Results 31 to 40 of about 189,505 (303)

Cell-Penetrating Peptides—Mechanisms of Cellular Uptake and Generation of Delivery Systems

open access: yesPharmaceuticals, 2010
The successful clinical application of nucleic acid-based therapeutic strategies has been limited by the poor delivery efficiency achieved by existing vectors. The development of alternative delivery systems for improved biological activity is, therefore,
Sara Trabulo   +3 more
doaj   +1 more source

Dynamic changes of differential metabolites and key metabolic pathways of Gastrodia elata Blume during fermentation

open access: yesInternational Journal of Food Properties, 2022
The fermentation of Gastrodia elata Blume (GEB) is an extremely complex process, and abundant metabolites are produced, which have a great influence on the quality and flavor.
Yu Wang   +7 more
doaj   +1 more source

CABS-dock web server for the flexible docking of peptides to proteins without prior knowledge of the binding site [PDF]

open access: yesNucleic Acids Research, 43 (W1): W419-W424, 2015, 2015
Protein-peptide interactions play a key role in cell functions. Their structural characterization, though challenging, is important for the discovery of new drugs. The CABS-dock web server provides an interface for modeling protein-peptide interactions using a highly efficient protocol for the flexible docking of peptides to proteins.
arxiv   +1 more source

A Convenient Asymmetric Synthesis of a β-amino Ester with Additional Functionalization as a Precursor for Peptide Nucleic Acid (PNA) Monomers

open access: yesMolecules, 2006
We report the asymmetric synthesis of di-3-pentyl (3S,αS,7E)-3-N-benzyl-N- α-methylbenzylamino-dec-7-enedioate (9), which contains the correct functionalization to produce δ-amino acid derivatives to be used as monomers for Peptide Nucleic Acid (
Julio G. Urones   +5 more
doaj   +1 more source

Quantifying telomeric lncRNAs using PNA-labelled RNA-Flow FISH (RNA-Flow)

open access: yesCommunications Biology, 2022
Telomeric-associated long non-coding RNAs TERRA and TERC can be quantified in culture cell lines and human PBMCs using peptide nucleic acid probes with flow cytometry (RNA-Flow).
Iria González-Vasconcellos   +4 more
doaj   +1 more source

Modification of the Linker Amino Acid in the Cell-Penetrating Peptide NickFect55 Leads to Enhanced pDNA Transfection for In Vivo Applications

open access: yesPharmaceutics, 2023
Despite numerous efforts over the last three decades, nucleic acid-based therapeutics still lack delivery platforms in the clinical stage. Cell-penetrating peptides (CPPs) may offer solutions as potential delivery vectors.
Heleri H. Härk   +5 more
doaj   +1 more source

Reciprocal Nucleopeptides as the Ancestral Darwinian Self-Replicator [PDF]

open access: yesEleanor F Banwell, Bernard M A G Piette, Anne Taormina, Jonathan G Heddle; Reciprocal Nucleopeptides as the Ancestral Darwinian Self-Replicator, Molecular Biology and Evolution, msx292 (2017), 2017
Even the simplest organisms are too complex to have spontaneously arisen fully-formed, yet precursors to first life must have emerged ab initio from their environment. A watershed event was the appearance of the first entity capable of evolution: the Initial Darwinian Ancestor.
arxiv   +1 more source

Furan-PNA : a mildly inducible irreversible interstrand crosslinking system targeting single and double stranded DNA [PDF]

open access: yes, 2016
We here report on the design and synthesis of tailor-made furan-modified peptide nucleic acid (PNA) probes for covalent targeting of single stranded DNA through a crosslinking strategy.
Corradini, Roberto   +3 more
core   +2 more sources

On the stability of peptide nucleic acid duplexes in the presence of organic solvents [PDF]

open access: yes, 2007
Nucleic acid double helices are stabilized by hydrogen bonding and stacking forces (a combination of hydrophobic, dispersive and electrostatic forces) of the base pairs in the helix.
Allawi   +45 more
core   +2 more sources

Synthesis and Purification of Peptide Nucleic Acids [PDF]

open access: yesCurrent Protocols in Nucleic Acid Chemistry, 2002
AbstractPeptide nucleic acids (PNAs) are DNA analogs in which the normal phosphodiester backbone is replaced by 2‐aminoethyl glycine linkages. Hybridization of PNAs with RNA or DNA follows normal rules for Watson‐Crick base pairing and occurs with high affinity.
Braasch, Dwaine A.   +2 more
openaire   +4 more sources

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