Daijiworld Media Network- Florida
Florida, Aug 22: In what could become one of the most defining breakthroughs in medical science, researchers at the University of Florida have developed an experimental mRNA-based cancer vaccine that successfully wiped out tumors in mice, raising global hopes for a possible universal cancer treatment.
Unlike traditional vaccines that target specific tumor proteins, this novel approach instead supercharges the body’s immune system, making cancer cells highly vulnerable to attack. Early results indicate the vaccine could potentially work across multiple cancer types and even enhance the effectiveness of existing treatments such as immunotherapy.
The findings, published in Nature Biomedical Engineering, revealed that when the vaccine was combined with immune checkpoint inhibitors — a class of widely used cancer drugs — tumors responded with dramatic shrinkage. In some cases, the vaccine alone was able to eliminate cancers in skin, bone, and brain models.
“We achieved these results not by directly attacking a tumor marker, but by revving up the immune system itself,” explained Dr Elias Sayour, lead researcher and pediatric oncologist at UF Health. His team noted that the vaccine induced immune responses similar to those seen during viral infections, effectively “waking up” dormant T-cells and turning them into cancer-fighting agents.
Traditionally, cancer vaccines have followed two approaches — targeting proteins common to many cancers or customizing vaccines for individual patients. The Florida team’s discovery introduces a third pathway, one that could eventually deliver an “off-the-shelf” vaccine applicable to a wide range of patients.
The research builds on earlier success by the same group, which in 2024 had trialled personalized mRNA vaccines for patients with glioblastoma, a deadly brain cancer. This latest development, however, goes beyond personalized treatment and explores a generalized method of stimulating the immune system.
“This could potentially be a universal way of waking up a patient’s immune system against cancer,” said Dr Duane Mitchell, co-author of the study. “If these results are replicated in human trials, it would be truly profound.”
The team is now working to refine the vaccine and move into human clinical trials. While still in its early stage, the breakthrough has been hailed as a ray of hope in the fight against cancer, which continues to claim millions of lives each year.