[HTML][HTML] 'Dual'peptidyl-oligonucleotide conjugates: Role of conformational flexibility in catalytic cleavage of RNA

Y Staroseletz, A Williams, KK Burusco, I Alibay… - Biomaterials, 2017 - Elsevier
Traditional therapeutic interventions against abnormal gene expression in disease states at
the level of expressed proteins are becoming increasingly difficult due to poor selectivity, off …

Strict conformational demands of RNA cleavage in bulge-loops created by peptidyl-oligonucleotide conjugates

Y Staroseletz, B Amirloo, A Williams… - Nucleic acids …, 2020 - academic.oup.com
Potent knockdown of pathogenic RNA in vivo is an urgent health need unmet by both small-
molecule and biologic drugs.'Smart'supramolecular assembly of catalysts offers precise …

Peptidyl–Oligonucleotide Conjugates Demonstrate Efficient Cleavage of RNA in a Sequence-Specific Manner

A Williams, Y Staroseletz, MA Zenkova… - Bioconjugate …, 2015 - ACS Publications
Described here is a new class of peptidyl–oligonucleotide conjugates (POCs) which show
efficient cleavage of a target RNA in a sequence-specific manner. Through …

A trisbenzimidazole phosphoramidite building block enables high-yielding syntheses of RNA-cleaving oligonucleotide conjugates

F Zellmann, MW Göbel - Molecules, 2020 - mdpi.com
The RNA cleaving catalyst tris (2-aminobenzimidazole) when attached to the 5'terminus of
oligonucleotides cuts complementary RNA strands in a highly site-specific manner …

“Bind, cleave and leave”: multiple turnover catalysis of RNA cleavage by bulge–loop inducing supramolecular conjugates

B Amirloo, Y Staroseletz, S Yousaf… - Nucleic acids …, 2022 - academic.oup.com
Antisense sequence-specific knockdown of pathogenic RNA offers opportunities to find new
solutions for therapeutic treatments. However, to gain a desired therapeutic effect, the …

Enhancing Sequence-Specific Cleavage of RNA within a Duplex Region: Incorporation of 1, 3-Propanediol Linkers into Oligonucleotide Conjugates of Serinol …

BN Trawick, TA Osiek, JK Bashkin - Bioconjugate Chemistry, 2001 - ACS Publications
The syntheses and RNA cleavage efficiencies of a new series of oligonucleotide conjugates
of Cu (II)− serinol− terpyridine and 1, 3-propanediol are reported. These reagents, termed …

RNA knockdown by synthetic peptidyl-oligonucleotide ribonucleases: behavior of recognition and cleavage elements under physiological conditions

M Gebrezgiabher, WA Zalloum, DJ Clarke… - Journal of …, 2021 - Taylor & Francis
Sequence-specific protein-based ribonucleases are not found in nature. Absolute sequence
selectivity in RNA cleavage in vivo normally requires multi-component complexes that recruit …

Site-selective artificial ribonucleases: Renaissance of oligonucleotide conjugates for irreversible cleavage of rna sequences

Y Staroseletz, S Gaponova, O Patutina, E Bichenkova… - Molecules, 2021 - mdpi.com
RNA-targeting therapeutics require highly efficient sequence-specific devices capable of
RNA irreversible degradation in vivo. The most developed methods of sequence-specific …

Native chemical ligation of hydrolysis-resistant 3′-Peptidyl–tRNA mimics

AS Geiermann, N Polacek, R Micura - Journal of the American …, 2011 - ACS Publications
Hydrolysis-resistant 3′-peptidyl–RNA conjugates that mimic tRNA termini represent a
remarkable synthetic challenge, particularly if they contain amino acids with complex side …

Sequence selective recognition of double-stranded RNA at physiologically relevant conditions using PNA-peptide conjugates

O Muse, T Zengeya, J Mwaura, D Hnedzko… - ACS chemical …, 2013 - ACS Publications
Conjugation of short peptide nucleic acids (PNA) with tetralysine peptides strongly
enhanced triple helical binding to RNA at physiologically relevant conditions. The PNA …