How light affects the body's internal clock and physiology

Signal Generation and Processing in the Retinohypothalamic Pathway

NIH-funded research Boston Children's Hospital · NIH-11080891

This study is looking at how light affects our body's internal clock, which helps control things like sleep and mood, by focusing on special cells in the eye that sense light and send signals to the brain; it's for anyone interested in how changes in light exposure might impact health and daily life.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBoston Children's Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11080891 on NIH RePORTER

What this research studies

This research investigates how light influences the circadian clock in mammals, which helps regulate various physiological processes and gene expression. It focuses on specialized neurons in the eye that detect light using a molecule called melanopsin and how this information is transmitted to the brain's suprachiasmatic nucleus via the retinohypothalamic pathway. By employing innovative methods to study these neurons and their connections, the research aims to understand how the brain interprets light intensity and maintains synchronization with the day/night cycle. This could provide insights into how disruptions in light exposure affect health and behavior.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals experiencing circadian rhythm disorders or related health issues.

Not a fit: Patients with stable circadian rhythms and no related health concerns may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for conditions related to circadian rhythm disruptions, such as sleep disorders and mood disorders.

How similar studies have performed: Previous research has shown promising results in understanding circadian rhythms and their impact on health, indicating that this approach has potential for significant findings.

Where this research is happening

Boston, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.