Biomedical Materials,
Journal Year:
2024,
Volume and Issue:
19(4), P. 045035 - 045035
Published: June 10, 2024
Chemotherapeutic
agents
hold
significant
clinical
potential
in
combating
tumors.
However,
delivering
these
drugs
to
the
tumor
site
for
controlled
release
remains
a
crucial
challenge.
In
this
study,
we
synthesize
and
construct
glutathione
(GSH)
acid
dual-responsive
bismuth-based
nano-delivery
platform
(BOD),
aiming
sonodynamic
enhancement
of
docetaxel
(DTX)-mediated
therapy.
The
bismuth
nanomaterial
can
generate
multiple
reactive
oxygen
species
under
ultrasound
stimulation.
Furthermore,
loading
DTX
form
BOD
effectively
reduces
toxicity
bloodstream,
ensuring
its
cytotoxic
effect
is
predominantly
exerted
at
site.
be
well
released
high
expression
GSH
acidic
microenvironment.
Meanwhile,
also
promote
DTX.
Results
from
both
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 8, 2025
Hydrogen
therapy
has
shown
new
potential
in
cancer
treatment,
particularly
high-pressure
and
hypoxic
areas,
where
it
demonstrates
the
ability
to
alter
tumor
microenvironment
regulate
metabolism.
disrupts
mitochondrial
function
of
cells,
interferes
with
their
energy
metabolism,
ultimately
leads
depletion
apoptosis.
In
this
study,
a
sonocatalyst
(BPM),
is
designed
generate
hydrogen
oxygen
situ
within
tumors,
further
enhancing
therapeutic
efficacy.
The
mesocrystalline
structure
BPM,
composed
bismuth
fluoride,
polyoxometalates,
molybdenum
carbide,
significantly
improves
charge
separation
electron
transfer
efficiency
under
ultrasound
irradiation,
resulting
an
efficient
water-splitting
reaction.
By
simultaneously
generating
depleting
glutathione,
BPM
effectively
triggers
oxidative
stress
alleviates
hypoxia,
thereby
disrupting
inhibiting
metabolism
cells.
Additionally,
enhances
antitumor
immune
responses
by
promoting
dendritic
cell
maturation,
activating
T
lymphocytes,
polarizing
macrophages
toward
M1
phenotype,
reversing
immunosuppressive
state
microenvironment.
results
indicate
that
holds
for
gas-immunotherapy
combination
treatments,
offering
multifunctional
strategy
improve
outcomes.
Inorganics,
Journal Year:
2025,
Volume and Issue:
13(3), P. 71 - 71
Published: Feb. 26, 2025
As
a
non-invasive
modality,
sonodynamic
therapy
(SDT)
offers
several
advantages
in
cancer
treatment,
including
deep
tissue
penetration
and
precise
spatiotemporal
control,
resulting
from
the
interplay
between
low-intensity
ultrasound
sonosensitizers.
Piezoelectric
materials,
known
for
their
remarkable
capacity
of
interconversion
mechanical
electrical
energy,
have
garnered
considerable
attention
biomedical
applications,
which
can
serve
as
pivotal
sonosensitizers
SDT.
These
materials
generate
internal
electric
fields
via
ultrasound-induced
deformation,
modulates
alteration
charge
carriers,
thereby
initiating
surface
redox
reactions
to
reactive
oxygen
species
(ROS)
realizing
therapeutic
efficacy
This
review
provides
an
in-depth
exploration
piezoelectric
utilized
SDT,
with
particular
emphasis
on
recent
innovations,
elucidation
underlying
mechanisms,
optimization
strategies
advanced
materials.
Furthermore,
incorporation
immunotherapy,
photodynamic,
chemodynamic,
chemotherapy
is
explored,
emphasizing
potential
enhance
outcomes.
By
examining
basic
principles
effect
its
contributions
this
sheds
light
promising
applications
oncology.
It
also
highlights
future
directions
improving
these
expanding
clinical
utility
tumor
therapy.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(12), P. 14406 - 14418
Published: June 7, 2024
The
therapeutic
efficacy
of
monotherapy
on
tumors
is
often
limited
due
to
the
constraints
tumor
response
conditions,
significantly
impacting
clinical
treatment
outcomes.
In
this
study,
we
design
a
collaborative
nanosystem
(BBSP)
that
combines
photodynamic
therapy
(PDT)
and
photothermal
(PTT).
system
formulated
by
doping
sulfur
ions
modulate
wide
band
gap
BiF3
semiconductor
nanospheres.
introduction
its
combination
with
bismuth
not
only
enhance
light
absorption
but
also
introduce
oxygen
vacancies
local
surface
plasmon
resonance
effect
bismuth.
Compared
BiF3,
reduced
carrier
separation
efficiency
improved.
Under
irradiation
520
nm
laser,
electrons
reduce
in
process
transition
meanwhile
give
energy
O2,
producing
large
number
reactive
species
(ROS).
Simultaneously,
holes
valence
oxidize
glutathione
(GSH),
coordination
ion
GSH
further
depletes
GSH.
RNA
sequencing
results
reveal
downregulation
GPX4
cells,
inducing
ferroptosis.
Additionally,
sulfide
augmented
absorption,
synergizing
heat,
thereby
increasing
oxidative
damage
inhibiting
growth.
BBSP
emerges
as
promising
strategy
for
treatment,
orchestrating
ferroptosis
apoptosis
through
combined
application
PDT
PTT.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Two-dimensional
rare
earth-containing
nanomaterials
are
promising
candidates
in
biomedical
applications
such
as
drug
delivery,
bio-imaging,
antibacterial
and
cancer
treatment
due
to
their
unique
structure
versatile
energy
levels.