Scientific article
Open access

Cellular uptake: lessons from supramolecular organic chemistry

Published inChemical communications, vol. 51, no. 52, p. 10389-10402
Publication date2015

The objective of this Feature Article is to reflect on the importance of established and emerging principles of supramolecular organic chemistry to address one of the most persistent problems in life sciences. The main topic is dynamic covalent chemistry on cell surfaces, particularly disulfide exchange for thiol-mediated uptake. Examples of boronate and hydrazone exchange are added for contrast, comparison and completion. Of equal importance are the discussions of proximity effects in polyions and counterion hopping, and more recent highlights on ring tension and ion pair–π interactions. These lessons from supramolecular organic chemistry apply to cell-penetrating peptides, particularly the origin of “arginine magic” and the “pyrenebutyrate trick,” and the currently emerging complementary “disulfide magic” with cell-penetrating poly(disulfide)s. They further extend to the voltage gating of neuronal potassium channels, gene transfection, and the delivery of siRNA. The collected examples illustrate that the input from conceptually innovative chemistry is essential to address the true challenges in biology beyond incremental progress and random screening.

Citation (ISO format)
GASPARINI, Giulio et al. Cellular uptake: lessons from supramolecular organic chemistry. In: Chemical communications, 2015, vol. 51, n° 52, p. 10389–10402. doi: 10.1039/C5CC03472H
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Article (Published version)
Article (Accepted version)
ISSN of the journal1359-7345

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