alexa Genetic resistance to malaria, oxidative stress and hemoglobin oxidation.
Infectious Diseases

Infectious Diseases

Malaria Control & Elimination

Author(s): Destro Bisol G

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Abstract I describe a model which posits the molecular basis of some malaria-resistance genes in the interaction between oxidized hemoglobin and membrane components. The model is supported by a considerable body of evidence which indicates that erythrocytes of genetically protected individuals (carriers of sickle cell trait, alpha- and beta-thalassemia, and G6PD deficiency) are susceptible to the increase of oxidation of hemoglobin following H2O2 release in the host cell by Plasmodium falciparum. I suggest that the irreversible interaction between oxidized hemoglobin and the red cell membrane could trigger mechanisms that: (i) reduce invasion of erythrocytes by the falciparum parasite; (ii) impair parasite survival and development within the cell; (iii) accelerate infected erythrocyte clearance by phagocytosis.
This article was published in Parassitologia and referenced in Malaria Control & Elimination

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