How scrub typhus bacteria use ankyrin proteins to affect the body

Orientia tsutsugamushi Ank-host interactions in scrub typhus pathogenesis

NIH-funded research Virginia Commonwealth University · NIH-11266224

Researchers are learning how the scrub typhus germ uses ankyrin proteins to block immune defenses in people infected with scrub typhus.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVirginia Commonwealth University NIH-funded
Lab location1 site (Richmond, United States)
Project IDNIH-11266224 on NIH RePORTER

What this research studies

This project looks at special bacterial proteins called Anks that Orientia tsutsugamushi uses during infection. Scientists will study how these Anks interact with human immune proteins, especially parts of the NF-κB pathway that control inflammation. Work uses lab-grown human cells and molecular tests to see which Anks bind immune factors and change their stability or activity. The team will map which bacterial proteins interfere with immune signals and how that helps the bacterium survive.

Who could benefit from this research

Good fit: People who have had or currently have scrub typhus, or who live in areas where scrub typhus is common and are willing to donate samples, would be most relevant to this work.

Not a fit: People without scrub typhus or without risk of exposure are unlikely to gain direct benefit from this basic laboratory research in the short term.

Why it matters

Potential benefit: If successful, this work could point to new ways to stop the bacterium from evading immunity and lead to better treatments or preventive strategies for scrub typhus.

How similar studies have performed: Prior laboratory studies have shown some bacterial ankyrin proteins can block immune signaling, but translating those findings into treatments is still early and largely untested.

Where this research is happening

Richmond, 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.