Decoding Sugars: Mass Spectrometric Advances in the Analysis of the Sugar Alphabet
Jitske M. van Ede,
No information about this author
Dinko Šoić,
No information about this author
Martin Pabst
No information about this author
et al.
Mass Spectrometry Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
ABSTRACT
Monosaccharides
play
a
central
role
in
metabolic
networks
and
the
biosynthesis
of
glycomolecules,
which
perform
essential
functions
across
all
domains
life.
Thus,
identifying
quantifying
these
building
blocks
is
crucial
both
research
industry.
Routine
methods
have
been
established
to
facilitate
analysis
common
monosaccharides.
However,
despite
presence
metabolites,
most
organisms
utilize
distinct
sets
monosaccharides
derivatives.
These
molecules
therefore
display
large
diversity,
potentially
numbering
hundreds
or
thousands,
with
many
still
unknown.
This
complexity
presents
significant
challenges
study
particularly
microbes,
including
pathogens
those
potential
serve
as
novel
model
organisms.
review
discusses
mass
spectrometric
techniques
for
isomer‐sensitive
monosaccharides,
their
derivatives,
activated
forms.
Although
spectrometry
allows
untargeted
sensitive
detection
complex
matrices,
stereoisomers
extensive
modifications
necessitates
integration
advanced
chromatographic,
electrophoretic,
ion
mobility,
spectroscopic
methods.
Furthermore,
stable‐isotope
incorporation
studies
are
critical
elucidating
biosynthetic
routes
Language: Английский
Advanced Mass Spectrometry Techniques for the Characterization of Carbohydrates
Handbook of experimental pharmacology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Integrating the analysis of human biopsies using post‐translational modifications proteomics
Sonali Bhardwaj,
No information about this author
Mitchell Bulluss,
No information about this author
Ana D’Aubeterre
No information about this author
et al.
Protein Science,
Journal Year:
2024,
Volume and Issue:
33(4)
Published: March 27, 2024
Abstract
Proteome
diversities
and
their
biological
functions
are
significantly
amplified
by
post‐translational
modifications
(PTMs)
of
proteins.
Shotgun
proteomics,
which
does
not
typically
survey
PTMs,
provides
an
incomplete
picture
the
complexity
human
biopsies
in
health
disease.
Recent
advances
mass
spectrometry‐based
proteomic
techniques
that
enrich
study
PTMs
helping
to
uncover
molecular
detail
from
cellular
level
system‐wide
functions,
including
how
microbiome
impacts
diseases.
Protein
heterogeneity
disease
challenging
factors
make
it
difficult
characterize
treat
The
search
for
clinical
biomarkers
mechanisms
related
patient
diagnoses
treatment
has
proven
challenging.
Knowledge
is
fundamentally
lacking.
Characterization
complex
samples
clarify
role
diseases
will
result
new
discoveries.
This
review
highlights
key
used
unknown
derived
biopsies.
Through
integration
diverse
methods
profile
this
explores
genetic
regulation
proteoforms,
cells
origin
expressing
specific
proteins,
several
bioactive
subsequent
analyses
liquid
chromatography
tandem
spectrometry.
Language: Английский
Optimization of glycopeptide enrichment techniques for the identification of clinical biomarkers
Expert Review of Proteomics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
The
identification
and
characterization
of
glycopeptides
through
LC-MS/MS
advanced
enrichment
techniques
are
crucial
for
advancing
clinical
glycoproteomics,
significantly
impacting
the
discovery
disease
biomarkers
therapeutic
targets.
Despite
progress
in
methods
like
Lectin
Affinity
Chromatography
(LAC),
Hydrophilic
Interaction
Liquid
(HILIC),
Electrostatic
Repulsion
(ERLIC),
issues
with
specificity,
efficiency,
scalability
remain,
impeding
thorough
analysis
complex
glycosylation
patterns
understanding.
Language: Английский
CoNglyPred: Accurate Prediction of N‐Linked Glycosylation Sites Using ESM‐2 and Structural Features With Graph Network and Co‐Attention
Hongmei Wang,
No information about this author
Long Zhao,
No information about this author
Ziyuan Yu
No information about this author
et al.
PROTEOMICS,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
ABSTRACT
N‐Linked
glycosylation
is
crucial
for
various
biological
processes
such
as
protein
folding,
immune
response,
and
cellular
transport.
Traditional
experimental
methods
determining
N‐linked
sites
entail
substantial
time
labor
investment,
which
has
led
to
the
development
of
computational
approaches
a
more
efficient
alternative.
However,
due
limited
availability
3D
structural
data,
existing
prediction
often
struggle
fully
utilize
information
fall
short
in
integrating
sequence
effectively.
Motivated
by
progress
pretrained
language
models
(pLMs)
breakthrough
structure
prediction,
we
introduced
high‐accuracy
model
called
CoNglyPred.
Having
compared
pLMs,
opt
large‐scale
pLM
ESM‐2
extract
embeddings,
thus
mitigating
certain
limitations
associated
with
manual
feature
extraction.
Meanwhile,
our
approach
employs
graph
transformer
network
process
structures
predicted
AlphaFold2.
The
final
output
embedding
are
intricately
integrated
through
co‐attention
mechanism.
Among
series
comprehensive
experiments
on
independent
test
dataset,
CoNglyPred
outperforms
state‐of‐the‐art
demonstrates
exceptional
performance
case
study.
In
addition,
first
report
uncertainty
predictors
using
expected
calibration
error
error.
Language: Английский