Orbitrap-based mass and charge analysis of single molecules

E Deslignière, A Rolland, EHTM Ebberink… - Accounts of chemical …, 2023 - ACS Publications
Conspectus Native mass spectrometry is nowadays widely used for determining the mass of
intact proteins and their noncovalent biomolecular assemblies. While this technology …

Ultralong transients enhance sensitivity and resolution in Orbitrap-based single-ion mass spectrometry

E Deslignière, VC Yin, EHTM Ebberink, AD Rolland… - Nature …, 2024 - nature.com
Orbitrap-based charge detection mass spectrometry utilizes single-molecule sensitivity to
enable mass analysis of even highly heterogeneous, high-mass macromolecular …

Assessing production variability in empty and filled adeno-associated viruses by single molecule mass analyses

EHTM Ebberink, A Ruisinger, M Nuebel… - … Therapy-Methods & …, 2022 - cell.com
Adeno-associated viruses (AAVs) are useful vehicles for gene therapy because of their
stability, low immunogenicity. and non-pathogenicity. However, disparity in AAV sample …

Mass spectrometry in gene therapy: Challenges and opportunities for AAV analysis

MAC Serrano, R Furman, G Chen, L Tao - Drug Discovery Today, 2023 - Elsevier
Highlights•The characterization of adeno-associated virus (AAV)-based gene therapy
products represents significant analytical challenges.•Recent advances in mass …

Exploring Charge-Detection Mass Spectrometry on Chromatographic Time Scales

L Strasser, F Füssl, TE Morgan, S Carillo… - Analytical …, 2023 - ACS Publications
Charge-detection mass spectrometry (CDMS) enables direct measurement of the charge of
an ion alongside its mass-to-charge ratio. CDMS offers unique capabilities for the analysis of …

Stability and dissociation of adeno-associated viral capsids by variable temperature-charge detection-mass spectrometry

MM Kostelic, JP Ryan, LS Brown, TW Jackson… - Analytical …, 2022 - ACS Publications
Adeno-associated viral (AAV) vectors have emerged as gene therapy and vaccine delivery
systems. Differential scanning fluorimetry or differential scanning calorimetry is commonly …

Not All Arms of IgM Are Equal: Following Hinge-Directed Cleavage by Online Native SEC-Orbitrap-Based CDMS

V Yin, E Deslignière, N Mokiem, I Gazi… - Journal of the …, 2024 - ACS Publications
Immunoglobulins M (IgM) are key natural antibodies produced initially in humoral immune
response. Due to their large molecular weights and extensive glycosylation loads, IgMs …

Production and characterization of an AAV1-VP3-only capsid: An analytical benchmark standard

M Mietzsch, W Liu, K Ma, A Bennett, AR Nelson… - … Therapy Methods & …, 2023 - cell.com
Adeno-associated viruses (AAVs) are non-enveloped ssDNA icosahedral T= 1 viruses used
as vectors for clinical gene delivery. Currently, there are over 200 AAV-related clinical trials …

Effects of molecular size on resolution in charge detection mass spectrometry

CC Harper, ZM Miller, H Lee, AJ Bischoff… - Analytical …, 2022 - ACS Publications
Instrumental resolution of Fourier transform-charge detection mass spectrometry instruments
with electrostatic ion trap detection of individual ions depends on the precision with which …

Development of an icIEF assay for monitoring AAV capsid proteins and application to gene therapy products

XZ He, TW Powers, S Huang, Z Liu, H Shi… - … Therapy Methods & …, 2023 - cell.com
Adeno-associated virus (AAV) gene therapy vectors, which contain a DNA transgene
packaged into a protein capsid, have shown tremendous therapeutic potential in recent …