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College of Medicine/School of Medicine (의과대학/대학원)
Pediatrics (소아과학전공)
Journal Papers (저널논문_소아과학전공)
Andersen Cardiodysrhythmic Periodic Paralysis With KCNJ2 Mutations: A Novel Mutation in the Pore Selectivity Filter Residue
- Authors
- Lim, Byung Chan; Kim, Gi Beom; Bae, Eun Jung; Noh, Chung Il; Kim, Ki Joong; Ko, Tae Sung; Chae, Jong-Hee; Hwang, Yong Seung; Hwang, Hee
- Issue Date
- 2010-04
- Publisher
- SAGE PUBLICATIONS INC
- Citation
- JOURNAL OF CHILD NEUROLOGY; Vol.25 4; 490-493
- Abstract
- Andersen cardiodysrhythmic periodic paralysis or Andersen-Tawil syndrome includes the distinct clinical features of periodic paralysis, cardiac arrhythmia, and facial and skeletal dysmorphisms and exhibits autosomal dominant inheritance. Mutations in the KCNP gene, which encodes the human inward rectifier potassium channel Kir2.1, have been identified in the majority of cases. Despite well-established clinical and molecular characteristics, treatment is still case oriented, and timely diagnosis could be delayed because of the low incidence and phenotypic heterogeneity of this disease. This article describes the clinical and molecular features of 3 cases of Andersen-Tawil syndrome in 2 families. One of the mutations (GI44D) was located in the pore selectivity filter residue (which is mutated recurrently) and was considered novel. Intermittent muscle weakness in childhood warrants careful evaluation of cardiac dysrhythmia and skeletal anomalies.
- ISSN
- 0883-0738
- Language
- English
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- College of Medicine/School of Medicine (의과대학/대학원)Pediatrics (소아과학전공)Journal Papers (저널논문_소아과학전공)
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