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Original Article
Microdeletion of Chromosome 7 in Williams Syndrome and Supravalvular Aortic Stenosis
Ho Sung Kim, Yoon Sung Kang, Kyung Hyo Kim, Young Mi Hong, Yong Soo Yun, Kwang Ho Lee
Clin Exp Pediatr. 1999;42(1):47-59.   Published online January 15, 1999
Purpose : Williams syndrome is characterized by supravalvular aortic stenosis, mental retardation and peculiar facial appearance. Its genetic etiology is considered to be a hemizygotic deletion in Chromosome 7q11.23, which includes the elastin gene. We examined the hemizygotic deletion of Chromosome 7q11.23 in 12 Korean Williams syndrome patients and 8 patients with isolated supravalvular aortic stenosis and performed deletion mapping...
The Transfer of IgG-Subclasses From Mother to Fetus in the Korean Population.
Goo Sang Kim, Sang Il Lee, Ka Young Chang, Kwang Ho Lee
Clin Exp Pediatr. 1989;32(12):1650-1660.   Published online December 31, 1989
Normal IgG is now divided into four subclasses; IgGl, IgG2, IgG3 and IgG4. Each subclass has its unique characteristics. The different subclass compositions of antibodies are raised in humans against different immunogenic materials such as vaccinations or microoraganisms. All the IgG subclasses are reported to be transferable from mother to fetus through the placenta, but there have been some controversies in case of IgG2. For...
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