Frontiers in Bioengineering and Biotechnology,
Год журнала:
2022,
Номер
10
Опубликована: Апрель 11, 2022
Corneal
injury
(CI)
affects
corneal
integrity
and
transparency,
deteriorating
the
patient's
quality
of
life.
This
study
aimed
to
explore
molecular
mechanisms
by
which
exosomes
secreted
from
human
umbilical
cord
mesenchymal
stem
cells
(hucMSC-Exos)
affect
autophagy
in
epithelial
(HCECs)
CI
models.
We
isolated
identified
hucMSC-Exos
using
nanoparticle
tracking
analysis,
transmission
electron
microscopy,
western
blotting.
The
effects
combined
with
regulators
on
HCECs
mice
were
assessed
cell
viability
assays,
scratch
assay,
cycle
apoptosis
fluorescein
staining,
haze
grades,
pathological
examinations,
blotting,
quantitative
polymerase
chain
reaction
(qPCR).
In
vitro
results
indicated
that
activator
had
positive
promoting
proliferation,
migration
capacity,
upregulating
proportions
S
phase
expression
PCNA,
Cyclin
A,
E,
CDK2.
Meanwhile,
combination
treatment
reduced
apoptotic
rate
HCECs.
vivo
especially
them
significantly
alleviated
defects
stromal
opacity,
levels
markers
Bax
cleaved
Caspase-3,
inflammatory
response
products
TNF-α,
IL-1β,
IL-6,
CXCL-2,
increased
Bcl-2.
was
achieved
pAMPK/AMPK
pULK1/ULK1
ratios,
Beclin-1
LC3B
II/I,
downregulating
pmTOR/mTOR
ratio
p62.
contrast,
clinical
indications,
apoptosis,
inflammation
aggravated
after
application
inhibitor.
HucMSC-Exos
an
enhanced
functions
defects,
activating
signaling
pathway,
AMPK-mTOR-ULK1,
providing
a
new
biological
therapy
for
wound
healing
ocular
surface
regeneration.
The Ocular Surface,
Год журнала:
2023,
Номер
28, С. 131 - 140
Опубликована: Март 27, 2023
To
investigate
the
efficacy
and
mechanisms
of
human
umbilical
cord-derived
MSC-derived
extracellular
vesicles
(hucMSC-EVs)
in
a
mouse
model
desiccation-induced
dry
eye
disease
(DED).hucMSC-EVs
were
enriched
by
ultracentrifugation.
The
DED
was
induced
desiccating
environment
combined
with
scopolamine
administration.
mice
divided
into
hucMSC-EVs
group,
fluorometholone
(FML)
PBS
blank
control
group.
Tear
secretion,
corneal
fluorescein
staining,
cytokine
profiles
tears
goblet
cells,
TUNEL-positive
cell,
CD4+
cells
examined
to
assess
therapeutic
efficiency.
miRNAs
sequenced,
top
10
used
for
miRNA
enrichment
analysis
annotation.
targeted
DED-related
signaling
pathway
further
verified
using
RT‒qPCR
western
blotting.Treatment
increased
tear
volume
maintained
integrity
mice.
profile
group
presented
lower
level
proinflammatory
cytokines
than
Moreover,
treatment
cell
density
inhibited
apoptosis
infiltration.
Functional
showed
high
correlation
immunity.
Among
them,
miR-125
b,
let-7b,
miR-6873
conserved
between
humans
associated
IRAK1/TAB2/NF-κB
that
activated
DED.
Furthermore,
activation
abnormal
expression
IL-4,
IL-8,
IL-10,
IL-13,
IL-17,
TNF-α
reversed
hucMSC-EVs.hucMSCs-EVs
alleviate
signs,
suppress
inflammation
restore
homeostasis
surface
multitargeting
via
certain
miRNAs.
Cells,
Год журнала:
2022,
Номер
11(16), С. 2549 - 2549
Опубликована: Авг. 16, 2022
Adipose-derived
stem
cells
are
a
subtype
of
mesenchymal
cell
that
offers
the
important
advantage
being
easily
obtained
(in
an
autologous
manner)
from
low
invasive
procedures,
rendering
high
number
multipotent
with
potential
to
differentiate
into
several
cellular
lineages,
show
immunomodulatory
properties,
and
promote
tissue
regeneration
by
paracrine
action
through
secretion
extracellular
vesicles
containing
trophic
factors.
This
secretome
is
currently
investigated
as
source
for
cell-free
based
regenerative
therapy
human
tissues,
which
would
significantly
reduce
involved
costs,
risks
law
regulations,
allowing
broader
application
in
real
clinical
practice.
In
current
article,
we
will
review
existing
preclinical
evidence
regarding
use
such
adipose-derived
three
main
layers
cornea:
epithelium
(derived
surface
ectoderm),
stroma
neural
crest
mesenchyme),
endothelium
cells).
Pharmaceutics,
Год журнала:
2023,
Номер
15(4), С. 1167 - 1167
Опубликована: Апрель 6, 2023
Over
the
past
decade,
field
of
mesenchymal
stem
cell
(MSC)
therapy
has
exhibited
rapid
growth.
Due
to
their
regenerative,
reparatory,
and
immunomodulatory
capacities,
MSCs
have
been
widely
investigated
as
therapeutic
agents
in
cell-based
treatment
chronic
ophthalmic
pathologies.
However,
applicability
MSC-based
is
limited
by
suboptimal
biocompatibility,
penetration,
delivery
target
ocular
tissues.
An
emerging
body
research
elucidated
role
exosomes
biological
functions
MSCs,
that
MSC-derived
extracellular
vesicles
(EVs)
possess
anti-inflammatory,
anti-apoptotic,
tissue
repairing,
neuroprotective,
properties
similar
MSCs.
The
recent
advances
MSCs-derived
can
serve
solutions
challenges
faced
MSCs-therapy.
nano-dimensions,
rapidly
penetrate
barriers
reach
immune-privileged
organs,
allowing
for
efficient
factors
such
trophic
tissues
are
typically
challenging
conventional
transplantation.
In
addition,
use
EVs
minimizes
risks
associated
with
this
literature
review,
we
focus
on
studies
published
between
2017
2022,
highlighting
characteristics
derived
from
treating
anterior
posterior
segment
diseases.
Additionally,
discuss
potential
clinical
settings.
Rapid
advancements
regenerative
medicine
exosome-based
drug
delivery,
conjunction
an
increased
understanding
pathology
pharmacology,
hold
great
promise
therapies
exciting
revolutionize
way
approach
these
conditions.
Journal of Controlled Release,
Год журнала:
2023,
Номер
365, С. 448 - 468
Опубликована: Дек. 2, 2023
Nanoscale
extracellular
vesicles
(EVs),
consisting
of
exomers,
exosomes
and
microvesicles/ectosomes,
have
been
extensively
investigated
in
the
last
20
years,
although
their
biological
role
is
still
something
a
mystery.
EVs
are
involved
transfer
lipids,
nucleic
acids
proteins
from
donor
to
recipient
cells
or
distant
organs
as
well
regulating
cell-cell
communication
signaling.
Thus,
important
intercellular
this
not
limited
sister
cells,
but
may
also
mediate
crosstalk
between
different
cell
types
even
over
long
distances.
play
crucial
functions
both
cellular
homeostasis
pathogenesis
diseases,
since
contents
reflect
status
cell,
they
represent
an
additional
valuable
source
information
for
characterizing
complex
processes.
Recent
advances
isolation
analytical
methods
led
substantial
improvements
engineering
EVs,
leading
use
either
novel
biomarkers
disease
diagnosis/prognosis
therapies.
Due
capacity
carry
biomolecules,
various
EV-based
therapeutic
applications
devised
several
pathological
conditions,
including
eye
diseases.
In
eye,
detected
retina,
aqueous
humor,
vitreous
body
tears.
Experiences
with
other
forms
intraocular
drug
opened
new
ways
treatment
retinal
We
here
provide
comprehensive
summary
main
vitro,
vivo,
ex
vivo
literature-based
studies
on
EVs'
ocular
physiological
conditions.
focused
age-related
macular
degeneration,
diabetic
retinopathy,
glaucoma,
which
common
diseases
permanent
blindness,
if
treated
properly.
addition,
putative
retinitis
pigmentosa
retinopathies
discussed.
Finally,
we
reviewed
potential
tools
and/or
above-mentioned
disorders.
Evidence
emerging
experimental
models
human
material
strongly
suggests
future
diagnostic
exploitation
these
agents
disorders
good
possibility
improve
patient's
quality
life.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(13), С. 10866 - 10866
Опубликована: Июнь 29, 2023
Dry
eye
disease
(DED)
is
a
multifactorial
ocular
surface
disorder
arising
from
numerous
interrelated
underlying
pathologies
that
trigger
self-perpetuating
cycle
of
instability,
hyperosmolarity,
and
damage.
Associated
discomfort
visual
disturbance
contribute
negatively
to
quality
life.
Ocular
inflammation
has
been
increasingly
recognised
as
playing
key
role
in
the
pathophysiology
chronic
DED.
Current
readily
available
anti-inflammatory
agents
successfully
relieve
symptoms,
but
often
without
addressing
pathophysiological
mechanism.
The
NOD-like
receptor
protein-3
(NLRP3)
inflammasome
pathway
recently
implicated
driver
inflammation,
reported
pre-clinical
clinical
studies
This
review
discusses
intimate
relationship
between
DED
highlights
involvement
development
DED,
describes
existing
therapies
their
limitations,
evaluates
potential
context
therapeutic
landscape
target
for
effective
treatment
disease.
Nanoscale,
Год журнала:
2022,
Номер
15(4), С. 1890 - 1899
Опубликована: Дек. 16, 2022
Dry
eye
disease
(DED),
a
complex
ocular
surface
with
high
prevalence
rate,
is
associated
corneal
injury,
excess
oxidative
stress
and
inflammation.
Current
therapeutic
strategies,
including
artificial
tears
anti-inflammatory
agents,
are
unable
to
address
all
the
deleterious
factors
or
achieve
clinical
cure
due
their
temporary
side
effects.
Here,
we
prepared
multiple-functional
eyedrop
based
on
deposition
of
gold
nanoparticles
(AuNPs)
reduced
by
ascorbic
acid
(AA)
onto
exosomal
phospholipid
membrane
mesenchymal
stem
cell
(mExo)-derived
exosomes
in
situ
(mExo@AA).
The
value
mExo@AA
for
DED
was
demonstrated
mouse
model.
Combining
benefits
mExo
AA,
effectively
improves
epithelium
recovery
anti-inflammation
capacity,
decreases
reactive
oxygen
species,
restores
tear
secretion
without
adverse
Thus,
this
study
suggests
that
effective
safe
as
agent
treatment
DED.
ACS Nano,
Год журнала:
2024,
Номер
18(34), С. 22793 - 22828
Опубликована: Авг. 14, 2024
Extracellular
vesicles
(EVs)
are
nanoscale
membrane
of
various
sizes
that
can
be
secreted
by
most
cells.
EVs
contain
a
diverse
array
cargo,
including
RNAs,
lipids,
proteins,
and
other
molecules
with
functions
intercellular
communication,
immune
modulation,
regulation
physiological
pathological
processes.
The
biofluids
in
the
eye,
tears,
aqueous
humor,
vitreous
important
sources
for
EV-based
diagnosis
ocular
disease.
Because
molecular
cargos
may
reflect
biology
their
parental
cells,
these
biofluids,
as
well
blood,
have
been
recognized
promising
candidates
biomarkers
early
Moreover,
also
used
therapeutics
targeted
drug
delivery
nanocarriers
many
disorders
because
low
immunogenicity
superior
biocompatibility
nature.
In
this
review,
we
provide
an
overview
recent
advances
field
studies
on
We
summarized
origins
applied
disease,
assessed
different
methods
EV
isolation
from
biofluid
samples,
highlighted
bioengineering
strategies
systems,
introduced
latest
applications
treatment
presented
potential
current
clinical
trials.
Finally,
briefly
discussed
challenges
disease
some
issues
concern
better
focusing
translational
future.