Scientists from the Southwest Research Institute (SwRI), in collaboration with Harvard T.H. Chan School of Public Health and Oregon Health & Science University, have developed two groundbreaking bed net prototypes designed to combat malaria-causing parasites. Published in Nature, the study introduces nets infused with antimalarial drugs that target Plasmodium parasites within mosquitoes, offering a potential solution to growing insecticide resistance.
The team created two types of nets: one coated with a solution of Endochin-like Quinolones (ELQs) and another woven from high-density polyethylene filaments blended with ELQs. When mosquitoes contact the nets, the drugs are absorbed through their legs, effectively killing the parasites before transmission. This approach addresses the critical issue of resistance to traditional insecticides and larvicides.
Dr. Mike Rubal of SwRI emphasized the novelty of the method: “This disarms the mosquito at the source, unlike existing nets that merely repel or kill the insect.” The nets were tested for efficacy in the Catteruccia lab at Harvard, with promising results.
Malaria remains a global health crisis, with 263 million cases and 600,000 deaths reported in 2023. Vulnerable populations, particularly children in tropical regions, bear the brunt of the disease. Dr. Flaminia Catteruccia of Harvard highlighted the urgency: “Innovative tools like these nets could transform malaria control by disrupting transmission cycles.”
- “By using two different ELQs, we reduce the risk of resistance—a major hurdle in malaria eradication,” said Dr. Michael Riscoe of OHSU.
The study marks a significant step toward curbing malaria’s toll by targeting parasites directly within mosquitoes. Further research will explore scalability and real-world deployment, offering hope for reducing the disease’s devastating impact, especially in high-risk regions like Africa.
Add comment