NIH-funded research R21 grant

Understanding how mosquitoes detect human odors

Official title: A New Genetic Expression System to Determine the Odor Tuning of Insect Vector Ionotropic Receptors Sensitive to Human-Derived Odorants

Funded at Johns Hopkins University · NIH-10726203 · Data updated 2026-11-12

This study is looking at how mosquitoes, especially the ones that spread diseases, use their sense of smell to find people by recognizing certain scents, and it aims to create a new way to study these smells using fruit flies, which could help us find better ways to keep mosquitoes away and reduce the spread of diseases.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionJohns Hopkins University
NIH-funded
Lab location1 site (Baltimore, United States)
Project startJuly 1, 2023
Project endJune 30, 2025
Funding year2023
Award (this year)$462,676
NIH project number1R21DC021267-01
Project IDNIH-10726203 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals living in areas where mosquito-borne diseases are prevalent, particularly those at risk of malaria.

Less likely to help

Patients who do not live in mosquito-prone areas or who are not at risk for mosquito-borne diseases may not benefit from this research.

What this research studies

This research investigates how mosquitoes, particularly the Anopheles species, use their sense of smell to locate humans by identifying specific human-derived odors. The study aims to develop a new genetic expression system using fruit flies to better understand the olfactory receptors in mosquitoes that respond to these odors. By creating a model that allows for the expression of mosquito receptors in a different organism, researchers hope to uncover the mechanisms behind mosquito attraction to humans. This could lead to new strategies for controlling mosquito-borne diseases.

Why it matters

Potential benefit: If successful, this research could lead to innovative methods for reducing mosquito bites and the transmission of diseases like malaria.

How similar studies have gone: Previous research has shown promise in understanding insect olfactory systems, but this specific approach using a genetic expression system in fruit flies is relatively novel.

Where this research is happening

  • Johns Hopkins University
    Baltimore, United States
    Active

Researchers

  • Principal investigator: Potter, Christopher John — Johns Hopkins University
  • Study coordinator: Potter, Christopher John

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.