Results 41 to 50 of about 189,505 (303)
Electrostatic Binding and Hydrophobic Collapse of Peptide-Nucleic Acid Aggregates Quantified Using Force Spectroscopy [PDF]
ACS Nano, 7 (2013) 5102-5113, 2014 Knowledge of the mechanisms of interaction between self-aggregating peptides and nucleic acids or other polyanions is key to the understanding of many aggregation processes underlying several human diseases (e.g. Alzheimer's and Parkinson's diseases). Determining the affinity and kinetic steps of such interactions is challenging due to the competition ...
arxiv +1 more source
The central dogma of biological homochirality: How does chiral information propagate in a prebiotic network? [PDF]
, 2023 Biological systems are homochiral, raising the question of how a racemic mixture of prebiotically synthesized biomolecules could attain a homochiral state at the network level. Based on our recent results, we aim to address a related question of how chiral information might have flowed in a prebiotic network. Utilizing the crystallization properties of
arxiv +1 more source
Carrier PNA for shRNA delivery into cells [PDF]
, 2009 A peptide nucleic acid (PNA)-cell-penetrating peptide (CPP) conjugate (carrier PNA) was used as 'bridgebuilder' to connect a CPP with an shRNA. The carrier PNA successfully formed a hybrid with an shRNA bearing complementary dangling bases and the shRNA ...
Endoh, Tamaki +5 more
core +1 more source
Peptide Nucleic Acid-Based Biosensors for Cancer Diagnosis
Molecules, 2017 The monitoring of DNA and RNA biomarkers freely circulating in the blood constitutes the basis of innovative cancer detection methods based on liquid biopsy.
Roberta D’Agata +2 more
doaj +1 more source
Frontiers in Microbiology, 2023 IntroductionAntisense oligonucleotides (ASOs) with therapeutic potential have recently been reported to target the SARS-CoV-2 genome. Peptide nucleic acids (PNAs)-based ASOs have been regarded as promising drug candidates, but intracellular delivery has ...
Soree Park +10 more
doaj +1 more source
Acid-base and lipophilic properties of peptide nucleic acid derivatives
Journal of Pharmaceutical Analysis, 2021 The first combined experimental and theoretical study on the ionization and lipophilic properties of peptide nucleic acid (PNA) derivatives, including eleven PNA monomers and two PNA decamers, is described.
Pramod Thakare +6 more
doaj
Potential applications of peptide nucleic acid in biomedical domain
Engineering Reports, 2020 Peptide Nucleic Acid (PNA) are DNA/RNA synthetic analogs with 2‐([2‐aminoethyl] amino) acetic acid backbone. They partake unique antisense and antigene properties, just due to its inhibitory effect on transcription and translation; they also undergo ...
Kshitij RB Singh +2 more
doaj +1 more source
Chiral Peptide Nucleic Acids with a Substituent in the N-(2-Aminoethy)glycine Backbone
Molecules, 2012 A peptide nucleic acid (PNA) is a synthetic nucleic acid mimic in which the sugar-phosphate backbone is replaced by a peptide backbone. PNAs hybridize to complementary DNA and RNA with higher affinity and superior sequence selectivity compared to DNA ...
Atsushi Kittaka, Toru Sugiyama
doaj +1 more source
Duplex formation and secondary structure of γ-PNA observed by NMR and CD [PDF]
, 2015 Peptide Nucleic Acids (PNA) are non-natural oligonucleotides mimics. {\gamma}-PNA backbone are formed by standard nucleic acids nucleobases connected by a neutral N-(2-aminoethyl)glycine backbone linked by a peptide bond. In this study, we use Nuclear Magnetic Resonance (NMR) and Circular Dichroism (CD) to explore the properties of the supramolecular ...
arxiv +1 more source
Mixed Anhydrides at the Intersection Between Peptide and RNA Autocatalytic Sets: Evolution of Biological Coding [PDF]
arXiv, 2022 We present a scenario for the origin of biological coding. In this context, coding is a semiotic relationship between chemical information stored in one location that links to chemical information stored in a separate location. Coding originated by the cooperative interaction of two, originally separate collectively autocatalytic sets, one for nucleic ...
arxiv