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Quantification of endothelin-1 in human umbilical venous endothelial cell culture supernatants of small for gestational age and preeclampsia neonates

Korean Journal of Pediatrics 2007;50(12):1194-1199.
Published online December 15, 2007.
Quantification of endothelin-1 in human umbilical venous endothelial cell culture supernatants of small for gestational age and preeclampsia neonates
Won Kyoung Cho, So Young Kim, Chung Sik Chun
Department of Pediatrics, College of Medicine, Catholic University, Seoul, Korea
부당 경량아 및 전자간증 산모의 신생아 제대혈관내피세포의endothelin-1 발현 비교
조원석, 김소영, 전정식
가톨릭대학교 의과대학 소아과학교실
Correspondence: 
So Young Kim, Email: sykimped@catholic.ac.kr
Abstract
Purpose
: It was generally accepted now a days that the pathogenesis of preeclampsia, small for gestational age (SGA), intrauterine growth retardation and fetal origin of adult diseases were related with a endothelial cell dysfunction. The purpose of this study was to know the relation of such diseases by assessing the level of endothelin-1.
Methods
: SGA babies, newborns of preeclampsia and normal control mother were included in this study. Isolated endothelial cells were centrifugated and mixed with media in 37℃, 5% CO2 to obtain confluent monolayer of cultured human umbilical venous endothelial cell (HUVEC). Endothelin-1 levels were determined by Endothelin-1 colorimetric (EIA) Kits. We examined the endothelin-1 level in the HUVEC supernatants from SGA baby, and newborns from preeclampsia as well as normal mother. Also, we compared the endothelin-1 level of cultured normal HUVEC incubated with serum from cord blood of SGA, babies of preeclampsia or normal control mother.
Results
: The endothelin-1 levels in cultured HUVEC supernatants of three groups showed no significant difference but the endothelin-1 levels of cultured normal HUVEC incubated with serum from preeclampsia mother or SGA mother was significantly higher than those from newborns of control mothers (P<0.05).
Conclusion
: These findings suggest that there may be the factor which affect the endothelin-1 level in serum of cord blood from SGA and preeclampsia.
Key Words: Preeclampsia, Small for gestational age, Endothelin-1, Umbilical vein, Endothelial cel


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