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Sequence-specific and Selective Recognition of Double-stranded RNAs over Single-stranded RNAs by Chemically Modified Peptide Nucleic Acids

Sequence-specific and Selective Recognition of Double-stranded RNAs over Single-stranded RNAs by Chemically Modified Peptide Nucleic Acids

Published on: September 21, 2017

PNA-encoded chemical libraries.

Claudio Zambaldo¹, Sofia Barluenga¹, Nicolas Winssinger¹

¹Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva, 30 quai Ernest Ansermet, Geneva, Switzerland.

Current Opinion in Chemical Biology

|January 27, 2015

Summary

This summary is machine-generated.

Peptide nucleic acid (PNA)-encoded libraries offer a versatile platform for creating diverse chemical libraries and discovering novel ligands. This technology enables the synthesis of peptides, heterocycles, and glycoconjugates for various screening applications.

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Area of Science:

Chemical Biology
Drug Discovery
Synthetic Chemistry

Background:

DNA-encoded libraries (DELs) and peptide nucleic acid (PNA)-encoded libraries represent advanced methods for molecular library synthesis.
PNA-encoding is compatible with established solid-phase synthesis techniques, facilitating diverse compound generation.

Purpose of the Study:

To highlight the capabilities of PNA-encoded libraries in chemical synthesis and ligand discovery.
To review the application of PNA-encoding in generating libraries of peptides, heterocycles, and glycoconjugates.
To discuss various screening formats for PNA-encoded libraries.

Main Methods:

Utilizing PNA-encoding for solid-phase synthesis of diverse chemical libraries.
Employing selection-based and microarray-based screening formats.
Identifying specific ligands against various biological targets.

Main Results:

PNA-encoded libraries have been successfully synthesized for peptides, heterocycles, and glycoconjugates.
Diverse screening methods have been developed for PNA-encoded libraries.
Specific ligands have been identified against targets including membrane receptors, lectins, and Hsp70.

Conclusions:

PNA-encoded libraries provide a powerful and adaptable approach for ligand discovery.
The compatibility with solid-phase synthesis and diverse screening options make PNA-encoding a valuable tool in chemical biology.
This technology facilitates the identification of ligands for challenging biological targets.