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Carrasco-Luna J, Navarro-Solera M, Gombert M, Martín-Carbonell V, Carrasco-García Á, Del Castillo-Villaescusa C, García-Pérez MÁ, Codoñer-Franch P. Association of the rs17782313, rs17773430 and rs34114122 Polymorphisms of/near MC4R Gene with Obesity-Related Biomarkers in a Spanish Pediatric Cohort. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1221. [PMID: 37508717 PMCID: PMC10378299 DOI: 10.3390/children10071221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/28/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023]
Abstract
Obesity is a multifactorial disease whose onset and development are shaped by the individual genetic background. The melanocortin 4 receptor gene (MC4R) is involved in the regulation of food intake and energy expenditure. Some of the single nucleotide polymorphisms (SNPs) of this gene are related to obesity and metabolic risk factors. The present study was undertaken to assess the relationship between three polymorphism SNPs, namely, rs17782313, rs17773430 and rs34114122, and obesity and metabolic risk factors. One hundred seventy-eight children with obesity aged between 7 and 16 years were studied to determine anthropometric variables and biochemical and inflammatory parameters. Our results highlight that metabolic risk factors, especially alterations in carbohydrate metabolism, were related to rs17782313. The presence of the minor C allele in the three variants (C-C-C) was significantly associated with anthropometric measures indicative of obesity, such as the body mass and fat mass indexes, and increased the values of insulinemia to 21.91 µIU/mL with respect to the wild type values. Our study suggests that the C-C-C haplotype of the SNPs rs17782313, rs17773430 and rs34114122 of the MC4R gene potentiates metabolic risk factors at early ages in children with obesity.
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Affiliation(s)
- Joaquín Carrasco-Luna
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, 46010 Valencia, Spain
- Department for Biotechnology, Faculty of Experimental Science, Catholic University of Valencia, 46001 Valencia, Spain
| | - María Navarro-Solera
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, 46010 Valencia, Spain
| | - Marie Gombert
- Biosciences Division, Center for Health Sciences, SRI International, Menlo Park, CA 94025, USA
| | - Vanessa Martín-Carbonell
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, 46010 Valencia, Spain
| | - Álvaro Carrasco-García
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, 46010 Valencia, Spain
| | - Cristina Del Castillo-Villaescusa
- Department of Pediatrics, University Hospital Doctor Peset, Foundation of Promotion of Health, Biomedical Research in the Valencian Region (FISABIO), 46020 Valencia, Spain
| | - Miguel Ángel García-Pérez
- Department of Genetics, Faculty of Biological Sciences, University of Valencia, INCLIVA, 46100 Valencia, Spain
| | - Pilar Codoñer-Franch
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, 46010 Valencia, Spain
- Department of Pediatrics, University Hospital Doctor Peset, Foundation of Promotion of Health, Biomedical Research in the Valencian Region (FISABIO), 46020 Valencia, Spain
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Gombert M, Martin-Carbonell V, Pin-Arboledas G, Carrasco-Luna J, Carrasco-García Á, Codoñer-Franch P. Melatonin Levels in Children with Obesity Are Associated with Metabolic Risk and Inflammatory Parameters. Nutrients 2021; 13:nu13103629. [PMID: 34684629 PMCID: PMC8541212 DOI: 10.3390/nu13103629] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/23/2021] [Accepted: 10/13/2021] [Indexed: 12/21/2022] Open
Abstract
Melatonin, the hormone of circadian rhythm regulation, is involved in the modulation of mitochondrial activity through its antioxidant and anti-inflammatory properties. Alteration of circadian rhythms such as sleep is related to obesity and metabolic pathogenesis in adulthood, but studies during childhood are scarce. The present study investigated the association of melatonin with metabolic and inflammatory markers in children with (n = 113) and without obesity (n = 117). Melatonin was measured in saliva four and two hours before bedtime, and after one hour of sleep. Cardiometabolic factors, high sensitivity C-reactive protein, immune markers (monocyte chemoattractant protein-1, plasminogen activator inhibitor-1, tumor necrosis α and interferon-γ), leptin and ghrelin were determined. Sleep duration was recorded by a questionnaire. The melatonin level at 1 h after sleep was found to be increased more than twofold in children with obesity (90.16 (57.16–129.16) pg/mL) compared to controls (29.82 (19.05–61.54) pg/mL, p < 0.001) and was related to fat mass (rho = 0.294, p < 0.001); melatonin levels at 1 h after sleep were inversely correlated with high-density lipoprotein cholesterol. Positive correlation was found with apolipoprotein B, adipokines, high sensitivity C-reactive protein, plasminogen activator inhibitor-1 and tumor necrosis factor-α. Shorter sleep duration and earlier waking times were recorded in children with obesity. In conclusion, melatonin in children with obesity appears to be involved in the global metabolic and inflammatory alteration of this condition.
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Affiliation(s)
- Marie Gombert
- Department of Pediatrics, Obstetrics and Gynecology, Universidad de Valencia, 46010 Valencia, Spain; (M.G.); (V.M.-C.); (Á.C.-G.)
| | - Vanessa Martin-Carbonell
- Department of Pediatrics, Obstetrics and Gynecology, Universidad de Valencia, 46010 Valencia, Spain; (M.G.); (V.M.-C.); (Á.C.-G.)
| | - Gonzalo Pin-Arboledas
- Pediatric Sleep Unit, Department of Pediatrics, Quironsalud Hospital, 46010 Valencia, Spain;
| | - Joaquín Carrasco-Luna
- Department of Experimental Sciences, Universitat Católica de Valencia, 46001 Valencia, Spain;
| | - Álvaro Carrasco-García
- Department of Pediatrics, Obstetrics and Gynecology, Universidad de Valencia, 46010 Valencia, Spain; (M.G.); (V.M.-C.); (Á.C.-G.)
| | - Pilar Codoñer-Franch
- Department of Pediatrics, Obstetrics and Gynecology, Universidad de Valencia, 46010 Valencia, Spain; (M.G.); (V.M.-C.); (Á.C.-G.)
- Service of Pediatrics, University Hospital Doctor Peset, FISABIO, 46017 Valencia, Spain
- Correspondence:
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Abstract
Life for meta-organisms is based on a strong relationship between gut bacteria and body cells. This review summarizes to what extent the microbiota can influence host circadian rhythms via a literature review on the topic. The results show that microbiota can influence the host's circadian gene expression through direct interactions via immunoreceptors and microbiota-derived metabolites, especially in peripheral tissues. Noteworthy metabolites that are only attributable to the microbiota are short-chain fatty acids and unconjugated bile acids. The microbiota also serves as a mediator for the interplay between the host's diet and circadian rhythmicity. This work furthermore displays that the microbiota is subject to diurnal variations in terms of structure and function and that the host and the host's diet influence these fluctuations. As most of these results originate in mouse models, we hope this work stimulates further research in human derived tissue to verify these conclusions.
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Affiliation(s)
- Victor Schmalle
- Department of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Axel Lorentz
- Department of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
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