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Jan 18, 2024

Unfolding Mysteries: DNA Origami Unveils Hidden Mechanisms of Critical Cell Function

Posted by in category: biotech/medical

Researchers at Karolinska Institutet in Sweden have used DNA origami, the art of folding DNA into desired structures, to show how an important cell receptor can be activated in a previously unknown way. The result opens new avenues for understanding how the Notch signaling pathway works and how it is involved in several serious diseases. The study is published in Nature Communications.

Notch is a cell receptor that is of great importance to a wide range of organisms and plays a crucial role in many different processes, including early embryonic development in both flies and humans. Notch regulates the development of stem cells into different cell types in the body. Defects in this signaling pathway can result in serious diseases, including cancer.

The prevailing view of the receptor’s function has so far been that it is activated purely mechanically, by a neighboring cell pulling on it, meaning that signaling only occurs as a result of direct communication between cells.

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