ArticleInternational journal of molecular sciences2021
Thrombin-Binding Aptamer with Inversion of Polarity Sites (IPS): Effect on DNAzyme Activity and Anticoagulant Properties.
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 4 citations in OpenAlex.
- Beyond G-Quadruplexes-The Effect of Junction with Additional Structural Motifs on Aptamers Properties.International journal of molecular sciences · 2021Review
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2 authors at 1 institution in 1 country.
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Abstract
In this work we examined the properties of thrombin-binding aptamer (TBA) modified by the introduction of inversion of polarity sites (IPS) in order to assess the effect of modification on the activation of TBA to serve as DNAzyme with peroxidase-like activity. Two oligonucleotides were designed to possess one (IPS1) or three (IPS2) inversion sites. TBA typically forms antiparallel G-quadruplexes with two G-tetrads, which exhibits very low DNAzyme peroxidise activity. DNAzyme activity is generally attributed to parallel G-quadruplexes. Hence, inversion of polarity was introduced in the TBA molecule to force the change of G-quadruplex topology. All oligonucleotides were characterized using circular dichroism and UV-Vis melting profiles. Next, the activity of the DNAzymes formed by studied oligonucleotides and hemin was investigated. The enhancement of peroxidase activity was observed when inversion of polarity was introduced. DNAzyme based on IPS2 showed the highest peroxidase activity in the presence of K
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