[HTML][HTML] G-quadruplex-forming aptamers—characteristics, applications, and perspectives

C Roxo, W Kotkowiak, A Pasternak - Molecules, 2019 - mdpi.com
G-quadruplexes constitute a unique class of nucleic acid structures formed by G-rich
oligonucleotides of DNA-or RNA-type. Depending on their chemical nature, loops length …

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 …

Unlocking precision in aptamer engineering: a case study of the thrombin binding aptamer illustrates why modification size, quantity, and position matter

MT Murray, SD Wetmore - Nucleic Acids Research, 2024 - academic.oup.com
The thrombin binding aptamer (TBA) is a prototypical platform used to understand the impact
of chemically-modified nucleotides on aptamer stability and target affinity. To provide …

Crystal structures of thrombin in complex with chemically modified thrombin DNA aptamers reveal the origins of enhanced affinity

R Dolot, CH Lam, M Sierant, Q Zhao… - Nucleic acids …, 2018 - academic.oup.com
Thrombin-binding aptamer (TBA) is a DNA 15-mer of sequence 5′-GGT TGG TGT GGT
TGG-3′ that folds into a G-quadruplex structure linked by two TT loops located on one side …

[HTML][HTML] Thermodynamic, anticoagulant, and antiproliferative properties of thrombin binding aptamer containing novel UNA derivative

W Kotkowiak, J Lisowiec-Wachnicka, J Grynda… - … Therapy Nucleic Acids, 2018 - cell.com
Thrombin is a serine protease that plays a crucial role in hemostasis, fibrinolysis, cell
proliferation, and migration. Thrombin binding aptamer (TBA) is able to inhibit the activity of …

Dissecting the contribution of thrombin exosite I in the recognition of thrombin binding aptamer

A Pica, I Russo Krauss, A Merlino… - The FEBS …, 2013 - Wiley Online Library
Thrombin plays a pivotal role in the coagulation cascade; therefore, it represents a primary
target in the treatment of several blood diseases. The 15‐mer DNA oligonucleotide 5 …

Fluorescent thrombin binding aptamer-tagged nanoparticles for an efficient and reversible control of thrombin activity

C Riccardi, I Russo Krauss, D Musumeci… - … Applied Materials & …, 2017 - ACS Publications
Progress in understanding and treatment of thrombotic diseases requires new effective
methods for the easy, rapid, and reversible control of coagulation processes. In this …

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 …

Solid phase synthesis of a thrombin binding aptamer on macroporous silica for label free optical quantification of thrombin

M Terracciano, L De Stefano, N Borbone, J Politi… - RSC Advances, 2016 - pubs.rsc.org
Human α-thrombin (TB) is a serine protease with a crucial role in coagulation and
hemostasis. The monitoring of the TB level in blood serum could be of great importance in …

Site specific replacements of a single loop nucleoside with a dibenzyl linker may switch the activity of TBA from anticoagulant to antiproliferative

M Scuotto, E Rivieccio, A Varone, D Corda… - Nucleic Acids …, 2015 - academic.oup.com
Many antiproliferative G-quadruplexes (G4s) arise from the folding of GT-rich strands.
Among these, the Thrombin Binding Aptamer (TBA), as a rare example, adopts a …