SANDRO FELIX PERAZZIO

(Fonte: Lattes)
Índice h a partir de 2011
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Lattes
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Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/56 - Laboratório de Investigação em Dermatologia e Imunodeficiências, Hospital das Clínicas, Faculdade de Medicina
LIM/03 - Laboratório de Medicina Laboratorial, Hospital das Clínicas, Faculdade de Medicina

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Revista / Livro: Molecular Biology Reports ×

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  • article 2 Citação(ões) na Scopus
    Frequency of carriers for rare metabolic diseases in a Brazilian cohort of 320 patients
    (2022) QUAIO, Caio Robledo D'Angioli Costa; MOREIRA, Caroline Monaco; CHUNG, Christine Hsiaoyun; PERAZZIO, Sandro Felix; DUTRA, Aurelio Pimenta; KIM, Chong Ae
    Background Several metabolic disorders follow an autosomal recessive inheritance pattern. Epidemiological information on these disorders is usually limited in developing countries. Our objective is to assess carrier frequencies of rare autosomal recessive metabolic diseases in a cohort of Brazilian patients that underwent molecular investigation with exome sequencing and estimate the overall frequency of these diseases using the Hardy-Weinberg equation. Methods and results We reviewed the molecular findings of 320 symptomatic patients who had carrier status for recessive diseases actively searched. A total of 205 rare variants were reported in 138 different genes associated with metabolic diseases from 156 patients, which represents that almost half (48.8%) of the patients were carriers of at least one heterozygous pathogenic/likely pathogenic (P/LP) variant for rare metabolic disorders. Most of these variants are harbored by genes associated with multisystemic involvement. We estimated the overall frequency for rare recessive metabolic diseases to be 10.96/10,000 people, while the frequency of metabolic diseases potentially identified by newborn screening was estimated to be 2.93/10,000. Conclusions This study shows the potential research utility of exome sequencing to determine carrier status for rare metabolic diseases, which may be a possible strategy to evaluate the clinical and social burden of these conditions at the population level and guide the optimization of health policies and newborn screening programs.