Royero-Bermeo Wendy Yulieth, Sánchez-Jiménez Miryan Margot, Ospina-Villa Juan David
Instituto Colombiano de Medicina Tropical, Universidad CES, Carrera 43A 52 S-99, Sabaneta, Antioquia, 055450, Colombia.
Biol Methods Protoc. 2025 Mar 27;10(1):bpaf025. doi: 10.1093/biomethods/bpaf025. eCollection 2025.
Malaria, caused by spp. parasites (, P, , , and ), remains a significant global health challenge, with 263 million cases and 567 000 deaths reported in 2023. Diagnosis in endemic regions relies on clinical symptoms, microscopy, and rapid diagnostic tests. Although widely used, microscopy suffers from variability in sensitivity due to operator expertise and low parasitemia. Rapid diagnostic tests, which are favored for their simplicity and speed, show high sensitivity for but reduced accuracy (80%) for , which is attributed to deletions in histidine-rich protein 2/3 proteins caused by gene mutations. Innovative diagnostic and therapeutic technologies, such as aptamers, are gaining attention. Aptamers are single-stranded oligonucleotides that bind specifically to target molecules with high affinity. They have shown promise in disease diagnosis, therapeutics, and environmental monitoring. In malaria, aptamers are being explored as highly sensitive and specific diagnostic tools capable of detecting proteins across all infection stages. Additionally, they offer potential for novel therapeutic strategies, enhancing disease control and treatment options. These advancements highlight the use of aptamers as versatile and innovative approaches for addressing malaria and other infectious diseases. A comprehensive literature search was conducted in the PubMed, ScienceDirect, and SCOPUS databases via the keywords "Aptamers" AND "Malaria" AND "Aptamers" AND "Plasmodium." Additionally, patent searches were carried out in the LENS, WIPO, and LATIPAT databases via the same search terms. In total, 88 relevant articles were selected for this review, providing a comprehensive and evidence-based foundation to discuss emerging aptamer technologies for malaria diagnosis and treatment. The proteins commonly employed in rapid malaria diagnostic tests, such as histidine-rich protein 2, lactate dehydrogenase, and prostaglandin dehydrogenase, are highlighted. However, the identification of new targets, such as HMIGB1 and DRX1 (1-deoxy-d-xylulose-5-phosphate reductoisomerase), and the detection of whole cells have also been emphasized.
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