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Original Article
Expression of Fibroblast Growth Factor Receptors at Different Stages of Differentiation in Chick Embryo Chondrocytes
Jo Young Suh, Jong Eul Park, Woo Taek Kim
Clin Exp Pediatr. 2004;47(4):439-447.   Published online April 15, 2004
Purpose : Proliferative chondrocytes and prehypertrophic chondrocytes secrete significant amounts of type II collagen in an extracellular matrix. In contrast, hypertrophic chondrocytes secrete type X collagen. In addition, fibroblast growth factors (FGFs) and fibroblast growth factor receptors (FGFRs) also appear to play an important role during differentiation. Accordingly, the current study identified and characterized the chondrocytes and FGFR mRNA expressed...
Medical Lecture Course
Innate Immunity and Toll Like Receptors
Kyung Hyo Kim
Clin Exp Pediatr. 2004;47(1):6-11.   Published online January 15, 2004
Original Article
Effects of Endothelin A Receptor Antagonist to Cellular Proliferation and Apoptosis in Neonatal Rat Heart
Byung Min Choi, Kee Hwan Yoo, Young Sook Hong, Joo Won Lee, Soon Kyum Kim
Clin Exp Pediatr. 2003;46(7):668-678.   Published online July 15, 2003
Purpose : In order to investigate the role of endothelins in the cardiac development, the present study was designed to examine the effects of endothelin A receptor(ETAR) antagonist to the cellular proliferation and apoptosis in the neonatal rat heart. In addition, the expression of various regulatory genes in protein and mRNA levels by ETAR antagonist were examined. Methods : Neonatal...
Plasma G-CSF and GM-CSF Concentration and Amount of Their Receptors on the Granulocyte in Kawasaki Disease
Young-Kyoung Yoo, Gibum Lee, Hyun-Hee Kim, Soo-Young Kim, You-Jeong Kim, Wonbae Lee
Clin Exp Pediatr. 2003;46(4):376-381.   Published online April 15, 2003
Purpose : This study aimed to demonstrate the possible pathogenesis of granulopoiesis in patients of Kawasaki disease(KD) using quantitative analysis of G-CSF, GM-CSF and their CSFr. Methods : The plasma levels of G-CSF, GM-CSF, G-CSFr and GM-CSFr were studied in 14 patients in the acute phase of KD; 13 children with normal peripheral white blood cell counts were used as the...
Plasma G-CSF and GM-CSF Concentrations and Expression of their Receptors on the Granulocyte in Children with Leukocytosis
Won Seok Choi, Kyung Hwan Ryu, You Jeong Kim, So Young Kim, Hyun Hee Kim, Wonbae Lee
Clin Exp Pediatr. 2003;46(3):271-276.   Published online March 15, 2003
Purpose : Granulocyte-colony stimulating factor(G-CSF) and granulocyte macrophage-colony stimulating factor(GM-CSF) are principal cytokines in granulopoiesis and their physiologic effects are mediated through binding to specific cell surface receptors. Although it is known that the level of serum G-CSF and GM-CSF, and presentation of the receptors are increased in infectious diseases, there have been no studies to find the correlation between...
Case Report
A Case of Congenital Partial Nephrogenic Diabetes Insipidus
Eun Ha Mo, In Hye Nam, Min Ja Chung, Jae Hong Yu
Clin Exp Pediatr. 2002;45(7):902-905.   Published online July 15, 2002
The most common form of genetic nephrogenic diabetes insipidus(NDI), a rare inherited disorder, is congenital and is transmitted in an X-linked recessive mode. It is refractory to the antidiuretic effect of normal to moderately increased levels of plasma arginine vasopressin(AVP) but, in some cases, may respond to high levels of the hormone or its analogue, deamino-D-arginine vasopressin(DDAVP). X-linked congenital NDI...
Original Article
A Study of Receptor Expression in Leukocytes by Quantitative Fluorescence Measurement
Kyung Hyo Kim, Ju Young Seoh
Clin Exp Pediatr. 2002;45(5):637-645.   Published online May 15, 2002
Purpose : It is well known that the receptors for Fcγ moiety of IgG(FcγR) are instrumental in antibody-mediated clearance of microorganisms by granulocytes and monocytes, and immune regulation in lymphocytes. Furthermore, complement receptor-3(CR3) is also important in neutrophilic adhesion, diapedesis, and phagocytic functions. In an attempt to examine their roles in neonates, we compared the expressions of FcγRs and CR3...
Study on the Frequency of Receptor Insensitivity to Androgen Using the Androgen-receptor Binding Assay in the Genetic Male Children with Abnormalities of Sexual Differentiation
Choong Ho Shin, Sei Won Yang
Clin Exp Pediatr. 2002;45(1):95-102.   Published online January 15, 2002
Purpose : The development of external genitalia in genetic male is dependent on the transcriptional regulatory activity of dihydrotestosterone(DHT)-androgen receptor complex in the genital skin. The abnormality of androgen receptor encompasses a wide range of phenotypes. We investigated the androgen receptor binding capacity of genetic males with ambiguous genitalia(grade was determined by Prader grade) for the availability as screening test. Methods : The binding capacity...
Growth Hormone Receptor Mutation and Partial Growth Hormone Insensitivity in Children with Idiopathic Short Stature
So Chung Chung, Ran Namgung, Duk Hee Kim
Clin Exp Pediatr. 2001;44(8):922-935.   Published online August 15, 2001
Purpose : Children with idiopathic short stature(ISS) are classified on the basis of exclusion criteria. Short stature with normal or increased circulating growth hormone(GH) and low IGF-I levels indicates that partial growth hormone insensitivity(GHI) may play a role in ISS. The present study was performed to investigate whether partial GHI is observed in children with idiopathic short stature and whether...
Case Report
A Case of Apert`s Syndrome(Acrocophalosyndactyly) with Fibroblast Growth Factor Receptor 2 Exon Ⅲa Mutation
Hyung Su K, Pyl Soon Yang, Jee Yeoun Kang, Ok Young Kim, Chul Hae Ku, Wha Mo Lee
Clin Exp Pediatr. 2000;43(7):1006-1011.   Published online July 15, 2000
Apert syndrome is an uncommon congenital disorder characterized by malformation of the skull in association with symmetrical syndactyly of both hands and feet. This syndrome is autosomal dominant. The original description was presented by Apert in 1906. Since then more than 200 cases have been reported in the world. Recently, we experienced a case of newhorn male infant with congenital...
Original Article
Kinetics of GABAA Receptors in An Animal Model of Irradiation-induced Neuronal Migration Disorders
Chan Jong Kim, Young Jong Woo, Min Cheol Lee
Clin Exp Pediatr. 2000;43(7):933-941.   Published online July 15, 2000
Purpose : A majority of patients with neuronal migration disorders(NMDs) in cortical structures suffer from medically intractable epilepsy. The role of NMDs on seizure susceptibility or epileptogenecity has not been well documented. In the present study, we established an experimental model of NMDs in Sprague-Dawley rats by exposing fetal rats to external irradiation in order to demonstrate epileptogenic effect of NMDs lesions. Methods : Pregnant...
Changes in Fat Tissue and Growth Hormone Receptor mRNA after Growth Hormone Therapy
Hye Jung Shin, Duk Hee Kim, So Chung Chung, Kyungyoon Kam
Clin Exp Pediatr. 2000;43(2):247-252.   Published online February 15, 2000
Purpose : Growth hormone(GH) is a powerful inhibitor of lipoprotein lipase and is known to decrease fat cell mass. The lipolytic effect has more pronounced influence on visceral fat than subcutaneous fat. The effects of GH therapy on GH receptor in fat tissue are not clear. We investigated the changes in fat tissue and GH receptor mRNA in adipose tissue...
Distribution and Expression of Kainate(KA) Receptor Subunits in Moderate Hypoxic Newborn Piglet Brain
Chun Hyuk Chang, Woo Taek Kim
Clin Exp Pediatr. 1999;42(12):1651-1660.   Published online December 15, 1999
Purpose : The mechanism of hypoxic damage is mainly intracellular influx of calcium ions through the glutamate ionotropic receptor. This study was performed to determine alterations in distribution and expression of kainate receptor subunits after 1 hour of moderate hypoxia in the newborn piglet brain, as in a condition of mild to moderate perinatal hypoxic-ischemic encephalopathy. Methods : Ten newborn piglets...
Distribution and Expression of α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid(AMPA) Receptor Subunits in Moderate Hypoxic Newborn Piglet Brain
Na Yeon Kim, Woo Taek Ki
Clin Exp Pediatr. 1999;42(2):239-248.   Published online February 15, 1999
Purpose : The mechanism of hypoxic damage is mainly intracellular influx of calcium ions through the glutamate ionotropic receptor(NMDA, AMPA/kainate). This study was performed to determine alterations in distribution and expression of AMPA receptor subunits after 1-hour of moderate hypoxia in the newborn piglet brain, in a state of mild to moderate perinatal hypoxic-ischemic encephalopathy. Methods : Ten newborn piglets were...
Case Report
A Case of FGFR2 Exon Ⅲc Mutation in Crouzon Syndrome
Seon Chan Bae, Eun Ha Lee, Moon Sung Park, Si Houn Hah, Chang Ho Hong
Clin Exp Pediatr. 1998;41(12):1717-1721.   Published online December 15, 1998
Crouzon syndrome, an autosomal dominant disorder, has characteristic features of craniosynostosis, hypertelorism, exophthalmos, maxillary hypoplasia and relative mandibular prognathism. Mutations of fibroblast growth factor receptor 2(FGFR2) gene are associated with craniosynostotic conditions, such as Crouzon syndrome, Jackson-Weiss syndrome, Pfeiffer syndrome, Apert syndrome and Beare-Stevenson cutis gyrata. We found one child with common morphological features of Crouzon syndrome. Interestingly, she...
Original Article
The Espression of Fcγ Receptors and Mac-1 in Cord and Adult Blood Monocytes and Lymphocytes and Production of Interleukin-8 by Cord and Adult Blood Mononeuclear Cells Stimulated by Lipopolysacchride
Kyung Hyo Kim, Gyoung Hee Kim
Clin Exp Pediatr. 1997;40(12):1660-1669.   Published online December 15, 1997
Purpose : The immature neonatal immune system is thought to result in increased risk of infection. Receptors for the Fcmoiety of IgG(FcγR) are important in antibodymediated clearance of microbes by monocytes/macrophages and immune regulation in lymphocytes. As an approach to understanding their role in neonatal life, we have compared the constitutive expression of the three Fc receptors-FcγRI(CD64), FcγRII(CD32) and FcγRIII(CD16)-by neonatal and adult blood monocytes...
A Study for the Expression of the N-Methyl-D-Aspartate(NMDA) Subunit 2A(NR2A)and 2B(NR2B) of Rat Hippocampal Slices in the Hypoxic State
Hee Sin Go, Woo Taek Kim
Clin Exp Pediatr. 1996;39(9):1295-1308.   Published online September 15, 1996
Purpose : Excessive amounts of glutamate are released into the extracelluar space during hypoxia/ischemia and contribute to neuronal injury through overactivation of the NMDA receptors. It will be expected that the changes of the NMDA receptors to decrease the injury are developed as a kind of defense mechanism. The NMDA receptors are composed of NR1 and NR2, and there are four NR2 subunits; NR2A,...
Studies on the Prognostic Marker in Minimal Change Nephrotic Syndrome
Byoung-Soo Cho
Clin Exp Pediatr. 1993;36(7):906-912.   Published online July 15, 1993
Childhood minimal change nephrotic syndrome (MCNS) is often associated with hyper-sensitivity reactions and considered to be caused by immune dysfunction. The elevated serum IgE levels and atopic symptoms have been frequently associated in these patients. The present therapy for MCNS mainly depends on corticosteroids, alkylating agents such as chlorambucil, cyclophosphamide and cyclosporin A (Cy-A). Howerver, frequent relapses and severe side effects...
The Soluble Interleukin 2 Receptor Levels in Kawasaki Disease
Keum Chun Kim, Dong Soo Kim
Clin Exp Pediatr. 1992;35(12):1657-1666.   Published online December 15, 1992
Kawasaki disease has been known as an acute febrile mucocutaneous lymph node syndrome since 1967. But its definite pathophysiology still remains unclear. In order to study the immunologic basis for immunologic abnormalities in this disease, we studied the level of soluble interleukin-2 receptor (sIL-2R), interleukin-6 (IL-6) and C-reactive protein (CRP) at the acute and convalescent phases of the disease, comparing...
A clinical study of Graves' disease in children.
Kee Young Park, Ho Kyung Choi, Jong Jin Seo, Young Hun Chung
Clin Exp Pediatr. 1991;34(6):812-819.   Published online June 30, 1991
The authors analyzed the clinical manifestations, laboratory results, and relationship between the presence of antithyroid autoantibodies and response of short-term antithyroid medication in 20 children with Graves* disease who were diagosed at the Department of Pediatarics, Chungnam National Universtiy Hospital from March 1985 to February 1990. The results were as follows; 1) The ratio of male to female was 1:9. 2) The age distribution of patients ranged from...
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