[HTML][HTML] Chemical approaches to discover the full potential of peptide nucleic acids in biomedical applications

N Brodyagin, M Katkevics, V Kotikam… - Beilstein journal of …, 2021 - beilstein-journals.org
Peptide nucleic acid (PNA) is arguably one of the most successful DNA mimics, despite a
most dramatic departure from the native structure of DNA. The present review summarizes …

Supernatural: Artificial Nucleobases and Backbones to Program Hybridization-Based Assemblies and Circuits

M Lopez-Tena, SK Chen, N Winssinger - Bioconjugate Chemistry, 2022 - ACS Publications
The specificity and predictability of hybridization make oligonucleotides a powerful platform
to program assemblies and networks with logic-gated responses, an area of research which …

A Biotinylated cpFIT-PNA Platform for the Facile Detection of Drug Resistance to Artemisinin in Plasmodium falciparum

O Tepper, DH Appella, H Zheng, R Dzikowski… - ACS …, 2024 - ACS Publications
The evolution of drug resistance to many antimalarial drugs in the lethal strain of malaria
(Plasmodium falciparum) has been a great concern over the past 50 years. Among these …

Fluorescence sensing of the panhandle structure of the influenza a virus RNA promoter by thiazole orange base surrogate-carrying peptide nucleic acid conjugated …

Y Sato, H Miura, T Tanabe, CU Okeke… - Analytical …, 2022 - ACS Publications
We have developed a new class of triplex-forming peptide nucleic acid (PNA)-based
fluorogenic probes for sensing of the panhandle structure of the influenza A virus (IAV) RNA …

Mechanisms and applications of peptide nucleic acids selectively binding to double‐stranded RNA

X Zhan, L Deng, G Chen - Biopolymers, 2022 - Wiley Online Library
RNAs form secondary structures containing double‐stranded base paired regions and
single‐stranded regions. Probing, detecting and modulating RNA structures and dynamics …

Kinetic analysis of highly effective triplex formation between a small molecule–peptide nucleic acid conjugate probe and the influenza A virus RNA promoter region at …

CU Okeke, H Miura, Y Sato, S Nishizawa - Organic & Biomolecular …, 2023 - pubs.rsc.org
In order to overcome the pH limitations of triplex-forming peptide nucleic acid (PNA) in
binding to double-stranded RNA (dsRNA), we have recently proposed a new design of …

Peptide Nucleic Acids: Recent Developments in the Synthesis and Backbone Modifications

G Singh, V Monga - Bioorganic Chemistry, 2023 - Elsevier
Nucleic acid represents the ideal drug candidate for protein targets that are hard to target or
against which drug development is not easy. Peptide nucleic acids (PNAs) are synthesized …

Improved Triplex‐Forming Isoorotamide PNA Nucleobases for A− U Recognition of RNA Duplexes

JM Talbott, BR Tessier, EE Harding… - … A European Journal, 2023 - Wiley Online Library
Four new isoorotamide (Io)‐containing PNA nucleobases have been designed for A− U
recognition of double helical RNA. New PNA monomers were prepared efficiently and …

Incorporating 2-thiouracil into short double-stranded RNA-binding peptide nucleic acids for enhanced recognition of AU pairs and for targeting a microRNA hairpin …

AAL Ong, DFK Toh, MS Krishna, KM Patil… - Biochemistry, 2019 - ACS Publications
Chemically modified short peptide nucleic acids (PNAs) recognize RNA duplexes under
near physiological conditions by major-groove PNA· RNA–RNA triplex formation and show …

Fluorescent platforms for RNA chemical biology research

J Du, R Dartawan, W Rice, F Gao, JH Zhou, J Sheng - Genes, 2022 - mdpi.com
Efficient detection and observation of dynamic RNA changes remain a tremendous
challenge. However, the continuous development of fluorescence applications in recent …