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Zhao H, Li Z, Yan M, Ma L, Dong X, Li X, Zhang H, Li P. Irbesartan ameliorates diabetic kidney injury in db/db mice by restoring circadian rhythm and cell cycle. J Transl Int Med 2024; 12:157-169. [PMID: 38799791 PMCID: PMC11117442 DOI: 10.2478/jtim-2022-0049] [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] [Indexed: 05/29/2024] Open
Abstract
Background and Objectives Irbesartan has been widely used in the clinical treatment of diabetic kidney disease (DKD). However, the molecular mechanism of its delay of DKD disease progression has not been fully elucidated. The aim of the present study was to investigate the mechanism of irbesartan in the treatment of DKD. Materials and Methods C57BL/KsJ db/db mice were randomly divided into the model group and irbesartan-treated group. After treatment with irbesartan for 12 weeks, the effects on blood glucose, body weight, 24-h urinary albumin, and renal injuries were evaluated. Microarray was used to determine the differentially expressed genes (DEGs) in the renal cortex of mice. |Log FC| <0.5 and false discovery rate (FDR) <0.25 were set as the screening criteria. Kyoto Encyclopedia of Genes and Genomes (KEGG), gene ontology (GO), protein-protein interaction (PPI) network and modules, and microRNA (miRNA)-DEGs network analysis were applied to analyze the DEGs. Furthermore, quantitative real-time polymerase chain reaction (qRT-PCR) was used to validate the results of microarray. Results The present study demonstrated irbesartan could significantly improve the renal function in db/db mice through decreasing 24-h urinary albumin and alleviating the pathological injury of kidney. Irbesartan may affect the expression of numerous kidney genes involved in circadian rhythm, cell cycle, micoRNAs in cancer, and PI3K-AKT signaling pathway. In the miRNA-DEGs network, miR-1970, miR-703, miR-466f, miR-5135, and miR-132-3p were the potential targets for irbesartan treatment. The validation test confirmed that key genes regulating circadian rhythm (Arntl, Per3, and Dbp) and cell cycle (Prc1, Ccna2, and Ccnb2) were restored in db/db mice on treatment with Irbesartan. Conclusion Generally, irbesartan can effectively treat DKD by regulating the circadian rhythm and cell cycle. The DEGs and pathways identified in the study will provide new insights into the potential mechanisms of irbesartan in the treatment of DKD.
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Affiliation(s)
- Hailing Zhao
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Zhiguo Li
- The Hebei Key Lab for Organ Fibrosis, the Hebei Key Lab for Chronic Disease, School of Public Health, International Science and Technology Cooperation Base of Geriatric Medicine, North China University of Science and Technology, Tangshan063210, Hebei Province, China
| | - Meihua Yan
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Liang Ma
- Clinical Laboratory, China–Japan Friendship Hospital, Beijing10029, China
| | - Xi Dong
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Xin Li
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Haojun Zhang
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Ping Li
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
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Zhao H, Li Z, Yan M, Ma L, Dong X, Li X, Zhang H, Li P. Irbesartan ameliorates diabetic kidney injury in db/db mice by restoring circadian rhythm and cell cycle. J Transl Int Med 2024; 12:157-169. [PMID: 38779121 PMCID: PMC11107183 DOI: 10.2478/jtim-2023-0049] [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] [Indexed: 05/25/2024] Open
Abstract
Background and Objectives Irbesartan has been widely used in the clinical treatment of diabetic kidney disease (DKD). However, the molecular mechanism of its delay of DKD disease progression has not been fully elucidated. The aim of the present study was to investigate the mechanism of irbesartan in the treatment of DKD. Materials and Methods C57BL/KsJ db/db mice were randomly divided into the model group and irbesartan-treated group. After treatment with irbesartan for 12 weeks, the effects on blood glucose, body weight, 24-h urinary albumin, and renal injuries were evaluated. Microarray was used to determine the differentially expressed genes (DEGs) in the renal cortex of mice. |Log FC| <0.5 and false discovery rate (FDR) <0.25 were set as the screening criteria. Kyoto Encyclopedia of Genes and Genomes (KEGG), gene ontology (GO), protein-protein interaction (PPI) network and modules, and microRNA (miRNA)-DEGs network analysis were applied to analyze the DEGs. Furthermore, quantitative real-time polymerase chain reaction (qRT-PCR) was used to validate the results of microarray. Results The present study demonstrated irbesartan could significantly improve the renal function in db/db mice through decreasing 24-h urinary albumin and alleviating the pathological injury of kidney. Irbesartan may affect the expression of numerous kidney genes involved in circadian rhythm, cell cycle, micoRNAs in cancer, and PI3K-AKT signaling pathway. In the miRNA-DEGs network, miR-1970, miR-703, miR-466f, miR-5135, and miR-132-3p were the potential targets for irbesartan treatment. The validation test confirmed that key genes regulating circadian rhythm (Arntl, Per3, and Dbp) and cell cycle (Prc1, Ccna2, and Ccnb2) were restored in db/db mice on treatment with Irbesartan. Conclusion Generally, irbesartan can effectively treat DKD by regulating the circadian rhythm and cell cycle. The DEGs and pathways identified in the study will provide new insights into the potential mechanisms of irbesartan in the treatment of DKD.
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Affiliation(s)
- Hailing Zhao
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Zhiguo Li
- The Hebei Key Lab for Organ Fibrosis, the Hebei Key Lab for Chronic Disease, School of Public Health, International Science and Technology Cooperation Base of Geriatric Medicine, North China University of Science and Technology, Tangshan063210, Hebei Province, China
| | - Meihua Yan
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Liang Ma
- Clinical Laboratory, China–Japan Friendship Hospital, Beijing10029, China
| | - Xi Dong
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Xin Li
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Haojun Zhang
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
| | - Ping Li
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China–Japan Friendship Hospital, Beijing100029, China
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Wu CC, Yang PL, Kao LT, Liu YC, Zheng CM, Chu P, Lu K, Chu CM, Chang YT. Sleep Duration and Kidney Function - Does Weekend Sleep Matter? Nat Sci Sleep 2024; 16:85-97. [PMID: 38333420 PMCID: PMC10850764 DOI: 10.2147/nss.s427687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 12/21/2023] [Indexed: 02/10/2024] Open
Abstract
Objective Weekend sleep duration is linked to health issues, including mortality. However, how weekend sleep duration can impact chronic kidney disease (CKD) still needs to be understood. Therefore, we aimed to analyze how weekend sleep duration is associated with kidney function. Methods This is a cross-sectional study. Data were obtained from the 2017-2018 National Health and Nutrition Examination Survey. We included 5362 study participants and categorized them into nine subgroups by sleep duration (short: ≤6 hours, normal: 6-9 hours, and long: ≥9 hours) on weekdays and weekends and analyzed for the respective association with renal function using stratified multivariable linear regression. Results Weekend sleep duration for 9 hours or more was associated with decreasing estimated glomerular filtration rate (eGFR) levels by 2.8 to 6.4 mL/min/1.73 m2 among people with long to short weekday sleep duration compared with short weekday and weekend sleep durations (control group) after adjusting for demographic characteristics, body measurement, sleep quality, smoking, and comorbidities. The study population with short weekday sleep duration (sWK) and long weekend sleep duration (lWD) had the most significant decline in eGFR. For the study population with sWK, eGFR level significantly decreased by 1.1 mL/min/1.73 m2 as sleep duration on weekends increased by one hour. Conclusion The underlying mediators of lWD and CKD could be the dysregulation of human behaviors, metabolism, or biological functions. Longer weekend sleep duration was linked to a decrease in eGFR levels. It warrants further study to clarify the mediators.
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Affiliation(s)
- Chia-Chao Wu
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- Department and Graduate Institute of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan
| | - Pei-Lin Yang
- School of Nursing, National Defense Medical Center, Taipei City, Taiwan
| | - Li-Ting Kao
- School of Pharmacy, National Defense Medical Center, Taipei, Taiwan
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
- Department of Pharmacy Practice, Tri-Service General Hospital, Taipei, Taiwan
| | - Yi-Chun Liu
- School of Public Health, National Defense Medical Center, Taipei City, Taiwan
- Institute of Medical Sciences, National Defense Medical Center, Taipei City, Taiwan
| | - Cai-Mei Zheng
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - Pauling Chu
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Kuo‐Cheng Lu
- Division of Nephrology, Fu-Jen Catholic Hospital, Fu-Jen Catholic University, Taipei, Taiwan
| | - Chi-Ming Chu
- School of Public Health, National Defense Medical Center, Taipei City, Taiwan
- Department of Surgery, Songshan Branch of Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- Division of Biostatistics and Informatics, Department of Epidemiology, School of Public Health, National Defense Medical Center, Taipei, Taiwan
- Department of Public Health, China Medical University, Taichung City, Taiwan
| | - Yu-Tien Chang
- School of Public Health, National Defense Medical Center, Taipei City, Taiwan
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Liu L, Lin L, Ke J, Chen B, Xia Y, Wang C. Higher Nocturnal Blood Pressure and Blunted Nocturnal Dipping Are Associated With Decreased Daytime Urinary Sodium and Potassium Excretion in Patients With CKD. Kidney Int Rep 2024; 9:73-86. [PMID: 38312777 PMCID: PMC10831351 DOI: 10.1016/j.ekir.2023.10.017] [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: 04/30/2023] [Revised: 08/26/2023] [Accepted: 10/16/2023] [Indexed: 02/06/2024] Open
Abstract
Introduction Sodium homeostasis is intimately associated with blood pressure (BP) rhythm, and potassium excretion is closely associated with sodium excretion in the general population. However, the association between circadian sodium and potassium pattern excretion and nocturnal BP in patients with chronic kidney disease (CKD) is not elucidated. Methods We evaluated the correlation between the day-to-night ratio of urinary sodium and potassium excretion rate, nocturnal blood pressure, and nocturnal BP dipping in a CKD cohort. Results A total of 3152 (56.76% males, mean age 47.63 years) individuals with CKD were included in the study. Patients in quartile 1 (with the lowest ratio) exhibited a 12 mmHg or 9 mmHg higher nocturnal systolic blood pressure (SBP) and blunted SBP dipping than those in quartile 4 when urinary sodium or potassium excretion rate was divided into day-to-night ratios (both P < 0.001). In multivariate analyses, lower day-to-night ratio of urinary sodium was independently linked to higher nocturnal SBP and blunted SBP dipping (linear regression coefficient (95% confidence interval [CI]): -6.89 (-9.48 to -4.31), and -3.64 (-5.48 to -1.80), respectively; both P < 0.001). Similarly, compared with the highest quartile of day-to-night ratio of urinary potassium excretion rate, linear regression coefficient (95% CI) for the lowest quartile was -5.60 (-8.13 to -3.07) for nocturnal SBP, and -2.47 (-4.28 to -0.67) for SBP dipping (both P < 0.001). Moreover, urine flow rate and concentrates of sodium or potassium in the urine were positively associated with urinary sodium or potassium excretion during daytime (P < 0.001). Conclusion A higher nocturnal BP and a blunted nocturnal BP dipping were both independently linked to a lower excretion of sodium or potassium during the day in patients with CKD. Furthermore, a decreased urine flow rate and a diminished capacity to concentrate sodium or potassium in the urine appear to be the key contributors to a low day-to-night ratio of urinary sodium excretion or potassium rate.
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Affiliation(s)
- Lingling Liu
- Department of Nephrology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, China
| | - Lin Lin
- Department of Nephrology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, China
| | - Jianting Ke
- Department of Nephrology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, China
| | - Binhuan Chen
- Department of Nephrology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, China
| | - Yu Xia
- Department of Nephrology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, China
| | - Cheng Wang
- Department of Nephrology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, China
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Liu Y, Hong X, Liu L, Li X, Huang S, Luo Q, Huang Q, Qiu J, Qiu P, Li C. Shen Qi Wan ameliorates nephritis in chronic kidney disease via AQP1 and DEFB1 regulation. Biomed Pharmacother 2024; 170:116027. [PMID: 38113630 DOI: 10.1016/j.biopha.2023.116027] [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: 10/06/2023] [Revised: 12/04/2023] [Accepted: 12/14/2023] [Indexed: 12/21/2023] Open
Abstract
Shen Qi Wan (SQW) has been proven to exert anti-inflammatory effects in the kidneys of CKD models accompanied by unclear therapeutic mechanisms. This study aims to evaluate the kidney-protective and anti-inflammatory effects of SQW and to elucidate its fundamental mechanisms for CKD treatment. Firstly, the main active components of SQW were identified by UPLC-Q-TOF/MS technique. Subsequently, we evaluated inflammatory factors, renal function and renal pathology changes following SQW treatment utilizing adenine-induced CKD mice and aquaporin 1 knockout (AQP1-/-) mice. Additionally, we conducted RNA-seq analysis and bioinformatics analysis to predict the SQW potential therapeutic targets and anti-nephritis pathways. Simultaneously, WGCNA analysis method and machine learning algorithms were used to perform a clinical prognostic analysis of potential biomarkers in CKD patients from the GEO database and validated through clinical samples. Lipopolysaccharide-induced HK-2 cells were further used to explore the mechanism. We found that renal collagen deposition was reduced, serum inflammatory cytokine levels decreased, and renal function was improved after SQW intervention. It can be inferred that β-defensin 1 (DEFB1) may be a pivotal target, as confirmed by serum and renal tissue samples from CKD patients. Furthermore, SQW assuages inflammatory responses by fostering AQP1-mediated DEFB1 expression was confirmed in in vitro and in vivo studies. Significantly, the renal-protective effect of SQW is to some extent attenuated after AQP1 gene knockout. SQW could reduce inflammatory responses by modulating AQP1 and DEFB1. These findings underscore the potential of SQW as a promising contender for novel prevention and treatment strategies within the ambit of CKD management.
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Affiliation(s)
- Yiming Liu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xiao Hong
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Liu Liu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xinyue Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Shuo Huang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Qihan Luo
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Qiaoyan Huang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Jiang Qiu
- Department of Medicine, Hangzhou Normal University, Hangzhou, China
| | - Ping Qiu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Changyu Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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6
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He G, Chen C, Mei S, Chen Z, Zhang R, Zhang T, Xu D, Zhu M, Luo X, Zeng C, Zhou B, Wang K, Zhu E, Cheng Z. Partially Alternative Feeding with Fermented Distillers' Grains Modulates Gastrointestinal Flora and Metabolic Profile in Guanling Cattle. Animals (Basel) 2023; 13:3437. [PMID: 38003055 PMCID: PMC10668747 DOI: 10.3390/ani13223437] [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: 09/19/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
Fermented distillers' grains (FDG) are commonly used to enhance the health and metabolic processes of livestock and poultry by regulating the composition and activity of the intestinal microbiota. Nevertheless, there is a scarcity of research on the effects of the FDG diet on the gastrointestinal microbiota and its metabolites in cattle. This study examines the impact of FDG dietary supplements on the gastrointestinal flora and metabolic profile of Guanling cattle. Eighteen cattle were randomly assigned to three treatment groups with six replicates per group. The treatments included a basal diet (BD), a 15% concentrate replaced by FDG (15% FDG) in the basal diet, and a 30% concentrate replaced by FDG (30% FDG) in the basal diet. Each group was fed for a duration of 60 days. At the conclusion of the experimental period, three cattle were randomly chosen from each group for slaughter and the microbial community structure and metabolic mapping of their abomasal and cecal contents were analyzed, utilizing 16S rDNA sequencing and LC-MS technology, respectively. At the phylum level, there was a significant increase in Bacteroidetes in both the abomasum and cecum for the 30%FDG group (p < 0.05). Additionally, there was a significant reduction in potential pathogenic bacteria such as Spirochetes and Proteobacteria for both the 15%FDG and 30%FDG groups (p < 0.05). At the genus level, there was a significant increase (p < 0.05) in Ruminococcaceae_UCG-010, Prevotellaceae_UCG-001, and Ruminococcaceae_UCG-005 fiber degradation bacteria. Non-target metabolomics analysis indicated that the FDG diet significantly impacted primary bile acid biosynthesis, bile secretion, choline metabolism in cancer, and other metabolic pathways (p < 0.05). There is a noteworthy correlation between the diverse bacterial genera and metabolites found in the abomasal and cecal contents of Guanling cattle, as demonstrated by correlation analysis. In conclusion, our findings suggest that partially substituting FDG for conventional feed leads to beneficial effects on both the structure of the gastrointestinal microbial community and the metabolism of its contents in Guanling cattle. These findings offer a scientific point of reference for the further use of FDG as a cattle feed resource.
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Affiliation(s)
- Guangxia He
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Chao Chen
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
| | - Shihui Mei
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Ze Chen
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Rong Zhang
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Tiantian Zhang
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Duhan Xu
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
| | - Mingming Zhu
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
| | - Xiaofen Luo
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Chengrong Zeng
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Bijun Zhou
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Kaigong Wang
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Erpeng Zhu
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
| | - Zhentao Cheng
- College of Animal Science, Guizhou University, Guiyang 550025, China; (G.H.); (C.C.); (S.M.); (Z.C.); (R.Z.); (T.Z.); (D.X.); (M.Z.); (X.L.); (C.Z.); (B.Z.); (K.W.)
- Guizhou Provincial Animal Disease Research Laboratory, Guiyang 550025, China
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Rey-Serra C, Tituaña J, Lin T, Herrero JI, Miguel V, Barbas C, Meseguer A, Ramos R, Chaix A, Panda S, Lamas S. Reciprocal regulation between the molecular clock and kidney injury. Life Sci Alliance 2023; 6:e202201886. [PMID: 37487638 PMCID: PMC10366531 DOI: 10.26508/lsa.202201886] [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: 12/22/2022] [Revised: 07/02/2023] [Accepted: 07/03/2023] [Indexed: 07/26/2023] Open
Abstract
Tubulointerstitial fibrosis is the common pathological substrate for many etiologies leading to chronic kidney disease. Although perturbations in the circadian rhythm have been associated with renal disease, the role of the molecular clock in the pathogenesis of fibrosis remains incompletely understood. We investigated the relationship between the molecular clock and renal damage in experimental models of injury and fibrosis (unilateral ureteral obstruction, folic acid, and adenine nephrotoxicity), using genetically modified mice with selective deficiencies of the clock components Bmal1, Clock, and Cry We found that the molecular clock pathway was enriched in damaged tubular epithelial cells with marked metabolic alterations. In human tubular epithelial cells, TGFβ significantly altered the expression of clock components. Although Clock played a role in the macrophage-mediated inflammatory response, the combined absence of Cry1 and Cry2 was critical for the recruitment of neutrophils, correlating with a worsening of fibrosis and with a major shift in the expression of metabolism-related genes. These results support that renal damage disrupts the kidney peripheral molecular clock, which in turn promotes metabolic derangement linked to inflammatory and fibrotic responses.
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Affiliation(s)
- Carlos Rey-Serra
- Program of Physiological and Pathological Processes, Centro de Biología Molecular Severo Ochoa (CSIC-UAM), Madrid, Spain
| | - Jessica Tituaña
- Program of Physiological and Pathological Processes, Centro de Biología Molecular Severo Ochoa (CSIC-UAM), Madrid, Spain
| | - Terry Lin
- Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - J Ignacio Herrero
- Program of Physiological and Pathological Processes, Centro de Biología Molecular Severo Ochoa (CSIC-UAM), Madrid, Spain
| | - Verónica Miguel
- Program of Physiological and Pathological Processes, Centro de Biología Molecular Severo Ochoa (CSIC-UAM), Madrid, Spain
| | - Coral Barbas
- Centre for Metabolomics and Bioanalysis (CEMBIO), Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | - Anna Meseguer
- Renal Physiopathology Group, Vall d'Hebron Research Institute (VHIR)-CIBBIM Nanomedicine, Barcelona, Spain
| | - Ricardo Ramos
- Genomic Facility, Fundación Parque Científico de Madrid, Madrid, Spain
| | - Amandine Chaix
- Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Satchidananda Panda
- Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Santiago Lamas
- Program of Physiological and Pathological Processes, Centro de Biología Molecular Severo Ochoa (CSIC-UAM), Madrid, Spain
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Jerigova V, Zeman M, Okuliarova M. Chronodisruption of the acute inflammatory response by night lighting in rats. Sci Rep 2023; 13:14109. [PMID: 37644084 PMCID: PMC10465576 DOI: 10.1038/s41598-023-41266-3] [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: 06/29/2023] [Accepted: 08/24/2023] [Indexed: 08/31/2023] Open
Abstract
Daily oscillations are present in many aspects of the immune system, including responsiveness to infections, allowing temporal alignment of defence mechanisms with the external environment. Our study addresses whether compromised circadian timing function by dim artificial light at night (ALAN) impacts the time dependency of the acute inflammatory response in a rat model of lipopolysaccharide (LPS)-induced inflammation. After 2 weeks of exposure to low-intensity ALAN (~2 lx) or a standard light/dark cycle, male rats were challenged with LPS during either the day or the night. Dim ALAN attenuated the anorectic response when rats were stimulated during their early light phase. Next, ALAN suppressed daily variability in inflammatory changes in blood leukocyte numbers and increased the daytime sensitivity of neutrophils to the priming effects of LPS on oxidative burst. An altered renal inflammatory response in ALAN-exposed rats was manifested by stimulated T-cell infiltration into the kidney upon night-time LPS injection and the modified rhythmic response of genes involved in inflammatory pathways. Moreover, ALAN disturbed steady-state oscillations of the renal molecular clock and eliminated the inflammatory responsiveness of Rev-erbα. Altogether, dim ALAN impaired time-of-day-dependent sensitivity of inflammatory processes, pointing out a causal mechanism between light pollution and negative health effects.
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Affiliation(s)
- Viera Jerigova
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15, Bratislava, Slovakia
| | - Michal Zeman
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15, Bratislava, Slovakia
| | - Monika Okuliarova
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15, Bratislava, Slovakia.
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9
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Xiong X, Gao L, Chen C, Zhu K, Luo P, Li L. The microplastics exposure induce the kidney injury in mice revealed by RNA-seq. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 256:114821. [PMID: 36989554 DOI: 10.1016/j.ecoenv.2023.114821] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Microplastics (MPs) may pollute drinking water, accumulate in the food chain, and release toxic chemicals that may cause a variety of diseases. The detrimental effects of MPs on kidney injury and fibrosis under long-term accumulation have not been fully documented. In this study, mice were exposed to MPs with three different diameters (80 nm, 0.5 µm, and 5 µm) to investigate the detrimental influences of MPs on the kidney. The results showed that MPs of different diameters caused varying degrees of injury to the murine kidney. MPs exposure can induce an inflammatory response, oxidative stress, and cell apoptosis in the kidney and induce kidney injury, which ultimately promotes kidney fibrosis. Furthermore, transcriptome data revealed that chronic exposure to MPs could alter the expressions of multiple genes related to immune response (80 nm) and circadian rhythm (0.5 µm, and 5 µm). Overall, our data provide new evidence and potential research for investigating the harm of MPs to kidney of mammals and even humans.
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Affiliation(s)
- Xi Xiong
- Department of Urology, Wuhan Third Hospital, Medical School of Wuhan University of Science and Technology, Wuhan 430060, China
| | - Likun Gao
- Department of Pathology, Shenzhen People's Hospital, the Second Clinical Medical College of Jinan University, Shenzhen 518020, China
| | - Chen Chen
- Department of Urology, Wuhan Third Hospital, Medical School of Wuhan University of Science and Technology, Wuhan 430060, China
| | - Kai Zhu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Pengcheng Luo
- Department of Urology, Wuhan Third Hospital, Medical School of Wuhan University of Science and Technology, Wuhan 430060, China.
| | - Lili Li
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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10
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Cho SS, Chung BH, Lee HE, Kang MY. Association between social jetlag and chronic kidney disease among the Korean working population. Sci Rep 2023; 13:5998. [PMID: 37045895 PMCID: PMC10097717 DOI: 10.1038/s41598-023-33130-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 04/07/2023] [Indexed: 04/14/2023] Open
Abstract
Social jetlag refers to the discrepancy between social time and the body's internal rhythm, which can lead to unfavorable health outcomes. However, no study has directly explored the relation between social jetlag and chronic kidney disease (CKD). This study aims to investigate the relationship between social jetlag and CKD in a representative population of South Korea. This study included 8259 currently economically active Korean population in the Korea National Health and Nutrition Examination Survey. Social jetlag was calculated as the difference between the midpoint of sleep time on weekdays and free days. The estimated glomerular filtration rate (eGFR) was calculated the by using the serum creatinine value according to the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. Participants with an eGFR less than 60 ml/min/1.73 m2 were defined as CKD cases. The estimated glomerular filtration rate decreased as social jetlag increased. Multiple logistic regression analysis showed that the adjusted odds ratio (95% confidence interval) of CKD for 1-2 h of social jetlag was 0.926 (0.660-1.299), while the odds ratio for more than 2 h was 2.042 (1.328-3.139) when less than 1 h was used as reference. This study found that social jetlag and risk of CKD were significantly related in the Korean working population.
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Affiliation(s)
- Seong-Sik Cho
- Department of Occupational and Environmental Medicine, College of Medicine, Dong-A University, Busan, Republic of Korea
| | - Byung Ha Chung
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hye-Eun Lee
- Department of Social and Preventive Medicine, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Mo-Yeol Kang
- Department of Occupational and Environmental Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
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11
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Sharma RK, Kamble SH, Krishnan S, Gomes J, To B, Li S, Liu IC, Gumz ML, Mohandas R. Involvement of lysyl oxidase in the pathogenesis of arterial stiffness in chronic kidney disease. Am J Physiol Renal Physiol 2023; 324:F364-F373. [PMID: 36825626 PMCID: PMC10069822 DOI: 10.1152/ajprenal.00239.2022] [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: 09/07/2022] [Revised: 02/01/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Patients with chronic kidney disease (CKD) are at increased risk for adverse cardiovascular events. CKD is associated with increases in arterial stiffness, whereas improvements in arterial stiffness correlate with better survival. However, arterial stiffness is increased early in CKD, suggesting that there might be additional factors, unique to kidney disease, that increase arterial stiffness. Lysyl oxidase (LOX) is a key mediator of collagen cross linking and matrix remodeling. LOX is predominantly expressed in the cardiovascular system, and its upregulation has been associated with increased tissue stiffening and extracellular matrix remodeling. Thus, this study was designed to evaluate the role of increased LOX activity in inducing aortic stiffness in CKD and whether β-aminopropionitrile (BAPN), a LOX inhibitor, could prevent aortic stiffness by reducing collagen cross linking. Eight-week-old male C57BL/6 mice were subjected to 5/6 nephrectomy (Nx) or sham surgery. Two weeks after surgery, mice were randomized to BAPN (300 mg/kg/day in water) or vehicle treatment for 4 wk. Aortic stiffness was assessed by pulse wave velocity (PWV) using Doppler ultrasound. Aortic levels of LOX were assessed by ELISA, and cross-linked total collagen levels were analyzed by mass spectrometry and Sircol assay. Nx mice showed increased PWV and aortic wall remodeling compared with control mice. Collagen cross linking was increased in parallel with the increases in total collagen in the aorta of Nx mice. In contrast, Nx mice that received BAPN treatment showed decreased cross-linked collagens and PWV compared with that received vehicle treatment. Our results indicated that LOX might be an early and key mediator of aortic stiffness in CKD.NEW & NOTEWORTHY Arterial stiffness in CKD is associated with adverse cardiovascular outcomes. However, the mechanisms underlying increased aortic stiffness in CKD are unclear. Herein, we demonstrated that 1) increased aortic stiffness in CKD is independent of hypertension and calcification and 2) LOX-mediated changes in extracellular matrix are at least in part responsible for increased aortic stiffness in CKD. Prevention of excess LOX may have therapeutic potential in alleviating increased aortic stiffness and improving cardiovascular disease in CKD.
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Affiliation(s)
- Ravindra K Sharma
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Shyam H Kamble
- Department of Pharmacology, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Suraj Krishnan
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Joshua Gomes
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Brandon To
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Shiyu Li
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - I-Chia Liu
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Michelle L Gumz
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
- Department of Physiology and Aging, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Rajesh Mohandas
- Division of Nephrology and Hypertension, Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana, United States
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12
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Imamura M, Sasaki H, Hayashi K, Shibata S. Mid-Point of the Active Phase Is Better to Achieve the Natriuretic Effect of Acute Salt Load in Mice. Nutrients 2023; 15:nu15071679. [PMID: 37049519 PMCID: PMC10096866 DOI: 10.3390/nu15071679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Excess sodium intake and insufficient potassium intake are a prominent global issue because of their influence on high blood pressure. Supplementation of potassium induces kaliuresis and natriuresis, which partially explains its antihypertensive effect. Balancing of minerals takes place in the kidney and is controlled by the circadian clock; in fact, various renal functions exhibit circadian rhythms. In our previous research, higher intake of potassium at lunch time was negatively associated with blood pressure, suggesting the importance of timing for sodium and potassium intake. However, the effects of intake timing on urinary excretion remain unclear. In this study, we investigated the effect of 24 h urinary sodium and potassium excretion after acute sodium and potassium load with different timings in mice. Compared to other timings, the middle of the active phase resulted in higher urinary sodium and potassium excretion. In Clock mutant mice, in which the circadian clock is genetically disrupted, urinary excretion differences from intake timings were not observed. Restricted feeding during the inactive phase reversed the excretion timing difference, suggesting that a feeding-induced signal may cause this timing difference. Our results indicate that salt intake timing is important for urinary sodium and potassium excretion and provide new perspectives regarding hypertension prevention.
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13
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Yan J, Wang J, Chen J, Shi H, Liao X, Pan C, Liu Y, Yang X, Ren Z, Yang X. Adjusting phosphate feeding regimen according to daily rhythm increases eggshell quality via enhancing medullary bone remodeling in laying hens. J Anim Sci Biotechnol 2023; 14:17. [PMID: 36894995 PMCID: PMC9999492 DOI: 10.1186/s40104-023-00829-0] [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: 08/11/2022] [Accepted: 01/03/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Body phosphorus metabolism exhibits a circadian rhythm over the 24-h daily cycle. The egg laying behavior makes laying hens a very special model for investigating phosphorus circadian rhythms. There is lack of information about the impact of adjusting phosphate feeding regimen according to daily rhythm on the phosphorus homeostasis and bone remodeling of laying hens. METHODS AND RESULTS Two experiments were conducted. In Exp. 1, Hy-Line Brown laying hens (n = 45) were sampled according the oviposition cycle (at 0, 6, 12, and 18 h post-oviposition, and at the next oviposition, respectively; n = 9 at each time point). Diurnal rhythms of body calcium/phosphorus ingestions and excretions, serum calcium/phosphorus levels, oviduct uterus calcium transporter expressions, and medullary bone (MB) remodeling were illustrated. In Exp. 2, two diets with different phosphorus levels (0.32% and 0.14% non-phytate phosphorus (NPP), respectively) were alternately presented to the laying hens. Briefly, four phosphorus feeding regimens in total (each included 6 replicates of 5 hens): (1) fed 0.32% NPP at both 09:00 and 17:00; (2) fed 0.32% NPP at 09:00 and 0.14% NPP at 17:00; (3) fed 0.14% NPP at 09:00 and 0.32% NPP at 17:00; (4) fed 0.14% NPP at both 09:00 and 17:00. As a result, the regimen fed 0.14% NPP at 09:00 and 0.32% NPP at 17:00, which was designed to strengthen intrinsic phosphate circadian rhythms according to the findings in Exp. 1, enhanced (P < 0.05) MB remodeling (indicated by histological images, serum markers and bone mineralization gene expressions), elevated (P < 0.05) oviduct uterus calcium transportation (indicated by transient receptor potential vanilloid 6 protein expression), and subsequently increased (P < 0.05) eggshell thickness, eggshell strength, egg specific gravity and eggshell index in laying hens. CONCLUSIONS These results underscore the importance of manipulating the sequence of daily phosphorus ingestion, instead of simply controlling dietary phosphate concentrations, in modifying the bone remodeling process. Body phosphorus rhythms will need to be maintained during the daily eggshell calcification cycle.
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Affiliation(s)
- Jiakun Yan
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jiajie Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jie Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hao Shi
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xujie Liao
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Chong Pan
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yanli Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xin Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Zhouzheng Ren
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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14
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Molecular mechanisms of kidney crosstalk with distant organs. Nat Rev Nephrol 2023; 19:75-76. [PMID: 36434161 DOI: 10.1038/s41581-022-00655-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Fang Y, Jo SK, Park SJ, Yang J, Ko YS, Lee HY, Oh SW, Cho WY, Kim K, Son GH, Kim MG. Role of the Circadian Clock and Effect of Time-Restricted Feeding in Adenine-Induced Chronic Kidney Disease. J Transl Med 2023; 103:100008. [PMID: 36748191 DOI: 10.1016/j.labinv.2022.100008] [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: 03/18/2022] [Revised: 08/02/2022] [Accepted: 08/11/2022] [Indexed: 01/19/2023] Open
Abstract
Most physiological functions exhibit circadian rhythmicity that is partly regulated by the molecular circadian clock. Herein, we investigated the relationship between the circadian clock and chronic kidney disease (CKD). The role of the clock gene in adenine-induced CKD and the mechanisms of interaction were investigated in mice in which Bmal1, the master regulator of the clock gene, was knocked out, and Bmal1 knockout (KO) tubule cells. We also determined whether the renoprotective effect of time-restricted feeding (TRF), a dietary strategy to enhance circadian rhythm, is clock gene-dependent. The mice with CKD showed altered expression of the core clock genes with a loss of diurnal variations in renal functions and key tubular transporter gene expression. Bmal1 KO mice developed more severe fibrosis, and transcriptome profiling followed by gene ontology analysis suggested that genes associated with the cell cycle, inflammation, and fatty acid oxidation pathways were significantly affected in the mutant mice. Tubule-specific deletion of BMAL1 in HK-2 cells by CRISPR/Cas9 led to upregulation of p21 and tumor necrosis α and exacerbated epithelial-mesenchymal transition-related gene expression upon transforming growth factor β stimulation. Finally, TRF in the mice with CKD partially restored the disrupted oscillation of the kidney clock genes, accompanied by improved cell cycle arrest and inflammation, leading to decreased fibrosis. However, the renoprotective effect of TRF was abolished in Bmal1 KO mice, suggesting that TRF is partially dependent on the clock gene. Our data demonstrate that the molecular clock system plays an important role in CKD via cell cycle regulation and inflammation. Understanding the role of the circadian clock in kidney diseases can be a new research field for developing novel therapeutic targets.
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Affiliation(s)
- Yina Fang
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sang-Kyung Jo
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Soo-Ji Park
- Department of Physiology, Korea University College of Medicine, Seoul, Republic of Korea; Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea
| | - Jihyun Yang
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Yoon Sook Ko
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hee Young Lee
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Se Won Oh
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Won Yong Cho
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Kyoungmi Kim
- Department of Physiology, Korea University College of Medicine, Seoul, Republic of Korea; Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea.
| | - Gi Hoon Son
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea.
| | - Myung-Gyu Kim
- Division of Nephrology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea.
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16
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Oba R, Kanzaki G, Haruhara K, Sasaki T, Okabayashi Y, Koike K, Tsuboi N, Yokoo T. Non-dipping pulse rate and chronic changes of the kidney in patients with chronic kidney disease. Front Cardiovasc Med 2023; 10:911773. [PMID: 36891248 PMCID: PMC9986326 DOI: 10.3389/fcvm.2023.911773] [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: 04/03/2022] [Accepted: 01/30/2023] [Indexed: 02/22/2023] Open
Abstract
Introduction An insufficient decrease in nocturnal pulse rate (PR), non-dipping PR, reflects autonomic imbalance and is associated with cardiovascular events and all-cause mortality. We aimed to investigate the clinical and microanatomical structural findings associated with the non-dipping PR status in patients with chronic kidney disease (CKD). Methods This cross-sectional study included 135 patients who underwent ambulatory blood pressure monitoring and kidney biopsy concurrently at our institution between 2016 and 2019. Non-dipping PR status was defined as (daytime PR-nighttime PR)/daytime PR <0.1. We compared clinical parameters and microstructural changes in the kidney between patients with and without non-dipping PR, including 24 h proteinuria, glomerular volume, and Mayo Clinic/Renal Pathology Society Chronicity Score. Results The median age was 51 years (interquartile range: 35-63), 54% of which were male, and the median estimated glomerular filtration rate was 53.0 (30.0-75.0) mL/min/1.73 m2. Non-dipping PR status was observed in 39 patients. Patients with non-dipping PR were older and had worse kidney function, higher blood pressure, greater prevalence of dyslipidemia, lower hemoglobin levels, and a larger amount of urinary protein excretion than patients with dipping PR. Patients with non-dipping PR had more severe glomerulosclerosis, interstitial fibrosis, tubular atrophy, and arteriosclerosis. In the multivariable analysis, the severe chronic changes of the kidney were associated with non-dipping PR status after adjusting for age, sex, and other clinical parameters (odds ratio = 20.8; 95% confidence interval, 2.82-153; P = 0.003). Conclusion This study is the first to indicate that non-dipping PR is significantly associated with chronic microanatomical changes in the kidneys of patients with CKD.
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Affiliation(s)
- Rina Oba
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Go Kanzaki
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Kotaro Haruhara
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Takaya Sasaki
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Yusuke Okabayashi
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Kentaro Koike
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Nobuo Tsuboi
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Takashi Yokoo
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
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Liu C, Li S, Ji S, Zhang J, Zheng F, Guan Y, Yang G, Chen L. Proximal tubular Bmal1 protects against chronic kidney injury and renal fibrosis by maintaining of cellular metabolic homeostasis. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166572. [PMID: 36252941 DOI: 10.1016/j.bbadis.2022.166572] [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: 06/09/2022] [Revised: 09/20/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022]
Abstract
Recent studies suggest that deletion of the core clock gene Bmal1 in the kidney has a significant influence on renal physiological functions. However, the role of renal Bmal1 in chronic kidney disease (CKD) remains poorly understood. Here by generating mice lacking Bmal1 in proximal tubule (Bmal1flox/flox-KAP-Cre+, ptKO) and inducing CKD with the adenine diet model, we found that lack of Bmal1 in proximal tubule did not alter renal water and electrolyte homeostasis. However, adenine-induced renal injury indexes, including blood urea nitrogen, serum creatinine, and proteinuria, were markedly augmented in the ptKO mice. The ptKO kidneys also developed aggravated tubulointerstitial fibrosis and epithelial-mesenchymal transformation. Mechanistically, RNAseq analysis revealed significant downregulation of the expression of genes related to energy and substance metabolism, in particular fatty acid oxidation and glutathione/homocysteine metabolism, in the ptKO kidneys. Consistently, the renal contents of ATP and glutathione were markedly reduced in the ptKO mice, suggesting the disruption of cellular metabolic homeostasis. Moreover, we demonstrated that Bmal1 can activate the transcription of cystathionine β-synthase (CBS), a key enzyme for homocysteine metabolism and glutathione biosynthesis, through direct recruitment to the E-box motifs of its promoter. Supporting the in vivo findings, knockdown of Bmal1 in cultured proximal tubular cells inhibited CBS expression and amplified albumin-induced cell injury and fibrogenesis, while glutathione supplementation remarkably reversed these changes. Taken together, we concluded that deletion of Bmal1 in proximal tubule may aggravate chronic kidney injury and exacerbate renal fibrosis, the mechanism is related to suppressing CBS transcription and disturbing glutathione related metabolic homeostasis. These findings suggest a protective role of Bmal1 in chronic tubular injury and offer a novel target for treating CKD.
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Affiliation(s)
- Chengcheng Liu
- Health Science Center, East China Normal University, Shanghai 200241, China; Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
| | - Shuyao Li
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
| | - Shuang Ji
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
| | - Jiayang Zhang
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
| | - Feng Zheng
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
| | - Youfei Guan
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China
| | - Guangrui Yang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Lihong Chen
- Health Science Center, East China Normal University, Shanghai 200241, China; Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China.
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18
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Raza GS, Sodum N, Kaya Y, Herzig KH. Role of Circadian Transcription Factor Rev-Erb in Metabolism and Tissue Fibrosis. Int J Mol Sci 2022; 23:12954. [PMID: 36361737 PMCID: PMC9655416 DOI: 10.3390/ijms232112954] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/21/2022] [Accepted: 10/22/2022] [Indexed: 09/12/2023] Open
Abstract
Circadian rhythms significantly affect metabolism, and their disruption leads to cardiometabolic diseases and fibrosis. The clock repressor Rev-Erb is mainly expressed in the liver, heart, lung, adipose tissue, skeletal muscles, and brain, recognized as a master regulator of metabolism, mitochondrial biogenesis, inflammatory response, and fibrosis. Fibrosis is the response of the body to injuries and chronic inflammation with the accumulation of extracellular matrix in tissues. Activation of myofibroblasts is a key factor in the development of organ fibrosis, initiated by hormones, growth factors, inflammatory cytokines, and mechanical stress. This review summarizes the importance of Rev-Erb in ECM remodeling and tissue fibrosis. In the heart, Rev-Erb activation has been shown to alleviate hypertrophy and increase exercise capacity. In the lung, Rev-Erb agonist reduced pulmonary fibrosis by suppressing fibroblast differentiation. In the liver, Rev-Erb inhibited inflammation and fibrosis by diminishing NF-κB activity. In adipose tissue, Rev- Erb agonists reduced fat mass. In summary, the results of multiple studies in preclinical models demonstrate that Rev-Erb is an attractive target for positively influencing dysregulated metabolism, inflammation, and fibrosis, but more specific tools and studies would be needed to increase the information base for the therapeutic potential of these substances interfering with the molecular clock.
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Affiliation(s)
- Ghulam Shere Raza
- Research Unit of Biomedicine, Medical Research Center, Faculty of Medicine, University of Oulu, 90220 Oulu, Finland
| | - Nalini Sodum
- Research Unit of Biomedicine, Medical Research Center, Faculty of Medicine, University of Oulu, 90220 Oulu, Finland
| | - Yagmur Kaya
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Marmara University, 34854 Istanbul, Turkey
| | - Karl-Heinz Herzig
- Research Unit of Biomedicine, Medical Research Center, Faculty of Medicine, University of Oulu, 90220 Oulu, Finland
- Oulu University Hospital, University of Oulu, 90220 Oulu, Finland
- Pediatric Gastroenterology and Metabolic Diseases, Pediatric Institute, Poznan University of Medical Sciences, 60-572 Poznań, Poland
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19
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Costello HM, Johnston JG, Juffre A, Crislip GR, Gumz ML. Circadian clocks of the kidney: function, mechanism, and regulation. Physiol Rev 2022; 102:1669-1701. [PMID: 35575250 PMCID: PMC9273266 DOI: 10.1152/physrev.00045.2021] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 05/03/2022] [Accepted: 05/07/2022] [Indexed: 11/22/2022] Open
Abstract
An intrinsic cellular circadian clock is located in nearly every cell of the body. The peripheral circadian clocks within the cells of the kidney contribute to the regulation of a variety of renal processes. In this review, we summarize what is currently known regarding the function, mechanism, and regulation of kidney clocks. Additionally, the effect of extrarenal physiological processes, such as endocrine and neuronal signals, on kidney function is also reviewed. Circadian rhythms in renal function are an integral part of kidney physiology, underscoring the importance of considering time of day as a key biological variable. The field of circadian renal physiology is of tremendous relevance, but with limited physiological and mechanistic information on the kidney clocks this is an area in need of extensive investigation.
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Affiliation(s)
- Hannah M Costello
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, Florida
- Division of Nephrology, Hypertension, and Renal Transplantation, Department of Medicine, University of Florida, Gainesville, Florida
| | - Jermaine G Johnston
- Division of Nephrology, Hypertension, and Renal Transplantation, Department of Medicine, University of Florida, Gainesville, Florida
- North Florida/South Georgia Malcom Randall Department of Veterans Affairs Medical Center, Gainesville, Florida
| | - Alexandria Juffre
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, Florida
- Division of Nephrology, Hypertension, and Renal Transplantation, Department of Medicine, University of Florida, Gainesville, Florida
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, Florida
| | - G Ryan Crislip
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, Florida
- Division of Nephrology, Hypertension, and Renal Transplantation, Department of Medicine, University of Florida, Gainesville, Florida
| | - Michelle L Gumz
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, Florida
- Division of Nephrology, Hypertension, and Renal Transplantation, Department of Medicine, University of Florida, Gainesville, Florida
- North Florida/South Georgia Malcom Randall Department of Veterans Affairs Medical Center, Gainesville, Florida
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, Florida
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, Florida
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20
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Fang Y, Son S, Yang J, Oh S, Jo SK, Cho W, Kim MG. Perturbation of Circadian Rhythm Is Associated with Increased Prevalence of Chronic Kidney Disease: Results of the Korean Nationwide Population-Based Survey. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095732. [PMID: 35565131 PMCID: PMC9102791 DOI: 10.3390/ijerph19095732] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 02/01/2023]
Abstract
Disturbances in circadian rhythms cause several health problems, such as psychosis, metabolic syndrome, and cancer; however, their effect on kidney disease remains unclear. This study aimed to evaluate the association between chronic kidney disease (CKD) and sleep disturbance in a Korean adult population. A total of 17,408 participants who completed the National Health and Nutrition Examination Survey from 2016 to 2018 were assessed for their sleep patterns and renal function. CKD was defined as an estimated glomerular filtration rate ≤ 60 mL/min/1.73 m² or a positive dipstick urinalysis. Sleep onset time and sleep duration showed significant differences between the control and CKD groups (p < 0.001). After adjusting for the covariates, sleep onset time rather than sleep duration was independently associated with incidence of CKD, and this association was more significant in people who were older, in women, and in those with low body mass index and no comorbidities. When comparing the prevalence of newly diagnosed CKD according to sleep onset time in a population with no CKD risk factors or no history of CKD, the early bedtime group showed an independent association with incidence of new CKD (odds ratio (OR), 1.535; 95% confidence interval (CI), 1.011−2.330) even after adjusting for covariates. Impaired circadian rhythm along with sleep disturbance could be associated with CKD development; therefore, sleep disturbance might be an important therapeutic target for CKD.
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Affiliation(s)
- Yina Fang
- Department of Internal Medicine, Korea University Anam Hospital, Seoul 02841, Korea; (Y.F.); (J.Y.); (S.O.); (S.-K.J.); (W.C.)
| | - Serhim Son
- Department of Biostatistics, Korea University College of Medicine, Seoul 02842, Korea;
| | - Jihyun Yang
- Department of Internal Medicine, Korea University Anam Hospital, Seoul 02841, Korea; (Y.F.); (J.Y.); (S.O.); (S.-K.J.); (W.C.)
| | - Sewon Oh
- Department of Internal Medicine, Korea University Anam Hospital, Seoul 02841, Korea; (Y.F.); (J.Y.); (S.O.); (S.-K.J.); (W.C.)
| | - Sang-Kyung Jo
- Department of Internal Medicine, Korea University Anam Hospital, Seoul 02841, Korea; (Y.F.); (J.Y.); (S.O.); (S.-K.J.); (W.C.)
| | - Wonyong Cho
- Department of Internal Medicine, Korea University Anam Hospital, Seoul 02841, Korea; (Y.F.); (J.Y.); (S.O.); (S.-K.J.); (W.C.)
| | - Myung-Gyu Kim
- Department of Internal Medicine, Korea University Anam Hospital, Seoul 02841, Korea; (Y.F.); (J.Y.); (S.O.); (S.-K.J.); (W.C.)
- Correspondence:
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21
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Fukumoto K, Ito K, Saer B, Taylor G, Ye S, Yamano M, Toriba Y, Hayes A, Okamura H, Fustin JM. Excess S-adenosylmethionine inhibits methylation via catabolism to adenine. Commun Biol 2022; 5:313. [PMID: 35383287 PMCID: PMC8983724 DOI: 10.1038/s42003-022-03280-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 03/09/2022] [Indexed: 11/23/2022] Open
Abstract
The global dietary supplement market is valued at over USD 100 billion. One popular dietary supplement, S-adenosylmethionine, is marketed to improve joints, liver health and emotional well-being in the US since 1999, and has been a prescription drug in Europe to treat depression and arthritis since 1975, but recent studies questioned its efficacy. In our body, S-adenosylmethionine is critical for the methylation of nucleic acids, proteins and many other targets. The marketing of SAM implies that more S-adenosylmethionine is better since it would stimulate methylations and improve health. Previously, we have shown that methylation reactions regulate biological rhythms in many organisms. Here, using biological rhythms to assess the effects of exogenous S-adenosylmethionine, we reveal that excess S-adenosylmethionine disrupts rhythms and, rather than promoting methylation, is catabolized to adenine and methylthioadenosine, toxic methylation inhibitors. These findings further our understanding of methyl metabolism and question the safety of S-adenosylmethionine as a supplement. S-adenosylmethionine (SAM) is a widely available dietary supplement. Exogenous SAM is catabolized to adenine, an inhibitor of adenosylhomocysteinase, leading to widespread methylation inhibition and disruption of circadian rhythms in vitro and in mice.
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Affiliation(s)
- Kazuki Fukumoto
- Kyoto University, Graduate School of Pharmaceutical Sciences, Department of Molecular Metabology, Kyoto, Japan.,Kokando Pharmaceutical Co., Ltd, Tokyo, Japan
| | - Kakeru Ito
- Kyoto University, Graduate School of Pharmaceutical Sciences, Department of Molecular Metabology, Kyoto, Japan
| | - Benjamin Saer
- The University of Manchester, Centre for Biological Timing, Manchester, UK
| | - George Taylor
- The University of Manchester, BioMS Core Facility, Manchester, UK
| | - Shiqi Ye
- Kyoto University, Graduate School of Pharmaceutical Sciences, Department of Molecular Metabology, Kyoto, Japan.,Cancer Epigenetics Laboratory, Francis Crick Institute, Cambridge, UK
| | - Mayu Yamano
- Kyoto University, Graduate School of Pharmaceutical Sciences, Department of Molecular Metabology, Kyoto, Japan
| | - Yuki Toriba
- Kyoto University, Graduate School of Pharmaceutical Sciences, Department of Molecular Metabology, Kyoto, Japan.,Master's Programme in Molecular Biology, Faculty of Science and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium
| | - Andrew Hayes
- The University of Manchester, Genomics Technologies Core Facility, Manchester, UK
| | - Hitoshi Okamura
- Kyoto University, Graduate School of Medicine, Division of Physiology and Neurobiology, Kyoto, Japan.
| | - Jean-Michel Fustin
- Kyoto University, Graduate School of Pharmaceutical Sciences, Department of Molecular Metabology, Kyoto, Japan. .,The University of Manchester, Centre for Biological Timing, Manchester, UK.
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22
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Abstract
The reality of life in modern times is that our internal circadian rhythms are often out of alignment with the light/dark cycle of the external environment. This is known as circadian disruption, and a wealth of epidemiological evidence shows that it is associated with an increased risk for cardiovascular disease. Cardiovascular disease remains the top cause of death in the United States, and kidney disease in particular is a tremendous public health burden that contributes to cardiovascular deaths. There is an urgent need for new treatments for kidney disease; circadian rhythm-based therapies may be of potential benefit. The goal of this Review is to summarize the existing data that demonstrate a connection between circadian rhythm disruption and renal impairment in humans. Specifically, we will focus on chronic kidney disease, lupus nephritis, hypertension, and aging. Importantly, the relationship between circadian dysfunction and pathophysiology is thought to be bidirectional. Here we discuss the gaps in our knowledge of the mechanisms underlying circadian dysfunction in diseases of the kidney. Finally, we provide a brief overview of potential circadian rhythm-based interventions that could provide benefit in renal disease.
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Affiliation(s)
- Rajesh Mohandas
- Department of Medicine, Division of Nephrology.,Center for Integrative Cardiovascular and Metabolic Diseases
| | | | - Yogesh Scindia
- Department of Medicine, Division of Nephrology.,Department of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine.,Department of Pathology, and
| | - Michelle L Gumz
- Department of Medicine, Division of Nephrology.,Center for Integrative Cardiovascular and Metabolic Diseases.,Department of Biochemistry and Molecular Biology.,Department of Physiology and Functional Genomics, University of Florida, Gainesville, Florida, USA
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23
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Hirano K, Komatsu Y, Shimbo T, Nakata H, Kobayashi D. OUP accepted manuscript. Clin Kidney J 2022; 15:1763-1769. [PMID: 36003661 PMCID: PMC9394714 DOI: 10.1093/ckj/sfac107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Indexed: 11/16/2022] Open
Abstract
Background Evidence linking chronic kidney disease (CKD) and sleep duration is inconsistent. This study examined whether sleep duration is associated with a long-term risk of kidney function decline. Methods This retrospective, longitudinal cohort study included 82 001 participants who visited a primary care centre in Japan. Participants were categorized into CKD risk groups and sleep duration categories according to their self-reported average nightly sleep duration. The relationship between average nightly sleep duration and the incidence of composite renal outcome comprised a ≥40% reduction in estimated glomerular filtration rate (eGFR) from baseline and a decline in eGFR to <15 mL/min/1.73 m² was evaluated. Results The mean age and eGFR (±standard deviation) of the patient cohort were 45.8 (±12.4) years and 81.8 (±15.4) mL/min/1.73 m², respectively. A total of 41 891 participants (51.1%) were women. During the median follow-up of 5.1 years [interquartile range 2.2–9.6], 4214 (5.1%) participants achieved the composite renal outcome. Only the long and very long sleep durations (≥8 h/night) were associated with an increased incidence of the composite renal outcome compared with the reference duration (7 h/night) [adjusted odds ratio (OR) 1.22 and 1.44; 95% confidence interval (CI) 1.09–1.36 and 1.13–1.84, for long and very long sleep durations, respectively]. Furthermore, this association was significant for both long and very long sleep durations in the low CKD risk group but only for long sleep duration in the intermediate CKD risk group. The results of the sex-specific analysis showed that men had a decreased risk of achieving the composite renal outcome (OR 0.91; 95% CI 0.79–1.06), while there was an increased risk for women (OR 1.14; 95% CI 1.02–1.28). Conclusions Average sleep durations ≥8 h/night were associated with an increased incidence of poor renal outcomes over time. However, a longitudinal cohort study is required to confirm whether sleep duration can prevent poor renal outcomes.
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Affiliation(s)
- Keita Hirano
- Department of Nephrology, St Luke's International Hospital, Tokyo, Japan
| | - Yasuhiro Komatsu
- Department of Nephrology, St Luke's International Hospital, Tokyo, Japan
| | - Takuro Shimbo
- Department of Internal Medicine, Ohta Nishinouchi Hospital, Fukushima, Japan
| | - Hirosuke Nakata
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Daiki Kobayashi
- Division of General Internal Medicine, Department of Medicine, Tokyo Medical University Ibaraki Medical Center, Ibaraki, Japan
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24
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Ansermet C, Centeno G, Bignon Y, Ortiz D, Pradervand S, Garcia A, Menin L, Gachon F, Yoshihara HA, Firsov D. Dysfunction of the circadian clock in the kidney tubule leads to enhanced kidney gluconeogenesis and exacerbated hyperglycemia in diabetes. Kidney Int 2021; 101:563-573. [PMID: 34838539 DOI: 10.1016/j.kint.2021.11.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 11/01/2021] [Accepted: 11/09/2021] [Indexed: 11/16/2022]
Abstract
The circadian clock is a ubiquitous molecular time-keeping mechanism which synchronizes cellular, tissue, and systemic biological functions with 24-hour environmental cycles. Local circadian clocks drive cell type- and tissue-specific rhythms and their dysregulation has been implicated in pathogenesis and/or progression of a broad spectrum of diseases. However, the pathophysiological role of intrinsic circadian clocks in the kidney of diabetics remains unknown. To address this question, we induced type I diabetes with streptozotocin in mice devoid of the circadian transcriptional regulator BMAL1 in podocytes (cKOp mice) or in the kidney tubule (cKOt mice). There was no association between dysfunction of the circadian clock and the development of diabetic nephropathy in cKOp and cKOt mice with diabetes. However, cKOt mice with diabetes exhibited exacerbated hyperglycemia, increased fractional excretion of glucose in the urine, enhanced polyuria, and a more pronounced kidney hypertrophy compared to streptozotocin-treated control mice. mRNA and protein expression analyses revealed substantial enhancement of the gluconeogenic pathway in kidneys of cKOt mice with diabetes as compared to diabetic control mice. Transcriptomic analysis along with functional analysis of cKOt mice with diabetes identified changes in multiple mechanisms directly or indirectly affecting the gluconeogenic pathway. Thus, we demonstrate that dysfunction of the intrinsic kidney tubule circadian clock can aggravate diabetic hyperglycemia via enhancement of gluconeogenesis in the kidney proximal tubule and further highlight the importance of circadian behavior in patients with diabetes.
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Affiliation(s)
- Camille Ansermet
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Gabriel Centeno
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Yohan Bignon
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Daniel Ortiz
- Mass Spectrometry Service, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Sylvain Pradervand
- Genomic Technologies Facility, University of Lausanne, Lausanne, Switzerland
| | - Andy Garcia
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Laure Menin
- Mass Spectrometry Service, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Frédéric Gachon
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland; Institute for Molecular Bioscience, The University of Queensland, Queensland, Australia
| | - Hikari Ai Yoshihara
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
| | - Dmitri Firsov
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland.
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25
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Tsukamoto S, Wakui H, Azushima K, Yamaji T, Urate S, Suzuki T, Abe E, Tanaka S, Taguchi S, Yamada T, Kinguchi S, Kamimura D, Yamashita A, Sano D, Nakano M, Hashimoto T, Tamura K. Tissue-specific expression of the SARS-CoV-2 receptor, angiotensin-converting enzyme 2, in mouse models of chronic kidney disease. Sci Rep 2021; 11:16843. [PMID: 34413390 PMCID: PMC8377123 DOI: 10.1038/s41598-021-96294-8] [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: 03/18/2021] [Accepted: 08/04/2021] [Indexed: 02/07/2023] Open
Abstract
Elevated angiotensin-converting enzyme 2 (ACE2) expression in organs that are potential targets of severe acute respiratory syndrome coronavirus 2 may increase the risk of coronavirus disease 2019 (COVID-19) infection. Previous reports show that ACE2 alter its tissue-specific expression patterns under various pathological conditions, including renal diseases. Here, we examined changes in pulmonary ACE2 expression in two mouse chronic kidney disease (CKD) models: adenine-induced (adenine mice) and aristolochic acid-induced (AA mice). We also investigated changes in pulmonary ACE2 expression due to renin-angiotensin system (RAS) blocker (olmesartan) treatment in these mice. Adenine mice showed significant renal functional decline and elevated blood pressure, compared with controls. AA mice also showed significant renal functional decline, compared with vehicles; blood pressure did not differ between groups. Renal ACE2 expression was significantly reduced in adenine mice and AA mice; pulmonary expression was unaffected. Olmesartan attenuated urinary albumin excretion in adenine mice, but did not affect renal or pulmonary ACE2 expression levels. The results suggest that the risk of COVID-19 infection may not be elevated in patients with CKD because of their stable pulmonary ACE2 expression. Moreover, RAS blockers can be used safely in treatment of COVID-19 patients with CKD.
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Affiliation(s)
- Shunichiro Tsukamoto
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Hiromichi Wakui
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.
| | - Kengo Azushima
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Takahiro Yamaji
- Cardiovascular and Metabolic Disorders Program, Duke-NUS Medical School, Singapore, Singapore
| | - Shingo Urate
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Toru Suzuki
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Eriko Abe
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Shohei Tanaka
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Shinya Taguchi
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Takayuki Yamada
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.,Department of Medicine, Mount Sinai Beth Israel, New York, NY, USA
| | - Sho Kinguchi
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Daisuke Kamimura
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Akio Yamashita
- Department of Molecular Biology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Daisuke Sano
- Department of Otorhinolaryngology, Head and Neck Surgery, School of Medicine, Yokohama City University, Yokohama, Japan
| | - Masayuki Nakano
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Tatsuo Hashimoto
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.,Internal Medicine, Kanagawa Dental University, Yokosuka, Japan
| | - Kouichi Tamura
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.
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26
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The Vascular Circadian Clock in Chronic Kidney Disease. Cells 2021; 10:cells10071769. [PMID: 34359937 PMCID: PMC8306728 DOI: 10.3390/cells10071769] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/29/2021] [Accepted: 07/09/2021] [Indexed: 12/11/2022] Open
Abstract
Chronic kidney disease is associated with extremely high cardiovascular mortality. The circadian rhythms (CR) have an impact on vascular function. The disruption of CR causes serious health problems and contributes to the development of cardiovascular diseases. Uremia may affect the master pacemaker of CR in the hypothalamus. A molecular circadian clock is also expressed in peripheral tissues, including the vasculature, where it regulates the different aspects of both vascular physiology and pathophysiology. Here, we address the impact of CKD on the intrinsic circadian clock in the vasculature. The expression of the core circadian clock genes in the aorta is disrupted in CKD. We propose a novel concept of the disruption of the circadian clock system in the vasculature of importance for the pathology of the uremic vasculopathy.
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27
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Zhang J, Sun R, Jiang T, Yang G, Chen L. Circadian Blood Pressure Rhythm in Cardiovascular and Renal Health and Disease. Biomolecules 2021; 11:biom11060868. [PMID: 34207942 PMCID: PMC8230716 DOI: 10.3390/biom11060868] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/05/2021] [Accepted: 06/08/2021] [Indexed: 12/21/2022] Open
Abstract
Blood pressure (BP) follows a circadian rhythm, it increases on waking in the morning and decreases during sleeping at night. Disruption of the circadian BP rhythm has been reported to be associated with worsened cardiovascular and renal outcomes, however the underlying molecular mechanisms are still not clear. In this review, we briefly summarized the current understanding of the circadian BP regulation and provided therapeutic overview of the relationship between circadian BP rhythm and cardiovascular and renal health and disease.
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Affiliation(s)
- Jiayang Zhang
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China; (J.Z.); (R.S.); (T.J.)
| | - Ruoyu Sun
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China; (J.Z.); (R.S.); (T.J.)
| | - Tingting Jiang
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China; (J.Z.); (R.S.); (T.J.)
| | - Guangrui Yang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China;
| | - Lihong Chen
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian 116044, China; (J.Z.); (R.S.); (T.J.)
- Correspondence: ; Tel.: +86-411-86118984
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28
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Yoshida Y, Matsunaga N, Nakao T, Hamamura K, Kondo H, Ide T, Tsutsui H, Tsuruta A, Kurogi M, Nakaya M, Kurose H, Koyanagi S, Ohdo S. Alteration of circadian machinery in monocytes underlies chronic kidney disease-associated cardiac inflammation and fibrosis. Nat Commun 2021; 12:2783. [PMID: 33986294 PMCID: PMC8119956 DOI: 10.1038/s41467-021-23050-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 04/12/2021] [Indexed: 12/17/2022] Open
Abstract
Dysfunction of the circadian clock has been implicated in the pathogenesis of cardiovascular disease. The CLOCK protein is a core molecular component of the circadian oscillator, so that mice with a mutated Clock gene (Clk/Clk) exhibit abnormal rhythms in numerous physiological processes. However, here we report that chronic kidney disease (CKD)-induced cardiac inflammation and fibrosis are attenuated in Clk/Clk mice even though they have high blood pressure and increased serum angiotensin II levels. A search for the underlying cause of the attenuation of heart disorder in Clk/Clk mice with 5/6 nephrectomy (5/6Nx) led to identification of the monocytic expression of G protein-coupled receptor 68 (GPR68) as a risk factor of CKD-induced inflammation and fibrosis of heart. 5/6Nx induces the expression of GPR68 in circulating monocytes via altered CLOCK activation by increasing serum levels of retinol and its binding protein (RBP4). The high-GPR68-expressing monocytes have increased potential for producing inflammatory cytokines, and their cardiac infiltration under CKD conditions exacerbates inflammation and fibrosis of heart. Serum retinol and RBP4 levels in CKD patients are also sufficient to induce the expression of GPR68 in human monocytes. Our present study reveals an uncovered role of monocytic clock genes in CKD-induced heart failure.
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Affiliation(s)
- Yuya Yoshida
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Naoya Matsunaga
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
- Department of Glocal Healthcare Science, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Takaharu Nakao
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Kengo Hamamura
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hideaki Kondo
- Center for Sleep Medicine, Saiseikai Nagasaki Hospital, Katafuchi, Nagasaki, Japan
| | - Tomomi Ide
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akito Tsuruta
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Masayuki Kurogi
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Michio Nakaya
- Department of Pharmacology and Toxicology, Facility of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hitoshi Kurose
- Department of Pharmacology and Toxicology, Facility of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Satoru Koyanagi
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
- Department of Glocal Healthcare Science, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Shigehiro Ohdo
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.
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29
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Zhang J, Liu C, Liang Q, Zheng F, Guan Y, Yang G, Chen L. Postnatal deletion of Bmal1 in mice protects against obstructive renal fibrosis via suppressing Gli2 transcription. FASEB J 2021; 35:e21530. [PMID: 33813752 DOI: 10.1096/fj.202002452r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/16/2021] [Accepted: 03/01/2021] [Indexed: 12/17/2022]
Abstract
Circadian clock is involved in regulating most renal physiological functions, including water and electrolyte balance and blood pressure homeostasis, however, the role of circadian clock in renal pathophysiology remains largely unknown. Here we aimed to investigate the role of Bmal1, a core clock component, in the development of renal fibrosis, the hallmark of pathological features in many renal diseases. The inducible Bmal1 knockout mice (iKO) whose gene deletion occurred in adulthood were used in the study. Analysis of the urinary water, sodium and potassium excretion showed that the iKO mice exhibit abolished diurnal variations. In the model of renal fibrosis induced by unilateral ureteral obstruction, the iKO mice displayed significantly decreased tubulointerstitial fibrosis reflected by attenuated collagen deposition and mitigated expression of fibrotic markers α-SMA and fibronectin. The hedgehog pathway transcriptional effectors Gli1 and Gli2, which have been reported to be involved in the pathogenesis of renal fibrosis, were significantly decreased in the iKO mice. Mechanistically, ChIP assay and luciferase reporter assay revealed that BMAL1 bound to the promoter of and activate the transcription of Gli2, but not Gli1, suggesting that the involvement of Bmal1 in renal fibrosis was possibly mediated via Gli2-dependent mechanisms. Furthermore, treatment with TGF-β increased Bmal1 in cultured murine proximal tubular cells. Knockdown of Bmal1 abolished, while overexpression of Bmal1 increased, Gli2 and the expression of fibrosis-related genes. Collectively, these results revealed a prominent role of the core clock gene Bmal1 in tubulointerstitial fibrosis. Moreover, we identified Gli2 as a novel target of Bmal1, which may mediate the adverse effect of Bmal1 in obstructive nephropathy.
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Affiliation(s)
- Jiayang Zhang
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Chengcheng Liu
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Qing Liang
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Feng Zheng
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Youfei Guan
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Guangrui Yang
- School of Bioengineering, Dalian University of Technology, Dalian, China
| | - Lihong Chen
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
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Chou LF, Chen TW, Yang HY, Tian YC, Chang MY, Hung CC, Hsu SH, Tsai CY, Ko YC, Yang CW. Transcriptomic signatures of exacerbated progression in leptospirosis subclinical chronic kidney disease with secondary nephrotoxic injury. Am J Physiol Renal Physiol 2021; 320:F1001-F1018. [PMID: 33779314 DOI: 10.1152/ajprenal.00640.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
High-incidence regions of leptospirosis caused by Leptospira spp. coincide with chronic kidney disease. This study investigated whether asymptomatic leptospirosis is an emerging culprit that predisposes to progressive chronic kidney disease when superimposed on secondary nephrotoxic injury. Kidney histology/function and whole transcriptomic profiles were evaluated for Leptospira-infected C57/BL6 mice with adenine-induced kidney injury. The extent of tubulointerstitial kidney lesions and expression of inflammation/fibrosis genes in infected mice with low-dose (0.1%) adenine, particularly in high-dose (0.2%) adenine-fed superimposed on Leptospira-infected mice, were significantly increased compared with mice following infection or adenine diet alone, and the findings are consistent with renal transcriptome analysis. Pathway enrichment findings showed that integrin-β- and fibronectin-encoding genes had distinct expression within the integrin-linked kinase-signaling pathway, which were upregulated in 0.2% adenine-fed Leptospira-infected mice but not in 0.2% adenine-fed mice, indicating that background subclinical Leptospiral infection indeed enhanced subsequent secondary nephrotoxic kidney injury and potential pathogenic molecules associated with secondary nephrotoxic leptospirosis. Comparative analysis of gene expression patterns with unilateral ureteric obstruction-induced mouse renal fibrosis and patients with chronic kidney disease showed that differentially expressed orthologous genes such as hemoglobin-α2, PDZ-binding kinase, and DNA topoisomerase II-α were identified in infected mice fed with low-dose and high-dose adenine, respectively, revealing differentially expressed signatures identical to those found in the datasets and may serve as markers of aggravated kidney progression. This study indicates that background subclinical leptospirosis, when subjected to various degrees of subsequent secondary nephrotoxic injury, may predispose to exacerbated fibrosis, mimicking the pathophysiological process of progressive chronic kidney disease.NEW & NOTEWORTHY Leptospira-infected mice followed by secondary nephrotoxic injury exacerbated immune/inflammatory responses and renal fibrosis. Comparison with the murine model revealed candidates involved in the progression of renal fibrosis in chronic kidney disease (CKD). Comparative transcriptome study suggests that secondary nephrotoxic injury in Leptospira-infected mice recapitulates the gene expression signatures found in CKD patients. This study indicates that secondary nephrotoxic injury may exacerbate CKD in chronic Leptospira infection implicating in the progression of CKD of unknown etiology.
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Affiliation(s)
- Li-Fang Chou
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Ting-Wen Chen
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.,Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.,Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Huang-Yu Yang
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Chung Tian
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ming-Yang Chang
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Cheng-Chieh Hung
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Shen-Hsing Hsu
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chung-Ying Tsai
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Yi-Ching Ko
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chih-Wei Yang
- Kidney Research Center and Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Circadian rhythms of mineral metabolism in chronic kidney disease-mineral bone disorder. Curr Opin Nephrol Hypertens 2021; 29:367-377. [PMID: 32452917 DOI: 10.1097/mnh.0000000000000611] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW The circadian rhythms have a systemic impact on all aspects of physiology. Kidney diseases are associated with extremely high-cardiovascular mortality, related to chronic kidney disease-mineral bone disorder (CKD-MBD), involving bone, parathyroids and vascular calcification. Disruption of circadian rhythms may cause serious health problems, contributing to development of cardiovascular diseases, metabolic syndrome, cancer, organ fibrosis, osteopenia and aging. Evidence of disturbed circadian rhythms in CKD-MBD parameters and organs involved is emerging and will be discussed in this review. RECENT FINDINGS Kidney injury induces unstable behavioral circadian rhythm. Potentially, uremic toxins may affect the master-pacemaker of circadian rhythm in hypothalamus. In CKD disturbances in the circadian rhythms of CKD-MBD plasma-parameters, activin A, fibroblast growth factor 23, parathyroid hormone, phosphate have been demonstrated. A molecular circadian clock is also expressed in peripheral tissues, involved in CKD-MBD; vasculature, parathyroids and bone. Expression of the core circadian clock genes in the different tissues is disrupted in CKD-MBD. SUMMARY Disturbed circadian rhythms is a novel feature of CKD-MBD. There is a need to establish which specific input determines the phase of the local molecular clock and to characterize its regulation and deregulation in tissues involved in CKD-MBD. Finally, it is important to establish what are the implications for treatment including the potential applications for chronotherapy.
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Ivy JR, Bailey MA. Nondipping Blood Pressure: Predictive or Reactive Failure of Renal Sodium Handling? Physiology (Bethesda) 2021; 36:21-34. [PMID: 33325814 DOI: 10.1152/physiol.00024.2020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Blood pressure follows a daily rhythm, dipping during nocturnal sleep in humans. Attenuation of this dip (nondipping) is associated with increased risk of cardiovascular disease. Renal control of sodium homeostasis is essential for long-term blood pressure control. Sodium reabsorption and excretion have rhythms that rely on predictive/circadian as well as reactive adaptations. We explore how these rhythms might contribute to blood pressure rhythm in health and disease.
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Affiliation(s)
- Jessica R Ivy
- University/BHF Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Matthew A Bailey
- University/BHF Centre for Cardiovascular Science, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom
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Carriazo S, Ramos AM, Sanz AB, Sanchez-Niño MD, Kanbay M, Ortiz A. Chronodisruption: A Poorly Recognized Feature of CKD. Toxins (Basel) 2020; 12:E151. [PMID: 32121234 PMCID: PMC7150823 DOI: 10.3390/toxins12030151] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/17/2020] [Accepted: 02/20/2020] [Indexed: 02/07/2023] Open
Abstract
Multiple physiological variables change over time in a predictable and repetitive manner, guided by molecular clocks that respond to external and internal clues and are coordinated by a central clock. The kidney is the site of one of the most active peripheral clocks. Biological rhythms, of which the best known are circadian rhythms, are required for normal physiology of the kidneys and other organs. Chronodisruption refers to the chronic disruption of circadian rhythms leading to disease. While there is evidence that circadian rhythms may be altered in kidney disease and that altered circadian rhythms may accelerate chronic kidney disease (CKD) progression, there is no comprehensive review on chronodisruption and chronodisruptors in CKD and its manifestations. Indeed, the term chronodisruption has been rarely applied to CKD despite chronodisruptors being potential therapeutic targets in CKD patients. We now discuss evidence for chronodisruption in CKD and the impact of chronodisruption on CKD manifestations, identify potential chronodisruptors, some of them uremic toxins, and their therapeutic implications, and discuss current unanswered questions on this topic.
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Affiliation(s)
- Sol Carriazo
- IIS-Fundacion Jimenez Diaz, Department of Medicine, Universidad Autonoma de Madrid, Fundacion Renal Iñigo Alvarez de Toledo-IRSIN, 28040 Madrid, Spain; (S.C.); (A.MR.); (A.BS.); (M.D.S.-N.)
- Red de Investigación Renal (REDINREN), 28040 Madrid, Spain
| | - Adrián M Ramos
- IIS-Fundacion Jimenez Diaz, Department of Medicine, Universidad Autonoma de Madrid, Fundacion Renal Iñigo Alvarez de Toledo-IRSIN, 28040 Madrid, Spain; (S.C.); (A.MR.); (A.BS.); (M.D.S.-N.)
- Red de Investigación Renal (REDINREN), 28040 Madrid, Spain
| | - Ana B Sanz
- IIS-Fundacion Jimenez Diaz, Department of Medicine, Universidad Autonoma de Madrid, Fundacion Renal Iñigo Alvarez de Toledo-IRSIN, 28040 Madrid, Spain; (S.C.); (A.MR.); (A.BS.); (M.D.S.-N.)
- Red de Investigación Renal (REDINREN), 28040 Madrid, Spain
| | - Maria Dolores Sanchez-Niño
- IIS-Fundacion Jimenez Diaz, Department of Medicine, Universidad Autonoma de Madrid, Fundacion Renal Iñigo Alvarez de Toledo-IRSIN, 28040 Madrid, Spain; (S.C.); (A.MR.); (A.BS.); (M.D.S.-N.)
- Red de Investigación Renal (REDINREN), 28040 Madrid, Spain
| | - Mehmet Kanbay
- Division of Nephrology, Department of Medicine, Koc University School of Medicine, 34010 Istanbul, Turkey;
| | - Alberto Ortiz
- IIS-Fundacion Jimenez Diaz, Department of Medicine, Universidad Autonoma de Madrid, Fundacion Renal Iñigo Alvarez de Toledo-IRSIN, 28040 Madrid, Spain; (S.C.); (A.MR.); (A.BS.); (M.D.S.-N.)
- Red de Investigación Renal (REDINREN), 28040 Madrid, Spain
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