Results 81 to 90 of about 51,393 (251)

Expanding the repertoire of pyrrolidyl PNA analogues for DNA/RNA hybridization selectivity: aminoethylpyrrolidinone PNA (aepone-PNA) [PDF]

open access: yes, 2003
New PNA analogues derived from aminoethylpyrrolidin- 5-one backbone show stabilization of aepone-PNA:DNA hybrids and destabilization of the corresponding RNA hybrids compared to unmodified ...
Ganesh, Krishna N., Sharma, Nagendra K.
core   +2 more sources

Preparation Of Clickable Monomers Compatible With Automated PNA Synthesis

open access: yes, 2019
Peptide nucleic acids (PNA) are artificially synthesized monomers or polymers that mimic DNA or RNA sequences.[1,2] Due to their stability in biological conditions and their ability to bind complementary to DNA or RNA, PNAs have potential medicinal value
Newell, Grace
core  

PNA bearing 5-azidomethyluracil: a novel approach for solid and solution phase modification

open access: yes, 2012
Fmoc- and Boc-protected modified monomers bearing 5-azidomethyluracil nucleobase were synthesized. Four different solid-phase synthetic strategies were tested in order to evaluate the application of these series of monomers for the solid-phase ...
MARCHELLI, Rosangela   +5 more
core   +1 more source

Nucleobase‐caged peptide nucleic acids: PNA/PNA duplex destabilization and light‐triggered PNA/PNA recognition

open access: yes, 2013
The 2-(o-nitrophenyl)-propyl (NPP) group is used as caging group to mask the nucleobases adenine and cytosine in N-(2-aminoethyl)glycine peptide nucleic acids (aeg-PNA).
Goericke, Bjoern   +7 more
core   +1 more source

Over Half of Patients Progress to Cartilage Restoration After Initial Cartilage Biopsy in a Military Population

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To evaluate the rate of matrix‐induced autologous chondrocyte implantation (MACI) after cartilage biopsy in a military population. Methods A retrospective review was conducted of all patients who underwent a cartilage biopsy at 2 large regional military health centers between January 2021 and May 2023.
Ryan M. Sanborn   +5 more
wiley   +1 more source

Thermodynamic Studies on PNA and PNA/DNA Dendrimer Formation

open access: yes, 2007
In this work we report a kinetic and thermodynamic study relative to the formation of gel systems based on PNA and PNA/DNA dendrimers, useful for drug delivery or diagnostic applications. We realized two kinds of systems: a PNA-based monomolecular system
MUSUMECI, DOMENICA   +6 more
core   +1 more source

The synergistic impact of granulocytic myeloid‐derived suppressor cells and innate lymphoid cells in systemic sclerosis

open access: yesArthritis &Rheumatology, Accepted Article.
Objective Systemic sclerosis (SSc) is a chronic autoimmune disorder characterized by immune dysregulation and fibrosis, with myeloid‐derived suppressor cells (MDSCs) emerging as important regulators of immune responses. However, the role of MDSCs in SSc‐associated fibrosis and their interactions with other immune cell populations remain poorly ...
Stefanie Weber   +15 more
wiley   +1 more source

Synthesis and Incorporation into PNA of Fluorinated Olefinic PNA (F-OPA) Monomers

open access: yes, 2003
A fluorinated OPA monomer containing the base thymine ((Z)-t-F-OPA) was synthesized in 12 steps, featuring a highly selective allylic over homoallylic Mitsunobu substitution for the introduction of the nucleobase.
Leumann, Christian
core  

PNA Technology

open access: yes, 2004
Peptide nucleic acids (PNA) are deoxyribonucleic acid (DNA) mimics with a pseudopeptide backbone. PNA is an extremely good structural mimic of DNA (or of ribonucleic acid [RNA]), and PNA oligomers are able to form very stable duplex structures with ...
Nielsen, Peter E.
core   +1 more source

MDL‐800‐induced SIRT6 activation decreases age‐associated osteoarthritis in mice

open access: yesArthritis &Rheumatology, Accepted Article.
Objective SIRT6 is a nuclear‐localized histone deacetylase that regulates multiple pathways associated with aging. This study aimed to determine whether systemic administration of a small molecule activator of SIRT6, MDL‐800, decreases the severity of age‐associated osteoarthritis (OA) in mice.
Matheus Moreira Perez   +13 more
wiley   +1 more source

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