Redox Biology,
Год журнала:
2024,
Номер
79, С. 103481 - 103481
Опубликована: Дек. 21, 2024
Emerging
evidence
suggests
that
lipid-laden
macrophages
(LLM)
participate
in
lung
damage
various
clinical
conditions.
However,
the
mechanisms
involved
LLM
formation
are
not
fully
understood.
In
this
study,
we
aimed
to
investigate
link
between
reactive
oxygen
species
(ROS)
and
formation.
We
found
ROS
triggered
by
cigarette
smoke
extract
(CSE)
or
H2O2
significantly
promoted
Given
key
role
of
formation,
further
demonstrated
is
induced
ROS-producing
stimuli,
including
bacteria,
oxidized
low-density
lipoprotein
(OxLDL),
hyperoxia,
E-cigarette
vapor
(EVE).
Meanwhile,
cytochrome
P450
family-1
subfamily
B
member
1
(CYP1B1)
was
highly
upregulated
from
chronic
obstructive
pulmonary
disease
(COPD)
patients
CSE-treated
macrophages.
Functionally,
CYP1B1
contributes
CSE-induced
lipid
accumulation
expression
were
effectively
suppressed
antioxidant
N-acetylcysteine
(NAC)
carvedilol.
The
also
associated
with
classically
activated
M1
but
M2
state.
showed
time-dependent
alterations
inflammatory
response
phagocytic
ability.
summary,
our
study
highlights
oxidative
stress
ROS-induced
may
serve
as
a
therapeutic
target
for
reducing
LLM-induced
damage.
Experimental & Molecular Medicine,
Год журнала:
2024,
Номер
56(4), С. 836 - 849
Опубликована: Апрель 1, 2024
Abstract
Exosomes,
which
are
nanosized
vesicles
secreted
by
cells,
attracting
increasing
interest
in
the
field
of
biomedical
research
due
to
their
unique
properties,
including
biocompatibility,
cargo
loading
capacity,
and
deep
tissue
penetration.
They
serve
as
natural
signaling
agents
intercellular
communication,
inherent
ability
carry
proteins,
lipids,
nucleic
acids
endows
them
with
remarkable
therapeutic
potential.
Thus,
exosomes
can
be
exploited
for
diverse
applications,
chemotherapy,
gene
therapy,
photothermal
therapy.
Moreover,
capacity
homotypic
targeting
self-recognition
provides
opportunities
personalized
medicine.
Despite
advantages
novel
agents,
there
several
challenges
optimizing
efficiency
structural
stability
defining
exosome
origins.
Future
should
include
development
large-scale,
quality-controllable
production
methods,
refinement
drug
strategies,
extensive
vivo
studies
clinical
trials.
unresolved
difficulties,
use
efficient,
stable,
safe
delivery
systems
is
an
interesting
area
research.
Therefore,
this
review
describes
summarizes
cutting-edge
published
high-impact
journals
that
have
introduced
or
enhanced
effects
using
a
system
past
2
years.
We
provide
informative
overview
current
state
research,
highlighting
properties
applications
exosomes.
also
emphasize
future
directions,
underscoring
importance
addressing
key
issues
field.
With
review,
we
encourage
researchers
further
develop
exosome-based
drugs
application,
such
may
among
most
promising
next-generation
therapeutics.
Advanced Materials,
Год журнала:
2024,
Номер
36(33)
Опубликована: Июнь 27, 2024
Extracellular
vesicles
(EVs)
are
promising
next-generation
therapeutics
and
drug
delivery
systems
due
to
demonstrated
safety
efficacy
in
preclinical
models
early-stage
clinical
trials.
There
is
an
urgent
need
address
the
immunogenicity
of
EVs
(beyond
apparent
lack
immunotoxicity)
advance
development.
To
date,
few
studies
have
assessed
unintended
immunological
recognition
EVs.
An
in-depth
understanding
EV-induced
clearance
necessary
develop
effective
therapeutic
strategies,
including
approaches
mitigate
when
undesired.
This
article
summarizes
various
factors
involved
potential
strategies
reduce
for
improved
benefit.
Biomedicine & Pharmacotherapy,
Год журнала:
2023,
Номер
162, С. 114615 - 114615
Опубликована: Апрель 1, 2023
Cell
therapy
is
one
of
the
methods
that
have
shown
promising
results
in
treating
diseases
recent
decades.
However,
use
different
types
cells
comes
with
limitations.
The
application
immune
cell
can
lead
to
cytokine
storms
and
inappropriate
responses
self-antigens.
Also,
stem
has
potential
create
tumors.
may
not
migrate
injury
site
after
intravenous
injection.
Therefore,
using
exosomes
from
as
therapeutic
candidates
were
proposed.
Due
their
small
size
favorable
characteristics,
such
biocompatibility
immunocompatibility,
easy
storage
isolation,
attracted
much
attention.
They
are
used
many
diseases,
including
cardiovascular
orthopedic
autoimmune
cancer.
various
studies
efficiency
(Exo)
be
increased
by
loading
drugs
microRNAs
inside
them
(encapsulated
exosomes).
analyzing
investigating
encapsulated
exosomes'
ability
critical.
In
this
study,
we
examined
related
cancer
infectious
regenerative
medicine.
Compared
intact
exosomes,
show
a
higher
ability.
Therefore
it
suggested
method
depending
on
treatment
type
increase
treatment's
efficiency.
Abstract
Acute
lung
injury
(ALI)
is
a
severe
respiratory
disease
with
high
mortality
rate.
The
integrity
of
the
pulmonary
endothelial
barrier
influences
development
and
prognosis
ALI.
Therefore,
it
has
become
an
important
target
for
ALI
treatment.
Extracellular
vesicles
(EVs)
are
promising
nanotherapeutic
agents
against
Herein,
endothelium‐derived
engineered
extracellular
(eEVs)
that
deliver
microRNA‐125b‐5p
(miRNA‐125b)
to
tissues
exerting
protective
effect
on
reported.
eEVs
modified
microvascular
cell‐targeting
peptides
(LET)
exhibit
prolonged
retention
time
in
targeted
cells
vivo
vitro.
To
improve
efficacy
EVs,
miRNA‐125b
loaded
into
EVs.
Finally,
LET‐EVs‐miRNA‐125b
constructed.
results
show
compared
miRNA‐125b,
EVs‐miRNA‐125b,
most
significant
treatment
Moreover,
found
have
by
inhibiting
cell
apoptosis,
promoting
angiogenesis,
protecting
intercellular
junctions.
Sequencing
analysis
reveals
downregulates
early
growth
response‐1
(EGR1)
levels,
which
may
be
potential
mechanism
action.
Taken
together,
these
findings
suggest
can
treat
integrity.
Diagnostics,
Год журнала:
2023,
Номер
13(21), С. 3296 - 3296
Опубликована: Окт. 24, 2023
Acute
respiratory
distress
syndrome
(ARDS)
is
a
common
and
fatal
disease,
characterized
by
lung
inflammation,
edema,
poor
oxygenation,
the
need
for
mechanical
ventilation,
or
even
extracorporeal
membrane
oxygenation
if
patient
unresponsive
to
routine
treatment.
In
this
review,
we
aim
explore
advances
in
biomarkers
diagnosis
treatment
of
ARDS.
viewing
distinct
characteristics
each
biomarker,
classified
into
following
six
categories:
inflammatory,
alveolar
epithelial
injury,
endothelial
coagulation/fibrinolysis,
extracellular
matrix
turnover,
oxidative
stress
biomarkers.
addition,
discussed
potential
role
machine
learning
identifying
utilizing
these
reviewed
its
clinical
application.
Despite
tremendous
progress
biomarker
research,
there
remain
nonnegligible
gaps
between
discovery
utility.
The
challenges
future
directions
ARDS
research
concern
investigators
as
well
clinicians,
underscoring
essentiality
continued
investigation
improve
Biomedicines,
Год журнала:
2024,
Номер
12(9), С. 2053 - 2053
Опубликована: Сен. 10, 2024
Diabetic
retinopathy
(DR)
is
a
leading
cause
of
blindness,
yet
its
molecular
mechanisms
are
unclear.
Extracellular
vesicles
(EVs)
contribute
to
dysfunction
in
DR,
but
the
characteristics
and
functions
vitreous
EVs
This
study
investigated
inflammatory
properties
type
2
diabetic
(db)
EVs.
isolated
from
db
non-db
donors
were
used
for
nanoparticle
tracking
analysis
(NTA),
transmission
electron
microscopy
(TEM),
immunogold
staining,
Western
blotting,
proteomic
by
mass
spectrometry.
Intracellular
uptake
differentiated
macrophages
was
evaluated
using
ExoGlow
membrane
labeling,
impact
on
macrophage
(THP-1)
activation
assessed
cytokine
levels
RT-qPCR.
NTA
TEM
showed
non-aggregated
with
heterogeneous
size
range
below
200
nm.
blot
detected
EV
markers
(Alix,
Annexin
V,
HSP70,
Flotillin
1)
an
upregulation
Cldn5
While
incorporated
into
macrophages,
treatment
THP-1
cells
significantly
increased
mRNA
TNFα
IL-1β
compared
Proteomic
gene
enrichment
indicated
pro-inflammatory
Our
results
suggest
potential
involvement
EC-derived
Cldn5+
triggering
inflammation,
offering
novel
mechanism
involved
presenting
possible
therapeutic
avenue
DR.
Extracellular
vesicles
(EVs)
are
lipid
bilayer
nanoparticles
naturally
released
from
cells,
playing
a
crucial
role
in
intercellular
communication.
They
modulate
gene
expression
and
regulate
physiological
pathological
processes,
including
acute
lung
injury
(ALI)
respiratory
distress
syndrome
(ARDS).
Research
has
shown
that
EVs
contain
variety
of
active
components,
biocompatible
small
size,
do
not
trigger
immune
rejection,
making
the
infusion
exogenous
promising
therapeutic
tool.
With
further
research,
engineering
strategies
have
been
proposed
to
enhance
clinical
potential
EVs.
These
involve
modifying
either
donor
cells
secrete
or
themselves
can
be
engineered
circumvent
limitations
native
In
this
review,
an
overview
biological
properties
is
provided
current
treating
ALI/ARDS,
along
with
latest
research
findings,
summarized.
The
challenges
opportunities
for
translation
as
novel
tool
also
discussed,
offering
new
insights
into
treatment
ALI/ARDS
using
EV
technology.
ImmunoTargets and Therapy,
Год журнала:
2025,
Номер
Volume 14, С. 433 - 449
Опубликована: Апрель 1, 2025
Recombinant
antithrombin
(rAT)
has
been
shown
to
protect
lungs
from
ARDS
and
modulate
immune
responses,
but
its
anti-inflammatory
mechanisms
remain
unclear.
This
study
aimed
explore
the
immunomodulatory
effects
of
rAT
in
LPS-induced
mice.
mouse
model
was
established
by
intraperitoneally
administration
20
mg/kg
LPS.
After
3
hours
LPS
administration,
or
PBS
injected
intravenously.
Lung
injury,
alveolar
permeability,
serum
inflammatory
cytokines,
cell
infiltration
lung
tissue,
proportion
Th17
were
assessed
36
after
administration.
The
functional
roles
differential
expressed
genes
(DEGs),
obtained
mice
treated
with
without
rAT,
analyzed
GO,
KEGG
GSEA
enrichment
analysis.
activation
NF-κB
NLRP3
inflammasome
evaluated
Western
blot
immunofluorescence
staining.
We
found
that
alleviated
reduced
pulmonary
decreased
suppressed
activation.
Moreover,
cells
tissues
peripheral
blood,
downregulated
IL17a
expression,
inhibited
signaling
pathway
tissues.
Additionally,
IL-17A
diminished
efficacy
mitigating
suppressing
response,
inhibiting
findings
this
suggest
alleviates
injury
suppresses
responses
IL17a/NF-κB
axis,
suggesting
may
serve
as
a
potential
therapeutic
agent
for
inflammation
improving
prognosis
induced
sepsis.
Furthermore,
provides
important
research
data
theoretical
basis
clinical
translation
application
rAT.