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Glycosylation and Glycoproteins Research
Research Guide
What is Glycosylation and Glycoproteins Research?
Glycosylation and Glycoproteins Research is the study of glycosylation as a post-translational modification where glycans are covalently attached to proteins, exploring its roles in health, disease, cancer, immune function, and therapeutic applications.
This field encompasses 146,565 works on protein glycosylation, glycans, sialic acids, mucins, and their interactions with cellular mechanisms. Research addresses biological functions of glycans in cancer progression and immune responses. Key methods include protein analysis techniques like those in 'PROTEIN MEASUREMENT WITH THE FOLIN PHENOL REAGENT' (Lowry et al., 1951, 317182 citations) and electrophoretic transfers from 'Electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets: procedure and some applications.' (Towbin et al., 1979, 53743 citations).
Topic Hierarchy
Research Sub-Topics
Protein N-Glycosylation
Protein N-glycosylation research focuses on the biosynthesis, processing, and functions of N-linked glycans on asparagine residues. Studies elucidate glycan-mediated protein folding, trafficking, and cell adhesion in disease contexts.
O-GlcNAc Glycosylation
O-GlcNAc glycosylation investigates dynamic cycling of single GlcNAc on serine/threonine residues, competing with phosphorylation. Researchers map O-GlcNAc sites and regulatory roles in nutrient sensing and neurodegeneration.
Glycosylation in Cancer
Glycosylation in cancer examines tumor-associated glycan alterations, including sialylation and fucosylation changes promoting immune evasion. Glycoproteomic profiling identifies diagnostic biomarkers and therapeutic targets.
Mucin Glycoproteins
Mucin glycoproteins research covers heavily O-glycosylated mucins in mucus barriers and their aberrant expression in cancers. Structural studies reveal glycodomain conformations and lectin interactions.
Sialic Acids in Glycobiology
Sialic acids in glycobiology explores terminal sialylation functions in cell recognition, viral tropism, and immune modulation. Metabolic labeling tracks sialic acid incorporation and desialylation enzymes.
Why It Matters
Glycosylation influences protein folding, trafficking, and function, with defects causing congenital disorders of glycosylation (CDGs). Glycomine raised $115M for Phase IIb trials of GLM101 to treat CDGs. In cancer, large-scale serum N-glycomics tracks N-glycosylation changes in hepatocellular carcinoma (HCC). Asymmetrically glycosylated IgG1 antibodies drive human disease, as shown in recent preprints. Therapeutic monoclonal antibodies like cetuximab exhibit N-glycosylation in the Fab domain during biomanufacturing. Tools like Glycosylator enable glycan modeling on protein structures for drug development.
Reading Guide
Where to Start
'PROTEIN MEASUREMENT WITH THE FOLIN PHENOL REAGENT' (Lowry et al., 1951) because it provides the foundational protein quantification method (317182 citations) essential for initial glycoprotein assays.
Key Papers Explained
'PROTEIN MEASUREMENT WITH THE FOLIN PHENOL REAGENT' (Lowry et al., 1951) establishes protein measurement basics, extended by 'Electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets: procedure and some applications.' (Towbin et al., 1979) for glycoprotein blotting. MUSCLE (Edgar, 2004) and 'Fast, scalable generation of high‐quality protein multiple sequence alignments using Clustal Omega' (Sievers et al., 2011) enable sequence analysis for glycosylation sites. 'Comparative Protein Modelling by Satisfaction of Spatial Restraints' (Săli and Blundell, 1993) and 'The SWISS-MODEL workspace: a web-based environment for protein structure homology modelling' (Arnold et al., 2005) model glycoprotein structures.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Preprints like 'A comprehensive N-glycoproteome atlas reveals tissue-specific glycan remodeling but non-random structural microheterogeneities' map tissue glycoproteomes. 'Structural basis of regulated N-glycosylation at the secretory translocon' elucidates ER mechanisms. GlycoWrite and GLYCO-BUILD advance cell-free glycan engineering, with Glycomine’s GLM101 in Phase IIb for CDGs.
Papers at a Glance
In the News
Glycomine Raises $115M for Phase IIb of Genetic ...
itself as a frontrunner in the fight against rare diseases, specifically, congenital disorders of glycosylation (CDGs). The financing will help get Glycomine’s lead program, GLM101, a groundbreakin...
GlycoWrite: custom designed fermenter with a novel cell ...
The GlycoWrite project aims to overcome this bottleneck by developing the first cell-free system capable of generating user-defined glycosylation patterns, mimicking the functional sophistication o...
Large-scale serum N-glycomics tracks N-glycosylation ...
Hepatocellular carcinoma (HCC) is a leading cause of cancer mortality, yet the role of*N-*glycosylation in its pathogenesis remains unclear. We applied a multi-center, large-cohort*N*-glycomics str...
Cancer Glyco-X 2026: Intersections of Cancer and ...
The study of glycosylation offers exciting new opportunities to improve cancer detection and treatment. By bringing together scientists across the cancer and glycoscience fields, _Cancer Glyco-X_ a...
News / Job Opportunities – Glyco@Oz
Call for 9 PhD fellowships within the MSCA DN project GLYCO-N: GLYCOprotein N-glycosylation from non-life to eukaryotes a Doctoral Network to expand the knowledge on a ubiquitous post-translational...
Code & Tools
Glycosylator is a Python framework for the identification, modeling and modification of glycans in protein structure. It can be used directly in a ...
Glycosylator is a Python framework for the identification, modeling and
The Python software re-glycosylates protein structures using MD simulation results from the glycoshape database. It takes alphafold protein structu...
This repository contain the codebase for GlycoShape website along with the data used for analysis in the paper.
Python module for retieving, parsing, writing, aligning, and manipulating glycan structrures ## About Python module for parsing, writing, aligning,...
Recent Preprints
A comprehensive N -glycoproteome atlas reveals tissue-specific glycan remodeling but non-random structural microheterogeneities
findings. Before final publication, the manuscript will undergo further editing. Please note there may be errors present which affect the content, and all legal disclaimers apply. ### Subjects * Gl...
GLYCO-BUILD: an enzymatic pipeline for the synthesis of peptides carrying eukaryotic N-glycans
27. Wang, L. X. Chemoenzymatic synthesis of glycopeptides and glycoproteins through endoglycosidase-catalyzed transglycosylation. _Carbohydr. Res._ **343**, 1509–1522 (2008). Google Scholar
Asymmetrically glycosylated IgG1 antibodies are universal and drive human disease
*N*-linked glycosylation is an essential post-translational modification present on numerous human proteins, in which glycans are attached to the nitrogen atom of an asparagine (Asn) residue when t...
Structural basis of regulated N-glycosylation at the secretory translocon
Protein N-glycosylation is catalysed by OST complexes in the ER membrane. About 20% of human proteins are modified with N-glycans, which affect their folding, degradation, trafficking and function ...
On the achievable consistency of glycan distribution in biomanufacturing of therapeutic mAbs
more complex mAbs the Fab domain ( _e.g_., cetuximab) 1 , undergo N-glycosylation as part of post-translational modifications (PTMs) in the endoplasmic reticulum (ER) and Golgi apparatus. This proc...
Latest Developments
Recent developments in glycosylation and glycoproteins research include the publication of a comprehensive N-glycoproteome atlas revealing tissue-specific glycan remodeling across 24 mouse tissues as of January 13, 2026 (nature.com) and advancements in glycoprotein synthesis, such as the development of the GLYCO-BUILD enzymatic pipeline for producing homogeneous N-glycans on peptides, published in November 2025 (nature.com). Additionally, studies are exploring glycomics dynamics in disease contexts, such as serum N-glycomics for early cancer diagnosis (nature.com), and structural insights into regulated N-glycosylation processes (nature.com).
Sources
Frequently Asked Questions
What is the role of N-glycosylation in human proteins?
N-glycosylation attaches glycans to asparagine residues in the NXT/S motif, affecting protein folding, degradation, trafficking, and function. About 20% of human proteins are N-glycosylated by OST complexes in the ER membrane. Defects lead to congenital disorders of glycosylation.
How does glycosylation relate to cancer?
Altered N-glycosylation patterns occur in hepatocellular carcinoma, tracked via large-scale serum N-glycomics. Glycans influence cancer detection and treatment, as highlighted in Cancer Glyco-X 2026. Asymmetrically glycosylated IgG1 antibodies contribute to disease progression.
What methods measure protein glycosylation?
'PROTEIN MEASUREMENT WITH THE FOLIN PHENOL REAGENT' (Lowry et al., 1951) provides a standard for protein quantification in glycosylation studies. 'Electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets: procedure and some applications.' (Towbin et al., 1979) enables Western blotting of glycoproteins. Sequence alignment tools like MUSCLE (Edgar, 2004) support glycoproteomic analysis.
What are current therapeutic applications?
Glycomine’s GLM101 advances to Phase IIb for CDGs with $115M funding. GlycoWrite develops cell-free systems for custom glycosylation in therapeutics. Preprints address glycan consistency in mAb biomanufacturing, such as cetuximab.
What tools support glycosylation research?
Glycosylator is a Python framework for modeling and modifying glycans on protein structures. Re-Glyco re-glycosylates AlphaFold structures using GlycoShape database MD simulations. PyGly parses, writes, aligns, and manipulates glycan structures.
What is the current state of N-glycoproteomics?
'A comprehensive N-glycoproteome atlas reveals tissue-specific glycan remodeling but non-random structural microheterogeneities' maps glycan variations across tissues. Studies show non-random microheterogeneities in glycan structures. This advances glycomics and proteomics integration.
Open Research Questions
- ? How can glycan distribution consistency be achieved in biomanufacturing of complex therapeutic mAbs like cetuximab?
- ? What structural mechanisms regulate N-glycosylation at the secretory translocon?
- ? How do tissue-specific glycan remodeling and microheterogeneities influence disease pathology?
- ? What drives asymmetric glycosylation in IgG1 antibodies and its disease implications?
- ? How can enzymatic pipelines like GLYCO-BUILD scale for synthesizing eukaryotic N-glycans on peptides?
Recent Trends
Preprints from late 2025 to early 2026 focus on N-glycoproteome atlases showing tissue-specific remodeling and microheterogeneities.
GlycoWrite introduces cell-free custom glycosylation systems mimicking the Golgi.
Glycomine secured $115M for GLM101 Phase IIb in CDGs.
Cancer glycomics tracks HCC via serum N-glycomics, with Cancer Glyco-X 2026 fostering interdisciplinary work.
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