Journal of Proteome Research,
Год журнала:
2024,
Номер
24(1), С. 202 - 209
Опубликована: Ноя. 27, 2024
Protein
N-glycosylation
is
vital
in
the
human
liver
and
influences
functions
such
as
lipid
metabolism,
apoptosis,
inflammation.
However,
site-specific
patterns
variations
biopsy
samples
between
healthy
individuals
those
with
nonalcoholic
fatty
disease
(NAFLD)
remain
incompletely
characterized,
primarily
due
to
limitations
of
current
clinical
glycoproteomic
methods,
including
a
large
demand
for
samples,
low
efficiency
tissue
protein
extraction,
recovery
rate
intact
N-glycopeptides
(IGPs).
To
address
this
issue,
we
developed
GlycoPCT,
quantitative
method
based
on
pressure
cycling
technology.
It
enables
efficient
IGPs
accurate
analysis
trace
samples.
Our
research
revealed
total
4,459
unique
361
glycans
from
758
glycoproteins.
High-mannose
type,
complex
fucosylation
sialylation
type
N-glycans
were
significantly
upregulated
NAFLD
group
(p
<
0.001,
t
test).
Notably,
also
identified
182
67
proteins
0.05,
FC
>
1.50)
108
downregulated
44
0.67)
group.
Furthermore,
highlighted
an
essential
acute
phase
glycoprotein,
alpha-1-acid
glycoprotein
1
(A1TA),
which
synthesized
plays
significant
role
progression.
These
novel
glyco-signatures
provide
crucial
clues
diagnosis
pathogenesis
NAFLD.
Journal of Proteome Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 10, 2024
The
FragPipe
computational
proteomics
platform
is
gaining
widespread
popularity
among
the
research
community
because
of
its
fast
processing
speed
and
user-friendly
graphical
interface.
Although
produces
well-formatted
output
tables
that
are
ready
for
analysis,
there
still
a
need
an
easy-to-use
downstream
statistical
analysis
visualization
tool.
FragPipe-Analyst
addresses
this
by
providing
R
shiny
web
server
to
assist
users
in
conducting
analyses
resulting
quantitative
data.
It
supports
major
quantification
workflows,
including
label-free
quantification,
tandem
mass
tags,
data-independent
acquisition.
offers
range
useful
functionalities,
such
as
various
missing
value
imputation
options,
data
quality
control,
unsupervised
clustering,
differential
expression
(DE)
using
Limma,
gene
ontology
pathway
enrichment
Enrichr.
To
support
advanced
customized
visualizations,
we
also
developed
FragPipeAnalystR,
package
encompassing
all
functionalities
extended
site-specific
post-translational
modifications
(PTMs).
FragPipeAnalystR
both
open-source
freely
available.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 11, 2024
ABSTRACT
The
FragPipe
computational
proteomics
platform
is
gaining
widespread
popularity
among
the
research
community
because
of
its
fast
processing
speed
and
user-friendly
graphical
interface.
Although
produces
well-formatted
output
tables
that
are
ready
for
analysis,
there
still
a
need
an
easy-to-use
downstream
statistical
analysis
visualization
tool.
FragPipe-Analyst
addresses
this
by
providing
R
shiny
web
server
to
assist
users
in
conducting
analyses
resulting
quantitative
data.
It
supports
major
quantification
workflows
including
label-free
quantification,
tandem
mass
tags,
data-independent
acquisition.
offers
range
useful
functionalities,
such
as
various
missing
value
imputation
options,
data
quality
control,
unsupervised
clustering,
differential
expression
(DE)
using
Limma,
gene
ontology
pathway
enrichment
Enrichr.
To
support
advanced
customized
visualizations,
we
also
developed
FragPipeAnalystR,
package
encompassing
all
functionalities
extended
site-specific
post-translational
modifications
(PTMs).
FragPipeAnalystR
both
open-source
freely
available.
Biophysics Reports,
Год журнала:
2025,
Номер
11(1), С. 56 - 56
Опубликована: Янв. 1, 2025
Advancements
in
molecular
characterization
technologies
have
accelerated
targeted
cancer
therapy
research
at
unprecedented
resolution
and
dimensionality.
Integrating
comprehensive
multi-omic
profiling
of
a
tumor,
proteogenomics,
marks
transformative
milestone
for
preclinical
research.
In
this
paper,
we
initially
provided
an
overview
proteogenomics
research,
spanning
genomics,
transcriptomics,
proteomics.
Subsequently,
the
applications
were
introduced
examined
from
different
perspectives,
including
but
not
limited
to
genetic
alterations,
quantifications,
single-cell
patterns,
post-translational
modification
levels,
subtype
signatures,
immune
landscape.
We
also
paid
attention
combined
multi-omics
data
analysis
pan-cancer
analysis.
This
paper
highlights
crucial
role
elucidating
mechanisms
tumorigenesis,
discovering
effective
therapeutic
targets
promising
biomarkers,
developing
subtype-specific
therapies.
Cancers,
Год журнала:
2025,
Номер
17(2), С. 326 - 326
Опубликована: Янв. 20, 2025
Renal
cell
carcinoma
(RCC)
is
a
heterogeneous
disease
that
represents
the
most
common
type
of
kidney
cancer.
The
classification
RCC
primarily
based
on
distinct
morphological
and
molecular
characteristics,
with
two
broad
categories:
clear
(ccRCC)
non-clear
(nccRCC).
Clear
predominant
subtype,
representing
about
70–80%
all
cases,
while
subtypes
collectively
make
up
remaining
20–30%.
Non-clear
encompasses
many
histopathological
variants,
each
unique
biological
clinical
characteristics.
Additionally,
any
subtype
can
undergo
sarcomatoid
dedifferentiation,
which
associated
poor
prognosis
rapid
progression.
Recent
advances
in
profiling
have
also
led
to
identification
molecularly
defined
further
highlighting
complexity
this
disease.
While
immunotherapy
has
shown
efficacy
some
variants
subpopulations,
significant
gaps
remain
treatment
rare
subtypes.
This
review
explores
outcomes
across
subtypes,
including
highlights
opportunities
for
improving
care
through
novel
therapies,
biomarker-driven
approaches,
inclusive
trial
designs.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
Abstract
In
this
study,
we
generated
label-free
data-independent
acquisition
(DIA)-based
liquid
chromatography
(LC)-mass
spectrometry
(MS)
proteomics
data
from
261
renal
cell
carcinomas
(RCC)
and
195
normal
adjacent
tissues
(NAT).
The
RCC
tumors
included
48
non-clear
(non-ccRCC)
213
ccRCC.
A
total
of
219,740
peptides
11,943
protein
groups
were
identified
with
9,787
per
sample
on
average.
We
adopted
a
comprehensive
approach
to
select
representative
samples
different
mutation
sites,
considering
histopathological,
immune,
methylation,
non-negative
matrix
factorization
(NMF)-based
subtypes,
along
clinical
characteristics
(gender,
grade,
stage)
capture
the
complexity
diversity
ccRCC
tumors.
used
machine
learning
55
signatures
that
distinguish
NATs.
Furthermore,
39
differentiate
tumor
subtypes
also
identified.
Our
findings
offer
an
extensive
perspective
proteomic
landscape
in
RCC,
illuminating
specific
proteins
serve
NATs
among
various
subtypes.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Identifying
novel
peptides
arising
from
alternative
splicing,
mutations,
or
non-canonical
translations
is
a
crucial
yet
challenging
aspect
of
proteogenomics.
We
introduce
PepCentric,
scalable
computational
platform
and
web-based
portal
utilizing
advanced
2-D
fragment
indexing
for
rapid
peptide-centric
searches
across
extensive
mass
spectrometry
datasets.
With
robust
false
discovery
rate
control
optimized
search
performance,
PepCentric
offers
an
efficient
tool
validating
exploring
proteomic
variations.
In
matter
seconds,
users
can
their
proteins
against
2.3
billion
spectra
collected
66700
runs,
making
it
practical
to
rapidly
validate
proteogenomic
hypotheses.
Current Opinion in Oncology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Purpose
of
review
This
focuses
on
contemporary
research
into
potential
prognostic
and
therapeutic
biomarkers
for
advanced
renal
cell
carcinoma
(RCC)
published
over
the
past
18
months.
Beyond
serum
lab
values,
there
is
no
consensus
use
specific
this
purpose.
Potential
being
investigated
consist
genetic,
protein,
immunologic,
radiologic
candidates.
Recent
findings
New
insights
in
genomic
include
a
better
understanding
VHL
mutational
heterogeneity,
tumor
burden,
importance
genes
like
PBRM1
SETD2
.
Protein
such
as
C-reactive
protein
(CRP)
PDZK1
have
demonstrated
utility
predicting
disease
progression,
response,
survival,
while
immunologic
PSMD2,
cytokines,
Tregs
continue
to
shed
light
microenvironment
immune
evasion.
Emerging
imaging
biomarkers,
from
CAIX-targeted
radiotracers
PSMA-based
PET-CT,
offer
noninvasive
diagnostic
tools
that
may
revolutionize
RCC
management.
Summary
There
are
several
promising
currently
under
investigation
RCC.
Expert Review of Molecular Diagnostics,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Breast
cancer
remains
a
major
global
health
challenge.
While
advances
in
precision
oncology
have
contributed
to
improvements
patient
outcomes
and
provided
deeper
understanding
of
the
biological
mechanisms
that
drive
disease,
historically,
research
patients'
allocation
treatment
heavily
relied
on
single-omic
approaches,
analyzing
individual
molecular
dimensions
such
as
genomics,
transcriptomics,
or
proteomics.
these
deep
insights
into
breast
biology,
they
often
fail
offer
complete
disease's
complex
landscape.
In
this
review,
authors
explore
recent
advancements
multi-omic
realm
using
clinical
data
show
how
integration
can
more
holistic
alterations
their
functional
consequences
underlying
cancer.
The
overall
developments
AI
are
expected
complement
diagnostics
through
potentially
refining
prognostic
models,
selection.
Overcoming
challenges
cost,
complexity,
lack
standardization
is
crucial
for
unlocking
full
potential
multi-omics
care
enable
advancement
personalized
treatments
improve
outcomes.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Апрель 8, 2025
Abstract
Liquid
chromatography-mass
spectrometry
based
proteomics,
particularly
in
the
bottom-up
approach,
relies
on
digestion
of
proteins
into
peptides
for
subsequent
separation
and
analysis.
The
most
prevalent
method
identifying
from
data-dependent
acquisition
mass
data
is
database
search.
Traditional
tools
typically
focus
a
single
peptide
per
tandem
spectrum,
often
neglecting
frequent
occurrence
co-fragmentations
leading
to
chimeric
spectra.
Here,
we
introduce
MSFragger-DDA+,
search
algorithm
that
enhances
identification
by
detecting
co-fragmented
with
high
sensitivity
speed.
Utilizing
MSFragger’s
fragment
ion
indexing
algorithm,
MSFragger-DDA+
performs
comprehensive
within
full
isolation
window
each
followed
robust
feature
detection,
filtering,
rescoring
procedures
refine
results.
Evaluation
against
established
across
diverse
datasets
demonstrated
that,
integrated
FragPipe
computational
platform,
significantly
increases
while
maintaining
stringent
false
discovery
rate
control.
It
also
uniquely
suited
wide-window
data.
provides
an
efficient
accurate
solution
identification,
enhancing
detection
low-abundance
peptides.
Coupled
enables
more
analysis
proteomics