SCIENCE

The Hidden Role of a Mosquito's Hormone Receptor

Sun Apr 27 2025
The adipokinetic hormone receptor is a key player in the metabolism of amino acids, carbohydrates, and fats. This receptor is particularly abundant in the reproductive organs of mosquitoes. The exact role of this receptor in the reproductive process of mosquitoes and the mechanisms involved are not fully understood. However, it is known that this receptor is highly active in the ovaries and fat body of adult female mosquitoes. The AKH receptor gene, when silenced, leads to several anti-reproductive effects. These effects include abnormal ovarian development, a reduction in the number of follicles, and a decrease in the number of eggs laid. During the vitellogenesis phase, there is also a reduction in yolk accumulation and iron deposition in the ovaries. This is accompanied by a decrease in the expression levels of the vitellogenin-A1 precursor gene and the transferrin gene. Research has shown that when the AKH receptor gene is knocked down, there is a decrease in the levels of L-homoserine and serotonin. Supplementing these two metabolites can partly rescue the anti-reproductive phenotype and increase the expression of the vitellogenin-A1 precursor gene and the transferrin gene in mosquitoes with the AKH receptor gene knocked down. This suggests that these metabolites play a crucial role in the reproductive process of mosquitoes. Relugolix, an inhibitor of the AKH receptor, also affects egg production in mosquitoes. This provides evidence for the function and potential mechanism of the AKH receptor during female mosquito reproduction. This could potentially offer an alternative method to control mosquito populations. However, it is important to note that more research is needed to fully understand the role of the AKH receptor in mosquito reproduction and to develop effective control methods. The findings suggest that the AKH receptor plays a significant role in the reproductive process of mosquitoes. However, the exact mechanisms involved are still not fully understood. More research is needed to fully understand the role of the AKH receptor in mosquito reproduction and to develop effective control methods. It is also important to consider the potential impact of these methods on the environment and other species.

questions

    Are pharmaceutical companies funding this research to create new mosquito-related products?
    What are the potential off-target effects of using Relugolix or similar inhibitors in mosquito populations?
    Could mosquitoes be using AKH receptors to plan their next big mosquito party and we are ruining it?

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