» Articles » PMID: 22355214

Expression of Exogenous Human Hepatic Nuclear Factor-1α by a Lentiviral Vector and Its Interactions with Plasmodium Falciparum Subtilisin-like Protease 2

Overview
Specialty Parasitology
Date 2012 Feb 23
PMID 22355214
Authors
Affiliations
Soon will be listed here.
Abstract

The onset, severity, and ultimate outcome of malaria infection are influenced by parasite-expressed virulence factors as well as by individual host responses to these determinants. In both humans and mice, liver injury follows parasite entry, persisting to the erythrocytic stage in the case of infection with the fatal strain of Plasmodium falciparum. Hepatic nuclear factor (HNF)-1α is a master regulator of not only the liver damage and adaptive responses but also diverse metabolic functions. In this study, we analyzed the expression of host HNF-1α in relation to malaria infection and evaluated its interaction with the 5'-untranslated region of subtilisin-like protease 2 (subtilase, Sub2). Recombinant human HNF-1α expressed by a lentiviral vector (LV HNF-1α) was introduced into mice. Interestingly, differences in the activity of the 5'-untranslated region of the Pf-Sub2 promoter were detected in 293T cells, and LV HNF-1α was observed to influence promoter activity, suggesting that host HNF-1α interacts with the Sub2 gene.

References
1.
Wykes M, Liu X, Beattie L, Stanisic D, Stacey K, Smyth M . Plasmodium strain determines dendritic cell function essential for survival from malaria. PLoS Pathog. 2007; 3(7):e96. PMC: 1904473. DOI: 10.1371/journal.ppat.0030096. View

2.
Griffith J, OConnor C, Bernard K, Town T, Goldstein D, Bucala R . Toll-like receptor modulation of murine cerebral malaria is dependent on the genetic background of the host. J Infect Dis. 2007; 196(10):1553-64. DOI: 10.1086/522865. View

3.
Soutoglou E, Papafotiou G, Katrakili N, Talianidis I . Transcriptional activation by hepatocyte nuclear factor-1 requires synergism between multiple coactivator proteins. J Biol Chem. 2000; 275(17):12515-20. DOI: 10.1074/jbc.275.17.12515. View

4.
Fortin A, Stevenson M, Gros P . Complex genetic control of susceptibility to malaria in mice. Genes Immun. 2002; 3(4):177-86. DOI: 10.1038/sj.gene.6363841. View

5.
Myrick A, Munasinghe A, Patankar S, Wirth D . Mapping of the Plasmodium falciparum multidrug resistance gene 5'-upstream region, and evidence of induction of transcript levels by antimalarial drugs in chloroquine sensitive parasites. Mol Microbiol. 2003; 49(3):671-83. DOI: 10.1046/j.1365-2958.2003.03597.x. View