Recently, a common genetic variant E756del in the human gene PIEZO1 was associated with protection from severe malaria. Here, we performed a genetic association study of this gain-of-function variant in a large case-control study including 4149 children from the Ashanti Region in Ghana, West Africa. The statistical analysis did not indicate an association with protection from severe malaria and, thus, providing evidence against a strong protective effect of the PIEZO1 E756del variant on severe malaria susceptibility.
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http://dx.doi.org/10.1038/s10038-021-00958-2 | DOI Listing |
Background: Under-5 children have been known to bear a significant burden of malaria in endemic countries. Though significant progress has been made towards malaria prevention and control in Nigeria, it is expected that the addition of new malaria prevention strategy, such as perennial malaria chemoprevention (PMC) can contribute to a more rapid decline in malaria cases. This study aimed to determine the prevalence and factors associated with malaria and anaemia among children aged 2-18 months in Osun State.
View Article and Find Full Text PDFPLoS Pathog
January 2025
Sorbonne Université, CNRS, Inserm, Centre d'Immunologie et des Maladies Infectieuses, CIMI, Paris, France.
Placental malaria is characterized by the massive accumulation and sequestration of infected erythrocytes in the placental intervillous blood spaces, causing severe birth outcomes. The variant surface antigen VAR2CSA is associated with Plasmodium falciparum sequestration in the placenta via its capacity to adhere to chondroitin sulfate A. We have previously shown that the extracellular region of VAR2CSA is phosphorylated on several residues and that the phosphorylation enhances the adhesive properties of CSA-binding infected erythrocytes.
View Article and Find Full Text PDFUndernutrition has been identified as a significant public health challenge in developing nations like Tanzania. Severe childhood undernutrition is a life-threatening problem that can result in impaired growth, weakened immune systems, and even death. The primary aim of this study was to identify the prevalence of multiple forms of severe undernutrition and factors associated with the severity of childhood undernutrition in children aged 6-59 months in Tanzania.
View Article and Find Full Text PDFCureus
December 2024
Internal Medicine, Dow University of Health Sciences, Civil Hospital Karachi, Karachi, PAK.
Malaria is highly prevalent in West and Central Africa. In the United States, most reported cases are due to immigration from endemic regions. Severe malaria caused by Plasmodium ovale is rare.
View Article and Find Full Text PDFExp Parasitol
January 2025
Department of Medical Zoology, School of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea; Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Core Research Institute (CRI), Kyung Hee University, Seoul, 02447, Republic of Korea. Electronic address:
Toxoplasmosis is a parasitic disease affecting a significant portion of the global population, whose etiology can be attributed to the protozoan organism Toxoplasma gondii. Despite its public health importance, an efficacious vaccine to prevent human toxoplasmosis remains unavailable. To this end, we designed an experimental toxoplasmosis vaccine using recombinant vaccinia virus vectors (rVacv) expressing the T.
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