The Role of Fractalkine in Diabetic Retinopathy: Pathophysiology and Clinical Implications
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(1), С. 378 - 378
Опубликована: Янв. 4, 2025
Diabetic
retinopathy
(DR)
is
a
complication
of
diabetes,
characterized
by
progressive
microvascular
dysfunction
that
can
result
in
vision
loss.
Chronic
hyperglycemia
drives
oxidative
stress,
endothelial
dysfunction,
and
inflammation,
leading
to
retinal
damage
complications
such
as
neovascularization.
Current
treatments,
including
anti-VEGF
agents,
have
limitations,
necessitating
the
exploration
alternative
therapeutic
strategies.
Fractalkine
(CX3CL1),
chemokine
with
dual
roles
membrane-bound
adhesion
molecule
soluble
chemoattractant,
has
emerged
potential
target.
Its
receptor,
CX3CR1,
expressed
on
immune
cells
mediates
processes
cell
recruitment
microglial
activation
through
intracellular
signaling
pathways.
In
DR,
fractalkine
plays
critical
angiogenesis,
neuroprotection,
balancing
tissue
repair.
elevated
levels
are
associated
inflammation
dysfunction.
Experimental
studies
suggest
deficiency
exacerbates
severity
diabetic
(DR),
whereas
exogenous
appears
reduce
neuronal
damage.
However,
its
role
pathological
angiogenesis
within
DR
remains
unclear
warrants
further
investigation.
Preclinical
evidence
indicates
may
hold
potential,
particularly
mitigating
injury
early-stage
DR.
Язык: Английский
Integrated proteomics analysis and network pharmacology to elucidate the mechanism of Zhilong Huoxue Tongyu Capsule alleviate hypertensive retinopathy in Ang II infusion mice model
Frontiers in Pharmacology,
Год журнала:
2025,
Номер
16
Опубликована: Май 21, 2025
Zhilong
Huoxue
Tongyu
Capsule
(ZLHXTY)
has
been
used
in
clinical
treatment
of
vascular
diseases
caused
by
hypertension
over
20
years.
However,
the
specific
mechanisms
ZLHXTY
alleviate
hypertensive
retinopathy
(HR)
needs
to
be
further
explored.
HR
mouse
model
was
established
infusing
Ang
II
via
subcutaneously
implanted
osmotic
mini-pumps,
followed
oral
administration
(0.35,
0.7,
1.4
g/kg/day)
28
days
for
treatment.
To
assess
impacts
on
retinal
neurodegeneration
and
injury,
multiple
experiments
such
as
OCTA,
ERG
HE
staining
were
performed.
Subsequently,
network
pharmacological
4D-label-free
proteomics
clarify
potential
targets
alleviated
HR.
Finally,
Western
blot,
ELISA,
IF,
other
techniques
utilized
detect
expression
proteins
related
inflammation,
oxidative
stress,
NLRP3
inflammasome
activation.
significantly
dysfunction,
increased
blood
flow,
mitigated
pathological
changes
tissues
edema
mice.
Network
pharmacology
indicated
that
might
exert
anti-inflammatory
anti-oxidative
stress
effects
through
TNF
NF-κB.
Proteomic
analysis
showed
differential
between
ZL
group
mainly
enriched
immune-inflammatory
response,
main
mechanism
which
assembly
inflammasome.
Subsequent
vivo
corroborated
remarkably
attenuated
inflammation
damage
tissues.
Further
demonstrated
inhibited
NLRP3/Caspase-1/GSDMD
signaling
pathway
protein
expression.
TEM
results
also
verified
pyroptosis
cells.
Our
suggest
regulating
axis,
inhibiting
pyroptosis,
thereby
relieving
dysfunction
injury
Язык: Английский