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Sun ZG, Wu KX, Ullah I, Zhu HL. Recent Advances in Xanthine Oxidase Inhibitors. Mini Rev Med Chem 2024; 24:1177-1186. [PMID: 37711003 DOI: 10.2174/1389557523666230913091558] [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: 04/25/2023] [Revised: 07/24/2023] [Accepted: 07/24/2023] [Indexed: 09/16/2023]
Abstract
Uric acid is a product of purine nucleotide metabolism, and high concentrations of uric acid can lead to hyperuricemia, gout and other related diseases. Xanthine oxidase, the only enzyme that catalyzes xanthine and hypoxanthine into uric acid, has become a target for drug development against hyperuricemia and gout. Inhibition of xanthine oxidase can reduce the production of uric acid, so xanthine oxidase inhibitors are used to treat hyperuricemia and related diseases, including gout. In recent years, researchers have obtained new xanthine oxidase inhibitors through drug design, synthesis, or separation of natural products. This paper summarizes the research on xanthine oxidase inhibitors since 2015, mainly including natural products, pyrimidine derivatives, triazole derivatives, isonicotinamide derivatives, chalcone derivatives, furan derivatives, coumarin derivatives, pyrazole derivatives, and imidazole derivatives, hoping to provide valuable information for the research and development of novel xanthine oxidase inhibitors.
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Affiliation(s)
- Zhi-Gang Sun
- Central Laboratory, Linyi Central Hospital, No. 17 Jiankang Road, Linyi, 276400, China
| | - Kai-Xiang Wu
- School of Clinical Medicine, Jining Medical University, No. 133 Hehua Road, Jining, 272067, China
| | - Inam Ullah
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, No. 163 Xianlin Road, Nanjing, 210023, China
| | - Hai-Liang Zhu
- Central Laboratory, Linyi Central Hospital, No. 17 Jiankang Road, Linyi, 276400, China
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, No. 163 Xianlin Road, Nanjing, 210023, China
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Oxidized-LDL Deteriorated the Renal Residual Function and Parenchyma in CKD Rat through Upregulating Epithelial Mesenchymal Transition and Extracellular Matrix-Mediated Tubulointerstitial Fibrosis-Pharmacomodulation of Rosuvastatin. Antioxidants (Basel) 2022; 11:antiox11122465. [PMID: 36552673 PMCID: PMC9774560 DOI: 10.3390/antiox11122465] [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: 11/01/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
This study tested the hypothesis that intrarenal arterial transfusion of oxidized low-density lipoprotein (ox-LDL) jeopardized the residual renal function and kidney architecture in rat chronic kidney disease ((CKD), i.e., induced by 5/6 nephrectomy) that was reversed by rosuvastatin. Cell culture was categorized into A1 (NRK-52E cells), A2 (NRK-52E + TGF-β), A3 (NRK-52E + TGF-β + ox-LDL) and A4 (NRK-52E + TGF-β + ox-LD). The result of in vitro study showed that cell viability (at 24, 48 and 72 h), NRK-52E ox-LDL-uptake, protein expressions of epithelial−mesenchymal−transition (EMT) markers (i.e., p-Smad2/snail/α-SMA/FSP1) and cell migratory and wound healing capacities were significantly progressively increased from A1 to A4 (all p < 0.001). SD rats were categorized into group 1 (sham-operated control), group 2 (CKD), group 3 (CKD + ox-LDL/0.2 mg/rat at day 14 after CKD induction) and group 4 (CKD + ox-LDL-treated as group 3+ rosuvastatin/10 mg/kg/day by days 20 to 42 after CKD induction) and kidneys were harvested at day 42. The circulatory levels of BUN and creatinine, ratio of urine-protein to urine-creatinine and the protein expressions of the above-mentioned EMT, apoptotic (cleaved-caspase3/cleaved-PARP/mitochondrial-Bax) and oxidative-stress (NOX-1/NOX-2/oxidized-protein) markers were lowest in group 1, highest in group 3 and significantly higher in group 4 than in group 2 (all p < 0.0001). Histopathological findings demonstrated that the kidney injury score, fibrotic area and kidney injury molecule-1 (KIM-1) displayed an identical pattern, whereas the cellular expression of podocyte components (ZO-1/synaptopodin) exhibited an opposite pattern of EMT markers (all p < 0.0001). In conclusion, ox-LDL damaged the residual renal function and kidney ultrastructure in CKD mainly through augmenting oxidative stress, EMT and fibrosis that was remarkably reversed by rosuvastatin.
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High fat diet-induced hyperlipidemia and tissue steatosis in rabbits through modulating ileal microbiota. Appl Microbiol Biotechnol 2022; 106:7187-7207. [PMID: 36173452 DOI: 10.1007/s00253-022-12203-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 11/02/2022]
Abstract
High-fat diet (HFD) and overnutrition are important starting factors that may alter intestinal microbiota, lipid metabolism, and systemic inflammation. However, there were few studies on how intestinal microbiota contributes to tissue steatosis and hyperlipidemia. Here, we investigated the effect of lipid metabolism disorder-induced inflammation via toll-like receptor 2 (TLR-2), toll-like receptor 4 (TLR-4), and nuclear factor-κB (NF-κB) pathways at the intestinal level in response to HFD. Twenty 80-day-old male New Zealand White rabbits were randomly divided into the normal diet group (NDG) and the high-fat diet group (HDG) for 80 days. Growth performance, blood biochemical parameters, lipid metabolism, inflammation, degree of tissue steatosis, and intestinal microbial composition were measured. HFD increased the relative abundance of Christensenellaceae_R_7_group, Marvinbryantia, Akkermansia etc., with a reduced relative abundance of Enterorhabdus and Lactobacillus. Moreover, HFD caused steatosis in the liver and abdominal fat and abnormal expression of some genes related to lipid metabolism and tight junction proteins. The TLR-2, TLR-4, NF-κB, TNF-α, and IL-6 were confirmed by overexpression with downregulation of IL-10. Serum biochemical indices (TG, TCHO, LDL-C, and HDL-C) were also increased, indicating evidence for the development of the hyperlipidemia model. Correlation analysis showed that this microbial dysbiosis was correlated with lipid metabolism and inflammation, which were associated with the intestinal tract's barrier function and hyperlipidemia. These results provide an insight into the relationship between HFD, the intestinal microbiota, intestinal barrier, tissue inflammation, lipid metabolism, and hyperlipidemia. KEY POINTS: • High-fat diet leads to ileal microbiota disorders • Ileal microbiota mediates local and systemic lipid metabolism disorders and inflammation • There is a specific link between ileal microbiota, histopathology, and hyperlipidemia.
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Polito L, Bortolotti M, Battelli MG, Bolognesi A. Chronic kidney disease: Which role for xanthine oxidoreductase activity and products? Pharmacol Res 2022; 184:106407. [PMID: 35995347 DOI: 10.1016/j.phrs.2022.106407] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/04/2022] [Accepted: 08/16/2022] [Indexed: 10/15/2022]
Abstract
The present review explores the role of xanthine oxidoreductase (XOR) in the development and progression of chronic kidney disease (CKD). Human XOR is a multi-level regulated enzyme, which has many physiological functions, but that is also implicated in several pathological processes. The main XOR activities are the purine catabolism, which generates uric acid, and the regulation of cell redox state and cell signaling, through the production of reactive oxygen species. XOR dysregulation may lead to hyperuricemia and oxidative stress, which could have a pathogenic role in the initial phases of CKD, by promoting cell injury, hypertension, chronic inflammation and metabolic derangements. Hypertension is common in CKD patients and many mechanisms inducing it (upregulation of renin-angiotensin-aldosterone system, endothelial dysfunction and atherosclerosis) may be influenced by XOR products. High XOR activity and hyperuricemia are also risk factors for obesity, insulin resistance, type 2 diabetes and metabolic syndrome that are frequent CKD causes. Moreover, CKD is common in patients with gout, which is characterized by hyperuricemia, and in patients with cardiovascular diseases, which are associated with hypertension, endothelial dysfunction and atherosclerosis. Although hyperuricemia is undoubtedly related to CKD, controversial findings have been hitherto reported in patients treated with urate-lowering therapies.
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Affiliation(s)
- Letizia Polito
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Massimo Bortolotti
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy
| | - Maria Giulia Battelli
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy
| | - Andrea Bolognesi
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
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Li MT, Liu LL, Zhou Q, Huang LX, Shi YX, Hou JB, Lu HT, Yu B, Chen W, Guo ZY. Phyllanthus Niruri L. Exerts Protective Effects Against the Calcium Oxalate-Induced Renal Injury via Ellgic Acid. Front Pharmacol 2022; 13:891788. [PMID: 36034880 PMCID: PMC9400657 DOI: 10.3389/fphar.2022.891788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Urolithiasis or kidney stones is a common and frequently occurring renal disease; calcium oxalate (CaOx) crystals are responsible for 80% of urolithiasis cases. Phyllanthus niruri L. (PN) has been used to treat urolithiasis. This study aimed to determine the potential protective effects and molecular mechanism of PN on calcium oxalate-induced renal injury.Methods: Microarray data sets were generated from the calcium oxalate-induced renal injury model of HK-2 cells and potential disease-related targets were identified. Network pharmacology was employed to identify drug-related targets of PN and construct the active ingredient-target network. Finally, the putative therapeutic targets and active ingredients of PN were verified in vitro and in vivo.Results: A total of 20 active ingredients in PN, 2,428 drug-related targets, and 127 disease-related targets were identified. According to network pharmacology analysis, HMGCS1, SQLE, and SCD were identified as predicted therapeutic target and ellagic acid (EA) was identified as the active ingredient by molecular docking analysis. The increased expression of SQLE, SCD, and HMGCS1 due to calcium oxalate-induced renal injury in HK-2 cells was found to be significantly inhibited by EA. Immunohistochemical in mice also showed that the levels of SQLE, SCD, and HMGCS1 were remarkably restored after EA treatment.Conclusion: EA is the active ingredient in PN responsible for its protective effects against CaOx-induced renal injury. SQLE, SCD, and HMGCS1 are putative therapeutic targets of EA.
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Affiliation(s)
- Mao-Ting Li
- Changhai Hospital, Naval Medical University, Shanghai, China
| | - Lu-Lu Liu
- Changhai Hospital, Naval Medical University, Shanghai, China
| | - Qi Zhou
- Changhai Hospital, Naval Medical University, Shanghai, China
| | - Lin-Xi Huang
- Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yu-Xuan Shi
- Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jie-Bin Hou
- Department of Nephrology, the Second Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Hong-Tao Lu
- Department of Naval Medicine, Naval Medical University, Shanghai, China
| | - Bing Yu
- Department of Cell Biology, Center for Stem Cell and Medicine, Navy Medical University, Shanghai, China
| | - Wei Chen
- Changhai Hospital, Naval Medical University, Shanghai, China
- *Correspondence: Wei Chen, ; Zhi-Yong Guo,
| | - Zhi-Yong Guo
- Changhai Hospital, Naval Medical University, Shanghai, China
- *Correspondence: Wei Chen, ; Zhi-Yong Guo,
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Molecular Mechanistic Pathways Targeted by Natural Antioxidants in the Prevention and Treatment of Chronic Kidney Disease. Antioxidants (Basel) 2021; 11:antiox11010015. [PMID: 35052518 PMCID: PMC8772744 DOI: 10.3390/antiox11010015] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 02/08/2023] Open
Abstract
Chronic kidney disease (CKD) is the progressive loss of renal function and the leading cause of end-stage renal disease (ESRD). Despite optimal therapy, many patients progress to ESRD and require dialysis or transplantation. The pathogenesis of CKD involves inflammation, kidney fibrosis, and blunted renal cellular antioxidant capacity. In this review, we have focused on in vitro and in vivo experimental and clinical studies undertaken to investigate the mechanistic pathways by which these compounds exert their effects against the progression of CKD, particularly diabetic nephropathy and kidney fibrosis. The accumulated and collected data from preclinical and clinical studies revealed that these plants/bioactive compounds could activate autophagy, increase mitochondrial bioenergetics and prevent mitochondrial dysfunction, act as modulators of signaling pathways involved in inflammation, oxidative stress, and renal fibrosis. The main pathways targeted by these compounds include the canonical nuclear factor kappa B (NF-κB), canonical transforming growth factor-beta (TGF-β), autophagy, and Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor erythroid factor 2-related factor 2 (Nrf2)/antioxidant response element (ARE). This review presented an updated overview of the potential benefits of these antioxidants and new strategies to treat or reduce CKD progression, although the limitations related to the traditional formulation, lack of standardization, side effects, and safety.
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Kidney Inflammation, Injury and Regeneration 2020. Int J Mol Sci 2021; 22:ijms22115589. [PMID: 34070441 PMCID: PMC8197489 DOI: 10.3390/ijms22115589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 05/24/2021] [Indexed: 11/18/2022] Open
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Piani F, Sasai F, Bjornstad P, Borghi C, Yoshimura A, Sanchez-Lozada LG, Roncal-Jimenez C, Garcia GE, Hernando AA, Fuentes GC, Rodriguez-Iturbe B, Lanaspa MA, Johnson RJ. Hyperuricemia and chronic kidney disease: to treat or not to treat. J Bras Nefrol 2021; 43:572-579. [PMID: 33704350 PMCID: PMC8940113 DOI: 10.1590/2175-8239-jbn-2020-u002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 12/28/2020] [Indexed: 12/25/2022] Open
Abstract
Hyperuricemia is common in chronic kidney disease (CKD) and may be present in 50%
of patients presenting for dialysis. Hyperuricemia can be secondary to impaired
glomerular filtration rate (GFR) that occurs in CKD. However, hyperuricemia can
also precede the development of kidney disease and predict incident CKD.
Experimental studies of hyperuricemic models have found that both soluble and
crystalline uric acid can cause significant kidney damage, characterized by
ischemia, tubulointerstitial fibrosis, and inflammation. However, most Mendelian
randomization studies failed to demonstrate a causal relationship between uric
acid and CKD, and clinical trials have had variable results. Here we suggest
potential explanations for the negative clinical and genetic findings, including
the role of crystalline uric acid, intracellular uric acid, and xanthine oxidase
activity in uric acid-mediated kidney injury. We propose future clinical trials
as well as an algorithm for treatment of hyperuricemia in patients with CKD.
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Affiliation(s)
- Federica Piani
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA.,University of Bologna, Department of Medical and Surgical Sciences, Bologna, Italy
| | - Fumihiko Sasai
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Petter Bjornstad
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Claudio Borghi
- University of Bologna, Department of Medical and Surgical Sciences, Bologna, Italy
| | | | - Laura G Sanchez-Lozada
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Carlos Roncal-Jimenez
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Gabriela E Garcia
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Ana Andres Hernando
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Gabriel Cara Fuentes
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Bernardo Rodriguez-Iturbe
- Hospital Universitario de Maracaibo, Instituto de Investigaciones Científicas, Ivic-Zulia, Maracaibo, Venezuela
| | - Miguel A Lanaspa
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA
| | - Richard J Johnson
- University of Colorado School of Medicine, Division of Renal Diseases and Hypertension, Department of Medicine, Aurora, CO, USA.,Rocky Mountain VA Medical Center, Aurora, CO, USA
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Uric Acid and Hypertension: Prognostic Role and Guide for Treatment. J Clin Med 2021; 10:jcm10030448. [PMID: 33498870 PMCID: PMC7865830 DOI: 10.3390/jcm10030448] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/19/2021] [Accepted: 01/21/2021] [Indexed: 02/07/2023] Open
Abstract
The relationship between serum uric acid (SUA) and hypertension has been a subject of increasing interest since the 1870 discovery by Frederick Akbar Mahomed. Several epidemiological studies have shown a strong association between high SUA levels and the presence or the development of hypertension. Genetic analyses have found that xanthine oxidoreductase (XOR) genetic polymorphisms are associated with hypertension. However, genetic studies on urate transporters and Mendelian randomization studies failed to demonstrate a causal relationship between SUA and hypertension. Results from clinical trials on the role of urate-lowering therapy in the management of patients with hypertension are not uniform. Our study sought to analyze the prognostic and therapeutic role of SUA in the hypertensive disease, from uric acid (UA) biology to clinical trials on urate-lowering therapies.
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