Annotation and structural elucidation of bovine milk oligosaccharides and determination of novel fucosylated structures

DL Aldredge, MR Geronimo, S Hua, CC Nwosu… - …, 2013 - academic.oup.com
Bovine milk oligosaccharides (BMOs) are recognized by the dairy and food industries, as
well as by infant formula manufacturers, as novel, high-potential bioactive food ingredients. …

Comparison of the human and bovine milk N-glycome via high-performance microfluidic chip liquid chromatography and tandem mass spectrometry

CC Nwosu, DL Aldredge, H Lee, LA Lerno… - Journal of proteome …, 2012 - ACS Publications
The isolation of whey proteins from human and bovine milks followed by profiling of their entire
N-glycan repertoire is described. Whey proteins resulting from centrifugation and ethanol …

[HTML][HTML] Endo-β-N-acetylglucosaminidases from infant gut-associated bifidobacteria release complex N-glycans from human milk glycoproteins

D Garrido, C Nwosu, S Ruiz-Moyano… - Molecular & Cellular …, 2012 - ASBMB
Breastfeeding is one of the main factors guiding the composition of the infant gut microbiota
in the first months of life. This process is shaped in part by the high amounts of human milk …

Simultaneous and extensive site-specific N-and O-glycosylation analysis in protein mixtures

CC Nwosu, RR Seipert, JS Strum, SS Hua… - Journal of proteome …, 2011 - ACS Publications
Extensive site-specific glycosylation analysis of individual glycoproteins is difficult due to the
nature and complexity of glycosylation in proteins. In protein mixtures, these analyses are …

Site-specific protein glycosylation analysis with glycan isomer differentiation

S Hua, CC Nwosu, JS Strum, RR Seipert, HJ An… - Analytical and …, 2012 - Springer
Glycosylation is one of the most common yet diverse post-translational modifications. Information
on glycan heterogeneity and glycosite occupancy is increasingly recognized as crucial …

Automated assignments of N-and O-site specific glycosylation with extensive glycan heterogeneity of glycoprotein mixtures

JS Strum, CC Nwosu, S Hua, SR Kronewitter… - Analytical …, 2013 - ACS Publications
Site-specific glycosylation (SSG) of glycoproteins remains a considerable challenge and limits
further progress in the areas of proteomics and glycomics. Effective methods require new …

Assignment of core versus antenna fucosylation types in protein N-glycosylation via procainamide labeling and tandem mass spectrometry

C Nwosu, HK Yau, S Becht - Analytical chemistry, 2015 - ACS Publications
Fucosylation is an important feature of protein N-glycosylation as it has been reported to
influence the efficacy of therapeutic proteins and as a potential disease biomarker. A common …

Enhanced detection and identification of glycopeptides in negative ion mode mass spectrometry

CC Nwosu, JS Strum, HJ An, CB Lebrilla - Analytical chemistry, 2010 - ACS Publications
A combined mass spectrometry (MS) and tandem mass spectrometry (MS/MS) approach
implemented with matrix-assisted laser desorption ionization Fourier transform ion cyclotron …

Glyco-analytical multispecific proteolysis (Glyco-AMP): a simple method for detailed and quantitative Glycoproteomic characterization

…, SM Totten, MJ Oh, N Yun, CC Nwosu… - Journal of proteome …, 2013 - ACS Publications
Despite recent advances, site-specific profiling of protein glycosylation remains a significant
analytical challenge for conventional proteomic methodology. To alleviate the issue, we …

In-gel nonspecific proteolysis for elucidating glycoproteins: a method for targeted protein-specific glycosylation analysis in complex protein mixtures

CC Nwosu, J Huang, DL Aldredge, JS Strum… - Analytical …, 2013 - ACS Publications
Determining protein-specific glycosylation in protein mixtures remains a difficult task. A common
approach is to use gel electrophoresis to isolate the protein followed by glycan release …