Document Detail

Status of cis and trans Fatty Acids in Brazilian Adolescent Mothers and Their Newborns.
MedLine Citation:
PMID:  22840939     Owner:  NLM     Status:  In-Data-Review    
STUDY OBJECTIVE: The objective was to quantify cis and trans fatty acids in maternal plasma and infant cord plasma from adolescent mothers.
DESIGN: From 80 adolescent healthy mothers, we sampled postpartum maternal blood and umbilical cord blood at birth. Trans fatty acids (tFAs), linoleic (18:2), and arachidonic (AA, 20:4) acids of the n-6 family, and α-linolenic (18:3), eicosapentaenoic (20:5) and docosahexaenoic (22:6) acids of the n-3 family were analyzed by gas-liquid chromatography. Results were expressed as a percentage of total fatty acids.
RESULTS: Linoleic fatty acid was present in greater proportions in the maternal plasma than in that of the umbilical cord, whereas AA was present in greater proportions in the total lipids of umbilical cord blood. Docosahexaenoic acid was the long-chain polyunsaturated fatty acid of the n-3 family that was predominant in both maternal and umbilical cord plasma. The tFAs in the maternal plasma had a negative correlation with oleic acid and linoleic acid. Linolenic acid had a positive correlation with cephalic perimeter upon birth. A tendency for a negative correlation between trans isomers and gestational age at birth (P = .05) was observed.
CONCLUSIONS: Long-chain polyunsaturated fatty acids, which are important to fetal growth and development, were found in greater quantities in the cord blood of newborns of adolescents than in the maternal blood, indicating a priority of transfer of AA and docosahexaenoic fatty acids to the fetus. Despite the lower levels of tFAs found in maternal blood, we verified potential risk for premature birth.
F S Santos; C R M Chaves; R S S Costa; O R C Oliveira; M G Santana; F D Conceição; F L C Sardinha; G V Veiga; M G Tavares do Carmo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of pediatric and adolescent gynecology     Volume:  25     ISSN:  1873-4332     ISO Abbreviation:  J Pediatr Adolesc Gynecol     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-07-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9610774     Medline TA:  J Pediatr Adolesc Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  270-6     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 North American Society for Pediatric and Adolescent Gynecology. Published by Elsevier Inc. All rights reserved.
Laboratório de Bioquímica Nutricional, Instituto de Nutrição Josué de Castro da Universidade Federal do Rio de Janeiro, RJ, Brazil.
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