Repellents against Aedes aegypti bites: synthetic and natural origins

Dengue fever, transmitted by mosquitoes of the Aedes genus, particularly Aedes aegypti, has emerged as a global health issue. With the expansion of this mosquito to new geographical areas, driven by factors such as climate change, the need for preventive measures like using insect repellents has bec...

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Main Authors: Melissa Noguera-Gahona, Cindy Peña-Moreno, Natalia Quiñones-Sobarzo, Caroline Weinstein-Oppenheimer, María Guerra-Zúñiga, Ximena Collao-Ferrada
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Insect Science
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Online Access:https://www.frontiersin.org/articles/10.3389/finsc.2024.1510857/full
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author Melissa Noguera-Gahona
Cindy Peña-Moreno
Natalia Quiñones-Sobarzo
Natalia Quiñones-Sobarzo
Caroline Weinstein-Oppenheimer
Caroline Weinstein-Oppenheimer
María Guerra-Zúñiga
Ximena Collao-Ferrada
Ximena Collao-Ferrada
author_facet Melissa Noguera-Gahona
Cindy Peña-Moreno
Natalia Quiñones-Sobarzo
Natalia Quiñones-Sobarzo
Caroline Weinstein-Oppenheimer
Caroline Weinstein-Oppenheimer
María Guerra-Zúñiga
Ximena Collao-Ferrada
Ximena Collao-Ferrada
author_sort Melissa Noguera-Gahona
collection DOAJ
description Dengue fever, transmitted by mosquitoes of the Aedes genus, particularly Aedes aegypti, has emerged as a global health issue. With the expansion of this mosquito to new geographical areas, driven by factors such as climate change, the need for preventive measures like using insect repellents has become critical. The present review explores the current state of the art on topical mosquito repellents, both synthetic and natural, used globally, especially in regions where dengue is endemic. Among synthetic repellents, DEET is the most widely used, supported by investigations demonstrating its efficacy and safety, although concerns about its toxicity exist in exceptional cases. Other compounds, such as picaridin, IR3535, and PMD are also common and offer alternatives with variable safety and efficacy profiles. Natural repellents, such as essential oils of citronella, lemon eucalyptus, and clove, have proven effective against Aedes aegypti. However, they present challenges due to rapid volatilization and the limited duration of their protective effect. To address these issues, combinations of essential oils and synthetic compounds have been proposed to improve efficacy and safety. Finally, the review highlights the complexity and the challenges of developing new repellents, including the high costs and lengthy timelines for commercialization, as well as the importance of continued research to improve the efficacy and safety of these products.
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spelling doaj-art-f65bcd5ef017483db8f35d192921d4c92025-01-22T13:53:46ZengFrontiers Media S.A.Frontiers in Insect Science2673-86002025-01-01410.3389/finsc.2024.15108571510857Repellents against Aedes aegypti bites: synthetic and natural originsMelissa Noguera-Gahona0Cindy Peña-Moreno1Natalia Quiñones-Sobarzo2Natalia Quiñones-Sobarzo3Caroline Weinstein-Oppenheimer4Caroline Weinstein-Oppenheimer5María Guerra-Zúñiga6Ximena Collao-Ferrada7Ximena Collao-Ferrada8Virología, Laboratorio Clínico, Facultad de Medicina, Universidad de Valparaíso, Viña del mar, ChileVirología, Laboratorio Clínico, Facultad de Medicina, Universidad de Valparaíso, Viña del mar, ChileFacultad de Farmacia, Universidad de Valparaíso, Valparaíso, ChileCentro de Investigación, Desarrollo e Innovación en Productos Bioactivos, Universidad de Valparaíso, Valparaíso, ChileFacultad de Farmacia, Universidad de Valparaíso, Valparaíso, ChileCentro de Investigación, Desarrollo e Innovación en Productos Bioactivos, Universidad de Valparaíso, Valparaíso, ChileDepartamento de Salud Pública, Facultad de Medicina, Universidad de Valparaíso, Viña del mar, ChileVirología, Laboratorio Clínico, Facultad de Medicina, Universidad de Valparaíso, Viña del mar, ChileCentro Interdisciplinario de Investigación Biomédica e Ingeniería para la salud, Universidad de Valparaíso, Viña del mar, ChileDengue fever, transmitted by mosquitoes of the Aedes genus, particularly Aedes aegypti, has emerged as a global health issue. With the expansion of this mosquito to new geographical areas, driven by factors such as climate change, the need for preventive measures like using insect repellents has become critical. The present review explores the current state of the art on topical mosquito repellents, both synthetic and natural, used globally, especially in regions where dengue is endemic. Among synthetic repellents, DEET is the most widely used, supported by investigations demonstrating its efficacy and safety, although concerns about its toxicity exist in exceptional cases. Other compounds, such as picaridin, IR3535, and PMD are also common and offer alternatives with variable safety and efficacy profiles. Natural repellents, such as essential oils of citronella, lemon eucalyptus, and clove, have proven effective against Aedes aegypti. However, they present challenges due to rapid volatilization and the limited duration of their protective effect. To address these issues, combinations of essential oils and synthetic compounds have been proposed to improve efficacy and safety. Finally, the review highlights the complexity and the challenges of developing new repellents, including the high costs and lengthy timelines for commercialization, as well as the importance of continued research to improve the efficacy and safety of these products.https://www.frontiersin.org/articles/10.3389/finsc.2024.1510857/fullrepellent activitysynthetic repellentsnatural repellentsarboviruses emergencedengue prevention strategy
spellingShingle Melissa Noguera-Gahona
Cindy Peña-Moreno
Natalia Quiñones-Sobarzo
Natalia Quiñones-Sobarzo
Caroline Weinstein-Oppenheimer
Caroline Weinstein-Oppenheimer
María Guerra-Zúñiga
Ximena Collao-Ferrada
Ximena Collao-Ferrada
Repellents against Aedes aegypti bites: synthetic and natural origins
Frontiers in Insect Science
repellent activity
synthetic repellents
natural repellents
arboviruses emergence
dengue prevention strategy
title Repellents against Aedes aegypti bites: synthetic and natural origins
title_full Repellents against Aedes aegypti bites: synthetic and natural origins
title_fullStr Repellents against Aedes aegypti bites: synthetic and natural origins
title_full_unstemmed Repellents against Aedes aegypti bites: synthetic and natural origins
title_short Repellents against Aedes aegypti bites: synthetic and natural origins
title_sort repellents against aedes aegypti bites synthetic and natural origins
topic repellent activity
synthetic repellents
natural repellents
arboviruses emergence
dengue prevention strategy
url https://www.frontiersin.org/articles/10.3389/finsc.2024.1510857/full
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