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2018 | 72 | 134-140
Article title

Homocysteine remethylation pathway in neonates with congenital heart disease and neural tube defects

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PL
Szlak remetylacji homocysteiny u noworodków z wrodzonymi wadami serca i wadami cewy nerwowej
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Abstracts
EN
INTRODUCTION: The etiology of congenital heart defects (CHD) and neural tube defects (NTD) remain unknown, however, the relation between homocysteine and folate levels and congenital anomalies were found. With this perspective in mind, the aim of the study was to investigate serum biomarkers of the homocysteine metabolism pathway in neonates with CHD, newborns with NTD and their mothers. MATERIALS AND METHODS: Twenty-one pairs of mothers and their neonates with CHD as well as 18 pairs of mothers and neonates with NTD were enrolled in the study. The control group consisted of 54 pairs of mothers and their healthy neonates. To estimate the total homocysteine, serum folic acid and vitamin B12 levels in plasma, mothers’ venous blood samples and umbilical cord blood were taken in the all groups. RESULTS: There were significantly higher tHcy levels in the newborns with CHD compared to their mothers. The total homocysteine levels in the CHD neonates were noticeably different compared to the neonates with NTD and to the controls. The vitamin B12 levels were similar in all the investigated neonates. Significantly lower umbilical folic acid levels in the NTD and CHD groups as compared to the controls were noticed. CONCLUSIONS: The observed differences in concentrations of homocysteine, folic acid and cobalamin between neonates with congenital heart and neural tube defects suggest the influence of various agents disturbing the homo-cysteine metabolic pathways in those children.
PL
WSTĘP: Etiologia wrodzonych wad serca (WWS) oraz wad cewy nerwowej (WCN) jest niewyjaśniona, wykazano jednak związek między stężeniem homocysteiny oraz kwasu foliowego a występowaniem wrodzonych anomalii. Celem pracy była ocena stężenia biochemicznych markerów szlaku metabolizmu homocysteiny u noworodków z WWS oraz WCN i ich matek. MATERIAŁ I METODY: Badaniem objęto 47 par – matka i jej noworodek urodzony z WWS (n = 29) i WCN (n = 18). Grupę kontrolną (GK) stanowiły 54 pary matek i ich zdrowe dzieci. Próbki krwi matki i krwi pępowinowej pobierano w celu oznaczenia stężenia tHcy, kwasu foliowego i witaminy B12. WYNIKI: Stężenie tHcy u noworodków z WWS było znamiennie wyższe niż u ich matek oraz u dzieci z WCN. Stężenie tHcy u noworodków z WCN było znamiennie wyższe niż w grupie kontrolnej. Stężenia witaminy B12 były podobne u wszystkich badanych noworodków w porównaniu z wartościami stwierdzonymi u ich matek. U noworodków z WCN i WWS stężenie kwasu foliowego w krwi pępowinowej było znamiennie niższe niż u dzieci z grupy kontrolnej. WNIOSKI: Zaobserwowane różnice w stężeniu homocysteiny i kwasu foliowego między noworodkami z wrodzonymi wadami serca i wadami cewy nerwowej sugerują obecność dodatkowych czynników zaburzających szlaki metaboliczne homocysteiny u tych dzieci.
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Year
Issue
72
Pages
134-140
Physical description
Contributors
author
  • Department of Neonatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland, piotrek.surmiak@gmail.com
  • Department of Neonatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
  • Department of Neonatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
  • Department of Neonatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
author
  • Department of Gynaecology and Obstetrics, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
References
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Document Type
article
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YADDA identifier
bwmeta1.element.psjd-0472e8de-756a-4cf5-9741-f34ebe00835a
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