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Arch. argent. pediatr ; 113(1): e10-e13, ene. 2015. ilus
Article in Spanish | LILACS, BINACIS | ID: lil-734295

ABSTRACT

La displasia metatrópica es una alteración esquelética con heterogeneidad clínica, caracterizada por dismorfias craneofaciales, que incluyen prominencia frontal e hipoplasia medio facial, tronco corto con cifoescoliosis progresiva y acortamiento de las extremidades. El gen TRPV4 se localiza en 12q24.11; codifica a un canal de catión con permeabilidad no selectiva al calcio, el cual se expresa y participa en muchos procesos fisiológicos en respuesta a diversos estímulos. Más de 50 mutaciones en TRPV4 han sido descritas. Se presenta el caso de una niña de 7 meses de edad con mutación heterocigota c.1811_1812delinsAT; p.I604N en el intrón 11 no informada previamente en el gen TRPV4 y con hallazgos clínicos compatibles con displasia metatrópica.


Metatropic dysplasia is a skeletal disorder with clinical heterogeneity, characterized by craniofacial dysmorphy including frontal bossing and midface hypoplasia, short trunk, progressive kyphoscoliosis and shortened limbs. The TRPV4 gene is located on 12q24.11, coding a cation channel with non-selective permeability to calcium; it is expressed and involved in many physiological processes through responses to different stimuli. Over 50 mutations in TRPV4 have been described. We present a seven months old girl with heterozygous mutation c.1811_1812delinsAT; p.I604N in intron 11 not previously reported in the TRPV4 gene and with clinical findings compatible with metatropic dysplasia


Subject(s)
Female , Infant , Pediatrics , Craniofacial Abnormalities , TRPV Cation Channels/genetics , Musculoskeletal Abnormalities , Mutation
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