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Pham KO, Hara A, Tsujiguchi H, Suzuki K, Suzuki F, Miyagi S, Kannon T, Sato T, Hosomichi K, Tsuboi H, Nguyen TTT, Shimizu Y, Kambayashi Y, Nakamura M, Takazawa C, Nakamura H, Hamagishi T, Shibata A, Konoshita T, Tajima A, Nakamura H. Association between Vitamin Intake and Chronic Kidney Disease According to a Variant Located Upstream of the PTGS1 Gene: A Cross-Sectional Analysis of Shika Study. Nutrients 2022; 14:2082. [PMID: 35631221 PMCID: PMC9143472 DOI: 10.3390/nu14102082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/02/2022] [Accepted: 05/14/2022] [Indexed: 11/22/2022] Open
Abstract
Chronic kidney disease (CKD) patients have been advised to take vitamins; however, the effects have been controversial. The individual differences in developing CKD might involve genetic variants of inflammation, including variant rs883484 located upstream of the prostaglandin-endoperoxide synthase 1 (PTGS1) gene. We aimed to identify whether the 12 dietary vitamin intake interacts with genotypes of the rs883484 on developing CKD. The population-based, cross-sectional study had 684 Japanese participants (≥40 years old). The study used a validated, brief, self-administered diet history questionnaire to estimate the intake of the dietary vitamins. CKD was defined as estimated glomerular filtration < 60 mL/min/1.73 m2. The study participants had an average age of 62.1 ± 10.8 years with 15.4% minor homozygotes of rs883484, and 114 subjects had CKD. In the fully adjusted model, the higher intake of vitamins, namely niacin (odds ratio (OR) = 0.74, 95% confidence interval (CI): 0.57−0.96, p = 0.024), α-tocopherol (OR = 0.49, 95% CI: 0.26−0.95, p = 0.034), and vitamin C (OR = 0.97, 95% CI: 0.95−1.00, p = 0.037), was independently associated with lower CKD tendency in the minor homozygotes of rs883484. The results suggested the importance of dietary vitamin intake in the prevention of CKD in middle-aged to older-aged Japanese with minor homozygous of rs883484 gene variant.
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Affiliation(s)
- Kim-Oanh Pham
- Information Management Department, Asia Center for Air Pollution Research, Niigata City 950-2144, Japan
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Akinori Hara
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Hiromasa Tsujiguchi
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Keita Suzuki
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Fumihiko Suzuki
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
- Community Medicine Support Dentistry, Faculty of Dentist, Ohu University Hospital, Koriyama 963-8611, Japan
| | - Sakae Miyagi
- Innovative Clinical Research Center, Takaramachi Campus, Kanazawa University, Kanazawa City 920-8640, Japan;
| | - Takayuki Kannon
- Department of Bioinformatics and Genomics, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (T.K.); (T.S.); (K.H.); (A.T.)
| | - Takehiro Sato
- Department of Bioinformatics and Genomics, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (T.K.); (T.S.); (K.H.); (A.T.)
| | - Kazuyoshi Hosomichi
- Department of Bioinformatics and Genomics, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (T.K.); (T.S.); (K.H.); (A.T.)
| | - Hirohito Tsuboi
- Institute of Medical, Pharmaceutical and Health Sciences, Kakuma Campus, Kanazawa University, Kanazawa City 920-1192, Japan;
| | - Thao Thi Thu Nguyen
- Department of Epidemiology, Faculty of Public Health, Haiphong University of Medicine and Pharmacy, Hai Phong 180000, Vietnam;
| | - Yukari Shimizu
- Department of Nursing, Faculty of Health Sciences, Komatsu University, Komatsu City 923-0961, Japan;
| | - Yasuhiro Kambayashi
- Department of Public Health, Faculty of Veterinary Medicine, Okayama University of Science, Imabari 794-8555, Japan;
| | - Masaharu Nakamura
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Chie Takazawa
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Haruki Nakamura
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Toshio Hamagishi
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Aki Shibata
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
| | - Tadashi Konoshita
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Tsuruga 914-0055, Japan;
| | - Atsushi Tajima
- Department of Bioinformatics and Genomics, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (T.K.); (T.S.); (K.H.); (A.T.)
| | - Hiroyuki Nakamura
- Department of Hygiene and Public Health, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa City 920-8640, Japan; (A.H.); (H.T.); (K.S.); (F.S.); (M.N.); (C.T.); (H.N.); (T.H.); (A.S.); (H.N.)
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Jakab J, Miškić B, Mikšić Š, Juranić B, Ćosić V, Schwarz D, Včev A. Adipogenesis as a Potential Anti-Obesity Target: A Review of Pharmacological Treatment and Natural Products. Diabetes Metab Syndr Obes 2021; 14:67-83. [PMID: 33447066 PMCID: PMC7802907 DOI: 10.2147/dmso.s281186] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/09/2020] [Indexed: 12/14/2022] Open
Abstract
Obesity is recognized as a severe threat to overall human health and is associated with type 2 diabetes mellitus, dyslipidemia, hypertension, and cardiovascular diseases. Abnormal expansion of white adipose tissue involves increasing the existing adipocytes' cell size or increasing the number through the differentiation of new adipocytes. Adipogenesis is a process of proliferation and differentiation of adipocyte precursor cells in mature adipocytes. As a key process in determining the number of adipocytes, it is a possible therapeutic approach for obesity. Therefore, it is necessary to identify the molecular mechanisms involved in adipogenesis that could serve as suitable therapeutic targets. Reducing bodyweight is regarded as a major health benefit. Limited efficacy and possible side effects and drug interactions of available anti-obesity treatment highlight a constant need for finding novel efficient and safe anti-obesity ingredients. Numerous studies have recently investigated the inhibitory effects of natural products on adipocyte differentiation and lipid accumulation. Possible anti-obesity effects of natural products include the induction of apoptosis, cell-cycle arrest or delayed progression, and interference with transcription factor cascade or intracellular signaling pathways during the early phase of adipogenesis.
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Affiliation(s)
- Jelena Jakab
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Correspondence: Jelena Jakab Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Crkvena 21, Osijek31 000, CroatiaTel +385 91 224 1502 Email
| | - Blaženka Miškić
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Department of Internal Medicine, General Hospital “Dr. Josip Benčević”, Slavonski Brod, Croatia
| | - Štefica Mikšić
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Brankica Juranić
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Department of Cardiology, University Hospital Osijek, Osijek, Croatia
| | - Vesna Ćosić
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Dragan Schwarz
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Special Hospital Radiochirurgia Zagreb, Zagreb, Croatia
| | - Aleksandar Včev
- Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
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All-trans retinoic acid reduces the transcriptional regulation of intestinal sodium-dependent phosphate co-transporter gene (Npt2b). Biochem J 2020; 477:817-831. [PMID: 32016357 DOI: 10.1042/bcj20190716] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/13/2020] [Accepted: 02/03/2020] [Indexed: 01/03/2023]
Abstract
Inorganic phosphate (Pi) homeostasis is regulated by intestinal absorption via type II sodium-dependent co-transporter (Npt2b) and by renal reabsorption via Npt2a and Npt2c. Although we previously reported that vitamin A-deficient (VAD) rats had increased urine Pi excretion through the decreased renal expression of Npt2a and Npt2c, the effect of vitamin A on the intestinal Npt2b expression remains unclear. In this study, we investigated the effects of treatment with all-trans retinoic acid (ATRA), a metabolite of vitamin A, on the Pi absorption and the Npt2b expression in the intestine of VAD rats, as well as and the underlying molecular mechanisms. In VAD rats, the intestinal Pi uptake activity and the expression of Npt2b were increased, but were reduced by the administration of ATRA. The transcriptional activity of reporter plasmid containing the promoter region of the rat Npt2b gene was reduced by ATRA in NIH3T3 cells overexpressing retinoic acid receptor (RAR) and retinoid X receptor (RXR). On the other hand, CCAAT/enhancer-binding proteins (C/EBP) induced transcriptional activity of the Npt2b gene. Knockdown of the C/EBP gene and a mutation analysis of the C/EBP responsible element in the Npt2b gene promoter indicated that C/EBP plays a pivotal role in the regulation of Npt2b gene transcriptional activity by ATRA. EMSA revealed that the RAR/RXR complex inhibits binding of C/EBP to Npt2b gene promoter. Together, these results suggest that ATRA may reduce the intestinal Pi uptake by preventing C/EBP activation of the intestinal Npt2b gene.
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Mandrika I, Tilgase A, Petrovska R, Klovins J. Hydroxycarboxylic Acid Receptor Ligands Modulate Proinflammatory Cytokine Expression in Human Macrophages and Adipocytes without Affecting Adipose Differentiation. Biol Pharm Bull 2019; 41:1574-1580. [PMID: 30270326 DOI: 10.1248/bpb.b18-00301] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Members of the hydroxycarboxylic acid receptor (HCA1-3) family are mainly expressed in adipocytes and immune cells. HCA2 ligand, niacin, has been used for decades as lipid-modifying drug. Recent studies suggest that HCA ligands can be involved in the modulation of inflammatory processes. In this study, we evaluated the effects of HCA1-3 ligands on adipose differentiation and cytokine expression in human adipocytes and macrophages. Simpson-Golabi-Behmel syndrome (SGBS) preadipocytes were induced to differentiate into adipocytes for 8 d in the presence or absence of HCA ligands and evaluated for lipid accumulation and adipogenic gene expression. The inhibitory effects of the ligands on the expression and production of cytokines were measured in lipopolysaccharide (LPS)-stimulated adipocytes and THP-1 macrophage cells. Preadipocytes treated with HCA ligands showed no changes in the capacity to differentiate into adipocytes and no significant alteration in peroxisome proliferator activated receptor γ (PPARγ) or its target gene expression. HCA2-3 ligands significantly downregulated LPS-induced expression of interleukin (IL)-6 (53-64%), tumor necrosis factor-α (TNF-α) (55-69%) and IL-8 (51-59%) in adipocytes and macrophages. IL-1β inhibition (58-68%) by HCA2-3 ligands was observed only in adipocytes. Furthermore, LPS increased the expression of HCA2-3 in adipocytes and macrophages and this expression was decreased by treatment with their ligands. These results suggest that HCA ligands modulated LPS-mediated pro-inflammatory gene expression in both macrophages and adipocytes without affecting adipogenesis. Therefore, targeting HCA2 and HCA3 would be beneficial in treating inflammation conditions associated with atherosclerosis and obesity.
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Sütt S, Cansby E, Paul A, Amrutkar M, Nuñez-Durán E, Kulkarni NM, Ståhlman M, Borén J, Laurencikiene J, Howell BW, Enerbäck S, Mahlapuu M. STK25 regulates oxidative capacity and metabolic efficiency in adipose tissue. J Endocrinol 2018; 238:187-202. [PMID: 29794231 DOI: 10.1530/joe-18-0182] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 05/24/2018] [Indexed: 12/26/2022]
Abstract
Whole-body energy homeostasis at over-nutrition critically depends on how well adipose tissue remodels in response to excess calories. We recently identified serine/threonine protein kinase (STK)25 as a critical regulator of ectopic lipid storage in non-adipose tissue and systemic insulin resistance in the context of nutritional stress. Here, we investigated the role of STK25 in regulation of adipose tissue dysfunction in mice challenged with a high-fat diet. We found that overexpression of STK25 in high-fat-fed mice resulted in impaired mitochondrial function and aggravated hypertrophy, inflammatory infiltration and fibrosis in adipose depots. Reciprocally, Stk25-knockout mice displayed improved mitochondrial function and were protected against diet-induced excessive fat storage, meta-inflammation and fibrosis in brown and white adipose tissues. Furthermore, in rodent HIB-1B cell line, STK25 depletion resulted in enhanced mitochondrial activity and consequently, reduced lipid droplet size, demonstrating an autonomous action for STK25 within adipocytes. In summary, we provide the first evidence for a key function of STK25 in controlling the metabolic balance of lipid utilization vs lipid storage in brown and white adipose depots, suggesting that repression of STK25 activity offers a potential strategy for establishing healthier adipose tissue in the context of chronic exposure to dietary lipids.
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Affiliation(s)
- Silva Sütt
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Emmelie Cansby
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Alexandra Paul
- Department of Biology and Biological EngineeringDivision of Chemical Biology, Chalmers University of Technology, Gothenburg, Sweden
| | - Manoj Amrutkar
- Department of Hepato-Pancreato-Biliary SurgeryInstitute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Esther Nuñez-Durán
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Nagaraj M Kulkarni
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Marcus Ståhlman
- Department of Molecular and Clinical Medicine/Wallenberg LaboratoryInstitute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Jan Borén
- Department of Molecular and Clinical Medicine/Wallenberg LaboratoryInstitute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Jurga Laurencikiene
- Lipid LaboratoryDepartment of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Brian W Howell
- Department of Neuroscience and PhysiologyState University of New York Upstate Medical University, Syracuse, New York, USA
| | - Sven Enerbäck
- Department of Medical and Clinical GeneticsInstitute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Margit Mahlapuu
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
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Dias S, Paredes S, Ribeiro L. Drugs Involved in Dyslipidemia and Obesity Treatment: Focus on Adipose Tissue. Int J Endocrinol 2018; 2018:2637418. [PMID: 29593789 PMCID: PMC5822899 DOI: 10.1155/2018/2637418] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/28/2017] [Accepted: 10/11/2017] [Indexed: 12/15/2022] Open
Abstract
Metabolic syndrome can be defined as a state of disturbed metabolic homeostasis characterized by visceral obesity, atherogenic dyslipidemia, arterial hypertension, and insulin resistance. The growing prevalence of metabolic syndrome will certainly contribute to the burden of cardiovascular disease. Obesity and dyslipidemia are main features of metabolic syndrome, and both can present with adipose tissue dysfunction, involved in the pathogenic mechanisms underlying this syndrome. We revised the effects, and underlying mechanisms, of the current approved drugs for dyslipidemia and obesity (fibrates, statins, niacin, resins, ezetimibe, and orlistat; sibutramine; and diethylpropion, phentermine/topiramate, bupropion and naltrexone, and liraglutide) on adipose tissue. Specifically, we explored how these drugs can modulate the complex pathways involved in metabolism, inflammation, atherogenesis, insulin sensitivity, and adipogenesis. The clinical outcomes of adipose tissue modulation by these drugs, as well as differences of major importance for clinical practice between drugs of the same class, were identified. Whether solutions to these issues will be found in further adjustments and combinations between drugs already in use or necessarily in new advances in pharmacology is not known. To better understand the effect of drugs used in dyslipidemia and obesity on adipose tissue not only is challenging for physicians but could also be the next step to tackle cardiovascular disease.
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Affiliation(s)
- Sofia Dias
- Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Sílvia Paredes
- Department of Endocrinology, Hospital de Braga, 4710-243 Braga, Portugal
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Laura Ribeiro
- Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- I3S-Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
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Xiao Y, Rungruang S, Hall L, Collier J, Dunshea F, Collier R. Effects of niacin and betaine on bovine mammary and uterine cells exposed to thermal shock in vitro. J Dairy Sci 2017; 100:4025-4037. [DOI: 10.3168/jds.2016-11876] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 01/03/2017] [Indexed: 01/09/2023]
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Yang ZQ, Bao LB, Zhao XH, Wang CY, Zhou S, Wen LH, Fu CB, Gong JM, Qu MR. Nicotinic acid supplementation in diet favored intramuscular fat deposition and lipid metabolism in finishing steers. Exp Biol Med (Maywood) 2016; 241:1195-201. [PMID: 27048556 DOI: 10.1177/1535370216639395] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Accepted: 02/06/2016] [Indexed: 11/17/2022] Open
Abstract
Nicotinic acid (NA) acting as the precursor of NAD(+)/NADH and NADP(+)/NADPH, participates in many biochemical processes, e.g. lipid metabolism. The main purpose of this study was to investigate the effects of dietary NA on carcass traits, meat quality, blood metabolites, and fat deposition in Chinese crossbred finishing steers. Sixteen steers with the similar body weight and at the age of 24 months were randomly allocated into control group (feeding basal diet) and NA group (feeding basal diet + 1000 mg/kg NA). All experimental cattle were fed a 90% concentrate diet and 10% forage straw in a 120-day feeding experiment. The results showed that supplemental NA in diet increased longissimus area, intramuscular fat content (17.14% vs. 9.03%), marbling score (8.08 vs. 4.30), redness (a*), and chroma (C*) values of LD muscle, but reduced carcass fat content (not including imtramuscular fat), pH24 h and moisture content of LD muscle, along with no effect on backfat thickness. Besides, NA supplementation increased serum HDL-C concentration, but decreased the serum levels of LDL-C, triglyceride, non-esterified fatty acid, total cholesterol, and glycated serum protein. In addition, NA supplementation increased G6PDH and ICDH activities of LD muscle. These results suggested that NA supplementation in diet improves the carcass characteristics and beef quality, and regulates the compositions of serum metabolites. Based on the above results, NA should be used as the feed additive in cattle industry.
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Affiliation(s)
- Zhu-Qing Yang
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Lin-Bin Bao
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Xiang-Hui Zhao
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Can-Yu Wang
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Shan Zhou
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Lu-Hua Wen
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Chuan-Bian Fu
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Jian-Ming Gong
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
| | - Ming-Ren Qu
- Jiangxi Provincial Key Laboratory for Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang 330045, China
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Wang X, Hai C. Redox modulation of adipocyte differentiation: hypothesis of "Redox Chain" and novel insights into intervention of adipogenesis and obesity. Free Radic Biol Med 2015; 89:99-125. [PMID: 26187871 DOI: 10.1016/j.freeradbiomed.2015.07.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 06/19/2015] [Accepted: 07/08/2015] [Indexed: 02/08/2023]
Abstract
In view of the global prevalence of obesity and obesity-associated disorders, it is important to clearly understand how adipose tissue forms. Accumulating data from various laboratories implicate that redox status is closely associated with energy metabolism. Thus, biochemical regulation of the redox system may be an attractive alternative for the treatment of obesity-related disorders. In this work, we will review the current data detailing the role of the redox system in adipocyte differentiation, as well as identifying areas for further research. The redox system affects adipogenic differentiation in an extensive way. We propose that there is a complex and interactive "redox chain," consisting of a "ROS-generating enzyme chain," "combined antioxidant chain," and "transcription factor chain," which contributes to fine-tune the regulation of ROS level and subsequent biological consequences. The roles of the redox system in adipocyte differentiation are paradoxical. The redox system exerts a "tridimensional" mechanism in the regulation of adipocyte differentiation, including transcriptional, epigenetic, and posttranslational modulations. We suggest that redoxomic techniques should be extensively applied to understand the biological effects of redox alterations in a more integrated way. A stable and standardized "redox index" is urgently needed for the evaluation of the general redox status. Therefore, more effort should be made to establish and maintain a general redox balance rather than to conduct simple prooxidant or antioxidant interventions, which have comprehensive implications.
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Affiliation(s)
- Xin Wang
- Department of Toxicology, Shaanxi Key Lab of Free Radical Biology and Medicine, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi'an, 710032, China.
| | - Chunxu Hai
- Department of Toxicology, Shaanxi Key Lab of Free Radical Biology and Medicine, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi'an, 710032, China.
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Shrivastava A, Chaturvedi U, Singh SV, Saxena JK, Bhatia G. Lipid lowering and antioxidant effect of miglitol in triton treated hyperlipidemic and high fat diet induced obese rats. Lipids 2013; 48:597-607. [PMID: 23334955 DOI: 10.1007/s11745-012-3753-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Accepted: 12/19/2012] [Indexed: 01/04/2023]
Abstract
Miglitol, an anti-diabetic drug, has been shown to reduce plasma lipids and inhibit free radical generation. The anti-hyperlipidemic and antioxidant effects of miglitol were studied in triton-induced hyperlipidemic rats and high fat diet-fed obese rats. Plasma cholesterol and triglycerides levels were significantly lowered by miglitol at 100 mg/kg body weight doses. Miglitol inhibited generation of superoxide anion and hydroxyl free radicals by 14 and 31 % in enzymatic systems and 19 and 25 % in non-enzymatic systems, respectively. The in-vitro effect of the drug on adipogenesis using 3T3-L₁ preadipocytes at 2-, 5- and 10-μM concentrations showed significant inhibition of adipogenesis (34.2 %) at 10-μM concentration. High fat diet-fed rat model was used to investigate anti-hyperlipidemic, anti-obesity and antioxidant effect of miglitol. Miglitol increased the activities of lecithin-cholesterol-acyltransferase (19 %), post heparin lipolytic activity (26 %), lipoprotein lipase (26 %) and triglyceride lipase (31 %) which result in a decrease in plasma lipid levels. The antioxidant enzymes viz., catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase and thioredoxin reductase were increased by the drug in the treated animals. The antihyperlipidemic and antioxidant effect of miglitol can be correlated to its effect on different enzymes and it can be used for inhibiting the development of cardiovascular diseases.
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Affiliation(s)
- Atul Shrivastava
- Biochemistry Division, CSIR-Central Drug Research Institute, 1 M.G. Marg, Lucknow 226001, India
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Kim DH, Puri N, Sodhi K, Falck JR, Abraham NG, Shapiro J, Schwartzman ML. Cyclooxygenase-2 dependent metabolism of 20-HETE increases adiposity and adipocyte enlargement in mesenchymal stem cell-derived adipocytes. J Lipid Res 2013; 54:786-793. [PMID: 23293373 PMCID: PMC3617952 DOI: 10.1194/jlr.m033894] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
20-Hydroxy-5,8,11,14-eicosatetraenoic acid (20-HETE), a product of the cytochrome
P450 (CYP)-catalyzed ω-hydroxylation of arachidonic acid, induces
oxidative stress and, in clinical studies, is associated with increased body
mass index (BMI) and the metabolic syndrome. This study was designed to examine
the effects of exogenous 20-HETE on mesenchymal stem cell (MSC)-derived
adipocytes. The expression levels of CYP4A11 and CYP4F2 (major 20-HETE synthases
in humans) in MSCs decreased during adipocyte differentiation; however,
exogenous administration of 20-HETE (0.1–1 μM) increased adipogenesis
in a dose-dependent manner in these cells (P < 0.05). The
inability of a 20-HETE analog to reproduce these effects suggested the
involvement of a metabolic product of 20-HETE in mediating its pro-adipogenic
effects. A cyclooxygenase (COX)-1 selective inhibitor enhanced, whereas a COX-2
selective or a dual COX-1/2 inhibitor attenuated adipogenesis induced by
20-HETE. The COX-derived metabolite of 20-HETE, 20-OH-PGE2, enhanced
adipogenesis and lipid accumulation in MSCs. The pro-adipogenic effects of
20-HETE and 20-OH-PGE2 resulted in the increased expression of the
adipogenic regulators PPARγ and β-catenin in MSC-derived adipocytes.
Taken together we show for the first time that 20-HETE-derived COX-2-dependent
20-OH-PGE2 enhances mature inflamed adipocyte hypertrophy in MSC
undergoing adipogenic differentiation.
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Affiliation(s)
- Dong Hyun Kim
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Nitin Puri
- Department of Physiology and Pharmacology, University of Toledo College of Medicine, Toledo, OH
| | - Komal Sodhi
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - John R Falck
- Department of Biochemistry and Pharmacology, University of Texas Southwestern Medical Center of Dallas, Dallas, TX
| | - Nader G Abraham
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
| | - Joseph Shapiro
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV
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Ueno T, Fujimori K. Novel suppression mechanism operating in early phase of adipogenesis by positive feedback loop for enhancement of cyclooxygenase-2 expression through prostaglandin F2α receptor mediated activation of MEK/ERK-CREB cascade. FEBS J 2011; 278:2901-12. [DOI: 10.1111/j.1742-4658.2011.08213.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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