RNA major groove modifications improve siRNA stability and biological activity

M Terrazas, ET Kool - Nucleic acids research, 2009 - academic.oup.com
RNA 5-methyl and 5-propynyl pyrimidine analogs were substituted into short interfering RNAs
(siRNAs) to probe major groove steric effects in the active RNA-induced silencing complex …

Controlled sulfur-based engineering confers mouldability to phosphorothioate antisense oligonucleotides

…, P Seth, B Wan, C Cabrero, M Terrazas… - Nucleic acids …, 2023 - academic.oup.com
Phosphorothioates (PS) have proven their effectiveness in the area of therapeutic oligonucleotides
with applications spanning from cancer treatment to neurodegenerative disorders. …

[PDF][PDF] Mechanism of reaction of RNA-dependent RNA polymerase from SARS-CoV-2

J Aranda, M Wieczór, M Terrazas, I Brun-Heath… - Chem catalysis, 2022 - cell.com
We combine molecular dynamics, statistical mechanics, and hybrid quantum mechanics/molecular
mechanics simulations to describe mechanistically the severe acute respiratory …

Effect of North Bicyclo[3.1.0]hexane 2′‐Deoxy‐pseudosugars on RNA Interference: A Novel Class of siRNA Modification

M Terrazas, SM Ocampo, JC Perales… - …, 2011 - Wiley Online Library
North bicyclo methanocarba thymidine (T N ) nucleosides were substituted into siRNAs to
investigate the effect of bicyclo[3.1.0]hexane 2′‐deoxy‐pseudosugars on RNA interference …

An artificial DNAzyme RNA ligase shows a reaction mechanism resembling that of cellular polymerases

J Aranda, M Terrazas, H Gomez, N Villegas… - Nature Catalysis, 2019 - nature.com
DNAzymes have become attractive due to their potential biomedical and biotechnological
applications, as well as their advantages in terms of stability, efficiency and synthetic …

Modified siRNAs for the study of the PAZ domain

Á Somoza, M Terrazas, R Eritja - Chemical communications, 2010 - pubs.rsc.org
Chemical modifications aimed at stabilizing the interaction between the 3′-end of siRNAs
and the PAZ domain of RISC have been tested for their effect on RNAi activity. Such …

Site-specific incorporation of a fluorescent nucleobase analog enhances i-motif stability and allows monitoring of i-motif folding inside cells

…, P Medina, V Macaluso, M Terrazas… - Nucleic Acids …, 2024 - academic.oup.com
The i-motif is an intriguing non-canonical DNA structure, whose role in the cell is still
controversial. Development of methods to study i-motif formation under physiological conditions in …

A multidisciplinary approach for the identification of novel HIV‐1 non‐nucleoside reverse transcriptase inhibitors: S‐DABOCs and DAVPs

…, A Samuele, S Zanoli, M Terrazas… - ChemMedChem …, 2008 - Wiley Online Library
Among the FDA approved drugs for the treatment of AIDS, non‐nucleoside reverse transcriptase
inhibitors (NNRTIs) are essential components of first‐line anti‐HIV‐1 therapy because …

Efficient siRNA–peptide conjugation for specific targeted delivery into tumor cells

…, V Marchán, M Orozco, M Terrazas - Chemical …, 2017 - pubs.rsc.org
Despite the broad applicability of the Huisgen cycloaddition reaction, the click functionalization
of RNAs with peptides still remains a challenge. Here we describe a straightforward …

[HTML][HTML] Modulation of the RNA interference activity using central mismatched siRNAs and acyclic threoninol nucleic acids (aTNA) units

A Alagia, M Terrazas, R Eritja - Molecules, 2015 - mdpi.com
The understanding of the mechanisms behind nucleotide recognition by Argonaute 2, core
protein of the RNA-induced silencing complex, is a key aspect in the optimization of small …