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Original Article
The large-conductance calcium-activated potassium channel holds the key to the conundrum of familial hypokalemic periodic paralysis
June-Bum Kim, Sung-Jo Kim, Sun-Yang Kang, Jin Woong Yi, Seung-Min Kim
Clin Exp Pediatr. 2014;57(10):445-450.   Published online October 31, 2014
Purpose

Familial hypokalemic periodic paralysis (HOKPP) is an autosomal dominant channelopathy characterized by episodic attacks of muscle weakness and hypokalemia. Mutations in the calcium channel gene, CACNA1S, or the sodium channel gene, SCN4A, have been found to be responsible for HOKPP; however, the mechanism that causes hypokalemia remains to be determined. The aim of this study was to improve the understanding...

Review Article
Channelopathies
June-Bum Kim
Clin Exp Pediatr. 2014;57(1):1-18.   Published online January 31, 2014

Channelopathies are a heterogeneous group of disorders resulting from the dysfunction of ion channels located in the membranes of all cells and many cellular organelles. These include diseases of the nervous system (e.g., generalized epilepsy with febrile seizures plus, familial hemiplegic migraine, episodic ataxia, and hyperkalemic and hypokalemic periodic paralysis), the cardiovascular system (e.g., long QT syndrome, short QT syndrome,...

Case Report
Familial hyperkalemic periodic paralysis caused by a de novo mutation in the sodium channel gene SCN4A
Ji-Yeon Han, June-Bum Kim
Clin Exp Pediatr. 2011;54(11):470-472.   Published online November 30, 2011

Familial hyperkalemic periodic paralysis (HYPP) is an autosomaldominant channelopathy characterized by transient and recurrent episodes of paralysis with concomitant hyperkalemia. Mutations in the skeletal muscle voltage-gated sodium channel gene SCN4A have been reported to be responsible for this disease. Here, we report the case of a 16-year-old girl with HYPP whose mutational analysis revealed a heterozygous c.2111C>T substitution in the...

Original Article
The Efficacy of Speech and Language Therapy for Children with Speech and Language Delays according to the Eiologies
June-Bum Kim, Jin-Soon Suh, Young-Hoon Kim, Seung-Yun Chung, In-Goo Lee, Kyung-Tai Whang, Byung-Churl Lee
Clin Exp Pediatr. 2005;48(9):924-928.   Published online September 15, 2005
Purpose : Treatment efficacy for children with speech and language delay has been the subject of considerable debate in recent years. We evaluated the clinical features of children with delayed speech and language and their prognoses according to their etiologies after 6 months of speech and language therapy. Methods : From January, 2000 to March, 2004, we retrospectively reviewed 56...
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