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Li L, Zhang Y, Wang Z, Chen X, Fang M. Glycyrrhizin attenuates renal inflammation in a mouse Con A-hepatitis model via the IL-25/M2 axis. Ren Fail 2024; 46:2356023. [PMID: 38785317 PMCID: PMC11133957 DOI: 10.1080/0886022x.2024.2356023] [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: 01/16/2024] [Accepted: 05/12/2024] [Indexed: 05/25/2024] Open
Abstract
Glycyrrhizin (GL) has immunoregulatory effects on various inflammatory diseases including hepatitis and nephritis. However, the mechanisms underlying the anti-inflammatory effect of GL on renal inflammation are not fully understood. Hepatorenal syndrome (HRS) is a functional acute renal impairment that occurs in severe liver disease, and we found that kidney injury also occurs in Con A-induced experimental hepatitis in mice. We previously found that GL can alleviate Con A-induced hepatitis by regulating the expression of IL-25 in the liver. We wanted to investigate whether GL can alleviate Con A-induced nephritis by regulating IL-25. IL-25 regulates inflammation by modulating type 2 immune responses, but the mechanism by which IL-25 affects kidney disease remains unclear. In this study, we found that the administration of GL enhanced the expression of IL-25 in renal tissues; the latter promoted the generation of type 2 macrophages (M2), which inhibited inflammation in the kidney caused by Con A challenge. IL-25 promoted the secretion of the inhibitory cytokine IL-10 by macrophages but inhibited the expression of the inflammatory cytokine IL-1β by macrophages. Moreover, IL-25 downregulated the Con A-mediated expression of Toll-like receptor (TLR) 4 on macrophages. By comparing the roles of TLR2 and TLR4, we found that TLR4 is required for the immunoregulatory effect of IL-25 on macrophages. Our data revealed that GL has anti-inflammatory effects on Con A-induced kidney injury and that the GL/IL-25/M2 axis participates in the anti-inflammatory process. This study suggested that GL is a potential therapeutic for protecting against acute kidney injury.
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Affiliation(s)
- Lingyun Li
- Department of Gastroenterology, Affiliated Hangzhou First People’s Hospital, Westlake University School of Medicine, Hangzhou, China
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuanyue Zhang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhongyan Wang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiangyu Chen
- Department of Laboratory Medicine, Weifang Medical University, Weifang, China
| | - Min Fang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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2
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Zuo D, Luo M, Liu C, Yang A, Shen Y, Xu J, He A, Li X. HAO2 protects from proximal tubular cells injured in rats with chronic kidney disease by promoting fatty acid metabolic processes. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167342. [PMID: 39002705 DOI: 10.1016/j.bbadis.2024.167342] [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: 01/10/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/15/2024]
Abstract
The complex pathogenesis of kidney disease is closely related to the diversity of kidney intrinsic cells. In this study, single-cell transcriptome sequencing technology was used to sequence and analyze blood and kidney tissue cells in normal control rats and rats with chronic kidney disease (CKD), focusing on key cell populations and functional enrichment to explore the pathogenesis of CKD. Oil red O staining and enzyme-linked immunosorbent assay (ELISA) were used to detect lipid droplets and free fatty acid (FFA). Quantitative real-time polymerase chain reaction (RT-PCR), western blot (WB) were used to verify the differential gene hydroxyacid oxidase 2 (HAO2) and fatty acid metabolic process in tissue to ensure the reliability of single-cell sequencing results. We successfully established a single-cell transcriptome atlas of blood and kidney tissue in rats with CKD, which were annotated into 14 cell subsets (MPCs, PT, Tc, DCT, B-IC, A-IC, CNT, ALOH, BC, Neu, Endo, Pla, NKT, Baso) according to marker gene, and the integrated single-cell atlas of rats showed a significant increase and decrease of MPCs and PTs in the CKD group, respectively. Functional analysis found extensive enrichment of metabolic-related pathways in PT cells, includes fatty acid metabolic process, cellular amino acid metabolic process and generation of precursor metabolites and energy. Immunohistochemical experiments determined that the differential gene HAO2 was localized in the renal tubules, and its expression was significantly reduced in CKD group compared with control, and oil red O staining showed that lipid droplets increased in the CKD group, after overexpression of HAO2 the lipid droplets was inhibited. ELISA assay showed that ATP content decreased in the CKD group and FFA increased in the CKD group. Moreover, the mitochondrial membrane potential of the cells in the OE-HAO2 group was significantly increased compared with OE-NC. The acyl-CoA oxidase 1(ACOX1), peroxisome proliferator-activated receptor alpha (PPARα), peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC1α) were decreased in the CKD group, while genes and proteins were increased after overexpression of HAO2, and the AMP-activated protein kinase (AMPK) phosphorylated proteins were increased, the acetyl-CoA carboxylase (ACC) phosphorylated proteins were decreased, reversely. Therefore, HAO2 may be an important regulator of fatty acid metabolic processes in CKD, and overexpression of HAO2 can enhance fatty acid metabolism by promoting fatty acid oxidation (FAO) pathway.
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Affiliation(s)
- Deyu Zuo
- Department of Rehabilitation Medicine, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China; Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China
| | - Minghao Luo
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.; Cardiovascular Disease Laboratory of Chongqing Medical University, Chongqing, China
| | - Chengxuan Liu
- Department of Nephrology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China
| | - Aimin Yang
- School of Life Sciences, Chongqing University, Chongqing, China
| | - Youfeng Shen
- Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China
| | - Jian Xu
- Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China
| | - An He
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.; Cardiovascular Disease Laboratory of Chongqing Medical University, Chongqing, China.
| | - Xunjia Li
- Department of Nephrology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China; Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China.
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3
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Li G, Yang H, Zhang D, Zhang Y, Liu B, Wang Y, Zhou H, Xu ZX, Wang Y. The role of macrophages in fibrosis of chronic kidney disease. Biomed Pharmacother 2024; 177:117079. [PMID: 38968801 DOI: 10.1016/j.biopha.2024.117079] [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: 05/08/2024] [Revised: 06/23/2024] [Accepted: 06/29/2024] [Indexed: 07/07/2024] Open
Abstract
Macrophages are widely distributed throughout various tissues of the body, and mounting evidence suggests their involvement in regulating the tissue microenvironment, thereby influencing disease onset and progression through direct or indirect actions. In chronic kidney disease (CKD), disturbances in renal functional homeostasis lead to inflammatory cell infiltration, tubular expansion, glomerular atrophy, and subsequent renal fibrosis. Macrophages play a pivotal role in this pathological process. Therefore, understanding their role is imperative for investigating CKD progression, mitigating its advancement, and offering novel research perspectives for fibrosis treatment from an immunological standpoint. This review primarily delves into the intrinsic characteristics of macrophages, their origins, diverse subtypes, and their associations with renal fibrosis. Particular emphasis is placed on the transition between M1 and M2 phenotypes. In late-stage CKD, there is a shift from the M1 to the M2 phenotype, accompanied by an increased prevalence of M2 macrophages. This transition is governed by the activation of the TGF-β1/SMAD3 and JAK/STAT pathways, which facilitate macrophage-to-myofibroblast transition (MMT). The tyrosine kinase Src is involved in both signaling cascades. By thoroughly elucidating macrophage functions and comprehending the modes and molecular mechanisms of macrophage-fibroblast interaction in the kidney, novel, tailored therapeutic strategies for preventing or attenuating the progression of CKD can be developed.
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Affiliation(s)
- Guangtao Li
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Hongxia Yang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Dan Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Yanghe Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Bin Liu
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yuxiong Wang
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Honglan Zhou
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China.
| | - Zhi-Xiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
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Li X, Yuan F, Xiong Y, Tang Y, Li Z, Ai J, Miao J, Ye W, Zhou S, Wu Q, Wang X, Xu D, Li J, Huang J, Chen Q, Shen W, Liu Y, Hou FF, Zhou L. FAM3A plays a key role in protecting against tubular cell pyroptosis and acute kidney injury. Redox Biol 2024; 74:103225. [PMID: 38875957 PMCID: PMC11226986 DOI: 10.1016/j.redox.2024.103225] [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: 02/28/2024] [Revised: 05/21/2024] [Accepted: 06/04/2024] [Indexed: 06/16/2024] Open
Abstract
Acute kidney injury (AKI) is in high prevalence worldwide but with no therapeutic strategies. Programmed cell death in tubular epithelial cells has been reported to accelerate a variety of AKI, but the major pathways and underlying mechanisms are not defined. Herein, we identified that pyroptosis was responsible for AKI progression and related to ATP depletion in renal tubular cells. We found that FAM3A, a mitochondrial protein that assists ATP synthesis, was decreased and negatively correlated with tubular cell injury and pyroptosis in both mice and patients with AKI. Knockout of FAM3A worsened kidney function decline, increased macrophage and neutrophil cell infiltration, and facilitated tubular cell pyroptosis in ischemia/reperfusion injury model. Conversely, FAM3A overexpression alleviated tubular cell pyroptosis, and inhibited kidney injury in ischemic AKI. Mechanistically, FAM3A promoted PI3K/AKT/NRF2 signaling, thus blocking mitochondrial reactive oxygen species (mt-ROS) accumulation. NLRP3 inflammasome sensed the overload of mt-ROS and then activated Caspase-1, which cleaved GSDMD, pro-IL-1β, and pro-IL-18 into their mature forms to mediate pyroptosis. Of interest, NRF2 activator alleviated the pro-pyroptotic effects of FAM3A depletion, whereas the deletion of NRF2 blocked the anti-pyroptotic function of FAM3A. Thus, our study provides new mechanisms for AKI progression and demonstrates that FAM3A is a potential therapeutic target for treating AKI.
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Affiliation(s)
- Xiaolong Li
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Feifei Yuan
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yabing Xiong
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ying Tang
- Department of Nephrology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Zhiru Li
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jun Ai
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jinhua Miao
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wenting Ye
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shan Zhou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qinyu Wu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoxu Wang
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Dan Xu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jiemei Li
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jiewu Huang
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qiurong Chen
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Weiwei Shen
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Youhua Liu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fan Fan Hou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lili Zhou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Clinical Research Center for Kidney Disease, Guangdong Provincial Key Laboratory of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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5
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Song Y, Wang Y, Li J, Shen Y, Hou Y, Fu Z, Fang L, Jin B, Chen L. CD226 promotes renal fibrosis by regulating macrophage activation and migration. J Leukoc Biol 2024; 116:103-117. [PMID: 38660893 DOI: 10.1093/jleuko/qiae054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 01/29/2024] [Accepted: 02/21/2024] [Indexed: 04/26/2024] Open
Abstract
It has been found that CD226 plays an important role in regulating macrophage function, but its expression and function in macrophages during renal fibrogenesis have not been studied. Our data demonstrated that CD226 expression in macrophages was obviously upregulated in the unilateral ureteral obstruction model, while CD226 deficiency attenuated collagen deposition in renal interstitium along with fewer M1 within renal cortex and renal medulla and a lower level of proinflammatory factors compared to that of control littermates. Further studies demonstrated that Cd226-/- bone marrow-derived macrophages transferring could significantly reduce the tubular injury, collagen deposition, and proinflammatory cytokine secretion compared with that of Cd226+/+ bone marrow-derived macrophages transferring in the unilateral ureteral obstruction model. Mechanistic investigations revealed that CD226 promoted proinflammatory M1 macrophage accumulation in the kidney via suppressing KLF4 expression in macrophages. Therefore, our results uncovered a pathogenic role of CD226 during the development of chronic kidney disease by promoting monocyte infiltration from peripheral blood into the kidney and enhancing macrophage activation toward the inflammatory phenotype by suppressing KLF4 expression.
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Affiliation(s)
- Yun Song
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Yazhen Wang
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Juan Li
- College of Life Sciences, Northwest University, No.229, Taibai North Road, Beilin District, Xi'an 710069, ShaanXi, China
| | - Yuting Shen
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Yongli Hou
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Zhaoyue Fu
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Liang Fang
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Boquan Jin
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Lihua Chen
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
- College of Life Sciences, Northwest University, No.229, Taibai North Road, Beilin District, Xi'an 710069, ShaanXi, China
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Zhang D, Jiang H, Yang X, Zheng S, Li Y, Liu S, Xu X. Traditional Chinese Medicine and renal regeneration: experimental evidence and future perspectives. Chin Med 2024; 19:77. [PMID: 38831435 PMCID: PMC11149241 DOI: 10.1186/s13020-024-00935-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 04/22/2024] [Indexed: 06/05/2024] Open
Abstract
Repair of acute kidney injury (AKI) is a typical example of renal regeneration. AKI is characterized by tubular cell death, peritubular capillary (PTC) thinning, and immune system activation. After renal tubule injury, resident renal progenitor cells, or renal tubule dedifferentiation, give rise to renal progenitor cells and repair the damaged renal tubule through proliferation and differentiation. Mesenchymal stem cells (MSCs) also play an important role in renal tubular repair. AKI leads to sparse PTC, affecting the supply of nutrients and oxygen and indirectly aggravating AKI. Therefore, repairing PTC is important for the prognosis of AKI. The activation of the immune system is conducive for the body to clear the necrotic cells and debris generated by AKI; however, if the immune activation is too strong or lengthy, it will cause damage to renal tubule cells or inhibit their repair. Macrophages have been shown to play an important role in the repair of kidney injury. Traditional Chinese medicine (TCM) has unique advantages in the treatment of AKI and a series of studies have been conducted on the topic in recent years. Herein, the role of TCM in promoting the repair of renal injury and its molecular mechanism is discussed from three perspectives: repair of renal tubular epithelial cells, repair of PTC, and regulation of macrophages to provide a reference for the treatment and mechanistic research of AKI.
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Affiliation(s)
- Denglu Zhang
- Central Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Key Laboratory of Dominant Diseases of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Huihui Jiang
- Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xianzhen Yang
- Urinary Surgery, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Sanxia Zheng
- Pediatric Department, The Second Affiliated Hospital of Shandong University of Chinese Medicine, Jinan, China
| | - Yi Li
- Department of Central Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
- Engineering Laboratory of Urinary Organ and Functional Reconstruction of Shandong Province, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
| | - Shuai Liu
- Central Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
- Shandong Key Laboratory of Dominant Diseases of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Xiangdong Xu
- Central Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
- Shandong Key Laboratory of Dominant Diseases of Traditional Chinese Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
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7
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Zou Y, Wu S, Xu X, Tan X, Yang S, Chen T, Zhang J, Li S, Li W, Wang F. Cope with copper: From molecular mechanisms of cuproptosis to copper-related kidney diseases. Int Immunopharmacol 2024; 133:112075. [PMID: 38663316 DOI: 10.1016/j.intimp.2024.112075] [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: 02/07/2024] [Revised: 04/02/2024] [Accepted: 04/09/2024] [Indexed: 05/12/2024]
Abstract
Cuproptosis has recently been identified as a novel regulatory mechanism of cell death. It is characterized by the accumulation of copper in mitochondria and its binding to acylated proteins. These characteristics lead to the downregulation of iron-sulfur cluster proteins and protein toxicity stress, ultimately resulting in cell death. Cuproptosis is distinct from other types of cell death, including necrosis, apoptosis, ferroptosis, and pyroptosis. Cu induces oxidative stress damage, protein acylation, and the oligomerization of acylated TCA cycle proteins. These processes lead to the downregulation of iron-sulfur cluster proteins and protein toxicity stress, disrupting cellular Cu homeostasis, and causing cell death. Cuproptosis plays a significant role in the development and progression of various kidney diseases such as acute kidney injury, chronic kidney disease, diabetic nephropathy, kidney transplantation, and kidney stones. On the one hand, inducers of cuproptosis, such as disulfiram (DSF), chloroquinolone, and elesclomol facilitate cuproptosis by promoting cell oxidative stress. In contrast, inhibitors of Cu chelators, such as tetraethylenepentamine and tetrathiomolybdate, relieve these diseases by inhibiting apoptosis. To summarize, cuproptosis plays a significant role in the pathogenesis of kidney disease. This review comprehensively discusses the molecular mechanisms underlying cuproptosis and its significance in kidney diseases.
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Affiliation(s)
- Yurong Zou
- Department of Nephrology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Shukun Wu
- Department of Nephrology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Xingli Xu
- State Key Laboratory for Innovation and Transformation of Luobing Theory, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Xiaoqiu Tan
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
| | - Shuang Yang
- Department of Nephrology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Tangting Chen
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
| | - Jiong Zhang
- Department of Nephrology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Shengqiang Li
- Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, China.
| | - Wei Li
- Department of Emergency Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
| | - Fang Wang
- Department of Nephrology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
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8
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Li J, Yan X, Wu Z, Shen J, Li Y, Zhao Y, Du F, Li M, Wu X, Chen Y, Xiao Z, Wang S. Role of miRNAs in macrophage-mediated kidney injury. Pediatr Nephrol 2024:10.1007/s00467-024-06414-5. [PMID: 38801452 DOI: 10.1007/s00467-024-06414-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/13/2024] [Accepted: 05/03/2024] [Indexed: 05/29/2024]
Abstract
Macrophages, crucial components of the human immune system, can be polarized into M1/M2 phenotypes, each with distinct functions and roles. Macrophage polarization has been reported to be significantly involved in the inflammation and fibrosis observed in kidney injury. MicroRNA (miRNA), a type of short RNA lacking protein-coding function, can inhibit specific mRNA by partially binding to its target mRNA. The intricate association between miRNAs and macrophages has been attracting increasing interest in recent years. This review discusses the role of miRNAs in regulating macrophage-mediated kidney injury. It shows how miRNAs can influence macrophage polarization, thereby altering the biological function of macrophages in the kidney. Furthermore, this review highlights the significance of miRNAs derived from exosomes and extracellular vesicles as a crucial mediator in the crosstalk between macrophages and kidney cells. The potential of miRNAs as treatment applications and biomarkers for macrophage-mediated kidney injury is also discussed.
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Affiliation(s)
- Junxin Li
- Department of Pharmacy, Affiliated Hospital, Southwest Medical University, Luzhou, 646000, China
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Xida Yan
- Department of Pharmacy, Affiliated Hospital, Southwest Medical University, Luzhou, 646000, China
- Department of Pharmacy, Mianyang Central Hospital, Mianyang, China
| | - Zhigui Wu
- Department of Pharmacy, Affiliated Hospital, Southwest Medical University, Luzhou, 646000, China
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Jing Shen
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Yalin Li
- Department of Pharmacy, Affiliated Hospital, Southwest Medical University, Luzhou, 646000, China
| | - Yueshui Zhao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Fukuan Du
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Mingxing Li
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Xu Wu
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Yu Chen
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Zhangang Xiao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
- South Sichuan Institute of Translational Medicine, Luzhou, 646000, China
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, China
| | - Shurong Wang
- Department of Pharmacy, Affiliated Hospital, Southwest Medical University, Luzhou, 646000, China.
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9
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Islamuddin M, Qin X. Renal macrophages and NLRP3 inflammasomes in kidney diseases and therapeutics. Cell Death Discov 2024; 10:229. [PMID: 38740765 DOI: 10.1038/s41420-024-01996-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/22/2024] [Accepted: 04/26/2024] [Indexed: 05/16/2024] Open
Abstract
Macrophages are exceptionally diversified cell types and perform unique features and functions when exposed to different stimuli within the specific microenvironment of various kidney diseases. In instances of kidney tissue necrosis or infection, specific patterns associated with damage or pathogens prompt the development of pro-inflammatory macrophages (M1). These M1 macrophages contribute to exacerbating tissue damage, inflammation, and eventual fibrosis. Conversely, anti-inflammatory macrophages (M2) arise in the same circumstances, contributing to kidney repair and regeneration processes. Impaired tissue repair causes fibrosis, and hence macrophages play a protective and pathogenic role. In response to harmful stimuli within the body, inflammasomes, complex assemblies of multiple proteins, assume a pivotal function in innate immunity. The initiation of inflammasomes triggers the activation of caspase 1, which in turn facilitates the maturation of cytokines, inflammation, and cell death. Macrophages in the kidneys possess the complete elements of the NLRP3 inflammasome, including NLRP3, ASC, and pro-caspase-1. When the NLRP3 inflammasomes are activated, it triggers the activation of caspase-1, resulting in the release of mature proinflammatory cytokines (IL)-1β and IL-18 and cleavage of Gasdermin D (GSDMD). This activation process therefore then induces pyroptosis, leading to renal inflammation, cell death, and renal dysfunction. The NLRP3-ASC-caspase-1-IL-1β-IL-18 pathway has been identified as a factor in the development of the pathophysiology of numerous kidney diseases. In this review, we explore current progress in understanding macrophage behavior concerning inflammation, injury, and fibrosis in kidneys. Emphasizing the pivotal role of activated macrophages in both the advancement and recovery phases of renal diseases, the article delves into potential strategies to modify macrophage functionality and it also discusses emerging approaches to selectively target NLRP3 inflammasomes and their signaling components within the kidney, aiming to facilitate the healing process in kidney diseases.
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Affiliation(s)
- Mohammad Islamuddin
- Division of Comparative Pathology, Tulane National Primate Research Center, Tulane University School of Medicine, Tulane University, 18703 Three Rivers Road, Covington, LA, 70433, USA.
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.
| | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Tulane University School of Medicine, Tulane University, 18703 Three Rivers Road, Covington, LA, 70433, USA.
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.
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10
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Livingston MJ, Zhang M, Kwon SH, Chen JK, Li H, Manicassamy S, Dong Z. Autophagy activates EGR1 via MAPK/ERK to induce FGF2 in renal tubular cells for fibroblast activation and fibrosis during maladaptive kidney repair. Autophagy 2024; 20:1032-1053. [PMID: 37978868 PMCID: PMC11135847 DOI: 10.1080/15548627.2023.2281156] [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: 05/23/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023] Open
Abstract
Macroautophagy/autophagy contributes to maladaptive kidney repair by inducing pro-fibrotic factors such as FGF2 (fibroblast growth factor 2), but the underlying mechanism remains elusive. Here, we show that EGR1 (early growth response 1) was induced in injured proximal tubules after ischemic acute kidney injury (AKI) and this induction was suppressed by autophagy deficiency in inducible, renal tubule-specific atg7 (autophagy related 7) knockout (iRT-atg7 KO) mice. In cultured proximal tubular cells, TGFB1 (transforming growth factor beta 1) induced EGR1 and this induction was also autophagy dependent. Egr1 knockdown in tubular cells reduced FGF2 expression during TGFB1 treatment, leading to less FGF2 secretion and decreased paracrine effects on fibroblasts. ChIP assay detected an increased binding of EGR1 to the Fgf2 gene promoter in TGFB1-treated tubular cells. Both Fgf2 and Egr1 transcription was inhibited by FGF2 neutralizing antibody, suggesting a positive feedback for EGR1-mediated FGF2 autoregulation. This feedback was confirmed using fgf2-deficient tubular cells and fgf2-deficient mice. Upstream of EGR1, autophagy deficiency in mice suppressed MAPK/ERK (mitogen-activated protein kinase) activation in post-ischemic renal tubules. This inhibition correlated with SQSTM1/p62 (sequestosome 1) aggregation and its sequestration of MAPK/ERK. SQSTM1/p62 interacted with MAPK/ERK and blocked its activation during TGFB1 treatment in autophagy-deficient tubular cells. Inhibition of MAPK/ERK suppressed EGR1 and FGF2 expression in maladaptive tubules, leading to the amelioration of renal fibrosis and improvement of renal function. These results suggest that autophagy activates MAPK/ERK in renal tubular cells, which induces EGR1 to transactivate FGF2. FGF2 is then secreted into the interstitium to stimulate fibroblasts for fibrogenesis.Abbreviation: 3-MA: 3-methyladenine; ACTA2/α-SMA: actin alpha 2, smooth muscle, aorta; ACTB/β-actin: actin, beta; AKI: acute kidney injury; aa: amino acid; ATG/Atg: autophagy related; BUN: blood urea nitrogen; ChIP: chromatin immunoprecipitation; CKD: chronic kidney disease; CM: conditioned medium; COL1A1: collagen, type I, alpha 1; COL4A1: collagen, type IV, alpha 1; CQ: chloroquine; DBA: dolichos biflorus agglutinin; EGR1: early growth response 1; ELK1: ELK1, member of ETS oncogene family; FGF2: fibroblast growth factor 2; FN1: fibronectin 1; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; HAVCR1/KIM-1: hepatitis A virus cellular receptor 1; IP: immunoprecipitation; LIR: LC3-interacting region; MAP1LC3B/LC3B: microtubule-associated protein 1 light chain 3 beta; MAP2K/MEK: mitogen-activated protein kinase kinase; MAPK: mitogen-activated protein kinase; NFKB: nuclear factor kappa B; PB1: Phox and Bem1; PFT: pifithrin α; PPIB/cyclophilin B: peptidylprolyl isomerase B; RT-qPCR: real time-quantitative PCR; SQSTM1/p62: sequestosome 1; TGFB1/TGF-β1: transforming growth factor beta 1; VIM: vimentin.
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Affiliation(s)
- Man J. Livingston
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
- Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Ming Zhang
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Sang-Ho Kwon
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Jian-Kang Chen
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Honglin Li
- Department of Biochemistry and Molecular Biology, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Santhakumar Manicassamy
- Department of Biochemistry and Molecular Biology, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Zheng Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
- Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA
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11
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Wu X, Zhou L, Li Z, Rong K, Gao S, Chen Y, Zuo J, Tang W. Arylacryl amides: Design, synthesis and the protection against cisplatin-induced acute kidney injury via TLR4/STING/NF-κB pathway. Bioorg Chem 2024; 146:107303. [PMID: 38521012 DOI: 10.1016/j.bioorg.2024.107303] [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: 02/07/2024] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024]
Abstract
Arylpropionic ester scaffold was found as anti-inflammatory agents for the treatment and prevention of acute kidney injury (AKI). To further study the structure-activity relationship (SAR) of this scaffold, a series of acryl amides were designed, synthesized, and evaluated their anti-inflammation. Of these, compound 9d displayed the protective effect on renal tubular epithelial cells to significantly enhance the survival rate through inhibiting NF-κB phosphorylation and promoting cell proliferation in cisplatin-induced HK2 cells. Furthermore, 9d can interact with TLR4 to inhibit TLR4/STING/NF-κB pathway in the RAW264.7 cell. In vivo AKI mice model, 9d significantly downregulated the level of serum creatinine (Scr), blood urea nitrogen (BUN) and the inflammatory factors (IL-1β, IL-6, TNF-α) to improve kidney function. Morphological and KIM-1 analyses showed that 9d alleviated cisplatin-induced tubular damage. In a word, 9d was a promising lead compound for preventive and therapeutic of AKI.
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Affiliation(s)
- Xiaoming Wu
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China
| | - Long Zhou
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China
| | - Ziyun Li
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China
| | - Kuanrong Rong
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China
| | - Shan Gao
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China
| | - Yun Chen
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China
| | - Jiawei Zuo
- Department of Pharmacy, The Second Affiliated Hospital of Anhui Medical University, Hefei 230011, China.
| | - Wenjian Tang
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China.
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12
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Jacobs ME, de Vries DK, Engelse MA, Dumas SJ, Rabelink TJ. Endothelial to mesenchymal transition in kidney fibrosis. Nephrol Dial Transplant 2024; 39:752-760. [PMID: 37968135 DOI: 10.1093/ndt/gfad238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Indexed: 11/17/2023] Open
Abstract
Fibrotic diseases are characterized by the uncontrolled accumulation of extracellular matrix (ECM) components leading to disruption of tissue homeostasis. Myofibroblasts as the main ECM-producing cells can originate from various differentiated cell types after injury. Particularly, the process of endothelial-to-mesenchymal transition (endMT), describing phenotypic shifts of endothelial cells to adopt a fully mesenchymal identity, may contribute to the pool of myofibroblasts in fibrosis, while leading to capillary rarefaction and exacerbation of tissue hypoxia. In renal disease, incomplete recovery from acute kidney injury (AKI) and the ensuing fibrotic reaction stand out as major contributors to chronic kidney disease (CKD) development. While the focus has largely been on impaired tubular epithelial repair as a potential fibrosis-driving mechanism, alterations in the renal microcirculation post-AKI, and in particular endMT as a maladaptive response, could hold equal significance. Dysfunctional interplays among various cell types in the kidney microenvironment can instigate endMT. Transforming growth factor beta (TGF-β) signaling, with its downstream activation of canonical/Smad-mediated and non-canonical pathways, has been identified as primary driver of this process. However, non-TGF-β-mediated pathways involving inflammatory agents and metabolic shifts in intercellular communication within the tissue microenvironment can also trigger endMT. These harmful, maladaptive cell-cell interactions and signaling pathways offer potential targets for therapeutic intervention to impede endMT and decelerate fibrogenesis such as in AKI-CKD progression. Presently, partial reduction of TGF-β signaling using anti-diabetic drugs or statins may hold therapeutic potential in renal context. Nevertheless, further investigation is warranted to validate underlying mechanisms and assess positive effects within a clinical framework.
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Affiliation(s)
- Marleen E Jacobs
- Department of Internal Medicine (Nephrology) & The Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands
| | - Dorottya K de Vries
- Transplant Center, Leiden University Medical Center, Leiden, The Netherlands
- Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Marten A Engelse
- Department of Internal Medicine (Nephrology) & The Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands
| | - Sébastien J Dumas
- Department of Internal Medicine (Nephrology) & The Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands
| | - Ton J Rabelink
- Department of Internal Medicine (Nephrology) & The Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands
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13
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Zhu J, Xiang X, Shi L, Song Z, Dong Z. Identification of Differentially Expressed Genes in Cold Storage-associated Kidney Transplantation. Transplantation 2024:00007890-990000000-00730. [PMID: 38632678 DOI: 10.1097/tp.0000000000005016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
BACKGROUND Although it is acknowledged that ischemia-reperfusion injury is the primary pathology of cold storage-associated kidney transplantation, its underlying mechanism is not well elucidated. METHODS To extend the understanding of molecular events and mine hub genes posttransplantation, we performed bulk RNA sequencing at different time points (24 h, day 7, and day 14) on a murine kidney transplantation model with prolonged cold storage (10 h). RESULTS In the present study, we showed that genes related to the regulation of apoptotic process, DNA damage response, cell cycle/proliferation, and inflammatory response were steadily elevated at 24 h and day 7. The upregulated gene profiling delicately transformed to extracellular matrix organization and fibrosis at day 14. It is prominent that metabolism-associated genes persistently took the first place among downregulated genes. The gene ontology terms of particular note to enrich are fatty acid oxidation and mitochondria energy metabolism. Correspondingly, the key enzymes of the above processes were the products of hub genes as recognized. Moreover, we highlighted the proximal tubular cell-specific increased genes at 24 h by combining the data with public RNA-Seq performed on proximal tubules. We also focused on ferroptosis-related genes and fatty acid oxidation genes to show profound gene dysregulation in kidney transplantation. CONCLUSIONS The comprehensive characterization of transcriptomic analysis may help provide diagnostic biomarkers and therapeutic targets in kidney transplantation.
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Affiliation(s)
- Jiefu Zhu
- Department of Transplantation, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood Veteran Affairs Medical Center, Augusta, GA
| | - Xiaohong Xiang
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lang Shi
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhixia Song
- Department of Nephrology, The First Clinical Medical College of Three Gorges University, Center People's Hospital of Yichang, Yichang, Hubei, China
| | - Zheng Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood Veteran Affairs Medical Center, Augusta, GA
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14
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Xiong J, Zhao J. Pyroptosis: The Determinator of Cell Death and Fate in Acute Kidney Injury. KIDNEY DISEASES (BASEL, SWITZERLAND) 2024; 10:118-131. [PMID: 38751798 PMCID: PMC11095617 DOI: 10.1159/000535894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/15/2023] [Indexed: 05/18/2024]
Abstract
Background Acute kidney injury (AKI) is kidney damage that leads to a rapid decline in function. AKI primarily occurs when the tubular epithelium is damaged, causing swelling, loss of brush margin, and eventual apoptosis. Research has shown that tubular epithelial cell damage in AKI is linked to cell cycle arrest, autophagy, and regulation of cell death. Summary Pyroptosis, a type of programmed cell death triggered by inflammation, is believed to play a role in the pathophysiology of AKI. Cumulative evidence has shown that pyroptosis is the main cause of tubular cell death in AKI. Thus, targeted intervention of pyroptosis may be a promising therapeutic approach for AKI. This review delves deep into the cutting-edge research surrounding pyroptosis in the context of AKI, shedding light on its intricate mechanisms and potential implications for clinical practice. Additionally, we explore the exciting realm of potential preclinical treatment options for AKI, aiming to pave the way for future therapeutic advancements. Key Messages Pyroptosis, a highly regulated form of cell death, plays a crucial role in determining the fate of cells during the development of AKI. This intricate process involves the activation of inflammasomes, which are multi-protein complexes that initiate pyroptotic cell death. By understanding the mechanisms underlying pyroptosis, researchers aim to gain insights into the pathogenesis of AKI and potentially identify new therapeutic targets for this condition.
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Affiliation(s)
- Jiachuan Xiong
- Department of Nephrology, The Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Kidney Center of PLA, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, PR China
| | - Jinghong Zhao
- Department of Nephrology, The Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Kidney Center of PLA, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, PR China
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15
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Chen G, Li X, Zhou X, Li Y, Yu H, Peng X, Bai X, Zhang C, Feng Z, Mei Y, Li L, Liu Y, Gou X, Jiang Y. Extracellular vesicles secreted from mesenchymal stem cells ameliorate renal ischemia reperfusion injury by delivering miR-100-5p targeting FKBP5/AKT axis. Sci Rep 2024; 14:6720. [PMID: 38509215 PMCID: PMC10954733 DOI: 10.1038/s41598-024-56950-1] [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: 12/09/2023] [Accepted: 03/13/2024] [Indexed: 03/22/2024] Open
Abstract
The incidence of acute kidney injury (AKI) due to ischemia-reperfusion (IR) injury is increasing. There is no effective treatment for AKI, and because of this clinical challenge, AKI often progresses to chronic kidney disease, which is closely associated with poor patient outcomes and high mortality rates. Small extracellular vesicles from human umbilical cord mesenchymal stem cells (hUCMSC-sEVs) play increasingly vital roles in protecting tissue function from the effects of various harmful stimuli owing to their specific biological features. In this study, we found that miR-100-5p was enriched in hUCMSC-sEVs, and miR-100-5p targeted FKBP5 and inhibited HK-2 cell apoptosis by activating the AKT pathway. HK-2 cells that were exposed to IR injury were cocultured with hUCMSC-sEVs, leading to an increase in miR-100-5p levels, a decrease in FKBP5 levels, and an increase in AKT phosphorylation at Ser 473 (AKT-473 phosphorylation). Notably, these effects were significantly reversed by transfecting hUCMSCs with an miR-100-5p inhibitor. Moreover, miR-100-5p targeted FKBP5, as confirmed by a dual luciferase reporter assay. In vivo, intravenous infusion of hUCMSC-sEVs into mice suffering from IR injury resulted in significant apoptosis inhibition, functional maintenance and renal histological protection, which in turn decreased FKBP5 expression levels. Overall, this study revealed an effect of hUCMSC-sEVs on inhibiting apoptosis; hUCMSC-sEVs reduced renal IR injury by delivering miR-100-5p to HK-2 cells, targeting FKBP5 and thereby promoting AKT-473 phosphorylation to activate the AKT pathway. This study provides novel insights into the role of hUCMSC-sEVs in the treatment of AKI.
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Affiliation(s)
- Guo Chen
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Xinyuan Li
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Xiang Zhou
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Yang Li
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Haitao Yu
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Xiang Peng
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Xuesong Bai
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Chunlin Zhang
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Zhenwei Feng
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Yuhua Mei
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Li Li
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Yu Liu
- Department of Urology, Chongqing Traditional Chinese Medicine Hospital, No.6, Panxi Road(Branch7), Jiangbei, Chongqing, 400021, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Xin Gou
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China
| | - Yuanbin Jiang
- Department of Urology, Chongqing Traditional Chinese Medicine Hospital, No.6, Panxi Road(Branch7), Jiangbei, Chongqing, 400021, China.
- Chongqing Key Laboratory of Molecular Oncology and Epigenetics, Chongqing, 400000, China.
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Zhou R, Liu H, Hou X, Liu Q, Sun S, Li X, Cao W, Nie W, Shi C, Chen W. Bi-functional KIT-PR1P peptides combine with VEGF to protect ischemic kidney in rats by targeting to Kim-1. Regen Ther 2024; 25:162-173. [PMID: 38178930 PMCID: PMC10765240 DOI: 10.1016/j.reth.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/13/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024] Open
Abstract
Introduction Acute kidney injury (AKI) was a disease with a high mortality mainly caused by renal ischemia/reperfusion injury (I/R). Although the current non-targeted administration of vascular endothelial growth factor (VEGF) for AKI had been revealed to facilitate the recovery of renal I/R, how to targeted deliver VEGF and to retain it efficiently in the ischemic kidney was critical for its clinical application. Methods In present study, bi-functional KIT-PR1P peptides were constructed which bond VEGF through PR1P domain, and targeted ischemic kidney through KIT domain to interact with biomarker of AKI-kidney injury molecule-1 (Kim-1). Then the targeted and therapeutic effects of KIT-PR1P/VEGF in AKI was explored in vitro and in vivo. Results The results showed KIT-PR1P exhibited better angiogenic capacity and targeting ability to hypoxia HK-2 cells with up-regulated Kim-1 in vitro. When KIT-PR1P/VEGF was used for the treatment of renal I/R through intravenous administration in vivo, KIT-PR1P could guide VEGF and retain its effective concentration in ischemic kidney. In addition, KIT-PR1P/VEGF promoted angiogenesis, alleviated renal tubular injury and fibrosis, and finally promoted functional recovery of renal I/R. Conclusion These results indicated that the bi-functional KIT-PR1P peptides combined with VEGF would be a promising strategy for the treatment of AKI by targeting to Kim-1.
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Affiliation(s)
- Runxue Zhou
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Hang Liu
- Department of Nephropathy, The Affiliated Hospital of Qingdao University, Qingdao, 266700, China
| | - Xianglin Hou
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics Cand Developmental Biology, Chinese Academy of Sciences, Beijing, 100190, China
| | - Qi Liu
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
- Department of Neurology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, Shandong, 266000, China
| | - Shuwei Sun
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Xiaoge Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Wenxuan Cao
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Weihong Nie
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Chunying Shi
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Wei Chen
- Department of Urology, Xinqiao Hospital, Army Medical University, Chongqing, 400038, China
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Maryam B, Smith ME, Miller SJ, Natarajan H, Zimmerman KA. Macrophage Ontogeny, Phenotype, and Function in Ischemia Reperfusion-Induced Injury and Repair. KIDNEY360 2024; 5:459-470. [PMID: 38297436 PMCID: PMC11000738 DOI: 10.34067/kid.0000000000000376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 01/22/2024] [Indexed: 02/02/2024]
Abstract
AKI is characterized by a sudden, and usually reversible, decline in kidney function. In mice, ischemia-reperfusion injury (IRI) is commonly used to model the pathophysiologic features of clinical AKI. Macrophages are a unifying feature of IRI as they regulate both the initial injury response as well as the long-term outcome following resolution of injury. Initially, macrophages in the kidney take on a proinflammatory phenotype characterized by the production of inflammatory cytokines, such as CCL2 (monocyte chemoattractant protein 1), IL-6, IL-1 β , and TNF- α . Release of these proinflammatory cytokines leads to tissue damage. After resolution of the initial injury, macrophages take on a reparative role, aiding in tissue repair and restoration of kidney function. By contrast, failure to resolve the initial injury results in prolonged inflammatory macrophage accumulation and increased kidney damage, fibrosis, and the eventual development of CKD. Despite the extensive amount of literature that has ascribed these functions to M1/M2 macrophages, a recent paradigm shift in the macrophage field now defines macrophages on the basis of their ontological origin, namely monocyte-derived and tissue-resident macrophages. In this review, we focus on macrophage phenotype and function during IRI-induced injury, repair, and transition to CKD using both the classic (M1/M2) and novel (ontological origin) definition of kidney macrophages.
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Affiliation(s)
- Bibi Maryam
- Division of Nephrology, Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Morgan E. Smith
- Division of Nephrology, Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Sarah J. Miller
- Division of Nephrology, Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Hariharasudan Natarajan
- Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Kurt A. Zimmerman
- Division of Nephrology, Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Internal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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Aggarwal S, Wang Z, Fernandez Pacheco DR, Rinaldi A, Rajewski A, Callemeyn J, Van Loon E, Lamarthée B, Covarrubias AE, Hou J, Yamashita M, Akiyama H, Karumanchi SA, Svendsen CN, Noble PW, Jordan SC, Breunig J, Naesens M, Cippà PE, Kumar S. SOX9 switch links regeneration to fibrosis at the single-cell level in mammalian kidneys. Science 2024; 383:eadd6371. [PMID: 38386758 PMCID: PMC11345873 DOI: 10.1126/science.add6371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 01/11/2024] [Indexed: 02/24/2024]
Abstract
The steps governing healing with or without fibrosis within the same microenvironment are unclear. After acute kidney injury (AKI), injured proximal tubular epithelial cells activate SOX9 for self-restoration. Using a multimodal approach for a head-to-head comparison of injury-induced SOX9 lineages, we identified a dynamic SOX9 switch in repairing epithelia. Lineages that regenerated epithelia silenced SOX9 and healed without fibrosis (SOX9on-off). By contrast, lineages with unrestored apicobasal polarity maintained SOX9 activity in sustained efforts to regenerate, which were identified as a SOX9on-on Cadherin6pos cell state. These reprogrammed cells generated substantial single-cell WNT activity to provoke a fibroproliferative response in adjacent fibroblasts, driving AKI to chronic kidney disease. Transplanted human kidneys displayed similar SOX9/CDH6/WNT2B responses. Thus, we have uncovered a sensor of epithelial repair status, the activity of which determines regeneration with or without fibrosis.
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Affiliation(s)
- Shikhar Aggarwal
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Zhanxiang Wang
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - David Rincon Fernandez Pacheco
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Anna Rinaldi
- Division of Nephrology, Ente Ospedaliero Cantonale, CH-6900 Lugano, Switzerland
| | - Alex Rajewski
- Applied Genomics, Computation, and Translational Core, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Jasper Callemeyn
- Department of Microbiology, Immunology and Transplantation, KU Leuven, BE-3000 Leuven, Belgium
| | - Elisabet Van Loon
- Department of Microbiology, Immunology and Transplantation, KU Leuven, BE-3000 Leuven, Belgium
| | - Baptiste Lamarthée
- Department of Microbiology, Immunology and Transplantation, KU Leuven, BE-3000 Leuven, Belgium
| | - Ambart Ester Covarrubias
- Division of Nephrology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Jean Hou
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Michifumi Yamashita
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Haruhiko Akiyama
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, Gifu 500-8705, Japan
| | - S. Ananth Karumanchi
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Division of Nephrology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Clive N. Svendsen
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Paul W. Noble
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Women’s Guild Lung Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Stanley C. Jordan
- Division of Nephrology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Joshua Breunig
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Maarten Naesens
- Department of Microbiology, Immunology and Transplantation, KU Leuven, BE-3000 Leuven, Belgium
| | - Pietro E Cippà
- Division of Nephrology, Ente Ospedaliero Cantonale, CH-6900 Lugano, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, CH-6900 Lugano, Switzerland
| | - Sanjeev Kumar
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Division of Nephrology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
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Slaats GG, Chen J, Levtchenko E, Verhaar MC, Arcolino FO. Advances and potential of regenerative medicine in pediatric nephrology. Pediatr Nephrol 2024; 39:383-395. [PMID: 37400705 PMCID: PMC10728238 DOI: 10.1007/s00467-023-06039-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/28/2023] [Accepted: 05/04/2023] [Indexed: 07/05/2023]
Abstract
The endogenous capacity of the kidney to repair is limited, and generation of new nephrons after injury for adequate function recovery remains a need. Discovery of factors that promote the endogenous regenerative capacity of the injured kidney or generation of transplantable kidney tissue represent promising therapeutic strategies. While several encouraging results are obtained after administration of stem or progenitor cells, stem cell secretome, or extracellular vesicles in experimental kidney injury models, very little data exist in the clinical setting to make conclusions about their efficacy. In this review, we provide an overview of the cutting-edge knowledge on kidney regeneration, including pre-clinical methodologies used to elucidate regenerative pathways and describe the perspectives of regenerative medicine for kidney patients.
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Affiliation(s)
- Gisela G Slaats
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Junyu Chen
- Department of Development and Regeneration, Cluster Woman and Child, Laboratory of Pediatric Nephrology, KU Leuven, Leuven, Belgium
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Elena Levtchenko
- Department of Development and Regeneration, Cluster Woman and Child, Laboratory of Pediatric Nephrology, KU Leuven, Leuven, Belgium
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Fanny Oliveira Arcolino
- Department of Development and Regeneration, Cluster Woman and Child, Laboratory of Pediatric Nephrology, KU Leuven, Leuven, Belgium.
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
- Emma Center for Personalized Medicine, Amsterdam University Medical Centers, 1105 AZ, Amsterdam, The Netherlands.
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Wang W, Ren X, Chen X, Hong Q, Cai G. Integrin β1-rich extracellular vesicles of kidney recruit Fn1+ macrophages to aggravate ischemia-reperfusion-induced inflammation. JCI Insight 2024; 9:e169885. [PMID: 38258908 PMCID: PMC10906229 DOI: 10.1172/jci.insight.169885] [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: 02/21/2023] [Accepted: 12/05/2023] [Indexed: 01/24/2024] Open
Abstract
Ischemia-reperfusion injury-induced (IRI-induced) acute kidney injury is accompanied by mononuclear phagocyte (MP) invasion and inflammation. However, systematic analysis of extracellular vesicle-carried (EV-carried) proteins mediating intercellular crosstalk in the IRI microenvironment is still lacking. Multiomics analysis combining single-cell RNA-Seq data of kidney and protein profiling of kidney-EV was used to elucidate the intercellular communication between proximal tubular cells (PTs) and MP. Targeted adhesion and migration of various MPs were caused by the secretion of multiple chemokines as well as integrin β1-rich EV by ischemic-damaged PTs after IRI. These recruited MPs, especially Fn1+ macrophagocyte, amplified the surviving PT's inflammatory response by secreting the inflammatory factors TNF-α, MCP-1, and thrombospondin 1 (THBS-1), which could interact with integrin β1 to promote more MP adhesion and interact with surviving PT to further promote the secretion of IL-1β. However, GW4869 reduced MP infiltration and maintained a moderate inflammatory level likely by blocking EV secretion. Our findings establish the molecular bases by which chemokines and kidney-EV mediate PT-MP crosstalk in early IRI and provide insights into systematic intercellular communication.
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Affiliation(s)
- Wenjuan Wang
- School of Medicine, Nankai University, Tianjin, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
| | - Xuejing Ren
- Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Henan Key Laboratory of Kidney Disease and Immunology, Zhengzhou, Henan, China
| | - Xiangmei Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
| | - Quan Hong
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
| | - Guangyan Cai
- School of Medicine, Nankai University, Tianjin, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, China
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21
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Li S, Hu G, Kuang L, Zhou T, Jiang H, Pang F, Li J, Chen X, Bao J, Li W, Li C, Li M, Wang L, Zhang D, Zhang J, Yang Z, Jin H. Unraveling the mechanism of ethyl acetate extract from Prismatomeris connata Y. Z. Ruan root in treating pulmonary fibrosis: insights from bioinformatics, network pharmacology, and experimental validation. Front Immunol 2024; 14:1330055. [PMID: 38259493 PMCID: PMC10801734 DOI: 10.3389/fimmu.2023.1330055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Introduction Pulmonary fibrosis is a terminal lung disease characterized by fibroblast proliferation, extracellular matrix accumulation, inflammatory damage, and tissue structure destruction. The pathogenesis of this disease, particularly idiopathic pulmonary fibrosis (IPF), remains unknown. Macrophages play major roles in organ fibrosis diseases, including pulmonary fibrosis. The phenotype and polarization of macrophages are closely associated with pulmonary fibrosis. A new direction in research on anti-pulmonary fibrosis is focused on developing drugs that maintain the stability of the pulmonary microenvironment. Methods We obtained gene sequencing data and clinical information for patients with IPF from the GEO datasets GSE110147, GSE15197, GSE24988, GSE31934, GSE32537, GSE35145, GSE53845, GSE49072, GSE70864, and GSE90010. We performed GO, KEGG enrichment analysis and GSEA analysis, and conducted weighted gene co-expression network analysis. In addition, we performed proteomic analysis of mouse lung tissue. To verify the results of bioinformatics analysis and proteomic analysis, mice were induced by intratracheal instillation of bleomycin (BLM), and gavaged for 14 days after modeling. Respiratory function of mice in different groups was measured. Lung tissues were retained for histopathological examination, Western Blot and real-time quantitative PCR, etc. In addition, lipopolysaccharide, interferon-γ and interleukin-4 were used to induce RAW264.7 cells for 12h in vitro to establish macrophage inflammation and polarization model. At the same time, HG2 intervention was given. The phenotype transformation and cytokine secretion of macrophages were investigated by Western Blot, RT-qPCR and flow cytometry, etc. Results Through bioinformatics analysis and experiments involving bleomycin-induced pulmonary fibrosis in mice, we confirmed the importance of macrophage polarization in IPF. The analysis revealed that macrophage polarization in IPF involves a change in the phenotypic spectrum. Furthermore, experiments demonstrated high expression of M2-type macrophage-associated biomarkers and inducible nitric oxide synthase, thus indicating an imbalance in M1/M2 polarization of pulmonary macrophages in mice with pulmonary fibrosis. Discussion Our investigation revealed that the ethyl acetate extract (HG2) obtained from the roots of Prismatomeris connata Y. Z. Ruan exhibits therapeutic efficacy against bleomycin-induced pulmonary fibrosis. HG2 modulates macrophage polarization, alterations in the TGF-β/Smad pathway, and downstream protein expression in the context of pulmonary fibrosis. On the basis of our findings, we believe that HG2 has potential as a novel traditional Chinese medicine component for treating pulmonary fibrosis.
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Affiliation(s)
- Sizheng Li
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guang Hu
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- School of Biomedical Sciences, Hunan University, Changsha, Hunan, China
| | - Lian Kuang
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tianyu Zhou
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haiyan Jiang
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fei Pang
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jie Li
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xinyi Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jie Bao
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Medical Products Administration (NMPA) Key Laboratory of Safety Research and Evaluation of Innovative Drug, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- R&D Department, Beijing Union-Genius Pharmaceutical Technology Development Co. Ltd., Beijing, China
| | - Wanfang Li
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Medical Products Administration (NMPA) Key Laboratory of Safety Research and Evaluation of Innovative Drug, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- R&D Department, Beijing Union-Genius Pharmaceutical Technology Development Co. Ltd., Beijing, China
| | - Chuangjun Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Menglin Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Lulu Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Dongming Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jinlan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Zengyan Yang
- Section of Science & Technology, Guangxi International Zhuang Medicine Hospital, Nanning, Guangxi, China
| | - Hongtao Jin
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Medical Products Administration (NMPA) Key Laboratory of Safety Research and Evaluation of Innovative Drug, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- R&D Department, Beijing Union-Genius Pharmaceutical Technology Development Co. Ltd., Beijing, China
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Liu D, Wang L, Ha W, Li K, Shen R, Wang D. HIF-1α: A potential therapeutic opportunity in renal fibrosis. Chem Biol Interact 2024; 387:110808. [PMID: 37980973 DOI: 10.1016/j.cbi.2023.110808] [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: 08/11/2023] [Revised: 11/04/2023] [Accepted: 11/14/2023] [Indexed: 11/21/2023]
Abstract
Renal fibrosis is a common outcome of various renal injuries, leading to structural destruction and functional decline of the kidney, and is also a critical prognostic indicator and determinant in renal diseases therapy. Hypoxia is induced in different stress and injuries in kidney, and the hypoxia inducible factors (HIFs) are activated in the context of hypoxia in response and regulation the hypoxia in time. Under stress and hypoxia conditions, HIF-1α increases rapidly and regulates intracellular energy metabolism, cell proliferation, apoptosis, and inflammation. Through reprogramming cellular metabolism, HIF-1α can directly or indirectly induce abnormal accumulation of metabolites, changes in cellular epigenetic modifications, and activation of fibrotic signals. HIF-1α protein expression and activity are regulated by various posttranslational modifications. The drugs targeting HIF-1α can regulate the downstream cascade signals by inhibiting HIF-1α activity or promoting its degradation. As the renal fibrosis is affected by renal diseases, different diseases may trigger different mechanisms which will affect the therapy effect. Therefore, comprehensive analysis of the role and contribution of HIF-1α in occurrence and progression of renal fibrosis, and determination the appropriate intervention time of HIF-1α in the process of renal fibrosis are important ideas to explore effective treatment strategies. This study reviews the regulation of HIF-1α and its mediated complex cascade reactions in renal fibrosis, and lists some drugs targeting HIF-1α that used in preclinical studies, to provide new insight for the study of the renal fibrosis mechanism.
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Affiliation(s)
- Disheng Liu
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Lu Wang
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Wuhua Ha
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Kan Li
- The First Hospital of Lanzhou University, Lanzhou University, Gansu, 730000, China
| | - Rong Shen
- School of Basic Medical Sciences, Lanzhou University, Gansu, 730000, China.
| | - Degui Wang
- School of Basic Medical Sciences, Lanzhou University, Gansu, 730000, China.
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Guo J, Chen L, Ma M. Ginsenoside Rg1 Suppresses Ferroptosis of Renal Tubular Epithelial Cells in Sepsis-induced Acute Kidney Injury via the FSP1-CoQ 10- NAD(P)H Pathway. Curr Med Chem 2024; 31:2119-2132. [PMID: 37287288 DOI: 10.2174/0929867330666230607125054] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 04/26/2023] [Accepted: 05/12/2023] [Indexed: 06/09/2023]
Abstract
INTRODUCTION Sepsis-induced acute kidney injury is related to an increased mortality rate by modulating ferroptosis through ginsenoside Rg1. In this study, we explored the specific mechanism of it. METHODS Human renal tubular epithelial cells (HK-2) were transfected with oe-ferroptosis suppressor protein 1 and treated with lipopolysaccharide for ferroptosis induction, and they were then treated with ginsenoside Rg1 and ferroptosis suppressor protein 1 inhibitor. Ferroptosis suppressor protein 1, CoQ10, CoQ10H2, and intracellular NADH levels in HK-2 cells were assessed by Western blot, ELISA kit, and NAD/NADH kit. NAD+/NADH ratio was also calculated, and 4-Hydroxynonal fluorescence intensity was assessed by immunofluorescence. HK-2 cell viability and death were assessed by CCK-8 and propidium iodide staining. Ferroptosis, lipid peroxidation, and reactive oxygen species accumulation were assessed by Western blot, kits, flow cytometry, and C11 BODIPY 581/591 molecular probe. Sepsis rat models were established by cecal ligation and perforation to investigate whether ginsenoside Rg1 regulated the ferroptosis suppressor protein 1-CoQ10-NAD(P)H pathway in vivo. RESULTS LPS treatment diminished ferroptosis suppressor protein 1, CoQ10, CoQ10H2, and NADH contents in HK-2 cells, while facilitating NAD+/NADH ratio and relative 4- Hydroxynonal fluorescence intensity. FSP1 overexpression inhibited lipopolysaccharideinduced lipid peroxidation in HK-2 cells via the ferroptosis suppressor protein 1-CoQ10- NAD(P)H pathway. The ferroptosis suppressor protein 1-CoQ10-NAD(P)H pathway suppressed lipopolysaccharide-induced ferroptosis in HK-2 cells. Ginsenoside Rg1 alleviated ferroptosis in HK-2 cells by regulating the ferroptosis suppressor protein 1-CoQ10- NAD(P)H pathway. Moreover, ginsenoside Rg1 regulated the ferroptosis suppressor protein 1-CoQ10-NAD(P)H pathway in vivo. CONCLUSION Ginsenoside Rg1 alleviated sepsis-induced acute kidney injury by blocking renal tubular epithelial cell ferroptosis via the ferroptosis suppressor protein 1-CoQ10- NAD(P)H pathway.
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Affiliation(s)
- Jun Guo
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, School of Medicine, Zhongda Hospital, Southeast University, No. 87, Dingjiaqiao Road, Gulou District, Nanjing, 210009, Jiangsu Province, China
- Department of Critical Care Medicine, Union Jiangbei Hospital, Huazhong University of Science and Technology, No. 111, Success Road, Caidian District, Wuhan, 430100, Hubei Province, China
| | - Long Chen
- Department of Critical Care Medicine, Union Jiangbei Hospital, Huazhong University of Science and Technology, No. 111, Success Road, Caidian District, Wuhan, 430100, Hubei Province, China
| | - Min Ma
- Department of Critical Care Medicine, Union Jiangbei Hospital, Huazhong University of Science and Technology, No. 111, Success Road, Caidian District, Wuhan, 430100, Hubei Province, China
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Ye P, Gu R, Zhu H, Chen J, Han F, Nie X. SOX family transcription factors as therapeutic targets in wound healing: A comprehensive review. Int J Biol Macromol 2023; 253:127243. [PMID: 37806414 DOI: 10.1016/j.ijbiomac.2023.127243] [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: 09/07/2023] [Revised: 10/02/2023] [Accepted: 10/02/2023] [Indexed: 10/10/2023]
Abstract
The SOX family plays a vital role in determining the fate of cells and has garnered attention in the fields of cancer research and regenerative medicine. It also shows promise in the study of wound healing, as it actively participates in the healing processes of various tissues such as skin, fractures, tendons, and the cornea. However, our understanding of the mechanisms behind the SOX family's involvement in wound healing is limited compared to its role in cancer. Gaining insight into its role, distribution, interaction with other factors, and modifications in traumatized tissues could provide valuable new knowledge about wound healing. Based on current research, SOX2, SOX7, and SOX9 are the most promising members of the SOX family for future interventions in wound healing. SOX2 and SOX9 promote the renewal of cells, while SOX7 enhances the microvascular environment. The SOX family holds significant potential for advancing wound healing research. This article provides a comprehensive review of the latest research advancements and therapeutic tools related to the SOX family in wound healing, as well as the potential benefits and challenges of targeting the SOX family for wound treatment.
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Affiliation(s)
- Penghui Ye
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Rifang Gu
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; School Medical Office, Zunyi Medical University, Zunyi 563006, China
| | - Huan Zhu
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Jitao Chen
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Felicity Han
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Xuqiang Nie
- Key Lab of the Basic Pharmacology of the Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China; Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia.
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Hu Z, Zhan J, Pei G, Zeng R. Depletion of macrophages with clodronate liposomes partially attenuates renal fibrosis on AKI-CKD transition. Ren Fail 2023; 45:2149412. [PMID: 36636989 PMCID: PMC9848250 DOI: 10.1080/0886022x.2022.2149412] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Clodronate liposomes are bisphosphonates encapsulated by liposomes that are known to induce macrophage depletion in vivo. In a previous study, clodronate liposomes improved renal ischemia/reperfusion (I/R) injury in mice, which may be due to effects on macrophage phenotypes. However, how inflammatory cytokines secretion participates is unknown. In this study, we investigated the effect of macrophages in the I/R kidney by depleting macrophages with clodronate liposomes and changing inflammatory cytokines. C57BL/6 mice underwent I/R injury with or without clodronate liposomes administration on Days 5 and 15. Tubular injury, collagen deposition, and fibrosis were detected and analyzed by histological staining, immunocytochemistry (IHC), flow cytometry (FACS), and reverse transcription-polymerase chain reaction (RT-PCR). Inflammatory cytokines were detected and analyzed by Western blotting and RT-PCR. We found that clodronate liposomes alleviated renal fibrosis and tissue damage on both Days 5 and 15. KIM-1, IL-10, and TGF-β were reduced significantly in the clodronate liposomes treatment group. However, TNF-α was not different between the clodronate liposomes treatment group and the phosphate-buffered saline treatment group on either Day 5 or Day 15. Thus, clodronate liposomes can alleviate renal fibrosis and tissue damage and reduce the inflammatory cytokines IL-10 and TGF-β, suggesting that clodronate liposomes alleviate renal fibrosis may because of M1/M2 polarization.
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Affiliation(s)
- Zhizhi Hu
- Division of Nephrology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, People’s Republic of China
| | - Juan Zhan
- Division of Nephrology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, People’s Republic of China
| | - Guangchang Pei
- Division of Nephrology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, People’s Republic of China
| | - Rui Zeng
- Division of Nephrology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, People’s Republic of China,CONTACT Rui Zeng Division of Nephrology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, Wuhan, People’s Republic of China
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Weiss R, Meersch M, Gerke M, Wempe C, Schäfers M, Kellum JA, Zarbock A. Effect of Glutamine Administration After Cardiac Surgery on Kidney Damage in Patients at High Risk for Acute Kidney Injury: A Randomized Controlled Trial. Anesth Analg 2023; 137:1029-1038. [PMID: 36730070 DOI: 10.1213/ane.0000000000006288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Acute kidney injury (AKI) is a common complication after cardiac surgery and is associated with increased morbidity and mortality. However, no specific treatment options are available, emphasizing the need for preventive measures. The aim of this study was to clarify the effect of glutamine on [TIMP2]*[IGFBP7] levels at the end of the intervention period. METHODS In a randomized clinical, double-blind pilot study, 64 eligible cardiac surgery patients at high risk for AKI identified by high urinary [TIMP2]*[IGFBP7] were randomized, and body weight-adapted intravenous glutamine or saline-control was administered continuously for 12 hours postoperatively. The primary outcome was urinary [TIMP2]*[IGFBP7] at the end of the 12-hour study period. Secondary outcomes included kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) at 12 hours, overall AKI rates at 72 hours, free days through day 28 of mechanical ventilation and vasoactive medication, renal recovery at day 90, requirement of renal replacement therapy and mortality each at days 30, 60, and 90, length of intensive care unit (ICU) and hospital stay, and major adverse kidney events consisting of mortality, dialysis dependency, and persistent renal dysfunction (serum creatinine ≥2× compared to baseline value) at day 90 (major adverse kidney event; MAKE 90 ). RESULTS Sixty-four patients (mean age, 68.38 [standard deviation {SD} ± 10.48] years; 10 of 64 women) were enrolled and randomized. Patients received coronary artery bypass graft surgery (32/64), valve surgery (18/64), coronary artery bypass graft and valve surgery (6/64), or other procedures (8/64). Mean on-pump time was 68.38 (standard deviation ± 10.48) minutes. After glutamine administration, urinary [TIMP-2]*[IGFBP7] was significantly lower in the glutamine compared to the control group (primary end point, intervention: median, 0.18 [Q1, Q3; 0.09, 0.29], controls: median, 0.44 [Q1, Q3; 0.14, 0.79]; P = .01). In addition, [KIM-1] and [NGAL] were also significantly lower in the glutamine group. The overall AKI rate within 72 hours was not different among groups: (intervention 11/31 [35.5%] versus control 8/32 [25.0%]; P = .419; relative risk [RR], 0.86% [95% confidence interval {CI}, 0.62-1.20]). There were no differences regarding secondary end points. CONCLUSIONS Glutamine significantly decreased markers of kidney damage in cardiac surgery patients at high risk for AKI. Future trials have to be performed to investigate whether the administration of glutamine might be able to reduce the occurrence of AKI after cardiac surgery.
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Affiliation(s)
- Raphael Weiss
- From the Departments of Anesthesiology, Intensive Care and Pain Medicine
| | - Melanie Meersch
- From the Departments of Anesthesiology, Intensive Care and Pain Medicine
| | - Mena Gerke
- From the Departments of Anesthesiology, Intensive Care and Pain Medicine
| | - Carola Wempe
- From the Departments of Anesthesiology, Intensive Care and Pain Medicine
| | | | - John A Kellum
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alexander Zarbock
- From the Departments of Anesthesiology, Intensive Care and Pain Medicine
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Zhang S, Qian S, Liu H, Xu D, Xia W, Duan H, Wang C, Yu S, Chen Y, Ji P, Wang S, Cui X, Wang Y, Shen H. LRRK2 aggravates kidney injury through promoting MFN2 degradation and abnormal mitochondrial integrity. Redox Biol 2023; 66:102860. [PMID: 37633049 PMCID: PMC10470420 DOI: 10.1016/j.redox.2023.102860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/08/2023] [Accepted: 08/19/2023] [Indexed: 08/28/2023] Open
Abstract
Mitochondrial dysfunction is one of the key features of acute kidney injury (AKI) and associated fibrosis. Leucine-rich repeat kinase 2 (LRRK2) is highly expressed in kidneys and regulates mitochondrial homeostasis. How it functions in AKI is unclear. Herein we reported that LRRK2 was dramatically downregulated in AKI kidneys. Lrrk2-/- mice exhibited less severity of AKI when compared to wild-type counterparts with less mitochondrial fragmentation and decreased reactive oxygen species (ROS) production in proximal renal tubular cells (PTCs) due to mitofusin 2 (MFN2) accumulation. Overexpression of LRRK2 in human PTC cell lines promoted LRRK2-MKK4/JNK-dependent phosphorylation of MFN2Ser27 and subsequently ubiquitination-mediated MFN2 degradation, which in turn exaggerated mitochondrial damage upon ischemia/reperfusion (I/R) mimicry treatment. Lrrk2 deficiency also alleviated AKI-to-chronic kidney disease (CKD) transition with less fibrosis. In vivo pretreatment of LRRK2 inhibitors attenuated the severity of AKI as well as CKD, potentiating LRRK2 as a novel target to alleviate AKI and fibrosis.
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Affiliation(s)
- Shun Zhang
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Subo Qian
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China.
| | - Hailong Liu
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Ding Xu
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Weimin Xia
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Huangqi Duan
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Chen Wang
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Shenggen Yu
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Yingying Chen
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Ping Ji
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shujun Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xingang Cui
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China.
| | - Ying Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Haibo Shen
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China.
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Merrick BA, Martin NP, Brooks AM, Foley JF, Dunlap PE, Ramaiahgari S, Fannin RD, Gerrish KE. Insights into Repeated Renal Injury Using RNA-Seq with Two New RPTEC Cell Lines. Int J Mol Sci 2023; 24:14228. [PMID: 37762531 PMCID: PMC10531624 DOI: 10.3390/ijms241814228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/06/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
Renal proximal tubule epithelial cells (RPTECs) are a primary site for kidney injury. We created two RPTEC lines from CD-1 mice immortalized with hTERT (human telomerase reverse transcriptase) or SV40 LgT antigen (Simian Virus 40 Large T antigen). Our hypothesis was that low-level, repeated exposure to subcytotoxic levels of 0.25-2.5 μM cisplatin (CisPt) or 12.5-100 μM aflatoxin B1 (AFB1) would activate distinctive genes and pathways in these two differently immortalized cell lines. RNA-seq showed only LgT cells responded to AFB1 with 1139 differentially expressed genes (DEGs) at 72 h. The data suggested that AFB1 had direct nephrotoxic properties on the LgT cells. However, both the cell lines responded to 2.5 μM CisPt from 3 to 96 h expressing 2000-5000 total DEGs. For CisPt, the findings indicated a coordinated transcriptional program of injury signals and repair from the expression of immune receptors with cytokine and chemokine secretion for leukocyte recruitment; robust expression of synaptic and substrate adhesion molecules (SAMs) facilitating the expression of neural and hormonal receptors, ion channels/transporters, and trophic factors; and the expression of nephrogenesis transcription factors. Pathway analysis supported the concept of a renal repair transcriptome. In summary, these cell lines provide in vitro models for the improved understanding of repeated renal injury and repair mechanisms. High-throughput screening against toxicant libraries should provide a wider perspective of their capabilities in nephrotoxicity.
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Affiliation(s)
- B. Alex Merrick
- Mechanistic Toxicology Branch, Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA; (J.F.F.); (P.E.D.); (S.R.)
| | - Negin P. Martin
- Viral Vector Core, Neurobiology Laboratory, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA;
| | - Ashley M. Brooks
- Biostatistics and Computational Biology Branch, Integrative Bioinformatics Support Group, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA;
| | - Julie F. Foley
- Mechanistic Toxicology Branch, Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA; (J.F.F.); (P.E.D.); (S.R.)
| | - Paul E. Dunlap
- Mechanistic Toxicology Branch, Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA; (J.F.F.); (P.E.D.); (S.R.)
| | - Sreenivasa Ramaiahgari
- Mechanistic Toxicology Branch, Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA; (J.F.F.); (P.E.D.); (S.R.)
| | - Rick D. Fannin
- Molecular Genomics Core Laboratory, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA; (R.D.F.)
| | - Kevin E. Gerrish
- Molecular Genomics Core Laboratory, Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA; (R.D.F.)
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Li Z, Fan X, Fan J, Zhang W, Liu J, Liu B, Zhang H. Delivering drugs to tubular cells and organelles: the application of nanodrugs in acute kidney injury. Nanomedicine (Lond) 2023; 18:1477-1493. [PMID: 37721160 DOI: 10.2217/nnm-2023-0200] [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] [Indexed: 09/19/2023] Open
Abstract
Acute kidney injury (AKI) is a common clinical syndrome with limited treatment options and high mortality rates. Proximal tubular epithelial cells (PTECs) play a key role in AKI progression. Subcellular dysfunctions, including mitochondrial, nuclear, endoplasmic reticulum and lysosomal dysfunctions, are extensively studied in PTECs. These studies have led to the development of potential therapeutic drugs. However, clinical development of those drugs faces challenges such as low solubility, short circulation time and severe systemic side effects. Nanotechnology provides a promising solution by improving drug properties through nanocrystallization and enabling targeted delivery to specific sites. This review summarizes advancements and limitations of nanoparticle-based drug-delivery systems in targeting PTECs and subcellular organelles, particularly mitochondria, for AKI treatment.
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Affiliation(s)
- Zhi Li
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Xiao Fan
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Jialong Fan
- College of Biology, Hunan University, Changsha, 410082, China
| | - Wei Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Jun Liu
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Bin Liu
- College of Biology, Hunan University, Changsha, 410082, China
- Department of Physiology & Pathophysiology, NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China
| | - Hao Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
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30
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Liang XB, Dai ZC, Zou R, Tang JX, Yao CW. The Therapeutic Potential of CDK4/6 Inhibitors, Novel Cancer Drugs, in Kidney Diseases. Int J Mol Sci 2023; 24:13558. [PMID: 37686364 PMCID: PMC10487876 DOI: 10.3390/ijms241713558] [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: 07/12/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Inflammation is a crucial pathological feature in cancers and kidney diseases, playing a significant role in disease progression. Cyclin-dependent kinases CDK4 and CDK6 not only contribute to cell cycle progression but also participate in cell metabolism, immunogenicity and anti-tumor immune responses. Recently, CDK4/6 inhibitors have gained approval for investigational treatment of breast cancer and various other tumors. Kidney diseases and cancers commonly exhibit characteristic pathological features, such as the involvement of inflammatory cells and persistent chronic inflammation. Remarkably, CDK4/6 inhibitors have demonstrated impressive efficacy in treating non-cancerous conditions, including certain kidney diseases. Current studies have identified the renoprotective effect of CDK4/6 inhibitors, presenting a novel idea and potential direction for treating kidney diseases in the future. In this review, we briefly reviewed the cell cycle in mammals and the role of CDK4/6 in regulating it. We then provided an introduction to CDK4/6 inhibitors and their use in cancer treatment. Additionally, we emphasized the importance of these inhibitors in the treatment of kidney diseases. Collectively, growing evidence demonstrates that targeting CDK4 and CDK6 through CDK4/6 inhibitors might have therapeutic benefits in various cancers and kidney diseases and should be further explored in the future.
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Affiliation(s)
| | | | | | - Ji-Xin Tang
- Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Key Laboratory of Prevention and Management of Chronic Kidney Diseases of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Cui-Wei Yao
- Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-Communicable Diseases, Key Laboratory of Prevention and Management of Chronic Kidney Diseases of Zhanjiang City, Institute of Nephrology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
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31
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Zhang Y, Yu L, Qiu R, Cao L, Ye G, Lin R, Wang Y, Wang G, Hu B, Hou H. 3D hypoxia-mimicking and anti-synechia hydrogel enabling promoted neovascularization for renal injury repair and regeneration. Mater Today Bio 2023; 21:100694. [PMID: 37346780 PMCID: PMC10279555 DOI: 10.1016/j.mtbio.2023.100694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/02/2023] [Accepted: 06/06/2023] [Indexed: 06/23/2023] Open
Abstract
In-situ renal tissue engineering is promising yet challenging for renal injury repair and regeneration due to the highly vascularized structure of renal tissue and complex high-oxidative stress and ischemic microenvironment. Herein, a novel biocompatible 3D porous hydrogel (DFO-gel) with sustained release capacity of hypoxia mimicking micromolecule drug deferoxamine (DFO) was developed for in-situ renal injury repair. In vitro and in vivo experimental results demonstrated that the developed DFO-gels can exert the synchronous benefit of scavenging excess reactive oxygen species (ROS) regulating inflammatory microenvironment and promoting angiogenesis for effective renal injury repair by up-regulating hypoxia-inducible factor-1 alpha (HIF-1α) and vascular endothelial growth factor (VEGF). The in-situ neogenesis of neonatal glomerular- and tubular-like structures in the implanted areas in the partially nephrectomized rats also suggested the potential for promoting renal injury repair and regeneration. This multifunctional hydrogel can not only exhibit the sustained release and promoted bio-uptake capacity for DFO, but also improve the renal injured microenvironment by alleviating oxidative and inflammatory stress, accelerating neovascularization, and promoting efficient anti-synechia. We believe this work offers a promising strategy for renal injury repair and regeneration.
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Affiliation(s)
- Yuehang Zhang
- Division of Nephrology, State Key Lab for Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Division of Nephrology, The Second Affiliated Hospital of Kunming Medical University, Kunming Medical University, Kunming, Yunnan, 650500, PR China
| | - Lei Yu
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Renjie Qiu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Lisha Cao
- Division of Nephrology, State Key Lab for Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Genlan Ye
- The Fifth Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Rurong Lin
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Yongqin Wang
- Division of Nephrology, State Key Lab for Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Guobao Wang
- Division of Nephrology, State Key Lab for Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Bianxiang Hu
- Division of Nephrology, State Key Lab for Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Honghao Hou
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
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Tsai YC, Kuo MC, Huang JC, Chang WA, Wu LY, Huang YC, Chang CY, Lee SC, Hsu YL. Single-cell transcriptomic profiles in the pathophysiology within the microenvironment of early diabetic kidney disease. Cell Death Dis 2023; 14:442. [PMID: 37460555 DOI: 10.1038/s41419-023-05947-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 06/18/2023] [Accepted: 07/04/2023] [Indexed: 07/20/2023]
Abstract
Diabetic kidney disease (DKD) is the leading cause of end-stage kidney disease, resulting in a huge socio-economic impact. Kidney is a highly complex organ and the pathogenesis underlying kidney organization involves complex cell-to-cell interaction within the heterogeneous kidney milieu. Advanced single-cell RNA sequencing (scRNA-seq) could reveal the complex architecture and interaction with the microenvironment in early DKD. We used scRNA-seq to investigate early changes in the kidney of db/m mice and db/db mice at the 14th week. Uniform Manifold Approximation and Projection were applied to classify cells into different clusters at a proper resolution. Weighted gene co-expression network analysis was used to identify the key molecules specifically expressed in kidney tubules. Information of cell-cell communication within the kidney was obtained using receptor-ligand pairing resources. In vitro model, human subjects, and co-detection by indexing staining were used to identify the pathophysiologic role of the hub genes in DKD. Among four distinct subsets of the proximal tubule (PT), lower percentages of proliferative PT and PT containing AQP4 expression (PTAQP4+) in db/db mice induced impaired cell repair activity and dysfunction of renin-angiotensin system modulation in early DKD. We found that ferroptosis was involved in DKD progression, and ceruloplasmin acted as a central regulator of the induction of ferroptosis in PTAQP4+. In addition, lower percentages of thick ascending limbs and collecting ducts with impaired metabolism function were also critical pathogenic features in the kidney of db/db mice. Secreted phosphoprotein 1 (SPP1) mediated pathogenic cross-talk in the tubular microenvironment, as validated by a correlation between urinary SPP1/Cr level and tubular injury. Finally, mesangial cell-derived semaphorin 3C (SEMA3C) further promoted endothelium-mesenchymal transition in glomerular endothelial cells through NRP1 and NRP2, and urinary SEMA3C/Cr level was positively correlated with glomerular injury. These data identified the hub genes involved in pathophysiologic changes within the microenvironment of early DKD.
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Affiliation(s)
- Yi-Chun Tsai
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of General Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of Nephrology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Kaohsiung, Taiwan
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Mei-Chuan Kuo
- Division of Nephrology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Juan-Chi Huang
- Division of Nephrology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wei-An Chang
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ling-Yu Wu
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yung-Chi Huang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Taiwan, Kaohsiung, Taiwan
| | - Chao-Yuan Chang
- Department of Anatomy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Su-Chu Lee
- Division of Nephrology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ya-Ling Hsu
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Taiwan, Kaohsiung, Taiwan.
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Han DS, Erickson C, Hansen KC, Kirkbride-Romeo L, He Z, Rodell CB, Soranno DE. Mesenchymal Stem Cells Delivered Locally to Ischemia-Reperfused Kidneys via Injectable Hyaluronic Acid Hydrogels Decrease Extracellular Matrix Remodeling 1 Month after Injury in Male Mice. Cells 2023; 12:1771. [PMID: 37443806 PMCID: PMC10340256 DOI: 10.3390/cells12131771] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
The translation of stem cell therapies has been hindered by low cell survival and retention rates. Injectable hydrogels enable the site-specific delivery of therapeutic cargo, including cells, to overcome these challenges. We hypothesized that delivery of mesenchymal stem cells (MSC) via shear-thinning and injectable hyaluronic acid (HA) hydrogels would mitigate renal damage following ischemia-reperfusion acute kidney injury. Acute kidney injury (AKI) was induced in mice by bilateral or unilateral ischemia-reperfusion kidney injury. Three days later, mice were treated with MSCs either suspended in media injected intravenously via the tail vein, or injected under the capsule of the left kidney, or MSCs suspended in HA injected under the capsule of the left kidney. Serial measurements of serum and urine biomarkers of renal function and injury, as well as transcutaneous glomerular filtration rate (tGFR) were performed. In vivo optical imaging showed that MSCs localized to both kidneys in a sustained manner after bilateral ischemia and remained within the ipsilateral treated kidney after unilateral ischemic AKI. One month after injury, MSC/HA treatment significantly reduced urinary NGAL compared to controls; it did not significantly reduce markers of fibrosis compared to untreated controls. An analysis of kidney proteomes revealed decreased extracellular matrix remodeling and high overlap with sham proteomes in MSC/HA-treated animals. Hydrogel-assisted MSC delivery shows promise as a therapeutic treatment following acute kidney injury.
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Affiliation(s)
- Daniel S. Han
- Pediatric Urology, Department of Urology, Stanford University School of Medicine, Palo Alto, CA 94305, USA
| | - Christopher Erickson
- Department of Biochemistry and Molecular Genetics, University of Colorado, Aurora, CO 80045, USA
| | - Kirk C. Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado, Aurora, CO 80045, USA
| | | | - Zhibin He
- Department of Pediatrics, University of Colorado, Aurora, CO 80045, USA
| | - Christopher B. Rodell
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA
| | - Danielle E. Soranno
- Division of Nephrology, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Bioengineering, Purdue University, West Lafayette, IN 47907, USA
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Ni R, Luo Y, Jiang L, Mao X, Feng Y, Tuersun S, Hu Z, Zhu Y. Repairing gastric ulcer with hyaluronic acid/extracellular matrix composite through promoting M2-type polarization of macrophages. Int J Biol Macromol 2023:125556. [PMID: 37364804 DOI: 10.1016/j.ijbiomac.2023.125556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/19/2023] [Accepted: 06/22/2023] [Indexed: 06/28/2023]
Abstract
The treatment of gastric ulcer and perforation using synthetic and biomaterials has been a clinical challenge. In this work, a drug-carrying layer of hyaluronic acid was combined with a gastric submucosal decellularized extracellular matrix called gHECM. The regulation of macrophage polarization by the extracellular matrix's components was then investigated. This work proclaims how gHECM responds to inflammation and aids in the regeneration of the gastric lining by altering the phenotype of surrounding macrophages and stimulating the body's whole immune response. In a nutshell, gHECM promotes tissue regeneration by changing the phenotype of macrophages around the site of injury. In particular, gHECM reduces the production of pro-inflammatory cytokines, decreases the percentage of M1 macrophages, and further encourages differentiation of macrophage subpopulation to the M2 phenotype and the release of anti-inflammatory cytokines, which could block the NF-κB pathway. Activated macrophages are capable of immediately delivering through spatial barriers, modulating the peripheral immune system, influencing the inflammatory microenvironment, and ultimately promoting the recovery of inflammation and healing of ulcers. They contribute to the secreted cytokines that act on local tissues or enhance the chemotactic ability of macrophages through paracrine secretion. In this study, we focused on the immunological regulatory network of macrophage polarization to further develop the mechanisms behind this process. Nevertheless, the signaling pathways involved in this process need to be further explored and identified. We think that our research will encourage more investigation into how the decellularized matrix affects immune modulation and will help the decellularized matrix perform better as a new class of natural biomaterials for tissue engineering.
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Affiliation(s)
- Renhao Ni
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Yang Luo
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Lingjing Jiang
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Xufeng Mao
- Department of Orthopedics, the First Affiliated Hospital of Ningbo University, Ningbo 315020, China
| | - Yuyao Feng
- Ningbo University, Health Science Center, Ningbo 315211, China
| | | | - Zeming Hu
- Ningbo University, Health Science Center, Ningbo 315211, China
| | - Yabin Zhu
- Ningbo University, Health Science Center, Ningbo 315211, China.
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Chen F, Kang R, Liu J, Tang D. The ACSL4 Network Regulates Cell Death and Autophagy in Diseases. BIOLOGY 2023; 12:864. [PMID: 37372148 DOI: 10.3390/biology12060864] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/05/2023] [Accepted: 06/11/2023] [Indexed: 06/29/2023]
Abstract
Lipid metabolism, cell death, and autophagy are interconnected processes in cells. Dysregulation of lipid metabolism can lead to cell death, such as via ferroptosis and apoptosis, while lipids also play a crucial role in the regulation of autophagosome formation. An increased autophagic response not only promotes cell survival but also causes cell death depending on the context, especially when selectively degrading antioxidant proteins or organelles that promote ferroptosis. ACSL4 is an enzyme that catalyzes the formation of long-chain acyl-CoA molecules, which are important intermediates in the biosynthesis of various types of lipids. ACSL4 is found in many tissues and is particularly abundant in the brain, liver, and adipose tissue. Dysregulation of ACSL4 is linked to a variety of diseases, including cancer, neurodegenerative disorders, cardiovascular disease, acute kidney injury, and metabolic disorders (such as obesity and non-alcoholic fatty liver disease). In this review, we introduce the structure, function, and regulation of ACSL4; discuss its role in apoptosis, ferroptosis, and autophagy; summarize its pathological function; and explore the potential implications of targeting ACSL4 in the treatment of various diseases.
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Affiliation(s)
- Fangquan Chen
- DAMP Laboratory, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou 511436, China
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jiao Liu
- DAMP Laboratory, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou 511436, China
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX 75390, USA
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Kim JY, Silvaroli JA, Martinez GV, Bisunke B, Luna Ramirez AV, Jayne LA, Feng MJHH, Girotra B, Acosta Martinez SM, Vermillion CR, Karel IZ, Ferrell N, Weisleder N, Chung S, Christman JW, Brooks CR, Madhavan SM, Hoyt KR, Cianciolo RE, Satoskar AA, Zepeda-Orozco D, Sullivan JC, Davidson AJ, Bajwa A, Pabla NS. Zinc finger protein 24-dependent transcription factor SOX9 up-regulation protects tubular epithelial cells during acute kidney injury. Kidney Int 2023; 103:1093-1104. [PMID: 36921719 PMCID: PMC10200760 DOI: 10.1016/j.kint.2023.02.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 02/07/2023] [Accepted: 02/13/2023] [Indexed: 03/14/2023]
Abstract
Transcriptional profiling studies have identified several protective genes upregulated in tubular epithelial cells during acute kidney injury (AKI). Identifying upstream transcriptional regulators could lead to the development of therapeutic strategies augmenting the repair processes. SOX9 is a transcription factor controlling cell-fate during embryonic development and adult tissue homeostasis in multiple organs including the kidneys. SOX9 expression is low in adult kidneys; however, stress conditions can trigger its transcriptional upregulation in tubular epithelial cells. SOX9 plays a protective role during the early phase of AKI and facilitates repair during the recovery phase. To identify the upstream transcriptional regulators that drive SOX9 upregulation in tubular epithelial cells, we used an unbiased transcription factor screening approach. Preliminary screening and validation studies show that zinc finger protein 24 (ZFP24) governs SOX9 upregulation in tubular epithelial cells. ZFP24, a Cys2-His2 (C2H2) zinc finger protein, is essential for oligodendrocyte maturation and myelination; however, its role in the kidneys or in SOX9 regulation remains unknown. Here, we found that tubular epithelial ZFP24 gene ablation exacerbated ischemia, rhabdomyolysis, and cisplatin-associated AKI. Importantly, ZFP24 gene deletion resulted in suppression of SOX9 upregulation in injured tubular epithelial cells. Chromatin immunoprecipitation and promoter luciferase assays confirmed that ZFP24 bound to a specific site in both murine and human SOX9 promoters. Importantly, CRISPR/Cas9-mediated mutation in the ZFP24 binding site in the SOX9 promoter in vivo led to suppression of SOX9 upregulation during AKI. Thus, our findings identify ZFP24 as a critical stress-responsive transcription factor protecting tubular epithelial cells through SOX9 upregulation.
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Affiliation(s)
- Ji Young Kim
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA.
| | - Josie A Silvaroli
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Gabriela Vasquez Martinez
- Kidney and Urinary Tract Center, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA; Division of Nephrology and Hypertension, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Bijay Bisunke
- Department of Genetics, Genomics, and Informatics, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Alanys V Luna Ramirez
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Laura A Jayne
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Mei Ji He Ho Feng
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Bhavya Girotra
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Shirely M Acosta Martinez
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Corynne R Vermillion
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Isaac Z Karel
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Nicholas Ferrell
- Division of Nephrology, Department of Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Noah Weisleder
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Sangwoon Chung
- Pulmonary, Sleep and Critical Care Medicine, Wexner Medical Center, Davis Heart and Lung Research Institute, Columbus, Ohio, USA
| | - John W Christman
- Pulmonary, Sleep and Critical Care Medicine, Wexner Medical Center, Davis Heart and Lung Research Institute, Columbus, Ohio, USA
| | - Craig R Brooks
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Sethu M Madhavan
- Division of Nephrology, Department of Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Kari R Hoyt
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | | | - Anjali A Satoskar
- Division of Renal and Transplant Pathology, Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Diana Zepeda-Orozco
- Kidney and Urinary Tract Center, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA; Division of Nephrology and Hypertension, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Jennifer C Sullivan
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - Alan J Davidson
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Amandeep Bajwa
- Department of Genetics, Genomics, and Informatics, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA; Department of Microbiology, Immunology, and Biochemistry, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA; Department of Surgery, Transplant Research Institute, James D. Eason Transplant Institute, College of Medicine, The University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Navjot Singh Pabla
- Division of Pharmaceutics and Pharmacology, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA.
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Liang S, Wang Y, Kang M, Deng J, Chen L, Hong X, Hou FF, Zhang F. Generation and characterization of an inducible renal proximal tubule-specific CreERT2 mouse. Front Cell Dev Biol 2023; 11:1171637. [PMID: 37215091 PMCID: PMC10196630 DOI: 10.3389/fcell.2023.1171637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/19/2023] [Indexed: 05/24/2023] Open
Abstract
Protein reabsorption in renal proximal tubules is essential for maintaining nutrient homeostasis. Renal proximal tubule-specific gene knockout is a powerful method to assess the function of genes involved in renal proximal tubule protein reabsorption. However, the lack of inducible renal proximal tubule-specific Cre recombinase-expressing mouse strains hinders the study of gene function in renal proximal tubules. To facilitate the functional study of genes in renal proximal tubules, we developed an AMN CreERT2 knock-in mouse strain expressing a Cre recombinase-estrogen receptor fusion protein under the control of the promoter of the amnionless (AMN) gene, a protein reabsorption receptor in renal proximal tubules. AMN CreERT2 knock-in mice were generated using the CRISPR/Cas9 strategy, and the tissue specificity of Cre activity was investigated using the Cre/loxP reporter system. We showed that the expression pattern of CreERT2-mEGFP in AMN CreERT2 mice was consistent with that of the endogenous AMN gene. Furthermore, we showed that the Cre activity in AMN CreERT2 knock-in mice was only detected in renal proximal tubules with high tamoxifen induction efficiency. As a proof-of-principle study, we demonstrated that renal proximal tubule-specific knockout of Exoc4 using AMNCreERT2 led to albumin accumulation in renal proximal tubular epithelial cells. The AMN CreERT2 mouse is a powerful tool for conditional gene knockout in renal proximal tubules and should offer useful insight into the physiological function of genes expressed in renal proximal tubules.
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Affiliation(s)
| | | | | | | | | | | | - Fan Fan Hou
- *Correspondence: Fan Fan Hou, ; Fujian Zhang,
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Li S, Livingston MJ, Ma Z, Hu X, Wen L, Ding HF, Zhou D, Dong Z. Tubular cell senescence promotes maladaptive kidney repair and chronic kidney disease after cisplatin nephrotoxicity. JCI Insight 2023; 8:e166643. [PMID: 36917180 PMCID: PMC10243740 DOI: 10.1172/jci.insight.166643] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 03/09/2023] [Indexed: 03/16/2023] Open
Abstract
Cisplatin is a widely used chemotherapy drug; however, it induces both acute and chronic kidney diseases (CKD) in patients with cancer. The pathogenesis of cisplatin-induced CKD is unclear, and effective renoprotective approaches are not available. Here, we report that repeated low-dose cisplatin (RLDC) treatment of C57BL/6 mice induced chronic cellular senescence in kidney tubules, accompanied with tubular degeneration and profibrotic phenotype transformation that culminated in maladaptive repair and renal fibrosis. Suppression of tubular senescence by senolytic drugs ABT-263 and Fisetin attenuated renal fibrosis and improved tubular repair, as indicated by restoration of tubular regeneration and renal function. In vitro, RLDC also induced senescence in mouse proximal tubular (BUMPT) cells. ABT-263 eliminated senescent BUMPT cells following RLDC treatment, reversed the profibrotic phenotype of the cells, and increased their clonogenic activity. Moreover, ABT-263 alleviated the paracrine effect of RLDC-treated BUMPT cells on fibroblasts for fibrosis. Consistently, knockdown of p16 suppressed post-RLDC senescence and fibrotic changes in BUMPT cells and alleviated their paracrine effects on renal fibroblast proliferation. These results indicate that persistent induction of tubular senescence plays an important role in promoting cisplatin-induced CKD. Targeting senescent tubular cells may be efficient for improvement of kidney repair and for the prevention and treatment of cisplatin-induced CKD.
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Affiliation(s)
- Siyao Li
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Man J. Livingston
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Zhengwei Ma
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Xiaoru Hu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Lu Wen
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Han-Fei Ding
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama School of Medicine at Birmingham, Birmingham, Alabama, USA
| | - Daohong Zhou
- Center for Innovative Drug Development and Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
| | - Zheng Dong
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
- Research Department, Charlie Norwood VA Medical Center, Augusta, Georgia, USA
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Imig JD, Khan MAH, Stavniichuk A, Jankiewicz WK, Goorani S, Yeboah MM, El-Meanawy A. Salt-sensitive hypertension after reversal of unilateral ureteral obstruction. Biochem Pharmacol 2023; 210:115438. [PMID: 36716827 PMCID: PMC10107073 DOI: 10.1016/j.bcp.2023.115438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/28/2023]
Abstract
The incidence of ureter obstruction is increasing and patients recovering from this kidney injury often progress to chronic kidney injury. There is evidence that a long-term consequence of recovery from ureter obstruction is an increased risk for salt-sensitive hypertension. A reversal unilateral ureteral obstruction (RUUO) model was used to study long-term kidney injury and salt-sensitive hypertension. In this model, we removed the ureteral obstruction at day 10 in mice. Mice were divided into four groups: (1) normal salt diet, (2) high salt diet, (3) RUUO normal salt diet, and (4) RUUO high salt diet. At day 10, the mice were fed a normal or high salt diet for 4 weeks. Blood pressure was measured, and urine and kidney tissue collected. There was a progressive increase in blood pressure in the RUUO high salt diet group. RUUO high salt group had decreased sodium excretion and glomerular injury. Renal epithelial cell injury was evident in RUUO normal and high salt mice as assessed by neutrophil gelatinase-associated lipocalin (NGAL). Kidney inflammation in the RUUO high salt group involved an increase in F4/80 positive macrophages; however, CD3+ positive T cells were not changed. Importantly, RUUO normal and high salt mice had decreased vascular density. RUUO was also associated with renal fibrosis that was further elevated in RUUO mice fed a high salt diet. Overall, these findings demonstrate long-term renal tubular injury, inflammation, decreased vascular density, and renal fibrosis following reversal of unilateral ureter obstruction that could contribute to impaired sodium excretion and salt-sensitive hypertension.
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Affiliation(s)
- John D Imig
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, USA; Drug Discovery Center, Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Md Abdul Hye Khan
- Drug Discovery Center, Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Anna Stavniichuk
- Drug Discovery Center, Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA; Department of Integrative Biology and Pharmacology, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Wojciech K Jankiewicz
- Drug Discovery Center, Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Samaneh Goorani
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, USA; Drug Discovery Center, Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Michael M Yeboah
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Ashraf El-Meanawy
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
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Zhang T, Li Y, Wise AF, Kulkarni K, Aguilar MI, Samuel CS, Del Borgo M, Widdop RE, Ricardo SD. The protective effects of a novel AT 2 receptor agonist, β-Pro 7Ang III in ischemia-reperfusion kidney injury. Biomed Pharmacother 2023; 161:114556. [PMID: 36948137 DOI: 10.1016/j.biopha.2023.114556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND AND PURPOSE This study investigated the reno-protective effects of a highly selective AT2R agonist peptide, β-Pro7Ang III in a mouse model of acute kidney injury (AKI). METHODS C57BL/6 J mice underwent either sham surgery or unilateral kidney ischemia-reperfusion injury (IRI) for 40 min. IRI mice were treated with either β-Pro7Ang III or perindopril and at 7 days post-surgery the kidneys analysed for histopathology and the development of fibrosis and matrix metalloproteinase (MMP)-2 and -9 activity. The association of the therapeutic effects of β-Pro7Ang III with macrophage number and phenotype was determined in vivo and in vitro. KEY RESULTS Decreased kidney tubular injury, interstitial matrix expansion and reduced interstitial immune cell infiltration in IRI mice receiving β-Pro7Ang III treatment was observed at day 7, compared to IRI mice without treatment. This correlated to reduced collagen accumulation and MMP-2 activity in IRI mice following β-Pro7Ang III treatment. FACS analysis showed a reduced number and proportion of CD45+CD11b+F4/80+ macrophages in IRI kidneys in response to β-Pro7Ang III, correlating with a significant increase in M2 macrophage markers and decreased M1 markers at day 3 and 7 post-IR injury, respectively. In vitro analysis of cultured THP-1 cells showed that β-Pro7Ang III attenuated lipopolysaccharide (LPS)-induced tumour necrosis factor-α (TNF-α) and interleukin (IL)- 6 production but increased IL-10 secretion, compared to LPS alone. CONCLUSION Administration of β-Pro7Ang III via mini-pump improved kidney structure and reduced interstitial collagen accumulation, in parallel with an alteration of macrophage phenotype and anti-inflammatory cytokine release, therefore mitigating the downstream progression of ischemic AKI.
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Affiliation(s)
- Tingfang Zhang
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Yifang Li
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Andrea F Wise
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Ketav Kulkarni
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Marie-Isabel Aguilar
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Chrishan S Samuel
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Mark Del Borgo
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Robert E Widdop
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Sharon D Ricardo
- Department of Pharmacology, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia.
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Akt1 is involved in renal fibrosis and tubular apoptosis in a murine model of acute kidney injury-to-chronic kidney disease transition. Exp Cell Res 2023; 424:113509. [PMID: 36773738 DOI: 10.1016/j.yexcr.2023.113509] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 01/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023]
Abstract
Maladaptive repair after acute kidney injury (AKI) can predispose patients to chronic kidney disease (CKD). However, the molecular mechanism underlying the AKI-to-CKD transition remains unclear. The Akt signaling pathway has been reported to be involved in the pathological processes of both AKI and CKD. In this study, we investigated the role of Akt1 in a murine model of the AKI-to-CKD transition. Wild-type (WT) and Akt1-/- mice were subjected to unilateral ischemia-reperfusion injury (UIRI), with their kidneys harvested after two days and two, four, and six weeks after UIRI. The dynamic changes in tubulointerstitial fibrosis, markers of tubular epithelial-mesenchymal transition (EMT), and tubular apoptosis were investigated. Akt1 of the three Akt isoforms was activated during the AKI-to-CKD transition. After UIRI, tubulointerstitial fibrosis and tubular EMT were significantly increased in WT mice, but were attenuated in Akt1-/- mice. The expression of the transforming growth factor (TGF)-β1/Smad was increased in both WT and Akt1-/- mice, but was not different between the two groups. The levels of phosphorylated glycogen synthase kinase (GSK)-3β, Snail, and β-catenin in the Akt1-/- mice were lower than those in the WT mice. The number of apoptotic tubular cells and the expression of cleaved caspase-3/Bax were both lower in Akt1-/- mice than in WT mice. Genetic deletion of Akt1 was associated with attenuation of tubulointerstitial fibrosis, tubular EMT, and tubular apoptosis during the AKI-to-CKD transition. These findings were associated with TGF-β1/Akt1/GSK-3β/(Snail and β-catenin) signaling independent of TGF-β1/Smad signaling. Thus, Akt1 signaling could serve as a potential therapeutic target for inhibiting the AKI-to-CKD transition.
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Akalay S, Hosgood SA. How to Best Protect Kidneys for Transplantation-Mechanistic Target. J Clin Med 2023; 12:jcm12051787. [PMID: 36902572 PMCID: PMC10003664 DOI: 10.3390/jcm12051787] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/15/2023] [Accepted: 02/17/2023] [Indexed: 02/25/2023] Open
Abstract
The increasing number of patients on the kidney transplant waiting list underlines the need to expand the donor pool and improve kidney graft utilization. By protecting kidney grafts adequately from the initial ischemic and subsequent reperfusion injury occurring during transplantation, both the number and quality of kidney grafts could be improved. The last few years have seen the emergence of many new technologies to abrogate ischemia-reperfusion (I/R) injury, including dynamic organ preservation through machine perfusion and organ reconditioning therapies. Although machine perfusion is gradually making the transition to clinical practice, reconditioning therapies have not yet progressed from the experimental setting, pointing towards a translational gap. In this review, we discuss the current knowledge on the biological processes implicated in I/R injury and explore the strategies and interventions that are being proposed to either prevent I/R injury, treat its deleterious consequences, or support the reparative response of the kidney. Prospects to improve the clinical translation of these therapies are discussed with a particular focus on the need to address multiple aspects of I/R injury to achieve robust and long-lasting protective effects on the kidney graft.
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Affiliation(s)
- Sara Akalay
- Department of Development and Regeneration, Laboratory of Pediatric Nephrology, KU Leuven, 3000 Leuven, Belgium
| | - Sarah A. Hosgood
- Department of Surgery, University of Cambridge, Cambridge CB2 0QQ, UK
- Correspondence:
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43
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Yu J, Yu C, Bayliss G, Zhuang S. Protein arginine methyltransferases in renal development, injury, repair, and fibrosis. Front Pharmacol 2023; 14:1123415. [PMID: 36817133 PMCID: PMC9935595 DOI: 10.3389/fphar.2023.1123415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Protein arginine methyltransferases (PRMTs) methylate a range of histone and non-histone substrates and participate in multiple biological processes by regulating gene transcription and post-translational modifications. To date, most studies on PRMTs have focused on their roles in tumors and in the physiological and pathological conditions of other organs. Emerging evidence indicates that PRMTs are expressed in the kidney and contribute to renal development, injury, repair, and fibrosis. In this review, we summarize the role and the mechanisms of PRMTs in regulating these renal processes and provide a perspective for future clinical applications.
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Affiliation(s)
- Jianjun Yu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chao Yu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Georgia Bayliss
- Department of Medicine, Rhode Island Hospital and Alpert Medical School, Brown University, Providence, RI, United States
| | - Shougang Zhuang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Medicine, Rhode Island Hospital and Alpert Medical School, Brown University, Providence, RI, United States
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The Response of Macrophages in Sepsis-Induced Acute Kidney Injury. J Clin Med 2023; 12:jcm12031101. [PMID: 36769749 PMCID: PMC9917612 DOI: 10.3390/jcm12031101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/23/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
Sepsis-induced acute kidney injury (SAKI) is common in critically ill patients and often leads to poor prognosis. At present, the pathogenesis of SAKI has not been fully clarified, and there is no effective treatment. Macrophages are immune cells that play an important role in the pathogenesis of SAKI. The phenotype and role of macrophages can vary from early to later stages of SAKI. Elucidating the role of macrophages in SAKI will be beneficial to its diagnosis and treatment. This article reviews past studies describing the role of macrophages in SAKI, with the aim of identifying novel therapeutic targets.
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Nie H, Zhao Z, Zhou D, Li D, Wang Y, Ma Y, Liu X, Zuo W. Activated SOX9+ renal epithelial cells promote kidney repair through secreting factors. Cell Prolif 2023; 56:e13394. [PMID: 36601693 PMCID: PMC10068929 DOI: 10.1111/cpr.13394] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/12/2022] [Accepted: 12/21/2022] [Indexed: 01/06/2023] Open
Abstract
A broad spectrum of lethal kidney diseases involves the irreversible destruction of the tubular structures, leading to renal function loss. Following injury, a spectrum of tissue-resident epithelial stem/progenitor cells are known to be activated and then differentiate into mature renal cells to replace the damaged renal epithelium. Here, however, we reported an alternative way that tissue-resident cells could be activated to secrete multiple factors to promote organ repair. At single-cell resolution, we showed that the resident SOX9+ renal epithelial cells (RECs) could expand in the acutely injured kidney of both mouse and human. Compared to other cells, the SOX9+ RECs overexpressed much more secretion related genes, whose functions were linked to kidney repair pathways. We also obtained long-term, feeder-free cultured SOX9+ RECs from human urine and analysed their secretory profile at both transcriptional and proteomic levels. Engraftment of cultured human SOX9+ RECs or injection of its conditional medium facilitated the regeneration of renal tubular and glomerular epithelium, probably through stimulating endogenous REC self-activation and mediating crosstalk with other renal cells. We also identified S100A9 as one of the key factors in the SOX9+ REC secretome. Altogether, the abilities to extensively propagate SOX9+ RECs in culture whilst concomitantly maintaining their intrinsic secretory capacity suggest their future application in cell-free therapies and regeneration medicine.
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Affiliation(s)
- Hao Nie
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zixian Zhao
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Dewei Zhou
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Dandan Li
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yujia Wang
- East Hospital, School of Medicine, Tongji University, Shanghai, China.,Super Organ R&D Center, Regend Therapeutics, Shanghai, China
| | - Yu Ma
- Super Organ R&D Center, Regend Therapeutics, Shanghai, China
| | - Xutao Liu
- Samueli School of Engineering, University of California Los Angeles, Los Angeles, California, USA
| | - Wei Zuo
- East Hospital, School of Medicine, Tongji University, Shanghai, China.,Super Organ R&D Center, Regend Therapeutics, Shanghai, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, West China Hospital, Sichuan University, Chengdu, China
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46
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Zhang K, Li R, Chen X, Yan H, Li H, Zhao X, Huang H, Chen S, Liu Y, Wang K, Han Z, Han Z, Kong D, Chen X, Li Z. Renal Endothelial Cell-Targeted Extracellular Vesicles Protect the Kidney from Ischemic Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204626. [PMID: 36416304 PMCID: PMC9875634 DOI: 10.1002/advs.202204626] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/24/2022] [Indexed: 05/02/2023]
Abstract
Endothelial cell injury plays a critical part in ischemic acute kidney injury (AKI) and participates in the progression of AKI. Targeting renal endothelial cell therapy may ameliorate vascular injury and further improve the prognosis of ischemic AKI. Here, P-selectin as a biomarker of ischemic AKI in endothelial cells is identified and P-selectin binding peptide (PBP)-engineered extracellular vesicles (PBP-EVs) with imaging and therapeutic functions are developed. The results show that PBP-EVs exhibit a selective targeting tendency to injured kidneys, while providing spatiotemporal information for the early diagnosis of AKI by quantifying the expression of P-selectin in the kidneys by molecular imaging. Meanwhile, PBP-EVs reveal superior nephroprotective functions in the promotion of renal repair and inhibition of fibrosis by alleviating inflammatory infiltration, improving reparative angiogenesis, and ameliorating maladaptive repair of the renal parenchyma. In conclusion, PBP-EVs, as an ischemic AKI theranostic system that is designed in this study, provide a spatiotemporal diagnosis in the early stages of AKI to help guide personalized therapy and exhibit superior nephroprotective effects, offering proof-of-concept data to design EV-based theranostic strategies to promote renal recovery and further improve long-term outcomes following AKI.
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Affiliation(s)
- Kaiyue Zhang
- School of MedicineNankai UniversityTianjin300071China
- The Key Laboratory of Bioactive MaterialsMinistry of EducationCollege of Life SciencesNankai UniversityTianjin300071China
| | - Rongrong Li
- School of MedicineNankai UniversityTianjin300071China
- The Key Laboratory of Bioactive MaterialsMinistry of EducationCollege of Life SciencesNankai UniversityTianjin300071China
| | - Xiaoniao Chen
- Beijing Tongren Eye CenterBeijing Tongren HospitalCapital Medical UniversityBeijing100730China
- State Key Laboratory of Kidney DiseasesChinese PLA General HospitalBeijing100853China
| | - Hongyu Yan
- The Key Laboratory of Bioactive MaterialsMinistry of EducationCollege of Life SciencesNankai UniversityTianjin300071China
| | - Huifang Li
- School of MedicineNankai UniversityTianjin300071China
| | - Xiaotong Zhao
- Henan Key Laboratory of Medical Tissue RegenerationXinxiang Medical UniversityXinxiangHenan453003China
| | - Haoyan Huang
- School of MedicineNankai UniversityTianjin300071China
| | - Shang Chen
- School of MedicineNankai UniversityTianjin300071China
| | - Yue Liu
- School of MedicineNankai UniversityTianjin300071China
| | - Kai Wang
- The Key Laboratory of Bioactive MaterialsMinistry of EducationCollege of Life SciencesNankai UniversityTianjin300071China
| | - Zhibo Han
- Jiangxi Engineering Research Center for Stem CellShangraoJiangxi334000China
- Tianjin Key Laboratory of Engineering Technologies for Cell PharmaceuticalNational Engineering Research Center of Cell ProductsAmCellGene Co., LtdTianjin300457China
| | - Zhong‐Chao Han
- Jiangxi Engineering Research Center for Stem CellShangraoJiangxi334000China
- Tianjin Key Laboratory of Engineering Technologies for Cell PharmaceuticalNational Engineering Research Center of Cell ProductsAmCellGene Co., LtdTianjin300457China
- Beijing Engineering Laboratory of Perinatal Stem CellsBeijing Institute of Health and Stem CellsHealth & Biotech CoBeijing100176China
| | - Deling Kong
- The Key Laboratory of Bioactive MaterialsMinistry of EducationCollege of Life SciencesNankai UniversityTianjin300071China
| | - Xiang‐Mei Chen
- State Key Laboratory of Kidney DiseasesChinese PLA General HospitalBeijing100853China
| | - Zongjin Li
- School of MedicineNankai UniversityTianjin300071China
- The Key Laboratory of Bioactive MaterialsMinistry of EducationCollege of Life SciencesNankai UniversityTianjin300071China
- State Key Laboratory of Kidney DiseasesChinese PLA General HospitalBeijing100853China
- Henan Key Laboratory of Medical Tissue RegenerationXinxiang Medical UniversityXinxiangHenan453003China
- Tianjin Key Laboratory of Human Development and Reproductive RegulationTianjin Central Hospital of Gynecology ObstetricsNankai University Affiliated Hospital of Obstetrics and GynecologyTianjin300100China
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Livingston MJ, Shu S, Fan Y, Li Z, Jiao Q, Yin XM, Venkatachalam MA, Dong Z. Tubular cells produce FGF2 via autophagy after acute kidney injury leading to fibroblast activation and renal fibrosis. Autophagy 2023; 19:256-277. [PMID: 35491858 PMCID: PMC9809951 DOI: 10.1080/15548627.2022.2072054] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Following acute kidney injury (AKI), renal tubular cells may stimulate fibroblasts in a paracrine fashion leading to interstitial fibrosis, but the paracrine factors and their regulation under this condition remain elusive. Here we identify a macroautophagy/autophagy-dependent FGF2 (fibroblast growth factor 2) production in tubular cells. Upon induction, FGF2 acts as a key paracrine factor to activate fibroblasts for renal fibrosis. After ischemic AKI in mice, autophagy activation persisted for weeks in renal tubular cells. In inducible, renal tubule-specific atg7 (autophagy related 7) knockout (iRT-atg7-KO) mice, autophagy deficiency induced after AKI suppressed the pro-fibrotic phenotype in tubular cells and reduced fibrosis. Among the major cytokines, tubular autophagy deficiency in iRT-atg7-KO mice specifically diminished FGF2. Autophagy inhibition also attenuated FGF2 expression in TGFB1/TGF-β1 (transforming growth factor, beta 1)-treated renal tubular cells. Consistent with a paracrine action, the culture medium of TGFB1-treated tubular cells stimulated renal fibroblasts, and this effect was suppressed by FGF2 neutralizing antibody and also by fgf2- or atg7-deletion in tubular cells. In human, compared with non-AKI, the renal biopsies from post-AKI patients had higher levels of autophagy and FGF2 in tubular cells, which showed significant correlations with renal fibrosis. These results indicate that persistent autophagy after AKI induces pro-fibrotic phenotype transformation in tubular cells leading to the expression and secretion of FGF2, which activates fibroblasts for renal fibrosis during maladaptive kidney repair.Abbreviations: 3-MA: 3-methyladnine; ACTA2/α-SMA: actin alpha 2, smooth muscle, aorta; ACTB/β-actin: actin, beta; AKI: acute kidney injury; ATG/Atg: autophagy related; BUN: blood urea nitrogen; CCN2/CTGF: cellular communication network factor 2; CDKN2A/p16: cyclin dependent kinase inhibitor 2A; CKD: chronic kidney disease; CM: conditioned medium; COL1A1: collagen, type I, alpha 1; COL4A1: collagen, type IV, alpha 1; CQ: chloroquine; ECM: extracellular matrix; eGFR: estimated glomerular filtration rate; ELISA: enzyme-linked immunosorbent assay; FGF2: fibroblast growth factor 2; FN1: fibronectin 1; FOXO3: forkhead box O3; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; HAVCR1/KIM-1: hepatitis A virus cellular receptor 1; IHC: immunohistochemistry; IRI: ischemia-reperfusion injury; ISH: in situ hybridization; LTL: lotus tetragonolobus lectin; MAP1LC3B/LC3B: microtubule-associated protein 1 light chain 3 beta; MTOR: mechanistic target of rapamycin kinase; PDGFB: platelet derived growth factor, B polypeptide; PPIB/cyclophilin B: peptidylprolyl isomerase B; RT-qPCR: real time-quantitative PCR; SA-GLB1/β-gal: senescence-associated galactosidase, beta 1; SASP: senescence-associated secretory phenotype; sCr: serum creatinine; SQSTM1/p62: sequestosome 1; TASCC: TOR-autophagy spatial coupling compartment; TGFB1/TGF-β1: transforming growth factor, beta 1; VIM: vimentin.
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Affiliation(s)
- Man J. Livingston
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA,Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA,Man J. Livingston Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Shaoqun Shu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ying Fan
- Department of Nephrology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Ze Li
- Department of Nephrology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Qiong Jiao
- Department of Pathology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Xiao-Ming Yin
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | | | - Zheng Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA,Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA,CONTACT Zheng Dong Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, 1460 Laney Walker Blvd, Augusta, GA30912, USA
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48
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Tubular epithelial cells-derived small extracellular vesicle-VEGF-A promotes peritubular capillary repair in ischemic kidney injury. NPJ Regen Med 2022; 7:73. [PMID: 36528739 PMCID: PMC9759551 DOI: 10.1038/s41536-022-00268-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Peritubular capillaries (PTCs) are closely related to renal tubules in structure and function, and both are pivotal regulators in the development and progression of acute kidney injury (AKI). However, the mechanisms that underlie the interaction between PTCs and tubules during AKI remain unclear. Here we explored a new mode of tubulovascular crosstalk mediated by small extracellular vesicles (sEV) after AKI. In response to renal ischemia/reperfusion (I/R) injury, endothelial proliferation of PTCs and tubular expression of vascular endothelial growth factor-A (VEGF-A) were increased, accompanied by a remarkable redistribution of cytoplasmic VEGF-A to the basolateral side of tubular cells. Meanwhile, the secretion mode of VEGF-A was converted in the injured tubular cells, which showed a much greater tendency to secrete VEGF-A via sEV other than the free form. Interestingly, tubular cell-derived VEGF-A-enriched sEV (sEV-VEGF-A) turned out to promote endothelial proliferation which was regulated by VEGF receptors 1 and 2. Furthermore, inhibition of renal sEV secretion by Rab27a knockdown resulted in a significant decrease in the proliferation of peritubular endothelial cells in vivo. Importantly, taking advantage of the newly recognized endogenous repair response of PTCs, exogenous supplementation of VEGF-A + sEV efficiently recused PTC rarefaction, improved renal perfusion, and halted the AKI to CKD transition. Taken together, our study uncovered a novel intrinsic repair response after AKI through renal tubule-PTC crosstalk via sEV-VEGF-A, which could be exploited as a promising therapeutic angiogenesis strategy in diseases with ischemia.
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49
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Czopek A, Moorhouse R, Gallacher PJ, Pugh D, Ivy JR, Farrah TE, Godden E, Hunter RW, Webb DJ, Tharaux PL, Kluth DC, Dear JW, Bailey MA, Dhaun N. Endothelin blockade prevents the long-term cardiovascular and renal sequelae of acute kidney injury in mice. Sci Transl Med 2022; 14:eabf5074. [PMID: 36516266 DOI: 10.1126/scitranslmed.abf5074] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Acute kidney injury (AKI) is common and associated with increased risks of cardiovascular and chronic kidney disease. Causative molecular/physiological pathways are poorly defined. There are no therapies to improve long-term outcomes. An activated endothelin system promotes cardiovascular and kidney disease progression. We hypothesized a causal role for this in the transition of AKI to chronic disease. Plasma endothelin-1 was threefold higher; urine endothelin-1 was twofold higher; and kidney preproendothelin-1, endothelin-A, and endothelin-B receptor message up-regulated in patients with AKI. To show causality, AKI was induced in mice by prolonged ischemia with a 4-week follow-up. Ischemic injury resulted in hypertension, endothelium-dependent and endothelium-independent macrovascular and microvascular dysfunction, and an increase in circulating inflammatory Ly6Chigh monocytes. In the kidney, we observed fibrosis, microvascular rarefaction, and inflammation. Administration of endothelin-A antagonist, but not dual endothelin-A/B antagonist, normalized blood pressure, improved macrovascular and microvascular function, and prevented the transition of AKI to CKD. Endothelin-A blockade reduced circulating and renal proinflammatory Ly6Chigh monocytes and B cells, and promoted recruitment of anti-inflammatory Ly6Clow monocytes to the kidney. Blood pressure reduction alone provided no benefits; blood pressure reduction alongside blockade of the endothelin system was as effective as endothelin-A antagonism in mitigating the long-term sequelae of AKI in mice. Our studies suggest up-regulation of the endothelin system in patients with AKI and show in mice that existing drugs that block the endothelin system, particularly those coupling vascular support and anti-inflammatory action, can prevent the transition of AKI to chronic kidney and cardiovascular disease.
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Affiliation(s)
- Alicja Czopek
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Rebecca Moorhouse
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Peter J Gallacher
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Dan Pugh
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK.,Department of Renal Medicine, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
| | - Jessica R Ivy
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Tariq E Farrah
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK.,Department of Renal Medicine, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
| | - Emily Godden
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Robert W Hunter
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK.,Department of Renal Medicine, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
| | - David J Webb
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Pierre-Louis Tharaux
- Paris Cardiovascular Research Centre (PARCC), Institut National de la Santé et de la Recherche Médicale (INSERM), 75015 Paris, France
| | - David C Kluth
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - James W Dear
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Matthew A Bailey
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Neeraj Dhaun
- Edinburgh Kidney, University/BHF Centre of Research Excellence, University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK.,Department of Renal Medicine, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK.,Paris Cardiovascular Research Centre (PARCC), Institut National de la Santé et de la Recherche Médicale (INSERM), 75015 Paris, France
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50
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Huang L, Shi Y, Hu J, Ding J, Guo Z, Yu B. Integrated analysis of mRNA-seq and miRNA-seq reveals the potential roles of Egr1, Rxra and Max in kidney stone disease. Urolithiasis 2022; 51:13. [PMID: 36484839 DOI: 10.1007/s00240-022-01384-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 11/16/2022] [Indexed: 12/13/2022]
Abstract
Nephrolithiasis is one of the most common and frequent urologic diseases worldwide. The molecular mechanism of kidney stone formation is complex and remains to be illustrated. Transcript factors (TFs) that influenced the expression pattern of multiple genes, as well as microRNAs, important posttranscriptional modulators, play vital roles in this disease progression. Datasets of nephrolithiasis mice and kidney stone patients were acquired from Gene Expression Omnibus repository. TFs were predicted from differentially expressed genes by RcisTarget. The target genes of differential-expressed microRNAs were predicted by miRWalk. MicroRNA-mRNA network and PPI network were constructed. Functional enrichment analysis was performed via Metascape and Cytoscape identified hub genes. The assay of quantitative real-time PCR (q-PCR) and immunochemistry and the datasets of oxalate diet-induced nephrolithiasis mice kidneys and kidney stone patients' samples were utilized to validate the bioinformatic results. We identified three potential key TFs (Egr1, Rxra, Max), which can be modulated by miR-181a-5p, miR-7b-3p and miR-22-3p, respectively. The TFs and their regulated hub genes influenced the progression of nephrolithiasis via altering the expression of genes enriched in the functions of fibrosis, cell proliferation and molecular transportation and metabolism. The expression changes of transcription factors were consistent in q-PCR and immunochemistry results. For regulated hub genes, they showed consistent expression changes in oxalate diet-induced nephrolithiasis mice model and human kidneys with stones. The identified and verified three TFs, which may be modulated by microRNAs in nephrolithiasis disease progression, mainly influence biological processes responding to fibrosis, proliferation and molecular transportation and metabolism. The transcript influence showed consistency in multiple nephrolithiasis mice models and kidney stone patients.
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Affiliation(s)
- Linxi Huang
- Department of Nephrology, Changhai Hospital, Naval Medical University (Second Military Medical University), 168 Changhai Road, Shanghai, 200433, People's Republic of China
- Department of Cell Biology, Naval Medical University (Second Military Medical University), 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Yuxuan Shi
- Department of Nephrology, Changhai Hospital, Naval Medical University (Second Military Medical University), 168 Changhai Road, Shanghai, 200433, People's Republic of China
| | - Junjie Hu
- Department of Cell Biology, Naval Medical University (Second Military Medical University), 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Jiarong Ding
- Department of Nephrology, Changhai Hospital, Naval Medical University (Second Military Medical University), 168 Changhai Road, Shanghai, 200433, People's Republic of China
| | - Zhiyong Guo
- Department of Nephrology, Changhai Hospital, Naval Medical University (Second Military Medical University), 168 Changhai Road, Shanghai, 200433, People's Republic of China.
| | - Bing Yu
- Department of Cell Biology, Naval Medical University (Second Military Medical University), 800 Xiangyin Road, Shanghai, 200433, People's Republic of China.
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