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Guevara Agudelo FA, Leblanc N, Bourdeau-Julien I, St-Arnaud G, Lacroix S, Martin C, Flamand N, Veilleux A, Di Marzo V, Raymond F. Impact of selenium on the intestinal microbiome-eCBome axis in the context of diet-related metabolic health in mice. Front Immunol 2022; 13:1028412. [PMID: 36439185 PMCID: PMC9692131 DOI: 10.3389/fimmu.2022.1028412] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 10/25/2022] [Indexed: 07/30/2024] Open
Abstract
Dietary micronutrients act at the intestinal level, thereby influencing microbial communities, the host endocannabinoidome, and immune and anti-oxidative response. Selenium (Se) is a trace element with several health benefits. Indeed, Se plays an important role in the regulation of enzymes with antioxidative and anti-inflammatory activity as well as indicators of the level of oxidative stress, which, together with chronic low-grade inflammation, is associated to obesity. To understand how Se variations affect diet-related metabolic health, we fed female and male mice for 28 days with Se-depleted or Se-enriched diets combined with low- and high-fat/sucrose diets. We quantified the plasma and intestinal endocannabinoidome, profiled the gut microbiota, and measured intestinal gene expression related to the immune and the antioxidant responses in the intestinal microenvironment. Overall, we show that intestinal segment-specific microbiota alterations occur following high-fat or low-fat diets enriched or depleted in Se, concomitantly with modifications of circulating endocannabinoidome mediators and changes in cytokine and antioxidant enzyme expression. Specifically, Se enrichment was associated with increased circulating plasma levels of 2-docosahexaenoyl-glycerol (2-DHG), a mediator with putative beneficial actions on metabolism and inflammation. Others eCBome mediators also responded to the diets. Concomitantly, changes in gut microbiota were observed in Se-enriched diets following a high-fat diet, including an increase in the relative abundance of Peptostreptococcaceae and Lactobacillaceae. With respect to the intestinal immune response and anti-oxidative gene expression, we observed a decrease in the expression of proinflammatory genes Il1β and Tnfα in high-fat Se-enriched diets in caecum, while in ileum an increase in the expression levels of the antioxidant gene Gpx4 was observed following Se depletion. The sex of the animal influenced the response to the diet of both the gut microbiota and endocannabinoid mediators. These results identify Se as a regulator of the gut microbiome and endocannabinoidome in conjunction with high-fat diet, and might be relevant to the development of new nutritional strategies to improve metabolic health and chronic low-grade inflammation associated to metabolic disorders.
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Affiliation(s)
- Fredy Alexander Guevara Agudelo
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
| | - Nadine Leblanc
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
| | - Isabelle Bourdeau-Julien
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
| | - Gabrielle St-Arnaud
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
| | - Sébastien Lacroix
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
| | - Cyril Martin
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Medicine, Institut Universitaire de Cardiologie et Pneumologie de Quebec, Université Laval, Québec, QC, Canada
| | - Nicolas Flamand
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Medicine, Institut Universitaire de Cardiologie et Pneumologie de Quebec, Université Laval, Québec, QC, Canada
| | - Alain Veilleux
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
| | - Vincenzo Di Marzo
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
- Faculty of Medicine, Institut Universitaire de Cardiologie et Pneumologie de Quebec, Université Laval, Québec, QC, Canada
| | - Frédéric Raymond
- Centre Nutrition, santé et société (NUTRISS), and Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC, Canada
- Canada Excellence Research Chair on the Microbiome – Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Université Laval, Québec, QC, Canada
- Faculty of Agriculture and Food Sciences, Université Laval, Québec, QC, Canada
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Liu G, Li J, Pang B, Li Y, Xu F, Liao N, Shao D, Jiang C, Shi J. Potential role of selenium in alleviating obesity-related iron dyshomeostasis. Crit Rev Food Sci Nutr 2022; 63:10032-10046. [PMID: 35574661 DOI: 10.1080/10408398.2022.2074961] [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] [Indexed: 11/03/2022]
Abstract
Obesity is a serious health problem in modern life and increases the risk of many comorbidities including iron dyshomeostasis. In contrast to malnourished anemia, obesity-related iron dyshomeostasis is mainly caused by excessive fat accumulation, inflammation, and disordered gut microbiota. In obesity, iron dyshomeostasis also induces disorders associated with gut microbiota, neurodegenerative injury, oxidative damage, and fat accumulation in the liver. Selenium deficiency is often accompanied by obesity or iron deficiency, and selenium supplementation has been shown to alleviate obesity and overcome iron deficiency. Selenium inhibits fat accumulation and exhibits anti-inflammatory activity. It regulates gut microbiota, prevents neurodegenerative injury, alleviates oxidative damage to the body, and ameliorates hepatic fat accumulation. These effects theoretically meet the requirements for the inhibition of factors underlying obesity-related iron dyshomeostasis. Selenium supplementation may have a potential role in the alleviation of obesity-related iron dyshomeostasis. This review verifies this hypothesis in theory. All the currently reported causes and results of obesity-related iron dyshomeostasis are reviewed comprehensively, together with the effects of selenium. The challenges and strategies of selenium supplementation are also discussed. The findings demonstrate the possibility of selenium-containing drugs or functional foods in alleviating obesity-related iron dyshomeostasis.
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Affiliation(s)
- Guanwen Liu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Junjun Li
- College of Enology, Northwest A&F University, Yangling, Shaanxi, People's Republic of China
| | - Bing Pang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Yinghui Li
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Fengqin Xu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Ning Liao
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Dongyan Shao
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Chunmei Jiang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Junling Shi
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
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Zavros A, Giannaki CD, Aphamis G, Roupa Z, Andreou E. The Effects of Zinc and Selenium Supplementation on Body Composition and Thyroid Function in Individuals with Overweight or Obesity: A Systematic Review. J Diet Suppl 2022:1-29. [PMID: 35532055 DOI: 10.1080/19390211.2022.2072044] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
People with obesity have been found to have lower zinc (Zn) and selenium (Se) circulatory levels and abnormal thyroid function than people with normal weight. Studies about the effects of Zn and Se supplementation on body composition and thyroid function of overweight-obese people showed inconsistent results. A systematic review of randomized controlled trials was conducted to determine the effects of Ζn supplementation, Se supplementation, and their combination on body composition and thyroid function of individuals with overweight or obesity. Databases of PubMed, ScienceDirect, and Cochrane, were searched from inception to February 27, 2022, to identify relevant articles. For the assessment of the methodological quality of the studies, the Jadad scale was used. After screening the articles, thirteen studies were finally included and were analyzed using the strength of the evidence approach. Regarding the effectiveness of Zn supplementation on body composition, moderate evidence was found, while the effects of Se were found to be mixed. Zn supplementation was found to affect the thyroid function of people with overweight or obesity by increasing their free triiodothyronine (FT3) levels. However, this result is based only on one study among hypothyroid patients. At this point, the effectiveness of Zn, Se, and their combination, on the body composition and the thyroid function of people with overweight or obesity cannot safely be determined because of the controversial results, small number, and the limitations of the identified studies. The results of this systematic review must be interpreted with caution due to the limitations detected.
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Affiliation(s)
- Antonis Zavros
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | | | - George Aphamis
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | - Zoe Roupa
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | - Eleni Andreou
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
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Santos ADC, Passos AFF, Holzbach LC, Cominetti C. Selenium Intake and Glycemic Control in Young Adults With Normal-Weight Obesity Syndrome. Front Nutr 2021; 8:696325. [PMID: 34490321 PMCID: PMC8416674 DOI: 10.3389/fnut.2021.696325] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/03/2021] [Indexed: 11/13/2022] Open
Abstract
Numerous endogenous functions related to antioxidant processes, reproduction, and thyroid metabolism, as well as actions related to glycemic control, have been attributed to selenium. This study aimed to evaluate whether dietary selenium consumption is associated with variables of glycemic control in a sample of young Brazilian adults with Normal-Weight Obesity (NWO) syndrome. This was a cross-sectional study that evaluated 270 individuals with adequate body weight and excess body fat, who had their body composition assessed by dual-energy X-ray absorptiometry. Socioeconomic, health, and lifestyle questionnaires and three 24-h food records were applied. Glycemic control markers were also evaluated. The prevalence of inadequate selenium intake was analyzed by the Estimated Average Requirement (EAR) cut-point method. The prevalence of disturbances in glycemic control markers according to selenium consumption was compared by either the chi-square or the Fisher's exact test, with individuals classified according to the EAR values for selenium. The associations were evaluated by multiple linear regressions, using the backward strategy. The mean ± standard deviation (SD) age was 23.7 ± 3.3 years, and the mean ± SD daily selenium intake was 59.2 ± 26.4 μg. The overall prevalence of inadequate selenium intake was 59.2%. Individuals with selenium intakes below the EAR (≤45 μg/day) showed higher concentrations of glycated hemoglobin (HbA1c) (P = 0.002) and a higher prevalence of disturbances in HbA1c than those with selenium intakes above the EAR (>45 μg/day) (P = 0.001). Dietary selenium intake was directly associated with female sex (β = 19.95, 95% CI 5.00 to 34.89; P = 0.001) and weight (β = 6.69, 95% CI 0.56 to 12.81; P = 0.010), and inversely associated with the percentage of total body fat (β = -0.80, 95% CI -1.56 to -0,04; P = 0.010) and HbA1c (β = -7.41, 95% CI -13.06 to -1.75; P = 0.010). Considering the noticeable young age of the individuals evaluated and the high frequency of disturbances in HbA1c concentrations in those with selenium consumption below the recommendation, it is suggested that adequate dietary intake or supplementation of this micronutrient should be guaranteed to prevent future possible complications associated with glycemic control disturbances.
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Affiliation(s)
- Acsa de Castro Santos
- Nutritional Genomics Research Group. Graduate Program in Nutrition and Health, School of Nutrition, Federal University of Goias, Goiania, Brazil
| | - Anna Flavia Ferreira Passos
- Nutritional Genomics Research Group. Graduate Program in Nutrition and Health, School of Nutrition, Federal University of Goias, Goiania, Brazil
| | - Luciana Carla Holzbach
- Nutritional Genomics Research Group. Graduate Program in Nutrition and Health, School of Nutrition, Federal University of Goias, Goiania, Brazil
- Nutrition Undergraduate Course, Federal University of Tocantins, Palmas, Brazil
| | - Cristiane Cominetti
- Nutritional Genomics Research Group. Graduate Program in Nutrition and Health, School of Nutrition, Federal University of Goias, Goiania, Brazil
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Abo El-Magd NF, Barbosa PO, Nick J, Covalero V, Grignetti G, Bermano G. Selenium, as selenite, prevents adipogenesis by modulating selenoproteins gene expression and oxidative stress-related genes. Nutrition 2021; 93:111424. [PMID: 34592570 DOI: 10.1016/j.nut.2021.111424] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/02/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVES The aim of this study was to assess the effect of the micronutrient selenium, as inorganic selenite, on adipocytes differentiation, and to identify underlying molecular mechanisms to advance the understanding of basic cellular mechanisms associated with adipogenesis. METHODS The effect of sodium selenite (Na2SeO3) on cell viability (bromide 3-[4,5-dimethylthiazol-2-yl]-2,5-difeniltetrazol [MTT] assay) in preadipocytes, lipid accumulation (oil red O [ORO] assay) and intracellular reactive oxygen species (ROS, [NBT assay]) in mature adipocytes, as well as explore molecular mechanisms via gene expression analyses (real-time quantitative polymerase chain reaction), before and after differentiation, was investigated using 3T3-L1 murine preadipocytes. RESULTS Selenite (100, 200, and 400 nM) significantly decreased lipid accumulation during differentiation compared with untreated adipocytes (P < 0.05, 0.001, and 0.01, respectively). Preadipocytes exposure (48 h) to selenite caused an increase in glutathione peroxidase 1 (Gpx1) gene expression in a dose-dependent manner. Adipogenesis significantly increased intracellular reactive oxygen species levels (P < 0.05) while decreasing gene expression of antioxidant enzymes (Gpx1: P < 0.05) and significantly increasing gene expression of regulators of lipid catabolism (type II iodothyronine deiodinase [Dio2], P < 0.01) and markers of differentiation (eg, selenium-binding protein 1 [Selenbp1], peroxisome proliferator activated receptor gamma [Pparg], CCAAT/enhancer binding protein alpha [Cebpa], and fatty acid binding protein 4 [Fab4]) compared with preadipocytes (P < 0.01, 0.01, 0.01, and 0.001, respectively). Selenite exposure (200 nM) caused a significant increase in Gpx1, selenoprotein W (Selenow) and selenoprotein P (Selenop) gene expression, in adipocytes compared with untreated ones (P < 0.01, 0.001, and 0.05, respectively) with a significant decrease in heme oxygenase 1 (Ho-1), cyclooxygenase 2 (Cox2), Dio2, and Fabp4 gene expression (P < 0.001, 0.05, 0.05, and 0.01, respectively). CONCLUSIONS Selenium, as selenite, prevented adipogenesis through increasing antioxidant selenoprotein expression, leading to decreased inflammatory markers and, subsequently, to a decrease in differentiation and lipid deposition. These findings, if demonstrated in vivo, could provide valuable data for novel dietary approaches to prevent obesity.
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Affiliation(s)
- Nada F Abo El-Magd
- Centre for Obesity Research and Education, School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom; Biochemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Priscila O Barbosa
- Centre for Obesity Research and Education, School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom
| | - Julia Nick
- Centre for Obesity Research and Education, School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom
| | - Viviana Covalero
- Centre for Obesity Research and Education, School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom
| | - Giacomo Grignetti
- Centre for Obesity Research and Education, School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom
| | - Giovanna Bermano
- Centre for Obesity Research and Education, School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom.
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Bevinakoppamath S, Saleh Ahmed AM, Ramachandra SC, Vishwanath P, Prashant A. Chemopreventive and Anticancer Property of Selenoproteins in Obese Breast Cancer. Front Pharmacol 2021; 12:618172. [PMID: 33935708 PMCID: PMC8087246 DOI: 10.3389/fphar.2021.618172] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/05/2021] [Indexed: 12/24/2022] Open
Abstract
Obesity is a significant risk factor for various cancers including breast cancer resulting in an increased risk of recurrence as well as morbidity and mortality. Extensive studies on various pathways have been successful in establishing a biological relationship between obesity and breast cancer. The molecular classification of breast cancer includes five groups each having different responses to treatment. Increased levels of inflammatory cytokines seen in obese conditions drive the pro-proliferative pathways, such as the influx of macrophages, angiogenesis, and antiapoptotic pathways. Increased peripheral aromatization of androgens by aromatase increases the circulating estrogen levels which are also responsible for the association of obesity with breast cancer. Also, increased oxidative stress due to chronic low-grade inflammation in obese women plays an important role in carcinogenesis. Despite the availability of safe and effective treatment options for breast cancer, obese women are at increased risk of adverse outcomes including treatment-related toxicities. In the recent decade, selenium compounds have gained substantial interest as chemopreventive and anticancer agents. The chemical derivatives of selenium include inorganic and organic compounds that exhibit pro-oxidant properties and alter cellular redox homeostasis. They target more than one metabolic pathway by thiol modifications, induction of reactive oxygen species, and chromatin modifications to exert their chemopreventive and anticancer activities. The primary functional effectors of selenium that play a significant role in human homeostasis are selenoproteins like glutathione peroxidase, thioredoxin reductase, iodothyronine deiodinases, and selenoprotein P. Selenoproteins play a significant role in adipose tissue physiology by modulating preadipocyte proliferation and adipogenic differentiation. They correlate negatively with body mass index resulting in increased oxidative stress that may lead to carcinogenesis in obese individuals. Methylseleninic acid effectively suppresses aromatase activation thus reducing the estrogen levels and acting as a breast cancer chemopreventive agent. Adipose-derived inflammatory mediators influence the selenium metabolites and affect the proliferation and metastatic properties of cancer cells. Recently selenium nanoparticles have shown potent anticancer activity which may lead to a major breakthrough in the management of cancers caused due to multiple pathways. In this review, we discuss the possible role of selenoproteins as chemopreventive and an anticancer agent in obese breast cancer.
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Affiliation(s)
- Supriya Bevinakoppamath
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysore, India
| | - Adel Mohammed Saleh Ahmed
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysore, India
| | - Shobha Chikkavaddaraguddi Ramachandra
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysore, India
| | - Prashant Vishwanath
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysore, India
| | - Akila Prashant
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysore, India
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Low selenium intake is associated with postpartum weight retention in Chinese women and impaired physical development of their offspring. Br J Nutr 2021; 126:1498-1509. [PMID: 33427139 DOI: 10.1017/s0007114521000015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The aim of this study was to investigate the association between daily Se intake and postpartum weight retention (PPWR) among Chinese lactating women, and the impact of their Se nutritional status on infants' physical development. Se contents in breast milk and plasma collected from 264 lactating Chinese women at the 42nd day postpartum were analysed with inductively coupled plasma MS. Daily Se intake was calculated based on plasma Se concentration. The dietary data of 24-h records on three consecutive days were collected. Infant growth status was evaluated with WHO standards by Z-scores. Linear regression analyses and multinomial logistic regression were conducted to examine the impact of Se disequilibrium (including other factors) on PPWR and growth of infants, respectively. The results indicated that: (1) the daily Se intake of the subjects was negatively associated with their PPWR (B = -0·002, 95 % CI - 0·003, 0·000, P = 0·039); (2) both insufficient Se daily intake (B = -0·001, OR 0·999, 95 % CI 0·998, 1·000, P = 0·014) and low level of Se in milk (B = -0·025, OR 0·975, 95 % CI 0·951, 0·999, P = 0·021) had potential associations with their infants' wasting, and low level of Se in milk (B = -0·159, OR 0·853, 95 % CI 0·743, 0·980, P = 0·024) had a significant association with their infants' overweight. In conclusion, the insufficient Se nutritional status of lactating Chinese women was first found as one possible influencing factor of their PPWR as well as low physical development of their offspring.
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Wongdokmai R, Shantavasinkul PC, Chanprasertyothin S, Panpunuan P, Matchariyakul D, Sritara P, Sirivarasai J. The Involvement of Selenium in Type 2 Diabetes Development Related to Obesity and Low Grade Inflammation. Diabetes Metab Syndr Obes 2021; 14:1669-1680. [PMID: 33883916 PMCID: PMC8055366 DOI: 10.2147/dmso.s303146] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/24/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Effects of the micronutrient selenium have been proposed in obesity and type 2 diabetes mellitus (T2DM) that involve impairments in glucose metabolic pathways and the insulin signaling cascade, mediated through oxidative stress and inflammation. However, the evidence collected to date through animal and epidemiologic studies has been inconclusive. Therefore, in the present study, we aimed to evaluate the relationships of selenium status and inflammation with T2DM and obesity. METHODS Participants in the re-survey of the Electricity Generating Authority of Thailand (EGAT)2 study conducted in 2013 (N=655, age 45-60 years) were allocated to three groups based on their body mass index (World Health Organization Asia-Pacific Classification), and their serum selenium and high-sensitivity C-reactive protein (hs-CRP) concentrations and other clinical parameters were compared. RESULTS Significant differences in serum selenium and hs-CRP among the groups were associated with differences in fasting blood glucose and glycated hemoglobin, as well as differences in the prevalence of prediabetes or T2DM. The adjusted odds ratios (ORs) (95% confidence intervals) for prediabetes or diabetes were 1.991 (1.318-3.009) and 3.786 (2.087-6.896) for the lowest and highest tertiles of serum selenium concentration in the entire sample and obese participants, respectively. Furthermore, the rising extent of hs-CRP increased the significantly associated with prediabetes or diabetes (adjusted ORs; 2.268 for the entire sample, 4.043 for the overweight and 1.910 for the obesity). CONCLUSION Selenium status may be linked to both obesity and T2DM through its effects on signaling pathways. Further nutrigenomic studies are required to clarify the relationship between selenium and metabolic diseases.
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Affiliation(s)
- Rossukon Wongdokmai
- Doctoral Program in Nutrition, Faculty of Medicine Ramathibodi Hospital and Institute of Nutrition, Mahidol University, Bangkok, Thailand
| | | | | | - Pachara Panpunuan
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | | | - Piyamitr Sritara
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Jintana Sirivarasai
- Graduate Program in Nutrition, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Correspondence: Jintana Sirivarasai Graduate Program in Nutrition, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama 6 Road, Ratchatavee District, Bangkok, 10400, ThailandTel +662-201-1483Fax +662-201-2625 Email
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Selenium and Selenoproteins in Adipose Tissue Physiology and Obesity. Biomolecules 2020; 10:biom10040658. [PMID: 32344656 PMCID: PMC7225961 DOI: 10.3390/biom10040658] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/13/2020] [Accepted: 04/20/2020] [Indexed: 12/14/2022] Open
Abstract
Selenium (Se) homeostasis is tightly related to carbohydrate and lipid metabolism, but its possible roles in obesity development and in adipocyte metabolism are unclear. The objective of the present study is to review the current data on Se status in obesity and to discuss the interference between Se and selenoprotein metabolism in adipocyte physiology and obesity pathogenesis. The overview and meta-analysis of the studies on blood Se and selenoprotein P (SELENOP) levels, as well as glutathione peroxidase (GPX) activity in obese subjects, have yielded heterogenous and even conflicting results. Laboratory studies demonstrate that Se may modulate preadipocyte proliferation and adipogenic differentiation, and also interfere with insulin signaling, and regulate lipolysis. Knockout models have demonstrated that the selenoprotein machinery, including endoplasmic reticulum-resident selenoproteins together with GPXs and thioredoxin reductases (TXNRDs), are tightly related to adipocyte development and functioning. In conclusion, Se and selenoproteins appear to play an essential role in adipose tissue physiology, although human data are inconsistent. Taken together, these findings do not support the utility of Se supplementation to prevent or alleviate obesity in humans. Further human and laboratory studies are required to elucidate associations between Se metabolism and obesity.
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Cavedon E, Manso J, Negro I, Censi S, Serra R, Busetto L, Vettor R, Plebani M, Pezzani R, Nacamulli D, Mian C. Selenium Supplementation, Body Mass Composition, and Leptin Levels in Patients with Obesity on a Balanced Mildly Hypocaloric Diet: A Pilot Study. Int J Endocrinol 2020; 2020:4802739. [PMID: 32565792 PMCID: PMC7275228 DOI: 10.1155/2020/4802739] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/05/2020] [Accepted: 03/18/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Adequate levels of selenium (Se) have protective effects against several chronic diseases, such as obesity. The aim of this study was to assess the effect of Se supplementation in a selected group of patients with obesity. METHODS This randomized prospective study included 37 overweight/obese individuals aged 18-65 years, who adopted a slightly hypocaloric diet for 3 months. An intervention group received 240 μg/day of L-selenomethionine for 3 months; a control group received a placebo. Clinical and biochemical parameters, body composition measurements, and the Psychological General Well-Being Index (PGWBI) questionnaire were tested at the beginning and end of the treatment. RESULTS A comparison of the two groups showed a significant change in body composition, involving a decrease in body fat mass, between the baseline and the end of the follow-up, in the intervention group. Unlike the placebo group, the group given Se had a significant increase in lean body and muscle mass and a significant decrease in leptin levels after 3 months on diet. At the end of the follow-up, the group given Se scored higher on the PGWBI than those who did not. CONCLUSION Se could reinforce the effects of diet for overweight and obesity. This work was registered in the ISRCTN registry with study ID ISRCTN6106073.
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Affiliation(s)
- Elisabetta Cavedon
- Familial Cancer Clinic and Oncoendocrinology, Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | - Jacopo Manso
- Endocrinology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Isabella Negro
- Internal Medicine, Alto Vicentino Hospital, Santorso (VI), Italy
| | - Simona Censi
- Endocrinology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Roberto Serra
- Internal Medicine 3, Department of Medicine, University of Padua, Padua, Italy
| | - Luca Busetto
- Internal Medicine 3, Department of Medicine, University of Padua, Padua, Italy
| | - Roberto Vettor
- Internal Medicine 3, Department of Medicine, University of Padua, Padua, Italy
| | - Mario Plebani
- Department of Laboratory Medicine, University of Padua, Padua, Italy
| | - Raffaele Pezzani
- Endocrinology Unit, Department of Medicine, University of Padua, Padua, Italy
- AIROB, Associazione Italiana per La Ricerca Oncologica di Base, Padua, Italy
| | - Davide Nacamulli
- Endocrinology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Caterina Mian
- Endocrinology Unit, Department of Medicine, University of Padua, Padua, Italy
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11
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Flores EM, Woeller CF, Falsetta ML, Susiarjo M, Phipps RP. Thy1 (CD90) expression is regulated by DNA methylation during adipogenesis. FASEB J 2019; 33:3353-3363. [PMID: 30376360 PMCID: PMC6404567 DOI: 10.1096/fj.201801481r] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 10/09/2018] [Indexed: 12/23/2022]
Abstract
The obesity epidemic is developing into the most costly health problem facing the world. Obesity, characterized by excessive adipogenesis and enlarged adipocytes, promotes morbidities, such as diabetes, cardiovascular disease, and cancer. Regulation of adipogenesis is critical to our understanding of how fat cell formation causes obesity and associated health problems. Thy1 (also called CD90), a widely used stem cell marker, blocks adipogenesis and reduces lipid accumulation. Thy1-knockout mice are prone to diet-induced obesity. Although the importance of Thy1 in adipogenesis and obesity is now evident, how its expression is regulated is not. We hypothesized that DNA methylation has a role in promoting adipogenesis and affects Thy1 expression. Using the methylation inhibitor 5-aza-2'-deoxycytidine (5-aza-dC), we investigated whether DNA methylation alters Thy1 expression during adipogenesis in both mouse 3T3-L1 preadipocytes and mouse mesenchymal stem cells. Thy1 protein and mRNA levels were decreased dramatically during adipogenesis. However, 5-aza-dC treatment prevented that phenomenon. Methylation-sensitive pyrosequencing analysis showed that CpG sites at the Thy1 locus have increased methylation during adipogenesis, as well as increased methylation in adipose tissue from diet-induced obese mice. These new findings highlight the potential role of Thy1 and DNA methylation in adipogenesis and obesity.-Flores, E. M., Woeller, C. F., Falsetta, M. L., Susiarjo, M., Phipps, R. P. Thy1 (CD90) expression is regulated by DNA methylation during adipogenesis.
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Affiliation(s)
- E’Lissa M. Flores
- Clinical and Translational Science Institute, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
| | - Collynn F. Woeller
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA; and
| | - Megan L. Falsetta
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA; and
| | - Martha Susiarjo
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA; and
| | - Richard P. Phipps
- Clinical and Translational Science Institute, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA; and
- Department of Microbiology and Immunology, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
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12
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Steinbrenner H, Micoogullari M, Hoang NA, Bergheim I, Klotz LO, Sies H. Selenium-binding protein 1 (SELENBP1) is a marker of mature adipocytes. Redox Biol 2018; 20:489-495. [PMID: 30469030 PMCID: PMC6249406 DOI: 10.1016/j.redox.2018.11.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/01/2018] [Accepted: 11/06/2018] [Indexed: 12/18/2022] Open
Abstract
Selenium-binding protein 1 (SELENBP1) has recently been reported to catalyse the oxidation of methanethiol, an organosulfur compound produced by gut microbiota. Two of the reaction products of methanethiol oxidation, hydrogen peroxide and hydrogen sulphide, serve as signalling molecules for cell differentiation. Indeed, colonocyte differentiation has been found to be associated with SELENBP1 induction. Here, we show that SELENBP1 is induced when 3T3-L1 preadipocytes undergo terminal differentiation and maturation to adipocytes. SELENBP1 induction succeeded the up-regulation of known marker proteins of white adipocytes and the intracellular accumulation of lipids. Immunofluorescence microscopy revealed predominant cytoplasmic localisation of SELENBP1 in 3T3-L1 adipocytes, as demonstrated by co-staining with the key lipogenic enzyme, acetyl-CoA-carboxylase (ACC), located in cytosol. In differentiating 3T3-L1 cells, the mTOR inhibitor rapamycin and the pro-inflammatory cytokine tumour necrosis factor alpha (TNF-α) likewise suppressed SELENBP1 induction, adipocyte differentiation and lipid accumulation. However, lipid accumulation per se is not linked to SELENBP1 induction, as hepatic SELENBP1 was down-regulated in high fructose-fed mice despite increased lipogenesis in the liver and development of non-alcoholic fatty liver disease (NAFLD). In conclusion, SELENBP1 is a marker of cell differentiation/maturation rather than being linked to lipogenesis/lipid accumulation.
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Affiliation(s)
- Holger Steinbrenner
- Institute of Nutritional Sciences, Nutrigenomics, Friedrich Schiller University Jena, Jena, Germany.
| | - Mustafa Micoogullari
- Institute of Biochemistry and Molecular Biology I, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Ngoc Anh Hoang
- Institute of Nutritional Sciences, Nutrigenomics, Friedrich Schiller University Jena, Jena, Germany
| | - Ina Bergheim
- Department of Nutritional Sciences, Molecular Nutritional Science, University Vienna, Vienna, Austria
| | - Lars-Oliver Klotz
- Institute of Nutritional Sciences, Nutrigenomics, Friedrich Schiller University Jena, Jena, Germany
| | - Helmut Sies
- Institute of Biochemistry and Molecular Biology I, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
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Kim CY, Kim KH. Selenate Prevents Adipogenesis through Induction of Selenoprotein S and Attenuation of Endoplasmic Reticulum Stress. Molecules 2018; 23:molecules23112882. [PMID: 30400605 PMCID: PMC6278472 DOI: 10.3390/molecules23112882] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/01/2018] [Accepted: 11/02/2018] [Indexed: 12/05/2022] Open
Abstract
The conversion of preadipocytes to adipocytes (adipogenesis) is a potential target to treat or prevent obesity. Selenate, an inorganic form of selenium, elicits diverse health benefits, mainly through its incorporation into selenoproteins. The individual roles of selenium and certain selenoproteins have been reported. However, the effects of selenate treatment on selenoproteins in adipocytes are unclear. In this study, the effects of selenate pretreatment on selenoprotein and endoplasmic reticulum (ER) stress during adipogenesis were examined in vitro. The selenate pretreatment dose-dependently suppressed the adipogenesis of 3T3-L1 preadipocytes. The selenate pretreatment at 50 μM for 24 h almost completely suppressed adipogenesis without cytotoxic effects. The expression of the adipogenic genes peroxisome proliferator-activated receptor gamma, CCAAT-enhancer binding protein alpha, and leptin was suppressed by selenate. This pretreatment also upregulated selenoprotein S (SEPS1), an ER resident selenoprotein that reduces ER stress, and prevented dexamethasone-induced SEPS1 degradation during the early stage of adipogenesis. The selenate-inhibited adipogenesis was associated with an attenuation of ER stress. The expression of the ER stress marker genes was upregulated during the early stage of differentiation, whereas the selenate pretreatment suppressed the mRNA expression of the XBP1 and C/EBP homologous protein. The collective data suggest a preventive role of selenate and SEPS1 in adipogenesis, and support a novel dietary approach to prevent obesity.
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Affiliation(s)
- Choon Young Kim
- Department of Food and Nutrition, Yeungnam University, 280 Daehak-ro, Gyeongsan, Gyeongbuk 38541, Korea.
| | - Kee-Hong Kim
- Department of Food Science, Purdue University, West Lafayette, IN 47897, USA.
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15
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Youn UY, Kim RH, Kim GN, Lee SC. Antioxidant and anti-adipogenic activities of the nuts of Castanopsis cuspidata var. thunbergii. Food Sci Biotechnol 2017; 26:1407-1414. [PMID: 30263676 PMCID: PMC6049773 DOI: 10.1007/s10068-017-0183-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/29/2017] [Accepted: 06/01/2017] [Indexed: 01/01/2023] Open
Abstract
The antioxidant and anti-adipogenic activities of the water extract (WE) and methanol extract (ME) of the shell and kernel of Castanopsis cuspidata var. thunbergii (CCT) nuts were evaluated. The shell extracts showed higher DPPH and ABTS radical scavenging activities (RSAs) than did the kernel extracts. Furthermore, the RSA of the ME was higher than that of the WE, regardless of the part. The total phenolic contents (TPCs) of the ME of the shell and kernel were 71.38 and 10.56 mg gallic acid equivalent (GAE)/100 mg extract, respectively. The TPCs of the WE of the shell and kernel were 17.44 and 9.27 mg GAE/100 mg extract, respectively. The WE inhibited 3T3-L1 adipogenesis more effectively than did the ME, and the shell extracts suppressed 3T3-L1 adipogenesis more effectively than did the kernel extracts. These results suggest that CCT nut kernels (ME) and shells (WE) may be strategically used to enhance antioxidant or and anti-obesity materials.
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Affiliation(s)
- Un-Young Youn
- Department of Food, Nutrition and Biotechnology, College of Health Sciences, Kyungnam University, Changwon, 51767 Republic of Korea
| | - Ryeong-Hyeon Kim
- Department of Food, Nutrition and Biotechnology, College of Health Sciences, Kyungnam University, Changwon, 51767 Republic of Korea
| | - Gyo-Nam Kim
- Department of Food, Nutrition and Biotechnology, College of Health Sciences, Kyungnam University, Changwon, 51767 Republic of Korea
| | - Seung-Cheol Lee
- Department of Food, Nutrition and Biotechnology, College of Health Sciences, Kyungnam University, Changwon, 51767 Republic of Korea
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Safdari-Rostamabad M, Hosseini-Vashan SJ, Perai AH, Sarir H. Nanoselenium Supplementation of Heat-Stressed Broilers: Effects on Performance, Carcass Characteristics, Blood Metabolites, Immune Response, Antioxidant Status, and Jejunal Morphology. Biol Trace Elem Res 2017; 178:105-116. [PMID: 27878513 DOI: 10.1007/s12011-016-0899-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 11/11/2016] [Indexed: 02/07/2023]
Abstract
An experiment was conducted to investigate the effects of dietary nanoselenium supplementation at 0, 0.6 and 1.2 mg/kg of diet on growth performance, serum biochemical parameters, immune response, antioxidant capacity, and jejunal morphology of 29-d-old male broilers subjected to heat stress at 37 ± 1°C for 14 d. Broilers were fed for 42 d on the experimental diets. The results showed that nanoselenium supplementation had no effect on growth performance, but it supplementation at the rate of 1.2 mg/kg diet decreased the serum concentration of cholesterol prior to the heat exposure. Further, dietary nanoselenium supplementation linearly increased the high-density lipoprotein cholesterol concentration, while linearly decreased those of low-density lipoprotein cholesterol and aspartate aminotransferase in the serum before applying heat stress. Compared with thermoneutral temperature, heat stress reduced body mass gain, feed intake, percentages of carcass, breast, leg, abdominal fat, bursa of Fabricius, thymus, antibody response against sheep red blood cells, serum concentration of protein, erythrocyte activities of glutathione peroxidase and superoxide dismutase, jejunal villus height, and villus height to crypt depth ratio, while increased feed conversion ratio, percentages of liver, gizzard, pancreas, gallbladder, heart, and the concentrations of aspartate aminotransferase and malondialdehyde. Dietary supplementation of nanoselenium linearly reduced the abdominal fat and liver percentages, while linearly increased the activity of glutathione peroxidase and villus height in heat-stressed broilers. Furthermore, the lower level of nanoselenium decreased the percentages of gizzard and heart in broilers under heat stress. The diet supplemented with 1.2 mg/kg nanoselenium improved feed conversion ratio and increased antibody response against sheep red blood cells, activity of superoxide dismutase, and villus height to crypt depth ratio, but decreased the serum concentrations of cholesterol, low-density lipoprotein cholesterol, and malondialdehyde in heat-stressed broilers. The results suggest that supplemental nanoselenium improved growth performance, internal organs health, immune response, and jejunal morphology by alleviating the oxidative stress induced by heat stress.
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Affiliation(s)
- Morteza Safdari-Rostamabad
- Department of Animal Science, Faculty of Agriculture, University of Birjand, PO Box 91775-163, Birjand, Iran
| | | | - Ali Hossein Perai
- Department of Animal Science, College of Agriculture and Natural Resources, Razi University, PO Box 6715685418, Kermanshah, Iran
| | - Hadi Sarir
- Department of Animal Science, Faculty of Agriculture, University of Birjand, PO Box 91775-163, Birjand, Iran
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Chen WH, Lin CM, Huang CF, Hsu WC, Lee CH, Ou KL, Dubey NK, Deng WP. Functional Recovery in Osteoarthritic Chondrocytes Through Hyaluronic Acid and Platelet-Rich Plasma-Inhibited Infrapatellar Fat Pad Adipocytes. Am J Sports Med 2016; 44:2696-2705. [PMID: 27400716 DOI: 10.1177/0363546516651822] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Recent studies have shown evidence that higher adiposity in the infrapatellar fat pad (IFP) induces inflammatory phenotypes in the knee joint and thereby contributes to the development and progression of osteoarthritis (OA). In particular, IFP adipocyte-derived inflammatory cytokines participate in pathological events. Our previous research has already addressed the therapeutic efficacy of hyaluronic acid and platelet-rich plasma (HA+PRP), including the promotion of cartilage regeneration and the inhibition of inflammation. The current study aimed to explore the remedial action of coadministered HA+PRP in OA recovery via IFP adipocyte inhibition. HYPOTHESIS HA+PRP repairs OA articular cartilage by inhibiting the release of adipokines from IFP adipocytes. STUDY DESIGN Controlled laboratory study. METHODS IFP adipocytes and articular chondrocytes were obtained from 10 patients with OA, and the effects of releasates containing cytokines and adipokines in IFP adipocyte-derived conditioned medium (IACM) on articular chondrocytes and IFP adipocytes themselves were evaluated. The therapeutic efficacy of exogenous HA+PRP was determined through its administration to cocultured IFP adipocytes and articular chondrocytes and further demonstrated in a 3-dimensional (3D) arthritic neocartilage model. RESULTS The IACM and IFP adipocyte-induced microenvironment could induce dedifferentiated and inflammatory phenotypes in articular chondrocytes. HA+PRP decreased the inflammatory potential of IFP adipocytes through the profound inhibition of cytokines and adipokines. The IACM-mediated and -reduced cartilaginous extracellular matrix could also be recovered through HA+PRP in the 3D arthritic neocartilage model. CONCLUSION IFP adipocyte-derived releasates mediated inflammatory response dedifferentiation in chondrocytes, which was recovered through HA+PRP administration. CLINICAL RELEVANCE Our findings demonstrated that HA+PRP effectively diminished IFP adipocyte-promoted inflammation in articular chondrocytes, indicating that the IFP could be a potential therapeutic target for OA therapy.
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Affiliation(s)
- Wei-Hong Chen
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Chien-Min Lin
- Department of Neurosurgery, Taipei Medical University-Shuang Ho Hospital, Ministry of Health and Welfare, Taipei, Taiwan
| | - Chiung-Fang Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Che Hsu
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Chian-Her Lee
- Department of Orthopaedics and Traumatology, Orthopaedic Research Center, Taipei Medical University Hospital, Taipei, Taiwan
| | - Keng-Liang Ou
- Research Center for Biomedical Implants and Microsurgery Devices, Taipei, Taiwan Research Center for Biomedical Devices and Prototype Production, Taipei, Taiwan
| | - Navneet Kumar Dubey
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Win-Ping Deng
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan College of Medicine, Fu-Jen Catholic University, Taipei, Taiwan
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18
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Shon MS, Kim RH, Kwon OJ, Roh SS, Kim GN. Beneficial role and function of fisetin in skin health via regulation of the CCN2/TGF-β signaling pathway. Food Sci Biotechnol 2016; 25:133-141. [PMID: 30263498 DOI: 10.1007/s10068-016-0110-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 01/23/2016] [Accepted: 01/24/2016] [Indexed: 01/05/2023] Open
Abstract
Skin is composed of multiple layers, including the epidermis, dermis, and hypodermis. Although several biological activities of fisetin have been reported, beneficial effects and the functions of fisetin in skin remain unclear. B16F10 melanoma cells, human skin fibroblasts, and 3T3-L1 cells were used to examine the beneficial effects of fisetin in skin health. α-MSH- and IBMX-induced melanosis in B16F10 melanoma cells was inhibited by fisetin treatment, which also enhanced mRNA expression levels of skin fibril-related genes via the CCN2/TGF-β signaling pathway. Decreased intracellular lipid accumulation via down-regulation of transcriptional factors through activation of the CCN2/TGF-β signaling pathway was observed. A novel function of fisetin in skin health via down-regulation of melanosis and adipogenesis, and up-regulation of skin fibril-related genes was observed. Evidence for development of nutri-cosmetics for skin health is presented.
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Affiliation(s)
- Myung-Soo Shon
- 1Department of Food, Nutrition and Biotechnology, Kyungnam University, Changwon, 51767 Korea
| | - Ryeong-Hyeon Kim
- 1Department of Food, Nutrition and Biotechnology, Kyungnam University, Changwon, 51767 Korea
| | - O Jun Kwon
- Daegyeong Institute for Regional Industry Evaluation, Daegyeong Institute for Regional Program Evaluation, Daegu, 38542 Korea
| | - Seong-Soo Roh
- 3Department of Herbology, Daegu Haany University, Daegu, 42158 Korea
| | - Gyo-Nam Kim
- 1Department of Food, Nutrition and Biotechnology, Kyungnam University, Changwon, 51767 Korea
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Significant Beneficial Association of High Dietary Selenium Intake with Reduced Body Fat in the CODING Study. Nutrients 2016; 8:nu8010024. [PMID: 26742059 PMCID: PMC4728638 DOI: 10.3390/nu8010024] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 12/21/2015] [Accepted: 12/22/2015] [Indexed: 02/08/2023] Open
Abstract
Selenium (Se) is a trace element which plays an important role in adipocyte hypertrophy and adipogenesis. Some studies suggest that variations in serum Se may be associated with obesity. However, there are few studies examining the relationship between dietary Se and obesity, and findings are inconsistent. We aimed to investigate the association between dietary Se intake and a panel of obesity measurements with systematic control of major confounding factors. A total of 3214 subjects participated in the study. Dietary Se intake was determined from the Willett food frequency questionnaire. Body composition was measured using dual-energy X-ray absorptiometry. Obese men and women had the lowest dietary Se intake, being 24% to 31% lower than corresponding normal weight men and women, classified by both BMI and body fat percentage. Moreover, subjects with the highest dietary Se intake had the lowest BMI, waist circumference, and trunk, android, gynoid and total body fat percentages, with a clear dose-dependent inverse relationship observed in both gender groups. Furthermore, significant negative associations discovered between dietary Se intake and obesity measurements were independent of age, total dietary calorie intake, physical activity, smoking, alcohol, medication, and menopausal status. Dietary Se intake alone may account for 9%–27% of the observed variations in body fat percentage. The findings from this study strongly suggest that high dietary Se intake is associated with a beneficial body composition profile.
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Malaypally SP, Liceaga AM, Kim KH, Ferruzzi M, Martin FS, Goforth RR. Influence of molecular weight on intracellular antioxidant activity of invasive silver carp ( Hypophthalmichthys molitrix ) protein hydrolysates. J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.06.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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21
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Kim CY, Zhu Y, Buhman KK, Kim KH. Dietary selenate attenuates adiposity and improves insulin sensitivity in high-fat diet-induced obese mice. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.05.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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Choi AR, Jee Jo M, Jung MJ, Sik Kim H, Yoon S. Selenate specifically sensitizes drug-resistant cancer cells by increasing apoptosis via G2 phase cell cycle arrest without P-GP inhibition. Eur J Pharmacol 2015; 764:63-69. [PMID: 26134503 DOI: 10.1016/j.ejphar.2015.06.046] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Revised: 06/02/2015] [Accepted: 06/25/2015] [Indexed: 01/09/2023]
Abstract
The purpose of this study was to identify conditions that will increase the sensitivity of drug-resistant cancer cells. Selenium derivatives have been shown to present anti-cancer properties in the clinic. Currently, selenate, selenite, selenomethionine (SeMet), methyl-selenocysteine (MSC), and methaneselenic acid (MSA) are the most common selenium derivatives used as drugs in humans. Herein, we tested whether these selenium derivatives can sensitize KBV20C cancer cells, which are highly resistant to anti-cancer drugs such as vincristine. All five drugs could sensitize KBV20C cells to the same extent as they sensitized the sensitive parent KB cells, suggesting that selenium-derived drugs can be used for drug-resistant cancer cells. We also observed that these drugs did not inhibit the P-glycoprotein (P-gp) pumping-out ability, suggesting that the sensitization by selenium-derived drugs does not depend on P-gp activity in resistant KBV20C cells. Interestingly, using a cell viability assay, microscopic observation, and Hoechst staining, we found that selenate highly sensitized drug-resistant KBV20C cells by activating the apoptotic pathway, when compared to sensitive KB cells. Furthermore, we investigated why selenate sensitizes resistant KBV20C cells. Selenate-induced toxicity was associated with an increase in G2-phase cell cycle arrest in KBV20C cells, suggesting that the selenate-induced increase in apoptosis resulted from cell cycle arrest in resistant KBV20C cells. Our findings may contribute to the development of selenate-based therapies for patients resistant to cancer drugs.
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Affiliation(s)
- Ae-Ran Choi
- Research Institute, National Cancer Center, Ilsan-gu, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Min Jee Jo
- Research Institute, National Cancer Center, Ilsan-gu, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Myung-Ji Jung
- Research Institute, National Cancer Center, Ilsan-gu, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Hyung Sik Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Sungpil Yoon
- Research Institute, National Cancer Center, Ilsan-gu, Goyang-si, Gyeonggi-do, Republic of Korea.
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Anti-adipogenic activity of blue mussel (Mytilus edulis) extract by regulation of 3T3-L1 adipogenesis through Wnt/β-catenin signaling pathway. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0042-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Hassan A, Ahn J, Suh Y, Choi YM, Chen P, Lee K. Selenium promotes adipogenic determination and differentiation of chicken embryonic fibroblasts with regulation of genes involved in fatty acid uptake, triacylglycerol synthesis and lipolysis. J Nutr Biochem 2014; 25:858-67. [PMID: 24838110 DOI: 10.1016/j.jnutbio.2014.03.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 03/17/2014] [Accepted: 03/24/2014] [Indexed: 12/17/2022]
Abstract
Selenium (Se) has been utilized in the differentiation of primary pig and rat preadipocytes, indicating that it may have proadipogenic potential; however, some studies have also demonstrated that Se has antiadipogenic activity. In this study, chicken embryonic fibroblasts (CEFs) were used to investigate the role of Se in adipogenesis in vitro and in ovo. Se supplementation increased lipid droplet accumulation and inhibited proliferation of cultured CEFs isolated from 6-day-old embryos dose-dependently. This suggests that Se may play a role in cell cycle inhibition, thereby promoting the differentiation of fibroblasts to adipocytes. Se did not stimulate adipogenic differentiation of CEFs isolated from 9- to 12-day-old embryos, implying a permissive stage of adipogenic determination by Se at earlier embryonic ages. Microarray analysis comparing control and Se treatments on CEFs from 6-day-old embryos and confirmatory analysis by quantitative real-time polymerase chain reaction revealed that genes involved in adipocyte determination and differentiation, fatty acid uptake and triacylglycerol synthesis were up-regulated. In addition, up-regulation of an anti-lipolytic G0/G1 switch gene 2 and down-regulation of a prolipolytic monoglyceride lipase may lead to inhibition of lipolysis by Se. Both osteogenic and myogenic genes were down-regulated, and several genes related to oxidative stress response during adipogenesis were up-regulated. In ovo injection of Se at embryonic day 8 increased adipose tissue mass by 30% and caused adipocyte hypertrophy in 17-day-old chicken embryos, further supporting the proadipogenic role of Se during the embryonic development of chickens. These results suggest that Se plays a significant role in several mechanisms related to adipogenesis.
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Affiliation(s)
- Aishlin Hassan
- Department of Animal Sciences, The Ohio State University, Columbus, OH, 43210
| | - Jinsoo Ahn
- Department of Animal Sciences, The Ohio State University, Columbus, OH, 43210; The Ohio State University Interdisciplinary Ph.D. Program in Nutrition, The Ohio State University, Columbus, OH, 43210
| | - Yeunsu Suh
- Department of Animal Sciences, The Ohio State University, Columbus, OH, 43210
| | - Young Min Choi
- Department of Animal Sciences, The Ohio State University, Columbus, OH, 43210
| | - Paula Chen
- Department of Animal Sciences, The Ohio State University, Columbus, OH, 43210
| | - Kichoon Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH, 43210; The Ohio State University Interdisciplinary Ph.D. Program in Nutrition, The Ohio State University, Columbus, OH, 43210.
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25
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Wallenberg M, Misra S, Björnstedt M. Selenium cytotoxicity in cancer. Basic Clin Pharmacol Toxicol 2014; 114:377-86. [PMID: 24529300 DOI: 10.1111/bcpt.12207] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 01/21/2013] [Indexed: 01/05/2023]
Abstract
Selenium is an essential trace element with growth-modulating properties. Decades of research clearly demonstrate that selenium compounds inhibit the growth of malignant cells in diverse experimental model systems. However, the growth-modulating and cytotoxic mechanisms are diverse and far from clear. Lately, a remarkable tumour selective cytotoxicity of selenium compounds has been shown, indicating the potential of selenium in the treatment of cancer. Of particular interest are the redox-active selenium compounds exhibiting cytotoxic potential to tumour cells. These selenium compounds elicit complex patterns of pharmacodynamics and pharmacokinetics, leading to cell death pathways that differ among compounds. Modern oncology often focuses on targeted ligand-based therapeutic strategies that are specific to their molecular targets. These drugs are initially efficient, but the tumour cells often rapidly develop resistance against these drugs. In contrast, certain redox-active selenium compounds induce complex cascades of pro-death signalling at pharmacological concentrations with superior tumour specificity. The target molecules are often the ones that are important for the survival of cancer cells and often implicated in drug resistance. Therefore, the chemotherapeutic applications of selenium offer great possibilities of multi-target attacks on tumour cells. This MiniReview focuses on the tumour-specific cytotoxic effects of selenium, with special emphasis on cascades of cellular events induced by the major groups of pharmacologically active selenium compounds. Furthermore, the great pharmacological potential of selenium in the treatment of resistant cancers is discussed.
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Affiliation(s)
- Marita Wallenberg
- Division of Pathology F46, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
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26
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Peng J, Nemec M, Brolese E, Bosshardt DD, Schaller B, Buser D, Gruber R. Bone-Conditioned Medium Inhibits Osteogenic and Adipogenic Differentiation of Mesenchymal Cells In Vitro. Clin Implant Dent Relat Res 2014; 17:938-49. [PMID: 24461197 DOI: 10.1111/cid.12200] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND AND PURPOSE Autografts are used for bone reconstruction in regenerative medicine including oral and maxillofacial surgery. Bone grafts release paracrine signals that can reach mesenchymal cells at defect sites. The impact of the paracrine signals on osteogenic, adipogenic, and chondrogenic differentiation of mesenchymal cells has remained unclear. MATERIAL AND METHODS Osteogenesis, adipogenesis, and chondrogenesis were studied with murine ST2 osteoblast progenitors, 3T3-L1 preadipocytes, and ATDC5 prechondrogenic cells, respectively. Primary periodontal fibroblasts from the gingiva, from the periodontal ligament, and from bone were also included in the analysis. Cells were exposed to bone-conditioned medium (BCM) that was prepared from porcine cortical bone chips. RESULTS BCM inhibited osteogenic and adipogenic differentiation of ST2 and 3T3-L1 cells, respectively, as shown by histological staining and gene expression. No substantial changes in the expression of chondrogenic genes were observed in ATDC5 cells. Primary periodontal fibroblasts also showed a robust decrease in alkaline phosphatase and peroxisome proliferator-activated receptor gamma (PPARγ) expression when exposed to BCM. BCM also increased collagen type 10 expression. Pharmacologic blocking of transforming growth factor (TGF)-β receptor type I kinase with SB431542 and the smad-3 inhibitor SIS3 at least partially reversed the effect of BCM on PPARγ and collagen type 10 expression. In support of BCM having TGF-β activity, the respective target genes were increasingly expressed in periodontal fibroblasts. CONCLUSIONS The present work is a pioneer study on the paracrine activity of bone grafts. The findings suggest that cortical bone chips release soluble signals that can modulate differentiation of mesenchymal cells in vitro at least partially involving TGF-β signaling.
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Affiliation(s)
- Jianbo Peng
- Department of Cranio-Maxillofacial Surgery, Inselspital, University of Bern, Bern, Switzerland.,Laboratory of Oral Cell Biology, School of Dental Medicine, University of Bern, Bern, Switzerland.,College of Stomatology, GuangXi Medical University, GuangXi, China
| | - Michael Nemec
- Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Laboratory of Oral Cell Biology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Eliane Brolese
- Department of Cranio-Maxillofacial Surgery, Inselspital, University of Bern, Bern, Switzerland.,Laboratory of Oral Cell Biology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Dieter D Bosshardt
- Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Robert K. Schenk Laboratory of Oral Histology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Benoit Schaller
- Department of Cranio-Maxillofacial Surgery, Inselspital, University of Bern, Bern, Switzerland
| | - Daniel Buser
- Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Reinhard Gruber
- Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Laboratory of Oral Cell Biology, School of Dental Medicine, University of Bern, Bern, Switzerland
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Vinceti M, Crespi CM, Malagoli C, Del Giovane C, Krogh V. Friend or foe? The current epidemiologic evidence on selenium and human cancer risk. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2013; 31:305-41. [PMID: 24171437 PMCID: PMC3827666 DOI: 10.1080/10590501.2013.844757] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Scientific opinion on the relationship between selenium and the risk of cancer has undergone radical change over the years, with selenium first viewed as a possible carcinogen in the 1940s then as a possible cancer preventive agent in the 1960s-2000s. More recently, randomized controlled trials have found no effect on cancer risk but suggest possible low-dose dermatologic and endocrine toxicity, and animal studies indicate both carcinogenic and cancer-preventive effects. A growing body of evidence from human and laboratory studies indicates dramatically different biological effects of the various inorganic and organic chemical forms of selenium, which may explain apparent inconsistencies across studies. These chemical form-specific effects also have important implications for exposure and health risk assessment. Overall, available epidemiologic evidence suggests no cancer preventive effect of increased selenium intake in healthy individuals and possible increased risk of other diseases and disorders.
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Affiliation(s)
- Marco Vinceti
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), University of Modena and Reggio Emilia, Modena, Italy
- Department of Diagnostic, Clinical Medicine and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Catherine M. Crespi
- Department of Biostatistics, University of California Los Angeles Fielding School of Public Health, Los Angeles, California, USA
| | - Carlotta Malagoli
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), University of Modena and Reggio Emilia, Modena, Italy
- Department of Diagnostic, Clinical Medicine and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Cinzia Del Giovane
- Department of Diagnostic, Clinical Medicine and Public Health Medicine, University of Modena and Reggio Emilia, Modena, Italy
- Italian Cochrane Centre, University of Modena and Reggio Emilia, Modena, Modena, Italy
| | - Vittorio Krogh
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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