Nutritional Aspects of Noonan Syndrome and Noonan-Related Disorders

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Arquivos
art_SILVA_Nutritional_Aspects_of_Noonan_Syndrome_and_NoonanRelated_Disorders_2016.PDF (179.34 KB)
Citações na Scopus
19
Tipo de produção
article
Data de publicação
2016
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
WILEY-BLACKWELL
Autores
MALAQUIAS, Alexandra
Citação
AMERICAN JOURNAL OF MEDICAL GENETICS PART A, v.170, n.6, p.1525-1531, 2016
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Rasopathies are a group of rare disorders characterized by neurocardiofaciocutaneous involvement, and caused by mutations in several genes of the RAS/MAPK pathway. In the present study, we characterized growth parameters, body composition, and nutritional aspects of children and adults (n = 62) affected by these disorders, mainly Noonan syndrome, using an indirect method-anthropometry-and a 24-hr recall questionnaire. The growth parameters in our cohort showed short stature, especially in individuals with RAF1 and SHOC2 mutations, lower obesity rates compared to the control population, and BMI scores highest in individuals with BRAF mutations and lowest in individuals with SHOC2. Body composition showed a compromise in the upper arm muscle circumference, with a statistically significant difference in the z-score of triceps skin-fold (P = 0.0204) and upper arm fat area (P = 0.0388) between BRAF and SHOC2 groups and in the z-score of triceps skinfold between RAF1 and SHOC2 (P = 0.0218). The pattern of macro-nutrient consumption was similar to the control population. Our study is the first to address body composition in RASopathy individuals and the data indicate a compromise not only in adipose tissue, but also in muscle mass. Studies using different techniques, such as dual-energy X-ray absorptiometry or imaging studies, which give a more precise delineation of fat and non-fat mass, are required to confirm our results, ultimately causing an impact on management strategies. (C) 2016 Wiley Periodicals, Inc.
Palavras-chave
growth, body composition, anthropometry, food intake, Noonan syndrome, Noonan related disorders, RAS-MAPK pathway
URI
https://observatorio.fm.usp.br/handle/OPI/16092
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MCM
Artigos e Materiais de Revistas Científicas - FM/MPE
Artigos e Materiais de Revistas Científicas - HC/ICr
Artigos e Materiais de Revistas Científicas - HC/InCor
Artigos e Materiais de Revistas Científicas - LIM/13
Artigos e Materiais de Revistas Científicas - LIM/25
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