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Article . 2009
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Hipoacusias de origen genético: actualización

Authors: Dalamon, Viviana Karina; Elgoyhen, Ana Belen;

Hipoacusias de origen genético: actualización

Abstract

La hipoacusia es el desorden neurosensorial con mayor prevalencia en los países desarrollados. Cerca del 50% de las hipoacusias no sindrómicas de herencia autosómica recesiva son causadas por mutaciones en los genes GJB2 y GJB6. Hasta la fecha se han identificado los genes responsables de más de cuarenta sorderas no sindrómicas y se han identificado más de 140 loci involucrados en las distintas formas de hipoacusias. El diagnóstico certero de la causa de la hipoacusia puede proveer información acerca del pronóstico del paciente y es esencial para un correcto asesoramiento genético. La estrategia de evaluación para abordar un estudio genético requiere: construcción del árbol genealógico de la familia, examen clínico en busca de rasgos asociados a hipoacusia sindrómica y análisis de las audiometrías para elegir el gen “candidato” a analizar. En este trabajo se revisan las causan más comunes de hipoacusia, así como los estudios genéticos existentes y las nuevas terapias celulares en desarrollo.

Sensorineural hearing loss is the most prevalent sensory disorder in developed countries. Approximately 50% of autosomal recessive non-syndromic deafness is caused by mutations in the GJB2 and GJB6 genes. To date the genes responsible for more than forty non-syndromic hearing impairments and over 140 loci involved in different forms of hearing loss have been identified. The correct diagnose of the specific cause of hearing loss in an individual can provide information concerning prognosis and is essential for the accurate genetic counseling. The following is usually required: a three-generation family history, a clinical examination looking for features associated with syndromic deafness and an audiometric analysis to identify “candidate genes” to analyze. In this paper, we review the most common causes of hearing loss, the current genetic studies and new promising cellular therapies.

Fil: Elgoyhen, Ana Belen. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr. Héctor N. Torres"; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Farmacología; Argentina

Fil: Dalamon, Viviana Karina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr. Héctor N. Torres"; Argentina

Country
Argentina
Keywords

Gjb6, Genetic Studies, https://purl.org/becyt/ford/3.2, https://purl.org/becyt/ford/3, Deafness, Gjb2

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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