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He(何璇) XA, Berenson A, Bernard M, Weber C, Cook LE, Visel A, Fuxman Bass JI, Fisher S. Identification of conserved skeletal enhancers associated with craniosynostosis risk genes. Hum Mol Genet 2024; 33:837-849. [PMID: 37883470 PMCID: PMC11070136 DOI: 10.1093/hmg/ddad182] [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: 07/31/2023] [Revised: 09/12/2023] [Accepted: 10/20/2023] [Indexed: 10/28/2023] Open
Abstract
Craniosynostosis, defined by premature fusion of one or multiple cranial sutures, is a common congenital defect affecting more than 1/2000 infants and results in restricted brain expansion. Single gene mutations account for 15%-20% of cases, largely as part of a syndrome, but the majority are nonsyndromic with complex underlying genetics. We hypothesized that the two noncoding genomic regions identified by a GWAS for craniosynostosis contain distal regulatory elements for the risk genes BMPER and BMP2. To identify such regulatory elements, we surveyed conserved noncoding sequences from both risk loci for enhancer activity in transgenic Danio rerio. We identified enhancers from both regions that direct expression to skeletal tissues, consistent with the endogenous expression of bmper and bmp2. For each locus, we also found a skeletal enhancer that also contains a sequence variant associated with craniosynostosis risk. We examined the activity of each enhancer during craniofacial development and found that the BMPER-associated enhancer is active in the restricted region of cartilage closely associated with frontal bone initiation. The same enhancer is active in mouse skeletal tissues, demonstrating evolutionarily conserved activity. Using enhanced yeast one-hybrid assays, we identified transcription factors that bind each enhancer and observed differential binding between alleles, implicating multiple signaling pathways. Our findings help unveil the genetic mechanism of the two craniosynostosis risk loci. More broadly, our combined in vivo approach is applicable to many complex genetic diseases to build a link between association studies and specific genetic mechanisms.
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Affiliation(s)
- Xuan Anita He(何璇)
- Department of Pharmacology, Physiology & Biophysics, Boston University, 700 Albany St, W607, Boston, MA 02118, United States
- Graduate Program in Biomolecular Medicine, Boston University, 72 East Concord St, Boston, MA 02118, United States
| | - Anna Berenson
- Department of Biology, Boston University, 5 Cummington Mall, Boston, MA 02215, United States
- Program in Molecular Biology, Cell Biology, and Biochemistry, Boston University, 5 Cummington Mall, Boston, MA 02215, United States
| | - Michelle Bernard
- Department of Pharmacology, Physiology & Biophysics, Boston University, 700 Albany St, W607, Boston, MA 02118, United States
- College of Arts and Sciences, Boston University, 5 Cummington Mall, Boston, MA 02215, United States
| | - Chris Weber
- Department of Cell and Developmental Biology, University of Pennsylvania, 421 Curie Boulevard, Philadelphia, PA 19104-6058, United States
| | - Laura E Cook
- Environmental Genomics & System Biology Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, United States
| | - Axel Visel
- Environmental Genomics & System Biology Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, United States
- U.S. Department of Energy Joint Genome Institute, 1 Cyclotron Road, Berkeley, CA 94720, United States
- School of Natural Sciences, 5200 Lake Road, University of California Merced, Merced, CA 95343, United States
| | - Juan I Fuxman Bass
- Department of Biology, Boston University, 5 Cummington Mall, Boston, MA 02215, United States
| | - Shannon Fisher
- Department of Pharmacology, Physiology & Biophysics, Boston University, 700 Albany St, W607, Boston, MA 02118, United States
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Liu Y, Wu J, Liang S, Xu J, Wei M, Du Z, Qiang S. Guben Xiezhuo Decoction inhibits M1 polarization through the Raf1/p-Elk1 signaling axis to attenuate renal interstitial fibrosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117189. [PMID: 37716490 DOI: 10.1016/j.jep.2023.117189] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/01/2023] [Accepted: 09/13/2023] [Indexed: 09/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Guben Xiezhuo Decoction (GBXZD) is an herbal compound used to treat chronic kidney disease (CKD) under the guidance of traditional Chinese medicine (TCM). Its main components are Astragalus membranaceus (Fisch.) Bunge, Codonopsis pilosula (Franch.) Nannf., Centella asiatica (L.) Urb., Salvia miltiorrhiza Bunge, Cuscuta chinensis Lam., and Rheum palmatum L.. Clinical studies have shown that it can relieve fatigue, nausea and other symptoms and improve kidney function in patients; however, its specific mechanism of action requires further study. AIM OF THE STUDY Renal interstitial fibrosis (RIF) is the ultimate characteristic manifestation of various CKD, that cannot be cured, and appropriate treatments to delay its progression require further exploration. GBXZD, widely used in clinical practice for RIF treatment, can effectively relieve the syndrome in patients with CKD. However, the specific mechanism of action of GBXZD in RIF is unknown and requires further study. This study aimed to explore the specific effects of GBXZD on RIF through the regulation of M1 macrophages. MATERIALS AND METHODS An in vivo RIF model was obtained through unilateral ureteral obstruction (UUO), and the Sprague-Dawley (SD) rats were randomly divided into sham operation, UUO, UUO + GBXZD-low dose (GBXZD-L) and UUO + GBXZD-high dose (GBXZD-H) groups. Pathological changes in rat kidney specimens were observed using hematoxylin and eosin (HE) and Masson staining. The expression of collagen I (COL I), fibronectin (FN), α-smooth muscle actin (α-SMA), interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumour necrosis factor-α (TNF-α) was detected using immunohistochemistry, and immunofluorescence was used to detect the expression of CD86 and inducible nitric-oxide synthase (iNOS) in kidney tissue. An in vitro experiment was performed using M1 polarization model in RAW264.7 macrophages induced by lipopolysaccharide (LPS). Cells were divided into control, LPS, LPS + GBXZD-low dose (GBXZD-L) and LPS + GBXZD-high dose (GBXZD-H) groups. The changes in expression of CD86, iNOS, IL-1β, IL-6, and TNF-α were measured using western blotting, flow cytometry, immunofluorescence and enzyme-linked immunosorbent assay (ELISA). We analyzed the action pathway of GBXZD in regulating M1 polarization of macrophages using antibody microarray and verified the results using western blotting. RESULTS Histopathological results showed that the UUO group exhibited significant fibrotic injury compared to the sham group. After GBXZD treatment, the degree of kidney injury, RIF, and inflammatory factor expression were lower than those in the UUO group. Compared with LPS-treated cells, the expression of the M1 markers CD86, iNOS, and pathway proteins Raf1 and p-Elk1 was down-regulated in RAW 264.7 cells treated with LPS and GBXZD. The secretion of the inflammatory factors IL-1β, IL-6, and TNF-α in the LPS group was more than that in the control group. However, the levels of these factors were significantly reduced in the GBXZD-H group compared to those in the LPS group. CONCLUSIONS This study indicates that GBXZD ameliorates RIF and inhibits the inflammatory response and macrophage M1 polarization by a potential mechanism related to the downregulation of Raf1 and p-Elk1. GBXZD therefore has therapeutic potential value for patients with CKD.
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Affiliation(s)
- Yue Liu
- Department of Nephropathy, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China; Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China
| | - Jingyi Wu
- Department of Nephropathy, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China; Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China
| | - Shuo Liang
- Department of Nephropathy, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China
| | - Jiawei Xu
- Department of Nephropathy, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China
| | - Minggang Wei
- Traditional Chinese Medicine Department, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China.
| | - Zhenfang Du
- Department of Nephropathy, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China.
| | - Sheng Qiang
- Department of Nephropathy, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, Jiangsu, China.
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3
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Zhang F, Yin J, Liu L, Liu S, Zhang G, Kong Y, Wang Y, Wang N, Chen X, Wang F. IL-17C neutralization protects the kidney against acute injury and chronic injury. EBioMedicine 2023; 92:104607. [PMID: 37263138 PMCID: PMC10277925 DOI: 10.1016/j.ebiom.2023.104607] [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: 05/05/2021] [Revised: 04/19/2023] [Accepted: 04/21/2023] [Indexed: 06/03/2023] Open
Abstract
BACKGROUND Interleukin-17C (IL-17C), a member of the IL-17 cytokine family, plays a pathogenic role in kidney diseases. Our previous studies have shown that pre-administration of IL-17C neutralizing antibody attenuated acute kidney injury (AKI, a common acute inflammation associated renal disease). In this study, we explored whether post-ischemia reperfusion (IR) of IL-17C blockade has therapeutic effects on AKI and whether IL-17C is involved in the pathogenesis of diabetic nephropathy (DN), a major type of chronic inflammation-associated kidney disease. METHODS 12-week-old male C57BL/6JGpt mice were treated with IL-17C neutralizing antibody or normal IgG control antibody at 3 h after reperfusion. Renal injury, inflammation, and oxidative stress were assessed. Additionally, we examined renal IL-17C expression in patients with DN and db/db mice and evaluated albuminuria, mesangial matrix accumulation and podocyte loss in db/db mice with IL-17C neutralization. Knockdown of NF-κB p65 using siRNA, and blocking Hypoxia-inducible factor-1α (HIF-1α) using YC-1 in mice and HIF-1α Decoy in HK2 cells were investigated to explore the possible signaling pathway involved in IL-17C regulation. FINDINGS We found that delayed IL-17C neutralization had similar reno-protective effects on renal ischemia-reperfusion injury (IRI). Additionally, renal IL-17C expression was increased in patients with DN and db/db mice, while IL-17C blockade significantly attenuated DN, accompanied with blunted albuminuria, mesangial matrix accumulation, and podocyte loss. Moreover, IL-17C neutralization significantly repressed the expression of downstream pro-inflammatory cytokines, inflammatory cell infiltration, and Th17/IL-17A activation both in mice with renal IRI and DN. Mechanistical studies demonstrated that hypoxia or high glucose-induced IL-17C up-regulation was predominantly mediated by NF-κB pathway. INTERPRETATION IL-17C participates in the pathogenesis of AKI and DN and inhibition of IL-17C shows potential as a therapeutic strategy for AKI and DN. FUNDING The National Natural Science Foundation of China (81770741, 81700601 and 81870504).
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Affiliation(s)
- Fangfei Zhang
- Department of Rheumatology, Immunology and Allergy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianyong Yin
- Department of Nephrology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
| | - Li Liu
- Department of Rheumatology, Immunology and Allergy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuiying Liu
- Department of Rheumatology, Immunology and Allergy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guangyuan Zhang
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yiwei Kong
- Biomedical School, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Yajun Wang
- Department of Rheumatology, Immunology and Allergy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Niansong Wang
- Department of Nephrology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiangmei Chen
- State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Feng Wang
- Department of Rheumatology, Immunology and Allergy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Osaki Y, Manolopoulou M, Ivanova AV, Vartanian N, Mignemi MP, Kern J, Chen J, Yang H, Fogo AB, Zhang M, Robinson-Cohen C, Gewin LS. Blocking cell cycle progression through CDK4/6 protects against chronic kidney disease. JCI Insight 2022; 7:e158754. [PMID: 35730565 PMCID: PMC9309053 DOI: 10.1172/jci.insight.158754] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/04/2022] [Indexed: 11/17/2022] Open
Abstract
Acute and chronic kidney injuries induce increased cell cycle progression in renal tubules. While increased cell cycle progression promotes repair after acute injury, the role of ongoing tubular cell cycle progression in chronic kidney disease is unknown. Two weeks after initiation of chronic kidney disease, we blocked cell cycle progression at G1/S phase by using an FDA-approved, selective inhibitor of CDK4/6. Blocking CDK4/6 improved renal function and reduced tubular injury and fibrosis in 2 murine models of chronic kidney disease. However, selective deletion of cyclin D1, which complexes with CDK4/6 to promote cell cycle progression, paradoxically increased tubular injury. Expression quantitative trait loci (eQTLs) for CCND1 (cyclin D1) and the CDK4/6 inhibitor CDKN2B were associated with eGFR in genome-wide association studies. Consistent with the preclinical studies, reduced expression of CDKN2B correlated with lower eGFR values, and higher levels of CCND1 correlated with higher eGFR values. CDK4/6 inhibition promoted tubular cell survival, in part, through a STAT3/IL-1β pathway and was dependent upon on its effects on the cell cycle. Our data challenge the paradigm that tubular cell cycle progression is beneficial in the context of chronic kidney injury. Unlike the reparative role of cell cycle progression following acute kidney injury, these data suggest that blocking cell cycle progression by inhibiting CDK4/6, but not cyclin D1, protects against chronic kidney injury.
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Affiliation(s)
- Yosuke Osaki
- Division of Nephrology and Hypertension, Department of Medicine, Washington University St. Louis, St. Louis, Missouri, USA
- Division of Nephrology and Hypertension, Department of Medicine, and
| | | | - Alla V. Ivanova
- Division of Nephrology and Hypertension, Department of Medicine, and
| | | | | | - Justin Kern
- Division of Nephrology and Hypertension, Department of Medicine, Washington University St. Louis, St. Louis, Missouri, USA
| | - Jianchun Chen
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Haichun Yang
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center (VUMC), Nashville, Tennessee, USA
| | - Agnes B. Fogo
- Division of Nephrology and Hypertension, Department of Medicine, and
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center (VUMC), Nashville, Tennessee, USA
| | - Mingzhi Zhang
- Division of Nephrology and Hypertension, Department of Medicine, and
| | | | - Leslie S. Gewin
- Division of Nephrology and Hypertension, Department of Medicine, Washington University St. Louis, St. Louis, Missouri, USA
- Division of Nephrology and Hypertension, Department of Medicine, and
- Department of Medicine, Veterans Affairs Hospital, St. Louis VA, St. Louis, Missouri, USA
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Systematic Investigations on the Metabolic and Transcriptomic Regulation of Lactate in the Human Colon Epithelial Cells. Int J Mol Sci 2022; 23:ijms23116262. [PMID: 35682941 PMCID: PMC9181574 DOI: 10.3390/ijms23116262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/19/2022] [Accepted: 05/31/2022] [Indexed: 02/04/2023] Open
Abstract
Lactate, primarily produced by the gut microbiota, performs as a necessary “information transmission carrier” between the gut and the microbiota. To investigate the role of lactate in the gut epithelium cell–microbiota interactions as a metabolic signal, we performed a combinatory, global, and unbiased analysis of metabolomic and transcriptional profiling in human colon epithelial cells (Caco-2), using a lactate treatment at the physiological concentration (8 mM). The data demonstrated that most of the genes in oxidative phosphorylation were significantly downregulated in the Caco-2 cells due to lactate treatment. Consistently, the levels of fumarate, adenosine triphosphate (ATP), and creatine significantly decreased, and these are the metabolic markers of OXPHOS inhibition by mitochondria dysfunction. The one-carbon metabolism was affected and the polyol pathway was activated at the levels of gene expression and metabolic alternation. In addition, lactate significantly upregulated the expressions of genes related to self-protection against apoptosis. In conclusion, lactate participates in gut–gut microbiota communications by remodeling the metabolomic and transcriptional signatures, especially for the regulation of mitochondrial function. This work contributes comprehensive information to disclose the molecular mechanisms of lactate-mediated functions in human colon epithelial cells that can help us understand how the microbiota communicates with the intestines through the signaling molecule, lactate.
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Widowati W, Prahastuti S, Tjokropranoto R, Onggowidjaja P, Kusuma HSW, Afifah E, Arumwardana S, Maulana MA, Rizal R. Quercetin prevents chronic kidney disease on mesangial cells model by regulating inflammation, oxidative stress, and TGF-β1/SMADs pathway. PeerJ 2022; 10:e13257. [PMID: 35673387 PMCID: PMC9167587 DOI: 10.7717/peerj.13257] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/22/2022] [Indexed: 01/13/2023] Open
Abstract
Background Chronic kidney disease (CKD) happens due to decreasing kidney function. Inflammation and oxidative stress have been shown to result in the progression of CKD. Quercetin is widely known to have various bioactivities including antioxidant, anticancer, and anti-inflammatory activities. Objective To evaluate the activity of quercetin to inhibit inflammation, stress oxidative, and fibrosis on CKD cells model (mouse mesangial cells induced by glucose). Methods and Material The SV40 MES 13 cells were plated in a 6-well plate with cell density at 5,000 cells/well. The medium had been substituted for 3 days with a glucose-induced medium with a concentration of 20 mM. Quercetin was added with 50, 10, and 5 µg/mL concentrations. The negative control was the untreated cell. The levels of TGF-β1, TNF-α, and MDA were determined using ELISA KIT. The gene expressions of the SMAD7, SMAD3, SMAD2, and SMAD4 were analyzed using qRT-PCR. Results Glucose can lead to an increase in inflammatory cytokines TNF-α, TGF-β1, MDA as well as the expressions of the SMAD2, SMAD3, SMAD4, and a decrease in SMAD7. Quercetin caused the reduction of TNF-α, TGF-β1, MDA as well as the expression of the SMAD2, SMAD3, SMAD4, and increased SMAD7. Conclusion Quercetin has anti-inflammation, antioxidant, antifibrosis activity in the CKD cells model. Thus, quercetin is a promising substance for CKD therapy and further research is needed to prove this in CKD animal model.
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Affiliation(s)
- Wahyu Widowati
- Faculty of Medicine, Maranatha Christian University, Bandung, West Java, Indonesia
| | - Sijani Prahastuti
- Faculty of Medicine, Maranatha Christian University, Bandung, West Java, Indonesia
| | - Rita Tjokropranoto
- Faculty of Medicine, Maranatha Christian University, Bandung, West Java, Indonesia
| | - Philips Onggowidjaja
- Faculty of Medicine, Maranatha Christian University, Bandung, West Java, Indonesia
| | - Hanna Sari Widya Kusuma
- Biomolecular and Biomedical Research Center, Aretha Medika Utama, Bandung, West Java, Indonesia
| | - Ervi Afifah
- Biomolecular and Biomedical Research Center, Aretha Medika Utama, Bandung, West Java, Indonesia
| | - Seila Arumwardana
- Biomolecular and Biomedical Research Center, Aretha Medika Utama, Bandung, West Java, Indonesia
| | - Muhamad Aldi Maulana
- Biomolecular and Biomedical Research Center, Aretha Medika Utama, Bandung, West Java, Indonesia
| | - Rizal Rizal
- Biomolecular and Biomedical Research Center, Aretha Medika Utama, Bandung, West Java, Indonesia,Biomedical Engineering, Department of Electrical Engineering, Faculty of Engineering, University of Indonesia, Depok, West Java, Indonesia
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Li Z, Liu Z, Luo M, Li X, Chen H, Gong S, Zhang M, Zhang Y, Liu H, Li X. The pathological role of damaged organelles in renal tubular epithelial cells in the progression of acute kidney injury. Cell Death Dis 2022; 8:239. [PMID: 35501332 PMCID: PMC9061711 DOI: 10.1038/s41420-022-01034-0] [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: 02/08/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/14/2022]
Abstract
Acute kidney injury (AKI) is a common clinical condition associated with high morbidity and mortality. The pathogenesis of AKI has not been fully elucidated, with a lack of effective treatment. Renal tubular epithelial cells (TECs) play an important role in AKI, and their damage and repair largely determine the progression and prognosis of AKI. In recent decades, it has been found that the mitochondria, endoplasmic reticulum (ER), lysosomes, and other organelles in TECs are damaged to varying degrees in AKI, and that they can influence each other through various signaling mechanisms that affect the recovery of TECs. However, the association between these multifaceted signaling platforms, particularly between mitochondria and lysosomes during AKI remains unclear. This review summarizes the specific pathophysiological mechanisms of the main TECs organelles in the context of AKI, particularly the potential interactions among them, in order to provide insights into possible novel treatment strategies.
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Affiliation(s)
- Zixian Li
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Zejian Liu
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Mianna Luo
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Xingyu Li
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Huixia Chen
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Siqiao Gong
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Minjie Zhang
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Yaozhi Zhang
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Huafeng Liu
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Xiaoyu Li
- Institute of Nephrology, and Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
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8
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Wu Q, Sun S, Wei L, Liu M, Liu H, Liu T, Zhou Y, Jia Q, Wang D, Yang Z, Duan M, Yang X, Gao P, Ning X. Twist1 regulates macrophage plasticity to promote renal fibrosis through galectin-3. Cell Mol Life Sci 2022; 79:137. [PMID: 35182235 PMCID: PMC8858306 DOI: 10.1007/s00018-022-04137-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/21/2021] [Accepted: 01/05/2022] [Indexed: 11/28/2022]
Abstract
Renal interstitial fibrosis is the pathological basis of end-stage renal disease, in which the heterogeneity of macrophages in renal microenvironment plays an important role. However, the molecular mechanisms of macrophage plasticity during renal fibrosis progression remain unclear. In this study, we found for the first time that increased expression of Twist1 in macrophages was significantly associated with the severity of renal fibrosis in IgA nephropathy patients and mice with unilateral ureteral obstruction (UUO). Ablation of Twist1 in macrophages markedly alleviated renal tubular injury and renal fibrosis in UUO mice, accompanied by a lower extent of macrophage infiltration and M2 polarization in the kidney. The knockdown of Twist1 inhibited the chemotaxis and migration of macrophages, at least partially, through the CCL2/CCR2 axis. Twist1 downregulation inhibited M2 macrophage polarization and reduced the secretion of the profibrotic factors Arg-1, MR (CD206), IL-10, and TGF-β. Galectin-3 was decreased in the macrophages of the conditional Twist1-deficient mice, and Twist1 was shown to directly activate galectin-3 transcription. Up-regulation of galectin-3 recovered Twist1-mediated M2 macrophage polarization. In conclusion, Twist1/galectin-3 signaling regulates macrophage plasticity (M2 phenotype) and promotes renal fibrosis. This study could suggest new strategies for delaying kidney fibrosis in patients with chronic kidney disease.
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Affiliation(s)
- Qingfeng Wu
- Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, No. 127 Chang le West Road, Xi'an, 710032, Shaanxi, China.,Department of Geriatrics, Ninth Hospital of Xi'an City, Xi'an, 710054, Shaanxi, China
| | - Shiren Sun
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.,State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Lei Wei
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Minna Liu
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Hao Liu
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Ting Liu
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Ying Zhou
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Qing Jia
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Di Wang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Zhen Yang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Menglu Duan
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Xiaoxia Yang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Peisong Gao
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Johns Hopkins Asthma and Allergy Center, 5501 Hopkins Bayview Circle, Room 2B. 71B, Baltimore, MD, 21224, USA.,Johns Hopkins Asthma and Allergy Center, 5501 Hopkins Bayview Circle, Room 3B.71, Baltimore, MD, 21224, USA
| | - Xiaoxuan Ning
- Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, No. 127 Chang le West Road, Xi'an, 710032, Shaanxi, China. .,State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.
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The protective function of miR-378 in the ischemia-reperfusion injury during renal transplantation and subsequent interstitial fibrosis of the renal allograft. Int Urol Nephrol 2020; 52:1791-1800. [PMID: 32661619 DOI: 10.1007/s11255-020-02540-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 06/15/2020] [Indexed: 10/23/2022]
Abstract
Survival time of kidney transplant patients is primarily threatened by chronic allograft dysfunction (CAD), whose typical feature is interstitial fibrosis and tubular atrophy (IF/TA). CAD could be caused by ischemia-reperfusion injury (IRI) during renal transplantation. MiR-378 is correlated with multiple kidney diseases and implicated in CAD. To clarify the underlying mechanism of miR-378 on renal allograft, we utilize renal unilateral IRI mice and H/R NRK52E cells. To evaluate the acute tubular damage, we determined the apoptotic rate by TUNEL assay and examined mice kidney sections of H&E staining 1 day after IRI. To assess the chronic renal interstitial inflammation and fibrosis, we detected the infiltration rates of CD45R+ leukocytes and Ly6b+ neutrophils by immunohistochemistry, examined mice kidney sections of picrosirius staining and measured the mRNA level of Col1a1 14 days after IRI. To investigate the H/R injury of NRK52E cells, MTT assay was performed to detect cell viability, TUNEL assay was performed to determine apoptotic rate and luciferase reporter assay was carried out to demonstrate the potential target of miR-378. Moreover, we determined the levels of miR-378 of renal allograft biopsies in healthy patients and patients diagnosed with IF/TA. We found agomir-378 treatment significantly reduced the apoptotic rate and tubular damage scores assessed by H&E staining 1 day after IRI. Agomir-378 treatment also decreased infiltration rates of both CD45R+ leukocytes and Ly6b+ neutrophils and fibrosis examined by picrosirius staining and by the mRNA level of Col1a1 14 days after IRI. Experiments in vitro revealed that miR-378 increased cell viability and decreased apoptotic rate of NRK52E cells subjected to H/R. Additionally, luciferase reporter assay confirmed that caspase 3 was targeted by miR-378 directly. Furthermore, we found the levels of miR-378 were significantly lower in renal allografts of patients with IF/TA than those of healthy controls. Taken together, we have found that miR-378 has potential protective effects on renal allografts to prevent IRI during kidney transplantation and following IF/TA of renal allografts.
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