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Bekkering S, Saner C, Novakovic B, Mansell T, Longmore DK, McCallum Z, Ponsonby AL, Juonala M, Netea MG, Sabin MA, Saffery R, Riksen NP, Burgner DP. Increased innate immune responses in adolescents with obesity and its relation to subclinical cardiovascular measures: An exploratory study. iScience 2024; 27:109762. [PMID: 38741712 PMCID: PMC11089376 DOI: 10.1016/j.isci.2024.109762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/16/2024] [Accepted: 04/15/2024] [Indexed: 05/16/2024] Open
Abstract
Cardiometabolic risk accrues across the life course and childhood and adolescence are key periods for effective prevention. Obesity is associated with inflammation in adults, but pediatric data are scarce. In a cross-sectional and longitudinal study, we investigated immune cell composition and activation in 31 adolescents with obesity (41.9% male, BMIz>2.5, 14.4 years) and 22 controls with healthy weight (45.1% male, -1.5
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Affiliation(s)
- Siroon Bekkering
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen 6525 GA, the Netherlands
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
| | - Christoph Saner
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Division of Pediatric Endocrinology, Diabetology and Metabolism, Department of Pediatrics, University Children`s Hospital Bern, Inselspital, Bern 3010, Switzerland
- Department of Biomedical Research, University of Bern, 3010 Bern, Switzerland
| | - Boris Novakovic
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, VIC 3052, Australia
| | - Toby Mansell
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, VIC 3052, Australia
| | - Danielle K. Longmore
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Department of Endocrinology, The Royal Children`s Hospital, Parkville, VIC 3052, Australia
| | - Zoe McCallum
- Department of Paediatrics, The University of Melbourne, Parkville, VIC 3052, Australia
- Department of Neurodevelopment and Disability, Royal Children’s Hospital, Parkville, VIC 3052, Australia
| | - Anne-Louise Ponsonby
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia
| | - Markus Juonala
- Department of Medicine, University of Turku, 20500 Turku, Finland
- Division of Medicine, Turku University Hospital, 20500 Turku, Finland
| | - Mihai G. Netea
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen 6525 GA, the Netherlands
- Department of Immunology and Metabolism, Life and Medical Sciences Institute, University of Bonn, 53115 Bonn, Germany
| | - Matthew A. Sabin
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Department of Endocrinology, The Royal Children`s Hospital, Parkville, VIC 3052, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, VIC 3052, Australia
| | - Richard Saffery
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, VIC 3052, Australia
| | - Niels P. Riksen
- Department of Internal Medicine, Radboud University Medical Centre, Nijmegen 6525 GA, the Netherlands
| | - David P. Burgner
- Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, VIC 3052, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, VIC 3052, Australia
- Department of Pediatrics, Monash University, Clayton, VIC 3168, Australia
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2
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Voltan C, Concer F, Pecoraro L, Pietrobelli A, Piacentini G, Zaffanello M. Exploring the Complex Interplay of Obesity, Allergic Diseases, and Sleep-Disordered Breathing in Children. CHILDREN (BASEL, SWITZERLAND) 2024; 11:595. [PMID: 38790590 PMCID: PMC11120164 DOI: 10.3390/children11050595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/29/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
This narrative review study investigates the correlations between obesity, allergies, and sleep-disordered breathing in pediatric populations. Searches for pertinent articles were conducted on the Medline PubMed Advanced Search Builder, Scopus, and Web of Science databases from unlimited to April 2024. Sleep-disordered breathing causes repeated upper airway obstructions, leading to apneas and restless sleep. Childhood obesity, which affects around 20% of children, is often associated with sleep-disordered breathing and allergies such as asthma and allergic rhinitis. It is distinguished between diet-induced obesity (resulting from excess of diet and physical inactivity) and genetic obesity (such as is seen in Down syndrome and Prader-Willi syndrome). In children with diet-induced obesity, chronic inflammation linked to weight can worsen allergies and increase the risk and severity of asthma and rhinitis. Furthermore, the nasal congestion typical of rhinitis can contribute to upper respiratory tract obstruction and obstructive sleep apnea. A vicious circle is created between asthma and sleep-disordered breathing: uncontrolled asthma and sleep-disordered breathing can worsen each other. In children with genetic obesity, despite alterations in the immune system, fewer allergies are observed compared to the broader population. The causes of this reduced allergenicity are unclear but probably involve genetic, immunological, and environmental factors. Additional research is necessary to elucidate the underlying mechanisms. The present narrative review study emphasizes the importance of jointly evaluating and managing allergies, obesity, and obstructive sleep apnea in children considering their close interconnection.
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Affiliation(s)
| | | | | | | | | | - Marco Zaffanello
- Pediatric Clinic, Department of Surgery, Dentistry, Gynecology and Pediatrics, University of Verona, 37129 Verona, Italy (A.P.)
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Ullah A, Singla RK, Batool Z, Cao D, Shen B. Pro- and anti-inflammatory cytokines are the game-changers in childhood obesity-associated metabolic disorders (diabetes and non-alcoholic fatty liver diseases). Rev Endocr Metab Disord 2024:10.1007/s11154-024-09884-y. [PMID: 38709387 DOI: 10.1007/s11154-024-09884-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/01/2024] [Indexed: 05/07/2024]
Abstract
Childhood obesity is a chronic inflammatory epidemic that affects children worldwide. Obesity affects approximately 1 in 5 children worldwide. Obesity in children can worsen weight gain and raise the risk of obesity-related comorbidities like diabetes and non-alcoholic fatty liver disease (NAFLD). It can also negatively impact the quality of life for these children. Obesity disrupts immune system function, influencing cytokine (interleukins) balance and expression levels, adipokines, and innate and adaptive immune cells. The altered expression of immune system mediators, including interleukin-1 (IL-1), interleukin-6 (IL-6), interleukin-8 (IL-8), interleukin-17 (IL-17), interleukin-18 (IL-18), transforming growth factor (TGF), tumor necrosis factor (TNF), and others, caused inflammation, progression, and the development of pediatric obesity and linked illnesses such as diabetes and NAFLD. Furthermore, anti-inflammatory cytokines, including interleukin-2 (IL-2), have been shown to have anti-diabetes and IL-1 receptor antagonist (IL-1Ra) anti-diabetic and pro-NAFLFD properties, and interleukin-10 (IL-10) has been shown to have a dual role in managing diabetes and anti-NAFLD. In light of the substantial increase in childhood obesity-associated disorders such as diabetes and NAFLD and the absence of an effective pharmaceutical intervention to inhibit immune modulation factors, it is critical to consider the alteration of immune system components as a preventive and therapeutic approach. Thus, the current review focuses on the most recent information regarding the influence of pro- and anti-inflammatory cytokines (interleukins) and their molecular mechanisms on pediatric obesity-associated disorders (diabetes and NAFLD). Furthermore, we discussed the current therapeutic clinical trials in childhood obesity-associated diseases, diabetes, and NAFLD.
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Affiliation(s)
- Amin Ullah
- Department of Abdominal Oncology, Cancer Center of West China Hospital and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Rajeev K Singla
- Department of Abdominal Oncology, Cancer Center of West China Hospital and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
- School of Pharmaceutical Sciences, Lovely Professional University, 144411, Phagwara, Punjab, India
| | - Zahra Batool
- Department of Abdominal Oncology, Cancer Center of West China Hospital and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Dan Cao
- Department of Abdominal Oncology, Cancer Center of West China Hospital and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Bairong Shen
- Department of Abdominal Oncology, Cancer Center of West China Hospital and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.
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4
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Acciarino A, Diwakarla S, Handreck J, Bergola C, Sahakian L, McQuade RM. The role of the gastrointestinal barrier in obesity-associated systemic inflammation. Obes Rev 2024; 25:e13673. [PMID: 38111141 DOI: 10.1111/obr.13673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 10/05/2023] [Accepted: 10/27/2023] [Indexed: 12/20/2023]
Abstract
Systemic inflammation is a key contributor to the onset and progression of several obesity-associated diseases and is thought to predominantly arise from the hyperplasia and hypertrophy of white adipose tissue. However, a growing body of works suggests that early changes in the gastrointestinal (GI) barrier may contribute to both local, within the GI lining, and systemic inflammation in obesity. Intestinal barrier dysfunction is well-characterized in inflammatory GI disorders such as inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) and is known to contribute to systemic inflammation. Thus, drawing parallels between GI disorders, where intestinal permeability and systemic inflammation are prominent features, and obesity-induced GI manifestations may provide insights into the potential role of the intestinal barrier in systemic inflammation in obesity. This review summarizes the current literature surrounding intestinal barrier dysfunction in obesity and explores the potential role of intestinal hyperpermeability and intestinal barrier dysfunction in the development of systemic inflammation and GI dysfunction in obesity.
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Affiliation(s)
- Adriana Acciarino
- Gut Barrier and Disease Laboratory, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medicine, Western Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Shanti Diwakarla
- Gut Barrier and Disease Laboratory, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medicine, Western Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Jessica Handreck
- Gut Barrier and Disease Laboratory, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medicine, Western Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Cedrick Bergola
- Gut Barrier and Disease Laboratory, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Lauren Sahakian
- Gut Barrier and Disease Laboratory, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Rachel M McQuade
- Gut Barrier and Disease Laboratory, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Medicine, Western Health, The University of Melbourne, Melbourne, Victoria, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), Melbourne University, Melbourne, Victoria, Australia
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Costa PCT, de Souza JR, Lima PC, Duarte DB, Viana das Neves TAF, Pereira JKG, Silva-Luis CC, de Moraes RCS, Braga VDA, de Souza EL, Martins VJB, de Brito Alves JL. Evaluation of cardiac autonomic function and low-grade inflammation in children with obesity living in the Northeast Brazilian region. J Pediatr (Rio J) 2024; 100:74-80. [PMID: 37597533 PMCID: PMC10751692 DOI: 10.1016/j.jped.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 08/21/2023] Open
Abstract
OBJECTIVE Evaluate autonomic function and low-grade inflammation and characterize the correlation between these variables in schoolchildren with obesity living in the Brazilian northeast region. METHODS 84 children with obesity and 41 with normal weight were included in this cross-sectional study. Anthropometry, body composition, blood pressure (BP), inflammatory biomarkers, and heart rate variability (HRV) indexes were analyzed in children aged 7 to 11 years. RESULTS children with obesity had increased systolic (p = 0.0017) and diastolic (p = 0.0131) BP and heart rate (p = 0.0022). The children with obesity displayed significantly lower SDNN, RMSSD, NN50, HF (ms), HF (nu), SD1, SD2, and higher LF (ms), LF (nu), LF/HF, SD1/SD2, DFA-α1, and DFA-α2, compared to normal weight. A lower and higher capacity for producing IL-10 (p = 0.039) and IL-2 (p = 0.009), respectively, were found in children with obesity compared to children with normal weight. Although IL-2, IL-4 and IL17A did not correlate with HRV parameters, IL-6 was positively correlated with SDNN, LF (ms) and SD2, TNF-α was positively correlated with LF/HF and SD1/SD2 ratio, and IFN-γ was positively correlated with SDNN, RMMSSD, NN50, LF (ms), HF (ms), SD1, and SD2. CONCLUSIONS The findings suggest that children with obesity have impaired autonomic function and systemic low-grade inflammation compared to children within the normal weight range, the inflammatory biomarkers were correlated with HRV parameters in schoolchildren living in the northeastern region of Brazil.
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Affiliation(s)
| | | | - Poliana Correia Lima
- Universidade Federal da Paraíba, Departamento de Nutrição, João Pessoa, PB, Brazil
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Poudel B, Ekperikpe US, Mandal S, Wilson GE, Shields CA, Cornelius DC, Williams JM. Chronic treatment with IL-25 increases renal M2 macrophages and reduces renal injury in obese Dahl salt-sensitive rats during the prepubescent stage. Am J Physiol Renal Physiol 2023; 325:F87-F98. [PMID: 37167270 PMCID: PMC10292980 DOI: 10.1152/ajprenal.00209.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 04/25/2023] [Accepted: 05/03/2023] [Indexed: 05/13/2023] Open
Abstract
Recently, we have reported that the early progression of proteinuria in the obese Dahl salt-sensitive (SS) leptin receptor mutant (SSLepRmutant) strain was associated with increased renal macrophage infiltration before puberty. Macrophages can be divided into two distinct phenotypes: M1 (proinflammatory) and M2 (anti-inflammatory). Moreover, previous studies have demonstrated that interleukin (IL)-25 converts resting macrophages and M1 into M2. Therefore, the present study examined whether treatment with IL-25 would reduce the early progression of renal injury in SSLepRmutant rats by increasing renal M2. We also investigated the impact of IL-25 on M2 subtypes: M2a (wound healing/anti-inflammatory), M2b (immune mediated/proinflammatory), M2c (regulatory/anti-inflammatory), and M2d (tumor associated/proangiogenic). Four-wk-old SS and SSLepRmutant rats were treated with either control (IgG) or IL-25 (1 µg/day ip every other day) for 4 wk. The kidneys from SSLepRmutant rats displayed progressive proteinuria and renal histopathology versus SS rats. IL-25 treatment had no effect on these parameters in SS rats. However, in the SSLepRmutant strain, proteinuria was markedly reduced after IL-25 treatment. Chronic treatment with IL-25 significantly decreased glomerular and tubular injury and renal fibrosis in the SSLepRmutant strain. Although the administration of IL-25 did not change total renal macrophage infiltration in both SS and SSLepRmutant rats, IL-25 increased M2a by >50% and reduced M1 by 60% in the kidneys of SSLepRmutant rats. Overall, these data indicate that IL-25 reduces the early progression of renal injury in SSLepRmutant rats by inducing M2a and suppressing M1 and suggest that IL-25 may be a therapeutic target for renal disease associated with obesity. NEW & NOTEWORTHY For the past few decades, immune cells and inflammatory cytokines have been demonstrated to play an important role in the development of renal disease. The present study provides strong evidence that interleukin-25 slows the early progression of renal injury in obese Dahl salt-sensitive rats before puberty by increasing systemic anti-inflammatory cytokines and renal M2a macrophages.
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Affiliation(s)
- Bibek Poudel
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Ubong S Ekperikpe
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Sautan Mandal
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Gregory E Wilson
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Corbin A Shields
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Denise C Cornelius
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Jan M Williams
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
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7
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Belchior-Bezerra M, Lima RS, Medeiros NI, Gomes JAS. COVID-19, obesity, and immune response 2 years after the pandemic: A timeline of scientific advances. Obes Rev 2022; 23:e13496. [PMID: 35837843 PMCID: PMC9349458 DOI: 10.1111/obr.13496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 02/06/2023]
Abstract
In the 2 years since the COVID-19 pandemic was officially declared, science has made considerable strides in understanding the disease's pathophysiology, pharmacological treatments, immune response, and vaccination, but there is still much room for further advances, especially in comprehending its relationship with obesity. Science has not yet described the mechanisms that explain how obesity is directly associated with a poor prognosis. This paper gathers all published studies over the past 2 years that have described immune response, obesity, and COVID-19, a historical and chronological record for researchers and the general public alike. In summary, these studies describe how the cytokine/adipokine levels and inflammatory markers, such as the C-reactive protein, are associated with a higher body mass index in COVID-19-positive patients, suggesting that the inflammatory background and immune dysregulation in individuals with obesity may be expressed in the results and that adiposity may influence the immune response. The timeline presented here is a compilation of the results of 2 years of scientific inquiry, describing how the science has progressed, the principal findings, and the challenges ahead regarding SARS-CoV-2, COVID-19, and emerging variants, especially in patients with obesity.
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Affiliation(s)
- Mayara Belchior-Bezerra
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rafael Silva Lima
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Nayara I Medeiros
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.,Imunologia Celular e Molecular, Instituto René Rachou, Fundação Oswaldo Cruz - FIOCRUZ, Belo Horizonte, Brazil
| | - Juliana A S Gomes
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Melo APC, Teixeira HMP, Coelho RS, De Jesus TDS, Queiroz GA, Silva HDS, De Almeida YCF, Alcantara-Neves NM, De Matos SMA, D'innocenzo S, Silva RDCR, Lima Barreto M, Costa RDS, Pinto LC, Figueiredo CA. Variants in proinflammatory genes IL1RL1, IL1B and IRF4 are associated with overweight in a pediatric Brazilian population. Gene X 2022; 828:146478. [PMID: 35390444 DOI: 10.1016/j.gene.2022.146478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/30/2022] [Accepted: 04/01/2022] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Obesity is a chronic complex disease with great prevalence for children all over the world. Characterized for low-grade inflammation associated with several comorbidities such as resistance and type 2 diabetes mellitus (T2DM). OBJECTIVES To investigate whether genetic variants in IL10, IL1RL1, IL1B, IRF4, TNF, IL6, and IL33 genes are associated with being overweight in children. METHODS We performed the genotyping of 1004 children using Illumina 2.5 Human Omni bead chip, and association analysis on the genetic variants and the overweight through logistic regression adjusted for sex, age and components principal. RESULTS Of the seven genes analyzed, 16 SNVs significantly associated. Eleven variants in IL1RL1, two in IL1B and one in IRF4 genes increased overweight risk and two SNVs in IL1RL1 were associated with protection against overweight. The rs2287047-A was negatively associated (OR: 0.66, CI95%: 0.19-0.45) and had a reduced IL1RL1 expression in whole blood (p 0.033) in silico eQTL. The rs12203592-T, in IRF4, was positively associated with being overweight, and led to an increased gene expression in whole blood (p < 0.001) and adipose tissue (p < 0.001). CONCLUSION These results suggest that genetic variants in inflammatory genes may play an important role in the development of overweight in children.
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Affiliation(s)
| | | | - Raisa Santos Coelho
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, BA, Brazil
| | | | | | | | | | | | | | - Silvana D'innocenzo
- Instituto de Saúde Coletiva, Universidade Federal Da Bahia, Salvador, BA, Brazil
| | | | - Maurício Lima Barreto
- Instituto de Saúde Coletiva, Universidade Federal Da Bahia, Salvador, BA, Brazil; CIDACS - Centro de Integração De Dados E Conhecimentos Para Saúde, Fiocruz, Brazil
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Wang L, Gao T, Li Y, Xie Y, Zeng S, Tai C, Feng Y, Shen P, Wang B. A long-term anti-inflammation markedly alleviated high-fat diet-induced obesity by repeated administrations of overexpressing IL10 human umbilical cord-derived mesenchymal stromal cells. Stem Cell Res Ther 2022; 13:259. [PMID: 35715850 PMCID: PMC9204983 DOI: 10.1186/s13287-022-02935-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/12/2022] [Indexed: 12/23/2022] Open
Abstract
Objectives Obesity is a chronic process and could activate various inflammatory responses, which in turn aggravates obesity and related metabolic syndrome. Here we explored whether long-term inhibition of inflammation could successfully alleviate high-fat diet (HFD)-induced obesity. Methods We constructed stable overexpressing interleukin 10 (IL10) human umbilical cord-derived mesenchymal stromal cells (HUCMSCs) which repeatedly were applied to obesity mice with HFD feeding to obtain a long-term anti-inflammation based on the prominent anti-inflammation effects of IL10 and immunomodulatery effects of HUCMSCs. Then we monitored the features of obesity including body weight, serum ALT, AST, and lipids. In addition, glucose homeostasis was determined by glucose tolerance and insulin sensitivity tests. The infiltrated macrophages in adipose tissues and hepatic lipid accumulation were detected, and the expressions of adipogenesis and inflammatory genes in adipose tissues were examined by real-time (RT) PCR and western blot analysis. Results Compared with HUCMSCs, IL10-HUCMSCs treatment had much better anti-obesity effects including body weight reduction, less hepatic lipids accumulation, lower amount and size of adipocyte, greater glucose tolerance, less systemic insulin resistance, and less adipose tissue inflammation in HFD feeding mice. Finally, IL10-HUCMSCs could decrease the activation of MAPK JNK of adipose tissue induced by HFD. The inhibition of MAPK JNK signal pathway by a small chemical molecule SP600125 in 3T3-L1 cells, a preadipocyte line, reduced the differentiation of adipocytes and lipid droplet accumulation. Conclusion A lasting anti-inflammation based on gene modified stem cell therapy is an effective strategy in preventing diet-induced obesity and obesity-related metabolic syndrome.
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Affiliation(s)
- Liudi Wang
- Clinical Stem Cell Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210000, China
| | - Tianyun Gao
- Clinical Stem Cell Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210000, China
| | - Yu Li
- State Key Laboratory of Pharmaceutical Biotechnology and the Comprehensive Cancer Center, School of Life Science, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Yuanyuan Xie
- Clinical Stem Cell Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210000, China
| | - Sheng Zeng
- Clinical Stem Cell Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210000, China
| | - Chenxu Tai
- Clinical Stem Cell Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210000, China
| | - Yirui Feng
- State Key Laboratory of Pharmaceutical Biotechnology and the Comprehensive Cancer Center, School of Life Science, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Pingping Shen
- State Key Laboratory of Pharmaceutical Biotechnology and the Comprehensive Cancer Center, School of Life Science, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing University, Nanjing, Jiangsu Province, China.
| | - Bin Wang
- Clinical Stem Cell Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210000, China. .,College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China.
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10
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Li Q, Rempel JD, Yang J, Minuk GY. The Effects of Pathogen-Associated Molecular Patterns on Peripheral Blood Monocytes in Patients with Non-alcoholic Fatty Liver Disease. J Clin Exp Hepatol 2022; 12:808-817. [PMID: 35677503 PMCID: PMC9168738 DOI: 10.1016/j.jceh.2021.11.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 11/18/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Innate immune responses to gut-derived pathogen-associated molecular patterns (PAMPs) have been implicated in the pathogenesis of nonalcoholic fatty liver disease (NAFLD). Whether NAFLD patients have increased sensitivity to PAMP exposure has yet to be reported. METHODS Peripheral blood mononuclear cell (PBMC)/monocytes were exposed to lipopolysaccharide (LPS), Pam3CSK4, or BSA conjugated palmitate in vitro. Changes in toll-like receptors (TLR), cytokines, and chemokine receptors (CR) expressions were documented by flow cytometry and/or enzyme-linked immunoabsorbent assays (ELISAs). RESULTS TLR2 and TLR4 expression were similar at baseline and increased to a similar extent (TLR2) or remained unchanged (TLR4) following PAMP exposure in NAFLD and healthy control (HC) monocytes. Proinflammatory IL-1β and IL-6 levels were similar at baseline but increased in a concentration-dependent manner to a greater extent in NAFLD PBMCs. CCR1 and CCR2 expressions at baseline were similar and decreased to a similar extent in NAFLD and HC monocytes. The extent of PAMP-induced proinflammatory cytokine release correlated with evidence of hepatocyte injury (CK18M30 levels). DISCUSSION NAFLD patients have increased proinflammatory cytokine responses following exposure to PAMPs relative to HC subjects. This response is concentration-dependent and correlates with the extent of hepatic injury.
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Key Words
- ALT, alanine aminotransferase
- CM, culture medium
- CR, chemokine receptor
- ELISAs, enzyme-linked immunoabsorbent assays
- HC, healthy controls
- LPS, lipopolysaccharide
- NAFLD
- NAFLD, nonalcoholic fatty liver disease
- NASH
- PAMPs
- PAMPs, pathogen-associated molecular patterns
- PBMC, peripheral blood mononuclear cell
- Pal, palmitate
- Pam, Pam3CSK4
- TLR, toll-like receptor
- nonalcoholic fatty liver disease
- pathogen-associated molecular patterns
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Affiliation(s)
- Qian Li
- Section of Hepatology, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Julia D. Rempel
- Section of Hepatology, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Jiaqi Yang
- Section of Hepatology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Gerald Y. Minuk
- Section of Hepatology, University of Manitoba, Winnipeg, Manitoba, Canada
- Departments of Medicine, Pharmacology and Therapeutics, University of Manitoba, Winnipeg, Manitoba, Canada
- Address for correspondence: Dr. Gerald Y. Minuk, Morberg Family Chair in Hepatology, University of Manitoba, John Buhler Research Centre, 715 McDermot Ave., Winnipeg, MB R3E 3P4, Canada. Tel.: +(204) 789 3204; fax: +(204) 789 3987.
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11
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Looman KIM, Santos S, Moll HA, Leijten CWE, Grosserichter-Wagener C, Voortman T, Jaddoe VVW, van Zelm MC, Kiefte-de Jong JC. Childhood Adiposity Associated With Expanded Effector Memory CD8+ and Vδ2+Vγ9+ T Cells. J Clin Endocrinol Metab 2021; 106:e3923-e3935. [PMID: 34128988 DOI: 10.1210/clinem/dgab433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Adult obesity is associated with chronic low-grade inflammation and may give rise to future chronic disease. However, it is unclear whether adiposity-related inflammation is already apparent in childhood. OBJECTIVE To study associations between child adiposity measures with circulating monocytes and naive and memory subsets in CD4, CD8, and γδ T cell lineages. METHODS Ten-year-old children (n = 890) from the Generation R Cohort underwent dual-energy x-ray absorptiometry and magnetic resonance imaging for body composition (body mass index [BMI], fat mass index [FMI], android-to-gynoid fat mass ratio, visceral fat index, liver fat fraction). Blood samples were taken for detailed immunophenotyping of leukocytes by 11-color flow cytometry. RESULTS Several statistically significant associations were observed. A 1-SD increase in total FMI was associated with +8.4% (95% CI 2.0, 15.2) Vδ2+Vγ9+ and +7.4% (95% CI 2.4, 12.5) CD8+TEMRO cell numbers. A 1-SD increase in visceral fat index was associated with +10.7% (95% CI 3.3, 18.7) Vδ2+Vγ9+ and +8.3% (95% CI 2.6, 14.4) CD8+TEMRO cell numbers. Higher android-to-gynoid fat mass ratio was only associated with higher Vδ2+Vγ9+ T cells. Liver fat was associated with higher CD8+TEMRO cells but not with Vδ2+Vγ9+ T cells. Only liver fat was associated with lower Th17 cell numbers: a 1-SD increase was associated with -8.9% (95% CI -13.7, -3.7) Th17 cells. No associations for total CD8+, CD4+ T cells, or monocytes were observed. BMI was not associated with immune cells. CONCLUSION Higher Vδ2+Vγ9+ and CD8+TEMRO cell numbers in children with higher visceral fat index could reflect presence of adiposity-related inflammation in children with adiposity of a general population.
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Affiliation(s)
- Kirsten I M Looman
- Generation R Study Group, Erasmus MC, University Medical Center, GD, Rotterdam,the Netherlands
- Department of Pediatrics, Sophia Children's Hospital, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
| | - Susana Santos
- Generation R Study Group, Erasmus MC, University Medical Center, GD, Rotterdam,the Netherlands
- Department of Pediatrics, Sophia Children's Hospital, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
| | - Henriette A Moll
- Department of Pediatrics, Sophia Children's Hospital, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
| | - Charlotte W E Leijten
- Generation R Study Group, Erasmus MC, University Medical Center, GD, Rotterdam,the Netherlands
- Department of Pediatrics, Sophia Children's Hospital, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
| | | | - Trudy Voortman
- Generation R Study Group, Erasmus MC, University Medical Center, GD, Rotterdam,the Netherlands
- Department of Epidemiology, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
| | - Vincent V W Jaddoe
- Generation R Study Group, Erasmus MC, University Medical Center, GD, Rotterdam,the Netherlands
- Department of Pediatrics, Sophia Children's Hospital, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
| | - Menno C van Zelm
- Department of Immunology and Pathology, Central Clinical School, Monash University and Alfred Hospital, Melbourne, Victoria, Australia
| | - Jessica C Kiefte-de Jong
- Department of Pediatrics, Sophia Children's Hospital, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus MC, University Medical Center, GD, Rotterdam, the Netherlands
- Department of Public Health and Primary Care/LUMC Campus The Hague, Leiden University Medical Center, RC, Leiden,The Netherlands
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12
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Bikel S, López-Leal G, Cornejo-Granados F, Gallardo-Becerra L, García-López R, Sánchez F, Equihua-Medina E, Ochoa-Romo JP, López-Contreras BE, Canizales-Quinteros S, Hernández-Reyna A, Mendoza-Vargas A, Ochoa-Leyva A. Gut dsDNA virome shows diversity and richness alterations associated with childhood obesity and metabolic syndrome. iScience 2021; 24:102900. [PMID: 34409269 PMCID: PMC8361208 DOI: 10.1016/j.isci.2021.102900] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 05/01/2021] [Accepted: 07/21/2021] [Indexed: 01/19/2023] Open
Abstract
Changes in the human gut microbiome are associated with obesity and metabolic syndrome, but the role of the gut virome in both diseases remains largely unknown. We characterized the gut dsDNA virome of 28 school-aged children with healthy normal-weight (NW, n = 10), obesity (O, n = 10), and obesity with metabolic syndrome (OMS, n = 8), using metagenomic sequencing of virus-like particles (VLPs) from fecal samples. The virome classification confirmed the bacteriophages' dominance, mainly composed of Caudovirales. Notably, phage richness and diversity of individuals with O and OMS tended to increase, while the VLP abundance remained the same among all groups. Of the 4,611 phage contigs composing the phageome, 48 contigs were highly prevalent in ≥80% of individuals, suggesting high inter-individual phage diversity. The abundance of several contigs correlated with gut bacterial taxa; and with anthropometric and biochemical parameters altered in O and OMS. To our knowledge, this gut phageome represents one of the largest datasets and suggests disease-specific phage alterations.
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Affiliation(s)
- Shirley Bikel
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Gamaliel López-Leal
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Fernanda Cornejo-Granados
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Luigui Gallardo-Becerra
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Rodrigo García-López
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Filiberto Sánchez
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Edgar Equihua-Medina
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Juan Pablo Ochoa-Romo
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | - Blanca Estela López-Contreras
- Unidad de Genomica de Poblaciones Aplicada a la Salud, Facultad de Quimica, UNAM/Instituto Nacional de Medicina Genomica (INMEGEN), Mexico City, Mexico
| | - Samuel Canizales-Quinteros
- Unidad de Genomica de Poblaciones Aplicada a la Salud, Facultad de Quimica, UNAM/Instituto Nacional de Medicina Genomica (INMEGEN), Mexico City, Mexico
| | - Abigail Hernández-Reyna
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
| | | | - Adrian Ochoa-Leyva
- Departamento de Microbiologia Molecular, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico, Avenida Universidad 2001, Cuernavaca, Morelos 62210, Mexico
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13
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Cord blood levels of interleukin-10 decrease in neonates with increased birth weight: novel implications of the cytokine network in early obesity. Eur J Pediatr 2021; 180:2529-2537. [PMID: 33959818 DOI: 10.1007/s00431-021-04104-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 02/18/2021] [Accepted: 05/02/2021] [Indexed: 10/21/2022]
Abstract
Interleukin-10 (IL-10) and interferon-gamma (IFN-gamma) are associated with body weight alterations in children, adolescents, and adults. However, little is known regarding the role of IL-10 and IFN-gamma in birth weight of neonates. One hundred eighty-two infants were enrolled and divided in groups of normal birth weight (< 95th percentile) or increased birth weight (> 95th percentile) for gestational age. IL-10 and IFN-gamma levels were measured in umbilical cord tissue and blood of newborns by quantitative polymerase chain reaction (qPCR) and enzyme-linked immunosorbent assay (ELISA). The average value of birth weight in infants below and above the 95th percentile was 3.03±0.39 and 3.58±0.37 kg, respectively, and was independent of the mother's pre-gestational body mass index. The Student t test revealed that neonates with birth weights > 95th percentile show a significant 30% decrease in cord blood values of IL-10 as compared to infants with birth weights < 95th percentile (P<0.0001), with no significant changes in IFN-gamma levels (P=0.1661). Cord blood IL-10 was not of maternal origin but produced by umbilical cord tissue that showed less IL-10 expression in neonates with birth weights > 95th percentile than in infants with birth weights < 95th percentile (P=0.0252). Cord blood levels of IL-10 exhibited significant inverse correlations with birth weight (r = - 0.658, P=0.002) and INF-gamma (r = - 0.502, P=0.005).Conclusion: In conclusion, this work demonstrates for the first time that cord blood IL-10 decreases as birth weight increases in infants born at term and might help to improve early recognition of newborns at higher risk of developing obesity in childhood or adulthood. What is Known: • Reduction in interleukin-10 levels has been associated with obesity in adolescents and adults but not newborns. • The number of neonates with excess birth weight has alarmingly increased in the last 30 years. What is New: • We demonstrate that umbilical cord blood levels of interleukin-10 clearly decrease as birth weight increases. • Interleukin-10 and interferon-gamma integrate a cytokine network that might play a role in obesity in infants.
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14
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Wijngaarden LH, van der Harst E, Klaassen RA, Dunkelgrun M, Kuijper TM, Klepper M, Ambagtsheer G, IJzermans JNM, de Bruin RWF, Litjens NHR. Effects of Morbid Obesity and Metabolic Syndrome on the Composition of Circulating Immune Subsets. Front Immunol 2021; 12:675018. [PMID: 34354700 PMCID: PMC8330422 DOI: 10.3389/fimmu.2021.675018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/30/2021] [Indexed: 12/24/2022] Open
Abstract
Morbid obesity is characterized by chronic, low-grade inflammation, which is associated with ‘inflamm-aging’. The presence of metabolic syndrome (MetS) might accelerate this phenomenon of metaflammation. In this study, we assessed the effects of morbid obesity and MetS on the composition of a broad spectrum of immune cells present within the circulation. A total of 117 morbidly obese patients (MOP) without MetS (MetS-), 127 MOP with MetS (MetS+) and 55 lean controls (LC) were included in this study. Absolute numbers of T cell, B cell, NK cell and monocyte subsets were assessed within peripheral blood using flow cytometry. Both absolute cell numbers and proportion of cells were evaluated correcting for covariates age, body mass index and cytomegalovirus serostatus. Although the absolute number of circulating CD4+ T cells was increased in the MetS+ group, the CD4+ T cell composition was not influenced by MetS. The CD8+ T cell and B cell compartment contained more differentiated cells in the MOP, but was not affected by MetS. Even though the absolute numbers of NK cells and monocytes were increased in the MOP as compared to LC, there was no difference in proportions of NK and monocyte subsets between the three study groups. In conclusion, although absolute numbers of CD4+ and CD8+ T cells, B cells, NK cells and monocytes are increased in MOP, obesity-induced effects of the composition of the immune system are confined to a more differentiated phenotype of CD8+ T cells and B cells. These results were not affected by MetS.
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Affiliation(s)
- Leontine H Wijngaarden
- Department of Surgery, Maasstad Hospital, Rotterdam, Netherlands.,Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | | | - René A Klaassen
- Department of Surgery, Maasstad Hospital, Rotterdam, Netherlands
| | - Martin Dunkelgrun
- Department of Surgery, Franciscus Gasthuis and Vlietland, Rotterdam, Netherlands
| | | | - Mariska Klepper
- Department of Internal Medicine, Section Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Gisela Ambagtsheer
- Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Jan N M IJzermans
- Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Ron W F de Bruin
- Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Nicolle H R Litjens
- Department of Internal Medicine, Section Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
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15
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Amaral GA, Alves JD, Honorio-França AC, Fagundes DL, Araujo GG, Lobato NS, Lima VV, Giachini FR. Interleukin 1-beta is Linked to Chronic Low-Grade Inflammation and Cardiovascular Risk Factors in Overweight Adolescents. Endocr Metab Immune Disord Drug Targets 2021; 20:887-894. [PMID: 31738140 DOI: 10.2174/1871530319666191116141159] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/12/2019] [Accepted: 10/19/2019] [Indexed: 11/22/2022]
Abstract
AIM We hypothesized that IL-1β concentrations are augmented in overweight adolescents, who do not display metabolic syndrome. Additionally, we aimed to correlate the IL-1β concentrations with several established risk factors for CVD. METHODS Overweight or control subjects, aging from 14-18 years, were classified according to their adjusted body mass index and evaluated for biochemical and anthropometric parameters. The proinflammatory cytokine IL-1β was assessed in the serum. RESULTS Increased body fat percentage, waist circumference, triglycerides, total cholesterol, Very Low-Density Lipoprotein (VLDL) cholesterol, Low-Density Lipoprotein (LDL) cholesterol, Castelli I index, IL-1β, and IL-8 levels, were observed in overweight adolescents. No differences were observed in systolic blood pressure, diastolic blood pressure, glucose or High-Density Lipoprotein (HDL) cholesterol. Positive correlations between IL-1β with anthropometric and or biochemical parameters were found. CONCLUSION In conclusion, increased IL-1β levels correlate to dyslipidemic factors and may further support low-grade inflammation. IL-1β may further predict the early onset of cardiovascular disease in this population, taking into consideration its important regulatory role.
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Affiliation(s)
- Gisele A Amaral
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil.,UNIVAR – Araguaia Valley University Center, Barra do Garças, MT, Brazil
| | - Josilene D Alves
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil
| | - Adenilda C Honorio-França
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil
| | - Danny L Fagundes
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil
| | - Gabriel Gomes Araujo
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil
| | - Nubia S Lobato
- Department of Biological Sciences, Division of Cardiovascular Physiology, Federal University of Goias, Jatai, Brazil
| | - Victor V Lima
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil
| | - Fernanda R Giachini
- Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garcas, MT, Brazil
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16
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Lima RS, Mattos RT, Medeiros NI, Kattah FM, Nascimento JRS, Menezes CA, Rios-Santos F, Dutra WO, Gomes JAS, Moreira PR. CXCL8 expression and methylation are correlated with anthropometric and metabolic parameters in childhood obesity. Cytokine 2021; 143:155538. [PMID: 33926776 DOI: 10.1016/j.cyto.2021.155538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 03/02/2021] [Accepted: 04/05/2021] [Indexed: 02/07/2023]
Abstract
Childhood obesity is a global and increasing health issue. Inflammation and dysregulated adipose tissue secretion are common findings in obesity and have been related to poor metabolic function. Given that DNA methylation impacts gene expression and is responsive to environmental changes, we aimed, in addition to characterize the patients in anthropometric and biochemical terms, to determine the expression of cytokines and adipokines, assess the methylation on regulatory regions of the genes that code for these molecules, and investigate the association of the expression and gene methylation with anthropometric and biochemical parameters in childhood obesity. Obese children present dyslipidemia, dysregulated serum levels of adipokines and their ratios, altered leukocytic expression of cytokines, and higher methylation at the CXCL8 promoter as compared to the control group. However, no significant results were observed in the fasting plasma glucose levels or the methylation of TGFB1, LEP, and the enhancer region of ADIPOQ. We also found negative correlations of CXCL8 expression with anthropometric and biochemical parameters, and positive correlation of CXCL8 promoter methylation and the serum levels of hepatic enzymes. Our results indicate that changes in metabolic parameters observed in childhood obesity are associated with the expression of adipokines and cytokines, and the methylation status at the CXCL8 promoter. CXCL8 may be a key factor for these alterations, as it correlates with many of the parameters assessed in the present study.
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Affiliation(s)
- Rafael S Lima
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Rafael T Mattos
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Nayara I Medeiros
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Fabiana M Kattah
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Julya R S Nascimento
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Carlos A Menezes
- Department of Genetics, State University of Santa Cruz, Bahia, Brazil; Service of Preventive Medicine - Unimed, Sergipe, Brazil
| | - Fabricio Rios-Santos
- Department of Basic and Health Sciences, Federal University of Mato Grosso, Mato Grosso, Brazil
| | - Walderez O Dutra
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil; National Institute of Science and Technology in Tropical Diseases - INCT-DT, Brazil
| | - Juliana A S Gomes
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Paula R Moreira
- Department of Morphology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais, Minas Gerais, Brazil.
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17
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Abstract
PURPOSE OF REVIEW Childhood obesity, with persistent chronic inflammation, is a worldwide epidemic. Obesity causes dysregulation throughout the immune system, affecting the balance and levels of cytokines, adipokines, and innate and adaptive immune cells. The present review focuses on the impact of obesity on immune function in children: altering the baseline activation state of immune cells and affecting the ability of the host to combat pathogens and malignancy and respond appropriately to vaccination. RECENT FINDINGS Obesity causes dysregulation of the immune system. Single-cell RNA-sequencing of adipose tissue and resident immune cells is quantifying the impact of obesity on the frequency of immune cell subsets and their states. The system-wide alterations in immune function in obesity are most evident upon perturbation, including the response to infection (e.g. increased risk of severe COVID-19 in the ongoing pandemic), vaccination, and malignancy. However, mechanistic research in pediatric obesity is limited and this impacts our ability to care for these children. SUMMARY We must better understand baseline and perturbed immune health in obese children to determine how to account for altered frequency and function of humoral and cellular immune components in acute infection, during vaccine design and when considering therapeutic options for this complex, medically vulnerable group.
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Affiliation(s)
- Xingyuan Fang
- Children’s Hospital of Philadelphia, Department of Pediatrics, Division of Allergy Immunology, Philadelphia, PA
| | - Jorge Henao-Mejia
- Children’s Hospital of Philadelphia, Department of Pathology, Division of Allergy Immunology, Philadelphia, PA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Sarah E. Henrickson
- Children’s Hospital of Philadelphia, Department of Pediatrics, Division of Allergy Immunology, Philadelphia, PA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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18
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Townsend MS, Shilts MK, Lanoue L, Drake C, Rios LKD, Styne DM, Keim NL, Ontai L. Obesity Risk Assessment Tool for Low-Income Spanish Speaking Immigrant Parents with Young Children: Validity with BMI and Biomarkers of Obesity. Nutrients 2020; 12:E3582. [PMID: 33266497 PMCID: PMC7700341 DOI: 10.3390/nu12113582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 11/17/2022] Open
Abstract
Children of Hispanic origin bear a high risk of obesity. Child weight gain trajectories are influenced by the family environment, including parent feeding practices. Excessive body fat can result in unhealthful metabolic and lipid profiles and increased risk of metabolic diseases. The objective was to estimate criterion validity of an obesity risk assessment tool targeting Spanish-speaking families of Mexican origin using anthropometric measures and blood values of their young children. A cross-sectional study design with five data collection sessions was conducted over an eight-week period and involved 206 parent/child dyads recruited at Head Start and the Special Supplemental Nutrition Program for Women, Infants and Children in Northern California. Main outcome measures were criterion validity of Niños Sanos, a pediatric obesity risk assessment tool, using anthropometric measures and blood biomarkers. Niños Sanos scores were inversely related to child BMI-for-age percentiles (p = 0.02), waist-for-height ratios (p = 0.05) and inversely related to blood biomarkers for the metabolic index (p = 0.03) and lipid index (p = 0.05) and positively related to anti-inflammatory index (p = 0.047). Overall, children with higher Niños Sanos scores had more healthful lipid, metabolic and inflammatory profiles, as well as lower BMI-for-age percentiles and waist-to height ratios, providing evidence for the criterion validity of the tool. Niños Sanos can be used by child obesity researchers, by counselors and medical professionals during clinic visits as a screening tool and by educators as a tool to set goals for behavior change.
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Affiliation(s)
| | - Mical K. Shilts
- Department of Family and Consumer Sciences, Nutrition, Food & Dietetics Program, California State University Sacramento, Sacramento, CA 95819, USA;
| | - Louise Lanoue
- Department of Nutrition, University of California, Davis, CA 95616, USA;
| | - Christiana Drake
- Department of Statistics, University of California at Davis, Davis, CA 95616, USA;
| | - L. Karina Díaz Rios
- Division of Agriculture and Natural Resources, Public Health Department, University of California, Merced, CA 95343, USA;
| | - Dennis M. Styne
- Pediatric Endocrinology, Department of Pediatrics, University of California, Davis Medical Center, Sacramento, CA 95817, USA;
| | - Nancy L. Keim
- USDA Western Human Nutrition Research Center, University of California, Davis, CA 95616, USA;
| | - Lenna Ontai
- Department of Human Ecology, University of California, Davis, CA 95616, USA;
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19
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Valtierra-Alvarado MA, Castañeda Delgado JE, Ramírez-Talavera SI, Lugo-Villarino G, Dueñas-Arteaga F, Lugo-Sánchez A, Adame-Villalpando MS, Rivas-Santiago B, Enciso-Moreno J, Serrano CJ. Type 2 diabetes mellitus metabolic control correlates with the phenotype of human monocytes and monocyte-derived macrophages. J Diabetes Complications 2020; 34:107708. [PMID: 32843282 DOI: 10.1016/j.jdiacomp.2020.107708] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/31/2020] [Accepted: 08/08/2020] [Indexed: 12/24/2022]
Abstract
AIMS Monocytes and macrophages express cell-surface markers indicative of their inflammatory and activation status. In this study, we investigated whether these markers are affected or correlated in non-obese T2D subjects, or glycemic/metabolic control variables. METHODS Clinical data was recorded, and peripheral blood drawn from T2D patients (n = 28) and control subjects (n = 27). Isolated monocytes were evaluated by flow cytometry for the expression of CD14, CD16, and the phenotypic markers for the different states of activation spectrum, such as pro-inflammatory (M1) (HLA-DR, CD86), anti-inflammatory/pro-resolving (M2) (CD163, CD206, MERTK, PD-L1) and metabolically-activated (MMe) (CD36, ABCA-1). From a subset of individuals, monocytes-derived macrophages (MDM) were obtained and evaluated for phenotypic markers. A correlation analysis was performed between the clinical variables and the marker expression. RESULTS The frequency of CD14++CD16- monocytes was lower in T2D patients and it correlates negatively with poor control in glycemic and metabolic variables. T2D monocytes expressed lower levels of HLA-DR, CD86, PD-L1, and CD163, which correlated negatively with poor metabolic control. In MDM from T2D patients, HLA-DR, CD86 and CD163 expression was lower and it inversely correlated with deficient glycemic or metabolic control parameters. CONCLUSION The glycemic/metabolic control associated with T2D influences monocyte and MDM phenotypes toward an immune-suppressive phenotype.
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Affiliation(s)
- M A Valtierra-Alvarado
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico; Departamento de Inmunología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí (UASLP), Mexico
| | - J E Castañeda Delgado
- Cátedras CONACyT, Consejo Nacional de Ciencia y Tecnología (CONACyT-México), Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas, Mexico
| | - S I Ramírez-Talavera
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico; Departamento de Inmunología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí (UASLP), Mexico
| | - G Lugo-Villarino
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - F Dueñas-Arteaga
- Universidad Autónoma de Zacatecas, Unidad Académica de Medicina Humana y Ciencias de la Salud, Zacatecas, Mexico
| | - A Lugo-Sánchez
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico; Universidad Autónoma de Zacatecas, Unidad Académica de Ciencias Químicas, Zacatecas, Mexico
| | - M S Adame-Villalpando
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico; Universidad Autónoma de Zacatecas, Unidad Académica de Ciencias Químicas, Zacatecas, Mexico
| | - B Rivas-Santiago
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico
| | - J Enciso-Moreno
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico
| | - C J Serrano
- Unidad de Investigación Biomédica Zacatecas, Instituto Mexicano del Seguro Social, Mexico.
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Lima RS, Assis Silva Gomes J, Moreira PR. An overview about DNA methylation in childhood obesity: Characteristics of the studies and main findings. J Cell Biochem 2020; 121:3042-3057. [DOI: 10.1002/jcb.29544] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 10/10/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Rafael Silva Lima
- Laboratory of Cell‐Cell Interactions, Department of Morphology, Institute of Biological SciencesFederal University of Minas Gerais Minas Gerais Brazil
| | - Juliana Assis Silva Gomes
- Laboratory of Cell‐Cell Interactions, Department of Morphology, Institute of Biological SciencesFederal University of Minas Gerais Minas Gerais Brazil
| | - Paula Rocha Moreira
- Laboratory of Cell‐Cell Interactions, Department of Morphology, Institute of Biological SciencesFederal University of Minas Gerais Minas Gerais Brazil
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Bekkering S, Saner C, Riksen NP, Netea MG, Sabin MA, Saffery R, Stienstra R, Burgner DP. Trained Immunity: Linking Obesity and Cardiovascular Disease across the Life-Course? Trends Endocrinol Metab 2020; 31:378-389. [PMID: 32305098 DOI: 10.1016/j.tem.2020.01.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/17/2019] [Accepted: 01/09/2020] [Indexed: 02/06/2023]
Abstract
Obesity, a chronic inflammatory disease, is the most prevalent modifiable risk factor for cardiovascular disease. The mechanisms underlying inflammation in obesity are incompletely understood. Recent developments have challenged the dogma of immunological memory occurring exclusively in the adaptive immune system and show that the innate immune system has potential to be reprogrammed. This innate immune memory (trained immunity) is characterized by epigenetic and metabolic reprogramming of myeloid cells following endogenous or exogenous stimulation, resulting in enhanced inflammation to subsequent stimuli. Trained immunity phenotypes have now been reported for other immune and non-immune cells. Here, we provide a novel perspective on the putative role of trained immunity in mediating the adverse cardiovascular effects of obesity and highlight potential translational pathways.
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Affiliation(s)
- Siroon Bekkering
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Christoph Saner
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Endocrinology, The Royal Children's Hospital, Parkville, Victoria, Australia
| | - Niels P Riksen
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands; Department for Immunology & Metabolism, Life and Medical Sciences Institute (LIMES), University of Bonn, Bonn, Germany
| | - Matthew A Sabin
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Endocrinology, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Richard Saffery
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Rinke Stienstra
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands; Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - David P Burgner
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia.
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22
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Behrooz M, Vaghef-Mehrabany E, Ostadrahimi A. Different spexin level in obese vs normal weight children and its relationship with obesity related risk factors. Nutr Metab Cardiovasc Dis 2020; 30:674-682. [PMID: 32139252 DOI: 10.1016/j.numecd.2019.11.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 11/09/2019] [Accepted: 11/18/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIMS Spexin (SPX) is a novel peptide recently discovered as an important regulatory adipokine in obesity and related metabolic diseases. The aim of the current study was to determine the potential role of Circulating levels of SPX in obese children and explore its relationships with obesity-related risk factors, and its potential role in preventing obesity. METHODS AND RESULTS Forty-five obese children and 45 normal-weight children of similar age and sex, with mean age of 13.73 (2.68) were recruited in this Study. Weight and height, blood pressure, resting metabolic rate (RMR), physical activity level, stress, anxiety and depression, appetite status, daily energy intake, pubertal stage, serum Spexin, Interleukin-10 (IL-10), IL-1β, high-sensitivity C-reactive protein (hs-CRP), fasting glucose, insulin and lipid profile, were measure during standard techniques. Median (IQR) of Spexin levels were significantly lower in obese vs. normal-weight children [120.70 (77.7) pg/mL vs.145 (186.7)pg/mL; P = 0.03]. Based on the tertiles of the serum Spexin levels, a protective independent effect was observed for the highest tertile of serum Spexin concentrations. Crude OR (CI): 0.33 (0.11-0.95), P-trend = 0.04. Model 1 OR (CI): 0.20 (0.05-0.73), P- trend = 0.01, Model 2 OR (CI): 0.22 (0.05-0.86), P -trend = 0.03. Serum Spexin concentration was significantly associated with IL-10, IL-1β, fasting Insulin and HOMA-IR (P < 0.05). CONCLUSION The lower circulating levels of Spexin in obese children compared to their normal-weight peers, the protective independent effect found for the highest tertile of serum Spexin, and its association with glucose metabolism and immune function observed in our study, suggest a potential role for this novel peptide in childhood obesity and its related metabolic disorders.
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Affiliation(s)
- Maryam Behrooz
- Student Research Committee, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elnaz Vaghef-Mehrabany
- Student Research Committee, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Ostadrahimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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23
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Ayine P, Selvaraju V, Venkatapoorna CMK, Geetha T. Parental Feeding Practices in Relation to Maternal Education and Childhood Obesity. Nutrients 2020; 12:nu12041033. [PMID: 32283764 PMCID: PMC7231200 DOI: 10.3390/nu12041033] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/31/2020] [Accepted: 04/07/2020] [Indexed: 11/24/2022] Open
Abstract
Parental beliefs, attitudes, and feeding practices play a vital role in childhood obesity. This study aimed to assess parental perceptions, concerns about weight, feeding practices using the Child Feeding Questionnaire (CFQ), and its association with body mass index (BMI) and maternal education in elementary school children. Participants aged 6–10 years (n = 169) were recruited and anthropometric measurements were obtained. Pearson’s correlation and hierarchical linear regression analysis were used to examine the association between BMI z-score and the seven factors of the CFQ. The BMI z-score was significantly associated with parental perceived child weight and concern about child weight. The BMI z-score had a significant negative association with parents pressuring children to eat. Parents of obese children reported significantly higher (p < 0.001) levels of perceived child weight (β = 0.312) and concern (β = 0.320) about their child’s weight compared to the normal weight and overweight groups. Parents of overweight children showed considerably less (β = −0.224; p < 0.005) pressuring towards their children to eat as compared to parents of normal weight children. Additionally, we found that the parental feeding practice (pressure to eat) was only dependent upon maternal education. The path analysis indicates that maternal education has a mediating effect on BMI z-score and pressure to eat is related to BMI z-score through maternal education. The findings demonstrate the association between the parents’ perceptions, concerns, and pressure to eat with BMI z-score of elementary school-aged children. Only the parental feeding practice pressure to eat was dependent upon the maternal education.
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Affiliation(s)
- Priscilla Ayine
- Department of Nutrition, Dietetics, and Hospitality Management, Auburn University, Auburn, AL 36849, USA; (P.A.); (V.S.); (C.M.K.V.)
| | - Vaithinathan Selvaraju
- Department of Nutrition, Dietetics, and Hospitality Management, Auburn University, Auburn, AL 36849, USA; (P.A.); (V.S.); (C.M.K.V.)
| | - Chandra M. K. Venkatapoorna
- Department of Nutrition, Dietetics, and Hospitality Management, Auburn University, Auburn, AL 36849, USA; (P.A.); (V.S.); (C.M.K.V.)
| | - Thangiah Geetha
- Department of Nutrition, Dietetics, and Hospitality Management, Auburn University, Auburn, AL 36849, USA; (P.A.); (V.S.); (C.M.K.V.)
- Boshell Metabolic Diseases and Diabetes Program, Auburn University, Auburn, AL 36849, USA
- Correspondence: ; Tel.: +1-334-844-7418
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24
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Cooper DM, Radom-Aizik S. Exercise-associated prevention of adult cardiovascular disease in children and adolescents: monocytes, molecular mechanisms, and a call for discovery. Pediatr Res 2020; 87:309-318. [PMID: 31649340 PMCID: PMC11177628 DOI: 10.1038/s41390-019-0581-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 08/07/2019] [Accepted: 08/15/2019] [Indexed: 12/28/2022]
Abstract
Atherosclerosis originates in childhood and adolescence. The goal of this review is to highlight how exercise and physical activity during childhood and adolescence, critical periods of growth and development, can prevent adult cardiovascular disease (CVD), particularly through molecular mechanisms of monocytes, a key cell of the innate immune system. Monocytes are heterogeneous and pluripotential cells that can, paradoxically, play a role in both the instigation and prevention of atherosclerosis. Recent discoveries in young adults reveal that brief exercise affects monocyte gene pathways promoting a cell phenotype that patrols the vascular system and repairs injuries. Concurrently, exercise inhibits pro-inflammatory monocytes, cells that contribute to vascular damage and plaque formation. Because CVD is typically asymptomatic in youth, minimally invasive techniques must be honed to study the subtle anatomic and physiologic evidence of vascular dysfunction. Exercise gas exchange and heart rate measures can be combined with ultrasound assessments of vascular anatomy and reactivity, and near-infrared spectroscopy to quantify impaired O2 transport that is often hidden at rest. Combined with functional, transcriptomic, and epigenetic monocyte expression and measures of monocyte-endothelium interaction, molecular mechanisms of early CVD can be formulated, and then translated into effective physical activity-based strategies in youth to prevent adult-onset CVD.
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Affiliation(s)
- Dan M Cooper
- Pediatric Exercise and Genomics Research Center, University of California Irvine School of Medicine, Pediatrics, Irvine, CA, USA.
| | - Shlomit Radom-Aizik
- Pediatric Exercise and Genomics Research Center, University of California Irvine School of Medicine, Pediatrics, Irvine, CA, USA
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25
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Gállego-Suárez C, Bulan A, Hirschfeld E, Wachowiak P, Abrishami S, Griffin C, Sturza J, Tzau A, Hayes T, Woolford SJ, Lumeng CN, Lee JM, Singer K. Enhanced Myeloid Leukocytes in Obese Children and Adolescents at Risk for Metabolic Impairment. Front Endocrinol (Lausanne) 2020; 11:327. [PMID: 32528415 PMCID: PMC7266967 DOI: 10.3389/fendo.2020.00327] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 04/27/2020] [Indexed: 12/26/2022] Open
Abstract
Objective: We aimed to examine if myeloid leukocyte profiles are associated with metabolic impairment in children and adolescents with obesity, and if sex, age, or race influence this relationship. Methods: 282 children ages 8-17 were evaluated. Predictor measures were absolute neutrophil counts (ANC), absolute monocyte count, monocyte subtypes and C reactive protein (CRP). Outcome variables were waist circumference, fasting glucose and insulin, HOMA-IR, HbA1c (%) and lipid profiles. Pearson correlation coefficients were used to determine associations between predictor and outcome variables. Wilcoxon two-sample tests were used to evaluate differences by sex. Results: CRP (p < 0.0001), ANC (p < 0.0018), and classical monocytes (p = 0.05) were significantly higher in children with obesity. CRP, ANC and classical monocytes showed positive correlations with waist circumference, insulin, HOMA-IR and triglycerides. CRP was positively associated with ANC overall (p = 0.05). ANC demonstrated positive correlation with monocytes (p < 0.001). The associations between predictor and outcome variables were influenced by sex, race, and age. Conclusions: CRP and myeloid leukocyte populations, specifically classical monocytes and neutrophils associate with both body composition and metabolic parameters in children with obesity suggesting that these cells may play a critical role in metabolic impairment. Race, gender and age interactions between monocytes and metabolic parameters were significant.
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Affiliation(s)
- Cecilia Gállego-Suárez
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Ayse Bulan
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Emily Hirschfeld
- Department of Pediatrics, Child Health Evaluation and Research Center (CHEAR), University of Michigan, Ann Arbor, MI, United States
| | - Phillip Wachowiak
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Simin Abrishami
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Cameron Griffin
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Julie Sturza
- Woodson Biostatistics Consultation Program, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Abigail Tzau
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Taryn Hayes
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
| | - Susan J. Woolford
- Department of Pediatrics, Child Health Evaluation and Research Center (CHEAR), University of Michigan, Ann Arbor, MI, United States
| | - Carey N. Lumeng
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, United States
- Graduate Program in Cellular and Molecular Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Joyce M. Lee
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
- Department of Pediatrics, Child Health Evaluation and Research Center (CHEAR), University of Michigan, Ann Arbor, MI, United States
| | - Kanakadurga Singer
- Division of Pediatric Endocrinology, Department of Pediatrics, University of Michigan, Ann Arbor, MI, United States
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, United States
- Graduate Program in Cellular and Molecular Biology, University of Michigan Medical School, Ann Arbor, MI, United States
- *Correspondence: Kanakadurga Singer
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Polyacrylic acid-coated iron oxide nanoparticles could be a useful tool for tracking inflammatory monocytes. Future Sci OA 2019; 5:FSO423. [PMID: 31827892 PMCID: PMC6900970 DOI: 10.2144/fsoa-2019-0066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Aim: To establish the effect of poly(acrylic acid)-coated iron oxide nanoparticles (PAC-IONs) and later exposure to a magnetic field on the differentiation of mononuclear phagocytes into macrophages. Methods: By flow cytometry, cell death was evaluated with DIOC6 and PI, Poly (ADP-ribose) Polymerases (PARP) fragmentation, H2AX phosphorylation and TUNEL assay. Cytokines by Cytokine bead array and the intracellular amount of iron by atomic absorption spectrometry. Results: PAC-IONs did not induce apoptosis, modify the cell membrane integrity or alter the mitochondrial membrane potential. They did not affect the cell morphology, the pattern of cytokine accumulation or the activating role of differentiation of mononuclear phagocytes into macrophages on the proliferation of autologous T cells. Conclusion: This evidence indicates that the PAC-IONs are safe and biocompatible. Moreover, the selectivity of the PAC-IONs for mononuclear phagocytes, as well as their increased uptake by non-classical monocytes, warrant future research with a view to their use as a contrast agent, a useful tool for in vivo tracking of tissue-infiltrating mononuclear phagocytes. In the search for materials that allow the study of inflammatory processes when biopsies are not feasible, magnetic nanoparticles have become an alternative tool for use in MRI. This article examined whether supermagnetic iron nanoparticles can affect the basic function of phagocytic cells, with a view to their use in clinical imaging applications.
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27
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Mishra J, Simonsen R, Kumar N. Intestinal breast cancer resistance protein (BCRP) requires Janus kinase 3 activity for drug efflux and barrier functions in obesity. J Biol Chem 2019; 294:18337-18348. [PMID: 31653704 DOI: 10.1074/jbc.ra119.007758] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 10/07/2019] [Indexed: 12/12/2022] Open
Abstract
Breast cancer resistance protein (BCRP) is a member of ATP-binding cassette (ABC) transporter proteins whose primary function is to efflux substrates bound to the plasma membrane. Impaired intestinal barrier functions play a major role in chronic low-grade inflammation (CLGI)-associated obesity, but the regulation of BCRP during obesity and its role in maintaining the intestinal barrier function during CLGI-associated obesity are unknown. In the present study, using several approaches, including efflux assays, immunoprecipitation, immunoblotting, immunohistochemistry, paracellular permeability assay, FACS, cytokine assay, and immunofluorescence microscopy, we report that obese individuals have compromised intestinal BCRP functions and that diet-induced obese mice recapitulate these outcomes. We demonstrate that the compromised BCRP functions during obesity are because of loss of Janus kinase 3 (JAK3)-mediated tyrosine phosphorylation of BCRP. Our results indicate that JAK3-mediated phosphorylation of BCRP promotes its interactions with membrane-localized β-catenin essential not only for BCRP expression and surface localization, but also for the maintenance of BCRP-mediated intestinal drug efflux and barrier functions. We observed that reduced intestinal JAK3 expression during human obesity or JAK3 knockout in mouse or siRNA-mediated β-catenin knockdown in human intestinal epithelial cells all result in significant loss of intestinal BCRP expression and compromised colonic drug efflux and barrier functions. Our results uncover a mechanism of BCRP-mediated intestinal drug efflux and barrier functions and establish a role for BCRP in preventing CLGI-associated obesity both in humans and in mice.
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Affiliation(s)
- Jayshree Mishra
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A & M Health Science Center, Kingsville, Texas 78363.
| | | | - Narendra Kumar
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A & M Health Science Center, Kingsville, Texas 78363
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28
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Friedrich K, Sommer M, Strobel S, Thrum S, Blüher M, Wagner U, Rossol M. Perturbation of the Monocyte Compartment in Human Obesity. Front Immunol 2019; 10:1874. [PMID: 31440251 PMCID: PMC6694869 DOI: 10.3389/fimmu.2019.01874] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/24/2019] [Indexed: 12/29/2022] Open
Abstract
Circulating monocytes can be divided into classical (CM), intermediate (IM), and non-classical monocytes (NCM), and the classical monocytes also contain CD56+ monocytes and monocytic myeloid-derived suppressor cells (M-MDSC). The aim of the study was to evaluate the occurrence of the monocyte subpopulations in human obesity. Twenty-seven normal, 23 overweight, and 60 obese individuals (including 17 obese individuals with normal glucose tolerance and 27 with type 2 diabetes) were included into this study. Peripheral blood mononuclear cells were isolated from human blood, and surface markers to identify monocyte subpopulations were analyzed by flow cytometry. Obese individuals had higher numbers of total monocytes, CM, IM, CD56+ monocytes, and M-MDSCs. The number of CM, IM, CD56+ monocytes, and M-MDSCs, correlated positively with body mass index, body fat, waist circumference, triglycerides, C-reactive protein, and HbA1c, and negatively with high-density lipoprotein cholesterol. Individuals with obesity and type 2 diabetes had higher numbers of IM, NCM, and M-MDSCs, whereas those with obesity and impaired glucose tolerance had higher numbers of CD56+ monocytes. In summary, the comprehensive analysis of blood monocytes in human obesity revealed a shift of the monocyte compartment toward pro-inflammatory monocytes which might contribute to the development of low-grade inflammation in obesity, and immune-suppressive monocytes which might contribute to the development of cancer in obesity.
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Affiliation(s)
- Kathleen Friedrich
- Rheumatology Unit, Department of Medicine, University of Leipzig, Leipzig, Germany
| | - Miriam Sommer
- Rheumatology Unit, Department of Medicine, University of Leipzig, Leipzig, Germany
| | - Sarah Strobel
- Rheumatology Unit, Department of Medicine, University of Leipzig, Leipzig, Germany
| | - Stephan Thrum
- Rheumatology Unit, Department of Medicine, University of Leipzig, Leipzig, Germany
| | - Matthias Blüher
- Division of Endocrinology, Department of Medicine, University of Leipzig, Leipzig, Germany
| | - Ulf Wagner
- Rheumatology Unit, Department of Medicine, University of Leipzig, Leipzig, Germany
| | - Manuela Rossol
- Rheumatology Unit, Department of Medicine, University of Leipzig, Leipzig, Germany
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29
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Anti-inflammatory effect of β2 adrenergic stimulation on circulating monocytes with a pro-inflammatory state in high-fat diet-induced obesity. Brain Behav Immun 2019; 80:564-572. [PMID: 31055173 DOI: 10.1016/j.bbi.2019.04.042] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/15/2019] [Accepted: 04/30/2019] [Indexed: 12/14/2022] Open
Abstract
Obesity is a chronic condition associated with low-grade inflammation, and it also involves alterations of the function of the hypothalamic-pituitaryadrenal axis and the sympathetic nervous system. Adrenergic agonists such as catecholamines are important immunoregulatory molecules that are involved in modulating both metabolism and most of the mechanisms of the immune response. The first objective of this study was to determine whether the systemic inflammatory state associated with obesity is also manifested in the inflammatory profile and phenotype of circulating monocytes; and the second objective was to evaluate the effects of β2 adrenergic stimulation on the inflammatory profile and phenotype of monocytes in obesity, and whether this response could be different from that in lean individuals. C57BL/6J mice were randomly allocated to one of two diets for 18 weeks: high-fat diet in order to obtain an experimental model of obesity, and standard diet in the control lean group. Circulating monocyte expression of inflammatory cytokines (MCP-1, TNF-α, IL-8, IL-6, IL-10, and TGF-β), surface membrane marker Ly6C, inducible nitric oxide synthase and arginase-1, and Toll-like receptor 4 were evaluated through flow cytometry in the presence or absence of selective β2 adrenergic receptor agonist terbutaline. Monocytes from high-fat diet-induced obese animals presented higher expression levels of all pro-inflammatory cytokines and a higher percentage of monocytes with a pro-inflammatory phenotype than those from lean animals. β2 adrenergic stimulation induced a shift towards an anti-inflammatory activity profile and phenotype in obese mice, whereas it induced a shift towards a pro-inflammatory activity profile and phenotype in lean mice. In conclusion, β2 adrenergic stimulation in monocytes was anti-inflammatory only in obese animals, which presented a pro-inflammatory state at baseline.
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31
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Martin CL, Jima D, Sharp GC, McCullough LE, Park SS, Gowdy KM, Skaar D, Cowley M, Maguire RL, Fuemmeler B, Collier D, Relton CL, Murphy SK, Hoyo C. Maternal pre-pregnancy obesity, offspring cord blood DNA methylation, and offspring cardiometabolic health in early childhood: an epigenome-wide association study. Epigenetics 2019; 14:325-340. [PMID: 30773972 PMCID: PMC6557549 DOI: 10.1080/15592294.2019.1581594] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 01/25/2019] [Accepted: 01/28/2019] [Indexed: 01/03/2023] Open
Abstract
Pre-pregnancy obesity is an established risk factor for adverse sex-specific cardiometabolic health in offspring. Epigenetic alterations, such as in DNA methylation (DNAm), are a hypothesized link; however, sex-specific epigenomic targets remain unclear. Leveraging data from the Newborn Epigenetics Study (NEST) cohort, linear regression models were used to identify CpG sites in cord blood leukocytes associated with pre-pregnancy obesity in 187 mother-female and 173 mother-male offsprings. DNAm in cord blood was measured using the Illumina HumanMethylation450k BeadChip. Replication analysis was conducted among the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort. Associations between pre-pregnancy obesity-associated CpG sites and offspring BMI z-score (BMIz) and blood pressure (BP) percentiles at 4-5-years of age were also examined. Maternal pre-pregnacy obesity was associated with 876 CpGs in female and 293 CpGs in male offspring (false discovery rate <5%). Among female offspring, 57 CpG sites, including the top 18, mapped to the TAPBP gene (range of effect estimates: -0.83% decrease to 4.02% increase in methylation). CpG methylation differences in the TAPBP gene were also observed among males (range of effect estimates: -0.30% decrease to 2.59% increase in methylation). While technically validated, none of the TAPBP CpG sites were replicated in ALSPAC. In NEST, methylation differences at CpG sites of the TAPBP gene were associated with BMI z-score (cg23922433 and cg17621507) and systolic BP percentile (cg06230948) in female and systolic (cg06230948) and diastolic (cg03780271) BP percentile in male offspring. Together, these findings suggest sex-specific effects, which, if causal, may explain observed sex-specific effects of maternal obesity.
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Affiliation(s)
- Chantel L. Martin
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Dereje Jima
- Center of Human Health and the Environment, North Carolina State University, Raleigh, USA
- Bioinformatics Research Center, North Carolina State University, Raleigh, NC, USA
| | - Gemma C. Sharp
- Medical Research Integrative Epidemiology Unit, Bristol Medical School, Population Health Sciences, University of Bristol, Bristol, UK
| | - Lauren E. McCullough
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Sarah S. Park
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Kymberly M. Gowdy
- Department of Pharmacology and Toxicology, Brody School of Medicine, East Carolina University, Greenville, NC, USA
| | - David Skaar
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Michael Cowley
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Rachel L. Maguire
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Bernard Fuemmeler
- Department of Health Behavior and Policy, Virginia Commonwealth University, Richmond, VA, USA
| | - David Collier
- Department of Pediatrics, Brody School of Medicine, East Carolina University, Greenville, NC, USA
| | - Caroline L. Relton
- Medical Research Integrative Epidemiology Unit, Bristol Medical School, Population Health Sciences, University of Bristol, Bristol, UK
| | - Susan K. Murphy
- Division of Reproductive Sciences, Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, NC, USA
| | - Cathrine Hoyo
- Center of Human Health and the Environment, North Carolina State University, Raleigh, USA
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
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Obesity: Pathophysiology, monosodium glutamate-induced model and anti-obesity medicinal plants. Biomed Pharmacother 2019; 111:503-516. [DOI: 10.1016/j.biopha.2018.12.108] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/13/2018] [Accepted: 12/23/2018] [Indexed: 02/08/2023] Open
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Non-classical circulating monocytes in severe obesity and obesity with uncontrolled diabetes: A comparison with tuberculosis and healthy individuals. Tuberculosis (Edinb) 2019; 114:30-41. [DOI: 10.1016/j.tube.2018.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 11/01/2018] [Accepted: 11/02/2018] [Indexed: 12/30/2022]
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Liu Y, Xu D, Yin C, Wang S, Wang M, Xiao Y. IL-10/STAT3 is reduced in childhood obesity with hypertriglyceridemia and is related to triglyceride level in diet-induced obese rats. BMC Endocr Disord 2018; 18:39. [PMID: 29895283 PMCID: PMC5998569 DOI: 10.1186/s12902-018-0265-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 06/01/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The prevalence of childhood obesity and obesity-related metabolic disorder such as dyslipidemia has sharply increased in the past few decades. Chronic low-grade inflammation is associated with the development of comorbidities and poor prognosis in obesity. This study aims to evaluate interleukin-10 (IL-10) in childhood obesity with hypertriglyceridemia. METHOD We evaluated IL-10 and signal transducer and activator of transcription 3 (STAT3) mRNA expression in adipose tissue (AT) as well as serum IL-10 in 62 children of 3 groups and in high-fat diet (HFD) induced obese rat. Expression of IL-10 and STAT3 protein in AT of diet-induced obese rats were examined over feed period. RESULTS Adipose IL-10 and STAT3 mRNA expression and serum IL-10 reduced in obese children with hypertriglyceridemia and in HFD obese rats. The protein expression of IL-10 and STAT3 decreased in AT of obese rats compared with the control rats at end time. Expression of IL-10 mRNA was negatively correlated to TG and LDL-C levels, and positively correlated to HDL-C, adiponectin and serum IL-10 levels. CONCLUSIONS IL-10 expression and its downstream JAK-STAT pathway are down-regulated in obese children with hypertriglyceridemia and in HFD obese rats.
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Affiliation(s)
- Yuesheng Liu
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, 157 Xiwu Road, Xi’an, Shaanxi, 710061 People’s Republic of China
| | - Dong Xu
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 People’s Republic of China
| | - Chunyan Yin
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, 157 Xiwu Road, Xi’an, Shaanxi, 710061 People’s Republic of China
| | - Sisi Wang
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, 157 Xiwu Road, Xi’an, Shaanxi, 710061 People’s Republic of China
| | - Min Wang
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, 157 Xiwu Road, Xi’an, Shaanxi, 710061 People’s Republic of China
| | - Yanfeng Xiao
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, 157 Xiwu Road, Xi’an, Shaanxi, 710061 People’s Republic of China
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p300/CBP as a Key Nutritional Sensor for Hepatic Energy Homeostasis and Liver Fibrosis. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8168791. [PMID: 29862292 PMCID: PMC5976926 DOI: 10.1155/2018/8168791] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/14/2018] [Accepted: 04/12/2018] [Indexed: 12/23/2022]
Abstract
The overwhelming frequency of metabolic diseases such as obesity and diabetes are closely related to liver diseases, which might share common pathogenic signaling processes. These metabolic disorders in the presence of inflammatory response seem to be triggered by and to reside in the liver, which is the central metabolic organ that plays primary roles in regulating lipid and glucose homeostasis upon alterations of metabolic conditions. Recently, abundant emerging researches suggested that p300 and CREB binding protein (CBP) are crucial regulators of energy homeostasis and liver fibrosis through both their acetyltransferase activities and transcriptional coactivators. Plenty of recent findings demonstrated the potential roles of p300/CBP in mammalian metabolic homeostasis in response to nutrients. This review is focused on the different targets and functions of p300/CBP in physiological and pathological processes, including lipogenesis, lipid export, gluconeogenesis, and liver fibrosis, also provided some nutrients as the regulator of p300/CBP for nutritional therapeutic approaches to treat liver diseases.
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36
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Li C, Xu MM, Wang K, Adler AJ, Vella AT, Zhou B. Macrophage polarization and meta-inflammation. Transl Res 2018; 191:29-44. [PMID: 29154757 PMCID: PMC5776711 DOI: 10.1016/j.trsl.2017.10.004] [Citation(s) in RCA: 209] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 10/13/2017] [Accepted: 10/13/2017] [Indexed: 12/14/2022]
Abstract
Chronic overnutrition and obesity induces low-grade inflammation throughout the body. Termed "meta-inflammation," this chronic state of inflammation is mediated by macrophages located within the colon, liver, muscle, and adipose tissue. A sentinel orchestrator of immune activity and homeostasis, macrophages adopt variable states of activation as a function of time and environmental cues. Meta-inflammation phenotypically skews these polarization states and has been linked to numerous metabolic disorders. The past decade has revealed several key regulators of macrophage polarization, including the signal transducer and activator of transcription family, the peroxisome proliferator-activated receptor gamma, the CCAAT-enhancer-binding proteins (C/EBP) family, and the interferon regulatory factors. Recent studies have also suggested that microRNAs and long noncoding RNA influence macrophage polarization. The pathogenic alteration of macrophage polarization in meta-inflammation is regulated by both extracellular and intracellular cues, resulting in distinct secretome profiles. Meta-inflammation-altered macrophage polarization has been linked to insulin insensitivity, atherosclerosis, inflammatory bowel disease, cancer, and autoimmunity. Thus, further mechanistic exploration into the skewing of macrophage polarization promises to have profound impacts on improving global health.
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Affiliation(s)
- Chuan Li
- Department of Immunology, University of Connecticut, School of Medicine, Farmington, Conn
| | - Maria M Xu
- Department of Immunology, University of Connecticut, School of Medicine, Farmington, Conn
| | - Kepeng Wang
- Department of Immunology, University of Connecticut, School of Medicine, Farmington, Conn
| | - Adam J Adler
- Department of Immunology, University of Connecticut, School of Medicine, Farmington, Conn
| | - Anthony T Vella
- Department of Immunology, University of Connecticut, School of Medicine, Farmington, Conn.
| | - Beiyan Zhou
- Department of Immunology, University of Connecticut, School of Medicine, Farmington, Conn.
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IL-10 and TGF-β unbalanced levels in neutrophils contribute to increase inflammatory cytokine expression in childhood obesity. Eur J Nutr 2017; 57:2421-2430. [DOI: 10.1007/s00394-017-1515-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 07/19/2017] [Indexed: 01/31/2023]
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38
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Li S, Cao W, Han J, Tang B, Sun X. The diagnostic value of white blood cell, neutrophil, neutrophil-to-lymphocyte ratio, and lymphocyte-to-monocyte ratio in patients with primary angle closure glaucoma. Oncotarget 2017; 8:68984-68995. [PMID: 28978173 PMCID: PMC5620313 DOI: 10.18632/oncotarget.16571] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 03/16/2017] [Indexed: 01/04/2023] Open
Abstract
Objective Inflammatory mechanisms may have a role in the pathogenesis of primary angle closure glaucoma (PACG). The objective of this study was to investigate the diagnostic value of white blood cell (WBC), neutrophil, neutrophil to lymphocyte ratio (NLR), and lymphocyte to monocyte ratio (LMR) in patients with PACG and its association with glaucoma severity. Method The study was retrospectively assessed in 771 consecutive PACG patients and 770 control subjects, laboratory parameters and clinical parameters were obtained from a medical data platform. Patients were divided into three groups with different severity based on perimetry, i.e. mild (mean deviation (MD) ≤6.00 dB), moderate (12 dB≥ MD>6 dB) and severe (MD>12 dB). We developed a nomogram to specifically identify individual patient’s risk. Results The mean levels of neutrophil, NLR and WBC was higher in PACG than control group, and lowest in the mild PACG group, followed by moderate PACG and severe PACG (p<0.05). The AUROC value of NLR and LMR was found to be 0.719, 0.699, respectively. Multiple linear regressions showed that there was a significant correlation between WBC and MD (B=0.151, p<0.001), neutrophil and MD (B=0.143, p=0.003), NLR and MD (B=0.144, p=0.001), LMR and MD (B=-0.100, p=0.034). Logistic regression analyses revealed that WBC (OR=1.208, 95%CI=1.179-1.238), neutrophil (OR=1.598, 95%CI=1.541-1.656), NLR (OR=2.313, 95%CI=2.200-2.431), and LMR (OR=0.682, 95%CI=0.666-0.699) were associated with PACG. Conclusion Our study suggested that WBC, neutrophil, NLR, and LMR was related with PACG, and NLR and LMR may be useful as biomarkers.
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Affiliation(s)
- Shengjie Li
- Department of Clinical Laboratory, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wenjun Cao
- Department of Clinical Laboratory, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Ophthalmology & Visual Science, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jianping Han
- Department of Clinical Laboratory, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Binghua Tang
- Department of Clinical Laboratory, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xinghuai Sun
- Department of Ophthalmology & Visual Science, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, China.,Key Laboratory of Myopia, Ministry of Health, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai, China
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