ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(51), P. 70174 - 70186
Published: Dec. 12, 2024
Extracellular
vesicles
(EVs)
have
been
widely
recognized
as
a
heterogeneous
group
of
membrane-coated
submicrometer
particles
released
by
different
types
cells,
including
stem
cells
(SCs).
Due
to
their
ability
harbor
and
transfer
bioactive
cargo
into
the
recipient
EVs
reported
important
paracrine
factors
involved
in
regulation
variety
biological
processes.
Growing
data
demonstrate
that
may
serve
potential
next-generation
cell-free
therapeutic
factors.
However,
clinical
application
tissue
regeneration
requires
development
standardized
procedures
for
long-term
storage,
without
loss
structural
integrity
activity.
In
current
study,
we
developed
procedure
EV
cryoprotection
based
on
coating
them
with
ultrathin
polyelectrolyte
bilayer
consisting
cationic
poly(ethylene
glycol)-block-
poly(3-(methacryloylamino)propyl)trimethylammonium
chloride)
(PEGn-b-PMAPTACm)
anionic
poly(2-acrylamido-2-methylpropanesulfonic
acid)
(PAMPS).
Based
nanoparticle
tracking
analysis,
high-resolution
flow
cytometry,
mass
spectrometry,
studied
vesicle
following
single-
or
multiple
freezing-thawing
cycles
storage.
Additionally,
evaluated
effect
cryopreservation
functional
activity
vitro.
Obtained
indicate
polyelectrolytes
improves
preserves
proteomic
analysis
confirmed
particle
stabilization,
well
an
enrichment
proteins
samples
cryopreserved
presence
tested
polymers.
Taking
together,
our
study
indicates
be
novel,
effective
way
facilitating
storage
preparations
further
use
biomedical
applications.
Frontiers in Molecular Biosciences,
Journal Year:
2024,
Volume and Issue:
10
Published: Jan. 3, 2024
Extracellular
vesicles
(EVs)
are
membrane-enclosed
particles
secreted
by
a
variety
of
cell
types.
These
encapsulate
diverse
range
molecules,
including
proteins,
nucleic
acids,
lipids,
metabolites,
and
even
organelles
derived
from
their
parental
cells.
While
EVs
have
emerged
as
crucial
mediators
intercellular
communication,
they
also
hold
immense
potential
both
biomarkers
therapeutic
agents
for
numerous
diseases.
A
thorough
understanding
EV
biogenesis
is
the
development
EV-based
diagnostic
developments
since
composition
can
reflect
health
disease
status
donor
cell.
Moreover,
when
taken
up
target
cells,
exert
profound
effects
on
gene
expression,
signaling
pathways,
cellular
behavior,
which
makes
these
biomolecules
enticing
targets
interventions.
Yet,
despite
decades
research,
intricate
processes
underlying
cells
subsequent
uptake
recipient
remain
poorly
understood.
In
this
review,
we
aim
to
summarize
current
insights
advancements
in
mechanisms
EVs.
By
shedding
light
fundamental
governing
delivery,
review
underscores
basic
mechanistic
research
pave
way
developing
novel
strategies
applications.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(1), P. 640 - 640
Published: Jan. 4, 2024
Extracellular
vesicles
(EVs)
have
a
significant
impact
on
the
pathophysiological
processes
associated
with
various
diseases
such
as
tumors,
inflammation,
and
infection.
They
exhibit
molecular,
biochemical,
entry
control
characteristics
similar
to
viral
infections.
Viruses,
other
hand,
depend
host
metabolic
machineries
fulfill
their
biosynthetic
requirements.
Due
potential
advantages
biocompatibility,
biodegradation,
efficient
immune
activation,
EVs
emerged
therapeutic
targets
against
SARS-CoV-2
Studies
COVID-19
patients
shown
that
they
frequently
dysregulated
lipid
profiles,
which
are
an
increased
risk
of
severe
repercussions.
Lipid
droplets
(LDs)
serve
organelles
roles
in
metabolism
energy
homeostasis
well
having
wide
range
functions
The
down-modulation
lipids,
sphingolipid
ceramide
eicosanoids,
or
transcriptional
factors
involved
lipogenesis
seem
inhibit
multiplication,
suggesting
involvement
virus
replication
pathogenesis
highlighting
for
drug
development.
Hence,
this
review
focuses
role
modulation
mechanism
system
evasion
during
infection
explores
application
delivering
substances
mitigate
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(5), P. 2730 - 2730
Published: Feb. 27, 2024
Extracellular
vesicles
(EVs),
a
diverse
group
of
cell-derived
exocytosed
particles,
are
pivotal
in
mediating
intercellular
communication
due
to
their
ability
selectively
transfer
biomolecules
specific
cell
types.
EVs,
composed
proteins,
nucleic
acids,
and
lipids,
taken
up
by
cells
affect
variety
signaling
cascades.
Research
the
field
has
primarily
focused
on
stem
with
particular
focus
mesenchymal
cells,
for
potential
therapeutic
benefits.
Recently,
tissue-specific
EVs
or
type-specific
extracellular
(CTS-EVs),
have
garnered
attention
unique
biogenesis
molecular
composition
because
they
enable
highly
targeted
cell-specific
communication.
Various
studies
outlined
roles
that
CTS-EVs
play
physiological
function
maintenance
homeostasis,
including
immune
modulation,
tissue
regeneration,
organ
development.
These
properties
also
exploited
disease
propagation,
such
as
cancer,
neurological
disorders,
infectious
diseases,
autoimmune
conditions,
more.
The
insights
gained
from
analyzing
different
biological
not
only
enhance
our
understanding
pathogenesis
but
open
new
avenues
innovative
diagnostic
biomarkers
targets
wide
spectrum
medical
conditions.
This
review
comprehensively
outlines
current
CTS-EV
origins,
within
normal
physiology,
implications
diseased
states.
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(6), P. 707 - 707
Published: May 30, 2024
Mesenchymal
stem
cells
(MSCs)
have
emerged
as
a
promising
approach
for
drug
delivery
strategies
because
of
their
unique
properties.
These
include
cell
membrane-coated
nanoparticles,
cell-derived
extracellular
vesicles,
immunomodulatory
effects,
cell-laden
scaffolds,
and
scaffold-free
sheets.
MSCs
offer
advantages
such
low
immunogenicity,
homing
ability,
tumor
tropism,
making
them
ideal
targeted
systems.
Stem
vesicles
gained
attention
immune
properties
tumor-homing
abilities,
presenting
potential
solution
challenges.
The
relationship
between
MSC-based
the
self-renewal
differentiation
capabilities
lies
in
engineered
to
serve
effective
carriers
therapeutic
agents
while
maintaining
intrinsic
exhibit
potent
immunosuppressive
functions
strategies.
EVs
immunogenicity
strong
tissue
repair
regeneration.
Scaffold-free
sheets
represent
cutting-edge
regenerative
medicine,
offering
versatile
platform
engineering
regeneration
across
different
medical
specialties.
shown
great
clinical
applications
medicine
ability
differentiate
into
various
types,
secrete
bioactive
factors,
modulate
responses.
Researchers
are
exploring
these
innovative
approaches
enhance
efficiency
effectiveness
treating
diseases.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(11), P. 5863 - 5863
Published: May 28, 2024
Extracellular
vesicles
(EVs),
including
exosomes,
microvesicles,
and
other
lipid
derived
from
cells,
play
a
pivotal
role
in
intercellular
communication
by
transferring
information
between
cells.
EVs
secreted
progenitor
stem
cells
have
been
associated
with
the
therapeutic
effects
observed
cell-based
therapies,
they
also
contribute
to
tissue
regeneration
following
injury,
such
as
orthopaedic
surgery
cases.
This
review
explores
involvement
of
nerve
regeneration,
their
potential
drug
carriers,
significance
cell
research
cell-free
therapies.
It
underscores
importance
bioengineers
comprehending
manipulating
EV
activity
optimize
efficacy
engineering
regenerative
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 723 - 723
Published: Jan. 16, 2025
Mesenchymal
stem
cell-derived
extracellular
vesicles
(MSC-EVs)
have
emerged
as
a
promising
therapeutic
strategy
for
spinal
cord
injury
(SCI).
These
nanosized
possess
unique
properties
such
low
immunogenicity
and
the
ability
to
cross
biological
barriers,
making
them
ideal
carriers
delivering
bioactive
molecules
injured
tissues.
MSC-EVs
been
demonstrated
exert
multiple
beneficial
effects
in
SCI,
including
reducing
inflammation,
promoting
neuroprotection,
enhancing
axonal
regeneration.
Recent
studies
delved
into
molecular
mechanisms
underlying
MSC-EV-mediated
effects.
Exosomal
microRNAs
(miRNAs)
identified
key
regulators
of
various
cellular
processes
involved
SCI
pathogenesis
repair.
miRNAs
can
influence
oxidative
stress,
apoptosis
by
modulating
gene
expression.
This
review
summarized
current
state
MSC-EV-based
therapies
highlighting
potential
clinical
applications.
We
discussed
challenges
limitations
translating
these
practice,
inconsistent
EV
production,
complex
cargo
composition,
need
targeted
delivery
strategies.
Future
research
should
focus
on
optimizing
production
characterization,
identifying
miRNAs,
developing
innovative
systems
maximize
SCI.
Frontiers in Cell and Developmental Biology,
Journal Year:
2023,
Volume and Issue:
11
Published: July 5, 2023
At
present,
extracellular
vesicles
(EVs)
are
considered
key
candidates
for
cell-free
therapies,
including
treatment
of
allergic
and
autoimmune
diseases.
However,
their
therapeutic
effectiveness,
dependent
on
proper
targeting
to
the
desired
cells,
is
significantly
limited
due
reduced
bioavailability
resulting
from
rapid
clearance
by
cells
mononuclear
phagocyte
system
(MPS).
Thus,
developing
strategies
avoid
EV
elimination
essential
when
applying
them
in
clinical
practice.
On
other
hand,
malfunctioning
MPS
contributes
various
immune-related
pathologies.
Therapeutic
reversal
these
effects
with
EVs
would
be
beneficial
could
achieved,
example,
modulating
macrophage
phenotype
or
regulating
antigen
presentation
dendritic
cells.
Additionally,
intended
macrophages
replication
repackaging
molecules
into
new
vesicle
subtype
can
allow
specific
appropriate
populations
acceptor
Herein,
we
briefly
discuss
under-explored
aspects
MPS-EV
interactions
that
undoubtedly
require
further
research
order
accelerate
use
EVs.
Cells,
Journal Year:
2024,
Volume and Issue:
13(7), P. 623 - 623
Published: April 4, 2024
Limbal
epithelial
progenitor
cells
(LEPC)
rely
on
their
niche
environment
for
proper
functionality
and
self-renewal.
While
extracellular
vesicles
(EV),
specifically
small
EVs
(sEV),
have
been
proposed
to
support
LEPC
homeostasis,
data
sEV
derived
from
limbal
like
mesenchymal
stromal
(LMSC)
remain
limited,
there
are
no
studies
sEVs
melanocytes
(LM).
In
this
study,
we
isolated
conditioned
media
of
LMSC
LM
using
a
combination
tangential
flow
filtration
size
exclusion
chromatography
characterized
them
by
nanoparticle
tracking
analysis,
transmission
electron
microscopy,
Western
blot,
multiplex
bead
arrays,
quantitative
mass
spectrometry.
The
internalization
was
studied
cytometry
confocal
microscopy.
exhibited
typical
EV
characteristics,
including
cell-specific
markers
such
as
CD90
LMSC-sEV
Melan-A
LM-sEV.
Bioinformatics
analysis
the
proteomic
suggested
significant
role
in
matrix
deposition,
with
LMSC-derived
containing
proteins
involved
collagen
remodeling
cell
adhesion,
whereas
LM-sEV
were
implicated
other
cellular
bioprocesses
pigmentation
development.
Moreover,
fluorescently
labeled
taken
up
localized
perinuclear
compartment.
These
findings
provide
valuable
insights
into
complex
regulating
human
stem
niche.
Journal of Extracellular Vesicles,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 1, 2025
Abstract
The
discovery
that
extracellular
RNAs
(exRNA)
can
act
as
endocrine
signalling
molecules
established
a
novel
paradigm
in
intercellular
communication.
ExRNAs
be
transported,
both
locally
and
systemically
virtually
all
body
fluids.
In
association
with
an
array
of
carrier
vehicles
varying
complexity,
exRNA
alter
target
cell
phenotype.
This
highlights
the
important
role
secreted
exRNAs
have
regulating
human
health
disease.
NIH
Common
Fund
Communication
program
was
2012
to
accelerate
catalyze
progress
biology
field.
addressed
carriers,
served
generate
foundational
knowledge
for
field
from
basic
future
potential
clinical
applications
biomarkers
therapeutics.
To
address
scientific
challenges,
developed
tools
technologies
isolate
carriers
analyze
their
cargo.
Here,
we
discuss
outcomes
program,
well
evolution
through
analysis
publications
funding.
ExRNA
associated
use
biomarkers,
diagnostics,
Recent
translational
include
exRNA‐related
repurposed
diagnostics
response
COVID‐19
pandemic,
vesicle‐based
biomarker
assays,
drug
delivery
platforms.
comprehensive
landscape
illustrates
how
discoveries
innovations
are
being
translated
into
commercial
market
clinic.
Analysis
funding
trends
demonstrate
impact
this
program.