Biomimetic Atorvastatin Self-Assembled Nanomedicine Inhibit the Cyclooxygenase-2/prostaglandin E2 Pathway Enhanced Photothermal and Antitumor Immunity
Biomaterials Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Cancer
continues
to
pose
remarkable
medical
challenges
worldwide.
While
current
cancer
therapies
can
lead
initial
clinical
improvement,
they
are
often
followed
by
recurrence,
metastasis,
and
drug
resistance,
underscoring
the
urgent
need
for
innovative
treatment
strategies.
Atorvastatin
calcium
(AC),
a
widely
used
lipid-lowering
anti-inflammation
in
clinic,
has
shown
antitumor
potential.
To
further
improve
efficacy,
we
developed
self-assembled
AC
polydopamine
(PDA)
nanoparticles
whose
surface
was
coated
with
macrophage
membranes
(CM)
as
biomimetic
delivery
system
[AC@PDA@CM
(APM)].
APM
showed
high
drug-loading
capacity,
excellent
stability,
bioavailability,
tumor-targeting
ability,
ultimately
achieving
photothermal
synergistic
immunotherapy.
Our
findings
indicate
that
efficiently
delivers
tumor
sites
while
leveraging
therapy
(PTT)
enhance
local
ablation
immune
effect.
Notably,
mitigates
immunosuppression
triggered
PTT
through
AC,
suppressing
COX-2/PGE2
pathway
evasion
signal
CD47.
Furthermore,
notably
reduced
nonspecific
distribution
side
effects,
which
is
conducive
ensuring
safety
level
of
medication.
This
integrated
approach
boosts
therapeutic
efficacy
highlights
potential
multifunctional
agent
therapy,
paving
way
future
applications.
Language: Английский
State-of-the-art photodynamic therapy for malignant gliomas: innovations in photosensitizers and combined therapeutic approaches
Exploration of Targeted Anti-tumor Therapy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
Glioblastoma
(GBM),
the
most
aggressive
and
lethal
primary
brain
tumor,
poses
a
significant
therapeutic
challenge
due
to
its
highly
invasive
nature
resistance
conventional
therapies,
including
surgery,
chemotherapy,
radiotherapy.
Despite
advances
in
standard
treatments,
patient
survival
remains
limited,
requiring
exploration
of
innovative
strategies.
Photodynamic
therapy
(PDT)
has
emerged
as
promising
approach,
leveraging
light-sensitive
photosensitizers
(PSs),
molecular
oxygen,
specific
light
wavelengths
generate
reactive
oxygen
species
(ROS)
that
selectively
induce
tumor
cell
death.
Originally
developed
for
skin
cancer,
PDT
evolved
target
more
complex
malignancies,
GBM.
The
refinement
second-
third-generation
PS,
coupled
with
advancements
nanotechnology,
significantly
improved
PDT's
selectivity,
bioavailability,
efficacy.
Moreover,
combination
targeted
therapy,
immunotherapy,
among
other
modalities,
shown
potential
enhancing
outcomes.
This
review
provides
comprehensive
analysis
preclinical
clinical
applications
GBM,
detailing
mechanisms
action,
evolution
novel
combinatory
strategies
optimize
treatment
However,
several
challenges
remain,
overcoming
GBM-associated
hypoxia,
PS
delivery
across
blood-brain
barrier,
mitigating
mechanisms.
integration
genetic
insight,
alongside
cutting-edge
nanotechnology-based
systems,
may
revolutionize
GBM
treatment,
offering
new
prospects
quality
life.
Language: Английский