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https://observatorio.fm.usp.br/handle/OPI/46235
Title: | Identification of genetic variants associated with familial hypercholesterolemia in Chilean children and adolescents |
Authors: | SANCHEZ, Andrea; BUSTOS, Paulina; HONORATO, Paula; SAEZ, Katia; ELIM-JANNES, Cinthia; BARRIGA, Natalia; IBIETA, Guillermo; PEREZ, Luis; ALONSO, Rodrigo; RADOJKOVIC, Claudia; ASENJO, Sylvia |
Citation: | REVISTA MEDICA DE CHILE, v.149, n.9, p.1267-1274, 2021 |
Abstract: | Background: Familial hypercholesterolemia (FH) is commonly associated with mutations in-LDL receptor (LDLR), apolipoprotein B (APOB) and proprotein convertase subtilisin/kexin type 9 (PCSK9). Aim: To identify genetic variants associated with FH in a population of children and adolescents with hypercholesterolemia or a family history of-demonstrated early CVD. Material and Methods: Clinical and biochemical parameters were evaluated, and nine genes related to FH were sequenced namely LDLR, APOB, PCSK9, LDLRAP1, LIPA, APOE, ABCG5, ABCG8 and STAP1, in 55 children and adolescents aged 1 to 18 years old, from non-consanguineous families. Results: Mutations associated with FH were found in 17 children and adolescents, corresponding to p.Asp47Asn, duplication of exons 13-15 and p.Ser326Cys of the LDLR gene; p.Glu204(star) and Ile268Met of the APOE gene. Thirteen patients were heterozygous, two homozygous, two compound heterozygous, and one double heterozygous. Conclusions: Children and adolescents carrying mutations associated with FH were found by selective screening, which constitutes the first stage in the identification of genetic variants in our country. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - HC/InCor Artigos e Materiais de Revistas Científicas - LIM/13 |
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