bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 26, 2024
Abstract
Recent
advances
have
allowed
for
the
detection
of
10,000
proteins
from
cultured
human
cell
samples,
such
as
HeLa
and
HEK293T
cells
in
a
single-shot
proteome
analysis.
However,
deeper
analysis
remains
challenging.
Therefore,
this
study,
we
aimed
to
perform
deep
proteomic
using
timsTOF
HT.
To
achieve
proteomics,
developed
Thin-diaPASEF,
parallel
accumulation-serial
fragmentation
(PASEF)
technology
featuring
thinly
divided
m/z
axis
only
regions
high
ion
density.
Furthermore,
60-cm
long
C18
column
with
particle
size
1.7
µm,
an
average
11,698,
11,615
11,019
unique
were
successfully
detected
500
ng
HEK293T,
K562
digests,
respectively,
100
min
active
gradient.
The
same
system
was
used
analyze
Lycopersicon
esculentum
lectin
(LEL)
enriched
plasma
serum.
LEL
method
identified
8,613
4,078
proteins,
serum,
respectively.
Our
ultra-deep
will
be
helpful
in-depth
comparison
medical
biological
research
because
it
enables
highly
coverage
single-shot.
Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Окт. 16, 2023
Introduction
Metaproteomics
is
a
rapidly
advancing
field
that
offers
unique
insights
into
the
taxonomic
composition
and
functional
activity
of
microbial
communities,
their
effects
on
host
physiology.
Classically,
data-dependent
acquisition
(DDA)
mass
spectrometry
(MS)
has
been
applied
for
peptide
identification
quantification
in
metaproteomics.
However,
DDA-MS
exhibits
well-known
limitations
terms
depth,
sensitivity,
reproducibility.
Consequently,
methodological
improvements
are
required
to
better
characterize
protein
landscape
microbiomes
interactions
with
host.
Methods
We
present
an
optimized
proteomic
workflow
utilizes
information
captured
by
Parallel
Accumulation-Serial
Fragmentation
(PASEF)
MS
comprehensive
metaproteomic
studies
complex
fecal
samples
mice.
Results
discussion
show
implementing
PASEF
using
DDA
scheme
(DDA-PASEF)
increased
up
5
times
reached
higher
accuracy
reproducibility
compared
previously
published
classical
data-independent
(DIA)
methods.
Furthermore,
we
demonstrate
combination
DIA,
PASEF,
neuronal-network-based
data
analysis,
was
superior
DDA-PASEF
all
mentioned
parameters.
Importantly,
DIA-PASEF
expanded
dynamic
range
towards
low-abundant
proteins
it
doubled
unknown
or
uncharacterized
functions.
Compared
previous
studies,
resulted
4
more
units
16
less
injected
peptides
shorter
chromatography
gradients.
Moreover,
131
additional
pathways
distributed
across
even
uniquely
identified
taxa
were
profiled
as
revealed
peptide-centric
taxonomic-functional
analysis.
tested
our
validated
preclinical
mouse
model
neuropathic
pain
assess
longitudinal
changes
host-gut
microbiome
associated
-
unexplored
topic
uncovered
significant
enrichment
two
bacterial
classes
upon
pain,
and,
addition,
upregulation
metabolic
activities
linked
chronic
well
various
hitherto
ones.
pain-associated
dynamics
proteome
complexes
implicated
crosstalk
between
immune
system
gut
microbiome.
In
conclusion,
presented
here
provides
stepping
stone
deeper
understanding
ecosystems
breadth
biomedical
biotechnological
fields.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 6, 2023
Abstract
Mass
spectrometry
(MS)-based
proteomics
aims
to
characterize
comprehensive
proteomes
in
a
fast
and
reproducible
manner.
Here,
we
present
an
ultra-fast
scanning
data-independent
acquisition
(DIA)
strategy
consisting
on
2-Th
precursor
isolation
windows,
dissolving
the
differences
between
data-dependent
independent
methods.
This
is
achieved
by
pairing
Quadrupole
Orbitrap
mass
spectrometer
with
asymmetric
track
lossless
(Astral)
analyzer
that
provides
>200
Hz
MS/MS
speed,
high
resolving
power
sensitivity,
as
well
low
ppm-mass
accuracy.
Narrow-window
DIA
enables
profiling
of
up
100
full
yeast
per
day,
or
∼10,000
human
proteins
half-an-hour.
Moreover,
multi-shot
fractionated
samples
allows
coverage
∼3h,
showing
comparable
depth
next-generation
RNA
sequencing
10x
higher
throughput
compared
current
state-of-the-art
MS.
High
quantitative
precision
accuracy
demonstrated
peptide
3-species
proteome
mixture,
quantifying
14,000+
single
run
Teaser
Accurate
precise
label-free
quantification
using
narrow-window
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(7)
Опубликована: Фев. 7, 2024
To
facilitate
analysis
and
sharing
of
mass
spectrometry
(MS)-based
proteomics
data,
we
created
online
tools
called
CURTAIN
(https://curtain.proteo.info)
CURTAIN-PTM
(https://curtainptm.proteo.info)
with
an
accompanying
series
video
tutorials
(https://www.youtube.com/@CURTAIN-me6hl).
These
are
designed
to
enable
non-MS
experts
interactively
peruse
volcano
plots
deconvolute
primary
experimental
data
so
that
replicates
can
be
visualized
in
bar
charts
or
violin
exported
publication-ready
format.
They
also
allow
assessment
overall
quality
by
correlation
matrix
profile
plot
analysis.
After
making
a
selection
protein
"hits",
the
user
analyze
known
domain
structure,
AlphaFold
predicted
reported
interactors,
relative
expression
as
well
disease
links.
permits
all
identified
PTM
sites
on
protein(s)
interest
selected
databases.
links
Kinase
Library
predict
upstream
kinases
may
phosphorylate
interest.
We
provide
examples
utility
analyzing
how
targeted
degradation
PPM1H
Rab
phosphatase
counteracts
Parkinson's
LRRK2
kinase
impacts
cellular
levels
phosphorylation
sites.
reanalyzed
ubiquitylation
dataset,
characterizing
PINK1-Parkin
pathway
activation
neurons,
revealing
not
highlighted
previously.
free
use
open
source,
enabling
researchers
share
maximize
impact
their
data.
advocate
MS
published
format
containing
shareable
weblink,
thereby
allowing
readers
better
exploit
Trends in Pharmacological Sciences,
Год журнала:
2023,
Номер
44(11), С. 786 - 801
Опубликована: Сен. 29, 2023
Targeted
protein
degradation
(TPD)
is
an
emerging
modality
for
research
and
therapeutics.
Most
TPD
approaches
harness
cellular
ubiquitin-dependent
proteolytic
pathways.
Proteolysis-targeting
chimeras
(PROTACs)
molecular
glue
(MG)
degraders
(MGDs)
represent
the
most
advanced
approaches,
with
some
already
used
in
clinical
settings.
Despite
these
advances,
still
faces
many
challenges,
pertaining
to
both
development
of
effective,
selective,
tissue-penetrant
understanding
their
mode
action.
In
this
review,
we
focus
on
progress
made
addressing
challenges.
particular,
discuss
utility
application
recent
proteomic
as
indispensable
tools
enable
insights
into
degrader
development,
including
target
engagement,
selectivity,
efficacy,
safety,
Journal of Proteome Research,
Год журнала:
2024,
Номер
23(6), С. 1871 - 1882
Опубликована: Май 7, 2024
The
coevolution
of
liquid
chromatography
(LC)
with
mass
spectrometry
(MS)
has
shaped
contemporary
proteomics.
LC
hyphenated
to
MS
now
enables
quantification
more
than
10,000
proteins
in
a
single
injection,
number
that
likely
represents
most
specific
human
cells
or
tissues.
Separations
by
ion
mobility
(IMS)
have
recently
emerged
complement
and
further
improve
the
depth
Given
theoretical
advantages
speed
robustness
IMS
comparison
LC,
we
envision
ongoing
improvements
paired
may
eventually
make
obsolete,
especially
when
combined
targeted
simplified
analyses,
such
as
rapid
clinical
proteomics
analysis
defined
biomarker
panels.
In
this
perspective,
describe
need
for
faster
might
drive
transition,
current
state
direct
infusion
proteomics,
discuss
some
technical
challenges
must
be
overcome
fully
complete
transition
entirely
gas
phase
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 2, 2024
Abstract
Mass
spectrometry
(MS)-based
proteomics
continues
to
evolve
rapidly,
opening
more
and
application
areas.
The
scale
of
data
generated
on
novel
instrumentation
acquisition
strategies
pose
a
challenge
bioinformatic
analysis.
Search
engines
need
make
optimal
use
the
for
biological
discoveries
while
remaining
statistically
rigorous,
transparent
performant.
Here
we
present
alphaDIA,
modular
open-source
search
framework
independent
(DIA)
proteomics.
We
developed
feature-free
identification
algorithm
particularly
suited
detecting
patterns
in
produced
by
sensitive
time-of-flight
instruments.
It
naturally
adapts
novel,
eTicient
scan
modes
that
are
not
yet
accessible
previous
algorithms.
Rigorous
benchmarking
demonstrates
competitive
quantification
performance.
While
supporting
empirical
spectral
libraries,
propose
new
strategy
named
end-to-end
transfer
learning
using
fully
predicted
libraries.
This
entails
continuously
optimizing
deep
neural
network
predicting
machine
experiment
specific
properties,
enabling
generic
DIA
analysis
any
post-translational
modification
(PTM).
AlphaDIA
provides
high
performance
running
locally
or
cloud,
community.