Advances Towards Cell-Specific Gene Transfection: A Small-Molecule Approach Allows Order-of-Magnitude Selectivity

Overview

Journal Chemistry

Specialty Chemistry

Date 2022 May 23

PMID 35604769

Authors

Thies Dirksmeyer

Paul Stahl

Cecilia Vallet

Shirley Knauer

Michael Giese

Carsten Schmuck

Christoph Hirschhauser

Affiliations

Soon will be listed here.

Abstract

A transfection vector that can home in on tumors is reported. Whereas previous vectors that allow moderately cell selective gene transfection used larger systems, this small-molecule approach paved the way for precise structure-activity relationship optimization. For this, biotin, which mediates cell selectivity, was combined with the potent DNA-binding motif tetralysine-guanidinocarbonypyrrol via a hydrophilic linker, thus enabling SAR-based optimization. The new vector mediated biotin receptor (BR)-selective transfection of cell lines with different BR expression levels. Computer-based analyses of microscopy images revealed a preference of one order of magnitude for the BR-positive cell lines over the BR-negative controls.

Citing Articles

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Hoing A, Struth R, Beuck C, Rafieiolhosseini N, Hoffmann D, Stauber R RSC Adv. 2022; 12(53):34176-34184.

PMID: 36545626 PMC: 9709806. DOI: 10.1039/d2ra06019a.

Advances towards Cell-Specific Gene Transfection: A Small-Molecule Approach Allows Order-of-Magnitude Selectivity.

Dirksmeyer T, Stahl P, Vallet C, Knauer S, Giese M, Schmuck C Chemistry. 2022; 28(43):e202104618.

PMID: 35604769 PMC: 9401007. DOI: 10.1002/chem.202104618.

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