How cancer cells release proteins that help tumors spread

Novel molecular mechanism for extracellular release of proteins implicated in metastatic cancer

NIH-funded research Saint Louis University · NIH-11133044

This project is learning how tumor cells send out certain proteins that help cancer move to other parts of the body, with the goal of helping people with metastatic cancer.

Quick facts

Grant typeR37 grant
Study typeNIH-funded research
Funding institutionSaint Louis University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11133044 on NIH RePORTER

What this research studies

From a patient's perspective, researchers are working in the lab to understand how cancer cells push important proteins out into the space around them, especially under low-oxygen and acidic conditions found in aggressive tumors. They will study the shapes and membrane interactions of these proteins and how acidity and membrane curvature control their release, using cell models and advanced imaging and biophysical tools. The team plans to map the molecular steps that let these proteins cross membranes without the usual cellular shipping routes. Those discoveries could point to ways to block this release in tumors.

Who could benefit from this research

Good fit: People with metastatic solid tumors or cancers known to have hypoxic (low-oxygen) tumor regions would be most likely to benefit from downstream therapies or future related trials.

Not a fit: Patients without cancer or with early-stage cancers unlikely to rely on these stress-driven pathways would probably not see direct benefit from this work in the near term.

Why it matters

Potential benefit: If successful, this work could reveal new targets to slow or stop cancer spread by preventing tumor cells from releasing proteins that promote metastasis.

How similar studies have performed: Basic lab studies support the existence of unconventional protein release in tumors, but translating these findings into treatments is still new and largely untested.

Where this research is happening

Saint Louis, 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.