How can we see cells? Yale Scientists Develop Revolutionary Microscopy Technique to View Unlimited Cellular Molecules
Science News
In a groundbreaking advancement in microscopy, a team of researchers from Yale University, led by Joerg Bewersdorf, PhD, and associate research scientist Florian Schüder, PhD, has developed a novel imaging technique that could revolutionize our understanding of cellular functions. The technique, known as FLASH-PAINT, was detailed in a recent publication in the journal Cell on March 28, 2024.
Traditional methods of super-resolution microscopy are limited in scope. Allowing scientists to visualize only a few molecular targets within cells at any given time. Moreover, this constraint has become likened to watching a football game. Thus, where only the quarterbacks become visible. As a result, making it difficult to appreciate the full complexity of the gameplay.
FLASH-PAINT overcomes this limitation by employing a unique method where an innovative imaging probe transiently binds to an unlimited number of molecules within the cell. This approach uses a flexible adapter that can attach any probe to any target, which then briefly binds to the target molecule, allowing rapid switching from one target to another. This transient binding is crucial for the technique’s efficiency and speed.
“The ability to visualize as many proteins and cellular features as we want, quickly and elegantly, changes the way we can study cellular processes,” explained Dr. Bewersdorf, the Harvey and Kate Cushing Professor of Cell Biology at Yale. “Current techniques can miss the big picture by focusing only on a handful of targets. With FLASH-PAINT, we aim to observe all possible interactions within a cell, enhancing our understanding significantly.”
The new method is not only faster but also more cost-effective compared to existing microscopy techniques. It enhances the potential for scientific discovery by allowing comprehensive visualization of the interactions and functions within cells. This could lead to significant advances in understanding diseases, including various cancers, and pave the way for developing more effective treatments.
Dr. Schüder, first author of the study, emphasizes the transformative potential of FLASH-PAINT: “Imaging every protein in a cell has previously been unfeasible with the available technology. Now, we can potentially observe all 20,000 different proteins in a single experiment, speeding up research and reducing costs dramatically.”
This development marks a significant milestone in microscopy and could have profound implications for biological research and medical science.
How can we see cells?
https://medicine.yale.edu/news-article/advanced-microscopy-technique-offers-a-new-look-inside-cells
