Proteomic profiling of mesenchymal stem cell‐derived extracellular vesicles: Impact of isolation methods on protein cargo
Journal of Extracellular Biology,
Journal Year:
2024,
Volume and Issue:
3(6)
Published: June 1, 2024
Abstract
Extracellular
vesicles
(EVs)
are
nanosized
with
a
lipid
bilayer
that
secreted
by
cells
and
play
critical
role
in
cell‐to‐cell
communication.
Despite
the
promising
reports
regarding
their
diagnostic
therapeutic
potential,
utilization
of
EVs
clinical
setting
is
limited
due
to
insufficient
information
about
cargo
lack
standardization
isolation
analysis
methods.
Considering
protein
cargos
as
key
contributors
potency,
we
conducted
tandem
mass
tag
(TMT)
quantitative
proteomics
three
subpopulations
mesenchymal
stem
cell
(MSC)‐derived
obtained
through
different
techniques:
ultracentrifugation
(UC),
high‐speed
centrifugation
(HS),
on
sucrose
cushion
(SU).
Subsequently,
checked
EV
marker
expression,
size
distribution,
morphological
characterization,
followed
bioinformatic
analysis.
The
proteome
results
revealed
these
exhibit
distinct
molecular
functional
characteristics.
choice
method
impacts
isolated
isolating
EVs.
Specifically,
(HS)
exhibited
higher
abundance
ribosomal
mitochondrial
proteins.
Functional
apoptosis
assays
comparing
mitochondria
methods
HS‐EVs,
but
not
other
EVs,
induced
early
cancer
cells.
On
hand,
using
(SU)
(UC)
demonstrated
proteins
primarily
involved
immune
response,
cell‐cell
interactions
extracellular
matrix
interactions.
Our
analyses
unveil
notable
disparities
associated
biological
functions
among
subpopulations,
underscoring
importance
meticulously
selecting
resultant
based
intended
application.
Language: Английский
Proteomics profiling of extracellular vesicle for identification of potential biomarkers in Alzheimer's disease: A comprehensive review
Ageing Research Reviews,
Journal Year:
2024,
Volume and Issue:
99, P. 102359 - 102359
Published: May 29, 2024
Language: Английский
The Role of Extracellular Vesicles in Metabolic Diseases
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(5), P. 992 - 992
Published: April 30, 2024
Extracellular
vesicles
represent
a
group
of
structures
with
the
capacity
to
communicate
different
cells
and
organs.
This
complex
network
interactions
can
regulate
multiple
physiological
processes
in
organism.
Very
importantly,
these
be
altered
during
appearance
diseases
including
cancer,
metabolic
diseases,
etc.
In
addition,
extracellular
transport
cargoes,
altering
initiation
disease,
driving
progression,
or
even
accelerating
pathogenesis.
Then,
we
have
explored
implication
alterations
such
as
pancreatic
diabetes
its
complications
non-alcoholic
fatty
liver
disease.
Finally,
more
detail
communication
between
pancreas.
summary,
very
efficient
system
for
among
tissues
permit
an
biomarkers
well
being
involved
extracellular-vesicle-mediated
molecules,
serving
potential
therapy
diseases.
Language: Английский
Multiomics from Alzheimer’s Brains and Mesenchymal Stem Cell-Derived Extracellular Vesicles Identifies Therapeutic Potential of Specific Subpopulations to Target Mitochondrial Proteostasis
Journal of Central Nervous System Disease,
Journal Year:
2025,
Volume and Issue:
17
Published: April 1, 2025
Background
Alzheimer’s
disease
(AD)
is
characterized
by
complex
molecular
alterations
that
complicate
its
pathogenesis
and
contribute
to
the
lack
of
effective
treatments.
Mesenchymal
stem
cell-derived
extracellular
vesicles
(EVs)
have
shown
promise
in
AD
models,
but
results
across
different
EV
subpopulations
remain
inconsistent.
Objectives
This
study
investigates
proteomic
transcriptomic
data
from
publicly
available
postmortem
brain
datasets
identify
changes
at
both
gene
protein
levels.
These
findings
are
then
compared
with
proteomes
various
subpopulations,
differing
size
distribution,
determine
most
promising
subtype
for
compensating
degeneration
AD.
Design
We
conducted
a
comprehensive
analysis
788
samples,
including
481
cases
307
healthy
controls,
examining
mRNA
levels
uncover
AD-associated
changes.
were
potential
therapeutic
candidates.
Methods
A
multi-omics
approach
was
employed,
integrating
analysis,
miRNA
transcription
factor
profiling,
protein-protein
network
construction,
hub
identification,
enrichment
analyses.
aimed
explore
brains
pinpoint
relevant
intervention.
Results
identified
common
cAMP
signaling
pathway
coagulation
cascade
Distinct
energy
metabolism
observed
level
not
level.
specific
subtype,
broader
distribution
obtained
through
high-speed
centrifugation,
as
capable
dysregulated
mitochondrial
proteostasis
brains.
Network
biology
analyses
further
highlighted
regulators
key
proteins
within
this
subtype.
Conclusion
underscores
critical
role
identifies
subpopulation,
enriched
targeting
proteostasis,
strategy
Language: Английский
Extracellular vesicles as therapeutic modulators of neuroinflammation in Alzheimer’s disease: a focus on signaling mechanisms
Jianping Han,
No information about this author
Xue Zhang,
No information about this author
Lixing Kang
No information about this author
et al.
Journal of Neuroinflammation,
Journal Year:
2025,
Volume and Issue:
22(1)
Published: April 25, 2025
Alzheimer's
disease
(AD)
is
a
progressive
neurodegenerative
disorder
characterized
by
the
accumulation
of
amyloid-beta
(Aβ)
plaques
and
tau
tangles,
which
contribute
significantly
to
neuroinflammation,
central
driver
pathogenesis.
The
activation
microglia
astrocytes,
coupled
with
complex
interactions
between
Aβ
pathologies
innate
immune
response,
leads
cascade
inflammatory
events.
This
process
triggers
release
pro-inflammatory
cytokines
chemokines,
exacerbating
neuronal
damage
fostering
cycle
chronic
inflammation
that
accelerates
neurodegeneration.
Key
signaling
pathways,
such
as
nuclear
factor-kappa
B
(NF-κB),
Janus
kinase/signal
transducer
activator
transcription
(JAK/STAT),
mitogen-activated
protein
kinase
(MAPK),
phosphoinositide
3-kinase/protein
(PI3K/Akt),
are
involved
in
regulating
production
these
mediators,
offering
potential
therapeutic
targets
for
AD.
Recently,
extracellular
vesicles
(EVs)
have
emerged
promising
tool
AD
therapy,
due
their
ability
cross
blood-brain
barrier
(BBB)
deliver
agents.
Despite
challenges
standardizing
EV-based
therapies
ensuring
safety,
EVs
offer
novel
approach
modulating
neuroinflammation
promoting
neuroregeneration.
review
aims
highlight
intricate
relationship
emerging
role
therapeutics
advancing
treatment
strategies.
Language: Английский
New insights into extracellular vesicles of clinical and therapeutic interest using proteomic mass spectrometry approaches
Cindy Nix,
No information about this author
Marianne Fillet
No information about this author
TrAC Trends in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
178, P. 117823 - 117823
Published: June 19, 2024
Language: Английский
Application of Multiomics Approach to Investigate the Therapeutic Potentials of Stem Cell-derived Extracellular Vesicle Subpopulations for Alzheimer's Disease
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 14, 2024
Alzheimer's
disease
(AD)
presents
a
complex
interplay
of
molecular
alterations,
yet
understanding
its
pathogenesis
remains
challenge.
In
this
study,
we
delved
into
the
intricate
landscape
proteome
and
transcriptome
changes
in
AD
brains
compared
to
healthy
controls,
examining
788
brain
samples
revealing
common
alterations
at
both
protein
mRNA
levels.
Moreover,
our
analysis
revealed
distinct
protein-level
aberrant
energy
metabolism
pathways
that
were
not
evident
level.
This
suggests
expression
could
provide
deeper
representation
pathogenesis.
Subsequently,
using
comparative
proteomic
approach,
explored
therapeutic
potential
mesenchymal
stem
cell-derived
extracellular
vehicles
(EVs),
isolated
through
various
methods,
mitigating
AD-associated
Our
particular
EV-subtype
can
be
utilized
for
compensating
dysregulated
mitochondrial
proteostasis
brain.
By
network
biology
approaches,
further
regulators
key
proteins.
Overall,
study
illuminates
significance
identifies
promise
specific
EV
subpopulation
with
reduced
pro-inflammatory
cargo
enriched
proteins
target
proteostasis.
Language: Английский