How age-related immune changes affect belly fat and insulin resistance

Inflammation and insulin resistance in aging

['FUNDING_R01'] · BAYLOR COLLEGE OF MEDICINE · NIH-11241964

Researchers are exploring whether changes in specific immune cells that come with middle age make belly fat burn less energy and lead to insulin resistance.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorBAYLOR COLLEGE OF MEDICINE (nih funded)
Locations1 site (HOUSTON, UNITED STATES)
Trial IDNIH-11241964 on ClinicalTrials.gov

What this research studies

This project uses mouse models and cell experiments to study how conventional T cells and regulatory T cells in fat tissue change with middle age and affect “browning” of white fat. Pilot work showed regulatory T cells increase but become dysfunctional with age while conventional T cells rise and block fat browning via cell contact and secreted signals. The team will probe molecular drivers such as STAT1 and manipulate immune cell populations to see how these changes alter fat metabolism and whole-body insulin sensitivity. The goal is to identify immune-related mechanisms that could be targeted to restore healthier fat function in aging.

Who could benefit from this research

Good fit: Middle-aged adults with increased visceral (belly) fat or early insulin resistance would be the most relevant group for future patient studies.

Not a fit: Young healthy people without metabolic problems or individuals with autoimmune type 1 diabetes are unlikely to benefit from findings specific to age-related fat inflammation.

Why it matters

Potential benefit: If successful, this work could point to new immune-targeted treatments to reduce age-related belly fat and improve insulin sensitivity.

How similar studies have performed: Prior animal studies have shown immune cells can change fat inflammation and metabolism, but the specific regulatory T cell dysfunction pattern in aging and its impact on fat browning is a newer finding.

Where this research is happening

HOUSTON, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.