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Severe oxidative stress in sickle cell disease patients with uncomplicated Plasmodium falciparum malaria in Kampala, Uganda.

Abstract：

BACKGROUND:Oxidative stress plays a vital role in the pathogenesis of both Sickle Cell Disease (SCD) and Plasmodium falciparum malaria. However, there are limited studies on the effect of P. falciparum malaria infection on oxidative stress in SCD patients. METHODS:A cross-sectional study was undertaken to compare levels of biomarkers of oxidative stress in isolates from SCD patients with uncomplicated P.falciparum malaria. The biomarkers namely: malondialdehyde (MDA), reduced glutathione (GSH), catalase (CAT) and glutathione peroxidase (GPx) were determined in plasma samples from SCD malaria positive, malaria positive, SCD malaria negative and healthy control participants. The genetic diversity of P.falciparum was determined by nested polymerase chain reaction of merozoite surface protein-2 (MSP-2) gene. RESULTS:Out of 207 participants, 54 (26%) were SCD malaria positive, 51 (24%) malaria positive, 51 (24%) SCD controls and 51 (24%) healthy control individuals. The mean concentration of MDA was significantly higher in SCD malaria positive than SCD controls (P < 0.0001). In contrast, the mean concentration of GSH (P < 0.0001) and GPx (P < 0.0001) were significantly lower in SCD malaria than SCD controls. Although not significantly different, the mean concentration of MDA was higher (P = 0.0478), but the geometric mean parasite density (P = 0.2430) and multiplicity of infection (P = 0.3478) were lower in SCD malaria samples than in malaria samples. The most prevalent MSP2 allelic family was IC3D7 in SCD malaria (72%) and Malaria (76%) samples. The biomarkers of oxidative stress were not significantly different between IC3D7 and FC27 allelic families of MSP2. CONCLUSION:We identified severe oxidative stress in Sickle cell disease patients with uncomplicated P.falciparum malaria.

journal_name

BMC Infect Dis

journal_title

BMC infectious diseases

authors

Atiku SM,Louise N,Kasozi DM

doi

10.1186/s12879-019-4221-y

subject

Has Abstract

pub_date

2019-07-09 00:00:00

pages

600

issue

issn

1471-2334

pii

10.1186/s12879-019-4221-y

journal_volume

pub_type

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Severe oxidative stress in sickle cell disease patients with uncomplicated Plasmodium falciparum malaria in Kampala, Uganda.