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human plasma

Human plasma plasminogen internalization route in Plasmodium falciparum-infected erythrocytes

August 27, 2020 - 08:13 -- Open Access
Sarah El Chamy Maluf, Marcelo Yudi Icimoto, Pollyana Maria Saud Melo, Alexandre Budu, Rita Coimbra, Marcos Leoni Gazarini and Adriana Karaoglanovic Carmona
Malaria Journal 2020 19:302, 26 August 2020

The intra-erythrocytic development of the malaria parasite Plasmodium falciparum depends on the uptake of a number of essential nutrients from the host cell and blood plasma. It is widely recognized that the parasite imports low molecular weight solutes from the plasma and the consumption of these nutrients by P. falciparum has been extensively analysed. However, although it was already shown that the parasite also imports functional proteins from the vertebrate host, the internalization route through the different infected erythrocyte membranes has not yet been elucidated. In order to further understand the uptake mechanism, the study examined the trafficking of human plasminogen from the extracellular medium into P. falciparum-infected red blood cells.

Determination of piperaquine concentration in human plasma and the correlation of capillary versus venous plasma concentrations

June 1, 2020 - 16:33 -- Open Access
Mwebaza N, Cheah V, Forsman C, Kajubi R, Marzan F, Wallender E, Dorsey G, Rosenthal PJ, Aweeka F, Huang L
PLoS ONE 15(5): e0233893

A considerable challenge in quantification of the antimalarial piperaquine in plasma is carryover of analyte signal between assays. Current intensive pharmacokinetic studies often rely on the merging of venous and capillary sampling. Drug levels in capillary plasma may be different from those in venous plasma, Thus, correlation between capillary and venous drug levels needs to be established.

Comprehensive proteomics investigation of P. vivax-infected human plasma and parasite isolates

March 9, 2020 - 14:20 -- Open Access
Venkatesh A, Aggarwal S, Kumar S, Rajyaguru S, Kumar V, Bankar S, Shastri J, Patankar S, Srivastava S
BMC Infect Dis. 2020 Mar 2;20(1):188

In recent times, Plasmodium vivax (P. vivax) has become a serious threat to public health due to its ability to cause severe infection with fatal outcomes. Its unique biology makes it resilient to control measures that are otherwise effective against P. falciparum. A deeper understanding of P. vivax biology and pathogenesis is, therefore, essential for developing the right control strategies. 

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