Browsing by Author "Martín, C."
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- Functionally characterization of the most common LDLR missense alterations found in Portuguese FH patientsPublication . Alves, A.C.; Azevedo, S.; Benito-Vicente, A.; Etxebarria, A.; Barros, P.; Medeiros, A.M.; Martín, C.; Bourbon, MafaldaAims: Mutations in the LDLR gene are the major cause of familial hypercholesterolaemia (FH), which results in defective catabolism of LDL leading to premature coronary heart disease. Presently, more than 1700 different mutations in the LDLR gene have been described as causing FH but the majority of them remain without functional characterization. In the Portuguese Familial Hypercholesterolemia Study (PFHS), 123 LDLR alterations were found in 243 index patients and their relatives up to date. Until now, 70 of these alterations already have a final classification of pathogenic and 15 have been proved by in vitro studies to be non-pathogenic. The aim of the present work is to functionally characterize 16 LDLR missense alterations found in Portuguese FH patients and worldwide.
- Functionally characterization of the most common LDLR missense alterations found in Portuguese FH patientsPublication . Alves, A.C.; Azevedo, S.; Benito-Vicente, A.; Etxebarria, A.; Barros, P.; Medeiros, A.M.; Martín, C.; Bourbon, MafaldaMutations in the LDLR gene are the major cause of familial hypercholesterolaemia (FH), which results in defective catabolism of LDL leading to premature coronary heart disease. Presently, more than 1700 different mutations in the LDLR gene have been described as causing FH but the majority of them remain without functional characterization. In the Portuguese Familial Hypercholesterolemia Study (PFHS), 123 LDLR alterations were found in 243 index patients and their relatives up to date. Until now, 70 of these alterations already have a final classification of pathogenic and 15 have been proved by in vitro studies to be non-pathogenic. The aim of the present work was to functionally characterize the 16 most common LDLR alterations in our cohort without functional characterization found in Portuguese patients and worldwide.
- LDLR functional in vitro assays: a step forward for the correct genetic diagnosis of familial hypercholesterolemiaPublication . Azevedo, S.; Alves, A.C.; Medeiros, A.M.; Barros, P.; Martín, C.; Bourbon, M.Aim: Familial hypercholesterolaemia (FH) is an autosomal dominant disorder that confers an increased cardiovascular risk, due to high levels of cholesterol in blood since birth. FH has a prevalence of 1:500 and about 90% of these patients have mutations in the LDLR. Although more than 1600 alterations have been identified in FH patients, the majority of them remain without functional studies, being the aim of this work to construct vectors for the in vitro study of common alterations in Portuguese FH patients, contributing for phenotype/genotype clarification.