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Original Article - Clinical trial
WITHDRAWN:Randomized controlled trial of effect of N-acetylcysteine as an antioxidant on iron overload in children with thalassemia major
Yasmen A Mohamed, Mohamed H Meabed, Amany Ashraf, Dalia S Morgan, Mostafa G Abdul Latif, Rehab M Abd-Elkareem, Heba M Ahmed
Background: β-Thalassemias are characterized by the presence of mutations in the globin gene that result in the absence or reduced synthesis of β-globin chains of the hemoglobin tetramer. Several studies have reported increased oxidative stress in β-thalassemia major (β-TM) patients. N-acetylcysteine (NAC), a derivative of L-cysteine amino acid, is commonly used as a mucolytic drug. Numerous studies have reported efficient...
Original Article
Hematology
Effects of α-tocopherol on hemolysis and oxidative stress markers on red blood cells in β-thalassemia major
Nora Sovira, Munar Lubis, Pustika Amalia Wahidiyat, Franciscus D. Suyatna, Djajadiman Gatot, Saptawati Bardosono, Mohammad Sadikin
Clin Exp Pediatr. 2020;63(8):314-320.   Published online August 15, 2020
Question: Is the α-tocopherol as an exogenous antioxidant supplementation effective in improving hemolysis and oxidative stress on β-thalassemia major?
Finding: We found significant enhancements in plasma haptoglobin were noted in the α-tocopherol group (3.01 mg/dL; range, 0.60–42.42 mg/dL; P=0.021).
Meaning: The α-tocopherol can improve hemolysis by increasing the haptoglobin level as hemolysis marker.
Review Article
Ambient air pollution and allergic diseases in children
Byoung-Ju Kim, Soo-Jong Hong
Clin Exp Pediatr. 2012;55(6):185-192.   Published online June 21, 2012

The prevalence of allergic diseases has increased worldwide, a phenomenon that can be largely attributed to environmental effects. Among environmental factors, air pollution due to traffic is thought to be a major threat to childhood health. Residing near busy roadways is associated with increased asthma hospitalization, decreased lung function, and increased prevalence and severity of wheezing and allergic rhinitis. Recently,...

Original Article
Effects of puromycin aminonucleoside on the cytoskeletal changes of glomerular epithelial cells
Jun Ho Lee, Tae Sun Ha
Clin Exp Pediatr. 2008;51(1):54-61.   Published online January 15, 2008
of microvilli, but also separated the intercellular gaps and linear ZO-1. PAN induced oxidative stresses in time and dose dependent manners and increases of intercellular permeability in anti-oxidants inhibitable manners. High concentration of PAN induced not only actin polymerization and disorganization, but also the conglomerulation and internal dislocation of α-actinin protein. The intensities of fluorescences of ZO-1 protein were diminished...
The Protective Effect of Vitamin E and Desferrioxamine on Cultured Cerebral Neurons of Neonatal Mouse Damaged by Ischemic Condition
So-ra Lee, Yeon-kyun Oh, Seung-taek Park
Clin Exp Pediatr. 1999;42(10):1426-1433.   Published online October 15, 1999
Purpose : Perinatal asphyxia is an important cause of neurologic morbidity. Experiments in animal models of hypoxic-ischemic brain injury demonstrate that brain damage starts during hypoxia-ischemia. In order to evaluate the ischemic condition-induced neurotoxic effect in view of oxi- dative stress, we examined the cytotoxic effect in cultured cerebral neurons of neonatal mouse. Methods : Dissociated cell cultures were prepared...
The Effects of Glutamate Receptor Antagonists on Cultured Cerebral Cortical Neurons of Neonatal Mouse Damaged by Oxidative Stress
Dae-ho Choi, Yeon-kyun Oh, Seung-taek Park
Clin Exp Pediatr. 1999;42(8):1096-1103.   Published online August 15, 1999
Purpose : To evaluate neurotoxic effects induced by oxygen-radicals, which were generated by adding xanthine oxidase(XO) and hypoxanthine(HX), and protective effects of glutamate receptor antagonist such as MK-801 and 6-cyano-7-nitroquinoxaline(CNQX). Methods : Dissociated cell cultures were prepared from cerebrum of neonatal mouse. Tissues were dissected and diced into small pieces in phosphate buffered saline and were incubated at 37℃. Isolated cells...
Effects of Thioredoxin on Oxidative Neuronal Cell Injury
Hyunmi Kim, Gyoung Hee Kim, Yoon Song Lee
Clin Exp Pediatr. 1999;42(5):686-696.   Published online May 15, 1999
Purpose : Thioredoxin is an endogenous antioxidant which directly scavenges reactive oxygen species(ROS) and regenerates oxidatively damaged protein by reducing potential at the redox active disulfide(-Cys-Gly-Pro-Cys-) site. Under oxidative stress, thiredoxin plays a protective and adaptative role by inducing expressions. The aim of this study was to clarify the role of thioredoxin on oxidative neuronal cell injury. We investigated the...
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