Publication: Immunohistological characterization of macrophage migration inhibitory factor expression in Plasmodium falciparum-infected placentas
Issued Date
2005-06-01
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ISSN
00199567
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2-s2.0-21144478619
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Mahidol University
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SCOPUS
Bibliographic Citation
Infection and Immunity. Vol.73, No.6 (2005), 3287-3293
Suggested Citation
Sujittra Chaisavaneeyakorn, Naomi Lucchi, Carlos Abramowsky, Caroline Othoro, Sansanee C. Chaiyaroj, Ya Ping Shi, Bernard L. Nahlen, David S. Peterson, Julie M. Moore, Venkatachalam Udhayakumar Immunohistological characterization of macrophage migration inhibitory factor expression in Plasmodium falciparum-infected placentas. Infection and Immunity. Vol.73, No.6 (2005), 3287-3293. doi:10.1128/IAI.73.6.3287-3293.2005 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/16585
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Title
Immunohistological characterization of macrophage migration inhibitory factor expression in Plasmodium falciparum-infected placentas
Abstract
Previously, we have shown that macrophage migration inhibitory factor (MIF) was highly elevated in the placental intervillous blood (IVB) of Plasmodium falciparum-infected women. Here, we compared the expression of MIF in placental tissues obtained from P. falciparum-infected and -uninfected women. Immunoperoxidase staining showed a consistent pattern of MIF expression in syncytiotrophoblasts, extravillous trophoblasts, IVB mononuclear cells, and amniotic epithelial cells, irrespective of their malaria infection status. Cytotrophoblast, villous stroma, and Hofbauer cells showed focal staining. Only amniotic epithelial and IVB mononuclear cells from P. falciparum-infected placentas exhibited significantly higher level of MIF expression than uninfected placentas. Stimulation of syncytilized human trophoblast BeWo cells with P. falciparum-infected erythrocytes that were selected to bind these cells resulted in significant increases in MIF secretion, whereas control erythrocytes, lipopolysaccharides, and synthetic β-hematin had minimal effect. These findings suggest that placental malaria modulates MIF expression in different placental compartments. Copyright © 2005, American Society for Microbiology. All Rights Reserved.