NDLI: Lack of an Association between Antibodies to Plasmodium falciparum Glycosylphosphatidylinositols and Malaria-Associated Placental Changes in Cameroonian Women with Preterm and Full-Term Deliveries

Content Provider	PubMed Central
Author	Suguitan, Amorsolo L. Gowda, D. Channe Fouda, Genevieve Lucy, Thuita Zhou, Ainong Rosine, Djokam Simon, Metenou Leke, Rose G. F. Taylor, Diane Wallace
Copyright Year	2004
Abstract	Sequestration of Plasmodium falciparum parasites within the placenta often leads to an accumulation of macrophages within the intervillous space and increased production of tumor necrosis factor alpha (TNF-α), a cytokine associated with placental pathology and poor pregnancy outcomes. P. falciparum glycosylphosphatidylinositol (GPI) anchors have been shown to be the major parasite component that induces TNF-α production by monocytes and macrophages. Antibodies against P. falciparum GPI (anti-PfGPI), however, can inhibit the induction of TNF-α and inflammation. Thus, the study was undertaken to determine whether anti-PfGPI antibodies down-regulate inflammatory-type changes in the placentas of women with malaria. Anti-PfGPI immunoglobulin M (IgM) and IgG levels were measured in 380 pregnant women with or without placental malaria, including those who delivered prematurely and at term. Results showed that anti-PfGPI antibody levels increased with gravidity and age and that malaria infection boosted anti-PfGPI antibodies in pregnant women. However, no association was found between anti-PfGPI antibodies and placental TNF-α levels or the presence of acute or chronic placental malaria. Furthermore, anti-PfGPI antibody levels were similar in women with preterm and full-term deliveries and were not associated with an increase in infant birth weight. Thus, these results fail to support a strong role for anti-PfGPI antibodies in the prevention of chronic placental malaria infections and malaria-associated poor birth outcomes.
Related Links	http://dx.doi.org/10.1128/iai.72.9.5267-5273.2004
Ending Page	5273
Page Count	7
Starting Page	5267
File Format	PDF
ISSN	00199567
e-ISSN	10985522
Journal	Infection and Immunity
Issue Number	9
Volume Number	72
Language	English
Publisher	American Society for Microbiology
Publisher Date	2004-09-01
Access Restriction	Open
Rights Holder	American Society for Microbiology
Subject Keyword	Immunology Microbiology Parasitology Infectious Diseases Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Parasitology Immunology Microbiology

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