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Maldonado-Devincci AM, Odelade AE, Irby-Shabazz A, Jadhav V, Nepal P, Chang EM, Chang AY, Han J. Longitudinal sex-specific impacts of high-fat diet on dopaminergic dysregulation and behavior from periadolescence to late adulthood. Nutr Neurosci 2024:1-14. [PMID: 39046103 DOI: 10.1080/1028415x.2024.2377471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
OBJECTIVES Obesity is recognized for its adverse impact on brain health and related behaviors; however, the specific longitudinal effects of a high-fat diet (HFD) from juvenile stages of development through late adulthood remain poorly understood, particularly sex-specific outcomes. This study aimed to determine how prolonged exposure to HFD, commencing during periadolescence, would differentially predispose male and female mice to an elevated risk of dopaminergic dysregulation and associated behavioral deficits. METHODS One-month-old C57BL/6J male and female mice were subjected to either a control diet or an HFD for 5 and 9 months. Muscle strength, motor skills, sensorimotor integration, and anxiety-like behaviors were assessed at the end of the 5th and 8th months. Key dopaminergic molecules, including dopamine (DA), dopamine receptor D2 (DRD2), dopamine transporter (DAT), and vesicular monoamine transporter 2 (VMAT2), were quantified at the end of the 5th or 9th months. RESULTS Behaviorally, male mice exposed to HFD exhibited more pronounced alterations in sensorimotor integration, anxiety-like behavior, and muscle strength after the 5th month of dietary exposure. In contrast, female mice displayed most behavioral differences after the 8th month of HFD exposure. Physiologically, there were notable sex-specific variations in the dopaminergic pathway response to HFD. Male mice exposed to HFD exhibited elevated tissue levels of VMAT2 and DRD2, whereas female mice showed reduced levels of DRD2 and DAT compared to control groups. DISCUSSION These findings indicate a general trend of altered time course susceptibility in male mice to chronic HFD consumption compared to their female counterparts, with male mice impacted earlier than females.
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Affiliation(s)
- Antoniette M Maldonado-Devincci
- Department of Psychology, John R. and Kathy R. Hairston College of Health and Human Sciences, North Carolina Agricultural and Technical State University, Greensboro, NC USA
| | - Anuoluwapo E Odelade
- Department of Biology, College of Science and Technology, North Carolina Agricultural and Technical State University, Greensboro, NC USA
| | - Adenike Irby-Shabazz
- Department of Biology, College of Science and Technology, North Carolina Agricultural and Technical State University, Greensboro, NC USA
| | - Vidya Jadhav
- Department of Biology, College of Science and Technology, North Carolina Agricultural and Technical State University, Greensboro, NC USA
| | - Pragya Nepal
- Department of Biology, College of Science and Technology, North Carolina Agricultural and Technical State University, Greensboro, NC USA
| | - Evelyn M Chang
- Program in Liberal Medical Education, Division of Biology and Medicine, Brown University, Providence
| | - Alex Y Chang
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY, USA
| | - Jian Han
- Department of Biology, College of Science and Technology, North Carolina Agricultural and Technical State University, Greensboro, NC USA
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Agrawal P, Kaur J, Singh J, Rasane P, Sharma K, Bhadariya V, Kaur S, Kumar V. Genetics, Nutrition, and Health: A New Frontier in Disease Prevention. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2024; 43:326-338. [PMID: 38015713 DOI: 10.1080/27697061.2023.2284997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023]
Abstract
The field of nutrition research has traditionally focused on the effects of macronutrients and micronutrients on the body. However, it has become evident that individuals have unique genetic makeups that influence their response to food. Nutritional genomics, which includes nutrigenetics and nutrigenomics, explores the interaction between an individual's genetic makeup, diet, and health outcomes. Nutrigenetics studies the impact of genetic variation on an individual's response to dietary nutrients, while nutrigenomics investigates how dietary components affect gene regulation and expression. These disciplines seek to understand the impact of diet on the genome, transcriptome, proteome, and metabolome. It provides insights into the mechanisms underlying the effect of diet on gene expression. Nutrients can cause the modification of genetic expression through epigenetic changes, such as DNA methylation and histone modifications. The aim of nutrigenomics is to create personalized diets based on the unique metabolic profile of an individual, gut microbiome, and genetic makeup to prevent diseases and promote health. Nutrigenomics has the potential to revolutionize the field of nutrition by combining the practicality of personalized nutrition with knowledge of genetic factors underlying health and disease. Thus, nutrigenomics offers a promising approach to improving health outcomes (in terms of disease prevention) through personalized nutrition strategies based on an individual's genetic and metabolic characteristics.
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Affiliation(s)
- Piyush Agrawal
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, India
| | - Jaspreet Kaur
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, India
| | - Jyoti Singh
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, India
| | - Prasad Rasane
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, India
| | - Kartik Sharma
- Faculty of Agro-Industry, Prince of Songkla University, Songkla, Thailand
| | - Vishesh Bhadariya
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Sawinder Kaur
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, India
| | - Vikas Kumar
- Department of Food Science and Technology, Punjab Agricultural University, Ludhiana, India
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Cremades M, Talavera-Urquijo E, Beisani M, Pappa S, Jordà M, Tarascó J, Moreno P, Caballero A, Martínez-López E, Pellitero S, Balibrea JM. Transcriptional and epigenetic changes after dietary and surgical weight loss interventions in an animal model of obesity. Int J Obes (Lond) 2024; 48:103-110. [PMID: 37833561 DOI: 10.1038/s41366-023-01395-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 09/18/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023]
Abstract
BACKGROUND Identifying determinants that can predict response to weight loss interventions is imperative for optimizing therapeutic benefit. We aimed to identify changes in DNA methylation and mRNA expression of a subset of target genes following dietary and surgical interventions in high-fat-diet (HFD)-induced obese rats. METHODS Forty-two adult Wistar Han male rats were divided into two groups: control rats (n = 7) and obese rats (n = 28), fed a HFD for 10 weeks (t10). Obese rats were randomly subdivided into five intervention groups (seven animals per group): (i) HFD; (ii) very-low-calorie diet (VLCD); (iii) sham surgery, and (iv) sleeve gastrectomy (SG). At week sixteen (t16), animals were sacrificed and tissue samples were collected to analyze changes in DNA methylation and mRNA expression of the selected genes. RESULTS By type of intervention, the surgical procedures led to the greatest weight loss. Changes in methylation and/or expression of candidate genes occurred proportionally to the effectiveness of the weight loss interventions. Leptin expression, increased sixfold in the visceral fat of the obese rats, was partially normalized after all interventions. The expression of fatty acid synthase (FASN) and monocyte chemoattractant protein 1 (MCP-1) genes, which was reduced 0.5- and 0.15-fold, respectively, in the liver tissue of obese rats, were completely normalized after weight loss interventions, particularly after surgical interventions. The upregulation of FASN and MCP-1 gene expression was accompanied by a significant reduction in promoter methylation, up to 0.5-fold decrease in the case of the FASN (all intervention groups) and a 0.8-fold decrease in the case of the MCP-1 (SG group). CONCLUSIONS Changes in tissue expression of specific genes involved in the pathophysiological mechanisms of obesity can be significantly attenuated following weight loss interventions, particularly surgery. Some of these genes are regulated by epigenetic mechanisms.
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Affiliation(s)
- Manel Cremades
- Department of General and Digestive Surgery, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Eider Talavera-Urquijo
- Esophagogastric and Bariatric Surgery Unit, Department of General and Digestive Surgery, Donostia University Hospital, Donostia, Guipuzkoa, Spain
| | - Marc Beisani
- Bariatric and Upper Gastrointestinal Surgery Unit, Department of General and Digestive Surgery, Hospital del Mar, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
| | - Stella Pappa
- Germans Trias i Pujol Research Institute (IGTP), Badalona, Barcelona, Spain
| | - Mireia Jordà
- Germans Trias i Pujol Research Institute (IGTP), Badalona, Barcelona, Spain
| | - Jordi Tarascó
- Department of General and Digestive Surgery, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Endocrine-Metabolic and Bariatric Surgery Unit, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
| | - Pau Moreno
- Department of General and Digestive Surgery, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Endocrine-Metabolic and Bariatric Surgery Unit, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
| | - Albert Caballero
- Department of General and Digestive Surgery, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
- Endocrine-Metabolic and Bariatric Surgery Unit, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
| | - Eva Martínez-López
- Department of Endocrinology, Nutrition and Metabolism, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
| | - Silvia Pellitero
- Universitat Autònoma de Barcelona, Barcelona, Spain
- Department of Endocrinology, Nutrition and Metabolism, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain
| | - José M Balibrea
- Department of General and Digestive Surgery, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain.
- Universitat Autònoma de Barcelona, Barcelona, Spain.
- Endocrine-Metabolic and Bariatric Surgery Unit, Germans Trias i Pujol University Hospital, Badalona, Barcelona, Spain.
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Choi MJ, Kang H, Choi J. Risk Factors for Obesity in Five-Year-Old Children: Based on Korean National Health Insurance Service (NHIS) Data. CHILDREN 2022; 9:children9030314. [PMID: 35327686 PMCID: PMC8947730 DOI: 10.3390/children9030314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 12/02/2022]
Abstract
This study aimed to identify the risk factors for obesity in five-year-old children using data from the database of the Korean National Health Insurance Service. We identified 26,047 children who underwent the sixth screening (at age 5) from the 2017 National Health Screening Program for Infant and Children and for whom data from the fourth screening (at age 3) database and the mothers’ health screening and eligibility database were available. To identify the risk factors of obesity, odds ratios and 95% confidence intervals were calculated by a hierarchical multiple logistic regression. Female sex, a birth weight of over 4 kg, the “caution/refer” remark during developmental screening at ages three and five, maternal obesity, and a middle-level income were risk factors for obesity in the subjects. Good appetite, high consumption of milk, heavy intake of sweet food at age three, speedy eating, irregular meals and snack times, large single-meal quantities, heavy intake of oily and salty food, and not performing physical exercise at age five were also considered significant risk factors. For early intervention efforts to prevent childhood obesity, modifiable behavioral factors and other obesity risk factors identified in this study could be used to target high-risk children and dietary behaviors.
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Affiliation(s)
- Mi Jin Choi
- Department of Nursing, Chodang University, Muan-gun 58530, Korea;
| | - Hyunju Kang
- College of Nursing, Kangwon National University, Chuncheon-si 24341, Korea
- Correspondence: ; Tel.: +82-33-250-8878
| | - Jimi Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul 02841, Korea;
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Bojang KS, Lyrawati D, Sujuti H, Wahono D. Prevalence of Metabolic Syndrome and its Components in Kanifing Municipality, The Gambia. Med Arch 2022; 75:340-346. [PMID: 35169354 PMCID: PMC8740674 DOI: 10.5455/medarh.2021.75.340-346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/15/2021] [Indexed: 11/03/2022] Open
Abstract
Background Metabolic syndrome (MetS) is a complex syndrome with clustering of interrelated risk factors for cardiovascular disease and diabetes. Its rising worldwide prevalence has been largely related to the increasing obesity. In The Gambia, the last and only time a MetS related study was conducted, and then reported, was 21 years. Therefore, there is need for evaluating the prevalence of MetS and its components in the country. Objective This study was aimed to evaluate the prevalence of MetS and its individual components in Kanifing Municipality (KM). Methods It was a cross-sectional study conducted at Kanifing General Hospital, Kanifing Municipality. Data obtained from each participants included anthropometric indices, blood pressure, fasting plasma glucose, triglyceride and high-density lipoprotein levels, and clinical information. Results One hundred and thirty-six participants were included in the analysis. The overall MetS prevalence was 54.4% with significant female predominance (female, 58%; male, 29.4%; P=0.025). The most predominant component among the study population was central obesity (raised WC) (72.8%). Hypertriglyceridemia was found to be the strongest predictor of MetS among our participants (OR: 118.13; 95% CI: 33.79-412.77; P < 0.001). Conclusion Our study discloses a very high prevalence of MetS among the participants, and a significant female predominance, with central obesity the commonest Mets component. The results suggest that hypertriglyceridemia is the strongest predictor of metabolic syndrome in our study participants.
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Affiliation(s)
- Kebba S Bojang
- Doctoral Program, Postgraduate Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia.,School of Medicine and Allied Health Sciences, University of The Gambia, Banjul, The Gambia.,Department of Internal Medicine, Kanifing General Hospital, Kanifing, The Gambia
| | - Diana Lyrawati
- Doctoral Program, Postgraduate Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia.,Department of Pharmacy, Faculty of Medicine, Brawijaya University, Malang, Indonesia
| | - Hidayat Sujuti
- Doctoral Program, Postgraduate Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia.,Department of Ophthalmology, Faculty of Medicine, Brawijaya University, Malang, Indonesia
| | - Djoko Wahono
- Doctoral Program, Postgraduate Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia.,Department of Internal Medicine, Faculty of Medical, Brawijaya University, Malang, Indonesia
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Panera N, Mandato C, Crudele A, Bertrando S, Vajro P, Alisi A. Genetics, epigenetics and transgenerational transmission of obesity in children. Front Endocrinol (Lausanne) 2022; 13:1006008. [PMID: 36452324 PMCID: PMC9704419 DOI: 10.3389/fendo.2022.1006008] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/27/2022] [Indexed: 11/16/2022] Open
Abstract
Sedentary lifestyle and consumption of high-calorie foods have caused a relentless increase of overweight and obesity prevalence at all ages. Its presently epidemic proportion is disquieting due to the tight relationship of obesity with metabolic syndrome and several other comorbidities which do call for urgent workarounds. The usual ineffectiveness of present therapies and failure of prevention campaigns triggered overtime a number of research studies which have unveiled some relevant aspects of obesity genetic and epigenetic inheritable profiles. These findings are revealing extremely precious mainly to serve as a likely extra arrow to allow the clinician's bow to achieve still hitherto unmet preventive goals. Evidence now exists that maternal obesity/overnutrition during pregnancy and lactation convincingly appears associated with several disorders in the offspring independently of the transmission of a purely genetic predisposition. Even the pre-conception direct exposure of either father or mother gametes to environmental factors can reprogram the epigenetic architecture of cells. Such phenomena lie behind the transfer of the obesity susceptibility to future generations through a mechanism of epigenetic inheritance. Moreover, a growing number of studies suggests that several environmental factors such as maternal malnutrition, hypoxia, and exposure to excess hormones and endocrine disruptors during pregnancy and the early postnatal period may play critical roles in programming childhood adipose tissue and obesity. A deeper understanding of how inherited genetics and epigenetics may generate an obesogenic environment at pediatric age might strengthen our knowledge about pathogenetic mechanisms and improve the clinical management of patients. Therefore, in this narrative review, we attempt to provide a general overview of the contribution of heritable genetic and epigenetic patterns to the obesity susceptibility in children, placing a particular emphasis on the mother-child dyad.
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Affiliation(s)
- Nadia Panera
- Unit of Molecular Genetics of Complex Phenotypes, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Claudia Mandato
- Pediatrics Section, Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Baronissi, Salermo, Italy
- *Correspondence: Anna Alisi, ; Claudia Mandato,
| | - Annalisa Crudele
- Unit of Molecular Genetics of Complex Phenotypes, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Sara Bertrando
- Pediatrics Clinic, San Giovanni di Dio e Ruggi d’Aragona University Hospital, Salerno, Italy
| | - Pietro Vajro
- Pediatrics Section, Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Baronissi, Salermo, Italy
| | - Anna Alisi
- Unit of Molecular Genetics of Complex Phenotypes, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
- *Correspondence: Anna Alisi, ; Claudia Mandato,
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Tokarek J, Gadzinowska J, Młynarska E, Franczyk B, Rysz J. What Is the Role of Gut Microbiota in Obesity Prevalence? A Few Words about Gut Microbiota and Its Association with Obesity and Related Diseases. Microorganisms 2021; 10:microorganisms10010052. [PMID: 35056501 PMCID: PMC8777962 DOI: 10.3390/microorganisms10010052] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/22/2021] [Accepted: 12/26/2021] [Indexed: 01/09/2023] Open
Abstract
Obesity is becoming the most dangerous lifestyle disease of our time, and its effects are already being observed in both developed and developing countries. The aim of this study was to investigate the impact of gut microbiota on the prevalence of obesity and associated morbidities, taking into consideration underlying molecular mechanisms. In addition to exploring the relationship between obesity and fecal microorganisms with their metabolites, the study also focused on the factors that would be able to stimulate growth and remodeling of microbiota. Assessed articles were carefully classified according to a predetermined criterion and were critically appraised and used as a basis for conclusions. The considered articles and reviews acknowledge that intestinal microbiota forms a multifunctional system that might significantly affect human homeostasis. It has been proved that alterations in the gut microbiota are found in obese and metabolically diseased patients. The imbalance of microbiome composition, such as changes in Bacteroidetes/Firmicutes ratio and presence of different species of genus Lactobacillus, might promote obesity and comorbidities (type 2 diabetes mellitus, hypertension, dyslipidemia, depression, obstructive sleep apnea). However, there are also studies that contradict this theory. Therefore, further well-designed studies are needed to improve the knowledge about the influence of microbiota, its metabolites, and probiotics on obesity.
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Gasmi A, Mujawdiya PK, Noor S, Piscopo S, Menzel A. Lifestyle Genetics-Based Reports in the Treatment of Obesity. ARCHIVES OF RAZI INSTITUTE 2021; 76:707-719. [PMID: 35096307 PMCID: PMC8790989 DOI: 10.22092/ari.2021.356057.1768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 10/12/2021] [Indexed: 10/07/2022]
Abstract
Obesity becomes a chronic disease due to the increasing number of mortality and morbidity cases around the world. In most regions, chronic illnesses, such as obesity, are important sources of morbidity and mortality. Due to a lack of effective strategies for prevention and management, the adverse effects of obesity and related diseases on health continue to be a serious problem. Relevant information was searched from Google Scholar, Scopus, and PubMed using such different terms as "Obesity", "Obesity Management", "Obesity AND Physical activity", "Obesity AND Genetics", "Obesity AND Diet", and "Obesity AND Nutrigenomics". Obesity is characterized by a complex interaction of hereditary and lifestyle factors, which includes food. Diet is an environmental element that plays an important and considerable role in the management of health and reduces the risk of obesity and its comorbidities. Changes in lifestyle patterns not only help burn extra calories but also prevent the development of obesity via its modulating effect on genetic factors. Different people respond differently to an obesogenic environment. The notion of nutrigenetics emerged as a result of various genetic variations that may explain this heterogeneity. Nutritional genomics, also known as nutrigenetics, is the study that investigates and analyses gene variations linked to varied responses to certain foods; moreover, it links this variation to diseases, such as obesity. As a result, tailored nutrition advice based on a person's genetic profile may improve the outcomes of a specific dietary strategy and offer a novel dietary strategy to improve life quality and preventing obesity. This study concluded that physical activity and dietary interventions play an effective role in the management of obesity. Moreover, understanding of the function of the most prominent obesity-related genes, as well as the interaction between nutrition and gene expression, will help researchers design personalized treatment strategies for humans.
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Affiliation(s)
- A Gasmi
- Société Francophone de Nutrithérapie et de Nutrigénétique Appliquée, Villeurbanne, France
| | - P K Mujawdiya
- Inochi Care Private Limited, New Delhi-110017, India
| | - S Noor
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University Multan, Pakistan
| | - S Piscopo
- Société Francophone de Nutrithérapie et de Nutrigénétique Appliquée, Villeurbanne, France
- Research and Development Department, Nutri-Logics SA, Weiswampach, Luxembourg
| | - A Menzel
- Laboratoires Réunis, Junglinster, Luxembourg
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Dilworth L, Facey A, Omoruyi F. Diabetes Mellitus and Its Metabolic Complications: The Role of Adipose Tissues. Int J Mol Sci 2021; 22:ijms22147644. [PMID: 34299261 PMCID: PMC8305176 DOI: 10.3390/ijms22147644] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/14/2022] Open
Abstract
Many approaches have been used in the effective management of type 2 diabetes mellitus. A recent paradigm shift has focused on the role of adipose tissues in the development and treatment of the disease. Brown adipose tissues (BAT) and white adipose tissues (WAT) are the two main types of adipose tissues with beige subsets more recently identified. They play key roles in communication and insulin sensitivity. However, WAT has been shown to contribute significantly to endocrine function. WAT produces hormones and cytokines, collectively called adipocytokines, such as leptin and adiponectin. These adipocytokines have been proven to vary in conditions, such as metabolic dysfunction, type 2 diabetes, or inflammation. The regulation of fat storage, energy metabolism, satiety, and insulin release are all features of adipose tissues. As such, they are indicators that may provide insights on the development of metabolic dysfunction or type 2 diabetes and can be considered routes for therapeutic considerations. The essential roles of adipocytokines vis-a-vis satiety, appetite, regulation of fat storage and energy, glucose tolerance, and insulin release, solidifies adipose tissue role in the development and pathogenesis of diabetes mellitus and the complications associated with the disease.
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Affiliation(s)
- Lowell Dilworth
- Department of Pathology, Mona Campus, University of the West Indies, Kingston 7, Jamaica;
| | - Aldeam Facey
- Mona Academy of Sport, Mona Campus, University of the West Indies, Kingston 7, Jamaica;
| | - Felix Omoruyi
- Department of Life Sciences, Texas A&M University, Corpus Christi, TX 78412, USA
- Correspondence:
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Rana S, Sultana A, Bhatti AA. Effect of interaction between obesity-promoting genetic variants and behavioral factors on the risk of obese phenotypes. Mol Genet Genomics 2021; 296:919-938. [PMID: 33966103 DOI: 10.1007/s00438-021-01793-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 04/22/2021] [Indexed: 01/28/2023]
Abstract
The studies investigating gene-gene and gene-environment (or gene-behavior) interactions provide valuable insight into the pathomechanisms underlying obese phenotypes. The Pakistani population due to its unique characteristics offers numerous advantages for conducting such studies. In this view, the current study was undertaken to examine the effects of gene-gene and gene-environment/behavior interactions on the risk of obesity in a sample of Pakistani population. A total of 578 adult participants including 290 overweight/obese cases and 288 normal-weight controls were involved. The five key obesity-associated genetic variants namely MC4R rs17782313, BDNF rs6265, FTO rs1421085, TMEM18 rs7561317, and NEGR1 rs2815752 were genotyped using the TaqMan allelic discrimination assays. The data related to behavioral factors, such as eating pattern, diet consciousness, the tendency toward fat-dense food (TFDF), sleep duration, sleep-wake cycle (SWC), shift work (SW), and physical activity levels were collected via a questionnaire. Gene-gene and gene-behavior interactions were analyzed by multifactor dimensionality reduction and linear regression, respectively. In our study, only TMEM18 rs7561317 was found to be significantly associated with anthropometric traits with no significant effect of gene-gene interactions were observed on obesity-related phenotypes. However, the genetic variants were found to interact with the behavioral factors to significantly influence various obesity-related anthropometric traits including BMI, waist circumference, hip circumference, waist-to-hip ratio, waist-to-height ratio, and percentage of body fat. In conclusion, the interaction between genetic architecture and behavior/environment determines the outcome of obesity-related anthropometric phenotypes. Thus, gene-environment/behavior interaction studies should be promoted to explore the risk of complex and multifactorial disorders, such as obesity.
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Affiliation(s)
- Sobia Rana
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan.
| | - Ayesha Sultana
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Adil Anwar Bhatti
- Molecular Biology and Human Genetics Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD), International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
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Peleg-Raibstein D. Understanding the Link Between Maternal Overnutrition, Cardio-Metabolic Dysfunction and Cognitive Aging. Front Neurosci 2021; 15:645569. [PMID: 33716660 PMCID: PMC7953988 DOI: 10.3389/fnins.2021.645569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 02/10/2021] [Indexed: 12/16/2022] Open
Abstract
Obesity has long been identified as a global epidemic with major health implications such as diabetes and cardiovascular disease. Maternal overnutrition leads to significant health issues in industrial countries and is one of the risk factors for the development of obesity and related disorders in the progeny. The wide accessibility of junk food in recent years is one of the major causes of obesity, as it is low in nutrient content and usually high in salt, sugar, fat, and calories. An excess of nutrients during fetal life not only has immediate effects on the fetus, including increased growth and fat deposition in utero, but also has long-term health consequences. Based on human studies, it is difficult to discern between genetic and environmental contributions to the risk of disease in future generations. Consequently, animal models are essential for studying the impact of maternal overnutrition on the developing offspring. Recently, animal models provided some insight into the physiological mechanisms that underlie developmental programming. Most of the studies employed thus far have focused only on obesity and metabolic dysfunctions in the offspring. These studies have advanced our understanding of how maternal overnutrition in the form of high-fat diet exposure can lead to an increased risk of obesity in the offspring, but many questions remain open. How maternal overnutrition may increase the risk of developing brain pathology such as cognitive disabilities in the offspring and increase the risk to develop metabolic disorders later in life? Further, does maternal overnutrition exacerbate cognitive- and cardio-metabolic aging in the offspring?
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Affiliation(s)
- Daria Peleg-Raibstein
- Laboratory of Neurobehavioural Dynamics, Institute for Neuroscience, Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
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12
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Lee S, Knotts TA, Goodson ML, Barboza M, Wudeck E, England G, Raybould HE. Metabolic Responses to Butyrate Supplementation in LF- and HF-Fed Mice Are Cohort-Dependent and Associated with Changes in Composition and Function of the Gut Microbiota. Nutrients 2020; 12:nu12113524. [PMID: 33207675 PMCID: PMC7696936 DOI: 10.3390/nu12113524] [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] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/04/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022] Open
Abstract
The gut microbiota and associated metabolites have emerged as potential modulators of pathophysiological changes in obesity and related metabolic disorders. Butyrate, a product of bacterial fermentation, has been shown to have beneficial effects in obesity and rodent models of diet-induced obesity. Here, we aimed to determine the beneficial effects of butyrate (as glycerol ester of butyrate monobutyrin, MB) supplementation on metabolic phenotype, intestinal permeability and inflammation, feeding behavior, and the gut microbiota in low-fat (LF)- and high-fat (HF)-fed mice. Two cohorts (separated by 2 weeks) of male C57BL/6J mice (n = 24 in each cohort, 6/group/cohort; 6 weeks old) were separated into four weight-matched groups and fed either a LF (10 % fat/kcal) or HF (45% fat/kcal) with or without supplementation of MB (LF/MB or HF/MB) at 0.25% (w/v) in drinking water for 6 weeks. Metabolic phenotypes (body weight and adiposity), intestinal inflammation, feeding behavior, and fecal microbiome and metabolites were measured. Despite identical genetic and experimental conditions, we found marked differences between cohorts in the response (body weight gain, adiposity, and intestinal permeability) to HF-diet and MB. Notably, the composition of the gut microbiota was significantly different between cohorts, characterized by lower species richness and differential abundance of a large number of taxa, including subtaxa from five phyla, including increased abundance of the genera Bacteroides, Proteobacteria, and Parasutterella in cohort 2 compared to cohort 1. These differences may have contributed to the differential response in intestinal permeability to the HF diet in cohort 2. MB supplementation had no significant effect on metabolic phenotype, but there was a trend to protect from HF-induced impairments in intestinal barrier function in cohort 1 and in sensitivity to cholecystokinin (CCK) in both cohorts. These data support the concept that microbiota composition may have a crucial effect on metabolic responses of a host to dietary interventions and highlight the importance of taking steps to ensure reproducibility in rodent studies.
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Affiliation(s)
- Sunhye Lee
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA; (S.L.); (M.L.G.); (M.B.); (E.W.); (G.E.)
| | - Trina A. Knotts
- Department of Molecular Biosciences, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA;
| | - Michael L. Goodson
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA; (S.L.); (M.L.G.); (M.B.); (E.W.); (G.E.)
| | - Mariana Barboza
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA; (S.L.); (M.L.G.); (M.B.); (E.W.); (G.E.)
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA
| | - Elyse Wudeck
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA; (S.L.); (M.L.G.); (M.B.); (E.W.); (G.E.)
| | - Grace England
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA; (S.L.); (M.L.G.); (M.B.); (E.W.); (G.E.)
| | - Helen E. Raybould
- Department of Anatomy, Physiology, and Cell Biology, University of California Davis School of Veterinary Medicine, Davis, CA 95616, USA; (S.L.); (M.L.G.); (M.B.); (E.W.); (G.E.)
- Correspondence: ; Tel.: +1-530-754-6555
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13
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Factors Influencing the Early Introduction of Sugar Sweetened Beverages among Infants: Findings from the HSHK Birth Cohort Study. Nutrients 2020; 12:nu12113343. [PMID: 33143073 PMCID: PMC7693806 DOI: 10.3390/nu12113343] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/25/2020] [Accepted: 10/27/2020] [Indexed: 12/27/2022] Open
Abstract
Understanding the determinants of early introduction of sugar sweetened beverages (SSBs) may assist in designing effective public health interventions to prevent childhood weight related conditions (obesity). This study explores the relationship between family/infant characteristics and the early introduction of SSBs among infants in Sydney, Australia. Mothers (n = 934) from an ongoing birth cohort study were interviewed at 8, 17, 34, and 52 weeks postpartum. Multivariable logistic regression analysis was used to identify family/infant factors independently associated with the likelihood of early introduction of SSBs (<52 weeks of age). Of the 934 mothers interviewed, 42.7% (n = 399) of infants were introduced to SSBs before 52 weeks. Mothers who were born in Vietnam (adjusted Odds Ratio (AOR) = 2.14; 95% confidence interval (CI) 1.33, 3.47), other Asian countries (AOR = 1.62; 95% CI 1.02, 2.58) as well as single mothers (AOR = 3.72; 95% CI 2.46, 5.62) had higher odds of introducing SSBs early to their infants. Mothers from highly advantaged socioeconomic background (AOR = 0.43; 95% CI 0.28, 0.68), those who breastfed their baby for 17–25 weeks (AOR = 0.60; 95% CI 0.37, 0.99), 26–51 weeks (AOR = 0.65; 95% CI 0.45, 0.94), and 52 weeks or more (AOR = 0.62; 95% CI 0.43, 0.90); and those who introduced solids between 17–25 weeks (AOR = 0.58; 95% CI 0.36, 0.91) and 26 weeks or more (AOR = 0.55; 95% CI 0.34, 0.91) had reduced odds of introducing SSBs early. Tailoring health promotion programs for these vulnerable groups may delay the introduction of SSBs.
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Rodríguez-Rodríguez I, Fernández-Quiroga K, Araujo-Moreno P, Balderas-Rentería I, Gonzalez-Santiago O. G1359A Polymorphism of the Cannabinoid Receptor 1 Is Not Associated with Overweight and Dyslipidemia in Young Northeastern Mexicans. Cureus 2019; 11:e5776. [PMID: 31723535 PMCID: PMC6825498 DOI: 10.7759/cureus.5776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 09/26/2019] [Indexed: 01/22/2023] Open
Abstract
There is extensive evidence to believe that the endocannabinoid system plays an important role in energy homeostasis through a variety of mechanisms. This study aimed to analyze the association between polymorphism rs12720071 of the cannabinoid type 1 receptor (CNR1) gene with dyslipidemia and overweight in young, healthy Mexicans. The association was analyzed with a logistic regression model and expressed as odds ratio (OR). A total of 148 individuals agreed to participate. Overall, the serum concentrations of lipids were found to be in the normal range. However, females presented higher levels of cholesterol and low-density lipoprotein (LDL) than males [probability value (p) = <0.05]. In addition, females presented higher risk of being overweight (BMI: >25) [OR = 3.57; 95% confidence interval (CI): 1.05-12.20; p = 0.04], than males. Our results suggest that this polymorphism could influence BMI in young females.
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Affiliation(s)
| | | | - Pedro Araujo-Moreno
- Chemical Science, Universidad Autónoma De Nuevo León, San Nicolas de los Garza, MEX
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15
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Corbi G, Polito R, Monaco ML, Cacciatore F, Scioli M, Ferrara N, Daniele A, Nigro E. Adiponectin Expression and Genotypes in Italian People with Severe Obesity Undergone a Hypocaloric Diet and Physical Exercise Program. Nutrients 2019; 11:nu11092195. [PMID: 31547312 PMCID: PMC6769478 DOI: 10.3390/nu11092195] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/06/2019] [Accepted: 09/08/2019] [Indexed: 12/16/2022] Open
Abstract
Adiponectin exerts positive effects on metabolic and inflammatory processes. Adiponectin levels and some single-nucleotide polymorphisms (SNPs) seem to be associated with obesity. Here, we investigated the effects of a 4-week Hypocaloric diet and Physical exercise Program (HPP) on 268 young people with severe obesity. We evaluated the relationship between adiponectin levels and anthropometric and biochemical parameters, at baseline and after a 4-week HPP. Finally, we investigated some adiponectin gene variants and their correlation to biochemical parameters. Adiponectin levels were statistically lower in people with severe obesity than in controls. At the end of the HPP, all the people with severe obesity showed a Body Mass Index (BMI) reduction with a statistically significant increase in adiponectin levels. Genotyping, the adiponectin gene demonstrated a significant difference in 3 polymorphisms within the people with severe obesity. Besides, c.11377C>G and c.11391G>A homozygous subjects experienced more advantages by HPP. Furthermore, c.268G>A heterozygous subjects showed an enhancement in lipid profile as well in adiponectin levels. The best predictor of the changes in adiponectin levels was represented by the c.268G>A WT allele. Our study confirmed that a 4-weeks HPP in people with severe obesity results in metabolic amelioration associated with a significant increase of adiponectin levels. Importantly, we found that a specific genetic background in the ADIPOQ gene can predispose toward a more significant weight loss.
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Affiliation(s)
- Graziamaria Corbi
- Dipartimento di Medicina e Scienze della Salute, Università del Molise, 86100 Campobasso, Italy
| | - Rita Polito
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche, Farmaceutiche, Università della Campania "Luigi Vanvitelli", 81100 Caserta, Italy
- CEINGE-Biotecnologie Avanzate, 80131 Napoli, Italy
| | | | - Francesco Cacciatore
- Dipartimento di scienze mediche traslazionali, Università di Napoli "Federico II", 80131 Napoli, Italy
| | - Michelina Scioli
- Laboratorio della valutazione della complessità clinica, Istituti Clinici Scientifici Maugeri Spa SB, 82037 Telese, Italy
| | - Nicola Ferrara
- Dipartimento di scienze mediche traslazionali, Università di Napoli "Federico II", 80131 Napoli, Italy
- Laboratorio della valutazione della complessità clinica, Istituti Clinici Scientifici Maugeri Spa SB, 82037 Telese, Italy
| | - Aurora Daniele
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche, Farmaceutiche, Università della Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
- CEINGE-Biotecnologie Avanzate, 80131 Napoli, Italy.
| | - Ersilia Nigro
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche, Farmaceutiche, Università della Campania "Luigi Vanvitelli", 81100 Caserta, Italy
- CEINGE-Biotecnologie Avanzate, 80131 Napoli, Italy
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16
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Alharbi KK, Al-Sheikh YA, Alsaadi MM, Mani B, Udayaraja GK, Kohailan M, Ali Khan I. Screening for obesity in the offspring of first-cousin consanguineous couples: A Phase-I study in Saudi Arabia. Saudi J Biol Sci 2019; 27:242-246. [PMID: 31889843 PMCID: PMC6933162 DOI: 10.1016/j.sjbs.2019.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 08/26/2019] [Accepted: 09/01/2019] [Indexed: 01/19/2023] Open
Abstract
Consanguineous or cousin marriages are very common in Saudi Arabia. However, owing to limited studies and insufficient knowledge about genetic diseases/disorders, many couples are unaware of the increased health risks for their offspring. Among the inherited and complex diseases from parents’ consanguinity, obesity is common; therefore, we examined the prevalence of obesity in the offspring of first-cousin consanguineous couples in Saudi Arabia. In this questionnaire-based study, 657 individuals (mean age = 18.7 ± 10.2 years; age range = 2–65 years) who were residing in Riyadh, Saudi Arabia participated. Among them, almost 90% were native Saudis. Participants mean body mass index (BMI) was 24.5 ± 9.1 kg/m2. Sex- stratified demographic details confirmed a significant association between age and BMI (p < .001). We confirmed that adolescents and adults were more prone to develop obesity. Adults and non-Saudi participants were three times more likely to develop obesity if they had first-cousin consanguineous parents than those who did not. Of the 30% of participants who were obese, 100 will be selected for Phase II, in which we plan to perform exome sequencing.
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Affiliation(s)
- Khalid Khalaf Alharbi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Yazeed A Al-Sheikh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Muslim M Alsaadi
- Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | | | | | - Imran Ali Khan
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
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17
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The environmental obesogen bisphenol A increases macrophage self-renewal. Cell Tissue Res 2019; 378:81-96. [DOI: 10.1007/s00441-019-03019-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 03/14/2019] [Indexed: 12/14/2022]
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Associations of ADIPOQ and LEP Gene Variants with Energy Intake: A Systematic Review. Nutrients 2019; 11:nu11040750. [PMID: 30935050 PMCID: PMC6520881 DOI: 10.3390/nu11040750] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 03/21/2019] [Accepted: 03/27/2019] [Indexed: 12/20/2022] Open
Abstract
This systematic review aims to evaluate the association of adiponectin (ADIPOQ) and leptin (LEP) gene variants with energy intake. Cross-sectional, cohort, and case–control studies that reported an association of leptin and/or adiponectin gene variants with energy intake were included in this review. Human studies without any age restrictions were considered eligible. Detailed individual search strategies were developed for each of the following bibliographic databases: Cochrane, Latin American and Caribbean Center on Health Sciences Information (LILACS), PubMed/MEDLINE, Scopus, and Web of Science. Risk of bias assessment was adapted from the Downs and Black scale and was used to evaluate the methodology of the included studies. Seven studies with a pooled population of 2343 subjects were included. The LEP and ADIPOQ gene variants studied were LEP-rs2167270 (k = 1), LEP-rs7799039 (k = 5), ADIPOQ-rs2241766 (k = 2), ADIPOQ-rs17300539 (k = 1), and ADIPOQ marker D3S1262 (k = 1). Two of the seven studies reviewed demonstrated a positive association between the LEP-rs7799039 polymorphism and energy intake. Two other studies—one involving a marker of the ADIPOQ gene and one examining the ADIPOQ-rs17300539 polymorphism—also reported associations with energy intake. More research is needed to further elucidate the contributions of genetic variants to energy metabolism.
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de Marco G, Garcia-Garcia AB, Real JT, Gonzalez-Albert V, Briongos-Figuero LS, Cobos-Siles M, Lago-Sampedro A, Corbaton A, Teresa Martinez-Larrad M, Carmena R, Martin-Escudero JC, Rojo-Martínez G, Chaves FJ. Respiratory chain polymorphisms and obesity in the Spanish population, a cross-sectional study. BMJ Open 2019; 9:e027004. [PMID: 30782949 PMCID: PMC6377525 DOI: 10.1136/bmjopen-2018-027004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE To study the association of genes involved in the mitochondrial respiratory chain (MRC) pathway with body mass index (BMI) and obesity risk. DESIGN This work studies three cross-sectional populations from Spain, representing three provinces: HORTEGA (Valladolid, Northwest/Centre), SEGOVIA (Segovia, Northwest/centre) and PIZARRA (Malaga,South). SETTING Forty-eight single nucleotide polymorphisms (SNPs) from MRC genes were selected and genotyped by SNPlex method. Association studies with BMI and obesity risk were performed for each population. These associations were then verified by analysis of the studied population as a whole (3731 samples). PARTICIPANTS A total of 3731 Caucasian individuals: 1502 samples from HORTEGA, 988 from PIZARRA and 1241 from SEGOVIA. RESULTS rs4600063 (SDHC), rs11205591 (NDUFS5) and rs10891319 (SDHD) SNPs were associated with BMI and obesity risk (p values for BMI were 0.04, 0.0011 and 0.0004, respectively, and for obesity risk, 0.0072, 0.039 and 0.0038). However, associations between rs4600063 and BMI and between these three SNPs and obesity risk are not significant if Bonferroni correction is considered. In addition, rs11205591 and rs10891319 polymorphisms showed an additive interaction with BMI and obesity risk. CONCLUSIONS Several polymorphisms from genes coding MRC proteins may be involved in BMI variability and could be related to the risk to become obese in the Spanish general population.
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Affiliation(s)
- Griselda de Marco
- Genomic and Genetic Diagnosis Unit, Research Foundation of Valencia University Clinical Hospital-INCLIVA, Valencia, Spain
| | - Ana Barbara Garcia-Garcia
- Genomic and Genetic Diagnosis Unit, Research Foundation of Valencia University Clinical Hospital-INCLIVA, Valencia, Spain
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
| | - Jose Tomas Real
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
- Endocrinology and Nutrition Service, University Clinical Hospital and INCLIVA, Valencia, Spain
- Department of Medicine, University of Valencia, Valencia, Spain
| | - Veronica Gonzalez-Albert
- Genomic and Genetic Diagnosis Unit, Research Foundation of Valencia University Clinical Hospital-INCLIVA, Valencia, Spain
| | | | - Marta Cobos-Siles
- Internal Medicine Service, Rio Hortega University Hospital, Valladolid, Spain
| | - Ana Lago-Sampedro
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
- Endocrinology and Nutrition Department, IBIMA.Regional University Hospital of Malaga, UMA, Malaga, Spain
| | - Arturo Corbaton
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
- Diabetes Research Laboratory, Biomedical Research Foundation. University Clinical Hospital San Carlos, Madrid, Spain
| | - Maria Teresa Martinez-Larrad
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
- Diabetes Research Laboratory, Biomedical Research Foundation. University Clinical Hospital San Carlos, Madrid, Spain
| | - Rafael Carmena
- Department of Medicine, University of Valencia, Valencia, Spain
| | | | - Gemma Rojo-Martínez
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
- Endocrinology and Nutrition Department, IBIMA.Regional University Hospital of Malaga, UMA, Malaga, Spain
| | - Felipe Javier Chaves
- Genomic and Genetic Diagnosis Unit, Research Foundation of Valencia University Clinical Hospital-INCLIVA, Valencia, Spain
- CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Madrid, Spain
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