An introduction to bacterial biofilms and their proteases, and their roles in host infection and immune evasion

JS Ramírez-Larrota, U Eckhard - Biomolecules, 2022 - mdpi.com
Bacterial biofilms represent multicellular communities embedded in a matrix of extracellular
polymeric substances, conveying increased resistance against environmental stress factors …

Human IgG Subclasses Differ in the Structural Elements of Their N-Glycosylation

W Wang, JCL Maliepaard, T Damelang… - ACS Central …, 2024 - ACS Publications
Although immunoglobulin G (IgG) harbors just one N-glycosylation site per heavy chain, this
glycosylation plays a key role in modulating its function. In human serum, IgG is classified …

Proteolytic Profiling of Streptococcal Pyrogenic Exotoxin B (SpeB) by Complementary HPLC-MS Approaches

C Blöchl, C Holzner, M Luciano, R Bauer… - International Journal of …, 2021 - mdpi.com
Streptococcal pyrogenic exotoxin B (SpeB) is a cysteine protease expressed during group A
streptococcal infection that represents a major virulence factor. Although subject to several …

Direct Comparison of the Hinge-Cleaving Proteases IgdE and BdpK for LC-MS-Based IgG1 Clonal Profiling

DMH van Rijswijck, A Bondt, N de Kat, R Lood… - Analytical …, 2023 - ACS Publications
Human antibodies are heterogeneous molecules primarily due to clonal sequence
variations. Analytical techniques to assess antibody levels quantitatively, such as ELISA …

[HTML][HTML] Multi-attribute monitoring applications in biopharmaceutical analysis

AS Rathore, D Sarin, S Bhattacharya… - Journal of Chromatography …, 2024 - Elsevier
Since the introduction of Quality by Design for production of biopharmaceuticals, the global
biopharma industry has been advancing towards developing highly efficient and sensitive …

[HTML][HTML] A robust nanoscale RP HPLC-MS approach for sensitive Fc proteoform profiling of IgG allotypes

C Blöchl, C Gstöttner, T Sénard, EM Stork… - Analytica Chimica …, 2023 - Elsevier
The conserved region (Fc) of IgG antibodies dictates the interactions with designated
receptors thus defining the immunological effector functions of IgG. Amino acid sequence …

Discovery and characterization of synthesized and FDA-approved inhibitors of clostridial and bacillary collagenases

A Alhayek, AS Abdelsamie, E Schönauer… - Journal of Medicinal …, 2022 - ACS Publications
In view of the worldwide antimicrobial resistance (AMR) threat, new bacterial targets and anti-
infective agents are needed. Since important roles in bacterial pathogenesis have been …

Mass spectrometry-based analysis of IgG glycosylation and its applications

X Liu, Z Sun, Z Li, Y Zhang, H Lu - International Journal of Mass …, 2022 - Elsevier
Human immunoglobulin G (IgG), which is a major class of globulin antibodies with a typical
immunoglobulin monomer structure, is mainly involved in immune activities such as binding …

Inline electrochemical reduction of NISTmAb for middle-up subunit liquid chromatography-mass spectrometry analysis

TE Morgan, C Jakes, HJ Brouwer, S Millán-Martín… - Analyst, 2021 - pubs.rsc.org
Disulfide bond reduction within antibody mass spectrometry workflows is typically carried out
using chemical reducing agents to produce antibody subunits for middle-down and middle …

Legumain Functions as a Transient TrkB Sheddase

C Holzner, K Böttinger, C Blöchl, CG Huber… - International Journal of …, 2023 - mdpi.com
While primarily found in endo-lysosomal compartments, the cysteine protease legumain can
also translocate to the cell surface if stabilized by the interaction with the RGD-dependent …