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Cao X, Xu F, Zhao H, Zhang J, Liu C. An extra honey polyphenols-rich diet ameliorates the high-fat diet induced chronic kidney disease via modulating gut microbiota in C57BL/6 mice. Ren Fail 2024; 46:2367700. [PMID: 38938191 PMCID: PMC467112 DOI: 10.1080/0886022x.2024.2367700] [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: 11/20/2023] [Accepted: 06/07/2024] [Indexed: 06/29/2024] Open
Abstract
Honey is not equivalent to sugar and possess a worldwide health promoting effects such as antioxidant, antibacterial, anti-inflammatory, and hepatoprotective activities. Nevertheless, the potential impacts of honey on high-fat diet induced chronic kidney disease (CKD) and gut microbiota remain to be explored. Herein a high-fat diet was used to induce a mouse CKD model, and analysis was conducted on liver, kidney, spleen indices, tissue morphology, biochemical parameters, CKD related genes, and gut microbial diversity. The results indicated that significant inhibitory effects on renal damage caused by a high-fat diet in mice and improvement in disease symptoms were observed upon honey treatment. Significant changes were also found in serum TC, TG, UA, and BUN as well as the inflammation-related protein TNF-α and IL-6 levels in renal tissues. Gene expression analysis revealed that honey intake closely relates to gut microbiota diversity, which can regulate the composition of gut microbiota, increase microbial diversity, especially Bifidobacteriales and S24_7 and promote the synthesis of short chain fatty acids (SCFAs). In summary, this study suggests that honey has both preventive and therapeutic effects on CKD, which may be associated with its ability to improve microbial composition, increase microbial diversity, and regulate SCFAs levels.
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Affiliation(s)
- Xirong Cao
- Ministry of Education, Key Laboratory of Surgical Critical Care and Life Support (Xi’an Jiaotong University), Xi’an, Shaanxi, China
- Department of SICU, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Fangrui Xu
- School of Food Science and Technology, Northwest University, Xi’an, China
| | - Haoan Zhao
- School of Food Science and Technology, Northwest University, Xi’an, China
| | - Jingyao Zhang
- Ministry of Education, Key Laboratory of Surgical Critical Care and Life Support (Xi’an Jiaotong University), Xi’an, Shaanxi, China
- Department of SICU, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Chang Liu
- Ministry of Education, Key Laboratory of Surgical Critical Care and Life Support (Xi’an Jiaotong University), Xi’an, Shaanxi, China
- Department of Hepatobiliary, Pancreatic and Liver Transplantation Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Henry RJ, Barrett JP, Vaida M, Khan NZ, Makarevich O, Ritzel RM, Faden AI, Stoica BA. Interaction of high-fat diet and brain trauma alters adipose tissue macrophages and brain microglia associated with exacerbated cognitive dysfunction. J Neuroinflammation 2024; 21:113. [PMID: 38685031 PMCID: PMC11058055 DOI: 10.1186/s12974-024-03107-6] [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: 09/24/2023] [Accepted: 04/22/2024] [Indexed: 05/02/2024] Open
Abstract
Obesity increases the morbidity and mortality of traumatic brain injury (TBI). Detailed analyses of transcriptomic changes in the brain and adipose tissue were performed to elucidate the interactive effects between high-fat diet-induced obesity (DIO) and TBI. Adult male mice were fed a high-fat diet (HFD) for 12 weeks prior to experimental TBI and continuing after injury. High-throughput transcriptomic analysis using Nanostring panels of the total visceral adipose tissue (VAT) and cellular components in the brain, followed by unsupervised clustering, principal component analysis, and IPA pathway analysis were used to determine shifts in gene expression patterns and molecular pathway activity. Cellular populations in the cortex and hippocampus, as well as in VAT, during the chronic phase after combined TBI-HFD showed amplification of central and peripheral microglia/macrophage responses, including superadditive changes in selected gene expression signatures and pathways. Furthermore, combined TBI and HFD caused additive dysfunction in Y-Maze, Novel Object Recognition (NOR), and Morris water maze (MWM) cognitive function tests. These novel data suggest that HFD-induced obesity and TBI can independently prime and support the development of altered states in brain microglia and VAT, including the disease-associated microglia/macrophage (DAM) phenotype observed in neurodegenerative disorders. The interaction between HFD and TBI promotes a shift toward chronic reactive microglia/macrophage transcriptomic signatures and associated pro-inflammatory disease-altered states that may, in part, underlie the exacerbation of cognitive deficits. Thus, targeting of HFD-induced reactive cellular phenotypes, including in peripheral adipose tissue immune cell populations, may serve to reduce microglial maladaptive states after TBI, attenuating post-traumatic neurodegeneration and neurological dysfunction.
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Affiliation(s)
- Rebecca J Henry
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA.
- Department of Anatomy and Neuroscience, School of Medicine, University College Cork, Cork, Ireland.
| | - James P Barrett
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Maria Vaida
- Harrisburg University of Science and Technology, 326 Market St, Harrisburg, PA, USA
| | - Niaz Z Khan
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Oleg Makarevich
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Rodney M Ritzel
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Alan I Faden
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Bogdan A Stoica
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD, USA
- VA Maryland Health Care System, Baltimore VA Medical Center, Baltimore, MD, 21201, USA
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3
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He Q, Zheng Q, Diao H, Li M, Zhu Q, Fang F, Cui W. The role of body mass index on the association between the energy-adjusted dietary inflammatory index and hyperuricemia: a mediation analysis based on NHANES (2007-2016). Int J Obes (Lond) 2024; 48:339-345. [PMID: 37989765 DOI: 10.1038/s41366-023-01418-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/15/2023] [Accepted: 11/09/2023] [Indexed: 11/23/2023]
Abstract
BACKGROUND The Energy-Adjusted Dietary Inflammatory Index (E-DII) is related to both body mass index (BMI) and hyperuricemia. However, the association among BMI, hyperuricemia and DII is yet to be fully elucidated. The purpose of this study is to explore the role of BMI in the relationship between E-DII and hyperuricemia in the American population. METHODS A cross-sectional study was conducted using data from the National Health and Nutrition Examination Survey (NHANES) spanning from 2007 to 2016, with a sample size of 10,571 participants. The study used a weighted logistic regression model and a generalized additive model (GAM) to explore the associations among BMI, hyperuricemia and E-DII. Furthermore, mediation analysis was utilized to illustrate the mediating relationships among these variables. RESULTS The results of the study indicated that a higher E-DII was related to an increased risk of hyperuricemia. The association between E-DII and hyperuricemia was partially mediated by BMI. CONCLUSIONS E-DII is associated with hyperuricemia. BMI mediates the relationship between E-DII and hyperuricemia among Americans, which provides crucial information for the prevention of hyperuricemia.
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Affiliation(s)
- Qingzhen He
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China
| | - Qingzhao Zheng
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China
| | - Houze Diao
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China
| | - Mingyuan Li
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China
| | - Qing Zhu
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China
| | - Fang Fang
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China.
| | - Weiwei Cui
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, P. R. China.
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Patel NA, Lui A, Trujillo AN, Motawe ZY, Bader D, Schuster J, Burgess A, Alves NG, Jo M, Breslin JW. Female and male obese Zucker rats display differential inflammatory mediator and long non-coding RNA profiles. Life Sci 2023; 335:122285. [PMID: 37995934 PMCID: PMC10760426 DOI: 10.1016/j.lfs.2023.122285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/08/2023] [Accepted: 11/20/2023] [Indexed: 11/25/2023]
Abstract
AIMS The goal of this study was to identify mediators in peri-lymphatic adipose tissue (PLAT) that are altered in obese versus lean Zucker rats, with focus on potential sex differences MAIN METHODS: Mesenteric PLAT was analyzed with protein and lncRNA arrays. Additional RT-PCR confirmation was performed with epididymal/ovarian fat. KEY FINDINGS MCP-1, TCK-1, Galectin-1, Galectin-3, and neuropilin-1 were elevated in PLAT from obese rats of both sexes. However, 11 additional proteins were elevated only in obese males while 24 different proteins were elevated in obese females. Profiling of lncRNAs revealed lean males have elevated levels of NEAT1, MALAT1 and GAS5 compared to lean females. NEAT1, MALAT1, and GAS5 were significantly reduced with obesity in males but not in females. Another lncRNA, HOTAIR, was higher in lean females compared to males, and its levels in females were reduced with obesity. Obese rats of both sexes had similar histologic findings of mesenteric macrophage crown-like structures and hepatocyte fat accumulation. SIGNIFICANCE While obese male and female Zucker rats both have increased inflammation, they have distinct signals. Future studies of the proteome and lncRNA landscape of obese males vs. females in various animal models and in human subjects are warranted to better guide development of therapeutics for obesity-induced inflammation.
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Affiliation(s)
- Niketa A Patel
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, United States of America; James A. Haley Veteran's Hospital, United States of America
| | - Ashley Lui
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, United States of America; James A. Haley Veteran's Hospital, United States of America
| | - Andrea N Trujillo
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America
| | - Zeinab Y Motawe
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America
| | - Deena Bader
- James A. Haley Veteran's Hospital, United States of America
| | - Jane Schuster
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America
| | - Andrea Burgess
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America
| | - Natascha G Alves
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America
| | - Michiko Jo
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America; Division of Presymptomatic Disease, Institute of Natural Medicine, University of Toyama, Japan
| | - Jerome W Breslin
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, United States of America.
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Chan CW, Lin BF. Folate Deficiency Enhanced Inflammation and Exacerbated Renal Fibrosis in High-Fat High-Fructose Diet-Fed Mice. Nutrients 2023; 15:3616. [PMID: 37630806 PMCID: PMC10458828 DOI: 10.3390/nu15163616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
The prevalence of obesity and chronic kidney disease (CKD) is increasing simultaneously and rapidly worldwide. Our previous study showed that folate deficiency increased lipid accumulation and leptin production of adipocytes. Whether folate plays a role in CKD, particularly obesity-related nephropathy remains unclear. To investigate the effects of folate deficiency on CKD in diet-induced obese mice, four groups of male C57BL/6 mice were fed either a normal-fat diet (NF) with folate (NF+f); NF without folate (NF-f); high-fat high-fructose diet (HFF) with folate (HFF+f); or HFF without folate (HFF-f) for 12 months during the study. The results showed that HFF increased not only body weight, fasting blood glucose, total cholesterol (TC), low-density lipoprotein (LDL)-cholesterol, and blood pressure, but also cytokines levels, such as interleukin (IL)-2, interferon (IFN)-γ, IL-17A/F, IL-6, monocyte chemoattractant protein (MCP)-1, and transforming growth factor (TGF)-β1. The indicators of kidney failure including urinary protein, neutrophil gelatinase-associated lipocalin (NGAL), renal type I and IV collagen deposits and leptin content, and serum creatinine were also increased by HFF. Folate-deficient diets further elevated serum TC, LDL-cholesterol, IL-6, tumor necrosis factor (TNF)-α, MCP-1, TGF-β1, and leptin, but decreased IL-10 level, and thus exacerbated renal fibrosis. To investigate the possible mechanisms of folate deficiency on renal injury, phosphorylation of pro-fibrosis signaling molecules, including signal transducer and activator of transcription (STAT)3 and small mothers against decapentaplegic (Smad)2/3, were assayed. Both HFF and folate deficiency significantly increased the phosphorylation of STAT3 and Smad2/3, suggesting synergistic effects of HFF-f on chronic renal inflammation and fibrosis. In conclusion, the results demonstrated that folate deficiency might aggravate inflammatory status and enhance renal fibrosis.
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Affiliation(s)
| | - Bi-Fong Lin
- Department of Biochemical Science and Technology, College of Life Science, National Taiwan University, Taipei 10617, Taiwan;
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Zhang BT, Xu JY, Wang W, Zeng Y, Jiang J. Obesity and cancer: Mouse models used in studies. Front Oncol 2023; 13:1125178. [PMID: 37007087 PMCID: PMC10061215 DOI: 10.3389/fonc.2023.1125178] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023] Open
Abstract
There is increasing evidence that obesity is associated with the occurrence and development of malignant tumors. When studying the relationship between obesity and malignant tumors, it is very important to choose an appropriate animal model. However, BALB/c nude mice and other animals commonly used to study tumor xenograft (human-derived tumor cell lines) transplantation models are difficult to induce obesity, while C57BL/6 mice and other model animals commonly used for obesity research are not suitable for tumor xenograft transplantation. Therefore, it is difficult to replicate both obesity and malignancy in animal models at the same time. This review summarizes several experimental animal models and protocols that can simultaneously induce obesity and tumor xenografts.
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Affiliation(s)
- Bo-Tao Zhang
- Department of General Surgery (Thyroid Surgery), the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jia-Ying Xu
- Department of General Surgery (Thyroid Surgery), the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Wei Wang
- Department of General Surgery (Thyroid Surgery), the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yang Zeng
- Department of Orthodontic, the Affiliated Stomatological Hospital of Southwest Medical University, Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Luzhou, China
- *Correspondence: Jun Jiang, ; Yang Zeng,
| | - Jun Jiang
- Department of General Surgery (Thyroid Surgery), the Affiliated Hospital of Southwest Medical University, Luzhou, China
- *Correspondence: Jun Jiang, ; Yang Zeng,
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7
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Deng Q, Wang W, Zhang L, Chen L, Zhang Q, Zhang Y, He S, Li J. Gougunao tea polysaccharides ameliorate high-fat diet-induced hyperlipidemia and modulate gut microbiota. Food Funct 2023; 14:703-719. [PMID: 36511170 DOI: 10.1039/d2fo01828d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Many natural polysaccharides have been proven to have ameliorative effects on high-fat diet-induced hyperlipidemia with fewer side effects. However, similar data on Gougunao tea polysaccharides remain obscure. In this study, we aimed to investigate the role of Gougunao tea polysaccharides (GTP40) in the alleviation of hyperlipidemia and regulation of gut microbiota in C57BL/6J mice induced by a high-fat diet. The results indicated that GTP40 intervention inhibited the abnormal growth of body weight and the excessive accumulation of lipid droplets in the livers and ameliorated the biochemical parameters of serum/liver related to lipid metabolism in hyperlipidemia mice. The elevated levels of antioxidant enzyme and anti-inflammation cytokine in serum, as well as the up-regulating anti-inflammation gene in the liver, reflected that GTP40 might mitigate the oxidative and inflammatory stress induced by a high-fat diet. In addition, GTP40 could modulate the composition, abundance, and diversity of gut microbiota in hyperlipidemia mice. Besides, Spearman's correlation analysis implied that GTP40 intervention could enrich beneficial bacteria (e.g., Akkermansia, Bacteroides, Roseburia, and Alistipes), and decrease harmful bacteria (e.g., Blautia, Faecalibaculum, Streptococcus, and norank_f_Desulfovibrionaceae), which were correlated with the lipid metabolic parameters associated with hyperlipidemia. Moreover, it also indicated that there was a significant correlation between gut microbiota and SCFAs. Thus, GTP40 may be a novel strategy against fat accumulation, oxidative stress, and inflammation, as well as restoring the normal microbial balance of the gut in hyperlipidemia mice.
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Affiliation(s)
- Qihuan Deng
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Wenjun Wang
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Lieyuan Zhang
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China. .,Technical Center of Nanchang Customs, Nanchang 330038, China
| | - Lingli Chen
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Qingfeng Zhang
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Ying Zhang
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Sichen He
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Jingen Li
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
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Lin CJ, Tien PT, Lai CT, Hsia NY, Chang CH, Bair H, Chen HS, Yang YC, Lin JM, Chen WL, Tsai YY. Chronic Kidney Disease as A Potential Risk Factor for Uveitis: A 13-Year Nationwide Population-Based Cohort Study in Taiwan. Ocul Immunol Inflamm 2022; 30:1919-1925. [PMID: 34648389 DOI: 10.1080/09273948.2021.1976213] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE To investigate whether patients with chronic kidney disease (CKD) are at increased risk of uveitis. METHODS Data was collected from the Taiwan National Health Insurance system and included patients newly diagnosed with CKD between 2000 and 2012. The endpoint of interest was a diagnosis of uveitis. RESULTS 30,256 CKD patients and 121,024 matched comparisons were analyzed. CKD patients were found to have a significantly higher cumulative uveitis incidence. Through multivariate Cox regression analysis, the CKD group was found to have higher risk of developing uveitis (adjusted hazard ratio 1.51). After stratified by gender, age, and comorbidities (hypertension, diabetes, and hyperlipidemia), the increased risk of uveitis in CKD patients remained significant. CONCLUSIONS Patients with CKD were found to have higher risk of developing uveitis. For patients over 18 years old and with hypertension, diabetes, or hyperlipidemia, the presence of CKD was demonstrated as an additional crucial factor for uveitis development.
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Affiliation(s)
- Chun-Ju Lin
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Optometry, Asia University, Taichung, Taiwan
| | - Peng-Tai Tien
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,College of Medicine, Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
| | - Chun-Ting Lai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Ning-Yi Hsia
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Cheng-Hsien Chang
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Department of Ophthalmology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Henry Bair
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Stanford University School of Medicine, Stanford, California, USA
| | - Huan-Sheng Chen
- An-Shin Dialysis Center, NephroCare Ltd., Fresenius Medical Care, Taichung, Taiwan
| | - Yu-Cih Yang
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan.,College of Medicine, China Medical University, Taichung, Taiwan
| | - Jan-Ming Lin
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Wen-Lu Chen
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Yi-Yu Tsai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.,School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Optometry, Asia University, Taichung, Taiwan
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Resveratrol treatment modulates several antioxidant and anti-inflammatory genes expression and ameliorated oxidative stress mediated fibrosis in the kidneys of high-fat diet-fed rats. Saudi Pharm J 2022; 30:1454-1463. [DOI: 10.1016/j.jsps.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 07/19/2022] [Indexed: 11/23/2022] Open
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10
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The Flavonoid Hesperidin Methyl Chalcone Targets Cytokines and Oxidative Stress to Reduce Diclofenac-Induced Acute Renal Injury: Contribution of the Nrf2 Redox-Sensitive Pathway. Antioxidants (Basel) 2022; 11:antiox11071261. [PMID: 35883752 PMCID: PMC9312103 DOI: 10.3390/antiox11071261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Hesperidin is derived from citrus fruits among other plants. Hesperidin was methylated to increase its solubility, generating hesperidin methyl chalcone (HMC), an emerging flavonoid that possess anti-inflammatory and antioxidant properties. The nuclear factor erythroid 2-related factor 2 (Nrf2) is a powerful regulator of cellular resistance to oxidant products. Previous data evidenced HMC can activate Nrf2 signaling, providing antioxidant protection against diverse pathological conditions. However, its effects on kidney damage caused by non-steroidal anti-inflammatory drugs (NSAIDs) have not been evaluated so far. Mice received a nephrotoxic dose of diclofenac (200 mg/kg) orally followed by intra-peritoneal (i.p.) administration of HMC (0.03–3 mg/kg) or vehicle. Plasmatic levels of urea, creatinine, oxidative stress, and cytokines were assessed. Regarding the kidneys, oxidative parameters, cytokine production, kidney swelling, urine NGAL, histopathology, and Nrf2 mRNA expression and downstream targets were evaluated. HMC dose-dependently targeted diclofenac systemic alterations by decreasing urea and creatinine levels, and lipid peroxidation, as well as IL-6, IFN-γ, and IL-33 production, and restored antioxidant properties in plasma samples. In kidney samples, HMC re-established antioxidant defenses, inhibited lipid peroxidation and pro-inflammatory cytokines and upregulated IL-10, reduced kidney swelling, urine NGAL, and histopathological alterations. Additionally, HMC induced mRNA expression of Nrf2 and its downstream effectors HO-1 and Nqo1, as well as reduced the levels of Keap1 protein detected in renal tissue. The present data demonstrate HMC is a potential compound for the treatment of acute renal damage caused by diclofenac, a routinely prescribed non-steroidal anti-inflammatory drug.
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11
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Yanai K, Kaneko S, Ishii H, Aomatsu A, Hirai K, Ookawara S, Morishita Y. MicroRNA Expression Profiling in Age-Dependent Renal Impairment. Front Med (Lausanne) 2022; 9:849075. [PMID: 35646947 PMCID: PMC9140741 DOI: 10.3389/fmed.2022.849075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/20/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundAge-dependent renal impairment contributes to renal dysfunction in both the general population and young and middle-aged patients with renal diseases. Pathological changes in age-dependent renal impairment include glomerulosclerosis and tubulointerstitial fibrosis. The molecules involved in age-dependent renal impairment are not fully elucidated. MicroRNA (miRNA) species were reported to modulate various renal diseases, but the miRNA species involved in age-dependent renal impairment are unclear. Here, we investigated miRNAs in age-dependent renal impairment, and we evaluated their potential as biomarkers and therapeutic targets.MethodsWe conducted an initial microarray profiling analysis to screen miRNAs whose expression levels changed in kidneys of senescence-accelerated resistant (SAMR1)-10-week-old (wk) mice and SAMR1-50wk mice and senescence-accelerated prone (SAMP1)-10wk mice and SAMP1-50wk mice. We then evaluated the expressions of differentially expressed miRNAs in serum from 13 older patients (>65 years old) with age-dependent renal impairment (estimated glomerular filtration ratio <60 mL/min/1.73 m2) by a quantitative real-time polymerase chain reaction (qRT-PCR) and compared the expressions with those of age-matched subjects with normal renal function. We also administered miRNA mimics or inhibitors (5 nmol) with a non-viral vector (polyethylenimine nanoparticles: PEI-NPs) to SAMP1-20wk mice to investigate the therapeutic effects.ResultsThe qRT-PCR revealed a specific miRNA (miRNA-503-5p) whose level was significantly changed in SAMP1-50wk mouse kidneys in comparison to the controls. The expression level of miRNA-503-5p was upregulated in the serum of the 13 patients with age-dependent renal impairment compared to the age-matched subjects with normal renal function. The administration of a miRNA-503-5p-inhibitor with PEI-NPs decreased the miRNA-503-5p expression levels, resulting in the inhibition of renal fibrosis in mice via an inhibition of a pro-fibrotic signaling pathway and a suppression of glomerulosclerosis in mice by inhibiting intrinsic signaling pathways.ConclusionThe serum levels of miRNA-503-5p were decreased in patients with age-dependent renal impairment. However, inhibition of miRNA-503-5p had no effect on age-dependent renal impairment, although inhibition of miRNA-503-5p had therapeutic effects on renal fibrosis and glomerulosclerosis in an in vivo animal model. These results indicate that miRNA-503-5p might be related to age-dependent renal impairment.
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Affiliation(s)
- Katsunori Yanai
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Shohei Kaneko
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Hiroki Ishii
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Akinori Aomatsu
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
- Division of Intensive Care Unit, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Keiji Hirai
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Susumu Ookawara
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Yoshiyuki Morishita
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
- *Correspondence: Yoshiyuki Morishita
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12
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Morrison MC, Gart E, van Duyvenvoorde W, Snabel J, Nielsen MJ, Leeming DJ, Menke A, Kleemann R. Heat-Inactivated Akkermansia muciniphila Improves Gut Permeability but Does Not Prevent Development of Non-Alcoholic Steatohepatitis in Diet-Induced Obese Ldlr-/-.Leiden Mice. Int J Mol Sci 2022; 23:ijms23042325. [PMID: 35216439 PMCID: PMC8878538 DOI: 10.3390/ijms23042325] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/02/2022] [Accepted: 02/13/2022] [Indexed: 02/07/2023] Open
Abstract
The development of non-alcoholic steatohepatitis (NASH) has been associated with alterations in gut microbiota composition and reduced gut barrier function. Akkermansia muciniphila is a gut microbe that is thought to have health-promoting properties, including the ability to improve gut barrier function and host metabolism, both when administered live and after heat-inactivation. We questioned whether heat-inactivated A. muciniphila may reduce NASH development. Ldlr−/−.Leiden mice, a translational, diet-induced model for NASH, were fed a NASH-inducing high-fat diet (HFD) supplemented with heat-inactivated A. muciniphila. After 28 weeks, effects of the treatment on obesity and associated metabolic dysfunction in the gut (microbiota composition and permeability), adipose tissue, and liver were studied relative to an untreated HFD control. Treatment with heat-inactivated A. muciniphila did not affect body weight or adiposity and had no effect on plasma lipids, blood glucose, or plasma insulin. Heat-inactivated A. muciniphila had some minor effects on mucosal microbiota composition in ileum and colon and improved gut barrier function, as assessed by an in vivo functional gut permeability test. Epidydimal white adipose tissue (WAT) hypertrophy and inflammation were not affected, but heat-inactivated A. muciniphila did reduce hypertrophy in the mesenteric WAT which is in close proximity to the intestine. Heat-inactivated A. muciniphila did not affect the development of NASH or associated fibrosis in the liver and did not affect circulating bile acids or markers of liver fibrosis, but did reduce PRO-C4, a type IV collagen synthesis marker, which may be associated with gut integrity. In conclusion, despite beneficial effects in the gut and mesenteric adipose tissue, heat-inactivated A. muciniphila did not affect the development of NASH and fibrosis in a chronic disease setting that mimics clinically relevant disease stages.
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Affiliation(s)
- Martine C. Morrison
- Department of Metabolic Health Research, The Netherlands Organisation for Applied Scientific Research (TNO), 2333 CK Leiden, The Netherlands; (E.G.); (W.v.D.); (J.S.); (A.M.); (R.K.)
- Human and Animal Physiology, Wageningen University, 6708 WD Wageningen, The Netherlands
- Correspondence:
| | - Eveline Gart
- Department of Metabolic Health Research, The Netherlands Organisation for Applied Scientific Research (TNO), 2333 CK Leiden, The Netherlands; (E.G.); (W.v.D.); (J.S.); (A.M.); (R.K.)
- Human and Animal Physiology, Wageningen University, 6708 WD Wageningen, The Netherlands
| | - Wim van Duyvenvoorde
- Department of Metabolic Health Research, The Netherlands Organisation for Applied Scientific Research (TNO), 2333 CK Leiden, The Netherlands; (E.G.); (W.v.D.); (J.S.); (A.M.); (R.K.)
| | - Jessica Snabel
- Department of Metabolic Health Research, The Netherlands Organisation for Applied Scientific Research (TNO), 2333 CK Leiden, The Netherlands; (E.G.); (W.v.D.); (J.S.); (A.M.); (R.K.)
| | - Mette Juul Nielsen
- Nordic Bioscience, Biomarkers and Research, 2730 Herlev, Denmark; (M.J.N.); (D.J.L.)
| | - Diana Julie Leeming
- Nordic Bioscience, Biomarkers and Research, 2730 Herlev, Denmark; (M.J.N.); (D.J.L.)
| | - Aswin Menke
- Department of Metabolic Health Research, The Netherlands Organisation for Applied Scientific Research (TNO), 2333 CK Leiden, The Netherlands; (E.G.); (W.v.D.); (J.S.); (A.M.); (R.K.)
| | - Robert Kleemann
- Department of Metabolic Health Research, The Netherlands Organisation for Applied Scientific Research (TNO), 2333 CK Leiden, The Netherlands; (E.G.); (W.v.D.); (J.S.); (A.M.); (R.K.)
- Department of Vascular Surgery, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
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13
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Zhuang H, Yao X, Li H, Li Q, Yang C, Wang C, Xu D, Xiao Y, Gao Y, Gao J, Bi M, Liu R, Teng G, Liu L. Long-term high-fat diet consumption by mice throughout adulthood induces neurobehavioral alterations and hippocampal neuronal remodeling accompanied by augmented microglial lipid accumulation. Brain Behav Immun 2022; 100:155-171. [PMID: 34848340 DOI: 10.1016/j.bbi.2021.11.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 01/01/2023] Open
Abstract
High-fat diet (HFD) consumption is generally associated with an increased risk of cognitive and emotional dysfunctions that constitute a sizeable worldwide health burden with profound social and economic consequences. Middle age is a critical time period that affects one's health later in life; pertinently, the prevalence of HFD consumption is increasing among mature adults. Given the growing health-related economic burden imposed globally by increasing rates of noncommunicable diseases in rapidly aging populations, along with the pervasive but insidious health impairments associated with HFD consumption, it is critically important to understand the effects of long-term HFD consumption on brain function and to gain insights into their potential underlying mechanisms. In the present study, adult male C57BL/6J mice were randomly assigned a control diet (CD, 10 kJ% from fat) or an HFD (60 kJ% from fat) for 6 months (6 M) or 9 months (9 M) followed by behavioral tests, serum biochemical analysis, and histological examinations of both the dorsal and ventral regions of the hippocampus. In both the 6 M and 9 M cohorts, mice that consumed an HFD exhibited poorer memory performance in the Morris water maze test (MWM) and greater depression- and anxiety-like behavior during the open field test (OFT), sucrose preference test (SPT) and forced swim test (FST) than control mice. Compared with age-matched mice in the CD group, mice in the HFD group showed abnormal hippocampal neuronal morphology, which was particularly evident in the ventral hippocampus. Hippocampal microglia in mice in the HFD group generally had a more activated phenotype evidenced by a smaller microglial territory area and increased cluster of differentiation 68 (CD68, a marker of phagocytic activity) immunoreactivity, while the microglial density in the dentate gyrus (DG) was decreased, indicating microglial decline. The engulfment of postsynaptic density 95 (PSD95, a general postsynaptic marker) puncta by microglia was increased in the HFD groups. Histological analysis of neutral lipids using a fluorescent probe (BODIPY) revealed that the total neutral lipid content in regions of interests (ROIs) and the lipid load in microglia were increased in the HFD group relative to the age-matched CD group. In summary, our results demonstrated that chronic HFD consumption from young adulthood to middle age induced anxiety- and depression-like behavior as well as memory impairment. The negative influence of chronic HFD consumption on behavioral and hippocampal neuroplasticity appears to be linked to a change in microglial phenotype that is accompanied by a remarkable increase in cellular lipid accumulation. These observations highlighting the potential to target lipid metabolism deficits to reduce the risk of HFD-associated emotional dysfunctions.
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Affiliation(s)
- Hong Zhuang
- Department of Physiology, Medical College, Southeast University, Nanjing 210009, China
| | - Xiuting Yao
- Department of Physiology, Medical College, Southeast University, Nanjing 210009, China
| | - Hong Li
- School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Qian Li
- School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Chenxi Yang
- Department of Physiology, Medical College, Southeast University, Nanjing 210009, China
| | - Conghui Wang
- Department of Physiology, Medical College, Southeast University, Nanjing 210009, China
| | - Dan Xu
- School of Public Health, Southeast University, Nanjing 210009
| | - Yu Xiao
- Department of Physiology, Medical College, Southeast University, Nanjing 210009, China
| | - Yuan Gao
- Medical College, Southeast University, Nanjing 210009, China
| | - Jiayi Gao
- Medical College, Southeast University, Nanjing 210009, China
| | - Mingze Bi
- Medical College, Southeast University, Nanjing 210009, China
| | - Rui Liu
- Medical College, Southeast University, Nanjing 210009, China
| | - Gaojun Teng
- Jiangsu Key Laboratory of Molecular Imaging and Functional Imaging, Department of Radiology, Zhongda Hospital, Medical School, Southeast University, Nanjing 210009, China.
| | - Lijie Liu
- Department of Physiology, Medical College, Southeast University, Nanjing 210009, China.
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14
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Komninos D, Ramos L, van der Heijden GW, Morrison MC, Kleemann R, van Herwaarden AE, Kiliaan AJ, Arnoldussen IAC. High fat diet-induced obesity prolongs critical stages of the spermatogenic cycle in a Ldlr -/-.Leiden mouse model. Sci Rep 2022; 12:430. [PMID: 35017550 PMCID: PMC8752771 DOI: 10.1038/s41598-021-04069-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 12/10/2021] [Indexed: 02/07/2023] Open
Abstract
Obesity can disturb spermatogenesis and subsequently affect male fertility and reproduction. In our study, we aim to elucidate at which cellular level of adult spermatogenesis the detrimental effects of obesity manifest. We induced high fat diet (HFD) obesity in low-density lipoprotein receptor knock-out Leiden (Ldlr−/−.Leiden) mice, and studied the morphological structure of the testes and histologically examined the proportion of Sertoli cells, spermatocytes and spermatids in the seminiferous tubules. We examined sperm DNA damage and chromatin condensation and measured plasma levels of leptin, testosterone, cholesterol and triglycerides. HFD-induced obesity caused high plasma leptin and abnormal testosterone levels and induced an aberrant intra-tubular organisation (ITO) which is associated with an altered spermatids/spermatocytes ratio (2:1 instead of 3:1). Mice fed a HFD had a higher level of tubules in stages VII + VIII in the spermatogenic cycle. The stages VII + VII indicate crucial processes in spermatogenic development like initiation of meiosis, initiation of spermatid elongation, and release of fully matured spermatids. In conclusion, HFD-induced obese Ldlr−/−.Leiden mice develop an aberrant ITO and alterations in the spermatogenic cycle in crucial stages (stages VII and VII). Thereby, our findings stress the importance of lifestyle guidelines in infertility treatments.
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Affiliation(s)
- D Komninos
- Department of Obstetrics and Gynaecology, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - L Ramos
- Department of Obstetrics and Gynaecology, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - G W van der Heijden
- Department of Obstetrics and Gynaecology, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - M C Morrison
- Department of Metabolic Health Research, Netherlands Organisation for Applied Scientific Research (TNO), Zernikedreef 9, 2333 CK, Leiden, The Netherlands.,Department of Human and Animal Physiology, Wageningen University, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - R Kleemann
- Department of Metabolic Health Research, Netherlands Organisation for Applied Scientific Research (TNO), Zernikedreef 9, 2333 CK, Leiden, The Netherlands
| | - A E van Herwaarden
- Department of Laboratory Medicine, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - A J Kiliaan
- Department of Medical Imaging, Anatomy, Donders Institute for Brain, Cognition and Behaviour, Preclinical Imaging Center PRIME, Radboud University Medical Center, Geert Grooteplein Noord 21, 6525 EZ, Nijmegen, The Netherlands.
| | - I A C Arnoldussen
- Department of Medical Imaging, Anatomy, Donders Institute for Brain, Cognition and Behaviour, Preclinical Imaging Center PRIME, Radboud University Medical Center, Geert Grooteplein Noord 21, 6525 EZ, Nijmegen, The Netherlands
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15
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THERDTATHA P, SHINODA A, NAKAYAMA J. Crisis of the Asian gut: associations among diet, microbiota, and metabolic diseases. BIOSCIENCE OF MICROBIOTA, FOOD AND HEALTH 2022; 41:83-93. [PMID: 35854695 PMCID: PMC9246424 DOI: 10.12938/bmfh.2021-085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/16/2022] [Indexed: 11/06/2022]
Abstract
The increase of lifestyle-related diseases in Asia has recently become remarkably
serious. This has been associated with a change in dietary habits that may alter the
complex gut microbiota and its metabolic function in Asian people. Notably, the
penetration of modern Western diets into Asia, which has been accompanied by an increase
in fat content and decrease in plant-derived dietary fiber, is restructuring the Asian gut
microbiome. In this review, we introduce the current status of obesity and diabetes in
Asia and discuss the links of changes in dietary style with gut microbiota alterations
which may predispose Asian people to metabolic diseases.
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Affiliation(s)
- Phatthanaphong THERDTATHA
- Department of Innovative Science and Technology for Bio-industry, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Akari SHINODA
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Jiro NAKAYAMA
- Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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16
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Endothelial ADAM17 Expression in the Progression of Kidney Injury in an Obese Mouse Model of Pre-Diabetes. Int J Mol Sci 2021; 23:ijms23010221. [PMID: 35008648 PMCID: PMC8745741 DOI: 10.3390/ijms23010221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/17/2021] [Accepted: 12/22/2021] [Indexed: 11/16/2022] Open
Abstract
Disintegrin and metalloproteinase domain 17 (ADAM17) activates inflammatory and fibrotic processes through the shedding of various molecules such as Tumor Necrosis Factor-α (TNF-α) or Transforming Growht Factor-α (TGF-α). There is a well-recognised link between TNF-α, obesity, inflammation, and diabetes. In physiological situations, ADAM17 is expressed mainly in the distal tubular cell while, in renal damage, its expression increases throughout the kidney including the endothelium. The aim of this study was to characterize, for the first time, an experimental mouse model fed a high-fat diet (HFD) with a specific deletion of Adam17 in endothelial cells and to analyse the effects on different renal structures. Endothelial Adam17 knockout male mice and their controls were fed a high-fat diet, to induce obesity, or standard rodent chow, for 22 weeks. Glucose tolerance, urinary albumin-to-creatinine ratio, renal histology, macrophage infiltration, and galectin-3 levels were evaluated. Results showed that obese mice presented higher blood glucose levels, dysregulated glucose homeostasis, and higher body weight compared to control mice. In addition, obese wild-type mice presented an increased albumin-to-creatinine ratio; greater glomerular size and mesangial matrix expansion; and tubular fibrosis with increased galectin-3 expression. Adam17 deletion decreased the albumin-to-creatinine ratio, glomerular mesangial index, and tubular galectin-3 expression. Moreover, macrophage infiltration in the glomeruli of obese Adam17 knockout mice was reduced as compared to obese wild-type mice. In conclusion, the expression of ADAM17 in endothelial cells impacted renal inflammation, modulating the renal function and histology in an obese pre-diabetic mouse model.
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17
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Castro BBA, Foresto-Neto O, Saraiva-Camara NO, Sanders-Pinheiro H. Renal lipotoxicity: Insights from experimental models. Clin Exp Pharmacol Physiol 2021; 48:1579-1588. [PMID: 34314523 DOI: 10.1111/1440-1681.13556] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 07/13/2021] [Accepted: 07/23/2021] [Indexed: 11/29/2022]
Abstract
In recent decades, there has been a progressive increase in the prevalence of obesity and chronic kidney disease. Renal lipotoxicity has been associated with obesity. Although lipids play fundamental physiological roles, the accumulation of lipids in kidney cells may cause dysfunction and/or renal fibrosis. Adipose tissue that exceeds their lipid storage capacity begins to release triglycerides into the bloodstream that can get stored in several organs, including the kidneys. The mechanisms underlying renal lipotoxicity involve intracellular lipid accumulation and organelle dysfunction, which trigger oxidative stress and inflammation that consequently result in insulin resistance and albuminuria. However, the specific pathways involved in renal lipotoxicity have not yet been fully understood. We aimed to summarize the current knowledge on the mechanisms by which lipotoxicity affects the renal morphology and function in experimental models of obesity. The accumulation of fatty acids in tubular cells has been described as the main mechanism of lipotoxicity; however, lipids and their metabolism also affect the function and the survival of podocytes. In this review, we presented indication of mitochondrial, lysosomal and endoplasmic reticulum alterations involved in kidney damage caused by obesity. The kidney is vulnerable to lipotoxicity, and studies of the mechanisms underlying renal injury caused by obesity can help identify therapeutic targets to control renal dysfunction.
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Affiliation(s)
- Barbara Bruna Abreu Castro
- Laboratory of Experimental Nephrology, Nucleus of Animal Experimentation (NIDEAL), Centre of Reproductive Biology (CBR), Federal University of Juiz de Fora (UFJF, Juiz de Fora, Minas Gerais, Brazil
- Nephrology Division and Interdisciplinary Nucleus of Studies and Research in Nephrology (NIEPEN), Federal University of Juiz de Fora (UFJF, Juiz de Fora, Minas Gerais, Brazil
| | - Orestes Foresto-Neto
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo (USP, São Paulo, São Paulo, Brazil
| | - Niels Olsen Saraiva-Camara
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo (USP, São Paulo, São Paulo, Brazil
| | - Helady Sanders-Pinheiro
- Laboratory of Experimental Nephrology, Nucleus of Animal Experimentation (NIDEAL), Centre of Reproductive Biology (CBR), Federal University of Juiz de Fora (UFJF, Juiz de Fora, Minas Gerais, Brazil
- Nephrology Division and Interdisciplinary Nucleus of Studies and Research in Nephrology (NIEPEN), Federal University of Juiz de Fora (UFJF, Juiz de Fora, Minas Gerais, Brazil
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18
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Fotheringham AK, Solon-Biet SM, Bielefeldt-Ohmann H, McCarthy DA, McMahon AC, Ruohonen K, Li I, Sullivan MA, Whiddett RO, Borg DJ, Cogger VC, Ballard WO, Turner N, Melvin RG, Raubenheimer D, Le Couteur DG, Simpson SJ, Forbes JM. Kidney disease risk factors do not explain impacts of low dietary protein on kidney function and structure. iScience 2021; 24:103308. [PMID: 34820603 PMCID: PMC8602032 DOI: 10.1016/j.isci.2021.103308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 04/29/2021] [Accepted: 10/15/2021] [Indexed: 02/06/2023] Open
Abstract
The kidneys balance many byproducts of the metabolism of dietary components. Previous studies examining dietary effects on kidney health are generally of short duration and manipulate a single macronutrient. Here, kidney function and structure were examined in C57BL/6J mice randomized to consume one of a spectrum of macronutrient combinations (protein [5%–60%], carbohydrate [20%–75%], and fat [20%–75%]) from weaning to late-middle age (15 months). Individual and interactive impacts of macronutrients on kidney health were modeled. Dietary protein had the greatest influence on kidney function, where chronic low protein intake decreased glomerular filtration rates and kidney mass, whereas it increased kidney immune infiltration and structural injury. Kidney outcomes did not align with cardiometabolic risk factors including glucose intolerance, overweight/obesity, dyslipidemia, and hypertension in mice with chronic low protein consumption. This study highlights that protein intake over a lifespan is an important determinant of kidney function independent of cardiometabolic changes. Chronic high macronutrient intake from any source increases kidney function (GFR) Low protein intake led to greater kidney tubular structural injury and inflammation Lower protein intake decreased kidney mass and glomerular filtration capacity Kidney outcomes did not align with longevity or cardiometabolic outcomes
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Affiliation(s)
- Amelia K Fotheringham
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia
| | - Samantha M Solon-Biet
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,School of Medical Sciences, University of Sydney, Sydney 2006, NSW, Australia
| | - Helle Bielefeldt-Ohmann
- School of Veterinary Science, University of Queensland, Gatton Campus, Gatton 4343, QLD, Australia.,School of Chemistry & Molecular Biosciences, University of Queensland, Brisbane 4067, QLD, Australia
| | - Domenica A McCarthy
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia
| | - Aisling C McMahon
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,Centre for Education and Research on Aging, and Aging and Alzheimer's Institute, Concord Hospital, Sydney 2139, NSW, Australia.,ANZAC Research Institute, Concord Hospital, University of Sydney, Sydney 2139, NSW, Australia
| | - Kari Ruohonen
- Animal Nutrition and Health, Cargill, Sandnes, Norway
| | - Isaac Li
- Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia
| | - Mitchell A Sullivan
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia
| | - Rani O Whiddett
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia
| | - Danielle J Borg
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia
| | - Victoria C Cogger
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,Centre for Education and Research on Aging, and Aging and Alzheimer's Institute, Concord Hospital, Sydney 2139, NSW, Australia.,ANZAC Research Institute, Concord Hospital, University of Sydney, Sydney 2139, NSW, Australia
| | - William O Ballard
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney 2052, NSW, Australia
| | - Nigel Turner
- Department of Pharmacology, School of Medical Sciences, Faculty of Medicine, University of New South Wales Sydney, NSW 2052, Australia
| | - Richard G Melvin
- Department of Biomedical Sciences, University of Minnesota Medical School, 1035 University Drive, Duluth 55812, MN, USA
| | - David Raubenheimer
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,School of Life and Environmental Sciences, University of Sydney, NSW, Australia
| | - David G Le Couteur
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,Centre for Education and Research on Aging, and Aging and Alzheimer's Institute, Concord Hospital, Sydney 2139, NSW, Australia.,ANZAC Research Institute, Concord Hospital, University of Sydney, Sydney 2139, NSW, Australia
| | - Stephen J Simpson
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,School of Life and Environmental Sciences, University of Sydney, NSW, Australia
| | - Josephine M Forbes
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia.,Department of Medicine, University of Melbourne, Heidelberg, VIC 3084, Australia
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19
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Wan J, Feng M, Pan W, Zheng X, Xie X, Hu B, Teng C, Wang Y, Liu Z, Wu J, Cai S. Inhibitory Effects of Six Types of Tea on Aging and High-Fat Diet-Related Amyloid Formation Activities. Antioxidants (Basel) 2021; 10:1513. [PMID: 34679648 PMCID: PMC8533055 DOI: 10.3390/antiox10101513] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/20/2021] [Accepted: 09/20/2021] [Indexed: 01/02/2023] Open
Abstract
Aging and lipid metabolism disorders promote the formation and accumulation of amyloid with β-sheet structure, closely related to cardiovascular disease, senile dementia, type 2 diabetes, and other senile degenerative diseases. In this study, five representative teas were selected from each of the six types of tea, and a total of 30 teas were selected to evaluate the inhibitory activities on the formation of aging-related amyloid in vitro. The results showed that the 30 teas had a significant inhibitory effect on the formation activity on aging-related amyloid at the protein level in vitro. Although the content of catechins is relatively low, black tea and dark tea still have significant antioxidant activity and inhibit the formation of amyloid. A high-fat diet established the model of lipid metabolism disorder in premature aging SAMP8 mice, and these mice were gavaged different tea water extracts. The results showed that different tea types have a significant inhibitory effect on the formation of β-amyloid and Aβ42 mediated by age-related lipid metabolism disorders, and the in vivo activity of fully fermented teas was better than that of green tea. The action mechanism was related to antioxidation, anti-inflammatory, and improving lipid metabolism.
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Affiliation(s)
- Juan Wan
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Meiyan Feng
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Wenjing Pan
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Xin Zheng
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Xinya Xie
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Baozhu Hu
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Cuiqin Teng
- Wuzhou Institute of Agricultural, Wuzhou 543003, China; (C.T.); (J.W.)
| | - Yingzi Wang
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Zhonghua Liu
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
| | - Jianhua Wu
- Wuzhou Institute of Agricultural, Wuzhou 543003, China; (C.T.); (J.W.)
| | - Shuxian Cai
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China; (J.W.); (M.F.); (W.P.); (X.Z.); (X.X.); (B.H.); (Y.W.)
- Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
- Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha 410128, China
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20
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Withaar C, Lam CSP, Schiattarella GG, de Boer RA, Meems LMG. Heart failure with preserved ejection fraction in humans and mice: embracing clinical complexity in mouse models. Eur Heart J 2021; 42:4420-4430. [PMID: 34414416 PMCID: PMC8599003 DOI: 10.1093/eurheartj/ehab389] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/15/2021] [Accepted: 06/02/2021] [Indexed: 02/06/2023] Open
Abstract
Heart failure (HF) with preserved ejection fraction (HFpEF) is a multifactorial disease accounting for a large and increasing proportion of all clinical HF presentations. As a clinical syndrome, HFpEF is characterized by typical signs and symptoms of HF, a distinct cardiac phenotype and raised natriuretic peptides. Non-cardiac comorbidities frequently co-exist and contribute to the pathophysiology of HFpEF. To date, no therapy has proven to improve outcomes in HFpEF, with drug development hampered, at least partly, by lack of consensus on appropriate standards for pre-clinical HFpEF models. Recently, two clinical algorithms (HFA-PEFF and H2FPEF scores) have been developed to improve and standardize the diagnosis of HFpEF. In this review, we evaluate the translational utility of HFpEF mouse models in the context of these HFpEF scores. We systematically recorded evidence of symptoms and signs of HF or clinical HFpEF features and included several cardiac and extra-cardiac parameters as well as age and sex for each HFpEF mouse model. We found that most of the pre-clinical HFpEF models do not meet the HFpEF clinical criteria, although some multifactorial models resemble human HFpEF to a reasonable extent. We therefore conclude that to optimize the translational value of mouse models to human HFpEF, a novel approach for the development of pre-clinical HFpEF models is needed, taking into account the complex HFpEF pathophysiology in humans.
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Affiliation(s)
- Coenraad Withaar
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Carolyn S P Lam
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands.,National University Heart Centre, Singapore and Duke-National University of Singapore
| | - Gabriele G Schiattarella
- Translational Approaches in Heart Failure and Cardiometabolic Disease, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany.,Department of Cardiology, Center for Cardiovascular Research (CCR), Charité - Universitätsmedizin Berlin, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany.,Division of Cardiology, Department of Advanced Biomedical Sciences, Federico II University, Naples, Italy.,Department of Internal Medicine (Cardiology), University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Rudolf A de Boer
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Laura M G Meems
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
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21
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Kanthe PS, Patil BS, Das KK. Terminalia arjuna supplementation ameliorates high fat diet-induced oxidative stress in nephrotoxic rats. J Basic Clin Physiol Pharmacol 2021; 33:409-417. [PMID: 33743558 DOI: 10.1515/jbcpp-2020-0106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 01/24/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVES Dietary high fat possibly causes oxidative stress; also it makes deleterious effect on kidney functions and land up in lipotoxicity in renal tissue. Lipotoxicity is the pathological situation where lipid Peroxidation occurs and generates reactive oxygen species (ROS). Overproduction of ROS than antioxidant present in tissues cause oxidative stress. Terminalia arjuna is found to be potential antioxidant that counteract oxidative stress and possibly maintain glomerular integrity. METHODS Ethanolic extract of T. arjuna (ETO) was prepared and phytochemical analysis was done. Rats were divided into four groups, having six rats in each group as following; group 1-Control (20% fat); group 2 (ETO 100 mg/kg/b.wt); group 3 (30% fat) and group 4 (30% fat + ETO 100 mg/kg/b.wt). Dietary and ETO supplementation were continued for 21 days. Gravimetric, kidney functions (blood urea and serum creatinine) and oxidative stress markers like MDA, SOD and GSH were evaluated. Histopathological analysis was done on kidney along with measurement of glomerular integrity. Morphometrical analysis of glomerular integrity was evaluated by measuring glomerular length, width, glomerular area and Bowman's capsule radius. One way ANOVA was done for analysis of data. RESULTS Blood urea and serum creatinine levels were significantly higher in high fat fed rats indicating renal dysfunction. High fat diet showed significant increase in MDA, decrease in SOD and GSH in rats fed with high fat diet, which indicate generation of oxidative stress. Supplementation of ETO showed amelioratic effect against high fat diet induced renal dysfunction and oxidative stress. Histopathological findings were significantly corroborated with morphometrical analysis of glomerular integrity. CONCLUSIONS Ethanolic extracts of T. arjuna supplementation found to be beneficial against high fat induced renal alterations in terms of functions and architecture.
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Affiliation(s)
- Pallavi S Kanthe
- Physiology, Shri BM Patil Medical College, Bijapur, Karnataka, India
| | | | - Kusal K Das
- Physiology, Shri BM Patil Medical College, Bijapur, Karnataka, India
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22
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SR-BI deficiency disassociates obesity from hepatic steatosis and glucose intolerance development in high fat diet-fed mice. J Nutr Biochem 2021; 89:108564. [DOI: 10.1016/j.jnutbio.2020.108564] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 11/24/2020] [Accepted: 11/24/2020] [Indexed: 01/05/2023]
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23
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Hinden L, Kogot-Levin A, Tam J, Leibowitz G. Pathogenesis of diabesity-induced kidney disease: role of kidney nutrient sensing. FEBS J 2021; 289:901-921. [PMID: 33630415 DOI: 10.1111/febs.15790] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/09/2021] [Accepted: 02/24/2021] [Indexed: 12/11/2022]
Abstract
Diabetes kidney disease (DKD) is a major healthcare problem associated with increased risk for developing end-stage kidney disease and high mortality. It is widely accepted that DKD is primarily a glomerular disease. Recent findings however suggest that kidney proximal tubule cells (KPTCs) may play a central role in the pathophysiology of DKD. In diabetes and obesity, KPTCs are exposed to nutrient overload, including glucose, free-fatty acids and amino acids, which dysregulate nutrient and energy sensing by mechanistic target of rapamycin complex 1 and AMP-activated protein kinase, with subsequent induction of tubular injury, inflammation, and fibrosis. Pharmacological treatments that modulate nutrient sensing and signaling in KPTCs, including cannabinoid-1 receptor antagonists and sodium glucose transporter 2 inhibitors, exert robust kidney protective effects. Shedding light on how nutrients are sensed and metabolized in KPTCs and in other kidney domains, and on their effects on signal transduction pathways that mediate kidney injury, is important for understanding the pathophysiology of DKD and for the development of novel therapeutic approaches in DKD and probably also in other forms of kidney disease.
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Affiliation(s)
- Liad Hinden
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Aviram Kogot-Levin
- Diabetes Unit and Endocrine Service, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Joseph Tam
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Gil Leibowitz
- Diabetes Unit and Endocrine Service, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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24
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Won Y, Yang JI, Park S, Chun JS. Lipopolysaccharide Binding Protein and CD14, Cofactors of Toll-like Receptors, Are Essential for Low-Grade Inflammation-Induced Exacerbation of Cartilage Damage in Mouse Models of Posttraumatic Osteoarthritis. Arthritis Rheumatol 2021; 73:1451-1460. [PMID: 33559324 PMCID: PMC8362181 DOI: 10.1002/art.41679] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 01/28/2021] [Indexed: 12/11/2022]
Abstract
Objective Osteoarthritis (OA) is initiated by pathogenic factors produced by multiple stimuli, including mechanical stress, metabolic stress, and/or inflammaging. This study was undertaken to identify novel low‐grade inflammation–associated pathogenic mediators of OA. Methods Candidate pathogenic molecules were screened using microarray data obtained from chondrocytes exposed to OA‐associated catabolic factors. In mice with OA generated by destabilization of the medial meniscus (DMM), low‐grade inflammation was induced by a high‐fat diet or endotoxemia. Functions of candidate molecules in OA pathogenesis were examined using primary‐culture chondrocytes from mice with DMM‐induced OA, following intraarticular injection of adenovirus expressing the candidate gene. Specific functions of candidate genes were evaluated using whole‐body gene‐knockout mice. Results Bioinformatics analysis identified multiple candidate pathogenic factors that were associated with low‐grade inflammation, including components of the Toll‐like receptor (TLR) signaling pathways (e.g., TLR‐2, TLR‐4, lipopolysaccharide binding protein [LBP], and CD14). Overexpression of the individual TLR signaling components in mouse joint tissue did not alter cartilage homeostasis. However, the low‐grade inflammation induced by a high‐fat diet or endotoxemia markedly enhanced posttraumatic OA cartilage destruction in mice, and this exacerbation of cartilage destruction was significantly abrogated in LBP−/− and CD14−/− mice. Additionally, LBP and CD14 were found to be necessary for the expression of matrix‐degrading enzymes in mouse chondrocytes treated with proinflammatory cytokines. Conclusion LBP and CD14, which are accessory molecules of TLRs, are necessary for the exacerbation of posttraumatic OA cartilage destruction resulting from low‐grade inflammation, such as that triggered by a high‐fat diet or endotoxemia.
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Affiliation(s)
- Yoonkyung Won
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Jeong-In Yang
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Seulki Park
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Jang-Soo Chun
- National Creative Research Initiatives Center for Osteoarthritis Pathogenesis and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
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25
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Preguiça I, Alves A, Nunes S, Fernandes R, Gomes P, Viana SD, Reis F. Diet-induced rodent models of obesity-related metabolic disorders-A guide to a translational perspective. Obes Rev 2020; 21:e13081. [PMID: 32691524 DOI: 10.1111/obr.13081] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/12/2020] [Accepted: 05/28/2020] [Indexed: 12/12/2022]
Abstract
Diet is a critical element determining human health and diseases, and unbalanced food habits are major risk factors for the development of obesity and related metabolic disorders. Despite technological and pharmacological advances, as well as intensification of awareness campaigns, the prevalence of metabolic disorders worldwide is still increasing. Thus, novel therapeutic approaches with increased efficacy are urgently required, which often depends on cellular and molecular investigations using robust animal models. In the absence of perfect rodent models, those induced by excessive consumption of fat and sugars better replicate the key aspects that are the root causes of human metabolic diseases. However, the results obtained using these models cannot be directly compared, particularly because of the use of different dietary protocols, and animal species and strains, among other confounding factors. This review article revisits diet-induced models of obesity and related metabolic disorders, namely, metabolic syndrome, prediabetes, diabetes and nonalcoholic fatty liver disease. A critical analysis focused on the main pathophysiological features of rodent models, as opposed to the criteria defined for humans, is provided as a practical guide with a translational perspective for the establishment of animal models of obesity-related metabolic diseases.
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Affiliation(s)
- Inês Preguiça
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal
| | - André Alves
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal
| | - Sara Nunes
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal
| | - Rosa Fernandes
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal
| | - Pedro Gomes
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal.,Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Center for Health Technology and Services Research (CINTESIS), University of Porto, Porto, Portugal
| | - Sofia D Viana
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal.,ESTESC-Coimbra Health School, Pharmacy, Polytechnic Institute of Coimbra, Coimbra, Portugal
| | - Flávio Reis
- Institute of Pharmacology and Experimental Therapeutics, and Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), University of Coimbra, Coimbra, Portugal
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26
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Rayhan MA, Islam MK, Khatun MA, Islam D, Rahman MN. Remedial role of exercise training to deep-fried oil-induced metabolic and histological changes in Wistar rats. J Food Biochem 2020; 44:e13458. [PMID: 32869884 DOI: 10.1111/jfbc.13458] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/30/2020] [Accepted: 08/11/2020] [Indexed: 11/29/2022]
Abstract
Exercise training is a well-known lifestyle to maintain good health. The present study was conducted to explore the effect of regular exercise training (for 15 min) on biochemical, physiological, and histological changes in fried oil intake (5 g/kg body weight, for 5 weeks) with or without raw oil supplementation. Liver disease and heart muscle injury were accounted for by significant (p < .05) increase in liver and heart biomarker enzymes in serum. Creatinine and urea level were also significantly increased in the fried oil-fed group as a sign of kidney injury. But all the biological markers including triglycerides, low-density lipoprotein cholesterol (LDL-C) was decreased significantly (p < .05) in the exercise-trained rat group. These metabolic changes were substantiated by the histological study of respective organs. Therefore, people should avoid repeatedly deep-fried oil consumption rather than fresh ones though regular exercise training has been found to resolve these metabolic abnormalities. PRACTICAL APPLICATIONS: Exercise training is a common practice to reduce the onset of some metabolic abnormalities for example cardiovascular disease, non-alcoholic fatty liver disease, chronic kidney disease, and also prevents various cell and tissue damages. Repeated frying of vegetable oil not only reduces its nutritional value but also produce free fatty acids and other toxic compounds. The present study revealed that repeatedly heated vegetable oil consumption causes injuries in the heart, liver, kidney, and small intestine by the oxidative products. As a result, the level of biomarkers of these responsive organs was found to be elevated. But regular exercise training ameliorated these detrimental effects. So, in terms of public health concern, regular exercise is one of the best ways to keep the body fit especially those who are consuming deep-fried oil.
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Affiliation(s)
- Md Abu Rayhan
- Laboratory of Lipid Research and Exercise Biochemistry, Department of Biochemistry and Molecular Biology, Jahangirnagar University, Dhaka, Bangladesh
| | - Md Kamrul Islam
- Laboratory of Lipid Research and Exercise Biochemistry, Department of Biochemistry and Molecular Biology, Jahangirnagar University, Dhaka, Bangladesh
| | - Mst Afifa Khatun
- Food Safety and Quality Analysis Division, Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh
| | - Dipa Islam
- Institute of Food Science and Technology, Bangladesh Council of Scientific and Industrial Research, Dhaka, Bangladesh
| | - Md Nazibur Rahman
- Laboratory of Lipid Research and Exercise Biochemistry, Department of Biochemistry and Molecular Biology, Jahangirnagar University, Dhaka, Bangladesh
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27
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Bloom SI, Tuluca A, Ives SJ, Reynolds TH. High-fat diet induced obesity and age influence the telomere shelterin complex and telomerase gene expression in mouse adipose tissue. Physiol Rep 2020; 8:e14461. [PMID: 32512652 PMCID: PMC7280005 DOI: 10.14814/phy2.14461] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/02/2020] [Accepted: 05/03/2020] [Indexed: 12/15/2022] Open
Abstract
Obesity and aging are linked to inflammation and increased risk of chronic disease. Telomeres are the endcaps of chromosomes that are regulated by telomerase, the enzyme that elongates telomeres, as well as a protein complex known as shelterin. Telomere dysfunction is associated with inflammation, aging, and disease. However, the effect of high-fat diet (HFD) induced obesity and advancing age on the shelterin complex and telomerase in adipose tissue is unknown. The present study investigated the effects of obesity and aging on C57BL/6J mice adipose tissue mRNA expression of shelterin complex genes. Young (YG) mice (3 mo) were randomly assigned to be fed either a high-fat diet (YG + HFD; 60% kcal from fat) or a low-fat diet (YG + LFD; 10% kcal from fat). A subset of mice were aged until 16 months. Body weight and epididymal white adipose tissue (EWAT) weight increased with age or a HFD. There was a trend for increased Terf2 expression, as expression was increased in HFD + YG by ~47% and aged mice by ~80%. Pot1b expression was increased in aged mice by ~35%-60% compared to YG, independent of diet. mTert, the gene that codes for the catalytic subunit of telomerase, was significantly elevated in aged mice. Changes in telomere associated gene expression was accompanied by changes in expression of inflammatory markers Mcp1 and Tnfα. These findings suggest obesity and age impact expression of shelterin complex and telomerase related genes in adipose, perhaps altering telomere function in adipose tissue thereby increasing inflammation and risk of chronic disease.
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Affiliation(s)
- Samuel I. Bloom
- Department of Health and Human Physiological SciencesSkidmore CollegeSaratoga SpringsNYUSA
- Department of Nutrition and Integrative PhysiologyUniversity of UtahSalt Lake CityUTUSA
| | - Andrei Tuluca
- Department of Health and Human Physiological SciencesSkidmore CollegeSaratoga SpringsNYUSA
- College of MedicineCentral Michigan UniversityMount PleasantMIUSA
| | - Stephen J. Ives
- Department of Health and Human Physiological SciencesSkidmore CollegeSaratoga SpringsNYUSA
| | - Thomas H. Reynolds
- Department of Health and Human Physiological SciencesSkidmore CollegeSaratoga SpringsNYUSA
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28
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Iwata W, Unoki-Kubota H, Kato H, Shimizu A, Matsumoto M, Imasawa T, Igarashi A, Matsumoto K, Noda T, Terauchi Y, Nangaku M, Kasuga M, Kaburagi Y. Podocyte-specific deletion of tubular sclerosis complex 2 promotes focal segmental glomerulosclerosis and progressive renal failure. PLoS One 2020; 15:e0229397. [PMID: 32191726 PMCID: PMC7082048 DOI: 10.1371/journal.pone.0229397] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 02/05/2020] [Indexed: 02/06/2023] Open
Abstract
Obesity can initiate and accelerate the progression of kidney diseases. However, it remains unclear how obesity affects renal dysfunction. Here, we show that a newly generated podocyte-specific tubular sclerosis complex 2 (Tsc2) knockout mouse model (Tsc2Δpodocyte) develops proteinuria and dies due to end-stage renal dysfunction by 10 weeks of age. Tsc2Δpodocyte mice exhibit an increased glomerular size and focal segmental glomerulosclerosis, including podocyte foot process effacement, mesangial sclerosis and proteinaceous casts. Podocytes isolated from Tsc2Δpodocyte mice show nuclear factor, erythroid derived 2, like 2-mediated increased oxidative stress response on microarray analysis and their autophagic activity is lowered through the mammalian target of rapamycin (mTOR)-unc-51-like kinase 1 pathway. Rapamycin attenuated podocyte dysfunction and extends survival in Tsc2Δpodocyte mice. Additionally, mTOR complex 1 (mTORC1) activity is increased in podocytes of renal biopsy specimens obtained from obese patients with chronic kidney disease. Our work shows that mTORC1 hyperactivation in podocytes leads to severe renal dysfunction and that inhibition of mTORC1 activity in podocytes could be a key therapeutic target for obesity-related kidney diseases.
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Affiliation(s)
- Wakiko Iwata
- Department of Diabetic Complications, Diabetes Research Center, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan
- Department of Endocrinology and Metabolism, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Hiroyuki Unoki-Kubota
- Department of Diabetic Complications, Diabetes Research Center, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan
| | - Hideki Kato
- Division of Nephrology and Endocrinology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Akira Shimizu
- Department of Analytic Human Pathology, Nippon Medical School, Tokyo, Japan
| | - Michihiro Matsumoto
- Department of Molecular Metabolic Regulation, Diabetes Research Center, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan
| | - Toshiyuki Imasawa
- Kidney Center, National Hospital Organization Chiba-Higashi National Hospital, Chiba, Japan
| | - Arisa Igarashi
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Kenji Matsumoto
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Tetsuo Noda
- Cancer Institute of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yasuo Terauchi
- Department of Endocrinology and Metabolism, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Masato Kasuga
- National Center for Global Health and Medicine, Tokyo, Japan
| | - Yasushi Kaburagi
- Department of Diabetic Complications, Diabetes Research Center, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan
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29
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Rusetskaya NY, Fedotov IV, Koftina VA, Borodulin VB. Selenium Compounds in Redox Regulation of Inflammation and Apoptosis. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES B: BIOMEDICAL CHEMISTRY 2019. [DOI: 10.1134/s1990750819040085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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30
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Shamseldeen AM, Ali Eshra M, Ahmed Rashed L, Fathy Amer M, Elham Fares A, Samir Kamar S. Omega-3 attenuates high fat diet-induced kidney injury of female rats and renal programming of their offsprings. Arch Physiol Biochem 2019; 125:367-377. [PMID: 29741967 DOI: 10.1080/13813455.2018.1471511] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Context: Maternal diet composition could influence fetal organogenesis. Objective: We investigated effects of high fat diet (HFD) intake alone or combined with omega 3 during pregnancy, lactation and early days of weaning on nephrogenesis of pups and maternal renal function and morphology. Material and methods: Mothers and their pups included in each group were supplied with the same diet composition. Rats were divided into group I, II and III supplied with chow of either 10 kcal%, 45 kcal% or 45 kcal% from fat together with omega-3 respectively. Results: Group II showed increased serum urea and creatinine, renal TNF-α, IL1β. Structural injury was observed in mothers and their pups as Bowman's capsule and tubular dilatation and increased expression of PCNA that were decreased following omega-3 supplementation added to down regulation of Wnt4, Pax2 gene and podocin expression. Discussion and conclusion: Omega-3 supplementation improves lipid nephrotoxicity observed in mothers and their pups.
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Affiliation(s)
| | - Mohammed Ali Eshra
- a Department of Physiology Faculty of Medicine, Cairo University , Cairo , Egypt
| | - Laila Ahmed Rashed
- b Department of Biochemistry Faculty of Medicine, Cairo University , Cairo , Egypt
| | - Marwa Fathy Amer
- b Department of Biochemistry Faculty of Medicine, Cairo University , Cairo , Egypt
| | - Amal Elham Fares
- c Department of Medical Histology Faculty of Medicine, Cairo University , Cairo , Egypt
| | - Samaa Samir Kamar
- c Department of Medical Histology Faculty of Medicine, Cairo University , Cairo , Egypt
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Rusetskaya NY, Fedotov IV, Koftina VA, Borodulin VB. [Selenium compounds in redox regulation of inflammation and apoptosis]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2019; 65:165-179. [PMID: 31258141 DOI: 10.18097/pbmc20196503165] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Monocytes and macrophages play a key role in the development of inflammation: under the action of lipopolysaccharides (LPS), absorbed from the intestine, monocytes and macrophages form reactive oxygen species (ROS) and cytokines, this leads to the development of oxidative stress, inflammation and/or apoptosis in all types of tissues. In the cells LPS induce an "internal" TLR4-mediated MAP-kinase inflammatory signaling pathway and cytokines through the superfamily of tumor necrosis factor receptor (TNFR) and the "death domain" (DD) initiate an "external" caspase apoptosis cascade or necrosis activation that causes necroptosis. Many of the proteins involved in intracellular signaling cascades (MYD88, ASK1, IKKa/b, NF-kB, AP-1) are redox-sensitive and their activity is regulated by antioxidants thioredoxin, glutaredoxin, nitroredoxin, and glutathione. Oxidation of these signaling proteins induced by ROS enhances the development of inflammation and apoptosis, and their reduction with antioxidants, on the contrary, stabilizes the signaling cascades speed, preventing the vicious circle of oxidative stress, inflammation and apoptosis that follows it. Antioxidant (AO) enzymes thioredoxin reductase (TRXR), glutaredoxin reductase (GLRXR), glutathione reductase (GR) are required for reduction of non-enzymatic antioxidants (thioredoxin, glutaredoxin, nitroredoxin, glutathione), and AO enzymes (SOD, catalase, GPX) are required for ROS deactivation. The key AO enzymes (TRXR and GPX) are selenium-dependent; therefore selenium deficiency leads to a decrease in the body's antioxidant defense, the development of oxidative stress, inflammation, and/or apoptosis in various cell types. Nrf2-Keap1 signaling pathway activated by selenium deficiency and/or oxidative stress is necessary to restore redox homeostasis in the cell. In addition, expression of some genes is changed with selenium deficiency. Consequently, growth and proliferation of cells, their movement, development, death, and survival, as well as the interaction between cells, the redox regulation of intracellular signaling cascades of inflammation and apoptosis, depend on the selenium status of the body. Prophylactic administration of selenium-containing preparations (natural and synthetic (organic and inorganic)) is able to normalize the activity of AO enzymes and the general status of the body. Organic selenium compounds have a high bioavailability and, depending on their concentration, can act both as selenium donors to prevent selenium deficiency and as antitumor drugs due to their toxicity and participation in the regulation of signaling pathways of apoptosis. Known selenorganic compounds diphenyldiselenide and ethaselen share similarity with the Russian organo selenium compound, diacetophenonylselenide (DAPS-25), which serves as a source of bioavailable selenium, exhibits a wide range of biological activity, including antioxidant activity, that governs cell redox balance, inflammation and apoptosis regulation.
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Affiliation(s)
- N Y Rusetskaya
- Razumovsky Saratov State Medical University, Saratov, Russia
| | - I V Fedotov
- Razumovsky Saratov State Medical University, Saratov, Russia
| | - V A Koftina
- Razumovsky Saratov State Medical University, Saratov, Russia
| | - V B Borodulin
- Razumovsky Saratov State Medical University, Saratov, Russia
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Komegae EN, Fonseca MT, da Silveira Cruz-Machado S, Turato WM, Filgueiras LR, Markus RP, Steiner AA. Site-Specific Reprogramming of Macrophage Responsiveness to Bacterial Lipopolysaccharide in Obesity. Front Immunol 2019; 10:1496. [PMID: 31316525 PMCID: PMC6611339 DOI: 10.3389/fimmu.2019.01496] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 06/14/2019] [Indexed: 12/14/2022] Open
Abstract
The mechanisms by which obesity may alter immune responses to pathogens are poorly understood. The present study assessed whether the intrinsic responsiveness of resident macrophages to bacterial lipopolysaccharide (LPS) is reprogrammed in high-fat diet (HFD)-induced obesity. Macrophages from adipose tissue, lung alveoli, and the peritoneal cavity were extracted from obese rats on a HFD or from their lean counterparts, and subsequently studied in culture under identical conditions. CD45+/CD68+ cells (macrophages) were abundant in all cultures, and became the main producers of TNF-α upon LPS stimulation. But although all macrophage subpopulations responded to LPS with an M1-like profile of cytokine secretion, the TNF-α/IL-10 ratio was the lowest in adipose tissue macrophages, the highest in alveolar macrophages, and intermediary in peritoneal macrophages. What is more, diet exerted qualitatively distinct effects on the cytokine responses to LPS, with obesity switching adipose tissue macrophages to a more pro-inflammatory program and peritoneal macrophages to a less pro-inflammatory program, while not affecting alveolar macrophages. Such reprogramming was not associated with changes in the inflammasome-dependent secretion of IL-1β. The study further shows that the effects of diet on TNF-α/IL-10 ratios were linked to distinct patterns of NF-κB accumulation in the nucleus: while RelA was the NF-κB subunit most impacted by obesity in adipose tissue macrophages, cRel was the subunit affected in peritoneal macrophages. It is concluded that obesity causes dissimilar, site-specific changes in the responsiveness of resident macrophages to bacterial LPS. Such plasticity opens new avenues of investigation into the mechanisms linking obesity to pathogen-induced immune responses.
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Affiliation(s)
- Evilin N Komegae
- Neuroimmunology of Sepsis Laboratory, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Monique T Fonseca
- Neuroimmunology of Sepsis Laboratory, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Walter M Turato
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Luciano R Filgueiras
- Neuroimmunology of Sepsis Laboratory, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Regina P Markus
- Laboratory of Chronopharmacology, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Alexandre A Steiner
- Neuroimmunology of Sepsis Laboratory, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
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Declèves AE, Mathew AV, Armando AM, Han X, Dennis EA, Quehenberger O, Sharma K. AMP-activated protein kinase activation ameliorates eicosanoid dysregulation in high-fat-induced kidney disease in mice. J Lipid Res 2019; 60:937-952. [PMID: 30862696 PMCID: PMC6495162 DOI: 10.1194/jlr.m088690] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 02/28/2019] [Indexed: 12/15/2022] Open
Abstract
High-fat diet (HFD) causes renal lipotoxicity that is ameliorated with AMP-activated protein kinase (AMPK) activation. Although bioactive eicosanoids increase with HFD and are essential in regulation of renal disease, their role in the inflammatory response to HFD-induced kidney disease and their modulation by AMPK activation remain unexplored. In a mouse model, we explored the effects of HFD on eicosanoid synthesis and the role of AMPK activation in ameliorating these changes. We used targeted lipidomic profiling with quantitative MS to determine PUFA and eicosanoid content in kidneys, urine, and renal arterial and venous circulation. HFD increased phospholipase expression as well as the total and free pro-inflammatory arachidonic acid (AA) and anti-inflammatory DHA in kidneys. Consistent with the parent PUFA levels, the AA- and DHA-derived lipoxygenase (LOX), cytochrome P450, and nonenzymatic degradation (NE) metabolites increased in kidneys with HFD, while EPA-derived LOX and NE metabolites decreased. Conversely, treatment with 5-aminoimidazole-4-carboxamide-1-β-D-furanosyl 5'-monophosphate (AICAR), an AMPK activator, reduced the free AA and DHA content and the DHA-derived metabolites in kidney. Interestingly, kidney and circulating AA, AA metabolites, EPA-derived LOX, and NE metabolites are increased with HFD; whereas, DHA metabolites are increased in kidney in contrast to their decreased circulating levels with HFD. Together, these changes showcase HFD-induced pro- and anti-inflammatory eicosanoid dysregulation and highlight the role of AMPK in correcting HFD-induced dysregulated eicosanoid pathways.
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Affiliation(s)
- Anne-Emilie Declèves
- Institute of Metabolomic Medicine University of California, San Diego, La Jolla, CA; Laboratory of Metabolic and Molecular Biochemistry Faculty of Medicine, Université of Mons, Mons, Belgium.
| | - Anna V Mathew
- Division of Nephrology Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Aaron M Armando
- Departments of Pharmacology, University of California, San Diego, La Jolla, CA
| | - Xianlin Han
- Barshop Institute of Aging, Department of Medicine University of Texas Health San Antonio, San Antonio, TX
| | - Edward A Dennis
- Departments of Pharmacology, University of California, San Diego, La Jolla, CA; Chemistry and Biochemistry University of California, San Diego, La Jolla, CA
| | - Oswald Quehenberger
- Departments of Pharmacology, University of California, San Diego, La Jolla, CA; Medicine, University of California, San Diego, La Jolla, CA
| | - Kumar Sharma
- Institute of Metabolomic Medicine University of California, San Diego, La Jolla, CA; Center for Renal Precision Medicine, Division of Nephrology, Department of Medicine University of Texas Health San Antonio, San Antonio, TX
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Obniski R, Sieber M, Spradling AC. Dietary Lipids Modulate Notch Signaling and Influence Adult Intestinal Development and Metabolism in Drosophila. Dev Cell 2018; 47:98-111.e5. [PMID: 30220569 PMCID: PMC6894183 DOI: 10.1016/j.devcel.2018.08.013] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 06/14/2018] [Accepted: 08/16/2018] [Indexed: 12/30/2022]
Abstract
Tissue homeostasis involves a complex balance of developmental signals and environmental cues that dictate stem cell function. We found that dietary lipids control enteroendocrine cell production from Drosophila posterior midgut stem cells. Dietary cholesterol influences new intestinal cell differentiation in an Hr96-dependent manner by altering the level and duration of Notch signaling. Exogenous lipids modulate Delta ligand and Notch extracellular domain stability and alter their trafficking in endosomal vesicles. Lipid-modulated Notch signaling occurs in other nutrient-dependent tissues, suggesting that Delta trafficking in many cells is sensitive to cellular sterol levels. These diet-mediated alterations in young animals contribute to a metabolic program that persists after the diet changes. A low-sterol diet also slows the proliferation of enteroendocrine tumors initiated by Notch pathway disruption. Thus, a specific dietary nutrient can modify a key intercellular signaling pathway to shift stem cell differentiation and cause lasting changes in tissue structure and physiology.
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Affiliation(s)
- Rebecca Obniski
- Department of Embryology, Howard Hughes Medical Institute Research Laboratories, Carnegie Institution for Science, 3520 San Martin Drive, Baltimore, MD 21218, USA
| | - Matthew Sieber
- Department of Embryology, Howard Hughes Medical Institute Research Laboratories, Carnegie Institution for Science, 3520 San Martin Drive, Baltimore, MD 21218, USA; Department of Physiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9040, USA
| | - Allan C Spradling
- Department of Embryology, Howard Hughes Medical Institute Research Laboratories, Carnegie Institution for Science, 3520 San Martin Drive, Baltimore, MD 21218, USA.
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Setayesh T, Nersesyan A, Mišík M, Noorizadeh R, Haslinger E, Javaheri T, Lang E, Grusch M, Huber W, Haslberger A, Knasmüller S. Gallic acid, a common dietary phenolic protects against high fat diet induced DNA damage. Eur J Nutr 2018; 58:2315-2326. [PMID: 30039436 PMCID: PMC6689278 DOI: 10.1007/s00394-018-1782-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 07/15/2018] [Indexed: 12/20/2022]
Abstract
Purpose Aim of the study was to find out if gallic acid (GA), a common phenolic in plant foods, prevents obesity induced DNA damage which plays a key role in the induction of overweight associated cancer. Methods Male and female C57BL6/J mice were fed with a low fat or a high fat diet (HFD). The HFD group received different doses GA (0, 2.6–20 mg/kg b.w./day) in the drinking water for 1 week. Subsequently, alterations of the genetic stability in blood and inner organs were monitored in single cell gel electrophoresis assays. To elucidate the underlying molecular mechanisms: oxidized DNA bases, alterations of the redox status, lipid and glucose metabolism, cytokine levels and hepatic NF-κB activity were monitored. Results HFD fed animals had higher body weights; increased DNA damage and oxidation of DNA bases damage were detected in colon, liver and brain but not in blood and white adipose tissue. Furthermore, elevated concentrations of insulin, glucose, triglycerides, MCP-1, TNF-α and NF-κB activity were observed in this group. Small amounts of GA, in the range of human consumption, caused DNA protection and reduced oxidation of DNA bases, as well as biochemical and inflammatory parameters. Conclusions Obese animals have increased DNA damage due to oxidation of DNA bases. This effect is probably caused by increased levels of glucose and insulin. The effects of GA can be explained by its hypoglycaemic properties and indicate that the consumption of GA-rich foods prevents adverse health effects in obese individuals. Electronic supplementary material The online version of this article (10.1007/s00394-018-1782-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tahereh Setayesh
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Armen Nersesyan
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Miroslav Mišík
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Rahil Noorizadeh
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria.,Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Elisabeth Haslinger
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Tahereh Javaheri
- Ludwig Boltzmann Institute for Cancer Research, Vienna, Austria.,Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Elisabeth Lang
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Michael Grusch
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Wolfgang Huber
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | | | - Siegfried Knasmüller
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria.
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Kataoka S, Norikura T, Sato S. Maternal green tea polyphenol intake during lactation attenuates kidney injury in high-fat-diet-fed male offspring programmed by maternal protein restriction in rats. J Nutr Biochem 2018. [DOI: 10.1016/j.jnutbio.2018.01.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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37
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Yin Z, Raj DD, Schaafsma W, van der Heijden RA, Kooistra SM, Reijne AC, Zhang X, Moser J, Brouwer N, Heeringa P, Yi CX, van Dijk G, Laman JD, Boddeke EWGM, Eggen BJL. Low-Fat Diet With Caloric Restriction Reduces White Matter Microglia Activation During Aging. Front Mol Neurosci 2018; 11:65. [PMID: 29593493 PMCID: PMC5857900 DOI: 10.3389/fnmol.2018.00065] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 02/15/2018] [Indexed: 12/31/2022] Open
Abstract
Rodent models of both aging and obesity are characterized by inflammation in specific brain regions, notably the corpus callosum, fornix, and hypothalamus. Microglia, the resident macrophages of the central nervous system, are important for brain development, neural support, and homeostasis. However, the effects of diet and lifestyle on microglia during aging are only partly understood. Here, we report alterations in microglia phenotype and functions in different brain regions of mice on a high-fat diet (HFD) or low-fat diet (LFD) during aging and in response to voluntary running wheel exercise. We compared the expression levels of genes involved in immune response, phagocytosis, and metabolism in the hypothalamus of 6-month-old HFD and LFD mice. We also compared the immune response of microglia from HFD or LFD mice to peripheral inflammation induced by intraperitoneal injection of lipopolysaccharide (LPS). Finally, we investigated the effect of diet, physical exercise, and caloric restriction (40% reduction compared to ad libitum intake) on microglia in 24-month-old HFD and LFD mice. Changes in diet caused morphological changes in microglia, but did not change the microglia response to LPS-induced systemic inflammation. Expression of phagocytic markers (i.e., Mac-2/Lgals3, Dectin-1/Clec7a, and CD16/CD32) in the white matter microglia of 24-month-old brain was markedly decreased in calorically restricted LFD mice. In conclusion, LFD resulted in reduced activation of microglia, which might be an underlying mechanism for the protective role of caloric restriction during aging-associated decline.
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Affiliation(s)
- Zhuoran Yin
- Department of Neurology, Tongji Hospital, Tongji Medical College of HUST, Huazhong University of Science and Technology, Wuhan, China
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Divya D. Raj
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Wandert Schaafsma
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Roel A. van der Heijden
- Department of Pathology and Medical Biology, Medical Biology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Susanne M. Kooistra
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Aaffien C. Reijne
- Laboratory of Pediatrics, Systems Medicine of Metabolism and Signaling Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Systems Biology Centre for Energy Metabolism and Ageing, University of Groningen, Groningen, Netherlands
- Groningen Institute for Evolutionary Life Sciences, Department of Behavioral Neuroscience, University of Groningen, Groningen, Netherlands
| | - Xiaoming Zhang
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Jill Moser
- Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Nieske Brouwer
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Peter Heeringa
- Department of Pathology and Medical Biology, Medical Biology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Chun-Xia Yi
- Department of Endocrinology and Metabolism, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Gertjan van Dijk
- Systems Biology Centre for Energy Metabolism and Ageing, University of Groningen, Groningen, Netherlands
- Groningen Institute for Evolutionary Life Sciences, Department of Behavioral Neuroscience, University of Groningen, Groningen, Netherlands
- ESRIG Centre for Isotope Research, University of Groningen, Groningen, Netherlands
| | - Jon D. Laman
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Erik W. G. M. Boddeke
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Bart J. L. Eggen
- Department of Neuroscience, Medical Physiology Section, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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Kleinert M, Clemmensen C, Hofmann SM, Moore MC, Renner S, Woods SC, Huypens P, Beckers J, de Angelis MH, Schürmann A, Bakhti M, Klingenspor M, Heiman M, Cherrington AD, Ristow M, Lickert H, Wolf E, Havel PJ, Müller TD, Tschöp MH. Animal models of obesity and diabetes mellitus. Nat Rev Endocrinol 2018; 14:140-162. [PMID: 29348476 DOI: 10.1038/nrendo.2017.161] [Citation(s) in RCA: 508] [Impact Index Per Article: 84.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
More than one-third of the worldwide population is overweight or obese and therefore at risk of developing type 2 diabetes mellitus. In order to mitigate this pandemic, safer and more potent therapeutics are urgently required. This necessitates the continued use of animal models to discover, validate and optimize novel therapeutics for their safe use in humans. In order to improve the transition from bench to bedside, researchers must not only carefully select the appropriate model but also draw the right conclusions. In this Review, we consolidate the key information on the currently available animal models of obesity and diabetes and highlight the advantages, limitations and important caveats of each of these models.
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Affiliation(s)
- Maximilian Kleinert
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center at Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Division of Metabolic Diseases, Department of Medicine, Technische Universität München, D-80333 Munich, Germany
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Section of Molecular Physiology, Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Christoffer Clemmensen
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center at Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Division of Metabolic Diseases, Department of Medicine, Technische Universität München, D-80333 Munich, Germany
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Susanna M Hofmann
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute for Diabetes and Regeneration Research, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Medizinische Klinik und Poliklinik IV, Klinikum der Ludwig-Maximilians-Universität München, Ziemssenstr. 1, D-80336 Munich, Germany
| | - Mary C Moore
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee 37212, USA
| | - Simone Renner
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Chair for Molecular Animal Breeding and Biotechnology, Gene Center, Ludwig-Maximilan University München, Feodor-Lynen-Str. 25, D-81377 Munich, Germany
| | - Stephen C Woods
- University of Cincinnati College of Medicine, Department of Psychiatry and Behavioral Neuroscience, Metabolic Diseases Institute, 2170 East Galbraith Road, Cincinnati, Ohio 45237, USA
| | - Peter Huypens
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute of Experimental Genetics, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Johannes Beckers
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute of Experimental Genetics, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Technische Universität München, Chair of Experimental Genetics, D-85354 Freising, Germany
| | - Martin Hrabe de Angelis
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute of Experimental Genetics, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Technische Universität München, Chair of Experimental Genetics, D-85354 Freising, Germany
| | - Annette Schürmann
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Department of Experimental Diabetology, German Institute of Human Nutrition (DIfE), Arthur-Scheunert-Allee 114-116, D-14558 Nuthetal, Germany
| | - Mostafa Bakhti
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute for Diabetes and Regeneration Research, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute of Stem Cell Research, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Martin Klingenspor
- Chair of Molecular Nutritional Medicine, Technische Universität München, TUM School of Life Sciences Weihenstephan, Gregor-Mendel-Str. 2, D-85354 Freising, Germany
- Else Kröner-Fresenius Center for Nutritional Medicine, Technische Universität München, D-85354 Freising, Germany
- Institute for Food & Health, Technische Universität München, D-85354 Freising, Germany
| | - Mark Heiman
- MicroBiome Therapeutics, 1316 Jefferson Ave, New Orleans, Louisiana 70115, USA
| | - Alan D Cherrington
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee 37212, USA
| | - Michael Ristow
- Energy Metabolism Laboratory, Institute of Translational Medicine, Swiss Federal Institute of Technology (ETH) Zurich, CH-8603 Zurich-Schwerzenbach, Switzerland
| | - Heiko Lickert
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute for Diabetes and Regeneration Research, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Institute of Stem Cell Research, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Eckhard Wolf
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Chair for Molecular Animal Breeding and Biotechnology, Gene Center, Ludwig-Maximilan University München, Feodor-Lynen-Str. 25, D-81377 Munich, Germany
| | - Peter J Havel
- Department of Molecular Biosciences, School of Veterinary Medicine and Department of Nutrition, 3135 Meyer Hall, University of California, Davis, California 95616-5270, USA
| | - Timo D Müller
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center at Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Division of Metabolic Diseases, Department of Medicine, Technische Universität München, D-80333 Munich, Germany
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Matthias H Tschöp
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center at Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
- Division of Metabolic Diseases, Department of Medicine, Technische Universität München, D-80333 Munich, Germany
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
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Blank N, Hegenbart U, Dietrich S, Brune M, Beimler J, Röcken C, Müller-Tidow C, Lorenz HM, Schönland SO. Obesity is a significant susceptibility factor for idiopathic AA amyloidosis. Amyloid 2018; 25:37-45. [PMID: 29364741 DOI: 10.1080/13506129.2018.1429391] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND To investigate obesity as susceptibility factor in patients with idiopathic AA amyloidosis. METHODS Clinical, biochemical and genetic data were obtained from 146 patients with AA amyloidosis. Control groups comprised 40 patients with long-standing inflammatory diseases without AA amyloidosis and 56 controls without any inflammatory disease. FINDINGS Patients with AA amyloidosis had either familial Mediterranean fever (FMF) or long-standing rheumatic diseases as underlying inflammatory disease (n = 111, median age 46 years). However, in a significant proportion of patients with AA amyloidosis no primary disease was identified (idiopathic AA; n = 37, median age 60 years). Patients with idiopathic AA amyloidosis were more obese and older than patients with AA amyloidosis secondary to FMF or rheumatic diseases. Serum leptin levels correlated with the body mass index (BMI) in all types of AA amyloidosis. Elevated leptin levels of more than 30 µg/l were detected in 18% of FMF/rheumatic + AA amyloidosis and in 40% of patients with idiopathic AA amyloidosis (p = .018). Finally, the SAA1 polymorphism was confirmed as a susceptibility factor for AA amyloidosis irrespective of the type of the disease. CONCLUSIONS Obesity, age and the SAA1 polymorphism are susceptibility factors for idiopathic AA amyloidosis. Recent advances in treatment of FMF and rheumatic disorders will decrease the incidence of AA amyloidosis due to these diseases. Idiopathic AA, however, might be an emerging problem in the ageing and increasingly obese population.
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Affiliation(s)
- Norbert Blank
- a Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology , University of Heidelberg , Heidelberg , Germany
| | - Ute Hegenbart
- a Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology , University of Heidelberg , Heidelberg , Germany
| | - Sascha Dietrich
- a Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology , University of Heidelberg , Heidelberg , Germany
| | - Maik Brune
- b Department of Medicine I, Endocrinology and Clinical Laboratory Medicine , University of Heidelberg , Heidelberg , Germany
| | - Jörg Beimler
- c Department of Medicine I, Division of Nephrology , University of Heidelberg , Heidelberg , Germany
| | | | - Carsten Müller-Tidow
- a Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology , University of Heidelberg , Heidelberg , Germany
| | - Hanns-Martin Lorenz
- a Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology , University of Heidelberg , Heidelberg , Germany
| | - Stefan O Schönland
- a Department of Medicine V, Amyloidosis Center and Division of Hematology, Oncology and Rheumatology , University of Heidelberg , Heidelberg , Germany
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Tanaka M, Kawakami T, Okino N, Sasaki K, Nakanishi K, Takase H, Yamada T, Mukai T. Acceleration of amyloid fibril formation by carboxyl-terminal truncation of human serum amyloid A. Arch Biochem Biophys 2018; 639:9-15. [DOI: 10.1016/j.abb.2017.12.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 12/12/2017] [Accepted: 12/21/2017] [Indexed: 12/12/2022]
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Miyahara H, Sawashita J, Ishikawa E, Yang M, Ding X, Liu Y, Hachiya N, Kametani F, Yazaki M, Mori M, Higuchi K. Comprehensive proteomic profiles of mouse AApoAII amyloid fibrils provide insights into the involvement of lipoproteins in the pathology of amyloidosis. J Proteomics 2017; 172:111-121. [PMID: 28988881 DOI: 10.1016/j.jprot.2017.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 08/17/2017] [Accepted: 10/05/2017] [Indexed: 02/06/2023]
Abstract
Amyloidosis is a disorder characterized by extracellular fibrillar deposits of misfolded proteins. The amyloid deposits commonly contain several non-fibrillar proteins as amyloid-associated proteins, but their roles in amyloidosis pathology are still unknown. In mouse senile amyloidosis, apolipoprotein A-II (ApoA-II) forms extracellular amyloid fibril (AApoAII) deposits with other proteins (AApoAII-associated proteins) in many organs. We previously reported that R1.P1-Apoa2c mice provide a reproducible model of AApoAII amyloidosis. In order to investigate the sequential alterations of AApoAII-associated protein, we performed a proteomic analysis of amyloid fibrils extracted from mouse liver tissues that contained different levels of AApoAII deposition. We identified 6 AApoAII-associated proteins that constituted 20 of the top-ranked proteins in mice with severe AApoAII deposition. Although the amount of AApoAII-associated proteins increased with the progression of amyloidosis, the relative abundance of AApoAII-associated proteins changed little throughout the progression of amyloidosis. On the other hand, plasma levels of these proteins showed dramatic changes during the progression of amyloidosis. In addition, we confirmed that AApoAII-associated proteins were significantly associated with lipid metabolism based on functional enrichment analysis, and lipids were co-deposited with AApoAII fibrils from early stages of development of amyloidosis. Thus, these results demonstrate that lipoproteins are involved in AApoAII amyloidosis pathology. SIGNIFICANCE This study presented proteomic profiles of AApoAII amyloidosis during disease progression and it revealed co-deposition of lipids with AApoAII deposits based on functional analyses. The relative abundance of AApoAII-associated proteins in the amyloid fibril fractions did not change over the course of development of AApoAII amyloidosis pathology. However, their concentrations in plasma changed dramatically with progression of the disease. Interestingly, several AApoAII-associated proteins have been found as constituents of lipid-rich lesions of other degenerative diseases, such as atherosclerosis and age-related macular degeneration. The common protein components among these diseases with lipid-rich deposits could be accounted for by a lipoprotein retention model.
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Affiliation(s)
- Hiroki Miyahara
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan
| | - Jinko Sawashita
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan; Department of Biological Sciences for Intractable Neurological Diseases, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 390-8621 Matsumoto, Japan
| | - Eri Ishikawa
- Division of Instrumental Research, Research Center for Supports to Advanced Science, Shinshu University, 390-8621 Matsumoto, Japan
| | - Mu Yang
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan
| | - Xin Ding
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan
| | - Yingye Liu
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan
| | - Naomi Hachiya
- Tokyo Metropolitan Industrial Technology Research Institute, Aomi, Koto-ku, 135-0064 Tokyo, Japan
| | - Fuyuki Kametani
- Department of Dementia and Higher Brain Function, Tokyo Metropolitan Institute of Medical Science, 156-8506 Tokyo, Japan
| | - Masahide Yazaki
- Department of Biological Sciences for Intractable Neurological Diseases, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 390-8621 Matsumoto, Japan
| | - Masayuki Mori
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan; Department of Advanced Medicine for Health Promotion, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 390-8621 Matsumoto, Japan
| | - Keiichi Higuchi
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, 390-8621 Matsumoto, Japan; Department of Biological Sciences for Intractable Neurological Diseases, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 390-8621 Matsumoto, Japan.
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Schmitt R, Melk A. Molecular mechanisms of renal aging. Kidney Int 2017; 92:569-579. [DOI: 10.1016/j.kint.2017.02.036] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 02/05/2017] [Accepted: 02/14/2017] [Indexed: 12/31/2022]
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Udi S, Hinden L, Earley B, Drori A, Reuveni N, Hadar R, Cinar R, Nemirovski A, Tam J. Proximal Tubular Cannabinoid-1 Receptor Regulates Obesity-Induced CKD. J Am Soc Nephrol 2017; 28:3518-3532. [PMID: 28860163 DOI: 10.1681/asn.2016101085] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 06/21/2017] [Indexed: 12/29/2022] Open
Abstract
Obesity-related structural and functional changes in the kidney develop early in the course of obesity and occur independently of hypertension, diabetes, and dyslipidemia. Activating the renal cannabinoid-1 receptor (CB1R) induces nephropathy, whereas CB1R blockade improves kidney function. Whether these effects are mediated via a specific cell type within the kidney remains unknown. Here, we show that specific deletion of CB1R in the renal proximal tubule cells did not protect the mice from obesity, but markedly attenuated the obesity-induced lipid accumulation in the kidney and renal dysfunction, injury, inflammation, and fibrosis. These effects associated with increased activation of liver kinase B1 and the energy sensor AMP-activated protein kinase, as well as enhanced fatty acid β-oxidation. Collectively, these findings indicate that renal proximal tubule cell CB1R contributes to the pathogenesis of obesity-induced renal lipotoxicity and nephropathy by regulating the liver kinase B1/AMP-activated protein kinase signaling pathway.
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Affiliation(s)
- Shiran Udi
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Liad Hinden
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Brian Earley
- Laboratory of Physiological Studies, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland
| | - Adi Drori
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Noa Reuveni
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Rivka Hadar
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Resat Cinar
- Laboratory of Physiological Studies, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland
| | - Alina Nemirovski
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Joseph Tam
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel;
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Eo H, Park JE, Jeon YJ, Lim Y. Ameliorative Effect of Ecklonia cava Polyphenol Extract on Renal Inflammation Associated with Aberrant Energy Metabolism and Oxidative Stress in High Fat Diet-Induced Obese Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:3811-3818. [PMID: 28459555 DOI: 10.1021/acs.jafc.7b00357] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Immoderate fat accumulation causes both oxidative stress and inflammation, which can induce kidney damage in obesity. Previously, Ecklonia cava has shown anti-inflammatory and antioxidative effects. Our group aimed to investigate whether E. cava polyphenol extract (ECPE) improves renal damage in high fat diet (HFD)-induced obese mice through regulation of not only energy metabolism but also oxidative stress and inflammation. After obesity induction by HFD, the mice were treated with different dosages of ECPE (100 or 500 mg/kg/day) by gavage for 12 weeks. ECPE treatment lowered the protein levels related to lipid accumulation (SREBP1c, ACC & FAS), inflammation (NLRP3 inflammasome, NFκB, MCP-1, TNF-α & CRP), and oxidative stress (Nrf2, HO-1, MnSOD, NQO1, GPx, 4-HNE and protein carbonyls) in HFD induced obese mice. Moreover, ECPE supplementation significantly up-regulated renal SIRT1, PGC-1α, and AMPK, which are associated with renal energy metabolism. Consequently, the results provide novel insights into the anti-inflammatory roles of ECPE in obesity-induced renal inflammation.
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Affiliation(s)
- Hyeyoon Eo
- Department of Food and Nutrition, Kyung Hee University , 26 Kyunghee-daero, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Ji Eun Park
- Department of Food and Nutrition, Kyung Hee University , 26 Kyunghee-daero, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University , Jeju 63243, Republic of Korea
| | - Yunsook Lim
- Department of Food and Nutrition, Kyung Hee University , 26 Kyunghee-daero, Dongdaemun-gu, Seoul 02447, Republic of Korea
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Cheon SY, Chung KS, Lee KJ, Choi HY, Ham IH, Jung DH, Cha YY, An HJ. HVC1 ameliorates hyperlipidemia and inflammation in LDLR -/- mice. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:222. [PMID: 28427397 PMCID: PMC5397752 DOI: 10.1186/s12906-017-1734-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 04/08/2017] [Indexed: 12/29/2022]
Abstract
Background HVC1 consists of Coptidis Rhizoma (dried rhizome of Coptischinensis), Scutellariae Radix (root of Scutellariabaicalensis), Rhei Rhizoma (rhizome of Rheum officinale), and Pruni Cortex (cortex of Prunusyedoensis Matsum). Although the components are known to be effective in various conditions such as inflammation, hypertension, and hypercholesterolemia, there are no reports of the molecular mechanism of its hypolipidemic effects. Methods We investigated the hypolipidemic effect of HVC1 in low-density lipoprotein receptor-deficient (LDLR−/−) mice fed a high-cholesterol diet for 13 weeks. Mice were randomized in to 6 groups: ND (normal diet) group, HCD (high-cholesterol diet) group, and treatment groups fed HCD and treated with simvastatin (10 mg/kg, p.o.) or HVC1 (10, 50, or 250 mg/kg, p.o.). Results HVC1 regulated the levels of total cholesterol, triglyceride (TG), low-density lipoprotein (LDL) cholesterol, and high-density lipoprotein (HDL) cholesterol in mouse serum. In addition, it regulated the transcription level of the peroxisome proliferator-activated receptors (PPARs), sterol regulatory element-binding proteins (SREBP)-2, 3-hydroxy-3-methylglutaryl (HMG)-CoA reductase, lipoprotein lipase (LPL), apolipoprotein B (apo B), liver X receptor (LXR), and inflammatory cytokines (IL-1β, IL-6, and TNF-α). Furthermore, HVC1 activated 5′ adenosine monophosphate-activated protein kinase (AMPK). Conclusion Our results suggest that HVC1 might be effective in preventing high-cholesterol diet-induced hyperlipidemia by regulating the genes involved in cholesterol and lipid metabolism, and inflammatory responses.
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Stankovic Stojanovic K, Georgin-Lavialle S, Poitou C, Buob D, Amselem S, Grateau G. AA amyloidosis is an emerging cause of nephropathy in obese patients. Eur J Intern Med 2017; 39:e18-e20. [PMID: 28214252 DOI: 10.1016/j.ejim.2017.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 02/06/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Katia Stankovic Stojanovic
- Assistance publique-hôpitaux de Paris, hôpital Tenon, Centre de référence adulte des amyloses d'origine inflammatoire et de la fièvre méditerranéenne familiale (CERAIF), service de médecine interne, F-75020 Paris, France; Sorbonne Universités, UPMC Université Paris 06, Département hospitalo-universitaire I2B, F-75013 Paris, France.
| | - Sophie Georgin-Lavialle
- Assistance publique-hôpitaux de Paris, hôpital Tenon, Centre de référence adulte des amyloses d'origine inflammatoire et de la fièvre méditerranéenne familiale (CERAIF), service de médecine interne, F-75020 Paris, France; Sorbonne Universités, UPMC Université Paris 06, Département hospitalo-universitaire I2B, F-75013 Paris, France; Sorbonne Université, UPMC université Paris 06, INSERM UMR_933, F-75012 Paris, France
| | - Christine Poitou
- Institute of Cardiometabolism and Nutrition, ICAN; Sorbonne Universités, UPMC Univ Paris 06, UMR_S 1166 (teams 2, 4 and 6 NutriOmics); Institut National de la Santé et de la Recherche Médicale (INSERM), F-75013, Paris, France; Assistance Publique-Hôpitaux de Paris, hôpital de la Pitié-Salpêtrière, service de nutrition, ICAN, F-75013, Paris, France
| | - David Buob
- Sorbonne Universités, UPMC Université Paris 06, Département hospitalo-universitaire I2B, F-75013 Paris, France; Assistance publique-hôpitaux de Paris, hôpital Tenon, service de d'anatomie et de cytologie pathologiques, F-75020 Paris, France
| | - Serge Amselem
- Sorbonne Universités, UPMC Université Paris 06, Département hospitalo-universitaire I2B, F-75013 Paris, France; Sorbonne Université, UPMC université Paris 06, INSERM UMR_933, F-75012 Paris, France; Assistance publique-hôpitaux de Paris, hôpital Armand-Trousseau, CERAIF, Laboratoire de génétique, F-75012 Paris, France
| | - Gilles Grateau
- Assistance publique-hôpitaux de Paris, hôpital Tenon, Centre de référence adulte des amyloses d'origine inflammatoire et de la fièvre méditerranéenne familiale (CERAIF), service de médecine interne, F-75020 Paris, France; Sorbonne Universités, UPMC Université Paris 06, Département hospitalo-universitaire I2B, F-75013 Paris, France; Sorbonne Université, UPMC université Paris 06, INSERM UMR_933, F-75012 Paris, France
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Glastras SJ, Chen H, Tsang M, Teh R, McGrath RT, Zaky A, Chen J, Wong MG, Pollock CA, Saad S. The renal consequences of maternal obesity in offspring are overwhelmed by postnatal high fat diet. PLoS One 2017; 12:e0172644. [PMID: 28225809 PMCID: PMC5321436 DOI: 10.1371/journal.pone.0172644] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 02/07/2017] [Indexed: 12/26/2022] Open
Abstract
AIMS/HYPOTHESIS Developmental programming induced by maternal obesity influences the development of chronic disease in offspring. In the present study, we aimed to determine whether maternal obesity exaggerates obesity-related kidney disease. METHODS Female C57BL/6 mice were fed high-fat diet (HFD) for six weeks prior to mating, during gestation and lactation. Male offspring were weaned to normal chow or HFD. At postnatal Week 8, HFD-fed offspring were administered one dose streptozotocin (STZ, 100 mg/kg i.p.) or vehicle control. Metabolic parameters and renal functional and structural changes were observed at postnatal Week 32. RESULTS HFD-fed offspring had increased adiposity, glucose intolerance and hyperlipidaemia, associated with increased albuminuria and serum creatinine levels. Their kidneys displayed structural changes with increased levels of fibrotic, inflammatory and oxidative stress markers. STZ administration did not potentiate the renal effects of HFD. Though maternal obesity had a sustained effect on serum creatinine and oxidative stress markers in lean offspring, the renal consequences of maternal obesity were overwhelmed by the powerful effect of diet-induced obesity. CONCLUSION Maternal obesity portends significant risks for metabolic and renal health in adult offspring. However, diet-induced obesity is an overwhelming and potent stimulus for the development of CKD that is not potentiated by maternal obesity.
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Affiliation(s)
- Sarah J. Glastras
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Michael Tsang
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Rachel Teh
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Rachel T. McGrath
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Amgad Zaky
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Jason Chen
- Department of Anatomical Pathology, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Muh Geot Wong
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Carol A. Pollock
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Sonia Saad
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
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Li L, Sawashita J, Ding X, Yang M, Xu Z, Miyahara H, Mori M, Higuchi K. Caloric restriction reduces the systemic progression of mouse AApoAII amyloidosis. PLoS One 2017; 12:e0172402. [PMID: 28225824 PMCID: PMC5321440 DOI: 10.1371/journal.pone.0172402] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 11/22/2016] [Indexed: 11/19/2022] Open
Abstract
In mouse senile amyloidosis, apolipoprotein (Apo) A-II is deposited extracellularly in many organs in the form of amyloid fibrils (AApoAII). Reduction of caloric intake, known as caloric restriction (CR), slows the progress of senescence and age-related disorders in mice. In this study, we intravenously injected 1 μg of isolated AApoAII fibrils into R1.P1-Apoa2c mice to induce experimental amyloidosis and investigated the effects of CR for the next 16 weeks. In the CR group, AApoAII amyloid deposits in the liver, tongue, small intestine and skin were significantly reduced compared to those of the ad libitum feeding group. CR treatment led to obvious reduction in body weight, improvement in glucose metabolism and reduction in the plasma concentration of ApoA-II. Our molecular biological analyses of the liver suggested that CR treatment might improve the symptoms of inflammation, the unfolded protein response induced by amyloid deposits and oxidative stress. Furthermore, we suggest that CR treatment might improve mitochondrial functions via the sirtuin 1-peroxisome proliferator-activated receptor γ coactivator 1α (SIRT1-PGC-1α) pathway. We suggest that CR is a promising approach for treating the onset and/or progression of amyloidosis, especially for systemic amyloidosis such as senile AApoAII amyloidosis. Our analysis of CR treatment for amyloidosis should provide useful information for determining the cause of amyloidosis and developing effective preventive treatments.
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Affiliation(s)
- Lin Li
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
| | - Jinko Sawashita
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
- Department of Biological Sciences for Intractable Neurological Diseases, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Matsumoto, Japan
- * E-mail:
| | - Xin Ding
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
| | - Mu Yang
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
| | - Zhe Xu
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
| | - Hiroki Miyahara
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
| | - Masayuki Mori
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
- Department of Advanced Medicine for Health Promotion, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Matsumoto, Japan
| | - Keiichi Higuchi
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
- Department of Biological Sciences for Intractable Neurological Diseases, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Matsumoto, Japan
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Yang T, Zhao Z, Liu T, Zhang Z, Wang P, Xu S, Lei XG, Shan A. Oxidative stress induced by Se-deficient high-energy diet implicates neutrophil dysfunction via Nrf2 pathway suppression in swine. Oncotarget 2017; 8:13428-13439. [PMID: 28077800 PMCID: PMC5355109 DOI: 10.18632/oncotarget.14550] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 12/27/2016] [Indexed: 01/09/2023] Open
Abstract
The mechanism of the interaction between Se deficiency and high energy remains limited. The aim of the current study was to identify whether Se-deficient, high-energy diet can induce oxidative stress, and downregulate the Nrf2 pathway and phagocytic dysfunction of neutrophils. We detected the phagocytic activity, ROS production, protein levels of Nrf2 and Nrf2 downstream target genes, and the mRNA levels of 25 selenoproteins, heat shock proteins, and cytokines in neutrophils. Cytokine ELISA kits were used to measure the serum cytokines. The concentration of ROS was elevated (P < 0.05) in obese swine fed on a low Se diet (less than 0.03 mg/kg Se) compared to control swine. The protein levels of Nrf2 and its downstream target genes were depressed during Se deficiency and high-energy intake. The mRNA levels of 16 selenoproteins were significantly decreased (P < 0.05) in the Se-deficient group and Se-deficient, high-energy group compared to the control group. However, the mRNA levels of 13 selenoproteins in peripheral blood neutrophils were upregulated in high energy group, except TrxR1, SelI and SepW. In summary, these data indicated that a Se-deficient, high-energy diet inhibits the Nrf2 pathway and its regulation of oxidative stress, and prompted a pleiotropic mechanism that suppresses phagocytosis.
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Affiliation(s)
- Tianshu Yang
- Northeast Agricultural University, Harbin, P. R. China
| | - Zeping Zhao
- Department of Animal Science, Cornell University, Ithaca, NY, USA
| | - Tianqi Liu
- Northeast Agricultural University, Harbin, P. R. China
| | - Ziwei Zhang
- Northeast Agricultural University, Harbin, P. R. China
| | - Pengzu Wang
- Northeast Agricultural University, Harbin, P. R. China
| | - Shiwen Xu
- Northeast Agricultural University, Harbin, P. R. China
- Key Laboratory of Animal Cellular and Genetic Engineering of Heilongjiang Province, Northeast Agricultural University, Harbin, China
| | - Xin Gen Lei
- Department of Animal Science, Cornell University, Ithaca, NY, USA
| | - Anshan Shan
- Northeast Agricultural University, Harbin, P. R. China
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50
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Szeto HH, Liu S, Soong Y, Alam N, Prusky GT, Seshan SV. Protection of mitochondria prevents high-fat diet–induced glomerulopathy and proximal tubular injury. Kidney Int 2016; 90:997-1011. [DOI: 10.1016/j.kint.2016.06.013] [Citation(s) in RCA: 163] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 05/31/2016] [Accepted: 06/02/2016] [Indexed: 12/19/2022]
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