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Jiang Y, Ma F, Wang J, Chen X, Xue L, Chen X, Hu J. Up-regulation of long non-coding RNA H19 ameliorates renal tubulointerstitial fibrosis by reducing lipid deposition and inflammatory response through regulation of the microRNA-130a-3p/long-chain acyl-CoA synthetase 1 axis. Noncoding RNA Res 2024; 9:1120-1132. [PMID: 39022687 PMCID: PMC11254502 DOI: 10.1016/j.ncrna.2024.05.002] [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: 02/02/2024] [Revised: 04/28/2024] [Accepted: 05/08/2024] [Indexed: 07/20/2024] Open
Abstract
Long non-coding RNA (lncRNA) H19 is an extensively studied lncRNA that is related to numerous pathological changes. Our previous findings have documented that serum lncRNA H19 levels are decreased in patients with chronic kidney disorder and lncRNA H19 reduction is closely correlated with renal tubulointerstitial fibrosis, an essential step in developing end-stage kidney disease. Nonetheless, the precise function and mechanism of lncRNA H19 in renal tubulointerstitial fibrosis are not fully comprehended. The present work utilized a mouse model of unilateral ureteral obstruction (UUO) and transforming growth factor-β1 (TGF-β1)-stimulated HK-2 cells to investigate the possible role and mechanism of lncRNA H19 in renal tubulointerstitial fibrosis were investigated. Levels of lncRNA H19 decreased in kidneys of mice with UUO and HK-2 cells stimulated with TGF-β1. Up-regulation of lncRNA H19 in mouse kidneys remarkably relieved kidney injury, fibrosis and inflammation triggered by UUO. Moreover, the increase of lncRNA H19 in HK-2 cells reduced epithelial-to-mesenchymal transition (EMT) induced by TGF-β1. Notably, up-regulation of lncRNA H19 reduced lipid accumulation and triacylglycerol content in kidneys of mice with UUO and TGF-β1-stimulated HK-2 cells, accompanied by the up-regulation of long-chain acyl-CoA synthetase 1 (ACSL1). lncRNA H19 was identified as a sponge of microRNA-130a-3p, through which lncRNA H19 modulates the expression of ACSL1. The overexpression of microRNA-130a-3p reversed the lncRNA H19-induced increases in the expression of ACSL1. The suppressive effects of lncRNA H19 overexpression on the EMT, inflammation and lipid accumulation in HK-2 cells were diminished by ACSL1 silencing or microRNA-130a-3p overexpression. Overall, the findings showed that lncRNA H19 ameliorated renal tubulointerstitial fibrosis by reducing lipid deposition via modulation of the microRNA-130a-3p/ACSL1 axis.
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Affiliation(s)
| | | | | | | | | | | | - Jinping Hu
- Department of Nephrology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi Province, China
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2
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Su R, Chang L, Zhou T, Meng F, Zhang D. Effects of GABA on Oxidative Stress and Metabolism in High-Glucose Cultured Mongolian Sheep Kidney Cells. Int J Mol Sci 2024; 25:10033. [PMID: 39337519 PMCID: PMC11432592 DOI: 10.3390/ijms251810033] [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: 07/24/2024] [Revised: 08/28/2024] [Accepted: 09/10/2024] [Indexed: 09/30/2024] Open
Abstract
The Mongolian sheep, emblematic of the Inner Mongolian grasslands, is renowned for its exceptional stress resistance and adaptability to harsh environments, drawing considerable attention. Recent research has unveiled the novel role of γ-aminobutyric acid (GABA) in combating oxidative stress. This investigation examined how GABA impacts renal-cortex and medulla cells from Mongolian sheep exposed to high-glucose stress conditions, utilizing gene expression analysis and non-targeted metabolomics. Elevated glucose levels significantly reduced the viability of Mongolian sheep renal cells and increased reactive oxygen species (ROS) levels. Conversely, the introduction of GABA notably enhanced cell viability, reduced ROS production, and stimulated the expression of antioxidant genes (e.g., Gpx, SOD, CAT) in the renal cortex. In the renal medulla, CAT expression increased, while Gpx gene expression showed mixed responses. Metabolomics analysis indicated that high-glucose exposure altered various metabolites, whereas GABA alleviated the metabolic stress induced by high glucose through modulating glycolysis and the tricarboxylic acid cycle. In Mongolian sheep renal cells, GABA effectively mitigated oxidative damage triggered by high-glucose stress by upregulating antioxidant genes and regulating metabolic pathways, revealing insights into its potential mechanism for adapting to extreme environments. This finding offers a fresh perspective on understanding the stress resilience of Mongolian sheep and may provide valuable insights for research across diverse disciplines.
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Affiliation(s)
- Rina Su
- College of Life Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
- Inner Mongolia Autonomous Region Key Laboratory of Biomanufacturing, Hohhot 010018, China
| | - Longwei Chang
- College of Life Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
- Inner Mongolia Autonomous Region Key Laboratory of Biomanufacturing, Hohhot 010018, China
| | - Tong Zhou
- College of Life Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
- Inner Mongolia Autonomous Region Key Laboratory of Biomanufacturing, Hohhot 010018, China
| | - Fanhua Meng
- College of Life Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
- Inner Mongolia Autonomous Region Key Laboratory of Biomanufacturing, Hohhot 010018, China
| | - Dong Zhang
- College of Life Sciences, Inner Mongolia Agricultural University, Hohhot 010018, China
- Inner Mongolia Autonomous Region Key Laboratory of Biomanufacturing, Hohhot 010018, China
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3
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Jackson JW, Frederick C Streich, Pal A, Coricor G, Boston C, Brueckner CT, Canonico K, Chapron C, Cote S, Dagbay KB, Danehy FT, Kavosi M, Kumar S, Lin S, Littlefield C, Looby K, Manohar R, Martin CJ, Wood M, Zawadzka A, Wawersik S, Nicholls SB, Datta A, Buckler A, Schürpf T, Carven GJ, Qatanani M, Fogel AI. An antibody that inhibits TGF-β1 release from latent extracellular matrix complexes attenuates the progression of renal fibrosis. Sci Signal 2024; 17:eadn6052. [PMID: 38980922 DOI: 10.1126/scisignal.adn6052] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 06/11/2024] [Indexed: 07/11/2024]
Abstract
Inhibitors of the transforming growth factor-β (TGF-β) pathway are potentially promising antifibrotic therapies, but nonselective simultaneous inhibition of all three TGF-β homologs has safety liabilities. TGF-β1 is noncovalently bound to a latency-associated peptide that is, in turn, covalently bound to different presenting molecules within large latent complexes. The latent TGF-β-binding proteins (LTBPs) present TGF-β1 in the extracellular matrix, and TGF-β1 is presented on immune cells by two transmembrane proteins, glycoprotein A repetitions predominant (GARP) and leucine-rich repeat protein 33 (LRRC33). Here, we describe LTBP-49247, an antibody that selectively bound to and inhibited the activation of TGF-β1 presented by LTBPs but did not bind to TGF-β1 presented by GARP or LRRC33. Structural studies demonstrated that LTBP-49247 recognized an epitope on LTBP-presented TGF-β1 that is not accessible on GARP- or LRRC33-presented TGF-β1, explaining the antibody's selectivity for LTBP-complexed TGF-β1. In two rodent models of kidney fibrosis of different etiologies, LTBP-49247 attenuated fibrotic progression, indicating the central role of LTBP-presented TGF-β1 in renal fibrosis. In mice, LTBP-49247 did not have the toxic effects associated with less selective TGF-β inhibitors. These results establish the feasibility of selectively targeting LTBP-bound TGF-β1 as an approach for treating fibrosis.
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Affiliation(s)
| | | | - Ajai Pal
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - George Coricor
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Chris Boston
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | | | | | | | - Shaun Cote
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Kevin B Dagbay
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | | | - Mania Kavosi
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Sandeep Kumar
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Susan Lin
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | | | - Kailyn Looby
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Rohan Manohar
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | | | - Marcie Wood
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
- ToxStrategies LLC, 23501 Cinco Ranch Boulevard, Katy, TX 77494, USA
| | - Agatha Zawadzka
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Stefan Wawersik
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | | | - Abhishek Datta
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Alan Buckler
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | - Thomas Schürpf
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
| | | | | | - Adam I Fogel
- Scholar Rock Inc., 301 Binney Street, Cambridge, MA 02142, USA
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4
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Liang W, He Y, Zhu T, Zhang B, Liu S, Guo H, Liu P, Liu H, Li D, Kang X, Li W, Sun G. Dietary restriction promote sperm remodeling in aged roosters based on transcriptome analysis. BMC Genomics 2024; 25:680. [PMID: 38978040 PMCID: PMC11232191 DOI: 10.1186/s12864-024-10544-3] [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: 04/18/2024] [Accepted: 06/20/2024] [Indexed: 07/10/2024] Open
Abstract
BACKGROUND The breeder rooster has played a pivotal role in poultry production by providing high-quality semen. Typically, fertility peaks between 30 and 40 weeks of age and then declines rapidly from 45 to 55 weeks of age. Research into improving fertility in aging roosters is essential to extend their productive life. While progress has been made, enhancing fertility in aging roosters remains a significant challenge. METHODS To identify the genes related to promoting sperm remodeling in aged Houdan roosters, we combined changes in testis and semen quality with transcriptome sequencing (RNA-seq) to analyze the synchrony of semen quality and testis development. In this study, 350-day-old Houdan breeder roosters were selected for RNA-seq analysis in testis tissues from induced molting roosters (D group) and non-induced molting roosters (47DG group). All analyses of differentially expressed genes (DEGs) and functional enrichment were performed. Finally, we selected six DEGs to verify the accuracy of the sequencing by qPCR. RESULTS Compared with the 47DG group, sperm motility (P < 0.05), sperm density (P < 0.01), and testis weight (P < 0.05) were significantly increased in roosters in the D group. Further RNA-seq analysis of the testis between the D group and 47DG group identified 61 DEGs, with 21 up-regulated and 40 down-regulated. Functional enrichment analysis showed that the DEGs were primarily enriched in the cytokine-cytokine receptor interaction, Wnt signaling pathway, MAPK signaling pathway, TGF-β signaling pathway, and focal adhesion pathway. The qRT-PCR results showed that the expression trend of these genes was consistent with the sequencing results. WNT5A, FGFR3, AGTR2, TGFβ2, ROMO1, and SLC26A7 may play a role in testis development and spermatogenesis. This study provides fundamental data to enhance the reproductive value of aging roosters.
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Affiliation(s)
- Wenjie Liang
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Yuehua He
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Tingqi Zhu
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Binbin Zhang
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Shuangxing Liu
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Haishan Guo
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Pingquan Liu
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Huayuan Liu
- Henan Fengyuan Poultry Co., Ltd, Nanyang, 473000, China
| | - Donghua Li
- The Shennong Laboratory, Zhengzhou, 450002, China
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Xiangtao Kang
- The Shennong Laboratory, Zhengzhou, 450002, China
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China
| | - Wenting Li
- The Shennong Laboratory, Zhengzhou, 450002, China.
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China.
| | - Guirong Sun
- The Shennong Laboratory, Zhengzhou, 450002, China.
- College of Animal Science and Technology, Henan Agricultural University, Ping'an Avenue 218#, Zhengdong New District, Zhengzhou, 450046, P. R. China.
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5
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Hanson I, Juvkam IS, Zlygosteva O, Søland TM, Galtung HK, Malinen E, Edin NFJ. TGF-β3 increases the severity of radiation-induced oral mucositis and salivary gland fibrosis in a mouse model. Int J Radiat Biol 2024; 100:767-776. [PMID: 38442208 DOI: 10.1080/09553002.2024.2324476] [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: 09/17/2023] [Accepted: 02/06/2024] [Indexed: 03/07/2024]
Abstract
PURPOSE Toxicities from head and neck (H&N) radiotherapy (RT) may affect patient quality of life and can be dose-limiting. Proteins from the transforming growth factor beta (TGF-β) family are key players in the fibrotic response. While TGF-β1 is known to be pro-fibrotic, TGF-β3 has mainly been considered anti-fibrotic. Moreover, TGF-β3 has been shown to act protective against acute toxicities after radio- and chemotherapy. In the present study, we investigated the effect of TGF-β3 treatment during fractionated H&N RT in a mouse model. MATERIALS AND METHODS 30 C57BL/6J mice were assigned to three treatment groups. The RT + TGF-β3 group received local fractionated H&N RT with 66 Gy over five days, combined with TGF-β3-injections at 24-hour intervals. Animals in the RT reference group received identical RT without TGF-β3 treatment. The non-irradiated control group was sham-irradiated according to the same RT schedule. In the follow-up period, body weight and symptoms of oral mucositis and lip dermatitis were monitored. Saliva was sampled at five time points. The experiment was terminated 105 d after the first RT fraction. Submandibular and sublingual glands were preserved, sectioned, and stained with Masson's trichrome to visualize collagen. RESULTS A subset of mice in the RT + TGF-β3 group displayed increased severity of oral mucositis and increased weight loss, resulting in a significant increase in mortality. Collagen content was significantly increased in the submandibular and sublingual glands for the surviving RT + TGF-β3 mice, compared with non-irradiated controls. In the RT reference group, collagen content was significantly increased in the submandibular gland only. Both RT groups displayed lower saliva production after treatment compared to controls. TGF-β3 treatment did not impact saliva production. CONCLUSIONS When repeatedly administered during fractionated RT at the current dose, TGF-β3 treatment increased acute H&N radiation toxicities and increased mortality. Furthermore, TGF-β3 treatment may increase the severity of radiation-induced salivary gland fibrosis.
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Affiliation(s)
- Ingunn Hanson
- Department of Physics, University of Oslo, Oslo, Norway
| | | | | | - Tine Merete Søland
- Institute of Oral Biology, University of Oslo, Oslo, Norway
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | | | - Eirik Malinen
- Department of Physics, University of Oslo, Oslo, Norway
- Department of Medical Physics, Cancer Clinic, Oslo University Hospital, Oslo, Norway
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Liu J, Feng L, Jia Q, Meng J, Zhao Y, Ren L, Yan Z, Wang M, Qin J. A comprehensive bioinformatics analysis identifies mitophagy biomarkers and potential Molecular mechanisms in hypertensive nephropathy. J Biomol Struct Dyn 2024:1-20. [PMID: 38334110 DOI: 10.1080/07391102.2024.2311344] [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: 07/31/2023] [Accepted: 12/05/2023] [Indexed: 02/10/2024]
Abstract
Mitophagy, the selective removal of damaged mitochondria, plays a critical role in kidney diseases, but its involvement in hypertensive nephropathy (HTN) is not well understood. To address this gap, we investigated mitophagy-related genes in HTN, identifying potential biomarkers for diagnosis and treatment. Transcriptome datasets from the Gene Expression Omnibus database were analyzed, resulting in the identification of seven mitophagy related differentially expressed genes (MR-DEGs), namely PINK1, ULK1, SQSTM1, ATG5, ATG12, MFN2, and UBA52. Further, we explored the correlation between MR-DEGs, immune cells, and inflammatory factors. The identified genes demonstrated a strong correlation with Mast cells, T-cells, TGFβ3, IL13, and CSF3. Machine learning techniques were employed to screen important genes, construct diagnostic models, and evaluate their accuracy. Consensus clustering divided the HTN patients into two mitophagy subgroups, with Subgroup 2 showing higher levels of immune cell infiltration and inflammatory factors. The functions of their proteins primarily involve complement, coagulation, lipids, and vascular smooth muscle contraction. Single-cell RNA sequencing revealed that mitophagy was most significant in proximal tubule cells (PTC) in HTN patients. Pseudotime analysis of PTC confirmed the expression changes observed in the transcriptome. Intercellular communication analysis suggested that mitophagy might regulate PTC's participation in intercellular crosstalk. Notably, specific transcription factors such as HNF4A, PPARA, and STAT3 showed strong correlations with mitophagy-related genes in PTC, indicating their potential role in modulating PTC function and influencing the onset and progression of HTN. This study offers a comprehensive analysis of mitophagy in HTN, enhancing our understanding of the pathogenesis, diagnosis, and treatment of HTN.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Jiayou Liu
- The Second Clinical Medical College, Beijing University of Chinese Medicine, Beijing, China
| | - Luda Feng
- Department of Nephropathy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Qi Jia
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jia Meng
- Department of Nephropathy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yun Zhao
- Department of Nephropathy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Lei Ren
- Department of Nephropathy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Ziming Yan
- Department of Nephropathy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Manrui Wang
- The Second Clinical Medical College, Beijing University of Chinese Medicine, Beijing, China
| | - Jianguo Qin
- Department of Nephropathy, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
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7
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Luo Z, Chen Z, Hu J, Ding G. Interplay of lipid metabolism and inflammation in podocyte injury. Metabolism 2024; 150:155718. [PMID: 37925142 DOI: 10.1016/j.metabol.2023.155718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 10/12/2023] [Accepted: 10/28/2023] [Indexed: 11/06/2023]
Abstract
Podocytes are critical for maintaining permselectivity of the glomerular filtration barrier, and podocyte injury is a major cause of proteinuria in various primary and secondary glomerulopathies. Lipid dysmetabolism and inflammatory activation are the distinctive hallmarks of podocyte injury. Lipid accumulation and lipotoxicity trigger cytoskeletal rearrangement, insulin resistance, mitochondrial oxidative stress, and inflammation. Subsequently, inflammation promotes the progression of glomerulosclerosis and renal fibrosis via multiple pathways. These data suggest that lipid dysmetabolism positively or negatively regulates inflammation during podocyte injury. In this review, we summarize recent advances in the understanding of lipid metabolism and inflammation, and highlight the potential association between lipid metabolism and podocyte inflammation.
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Affiliation(s)
- Zilv Luo
- Division of Nephrology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Nephrology and Urology Research Institute of Wuhan University, Wuhan 430060, China
| | - Zhaowei Chen
- Division of Nephrology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Nephrology and Urology Research Institute of Wuhan University, Wuhan 430060, China.
| | - Jijia Hu
- Division of Nephrology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Nephrology and Urology Research Institute of Wuhan University, Wuhan 430060, China
| | - Guohua Ding
- Division of Nephrology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Nephrology and Urology Research Institute of Wuhan University, Wuhan 430060, China.
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Hanson I, Pitman KE, Edin NFJ. The Role of TGF-β3 in Radiation Response. Int J Mol Sci 2023; 24:ijms24087614. [PMID: 37108775 PMCID: PMC10141893 DOI: 10.3390/ijms24087614] [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: 03/16/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
Transforming growth factor-beta 3 (TGF-β3) is a ubiquitously expressed multifunctional cytokine involved in a range of physiological and pathological conditions, including embryogenesis, cell cycle regulation, immunoregulation, and fibrogenesis. The cytotoxic effects of ionizing radiation are employed in cancer radiotherapy, but its actions also influence cellular signaling pathways, including that of TGF-β3. Furthermore, the cell cycle regulating and anti-fibrotic effects of TGF-β3 have identified it as a potential mitigator of radiation- and chemotherapy-induced toxicity in healthy tissue. This review discusses the radiobiology of TGF-β3, its induction in tissue by ionizing radiation, and its potential radioprotective and anti-fibrotic effects.
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Affiliation(s)
- Ingunn Hanson
- Department of Physics, University of Oslo, 0371 Oslo, Norway
| | | | - Nina F J Edin
- Department of Physics, University of Oslo, 0371 Oslo, Norway
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9
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Demirtas L, Gürbüzel M, Akbas EM, Tahirler H, Karatas O, Kemal Arslan Y. The Effects of Sunitinib in Healthy and Cisplatin-Induced Rats. Chem Biodivers 2023; 20:e202200704. [PMID: 36703598 DOI: 10.1002/cbdv.202200704] [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: 08/02/2022] [Accepted: 01/04/2023] [Indexed: 01/28/2023]
Abstract
Sunitinib is a multitargeted kinase inhibitor that inhibits many receptor tyrosine kinases and has been used in the treatment of gastrointestinal stromal tumors, metastatic renal cell carcinoma, and pancreatic neuroendocrine tumors. In this study, the effects of sunitinib given to rats, both alone and after stress with cisplatin, were investigated. The animals were divided into four groups - (1) control group (C) administered interperitoneally with a single dose 0.9 % saline, (2) Cis group administered a single dose (7 mg/kg) of cisplatin, (3) Sun group administered 10 mg/kg sunitinib for seven days, and (4) Cis+Sun group administered 10 mg/kg sunitinib for seven days after a single dose (7 mg/kg) of cisplatin. After these applications, the rats were sacrificed, and blood and tissue samples were taken for biochemical and histopathological evaluations. Sunitinib did not show any effect on urea, creatine, and kidney IL1β and TGF-β3 expression levels when administered alone; it increased ALT, AST, and IL-38 levels. When sunitinib was given to the cisplatin-induced rats, it was observed that the increase in ALT, AST, and IL-38 levels increased more than the rats that was given only sunitinib. According to the data obtained, sunitinib does not cause a significant change in kidney tissue under both normal and stress conditions, while it creates stress in liver tissue. In addition, its toxicity in the liver becomes more certain as a result of its combination with cisplatin.
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Affiliation(s)
- Levent Demirtas
- Department of Internal Medicine, Faculty of Medicine, Erzincan Binali Yıldırım University, 24100, Erzincan, Türkiye
| | - Mehmet Gürbüzel
- Department of Medical Biology, Faculty of Medicine, Erzincan Binali Yıldırım University, 24100, Erzincan, Türkiye
| | - Emin Murat Akbas
- Department of Endocrinology, Faculty of Medicine, Erzincan Binali Yıldırım University, 24100, Erzincan, Türkiye
| | - Hilal Tahirler
- Department of Internal Medicine, Gülhane Training and Research Hospital, Health Sciences University, 06010, Ankara, Türkiye
| | - Ozhan Karatas
- Department of Veterinary Pathology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, 58140, Sivas, Türkiye
| | - Yusuf Kemal Arslan
- Department of Biostatistics, Medical Faculty, Çukurova University, 01330, Adana, Türkiye
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10
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Kim KP, Williams CE, Lemmon CA. Cell-Matrix Interactions in Renal Fibrosis. KIDNEY AND DIALYSIS 2022; 2:607-624. [PMID: 37033194 PMCID: PMC10081509 DOI: 10.3390/kidneydial2040055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Renal fibrosis is a hallmark of end-stage chronic kidney disease. It is characterized by increased accumulation of extracellular matrix (ECM), which disrupts cellular organization and function within the kidney. Here, we review the bi-directional interactions between cells and the ECM that drive renal fibrosis. We will discuss the cells involved in renal fibrosis, changes that occur in the ECM, the interactions between renal cells and the surrounding fibrotic microenvironment, and signal transduction pathways that are misregulated as fibrosis proceeds. Understanding the underlying mechanisms of cell-ECM crosstalk will identify novel targets to better identify and treat renal fibrosis and associated renal disease.
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Affiliation(s)
- Kristin P. Kim
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Caitlin E. Williams
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Christopher A. Lemmon
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA
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11
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Tackling the effects of extracellular vesicles in fibrosis. Eur J Cell Biol 2022; 101:151221. [PMID: 35405464 DOI: 10.1016/j.ejcb.2022.151221] [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: 01/20/2022] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/22/2022] Open
Abstract
Fibrosis is a physiological process of tissue repair that turns into pathological when becomes chronic, damaging the functional structure of the tissue. In this review we outline the current status of extracellular vesicles as modulators of the fibrotic process at different levels. In adipose tissue, extracellular vesicles mediate the intercellular communication not only between adipocytes, but also between adipocytes and other cells of the stromal vascular fraction. Thus, they could be altering essential processes for the functionality of adipose tissue, such as adipocyte hypertrophy/hyperplasia, tissue plasticity, adipogenesis and/or inflammation, and ultimately trigger fibrosis. This process is particularly important in obesity, and may eventually, influence the development of obesity-associated alterations. In this regard, obesity is now recognized as an independent risk factor for the development of chronic kidney disease, although the role of extracellular vesicles in this connection has not been explored so far. Nonetheless, the role of extracellular vesicles in the onset and progression of renal fibrosis has been highlighted due to the critical role of fibrosis as a common feature of kidney diseases. In fact, the content of extracellular vesicles disturbs cellular signaling cascades involved in fibrosis in virtually all types of renal cells. What is certain is that the study of extracellular vesicles is complex, as their isolation and manipulation is still difficult to reproduce, which complicates the overview of their physiopathological effects. Nevertheless, new strategies have been developed to exploit the potential of extracellular vesicles and their cargo, both as biomarkers and as therapeutic tools to prevent the progression of fibrosis towards an irreversible event.
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Hooper KM. What lies beyond 100 years of insulin. Dis Model Mech 2021; 14:dmm049361. [PMID: 34752619 PMCID: PMC8592014 DOI: 10.1242/dmm.049361] [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] [Indexed: 11/20/2022] Open
Abstract
It has been 100 years since the discovery of insulin. This revolutionary treatment saves the lives of millions of people living with diabetes, but much remains to be understood of its mechanisms and roles in homeostasis and disease. To celebrate this centenary, we explore areas of ongoing insulin research in diabetes, metabolic syndrome and beyond. Disease Models & Mechanisms aims to publish high-quality basic and pre-clinical research that advances our understanding of these conditions to facilitate clinical and public health impact.
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Affiliation(s)
- Kirsty M. Hooper
- The Company of Biologists, Bidder Building, Station Road, Cambridge CB24 9LF, UK
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First person – Elia Escasany. Dis Model Mech 2021. [PMCID: PMC8489018 DOI: 10.1242/dmm.049224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
First Person is a series of interviews with the first authors of a selection of papers published in Disease Models & Mechanisms, helping early-career researchers promote themselves alongside their papers. Elia Escasany is first author on ‘
Transforming growth factor β3 deficiency promotes defective lipid metabolism and fibrosis in murine kidney’, published in DMM. Elia is a PhD student in the lab of Gema Medina-Gómez at Universidad Rey Juan Carlos, Madrid, Spain, investigating the role of TGFβ in renal fibrosis.
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