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Original Article
Detection of nasopharyngeal carriages in children by multiplex reverse transcriptase-polymerase chain reaction
Ji Hye Shin, Hye Young Han, Sun Young Kim
Clin Exp Pediatr. 2009;52(12):1358-1363.   Published online December 15, 2009
Purpose : The aim of this study was to determine the prevalence of asymptomatic nasopharyngeal carriages in children using a multiplex reverse transcriptase-polymerase chain reaction (mRT-PCR) assay kit. Methods : We obtained nasopharyngeal swabs from 33 children without any underlying disease from July 25 to July 28, 2008. The children were free from the signs of respiratory tract infections at the...
Changes in the expression of cytokines and apoptosis-related genes in children with infectious mononucleosis
Dae Sun Jo, Ji Hye Han, Sun Young Kim, Min Sun Kim, Ho Keun Yi, Dae-Yeol Lee, Pyoung Han Hwang
Clin Exp Pediatr. 2009;52(12):1348-1357.   Published online December 15, 2009
Purpose : The aims of this study were to identify the clinical characteristics and determine the changes in the expression of cytokines and apoptosis-related genes in children with infectious mononucleosis. Methods : Serological examinations of 15 pediatric patients diagnosed with infectious mononucleosis were performed prospectively. Peripheral blood from the patients was used to compare the composition of T cell subsets,...
Review Article
Eosinophil disorders
Sun Young Kim
Clin Exp Pediatr. 2009;52(6):643-648.   Published online June 15, 2009
Blood eosinophilia can be classified as either familial or acquired. Familial eosinophilia is a rare autosomal dominant disorder characterized by a stable eosinophil count. Acquired eosinophilia is classified further into a primary or secondary phenomenon depending on whether eosinophils are considered integral to the underlying disease. Primary eosinophilia is considered clonal in the presence of either a cytogenetic abnormality or...
Original Article
Iron chelating agent, deferoxamine, induced apoptosis in Saos-2 osteosarcoma cancer cells
Eun Hye Park, Hyo Jung Lee, Soo Yeon Lee, Sun Young Kim, Ho Keun Yi, Dae Yeol Lee, Pyoung Han Hwang
Clin Exp Pediatr. 2009;52(2):213-219.   Published online February 15, 2009
Purpose : Iron is a critical nutritional element that is essential for a variety of important biological processes, including cell growth and differentiation, electron transfer reactions, and oxygen transport, activation, and detoxification. Iron is also required for neoplastic cell growth due to its catalytic effects on the formation of hydroxyl radicals, suppression of host defense cell activities, and promotion of...
Case Report
Hand-Foot syndrome induced by sorafenib, a multitargeted tyrosine kinase inhibitor, in a patient with advanced renal cell carcinoma
Seung Hyun Lee, Sung Hun Noh, Sun Young Kim, Kyu Yun Jang, Pyoung Han Hwang
Clin Exp Pediatr. 2009;52(1):119-123.   Published online January 15, 2009
Renal cell carcinoma (RCC) arising from epithelial cells of the renal tubules is a highly aggressive and malignant tumor in all ages; however, it rarely occurs in children. the standard treatment for RCC is radical nephrectomy with lymph node dissection when the tumor is localized and can be completely resected. Adjuvant chemotherapy, radiotherapy, and immunotherapy are used for pediatric patients...
Original Article
Capsaicin induced apoptosis and the enhanced anticancer effect of anticancer drugs in cancer cells
Sun Young Kim, You Jin Lee, Eun Hye Park, Ho Keun Yi, Dae Sun Jo, Jung Soo Kim, Pyoung Han Hwang
Clin Exp Pediatr. 2008;51(3):307-314.   Published online March 15, 2008
Purpose : Capsaicin, the major pungent ingredient in red pepper, has long been used in spices and food additives. It has been recently shown to induce apoptosis in several cell lines through a not well known mechanism. The aim of this study was to investigate the apoptosis-inducing effect of capsaicin on gastric cancer cells, and to provide valuable information concerning...
Clinical significance of loss of p16 protein by immunohistochemical staining in acute lymphoblastic leukemia
Hye Young Jin, Kyoung In Kang, Sun Young Kim, You Sook Youn, Joon Won Kang, Deog Yeon Jo, Kye Chul Kwon, Kyung Duk Park
Clin Exp Pediatr. 2008;51(1):73-77.   Published online January 15, 2008
Purpose : p16 gene, mapped to the 9p21 chromosomal region, has emerged as a candidate tumor suppressor gene in human neoplasm. It is an inhibitor of cyclin-dependent kinase and inhibits Rb phosphorylation. In a variety of tumors including childhood acute lymphoblastic leukemia (ALL), deletion and/or mutation of the p16 gene has been found. Despite their high frequency, the prognostic importance...
Effect of intravenous deferoxamine in multiply transfused patients
Sang Min Oh, Joon Won Kang, Sun Young Kim
Clin Exp Pediatr. 2007;50(12):1225-1230.   Published online December 15, 2007
Purpose : Multiple transfusions in patients with chronic anemia can result in excessive iron deposition in tissues and organs. Effective iron chelation therapy in chronically transfused patients can only be achieved when iron chelators remove sufficient amounts of iron equivalent to those accumulated in the body from transfusions, thus leading to maintain body iron load at a non-toxic level. This...
Short-term follow up of thyroid function after pediatric hematopoietic stem cell transplantation
Seon-Ju Lee, Jae-Wook Lee, Dae-Hyoung Lee, Young-Joo Kwon, Young-Shil Park, Hui Sung Hwang, Sun Young Kim, Ji Kyoung Park, Pil-Sang Jang, Min-Ho Jung, Nak-Gyun Chung, Dae-Chul Jeong, Bin Cho, Hack-Ki Kim, Byung-Churl Lee
Clin Exp Pediatr. 2006;49(11):1211-1215.   Published online November 15, 2006
Purpose : In this study, we analyzed the short term changes of thyroid function, incidence and risk factors of thyroid dysfunction soon after allogeneic hematopoietic stem cell transplantation (HSCT) in children. Methods : We enrolled 80 pediatric patients following allogeneic HSCT, at the Catholic HSCT center between January, 2004 and February, 2006. Serum TSH (thyroid stimulating hormone), total serum thyroxine and...
The anti-tumor mechanisms of p53 through the regulation of expression and glycosylation of insulin-like growth factor binding protein-3
Sun Young Kim, Se Rim Kim, Jung Chang Lee, Ho Keun Yi, Dae Yeol Lee, Pyoung Han Hwang
Clin Exp Pediatr. 2006;49(4):431-438.   Published online April 15, 2006
목 적 : 새로운 암억제 유전자로 알려진 IGFBP-3의 주요 기능은 IGF-I과 IGF-II와 결합을 하여 IGF의 기능을 조절하는 IGF dependent mechanism과 IGFBP-3 자체가 IGF와 결합과는 무관하게 세포의 apoptosis를 유도하는 IGF independent mechanism이 보고되었다. 암억제 유전자 p53의 대표적인 항암기전의 하나는 직접 IGFBP-3의 발현을 증가시키며, 발현된 IGFBP-3는 암세포의 apoptosis를 유도시킨다. IGFBP-3의 항암작용은 보고되었지만, IGFBP-3의 변역 후 변형에 의한 항암기전은 전혀 밝혀져 있지 않다....
CMV antigenemia following pediatric hematopoietic stem cell transplantation : risk factors and outcomes
Eun-Young Cho, Young-Shil Park, Dae-Hyung Lee, Ji Kyoung Park, Sangrhim Choi, Sun Young Kim, Pil-Sang Jang, Dong-Gun Lee, Nak-Gyun Chung, Jong Hyun Kim, Dae-Chul Jeong, Bin Cho, Jae Gyun Hur, Jin Han Kang, Hack-Ki Kim
Clin Exp Pediatr. 2006;49(2):173-180.   Published online February 15, 2006
Purpose : Cytomegalovirus(CMV) infection still remains as a major cause of morbidity and mortality after stem cell transplantation. In this study, we analyzed the results of antigenemia-guided pre- emptive therapy among children with allogeneic hematopoietic stem cell transplantation to determine the incidence and risk factors associated with CMV antigenemia, and evaluated the efficacy of the CMV antigenemia based preemptive therapy....
Comparision of PCR-RFLP, PCR-SSCP, Amplication Refractory Mutation System(ARMS) in Leu72Met Polymorphism of Ghrelin Gene
Ju Sung Kang, Se Rim Kim, Sun Young Kim, Chan Uhng Joo, Soo Chul Cho, Pyoung Han Hwang
Clin Exp Pediatr. 2005;48(10):1068-1075.   Published online October 15, 2005
Purpose : The role of ghrelin, which promotes the secretion of growth hormone, was not well known until now. Recently it was found that the mutation of ghrelin gene is related to obesity and diabetes. This study is to find the screening method that can easily and effectively detect the polymorphism of Leu72Met in ghrelin gene of obesity patients and...
Clinical Evaluation of Tissue Biopsy for Children with Neck Mass; A Single Center Study
You Sook Youn, Hye Won Yoon, Sun Young Kim, Ji Young Sul, Chang Jun Song, Jin Man Kim, Kyung Duk Park
Clin Exp Pediatr. 2005;48(8):839-845.   Published online August 15, 2005
Purpose : Neck masses, in pediatric population, derive from a multitude of congenital, inflammatory, or neoplastic diseases. The majority of these masses represent benign conditions. However, thorough clinical evaluation is required to rule out malignant diseases. We evaluated the causes, clinical characteristics and outcomes of children with neck masses who underwent tissue biopsy. Methods : A total of 28 medical records...
Case Report
Melanotic Neuroectodermal Tumor of Infancy in the Epididymis : A Case Report
Sang Bae Lee, Seong Hun Lee, Min Hyuk Ryu, Ji Seoung Park, Joo Heoun Yang, Sun Young Kim, Dong Jean Lee
Clin Exp Pediatr. 2004;47(12):1334-1337.   Published online December 15, 2004
Melanotic neuroectodermal tumor of infancy (MNTI) is a rare neoplasm known by a variety of names including melanotic progonoma and retinal anlage tumor, and currently thought to be neural crest derivation. The vast majority develop within the first year of life. The behavior is generally benign, but recurrent and metastatic cases have been documented. It arises in the head and...
Original Article
Assessment of Cardiac Function in Neonates by Using Tissue Doppler Imaging
Hee Chul Yoon, Jae Hoon Choe, Sun Young Kim, In Kyu Lee, Myung Ho Oh
Clin Exp Pediatr. 2004;47(9):959-964.   Published online September 15, 2004
Purpose : Tissue Doppler imaging(TDI) is recently being used for assessement of regional ventricular function in adults. However, data in neonates have not been established yet. The aim of this study is to establish reference values of TDI velocities and to investigate the effect of other factors on TDI velocites in the neonatal population. Methods : Forty eight healthy neonates with...
The Tumor Suppressor Function of PTEN/MMAC1 through the Regulation of IGFs and IGFBPs
Ho Keun Yi, Dong Jin Hwang, Sun Young Kim, Dae Yeol Lee, Pyoung Han Hwang
Clin Exp Pediatr. 2004;47(8):884-891.   Published online August 15, 2004
Purpose : PTEN/MMAC1, a novel tumor suppressor gene, is mutated in a variety of advanced and metastatic cancers. It acts as a phosphatase, and thereby, regulates the PI-3 kinase/Akt pathway. In this study, we examined to evaluate the new function of anti-tumor effects of PTEN/MMAC1 through the regulation of the IGFs-IGFBPs in gastric cancer cells. Methods : PTEN/MMAC1 was expressed in...
Association between the Human Surfactant Protein-A(SP-A) Gene Locus and Respiratory Distress Syndrome in Korean Neonates
Jae Hoon Choe, Myung Ho Oh, Jung Ho Ko, Sun Young Kim, In Kyu Lee, Chong Woo Bae
Clin Exp Pediatr. 2004;47(7):735-739.   Published online July 15, 2004
Purpose : Respiratory distress syndrome(RDS) is caused by a deficiency of pulmonary surfactant, which is a lipoprotein complex. Both low levels of surfactant protein A(SP-A) and SP-A alleles have been associated with RDS. However, the genes underlying susceptibility to RDS are insufficiently known. The candidate-gene approach was used to study the association between the SP-A gene locus and RDS in...
Diagnostic Approach of Wiskott-Aldrich Syndrome
Dong Jin Hwang, Jun Won Yang, Sun Young Kim, Ho Keun Yi, Dae Yeol Lee, Pyoung Han Hwang
Clin Exp Pediatr. 2004;47(7):726-734.   Published online July 15, 2004
Objective : A probable diagnosis of Wiskott-Aldrich syndrome(WAS) should be considered in any boy presenting with unusual bleeding, congenital thrombocytopenia and small platelets. The definitive diagnosis of WAS is usually made by the detection of WASP gene mutation or a decrease or absence of the WAS protein(WASP) in blood cells using molecular genetic analysis. However, these methods are too time-consuming...
Apoptotic Pathway Induced by Dominant Negative ATM Gene in CT-26 Colon Cancer Cells
Jung Chang Lee, Ho Keun Yi, Sun Young Kim, Dae Yeol Lee, Pyoung Han Hwang, Jin Woo Park
Clin Exp Pediatr. 2003;46(7):679-686.   Published online July 15, 2003
Purpose : Ataxia telangiectasia mutated(ATM) is involved in DNA damage responses at different cell cycle checkpoints, and signalling pathways associated with regulation of apoptosis in response to ionizing radiation(IR). However, the signaling pathway that underlies IR-induced apoptosis in ATM cells has remained unknown. The purpose of this study was, therefore, to investigate the apoptotic pathway that underlies IR-induced apoptosis in...
Follow-up in Adult after Total Repair of Tetralogy of Fallot
Gi Young Jang, Sun Young Kim, Joo Ryung Moon, Joon Huh, I-Seok Kang, Seung Woo Park, Tae Gook Jun, Pyo Won Park, Heung Jae Lee
Clin Exp Pediatr. 2003;46(7):661-667.   Published online July 15, 2003
Purpose : This study was performed to find the chief clinical problems associated with the ages of adult patients of tetralogy of Fallot(TOF) who had undergone total correction. Methods : Of the 30 patients who were registered at the Grown-Up Congenital Heart Disease (GUCH) Clinic of Samsung Medical Center for TOF, a retrospective investigation was carried out on 28 patients who...
Novel Gap Junction Molecules, Connexin 37, Enhances the Bystander Effect in HSVtk/GCV Gene Therapy
Sun Young Kim, Ho Keun Yi, Jung Chang Lee, Dong Jin Hwang, Pyoung Han Hwang, Dae Yeol Lee, Soo Chul Cho
Clin Exp Pediatr. 2003;46(6):541-547.   Published online June 15, 2003
Purpose : Gap junction intercellular communication(GJIC) is an important mechanism of the bystander effect in herpes simplex thymidine kinase/ganciclovir(HSVtk/GCV) gene therapy Therefore, we attempted to enhance the bystander effect in vitro by exogenous overexpressing connexin 37(Cx37) in cells to increase GJIC. Methods : NIH3T3 cells were transfected with the Cx37 and HSVtk gene or the HSVtk gene alone by the calcium...
Case Report
A Case of Infantile Marfan Syndrome
Sun Young Kim, Hee Ju Park
Clin Exp Pediatr. 1999;42(11):1583-1588.   Published online November 15, 1999
Marfan syndrome is infrequently diagnosed early in infancy. The morphologic characteristics and prognosis in infantile Marfan syndrome may be quite different from those in older patients. Characteristic cardiac findings in early life include mitral valve prolapse, valvular regurgitation, and aortic root dilation. Morbidity and mortality may be high for infants diagnosed with Marfan syndrome. Cardiac surgery for cardiovascular complication in...
A Case of Isolated Right Ventricular Hypoplasia without Tricuspid Atresia or Pulmonary Atresia
Eui Jun Yang, Sun Young Kim, Sank Ook Nam, Hee Ju Park, Nam Hee Kwak
Clin Exp Pediatr. 1999;42(7):1026-1030.   Published online July 15, 1999
Isolated right ventricular hypoplasia, unassociated with severe pulmonary or tricuspid valvar malformations, is a rare primary congenital cardiac anomaly in which of the trabecular portion of right ventricle fails to develop. An atrial septal defect or a patent foramen ovale serves as an escape valve. We observed a 2-day-old neonate with this disorder who suffered from cyanosis. The diagnosis was...
A Case of Mollaret Meningitis
Sun Young Kim, Eu Jun Yang, Sang Uk Nam
Clin Exp Pediatr. 1999;42(1):122-127.   Published online January 15, 1999
Mollaret meningitis is a recurrent aseptic meningitis with characteristic clinical features and Mollaret cells in cerebrospinal fluid. Since Mollaret first reported Mollaret meningitis in 1944, further reports had been made mainly in Europe. The syndrome consists of brief attacks of meningitis that recur at regular intervals and alternate with a symptom-free period lasting for weeks or months. The symptoms subside...
A Case of VURD Syndrome
Sun Young Kim, Eu Jun Yang, Jae Hong Park, Su Young Kim, Sang Don Lee
Clin Exp Pediatr. 1998;41(12):1722-1725.   Published online December 15, 1998
VURD syndrome is a disorder characterized by a posterior urethral valve, unilateral reflux, and ipsilateral renal dysplasia. This syndrome is not uncommon, with an incidence in the range of 15 to 20% in patients with posterior urethral valve. Etiology is not clear, but there are a few reports that renal dysplasia is either a result of hydrostatic pressure transmitted to...
Four Cases of Massive Infiltrating Congenital Cystic Hygroma Managed by Bleomycin Sclerosing Therapy
Hyun Kwack, Dong Wook Kim, Kyung Woon No, Jun Heo, Sun Young Kim, Young Pyo Jang, Jung-Hwan Choi, Chong Ku Yun, Seong En Jung, Gui Won Park, Woo Gi Kim, In Won Kim, Kyung Mo Yeon
Clin Exp Pediatr. 1992;35(8):1148-1156.   Published online August 15, 1992
Cystic hygroma is a true, benign, congenital multi-cystic tumor. It is thought to be arised from failure of the lymphatic system to communicate with the venous system. Frequently it occurs at birth, and it is found most commonly in the neck as painless and fluctuant mass. For many years, surgical excision has been considered as the treatment of choice. However, excision...
Original Article
Urinary Ca Excretion in Children Under the 2 Years of Age.
Hee Shang Yoim, Sun Young Kim, Young Choi, Kwang Wook Ko
Clin Exp Pediatr. 1985;28(8):766-772.   Published online August 31, 1985
The level of the calcium and the creatinine were measured in 2nd voided morning urine and 24hr urine in 32 patients of the pediatric ward SNUH. They were males aging from 2 months to 24 months. The Ca/Cr concentration ratio was calculated in 2nd voided morning urine and 24hr urine, and 24hr urine Ca excretion per body weight were also...
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