Modified nucleic acid aptamers: development, characterization, and biological applications

D Ji, H Feng, SW Liew, CK Kwok - Trends in Biotechnology, 2023‏ - cell.com
Aptamers are single-stranded oligonucleotides that bind to their targets via specific structural
interactions. To improve the properties and performance of aptamers, modified nucleotides …

Chemical modifications for a next generation of nucleic acid aptamers

KY Chan, AB Kinghorn, M Hollenstein… - …, 2022‏ - Wiley Online Library
In the past three decades, in vitro systematic evolution of ligands by exponential enrichment
(SELEX) has yielded many aptamers for translational applications in both research and …

G-quadruplex-based aptamers targeting human thrombin: Discovery, chemical modifications and antithrombotic effects

C Riccardi, E Napolitano, C Platella… - Pharmacology & …, 2021‏ - Elsevier
First studies on thrombin-inhibiting DNA aptamers were reported in 1992, and since then a
large number of anticoagulant aptamers has been discovered. TBA–also named HD1, a 15 …

Steric hindrance and structural flexibility shape the functional properties of a guanine-rich oligonucleotide

R Troisi, V Napolitano, E Rossitto… - Nucleic Acids …, 2023‏ - academic.oup.com
Ligand/protein molecular recognition involves a dynamic process, whereby both partners
require a degree of structural plasticity to regulate the binding/unbinding event. Here, we …

[HTML][HTML] Overview of the therapeutic potential of aptamers targeting coagulation factors

M Liu, K Zaman, YM Fortenberry - International journal of molecular …, 2021‏ - mdpi.com
Aptamers are single-stranded DNA or RNA sequences that bind target molecules with high
specificity and affinity. Aptamers exhibit several notable advantages over protein-based …

Robust enzymatic production of DNA G-quadruplex, aptamer, DNAzyme, and other oligonucleotides: Applications for NMR

X Wang, B Yu, S Sakurabayashi… - Journal of the …, 2024‏ - ACS Publications
Single-stranded DNA (ssDNA) oligonucleotides are widely used in biological research,
therapeutics, biotechnology, and nanomachines. Large-scale enzymatic production of …

[HTML][HTML] Design, synthesis and characterization of cyclic NU172 analogues: A biophysical and biological insight

C Riccardi, A Meyer, JJ Vasseur, D Cavasso… - International journal of …, 2020‏ - mdpi.com
NU172—a 26-mer oligonucleotide able to bind exosite I of human thrombin and inhibit its
activity—was the first aptamer to reach Phase II clinical studies as an anticoagulant in heart …

A terminal functionalization strategy reveals unusual binding abilities of anti-thrombin anticoagulant aptamers

R Troisi, C Riccardi, KP de Carvasal… - … Therapy Nucleic Acids, 2022‏ - cell.com
Despite their unquestionable properties, oligonucleotide aptamers display some drawbacks
that continue to hinder their applications. Several strategies have been undertaken to …

Structural and functional analysis of the simultaneous binding of two duplex/quadruplex aptamers to human α-thrombin

R Troisi, N Balasco, A Santamaria, L Vitagliano… - International Journal of …, 2021‏ - Elsevier
The long-range communication between the two exosites of human α-thrombin (thrombin)
tightly modulates the protein-effector interactions. Duplex/quadruplex aptamers represent an …

Synthesis of piperidine nucleosides as conformationally restricted immucillin mimics

M De Fenza, A Esposito, D D'Alonzo, A Guaragna - Molecules, 2021‏ - mdpi.com
The de novo synthesis of piperidine nucleosides from our homologating agent 5, 6-dihydro-
1, 4-dithiin is herein reported. The structure and conformation of nucleosides were …