Bioanalysis of oligonucleotide by LC–MS: effects of ion pairing regents and recent advances in ion-pairing-free analytical strategies

A Liu, M Cheng, Y Zhou, P Deng - International Journal of Molecular …, 2022 - mdpi.com
Oligonucleotides (OGNs) are relatively new modalities that offer unique opportunities to
expand the therapeutic targets. Reliable and high-throughput bioanalytical methods are …

Recent advances in therapeutic nucleic acids and their analytical methods

J Talap, J Zhao, M Shen, Z Song, H Zhou… - … of Pharmaceutical and …, 2021 - Elsevier
Therapeutic nucleic acids are various chemically modified RNA or DNA with different
functions, which mainly play roles at the gene level. Owing to its accurately targeting at …

[HTML][HTML] Analytical characterization of DNA and RNA oligonucleotides by hydrophilic interaction liquid chromatography-tandem mass spectrometry

M Huang, X Xu, H Qiu, N Li - Journal of Chromatography A, 2021 - Elsevier
Liquid chromatography-mass spectrometry has been widely implemented as a powerful tool
for providing in-depth characterization of nucleic acid therapeutic modalities, such as anti …

Characterization of mRNA therapeutics

GJ Guimaraes, J Kim, MG Bartlett - Mass Spectrometry Reviews, 2024 - Wiley Online Library
Therapeutic messenger RNAs (mRNAs) have emerged as powerful tools in the treatment of
complex diseases, especially for conditions that lack efficacious treatment. The successful …

[HTML][HTML] Regulatory guidelines and preclinical tools to study the biodistribution of RNA therapeutics

P Vervaeke, SE Borgos, NN Sanders… - Advanced Drug Delivery …, 2022 - Elsevier
The success of the messenger RNA-based COVID-19 vaccines of Moderna and
Pfizer/BioNTech marks the beginning of a new chapter in modern medicine. However, the …

Validation and application of hybridization liquid chromatography-tandem mass spectrometry methods for quantitative bioanalysis of antisense oligonucleotides

P Li, JF Dupuis, V Vrionis, K Mekhssian, T Magee… - Bioanalysis, 2022 - Taylor & Francis
Abstract Background: Antisense oligonucleotide (ASO), an emerging modality in drug
research and development, demands accurate and sensitive bioanalysis to understand its …

A novel hybridization LC-MS/MS methodology for quantification of siRNA in plasma, CSF and tissue samples

L Yuan, JF Dupuis, K Mekhssian - Molecules, 2023 - mdpi.com
Therapeutic oligonucleotides, such as antisense oligonucleotide (ASO) and small interfering
RNA (siRNA), are a new class of therapeutics rapidly growing in drug discovery and …

Improvement of serum sample preparation and chromatographic analysis of nusinersen used for the treatment of spinal muscular atrophy

S Studzińska, J Szymarek, M Mazurkiewicz-Bełdzińska - Talanta, 2024 - Elsevier
The present investigation showed that each of the three different liquid chromatography
modes may be successfully used for the qualitative analysis of nusinersen metabolites in a …

Oligonucleotides isolation and separation—a review on adsorbent selection

S Studzińska, Ł Nuckowski, B Buszewski - International Journal of …, 2022 - mdpi.com
Oligonucleotides have many important applications, including as primers in polymerase
chain reactions and probes for DNA sequencing. They are proposed as a diagnostic and …

Impact of nonspecific adsorption to metal surfaces in ion pair-RP LC-MS impurity analysis of oligonucleotides

GJ Guimaraes, JM Sutton, M Gilar, M Donegan… - … of Pharmaceutical and …, 2022 - Elsevier
Nonspecific adsorption has been a consistent challenge in the analysis of oligonucleotides.
Nonspecific adsorption is a result of interactions between charged acidic analytes and …