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Jafri SK, Iqbal A, Alam A, Lassi Z, Frei J. Use of antioxidants supplementation on developmental outcomes in children with Down syndrome-A systematic review and meta-analyses. Child Care Health Dev 2022; 48:177-189. [PMID: 34644809 DOI: 10.1111/cch.12918] [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: 06/02/2021] [Revised: 08/30/2021] [Accepted: 10/05/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND The background of this study is to evaluate the published literature on the use of antioxidants in improving developmental outcomes in children with DS. METHODS The systematic review included interventional studies (randomized controlled trials [RCTs] and quasi-RCTs [q-RCTs]) of children aged 0 to 18 years diagnosed with DS who received antioxidants to improve developmental outcomes. Studies were excluded if they were interventional studies with non-random allocation or lack of control group or non-interventional studies including observational studies, systematic and narrative review articles, editorials and commentaries. Studies were also excluded if data from participants with DS were included as part of a larger group of participants (e.g., children with intellectual disability) and the data could not be separated for subgroup analysis, or if outcomes did not assess developmental domains (e.g., reported biochemical markers only). The review included children with other conditions associated with developmental disability, only when data for children with DS were separately reported. RESULTS Eleven RCTs and q-RCTs fulfilled the eligibility criteria with 683 participants with Down syndrome ranging in age from newborns to 17 years. Nine studies did not show any statistically significant clinical benefit of using antioxidants. Three studies were included in a meta-analysis comparing changes in the effect sizes (post and pre-intervention) in Global Developmental Quotient (GDQ) between the intervention and control groups. CONCLUSION This review concludes that it is likely that the results are valid and suggest that the use of Antioxidant has no improvement in GDQ for children with DS. It is also unclear if any benefit exists for other developmental domains.
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Affiliation(s)
- Sidra Kaleem Jafri
- Pediatrics and Child Health, Aga Khan University Hospital, Karachi, Pakistan
| | - Atiya Iqbal
- Undergraduate Program, McMaster University, Hamilton, Canada
| | - Anusha Alam
- Medical College, Aga Khan University, Karachi, Pakistan
| | - Zohra Lassi
- Robinson Research Institute, University of Adelaide, Adelaide, Australia
| | - Julia Frei
- Division of Development Pediatrics, McMaster University, Hamilton, Canada
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Beserra JB, Morais JBS, Severo JS, Cruz KJC, de Oliveira ARS, Henriques GS, do Nascimento Marreiro D. Relation Between Zinc and Thyroid Hormones in Humans: a Systematic Review. Biol Trace Elem Res 2021; 199:4092-4100. [PMID: 33409921 DOI: 10.1007/s12011-020-02562-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 12/22/2020] [Indexed: 11/26/2022]
Abstract
The aim of this study was to systematically evaluate the relation between zinc and the thyroid hormones in humans. The search for articles was conducted using the Pubmed, Scopus, Cochrane Central Register of Controlled Trials (CENTRAL), and ScienceDirect databases on October 21 and 22, 2019, by two authors independently. The recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) were followed in the conduct of this review. The Cochrane Collaboration tool was used to assess the risk of bias of the trials included in this review. After the screening of the articles, eight studies that assessed the effects of zinc supplementation on thyroid hormone concentrations and ten studies that assessed the relationship between blood zinc concentrations and thyroid hormones were included in this systematic review. Although cross-sectional and case-control studies have shown a relationship between zinc deficiency and thyroid, the data from this systematic review provides inconclusive evidence with respect to the effects of zinc supplementation on thyroid hormone concentrations due to the divergence of the research found by the authors that only reports findings in patients suffering from some kind of disease, which cannot be generalized to the average human population.
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Affiliation(s)
- Jéssica Batista Beserra
- Department of Nutrition, Federal University of Piauí, Campus Minister Petrônio Portela, Teresina, Piauí, Brazil
| | | | - Juliana Soares Severo
- Department of Nutrition, Federal University of Piauí, Campus Minister Petrônio Portela, Teresina, Piauí, Brazil
| | - Kyria Jayanne Clímaco Cruz
- Department of Nutrition, Federal University of Piauí, Campus Minister Petrônio Portela, Teresina, Piauí, Brazil
| | | | | | - Dilina do Nascimento Marreiro
- Department of Nutrition, Federal University of Piauí, Campus Minister Petrônio Portela, Teresina, Piauí, Brazil.
- Departamento de Nutrição, Universidade Federal do Piauí, Campus Ministro Petrônio Portela, Bairro Ininga, Teresina, Piauí, 64049550, Brazil.
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Naureen Z, Miggiano GAD, Aquilanti B, Velluti V, Matera G, Gagliardi L, Zulian A, Romanelli R, Bertelli M. Genetic test for the prescription of diets in support of physical activity. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:e2020011. [PMID: 33170161 PMCID: PMC8023120 DOI: 10.23750/abm.v91i13-s.10584] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 09/17/2020] [Indexed: 01/03/2023]
Abstract
Owing to the fields of nutrigenetics and nutrigenomics today we can think of devising approaches to optimize health, delay onset of diseases and reduce its severity according to our genetic blue print. However this requires a deep understanding of nutritional impact on expression of genes that may result in a specific phenotype. The extensive research and observational studies during last two decades reporting interactions between genes, diet and physical activity suggest a cross talk between various genetic and environmental factors and lifestyle interventions. Although considerable efforts have been made in unraveling the mechanisms of gene-diet interactions the scientific evidences behind developing commercial genetic tests for providing personalized nutrition recommendations are still scarce. In this scenario the current mini-review aims to provide useful insights into salient feature of nutrition based genetic research and its commercial application and the ethical issue and concerns related to its outcome.
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Affiliation(s)
- Zakira Naureen
- Department of Biological Sciences and Chemistry, College of Arts and Sciences, University of Nizwa, Nizwa, Oman.
| | | | - Barbara Aquilanti
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Valeria Velluti
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Giuseppina Matera
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Lucilla Gagliardi
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | | | | | - Matteo Bertelli
- MAGI'S LAB, Rovereto (TN), Italy; MAGI EUREGIO, Bolzano, Italy; EBTNA-LAB, Rovereto (TN), Italy.
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Nutritional challenges in children and adolescents with Down syndrome. THE LANCET CHILD & ADOLESCENT HEALTH 2020; 4:455-464. [DOI: 10.1016/s2352-4642(19)30400-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 11/15/2019] [Accepted: 11/27/2019] [Indexed: 12/14/2022]
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Saghazadeh A, Mahmoudi M, Dehghani Ashkezari A, Oliaie Rezaie N, Rezaei N. Systematic review and meta-analysis shows a specific micronutrient profile in people with Down Syndrome: Lower blood calcium, selenium and zinc, higher red blood cell copper and zinc, and higher salivary calcium and sodium. PLoS One 2017; 12:e0175437. [PMID: 28422987 PMCID: PMC5396920 DOI: 10.1371/journal.pone.0175437] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 03/27/2017] [Indexed: 12/12/2022] Open
Abstract
Different metabolic profiles as well as comorbidities are common in people with Down Syndrome (DS). Therefore it is relevant to know whether micronutrient levels in people with DS are also different. This systematic review was designed to review the literature on micronutrient levels in people with DS compared to age and sex-matched controls without DS. We identified sixty nine studies from January 1967 to April 2016 through main electronic medical databases PubMed, Scopus, and Web of knowledge. We carried out meta-analysis of the data on four essential trace elements (Cu, Fe, Se, and Zn), six minerals (Ca, Cl, K, Mg, Na, and P), and five vitamins (vitamin A, B9, B12, D, and E). People with DS showed lower blood levels of Ca (standard mean difference (SMD) = -0.63; 95% confidence interval (CI): -1.16 to -0.09), Se (SMD = -0.99; 95% CI: -1.55 to -0.43), and Zn (SMD = -1.30; 95% CI: -1.75 to -0.84), while red cell levels of Zn (SMD = 1.88; 95% CI: 0.48 to 3.28) and Cu (SMD = 2.77; 95% CI: 1.96 to 3.57) were higher. They had also higher salivary levels of Ca (SMD = 0.85; 95% CI: 0.38 to 1.33) and Na (SMD = 1.04; 95% CI: 0.39 to 1.69). Our findings that micronutrient levels are different in people with DS raise the question whether these differences are related to the different metabolic profiles, the common comorbidities or merely reflect DS.
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Affiliation(s)
- Amene Saghazadeh
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- MetaCognition Interest Group (MCIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Maryam Mahmoudi
- Department of Cellular and Molecular Nutrition, School of Nutrition and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
- Dietitians and Nutrition Experts Team (DiNET), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Atefeh Dehghani Ashkezari
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- NeuroImmunology Research Association (NIRA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Nooshin Oliaie Rezaie
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Boston, MA, United States of America
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Boston, MA, United States of America
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Kohlmeier M, De Caterina R, Ferguson LR, Görman U, Allayee H, Prasad C, Kang JX, Nicoletti CF, Martinez JA. Guide and Position of the International Society of Nutrigenetics/Nutrigenomics on Personalized Nutrition: Part 2 - Ethics, Challenges and Endeavors of Precision Nutrition. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2016; 9:28-46. [PMID: 27286972 DOI: 10.1159/000446347] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Nutrigenetics considers the influence of individual genetic variation on differences in response to dietary components, nutrient requirements and predisposition to disease. Nutrigenomics involves the study of interactions between the genome and diet, including how nutrients affect the transcription and translation process plus subsequent proteomic and metabolomic changes, and also differences in response to dietary factors based on the individual genetic makeup. Personalized characteristics such as age, gender, physical activity, physiological state and social status, and special conditions such as pregnancy and risk of disease can inform dietary advice that more closely meets individual needs. Precision nutrition has a promising future in treating the individual according to their phenotype and genetic characteristics, aimed at both the treatment and prevention of disease. However, many aspects are still in progress and remain as challenges for the future of nutrition. The integration of the human genotype and microbiome needs to be better understood. Further advances in data interpretation tools are also necessary, so that information obtained through newer tests and technologies can be properly transferred to consumers. Indeed, precision nutrition will integrate genetic data with phenotypical, social, cultural and personal preferences and lifestyles matters to provide a more individual nutrition, but considering public health perspectives, where ethical, legal and policy aspects need to be defined and implemented.
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Affiliation(s)
- Martin Kohlmeier
- Department of Nutrition, School of Public Health, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, N.C., USA
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Graber E, Chacko E, Regelmann MO, Costin G, Rapaport R. Down syndrome and thyroid function. Endocrinol Metab Clin North Am 2012; 41:735-45. [PMID: 23099267 DOI: 10.1016/j.ecl.2012.08.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Thyroid dysfunction in children with Down syndrome (DS) can occur as early as birth. As children with DS age, their risk for thyroid autoimmunity manifested as autoimmune hypothyroidism or Graves disease increases. The optimal timing and method for thyroid screening in children with DS remains controversial. The American Academy of Pediatrics recommends annual screening in this population. Consensus is needed to establish working definitions of euthyroidism and mild hypothyroidism in all infants, but especially in those with DS.
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Affiliation(s)
- Evan Graber
- Division of Pediatric Endocrinology and Diabetes, Mount Sinai School of Medicine, New York, NY 10029, USA.
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