Brain cells that control appetite and nausea

Defining roles for area postrema neuron cell types in food intake and nausea

NIH-funded research University of Michigan at Ann Arbor · NIH-11261629

This work looks at specific brain cell types that drive eating and nausea to help people with obesity and related diabetes risks.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor NIH-funded
Lab location1 site (Ann Arbor, United States)
Project IDNIH-11261629 on NIH RePORTER

What this research studies

Researchers will map distinct neuron types in the area postrema, a brain region that senses nutrients and toxins. They will profile which genes each cell type expresses and test how those cells respond to appetite-related hormones such as amylin, GLP-1, and GDF15. Laboratory experiments will determine which neurons promote non-aversive fullness versus which drive aversive loss of appetite and nausea. The goal is to identify targets that could allow weight-loss treatments without the limiting side effect of nausea.

Who could benefit from this research

Good fit: Adults with obesity or type 2 diabetes, especially those who experience nausea from current weight-loss medications, are the likely long-term beneficiaries of this research.

Not a fit: People without excess weight or those seeking an immediate treatment today are unlikely to benefit directly from this preclinical research in the short term.

Why it matters

Potential benefit: Could lead to new weight-loss therapies that reduce appetite without causing nausea, improving treatment options for people with obesity and type 2 diabetes.

How similar studies have performed: Related drugs like GLP-1 and amylin analogs have produced meaningful weight loss but often cause nausea, while detailed cell-type mapping in the area postrema is a newer approach with limited prior clinical translation.

Where this research is happening

Ann Arbor, 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.
Conditions Adult-Onset Diabetes Mellitus
Last reviewed 2026-06-09 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.