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Synthetic Artificial Apoptosis‐Inducing Receptor for On‐Demand Deactivation of Engineered Cells
The design of a fully synthetic, chemical “apoptosis‐inducing receptor” (AIR) molecule is reported that is anchored into the lipid bilayer of cells, is activated by the incoming biological input, and responds with the release of a secondary messenger—a highly potent toxin for cell killing. The AIR molecule has four elements, namely, an exofacial trigger group, a bilayer anchor, a toxin as a secondary messenger, and a self‐immolative scaffold as a mechanism for signal transduction. Receptor installation into cells is established via a robust protocol with minimal cell handling. The synthetic receptor remains dormant in the engineered cells, but is effectively triggered externally by the addition of an activating biomolecule (enzyme) or in a mixed cell population through interaction with the surrounding cells. In 3D cell culture (spheroids), receptor activation is accessible for at least 5 days, which compares favorably with other state of the art receptor designs.
Synthetic Artificial Apoptosis‐Inducing Receptor for On‐Demand Deactivation of Engineered Cells
The design of a fully synthetic, chemical “apoptosis‐inducing receptor” (AIR) molecule is reported that is anchored into the lipid bilayer of cells, is activated by the incoming biological input, and responds with the release of a secondary messenger—a highly potent toxin for cell killing. The AIR molecule has four elements, namely, an exofacial trigger group, a bilayer anchor, a toxin as a secondary messenger, and a self‐immolative scaffold as a mechanism for signal transduction. Receptor installation into cells is established via a robust protocol with minimal cell handling. The synthetic receptor remains dormant in the engineered cells, but is effectively triggered externally by the addition of an activating biomolecule (enzyme) or in a mixed cell population through interaction with the surrounding cells. In 3D cell culture (spheroids), receptor activation is accessible for at least 5 days, which compares favorably with other state of the art receptor designs.
Synthetic Artificial Apoptosis‐Inducing Receptor for On‐Demand Deactivation of Engineered Cells
Monge, Pere (author) / Løvschall, Kaja Borup (author) / Søgaard, Ane Bretschneider (author) / Walther, Raoul (author) / Golbek, Thaddeus W. (author) / Schmüser, Lars (author) / Weidner, Tobias (author) / Zelikin, Alexander N. (author)
Advanced Science ; 8
2021-07-01
7 pages
Article (Journal)
Electronic Resource
English
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