Caveolins and flotillin-2 are present in the blood stages of Plasmodium vivax

Parasitology Research
Carmen BrachoHilda A Pérez

Abstract

Blood stages of Plasmodium vivax induce the development of caveolae and caveola-vesicle complexes (CVC) in the membrane of their host erythrocyte. Caveolae are found in almost all types of cells and are involved in endogenous processes as calcium and cholesterol homeostasis, cell signalling, transporting, ligand internalization and transcytosis of serum components. Major structural components of caveolae are the proteins caveolins and flotillins. The functional role of caveolae in the P. vivax-infected erythrocyte is not properly understood. As these organelles have been shown to contain malaria antigens, it has been suggested that they are involved in the transport and release of specific parasite antigens from the infected erythrocyte and in the uptake of plasma proteins. Using specific antibodies to classical caveolae proteins and an immunolocalization approach, we found caveolin-2, caveolin-3, and flotillin-2 in the vesicle profiles and some CVC of P. vivax-infected erythrocytes. Caveolin-1-3 were not found in uninfected erythrocytes. This is the first report of identification and localization of caveolins in the CVC present in erythrocytes infected with P. vivax, thereby providing evidence of the role of this particular or...Continue Reading

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Citations

Jul 6, 2010·Trends in Parasitology·Sejal GohilBrian M Cooke
Mar 10, 2007·Parasitology International·Wanderley de Souza
Dec 7, 2010·Biochimica Et Biophysica Acta·Iwona KuszczakAshok K Grover
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Nov 17, 2020·Frontiers in Cell and Developmental Biology·Maria DudãuMihail E Hinescu

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