Circular RNA circCD44 targets methyltransferase-like 3/homeobox containing 1 to facilitate esophageal squamous cell carcinoma progression.

Summary: Esophageal cancer is a difficult disease to treat, and scientists are constantly looking for the genetic gears that drive it. This study identified a specific piece of genetic material called "circCD44"—a circular loop of RNA—that acts like a gas pedal for the disease. The researchers found that circCD44 teams up with a protein called METTL3 to boost the levels of another gene, HMBOX1. When these three work together, they cause cancer cells to multiply rapidly and spread, while preventing them from dying naturally. Understanding this dangerous partnership could help doctors develop new drugs to block the circle and stop the cancer's growth.