University of British Columbia scientists achieve million-fold leap in targeting elusive cancer proteins

UBC researchers develop a breakthrough method to target elusive proteins, achieving a million-fold increase in binding strength for cancer treatments.

By: AXL Media

Published: Apr 28, 2026, 9:31 AM EDT

Source: Information for this report was sourced from EurekAlert!

A Scientific Breakthrough for Previously Untreatable Protein Structures

A team of researchers at the University of British Columbia and BC Cancer has successfully engineered a method to neutralize proteins that have long eluded traditional pharmacology. These molecular components, known as intrinsically disordered proteins, lack the stable three dimensional shapes that conventional medications typically latch onto. By creating compounds that can effectively bind to these shifting structures, the research team has opened a significant frontier in the treatment of various life threatening conditions, including autoimmune diseases and heart disease.

The Structural Defiance of Molecular Shapeshifters in Human Cells

Unlike standard proteins that fold into predictable shapes, disordered proteins behave more like flexible, moving strands of spaghetti. According to Dr. Marianne D. Sadar, a professor at the UBC faculty of medicine, this lack of fixed binding sites has historically made drug discovery nearly impossible, as there is no specific lock for a chemical key to fit into. These proteins are central to the progression of many illnesses, yet the medical community has struggled for decades to produce more than a small handful of treatments capable of interacting with them.

Engineered Compounds Achieving Unprecedented Levels of Molecular Binding

The study, published in Nature Signal Transduction and Targeted Therapy, highlights a massive leap in binding affinity, with some new compounds attaching up to a million times more tightly than previously recorded. Dr. Natalie Strynadka, a professor of biochemistry and molecular biology, noted that this million fold increase in strength represents a major achievement in molecular biology. By freezing these proteins in an inactive state, the researchers can effectively prevent them from triggering the genetic sequences that lead to disease growth.