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Review Article
Infection
Changes in age-specific seroprevalence of Japanese encephalitis virus and impact of Japanese encephalitis vaccine in Korea
Byung Ok Kwak, Young Jin Hong, Dong Hyun Kim
Clin Exp Pediatr. 2022;65(3):108-114.   Published online September 24, 2021
Since the introduction of a universal Japanese encephalitis (JE) vaccination program and urbanization, the incidence of JE has dramatically decreased in Korea. However, recent JE cases have occurred, predominantly among unvaccinated adults and with a shift in age distribution. Continuous surveillance of the seroprevalence of JE is required to establish a proper immunization policy in Korea.
Neurology
Autoimmune encephalitis and epilepsy: evolving definition and clinical spectrum
Joo Hee Seo, Yun-Jin Lee, Ki Hyeong Lee, Elakkat Gireesh, Holly Skinner, Michael Westerveld
Clin Exp Pediatr. 2020;63(8):291-300.   Published online August 16, 2019
Advances in autoimmune encephalitis studies in the past 10 years have led to the identification of new syndromes and biomarkers that have transformed the diagnostic approach to the disorder. The disorder or syndrome has been linked to a wide variety of pathologic processes associated with the neuron-specific autoantibodies targeting intracellular and plasma membrane antigens. However, current criteria for autoimmune encephalitis...
Original Article
Outbreaks of mumps: an observational study over two decades in a single hospital in Korea
Ji-Ung Ryu, Eun-Kyung Kim, You-Sook Youn, Jung-Woo Rhim, Kyung-Yil Lee
Clin Exp Pediatr. 2014;57(9):396-402.   Published online September 30, 2014
Purpose

The introduction of the mumps vaccine has dramatically reduced the number of mumps cases, but outbreaks have recently occurred among highly vaccinated populations in developed countries. Epidemiological and clinical characteristics of patients with mumps admitted between 1989 and 2012 in a single hospital in Korea are described in the present study.

Methods

We retrospectively evaluated inpatients with mumps between 1989 and 2012...

Antibody prsistence after Haemophilus influenzae type b (Hib) primary vaccination and response to boosters in Korean children
Hyunju Lee, So Eun Park, Soo Young Lim, Kyong Min Choi, Hoan Jong Lee, Kyung Hyo Kim
Clin Exp Pediatr. 2007;50(5):449-456.   Published online May 15, 2007
Purpose : Antibody persistence after primary series of Haemophilus influenzae type b (Hib) vaccine and responses to boosters are seldom studied in Korean children. We performed this study to evaluate the antibody titer in relation to booster immunization of Hib vaccine in Korean children. Method : One hundred forty four children aged 12-23 months were enrolled in three university hospitals. The...
Validation of enzyme immunoassay for the quantitative measurement of human IgG antibodies specific for Haemophilus influenzae Type b capsular polysaccharide
Kyung Hyo Kim, Soo Young Lim
Clin Exp Pediatr. 2007;50(2):143-150.   Published online February 15, 2007
Purpose : This study was conducted to validate enzyme immunoassay (EIA) for the quantitative measurement of human IgG antibodies specific for Haemophilus influenzae type b (Hib) capsular polysaccharide. Method : We evaluated specificity, repeatability, intermediate precision, accuracy, lower limit of quantification (LLOQ), and stability to validate standardized EIA for the quantitative measurement of human anti-polyribosylribitol phosphate (PRP) IgG antibodies. Results :...
Outcome of pregnant mothers with systemic lupus erythematosus(focusing on congenital heart block)
Hey Sung Baek, Jae Hyung Choi, Nam Su Kim, Chang Ryul Kim, Su Ji Moon
Clin Exp Pediatr. 2006;49(4):381-387.   Published online April 15, 2006
Purpose : Neonatal lupus is characterized by congenital complete heart block(CCHB), cutaneous rash, and laboratory abnormalities in infants born to mothers with systemic lupus erythematosus(SLE). This study aims to examine the incidence of CCHB and clinical outcome in neonates born to mothers with SLE. Methods : The study group consisted of 49 neonates, born from 57 pregnancies of 55 women with...
The alteration of the positive rate of cytomegalovirus IgG antibody among preschool period children
Se-Young Seo, Sang-Jun Park, Ja-Young Hwang, Seong-Hoon Hahn, So-Young Kim, Hyun-Hee Kim, Wonbae Lee
Clin Exp Pediatr. 2006;49(1):51-55.   Published online January 15, 2006
Purpose : In order to evaluate the time of disappearance of cytomegalovirus(CMV) IgG antibodies from mothers, and the alteration of the positive rate of CMV IgG antibodies among preschool period children, we investigated the positive rate of CMV antibodies among preschool children. Methods : We studied 391 children who visited the Department of Pediatrics from March, 2001 to February, 2004. We...
Functional Immunity to Cross-Reactive Serotype 6A Induced by Serotype 6B in Pneumococcal Polysaccharide Vaccine
Kyung Hyo Kim
Clin Exp Pediatr. 2005;48(5):506-511.   Published online May 15, 2005
Purpose : Streptococcus pneumoniae serotype 6B and 6A are important pathogens in pneumococcal infections. It is commonly assumed that the 6B vaccines elicit antibodies cross-reacting with the 6A serotype and the cross-reactive antibodies protect against infections of 6A. To examine this assumption, we measured the opsonophagocytic capacity to serotype 6A and 6B in adults. Methods : Twenty-four adults were immunized...
Functional Antibody Responses to Seven Serotypes in Pneumococcal Polysaccharide Vaccine in Children
Ji Hye Park, Hee Jung Kim, Young Mi Hong, Kyung Hyo Kim
Clin Exp Pediatr. 2004;47(11):1173-1180.   Published online November 15, 2004
Purpose : Streptococcus pneumoniae is an important pathogen in children as well as in elderly people. The aim of this study was to assess the opsonization activity of pneumococal capsular antibody to seven serotypes in 23-valent pneumococcal polysaccharide vaccine before and after immunization in Korean children. Methods : Nine children from 24 to 49 months of age were immunized with 23-valent...
Natural History of Chronic Hepatitis B in Children
Yuria Kim, Seoung Yeon Baek, Ji Hyun Eom, Ki Sup Chung
Clin Exp Pediatr. 2004;47(3):282-289.   Published online March 15, 2004
Purpose : We investigated the spontaneous seroconversion rate of hepatitis B viral markers and predictive factors affecting seroconversion in children with chronic hepatitis B. Methods : The study population included 214 children diagnosed as chronic hepatitis B, with positive HBsAg, HBeAg and HBVDNA over six months, and all patients had a family history of chronic Hepatitis B. They were followed between...
Study on Anti-neutrophil Cytoplasmic Antibodies in Children with Henoch-Schölein Purpura
Shin Jong Lee, Woo Yeong Chung, Chul Ho Kim, Jeong Nyeo Lee
Clin Exp Pediatr. 1995;38(7):970-975.   Published online July 15, 1995
The presence of IgG, IgA and IgM antineutrophil cytoplasmic antibodies(ANCA) were inves-tigated in 32 children with Henoch-Schölein Purpura(HS purpura), in 14 children with HS pur-pura nephritis who were confirrned by renal biopsy and in 12 control children using flow cytom-etry(FASCan, Beckton-Dickinson, Co, USA) and indirect immunofluorescence technique(Sigma Diagnostics, USA). There were no evidence of IgG, IgA or IgM cytoplasmic ANCA(p-ANCA),...
Structure and Expression of Human Antibody Clones Specific for H. influenzae type b Capsular Polysaccharides
Kyung Hyo Kim, Gook Hyun Chung, Mitchell G. Scott, Moon H. Nahm
Clin Exp Pediatr. 1995;38(5):649-659.   Published online May 15, 1995
Purpose : Haemophilas influenzae type b is a significant pathogen in children and several v accines with different immunologic properties are clinically used. An individual produces oligoc-lonal anti-Hib-PS antibodies and the repertoire of human anti-HihPS Antibody (Ah) can be div- ided into two types by the structure of the light chain V region. Ah using A2-VK II gene product, which...
Case Report
A Case of Anti-Neutrophil Cytoplasmic Antibodies (ANCA) Positive Wegener's Granulomatosis
Won Tae Kim, Woo Jeong Kim, Joon Sik Kim, Chin Moon Kang, Kwan Kyu Park
Clin Exp Pediatr. 1994;37(8):1175-1181.   Published online August 15, 1994
Wegener's granulomatosis is a disease of unknown etiology that is characterized by the clinicopathologic complex of necrotizing granulomatous vasculitis of the upper and lower respiratory tract, glomerulonephritis, and variable degrees of small vessel vasculitis. Recently Antineutrophil Cytoplasmic Antibody (ANCA) has been reported to be a highly specific test for the diagnosis of Wegener's granulomatosis. We have experienced a patient of Wegener's...
Original Article
Production and Characterization of Monoclonal Antibodies to Perchloric Acid Soluble Antigen of M. tuberculosis(TB-II)
Kyung Hyo Kim, Dong Soo Kim
Clin Exp Pediatr. 1993;36(8):1116-1123.   Published online August 15, 1993
Mycobacteria cause diseases which occur the world over and whoich carry a considerable burden in morbidity, mortality and social problems. A battery of monoclonal antibodies specific for mycobacterial antigens would provide a useful tool for rapid diagnosis of mycobacterial diseases. Fourtenn monoclonal antibodies to perchloric acid soluble antigne of M. tuberculosis were produced. Immunoglobulin isotypes of monoclonal antibodies were ten...
Production and Characterization of Monoclonal Antibodies to Perchloric Acid Extract Antigen of M. bovis BCG(BCG Ⅱ)
Kyung Hyo Kim, Dong Soo Kim, Jeon Soo Shin
Clin Exp Pediatr. 1992;35(9):1183-1192.   Published online September 15, 1992
Mycobacteria causes disease which occur over the world. The development of reliable serological teset for the diagnosis of tuberculosis in humans has been complicated by the large degree of cross reactivitiy between antigens of Mycobacteria species can be used as a tool for serodiagnosis of tuberculosis. Fourteen monoclonal antibodies to perchloric acid extract antigen of M. bovis BCG were produced....
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