Cytosolic Delivery of Proteins by Bioreversible Esterification

Autor: Kalie A. Mix, Ronald T. Raines, Jo E. Lomax
Rok vydání: 2017
Předmět:
Zdroj: Journal of the American Chemical Society. 139:14396-14398
ISSN: 1520-5126
0002-7863
DOI: 10.1021/jacs.7b06597
Popis: Cloaking its carboxyl groups with a hydrophobic moiety is shown to enable a protein to enter the cytosol of a mammalian cell. Diazo compounds derived from (p-methylphenyl)glycine were screened for the ability to esterify the green fluorescent protein (GFP) in an aqueous environment. Esterification of GFP with 2-diazo-2-(p-methylphenyl)-N,N-dimethylacetamide was efficient. The esterified protein entered the cytosol by traversing the plasma membrane directly, like a small-molecule prodrug. As with prodrugs, the nascent esters are substrates for endogenous esterases, which regenerate native protein. Thus, esterification could provide a general means to deliver native proteins to the cytosol.
Databáze: OpenAIRE