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Inicio Endocrinología, Diabetes y Nutrición (English ed.) Familial bilateral macronodular adrenal hyperplasia due to a novel ARMC 5 germli...
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Vol. 71. Issue 3.
Pages 119-123 (March 2024)
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Vol. 71. Issue 3.
Pages 119-123 (March 2024)
Original article
Familial bilateral macronodular adrenal hyperplasia due to a novel ARMC 5 germline mutation: Clinical status and possible association with other neoplasms
Hiperplasia adrenal bilateral macronodular debido a una nueva mutación germinal de ARMC5. Desarrollo clínico y posible asociación con otras neoplasias
Ana Piñar-Gutiérreza, Miguel Ángel Mangas-Cruza, Irene de Lara-Rodrígueza,
Corresponding author
Irenedelara93@gmail.com

Corresponding author.
, Pablo Remón-Ruiza, Diego del Can-Sáncheza, María Tous Castillob, Alfonso Pumar-Lópeza
a UGC Endocrinología y Nutrición, Hospital Universitario Virgen del Rocío, Sevilla, Spain
b UGC Endocrinología y Nutrición, Hospital Universitario Virgen Macarena, Sevilla, Spain
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Table 1. Clinical data of carriers of the new mutation in the ARMC5 gene: c.2162T>C p. (Leu721Pro).
Abstract
Introduction/Objectives

Mutations in the ARMC5 (armadillo repeat containing 5, OMIM 615549) gene, a putative tumor suppressor gene, have recently been identified as a common cause of sporadic and familial bilateral macronodular adrenal hyperplasia (BMAH). Familial BMAH is thought to be caused by two mutations, one germline and the other somatic, as suggested by the 2-hit theory. The objective is to describe a new mutation and develop its clinical characteristics and implications.

Methods, Results and Conclusions

We present an affected family with 11 members carrying a novel mutation of the ARMC5 gene (NM_001288767.1): c.2162T>C p. (Leu721Pro). Two of the carriers developed clinical Cushing's syndrome (CS), two mild autonomous cortisol secretion (MACS) and one presented with autonomous cortisol secretion (ACS). Four patients developed other tumors, three of whom died from this cause. It is not known whether these tumors could be related to the described mutation.

Keywords:
ARMC5
Cushing's syndrome
Neoplasms
Mutation
Bilateral macronodular adrenal hyperplasia
Resumen
Introducción y objetivos

Las mutaciones en el gen armadillo repeat containing 5(ARMC5), OMIM 615549, un gen supresor tumoral, se ha identificado como una causa común de hiperplasia suprarrenal esporádica y familiar. Se cree que esta enfermedad está causada por 2 mutaciones, una germinal y otra somática, basada en la teoría del doble golpe. El objetivo es describir una nueva mutación y desarrollar sus características clínicas e implicaciones.

Métodos, resultados y conclusiones

Presentamos una familia afectada con 11 miembros portadores de una nueva mutación del gen ARMC5 (NM_001288767.1): c.2162T>C p. (Leu721Pro). Dos de los portadores desarrollaron síndrome de Cushing clínico, 2 secreción autónoma de cortisol leve y otro secreción autónoma de cortisol. Cuatro pacientes desarrollaron otros tumores, 3 de los cuales fallecieron por esta causa. Se desconoce si estos tumores podrían estar relacionados con la mutación descrita.

Palabras clave:
ARMC5
Síndrome de Cushing
Tumores
Mutación
Hiperplasia adrenal bilateral macronodular

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