Document Detail

Zinc and pregnancy: Marked changes on the immune response following zinc therapy for pregnant females challenged with Trypanosoma cruzi.
MedLine Citation:
PMID:  23154185     Owner:  NLM     Status:  Publisher    
BACKGROUND & AIMS: The occurrence of infectious disease processes during pregnancy has significant effects on maternal health and can lead to adverse pregnancy outcomes. The aim of the present study was to examine the potential role of zinc treatment during Trypanosoma cruzi infection in pregnant animals. METHODS: Female Wistar rats weighing 180-200 g were used in all experiments. Production of nitric oxide, peritoneal macrophages counts, and concentrations of IFN-γ and TNF-α were measured, and the potential protective effects of zinc on fetal development were assessed at 14-day post-infection. RESULTS: Nitric oxide concentrations were higher in pregnant zinc-treated animals than in their untreated counterparts, despite similar levels of the macrophages, IFN-γ and TNF-α. Zinc therapy was associated with a significant reduction in parasitemia and cardiac parasite burden. Higher placental and birth weights were observed in animals given prenatal zinc supplementation compared to untreated animals. CONCLUSIONS: These data confirm the critical importance of adequate zinc intake during the peri-conceptional period and indicate that zinc has an effective role in preventing adverse outcomes of pregnancy and reducing the risk of common infections such as Chagas' disease.
Cássia Mariana Bronzon da Costa; Vânia Brazão; Christian Collins Kuehn; Luiz Gustavo Rodrigues Oliveira; José Clóvis do Prado Júnior; Miguel Angel Sala; Ana Amélia Carraro Abrahão
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-29
Journal Detail:
Title:  Clinical nutrition (Edinburgh, Scotland)     Volume:  -     ISSN:  1532-1983     ISO Abbreviation:  Clin Nutr     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309603     Medline TA:  Clin Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.
Laboratório de Parasitologia, Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto FCFRP-USP, Universidade de São Paulo, Avenida do Café s/n°, 14040-903 Ribeirão Preto, SP, Brazil.
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