellular vesicles in predicting early-stage diabetic nephropathy. PLoS One 2022; 17:e0265619. [PMID: 35363774 PMCID: PMC8975111 DOI: 10.1371/journal.pone.0265619] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 03/04/2022] [Indexed: 11/25/2022] Open
Abstract
Background Extracellular vesicles (EVs), including exosomes and microvesicles, are involved in intercellular communication by transferring biomolecules such as mRNA, which has been shown to be as essential biomarkers for many physiological and pathological conditions such as diabetic nephropathy (DN). This study aimed to investigate the expression of CDH1, CDH2, MCP-1, and PAI-1 mRNAs in blood EVs of DN patients and to determine their accuracy in predicting early-stage DN. Methods We recruited 196 participants, including 35 overt DN patients, 53 incipient DN patients, 62 diabetic patients (DM), and 46 healthy individuals. Quantification of the mRNA profile of blood EVs was performed using the qRT-PCR method. The diagnostic performance of mRNA was evaluated using receiver operating characteristic analysis. Results The mRNA expression of CDH2 and MCP-1 was downregulated in overt DN group (0.22-fold change and 0.15-fold change, respectively) and incipient DN group (0.60-fold change and 0.43-fold change, respectively) compared to DM group (1.72-fold change and 2.77-fold change, respectively), while PAI-1 mRNA expression decreased in incipient DN group (0.70-fold change) and DM group (0.58-fold change) compared to control. However, the expression level of CDH1 mRNA was not significantly different among the four groups (p = 0.408). Moreover, CDH2 and MCP-1 mRNAs inversely correlated with creatinine (r = -0.370 and r = -0.361, p<0.001) and Alb/Cr ratio (r = -0.355 and r = -0.297, p<0.001). 1/CDH2 mRNA also predicted overt DN with an accuracy of 0.75 (95%CI: 0.65–0.85) and incipient DN with an accuracy of 0.61 (95%CI: 0.50–0.71) while 1/MCP-1 mRNA had an accuracy of 0.66 (95%CI: 0.55–0.77) for overt DN prediction and an accuracy of 0.61 (95%CI: 0.51–0.71) for incipient DN prediction. Conclusion CDH2 and MCP-1 mRNAs expression in blood EVs was decreased with the development of DN, suggesting the renoprotective effect of these mRNAs in diabetic individuals. Moreover, their quantifications could serve as diagnostic biomarkers for early-stage DN.
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Affiliation(s)
- Hojat Dehghanbanadaki
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Metabolomics and Genomics Research Center, Endocrinology and Metabolism Molecular–Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Katayoon Forouzanfar
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ardeshir Kakaei
- Metabolomics and Genomics Research Center, Endocrinology and Metabolism Molecular–Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Samaneh Zeidi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Negar Salehi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Babak Arjmand
- Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Cell Therapy and Regenerative Medicine Research Center, Endocrinology and Metabolism Molecular–Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Farideh Razi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- * E-mail: (FR); (EH)
| | - Ehsan Hashemi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
- * E-mail: (FR); (EH)
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Dev I, Pal S, Lugun O, Singh N, Ansari KM. Ochratoxin A treated rat derived urinary exosomes enhanced cell growth and extracellular matrix production in normal kidney cells through modulation of TGF-β1/smad2/3 signaling pathway. Life Sci 2022; 298:120506. [DOI: 10.1016/j.lfs.2022.120506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 11/30/2022]
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9
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Exosomal hsa_circ_0008925 from Urine Is Related to Chronic Renal Fibrosis. DISEASE MARKERS 2022; 2022:1899282. [PMID: 35222740 PMCID: PMC8881153 DOI: 10.1155/2022/1899282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/28/2022] [Accepted: 02/04/2022] [Indexed: 12/02/2022]
Abstract
At present, there is no noninvasive biomarker of renal fibrosis. The potential diagnostic value of urinary exosome-derived circRNAs from glomerular disease patients for renal fibrosis is still uncertain. Here, we first detected the expression of hsa_circ_0008925 in TGF-β1-cultured HK-2 cell-derived exosomes. Secondly, we collected urine samples from 95 biopsy-proven glomerular disease patients and 34 healthy controls. The expression of hsa_circ_0008925 was analyzed, and the correlation with renal function and pathological changes was calculated. The receiver operating characteristic (ROC) curve for the diagnosis of renal fibrosis was performed. The results showed that in exosomes derived from TGF-β1-cultured HK-2 cells, the expression of hsa_circ_0008925 was increased compared with normal cultured. Further, the expression level of hsa_circ_0008925 was increased in urinary exosomes from renal fibrosis patients and correlated with serum creatinine, blood urea nitrogen (BUN), estimated glomerular filtration rate, and cystatin C. The level of hsa_circ_0008925 was furthermore correlated with the score of tubulointerstitial fibrosis (TIF) and the score of glomerular sclerosis. The ROC curve showed that hsa_circ_0008925 can diagnose renal fibrosis at a cut-off value of 0.093 with a sensitivity of 52.2% and specificity of 96.4%. In summary, we indicated that urinary exosomal hsa_circ_0008925 could be acted as a noninvasive biomarker for renal fibrosis in glomerular diseases patients.
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10
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Cao Y, Wang Y, Peng N, Xiao J, Wang S, Fu C. The ratio of urinary TREM-1/TREM-2 mRNA expression in chronic kidney disease and renal fibrosis. Ann Med 2021; 53:1010-1018. [PMID: 34176389 PMCID: PMC8245072 DOI: 10.1080/07853890.2021.1912384] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The non-invasive identification of novel renal fibrosis biomarkers needs to be further studied. METHODS We collected urine samples from 77 biopsy-proven CKD patients and 15 healthy controls. The expression of urinary TREM-1 and TREM-2 was measured and the correlation with renal function parameter and pathological indicators was performed. The receiver operating characteristic (ROC) curve for the diagnosis of renal fibrosis was calculated. The protein expression of TREM-1 and TREM-2 in kidney tissues was measured. RESULTS The TREM-1/TREM-2 ratio was decreased in CKD patients and correlated with serum creatinine, estimated glomerular filtration rate and cystatin c. Further, the TREM-1/TREM-2 ratio was significantly decreased in moderate-severe fibrosis patients compared with none-mild renal fibrosis. TREM-1/TREM-2 ratio was correlated with the score of tubulointerstitial fibrosis (TIF) and the score of glomerular sclerosis. The ROC curve showed that the urinary TREM-1/TREM-2 ratio can diagnosemoderate-severe renal fibrosis at a cut-off value of 1.338 with a sensitivity of 86.4% and specificity of 81.8%. In human moderate-severe fibrosis kidney tissue, the protein expression of TREM-1 was lower and the TREM-2 was higher than none-mild fibrosis kidney tissue. CONCLUSION Urinary TREM-1/TREM-2 ratio was a potential biomarker for the diagnosis of renal fibrosis in CKD patients.
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Affiliation(s)
- Yuhan Cao
- Department of Nephrology, Yi Ji Shan Hospital Affiliated to Wan Nan Medical College, China.,Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wann Nan Medical College), China
| | - Yuwei Wang
- Department of Nephrology, Yi Ji Shan Hospital Affiliated to Wan Nan Medical College, China
| | - Nana Peng
- School of Clinical Medicine, Wan Nan Medical College, China
| | - Jie Xiao
- School of Anesthesiology, Wan Nan Medical College, China
| | - Sufen Wang
- Department of Pathology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, China
| | - Cong Fu
- Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wann Nan Medical College), China.,Department of Cardiology, Yi Ji Shan hospital affiliated to Wan Nan Medical College, China
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Garbicz D, Pilžys T, Wiśniowski I, Grzesiuk M, Cylke R, Kosieradzki M, Grzesiuk E, Piwowarski J, Marcinkowski M, Lisik W. Replacing centrifugation with mixing in urine analysis enriches protein pool in the urine samples. Anal Biochem 2021; 628:114284. [PMID: 34111418 DOI: 10.1016/j.ab.2021.114284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/25/2021] [Accepted: 06/02/2021] [Indexed: 11/30/2022]
Abstract
Urine is the basic diagnostic material, easy to collect, not requiring invasive approach. During standard procedure the urine samples are centrifuged and the supernatant analysed physically, biochemically, and microscopically. The centrifugation step removes proteins including those forming aggregates especially in the state of illness and after transplantation. Here, we analysed the effect of urine centrifuging on specific protein content in urine samples obtained from cardiovascular patients (CVD) and after kidney or liver transplantation. We tested homogeneous whole urine samples, standardly centrifuge one, and the pellet after centrifuging. Protein content was examined using Western blot analysis and mass spectrometry (MS) of samples from CVD patients or the one after transplantation. The average of 21% proteins from non-centrifuged samples were found in the pellet removed after standard centrifugation. MS analysis confirmed that diagnostically important proteins were located there in. In 90% of cases whole urine samples contained more proteins than standard supernatant, among them e.g. proteins involved in immunological response like immunoglobulins and complement compounds secreted by leucocytes. Replacing centrifuging with intensive mixing of urine samples provides a method of enriching the samples with proteins removed during standard procedure, thus increasing possibility of finding new biomarkers for diseases undiagnosable with classic urine analysis.
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Affiliation(s)
- Damian Garbicz
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland
| | - Tomaš Pilžys
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland
| | - Iga Wiśniowski
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland
| | - Małgorzata Grzesiuk
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland; Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences (SGGW), Poland
| | - Radosław Cylke
- Department of General and Transplantation Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Maciej Kosieradzki
- Department of General and Transplantation Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Elżbieta Grzesiuk
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland
| | - Jan Piwowarski
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland
| | - Michał Marcinkowski
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland.
| | - Wojciech Lisik
- Department of General and Transplantation Surgery, Medical University of Warsaw, Warsaw, Poland
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12
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Kim JE, Han D, Jeong JS, Moon JJ, Moon HK, Lee S, Kim YC, Yoo KD, Lee JW, Kim DK, Kwon YJ, Kim YS, Yang SH. Multisample Mass Spectrometry-Based Approach for Discovering Injury Markers in Chronic Kidney Disease. Mol Cell Proteomics 2021; 20:100037. [PMID: 33453410 PMCID: PMC7950200 DOI: 10.1074/mcp.ra120.002159] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/15/2020] [Accepted: 12/20/2020] [Indexed: 12/16/2022] Open
Abstract
Urinary proteomics studies have primarily focused on identifying markers of chronic kidney disease (CKD) progression. Here, we aimed to determine urinary markers of CKD renal parenchymal injury through proteomics analysis in animal kidney tissues and cells and in the urine of patients with CKD. Label-free quantitative proteomics analysis based on liquid chromatography-tandem mass spectrometry was performed on urine samples obtained from 6 normal controls and 9, 11, and 10 patients with CKD stages 1, 3, and 5, respectively, and on kidney tissue samples from a rat CKD model by 5/6 nephrectomy. Tandem mass tag-based quantitative proteomics analysis was performed for glomerular endothelial cells (GECs) and proximal tubular epithelial cells (PTECs) before and after inducing 24-h hypoxia injury. Upon hierarchical clustering, out of 858 differentially expressed proteins (DEPs) in the urine of CKD patients, the levels of 416 decreased and 403 increased sequentially according to the disease stage, respectively. Among 2965 DEPs across 5/6 nephrectomized and sham-operated rat kidney tissues, 86 DEPs showed same expression patterns in the urine and kidney tissue. After cross-validation with two external animal proteome data sets, 38 DEPs were organized; only ten DEPs, including serotransferrin, gelsolin, poly ADP-ribose polymerase 1, neuroblast differentiation-associated protein AHNAK, microtubule-associated protein 4, galectin-1, protein S, thymosin beta-4, myristoylated alanine-rich C-kinase substrate, and vimentin, were finalized by screening human GECs and PTECs data. Among these ten potential candidates for universal CKD marker, validation analyses for protein S and galectin-1 were conducted. Galectin-1 was observed to have a significant inverse correlation with renal function as well as higher expression in glomerulus with chronic injury than protein S. This constitutes the first multisample proteomics study for identifying key renal-expressed proteins associated with CKD progression. The discovered proteins represent potential markers of chronic renal cell and tissue damage and candidate contributors to CKD pathophysiology.
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Affiliation(s)
- Ji Eun Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea; Department of Internal Medicine, Korea University Guro Hospital, Seoul, Korea
| | - Dohyun Han
- Proteomics Core Facility, Seoul National University Hospital, Seoul, Korea; Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Jin Seon Jeong
- Department of Internal Medicine, Veterans Health Service Medical Center, Seoul, Korea
| | - Jong Joo Moon
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hyun Kyung Moon
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Sunhwa Lee
- Department of Internal Medicine, Kangwon National University Hospital, Gangwon-Do, Korea
| | - Yong Chul Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Kyung Don Yoo
- Department of Internal Medicine, Ulsan University Hospital, Ulsan, Korea
| | - Jae Wook Lee
- Nephrology Clinic, National Cancer Center, Goyang, Gyeonggi-do, Korea
| | - Dong Ki Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea; Kidney Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Young Joo Kwon
- Department of Internal Medicine, Korea University Guro Hospital, Seoul, Korea
| | - Yon Su Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea; Kidney Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Seung Hee Yang
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea; Kidney Research Institute, Seoul National University College of Medicine, Seoul, Korea.
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Seol W, Kim H, Son I. Urinary Biomarkers for Neurodegenerative Diseases. Exp Neurobiol 2020; 29:325-333. [PMID: 33154195 PMCID: PMC7649089 DOI: 10.5607/en20042] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/12/2020] [Accepted: 10/19/2020] [Indexed: 12/13/2022] Open
Abstract
Global incidence of neurodegenerative diseases (NDDs) such as Alzheimer's disease (AD) and Parkinson's disease (PD) is rapidly increasing, but the diagnosis of these diseases at their early stage is challenging. Therefore, the availability of reproducible and reliable biomarkers to diagnose such diseases is more critical than ever. In addition, biomarkers could be used not only to diagnose diseases but also to monitor the development of disease therapeutics. Urine is an excellent biofluid that can be utilized as a source of biomarker to diagnose not only several renal diseases but also other diseases because of its abundance in invasive sampling. However, urine was conventionally regarded as inappropriate as a source of biomarker for neurodegenerative diseases because it is anatomically distant from the central nervous system (CNS), a major pathologic site of NDD, in comparison to other biofluids such as cerebrospinal fluid (CSF) and plasma. However, recent studies have suggested that urine could be utilized as a source of NDD biomarker if an appropriate marker is predetermined by metabolomic and proteomic approaches in urine and other samples. In this review, we summarize such studies related to NDD.
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Affiliation(s)
- Wongi Seol
- InAm Neuroscience Research Center, Gunpo 15865, Korea
| | - Hyejung Kim
- InAm Neuroscience Research Center, Gunpo 15865, Korea
| | - Ilhong Son
- InAm Neuroscience Research Center, Gunpo 15865, Korea
- Department of Neurology, Sanbon Medical Center, College of Medicine, Wonkwang University, Gunpo 15865, Korea
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Xu M, Li H, Bai Y, He J, Chen R, An N, Li Y, Dong Y. miR-129 Blocks Secondary Hyperparathyroidism-Inducing Fgf23/αKlotho Signaling in Mice with Chronic Kidney Disease. Am J Med Sci 2020; 361:624-634. [PMID: 33781552 DOI: 10.1016/j.amjms.2020.09.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 09/14/2020] [Accepted: 09/16/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Secondary hyperparathyroidism, a condition of excess parathyroid hormone (PTH, Pth) production, is often seen in chronic kidney disease (CKD) patients with elevated fibroblast growth factor 23 (FGF23, Fgf23). Elevated FGF23 levels stimulate secondary hyperparathyroidism-associated parathyroid αKlotho signaling. As overexpression of rationally selected microRNAs can suppress target gene activation, we hypothesized that microRNA-based suppression of parathyroid FGF23/αKlotho axis activity may be a potential strategy to combat secondary hyperparathyroidism. METHODS In vitro luciferase assays and human parathyroid adenoma cell experiments were used to determine miR-129-1-3p's effects on αKlotho expression in vitro. We also studied the effects of parathyroid-specific miR-129-1 overexpression (miR-129Ox) in CKD and non-CKD mice and parathyroid tissue cultures derived therefrom. RESULTS miR-129-1-3p directly targets the αKlotho mRNA strand in human parathyroid cells. miR-129Ox CKD mice and control CKD mice displayed comparable serum levels of calcium, phosphate, Fgf23, and 1,25-dihydroxyvitamin D (1,25(OH)2D). However, miR-129Ox CKD mice displayed reduced parathyroid αKlotho expression and lower circulating Pth levels. In vitro culture of miR-129Ox CKD murine parathyroid tissue showed suppressed responses to Fgf23, with decreased Pth secretion and diminished cell proliferation after four days. CONCLUSIONS miR-129 negatively regulates pro-proliferative, Pth-inducing Fgf23/αKlotho signaling in the parathyroid glands of CKD mice.
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Affiliation(s)
- Mingzhi Xu
- Blood Purification Center, Hainan General Hospital, Haikou, China
| | - Hong Li
- Blood Purification Center, Hainan General Hospital, Haikou, China
| | - Yafei Bai
- Blood Purification Center, Hainan General Hospital, Haikou, China
| | - Jiqing He
- Blood Purification Center, Hainan General Hospital, Haikou, China
| | - Ruman Chen
- Blood Purification Center, Hainan General Hospital, Haikou, China
| | - Na An
- Blood Purification Center, Hainan General Hospital, Haikou, China
| | - Yongyong Li
- Department of Geriatrics, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yishan Dong
- Department of Geriatrics, Jiangjin Central Hospital, Chongqing, China; Department of Geriatrics, Jiangjin Central Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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15
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Wang X, Giusti A, Ny A, de Witte PA. Nephrotoxic Effects in Zebrafish after Prolonged Exposure to Aristolochic Acid. Toxins (Basel) 2020; 12:toxins12040217. [PMID: 32235450 PMCID: PMC7232444 DOI: 10.3390/toxins12040217] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 03/24/2020] [Accepted: 03/26/2020] [Indexed: 12/19/2022] Open
Abstract
With the aim to explore the possibility to generate a zebrafish model of renal fibrosis, in this study the fibrogenic renal effect of aristolochic acid I (AAI) after immersion was assessed. This compound is highly nephrotoxic able to elicit renal fibrosis after exposure of rats and humans. Our results reveal that larval zebrafish at 15 days dpf (days post-fertilization) exposed for 8 days to 0.5 µM AAI showed clear signs of AKI (acute kidney injury). The damage resulted in the relative loss of the functional glomerular filtration barrier. Conversely, we did not observe any deposition of collagen, nor could we immunodetect α-SMA, a hallmark of myofibroblasts, in the tubules. In addition, no increase in gene expression of fibrogenesis biomarkers after whole animal RNA extraction was found. As zebrafish have a high capability for tissue regeneration possibly impeding fibrogenic processes, we also used a tert−/− zebrafish line exhibiting telomerase deficiency and impaired tissue homeostasis. AAI-treated tert−/− larvae displayed an increased sensitivity towards 0.5 µM AAI. Importantly, after AAI treatment a mild collagen deposition could be found in the tubules. The outcome implies that sustained AKI induced by nephrotoxic compounds combined with defective tert−/− stem cells can produce a fibrotic response.
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16
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Zhang C, Hu X, Qi F, Luo J, Li X. Identification of CD2, CCL5 and CCR5 as potential therapeutic target genes for renal interstitial fibrosis. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:454. [PMID: 31700890 DOI: 10.21037/atm.2019.08.62] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background We aimed to explore potential gene biomarkers of renal interstitial fibrosis (RIF) due to a lack of effective and non-invasive methods for diagnosis. Methods Three data sets (GSE22459, GSE76882 and GSE57731) including 350 samples were acquired from Gene Expression Omnibus (GEO) database. We used bioconductor limma package to perform background adjustment. Cluster analysis was conducted by 'edgeR' package to identify the differentially expressed genes (DEGs). We generated heat maps with using heatmap package in R software. Function annotation of genes was performed by Gene Ontology (GO) enrichment analysis. STRING (Search Tool for the Retrieval of Interacting Genes) database was employed to construct the protein-protein interaction (PPI) network and the results were visualized by Cytoscape 3.6.1. At last, we applied Graphpad Prism 7.0. to explore the correlation between three hub genes and pathological degrees of RIF. Results By applying the "edgeR" package in R, we detected 116 DEGs with three data sets. These genes were enriched in 19 GO biological process categories. Three main hub genes (CD2, CCL5 and CCR5) were identified after construction of PPI network. In Pearson correlation coefficient, CD2, CCL5 and CCR5 was found to hold higher expression patterns in RIF samples based on independent data set GSE57731. Besides, their gene expression levels were found significantly positive correlation with the degree of RIF (CD2: P<0.05, r=0.29; CCL5: P<0.05, r=0.31; CCR5: P<0.05, r=0.38). Conclusions CD2, CCL5 and CCR5 might serve as potential early biomarkers of RIF. The mechanism between these genes and RIF remains to be further studied.
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Affiliation(s)
- Chuanjie Zhang
- Department of Urology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, China
| | - Xin Hu
- First Clinical Medical College of Nanjing Medical University, Nanjing 210029, China
| | - Feng Qi
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jun Luo
- Department of Urology, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai 200081, China
| | - Xiao Li
- Department of Urology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Affiliated Cancer Hospital of Nanjing Medical University, Nanjing 210009, China
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17
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Wang D, Chen X, Fu M, Xu H, Li Z. Tacrolimus increases the expression level of the chemokine receptor CXCR2 to promote renal fibrosis progression. Int J Mol Med 2019; 44:2181-2188. [PMID: 31638188 PMCID: PMC6844638 DOI: 10.3892/ijmm.2019.4368] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 09/24/2019] [Indexed: 12/31/2022] Open
Abstract
Tacrolimus is one of the most used and effective immunosuppressive agents currently available in the clinic; however, its use is limited by nephrotoxicity, which is the main secondary effect of this drug. The mechanisms underlying tacrolimus-induced nephrotoxicity remain unknown. The present study aimed to investigate the mechanism underlying tacrolimus-induced nephrotoxicity and to identify novel potential targets. Masson staining, Sirius red staining and periodic acid-silver methenamine staining were used to observe kidney pathological changes. Immunohistochemical and immunofluorescent analyses were performed to examine the expression levels of vimentin, E-cadherin and α-smooth muscle actin (α-SMA). Transcriptomics and bioinformatics analyses were performed to investigate the nephrotoxicity mechanism induced by tacrolimus using RNA-sequencing, differentially expressed genes identification and annotation, and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis. The present results demonstrated that compared with the normal control group, the tacrolimus nephrotoxicity group exhibited severe renal fibrosis (P<0.05), upregulated vimentin (P<0.01), downregulated E-cadherin (P<0.05) and upregulated α-SMA (P<0.01). Transcriptomics and bioinformatics analyses identified the pathway 'cytokine-cytokine receptor interaction' as the most significantly enriched (P<0.05). Moreover, KEGG pathway enrichment analysis identified that tacrolimus increased the expression levels of chemokine (C-X-C) motif ligand (CXCL)1, CXCL2 and CXCL3 and the chemokine receptor C-X-C chemokine receptor type 2 (CXCR2). Collectively, the present study suggested that tacrolimus increases the level of chemokine receptor CXCR2 to promote renal fibrosis progression, which is one of the potential mechanisms underlying tacrolimus-induced nephrotoxicity.
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Affiliation(s)
- Dongdong Wang
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
| | - Xiao Chen
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
| | - Meng Fu
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
| | - Hong Xu
- Department of Nephrology, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
| | - Zhiping Li
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
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18
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Qiu ZZ, He JM, Zhang HX, Yu ZH, Zhang ZW, Zhou H. Renoprotective effects of pirfenidone on chronic renal allograft dysfunction by reducing renal interstitial fibrosis in a rat model. Life Sci 2019; 233:116666. [PMID: 31325427 DOI: 10.1016/j.lfs.2019.116666] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 07/12/2019] [Accepted: 07/16/2019] [Indexed: 01/24/2023]
Abstract
AIM Pirfenidone (PFD) has been used as medication for idiopathic pulmonary fibrosis due to its ability in reducing lung fibrosis. However, the underlying mode of action in renal fibrosis during chronic renal allograft dysfunction (CRAD) requires further investigation. Therefore, the present study was conducted to explore the effects of PFD on renal injury induced by CRAD. MAIN METHODS Initially, the CRAD rat model was established, followed by the intragastric administration of PFD to the rats. Urine and blood samples were collected and tested against indicators of renal functions. The renal tissues were microscopically observed to determine the changes in pathological morphology. The anti-inflammatory, anti-fibrotic and anti-oxidant properties of PFD were explored in the setting of CRAD. KEY FINDINGS The success rate of model establishment was 92.31%, which was reflected by weight loss, appetite loss, faded fur, and retarded reaction, with the symptoms found to exacerbate with time. PFD treatment could improve renal function, ameliorate inflammation and renal fibrosis as well as promote the anti-oxidant ability of renal allograft, indicating its potential role as an effective therapeutic agent for CRAD. SIGNIFICANCE In conclusion, PFD was found to have renoprotective effects on renal injury induced by CRAD, which resulted in the alleviation of inflammation and renal fibrosis, providing novelty for CRAD clinical treatment.
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Affiliation(s)
- Zhen-Zhen Qiu
- Department of Physical Education, Minjiang University, Fuzhou 350108, PR 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 350004, PR China
| | - Hao-Xiang Zhang
- Department of Gastroenterology, General Hospital of Tibet Military Region PLA, Lhasa 850003, PR 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 350004, PR China
| | - Zhi-Wei Zhang
- Department of Research, Beijing Zhong Jian Dong Ke Company, Beijing 100176, PR China
| | - 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 350004, PR China.
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Decreased Expression of Urinary Mammalian Target of Rapamycin mRNA Is Related to Chronic Renal Fibrosis in IgAN. DISEASE MARKERS 2019; 2019:2424751. [PMID: 31485275 PMCID: PMC6710774 DOI: 10.1155/2019/2424751] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 07/10/2019] [Accepted: 07/29/2019] [Indexed: 12/12/2022]
Abstract
Background Renal fibrosis is a common outcome of all pathological types of chronic kidney disease (CKD). However, the noninvasive detection of renal fibrosis remains a challenge. Methods We collected urine samples from 154 biopsy-proven IgA nephropathy (IgAN) patients and 61 healthy controls. The expression of mTOR was measured and the correlation with renal function parameter and pathological indicators. The receiver operating characteristic (ROC) curve for the diagnosis of IgAN and renal fibrosis was calculated. Results The urinary mammalian target of rapamycin (mTOR) expression was decreased in IgAN patients. The expression of mTOR was correlated with serum creatinine, blood urea nitrogen, estimated glomerular filtration rate, 24 h proteinuria, and cystatin C. Further, the urinary mTOR expression was significantly decreased in severe renal fibrosis patients compared with mild or moderate renal fibrosis patients. Urinary mTOR expression was correlated with score of tubulointerstitial fibrosis (TIF) and score of glomerular sclerosis. The ROC curve showed that mTOR can diagnose IgAN at a cut-off value of 0.930 with the sensitivity of 90.2% and specificity of 73.8% and renal fibrosis at a cut-off value of 0.301 with the sensitivity of 71.7% and specificity of 64.8%. Conclusion Urinary mTOR mRNA expression was a potential biomarker for diagnosis of IgAN and renal fibrosis in IgAN patients.
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20
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Wang D, Chen X, Fu M, Li Z. Transcriptomics analysis of sirolimus treatment in lupus nephritis. Mol Med Rep 2019; 20:245-251. [PMID: 31115581 PMCID: PMC6580011 DOI: 10.3892/mmr.2019.10238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 04/08/2019] [Indexed: 12/11/2022] Open
Abstract
Lupus nephritis (LN) is one of the principal causes of mortality and disability in patients with systemic lupus erythematosus. Sirolimus has been used to treat patients with LN; however, the effects and mechanism of sirolimus in these patients remains unclear. The present study aimed to elucidate the therapeutic effects and mechanisms of sirolimus in LN mice using low, medium and high doses of sirolimus (0.1, 0.3 and 1 mg/kg, respectively). The survival probability and kidney index were calculated, and renal fibrosis was determined using Masson's Trichrome staining. The expression levels of E-cadherin, α-smooth muscle actin (α-SMA) and vimentin were assessed via immunofluorescence analysis. Transcriptome analysis of control and sirolimus-treated LN mice was performed using RNA-sequencing, differentially expressed gene (DEG) identification and annotation, and Gene Ontology (GO) functional and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment. The results suggested that a medium dose of sirolimus alleviated renal fibrosis and increased the survival rates of mice with LN (P<0.05). Furthermore, transcriptome analysis revealed 334 DEGs associated with LN, 176 of which were upregulated and 158 were downregulated. Following GO functional enrichment, ‘biological process’, ‘molecular function’ and ‘cellular component’ terms were identified. A total of 10 KEGG pathways were enriched, with ‘cytokine-cytokine receptor interaction’ and ‘interleukin-17 signaling pathway’ being significantly enriched (P<0.05). To the best of our knowledge, the present study is the first to conduct transcriptome analysis of LN mice treated with sirolimus, and demonstrated that a dose of 0.3 mg/kg exerted the greatest therapeutic effects.
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Affiliation(s)
- Dongdong Wang
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
| | - Xiao Chen
- Department of Pharmacy, The People's Hospital of Jiangyin, Jiangyin, Jiangsu 214400, P.R. China
| | - Meng Fu
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
| | - Zhiping Li
- Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, P.R. China
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21
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Zhou LT, Lv LL, Liu BC. Urinary Biomarkers of Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:607-623. [PMID: 31399987 DOI: 10.1007/978-981-13-8871-2_30] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Renal fibrosis is the common pathological pathway of progressive CKD. The commonly used biomarkers in clinical practice are not optimal to detect injury or predict prognosis. Therefore, it is crucial to develop novel biomarkers to allow prompt intervention. Urine serves as a valuable resource of biomarker discovery for kidney diseases. Owing to the rapid development of omics platforms and bioinformatics, research on novel urinary biomarkers for renal fibrosis has proliferated in recent years. In this chapter, we discuss the current status and provide basic knowledge in this field. We present novel promising biomarkers including tubular injury markers, proteins related to activated inflammation/fibrosis pathways, CKD273, transcriptomic biomarkers, as well as metabolomic biomarkers. Furthermore, considering the complex nature of the pathogenesis of renal fibrosis, we also highlight the combination of biomarkers to further improve the diagnostic and prognostic performance.
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Affiliation(s)
- Le-Ting Zhou
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China.
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22
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Krishnan V, Booker D, Cunningham G, Jadapalli JK, Kain V, Pullen AB, Halade GV. Pretreatment of carprofen impaired initiation of inflammatory- and overlapping resolution response and promoted cardiorenal syndrome in heart failure. Life Sci 2018; 218:224-232. [PMID: 30597172 DOI: 10.1016/j.lfs.2018.12.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 12/19/2018] [Accepted: 12/27/2018] [Indexed: 12/22/2022]
Abstract
Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) are commonly used to control pain, inflammation, and limit the cardinal signs of injury in humans. However, prolonged use of NSAIDs increases the risk of heart attack (myocardial infarction; MI) and the subsequent risk of heart and renal failure. The molecular and cellular mechanism of action for this adverse effect, particularly along the cardiorenal network, is incomplete. To define the mechanism, carprofen (CAP), an NSAID was administered at the dose of 5 mg/kg to C57BL/6 male mice for two weeks. After last dose of CAP treatment mice were subjected to permanent occlusion of coronary artery that induces irreversible cardiac remodeling while maintaining naive and MI-controls. After MI, cardiac pathology and dysfunction were confirmed, along with additional measurements of kidney function, histology, and injury markers, such as plasma creatinine. CAP treatment increased plasma creatinine levels and subsequently, myocardial structural disorganization increased. Kidney neutrophil gelatinase associated lipocalin (NGAL) and protein expression were increased post-MI. After two weeks CAP treatment, the expression of pyrogenic pro-inflammatory cytokines TNF-α and IL-1β was increased compared to non-CAP treated mice, indicative of amplified inflammatory response. There was also evidence that renal injury of both the post-CAP treatment controls and post-CAP MI were much greater than the non-CAP treated naïve controls, as serum creatinine and NGAL levels were elevated along with obvious structural impairment of the glomerulus. Therefore, CAP treatment tampers with the acute inflammatory response that promotes cardiorenal syndrome and non-resolving inflammation post-MI in acute heart failure.
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Affiliation(s)
- Veena Krishnan
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - David Booker
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Gabrielle Cunningham
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Jeevan Kumar Jadapalli
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Vasundhara Kain
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Amanda B Pullen
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Ganesh V Halade
- Division of Cardiovascular Disease, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States of America.
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Cardoso AL, Fernandes A, Aguilar-Pimentel JA, de Angelis MH, Guedes JR, Brito MA, Ortolano S, Pani G, Athanasopoulou S, Gonos ES, Schosserer M, Grillari J, Peterson P, Tuna BG, Dogan S, Meyer A, van Os R, Trendelenburg AU. Towards frailty biomarkers: Candidates from genes and pathways regulated in aging and age-related diseases. Ageing Res Rev 2018; 47:214-277. [PMID: 30071357 DOI: 10.1016/j.arr.2018.07.004] [Citation(s) in RCA: 276] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 07/08/2018] [Accepted: 07/10/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Use of the frailty index to measure an accumulation of deficits has been proven a valuable method for identifying elderly people at risk for increased vulnerability, disease, injury, and mortality. However, complementary molecular frailty biomarkers or ideally biomarker panels have not yet been identified. We conducted a systematic search to identify biomarker candidates for a frailty biomarker panel. METHODS Gene expression databases were searched (http://genomics.senescence.info/genes including GenAge, AnAge, LongevityMap, CellAge, DrugAge, Digital Aging Atlas) to identify genes regulated in aging, longevity, and age-related diseases with a focus on secreted factors or molecules detectable in body fluids as potential frailty biomarkers. Factors broadly expressed, related to several "hallmark of aging" pathways as well as used or predicted as biomarkers in other disease settings, particularly age-related pathologies, were identified. This set of biomarkers was further expanded according to the expertise and experience of the authors. In the next step, biomarkers were assigned to six "hallmark of aging" pathways, namely (1) inflammation, (2) mitochondria and apoptosis, (3) calcium homeostasis, (4) fibrosis, (5) NMJ (neuromuscular junction) and neurons, (6) cytoskeleton and hormones, or (7) other principles and an extensive literature search was performed for each candidate to explore their potential and priority as frailty biomarkers. RESULTS A total of 44 markers were evaluated in the seven categories listed above, and 19 were awarded a high priority score, 22 identified as medium priority and three were low priority. In each category high and medium priority markers were identified. CONCLUSION Biomarker panels for frailty would be of high value and better than single markers. Based on our search we would propose a core panel of frailty biomarkers consisting of (1) CXCL10 (C-X-C motif chemokine ligand 10), IL-6 (interleukin 6), CX3CL1 (C-X3-C motif chemokine ligand 1), (2) GDF15 (growth differentiation factor 15), FNDC5 (fibronectin type III domain containing 5), vimentin (VIM), (3) regucalcin (RGN/SMP30), calreticulin, (4) PLAU (plasminogen activator, urokinase), AGT (angiotensinogen), (5) BDNF (brain derived neurotrophic factor), progranulin (PGRN), (6) α-klotho (KL), FGF23 (fibroblast growth factor 23), FGF21, leptin (LEP), (7) miRNA (micro Ribonucleic acid) panel (to be further defined), AHCY (adenosylhomocysteinase) and KRT18 (keratin 18). An expanded panel would also include (1) pentraxin (PTX3), sVCAM/ICAM (soluble vascular cell adhesion molecule 1/Intercellular adhesion molecule 1), defensin α, (2) APP (amyloid beta precursor protein), LDH (lactate dehydrogenase), (3) S100B (S100 calcium binding protein B), (4) TGFβ (transforming growth factor beta), PAI-1 (plasminogen activator inhibitor 1), TGM2 (transglutaminase 2), (5) sRAGE (soluble receptor for advanced glycosylation end products), HMGB1 (high mobility group box 1), C3/C1Q (complement factor 3/1Q), ST2 (Interleukin 1 receptor like 1), agrin (AGRN), (6) IGF-1 (insulin-like growth factor 1), resistin (RETN), adiponectin (ADIPOQ), ghrelin (GHRL), growth hormone (GH), (7) microparticle panel (to be further defined), GpnmB (glycoprotein nonmetastatic melanoma protein B) and lactoferrin (LTF). We believe that these predicted panels need to be experimentally explored in animal models and frail cohorts in order to ascertain their diagnostic, prognostic and therapeutic potential.
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Liquid biopsy biomarkers of renal interstitial fibrosis based on urinary exosome. Exp Mol Pathol 2018; 105:223-228. [DOI: 10.1016/j.yexmp.2018.08.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/12/2018] [Accepted: 08/13/2018] [Indexed: 01/22/2023]
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25
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Lyu LL, Feng Y, Liu BC. Urinary Biomarkers for Chronic Kidney Disease with a Focus on Gene Transcript. Chin Med J (Engl) 2018; 130:2251-2256. [PMID: 28875962 PMCID: PMC5598339 DOI: 10.4103/0366-6999.213965] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective: In the upcoming era of precision medicine, searching for the early, noninvasive biomarkers has been the cornerstone and major challenge in the management of chronic kidney disease (CKD). Urine contains rich biological information which could be the ideal source for noninvasive biomarkers of CKD. This review will discuss the recent advance in urinary biomarker. Data Sources: This review was based on data in articles published in the PubMed databases up to June 20, 2017, with the following keywords: “Chronic kidney disease”, “Biomarker”, and “Urine”. Study Selection: Original articles and important reviews on urinary biomarker were selected for this review. Results: Urinary biomarker studies of CKD mainly focused on urine sediment, supernatant, and urinary extracellular vesicles. The gene transcript (microRNA [miRNA], messenger RNA [mRNA]) biomarkers have been recently shown with diagnostic potential for CKD reflecting kidney function and histological change. However, challenges regarding technique and data analysis need to be resolved before translation to clinic. Conclusions: Different fractions of urine contain rich information for biomarker discovery, among which urine (extracellular vesicles) mRNA, miRNA, might represent promising biomarker for CKD.
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Affiliation(s)
- Lin-Li Lyu
- Department of Nephrology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, China
| | - Ye Feng
- Department of Nephrology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, China
| | - Bi-Cheng Liu
- Department of Nephrology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, China
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26
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Renal fibrosis: Recent translational aspects. Matrix Biol 2017; 68-69:318-332. [PMID: 29292218 DOI: 10.1016/j.matbio.2017.12.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 12/15/2017] [Accepted: 12/21/2017] [Indexed: 01/14/2023]
Abstract
Renal fibrogenesis is the common final pathway to all renal injuries that consequently leads to Chronic Kidney Disease (CKD). Renal fibrogenesis corresponds to the replacement of renal functional tissue by extra-cellular matrix proteins, mainly collagens, that ultimately impairs kidney function. Blockade of the renin angiotensin system by Angiotensin Converting Enzyme inhibitors (ACEi) or Angiotensin Receptor Blockers (ARBs) was the first strategy that proved efficient to blunt the development of renal fibrogenesis independently of its systemic action on blood pressure. Although this strategy has been published 20years ago, there is to date no novel therapeutic targets that are both safe and efficient in hindering renal fibrogenesis and CKD in humans, nor there is any new biomarker to precisely quantify this process. In our review, we will focus on the most recent pathways leading to fibrogenesis which have a high therapeutic potential in humans and on the most promising biomarkers of renal fibrosis.
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Persistent fibroblast growth factor 23 signalling in the parathyroid glands for secondary hyperparathyroidism in mice with chronic kidney disease. Sci Rep 2017; 7:40534. [PMID: 28094278 PMCID: PMC5240111 DOI: 10.1038/srep40534] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 12/07/2016] [Indexed: 02/07/2023] Open
Abstract
Secondary hyperparathyroidism, in which parathyroid hormone (PTH) is excessively secreted in response to factors such as hyperphosphataemia, hypocalcaemia, and low 1,25-dihydroxyvitamin D (1,25(OH)2D) levels, is commonly observed in patients with chronic kidney disease (CKD), and is accompanied by high levels of fibroblast growth factor 23 (FGF23). However, the effect of FGF23 on the parathyroid glands (PG) remains controversial. To bind to FGF receptors, FGF23 requires αKlotho, which is highly expressed in the PG. Here, we examined the effects of Fgfr1–3, αKlotho, or Fgfr1–4 ablation specifically in the PG (conditional knockout, cKO). When mice with early to mid-stage CKD with and without cKO were compared, plasma concentrations of calcium, phosphate, FGF23, and 1,25(OH)2D did not change significantly. In contrast, plasma PTH levels, which were elevated in CKD mice, were significantly
decreased in cKO mice. PG from CKD mice showed augmentation of cell proliferation, which was significantly suppressed by cKO. Parathyroid tissue cultured for 4 days showed upregulation of PTH secretion and cell proliferation in response to FGF23. Both these effects were inhibited by cKO. These findings suggest that FGF23 is a long-term inducer of parathyroid cell proliferation and PTH secretion, and is one cause of secondary hyperparathyroidism in CKD.
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28
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Zhou LT, Cao YH, Lv LL, Ma KL, Chen PS, Ni HF, Lei XD, Liu BC. Feature selection and classification of urinary mRNA microarray data by iterative random forest to diagnose renal fibrosis: a two-stage study. Sci Rep 2017; 7:39832. [PMID: 28045061 PMCID: PMC5206620 DOI: 10.1038/srep39832] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 11/29/2016] [Indexed: 11/25/2022] Open
Abstract
Renal fibrosis is a common pathological pathway of progressive chronic kidney disease (CKD). However, kidney function parameters are suboptimal for detecting early fibrosis, and therefore, novel biomarkers are urgently needed. We designed a 2-stage study and constructed a targeted microarray to detect urinary mRNAs of CKD patients with renal biopsy and healthy participants. We analysed the microarray data by an iterative random forest method to select candidate biomarkers and produce a more accurate classifier of renal fibrosis. Seventy-six and 49 participants were enrolled into stage I and stage II studies, respectively. By the iterative random forest method, we identified a four-mRNA signature in urinary sediment, including TGFβ1, MMP9, TIMP2, and vimentin, as important features of tubulointerstitial fibrosis (TIF). All four mRNAs significantly correlated with TIF scores and discriminated TIF with high sensitivity, which was further validated in the stage-II study. The combined classifiers showed excellent sensitivity and outperformed serum creatinine and estimated glomerular filtration rate measurements in diagnosing TIF. Another four mRNAs significantly correlated with glomerulosclerosis. These findings showed that urinary mRNAs can serve as sensitive biomarkers of renal fibrosis, and the random forest classifier containing urinary mRNAs showed favourable performance in diagnosing early renal fibrosis.
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Affiliation(s)
- Le-Ting Zhou
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Yu-Han Cao
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Kun-Ling Ma
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Ping-Sheng Chen
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Hai-Feng Ni
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | | | - Bi-Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
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29
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Mao S, Yan B, Zhang J. Association of transforming growth factor-β1 polymorphisms with the risk of chronic kidney diseases. Ren Fail 2015; 37:304-11. [DOI: 10.3109/0886022x.2015.1077324] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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30
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Roeder SS, Stefanska A, Eng DG, Kaverina N, Sunseri MW, McNicholas BA, Rabinovitch P, Engel FB, Daniel C, Amann K, Lichtnekert J, Pippin JW, Shankland SJ. Changes in glomerular parietal epithelial cells in mouse kidneys with advanced age. Am J Physiol Renal Physiol 2015; 309:F164-78. [PMID: 26017974 DOI: 10.1152/ajprenal.00144.2015] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 05/26/2015] [Indexed: 02/08/2023] Open
Abstract
Kidney aging is accompanied by characteristic changes in the glomerulus, but little is known about the effect of aging on glomerular parietal epithelial cells (PECs), nor if the characteristic glomerular changes in humans and rats also occur in very old mice. Accordingly, a descriptive analysis was undertaken in 27-mo-old C57B6 mice, considered advanced age. PEC density was significantly lower in older mice compared with young mice (aged 3 mo), and the decrease was more pronounced in juxtamedullary glomeruli compared with outer cortical glomeruli. In addition to segmental and global glomerulosclerosis in older mice, staining for matrix proteins collagen type IV and heparan sulfate proteoglycan were markedly increased in Bowman's capsules of older mouse glomeruli, consistent with increased extracellular matrix production by PECs. De novo staining for CD44, a marker of activated and profibrotic PECs, was significantly increased in aged glomeruli. CD44 staining was more pronounced in the juxtamedullary region and colocalized with phosphorylated ERK. Additionally, a subset of aged PECs de novo expressed the epithelial-to-mesenchymal transition markers α-smooth muscle and vimentin, with no changes in epithelial-to-mesenchymal transition markers E-cadherin and β-catenin. The mural cell markers neural/glial antigen 2, PDGF receptor-β, and CD146 as well as Notch 3 were also substantially increased in aged PECs. These data show that mice can be used to better understand the aging kidney and that PECs undergo substantial changes, especially in juxtamedullary glomeruli, that may participate in the overall decline in glomerular structure and function with advancing age.
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Affiliation(s)
- Sebastian S Roeder
- Division of Nephrology, University of Washington, Seattle, Washington; Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Ania Stefanska
- Division of Nephrology, University of Washington, Seattle, Washington
| | - Diana G Eng
- Division of Nephrology, University of Washington, Seattle, Washington
| | - Natalya Kaverina
- Division of Nephrology, University of Washington, Seattle, Washington
| | - Maria W Sunseri
- Division of Nephrology, University of Washington, Seattle, Washington
| | | | - Peter Rabinovitch
- Department of Pathology, University of Washington, Seattle, Washington
| | - Felix B Engel
- Department of Nephropathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany; and
| | - Christoph Daniel
- Department of Nephropathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany; and
| | - Kerstin Amann
- Department of Nephropathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany; and
| | - Julia Lichtnekert
- Division of Nephrology, University of Washington, Seattle, Washington
| | - Jeffrey W Pippin
- Division of Nephrology, University of Washington, Seattle, Washington
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