Early syphilis detection by finding bacterial cell-wall fragments
Released peptidoglycan fragments are a biomarker for early stages of syphilis
A lab test that looks for pieces of the syphilis bacterium to find infections much sooner in people who may have been exposed.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Northwestern University NIH-funded |
| Lab location | 1 site (Chicago, United States) |
| Project ID | NIH-11145848 on NIH RePORTER |
What this research studies
The research team is developing a test that finds tiny fragments of the syphilis bacterium's cell wall (peptidoglycan) using a lab-made antibody. They grow Treponema pallidum in the lab and use those bacterial materials to create and refine the antibody that binds the fragments. The team will then apply the antibody to patient samples like blood or other clinical specimens to see if the fragments can be detected earlier than standard antibody tests. Over time they will compare samples from people with active infection, past treated infection, and those without syphilis to measure accuracy and timing.
Who could benefit from this research
Good fit: People with recent sexual exposure that could transmit syphilis or those with early signs or symptoms who want a faster, direct diagnostic test would be ideal candidates.
Not a fit: People without risk factors or symptoms for syphilis, or those with a past treated infection and no active disease, are unlikely to benefit.
Why it matters
Potential benefit: Could allow doctors to detect active syphilis much earlier than current antibody tests so treatment can begin sooner and transmission reduced.
How similar studies have performed: This approach is fairly novel—most current diagnostics detect the patient's immune response rather than bacterial fragments—though initial lab findings from this group are promising.
Where this research is happening
Chicago, United States
- Northwestern University — Chicago, United States (Active)
Researchers
- Principal investigator: Jutras, Brandon Lyon — Northwestern University
- Study coordinator: Jutras, Brandon Lyon
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.