Materials Today Bio,
Год журнала:
2024,
Номер
26, С. 101085 - 101085
Опубликована: Май 5, 2024
Breast
cancer
is
the
most
diagnosed
malignancy
in
women
globally,
and
drug
resistance
among
major
obstacles
to
effective
breast
treatment.
Emerging
evidence
indicates
that
photothermal
therapy
ferroptosis
are
both
promising
therapeutic
techniques
for
treatment
of
drug-resistant
tumors.
In
this
study,
we
proposed
a
thermal/ferroptosis/magnetic
resonance
imaging
(MRI)
triple
functional
nanoparticle
(I@P-ss-FRT)
which
ferritin,
an
iron
storage
material
with
excellent
cellular
uptake
capacity,
was
attached
via
disulfide
bonds
onto
polydopamine
coated
oxide
(I@P)
as
transduction
agent
MRI
probe.
I@P-ss-FRT
converted
near-infrared
light
(NIR)
into
localized
heat
accelerated
release
ferrous
ions
from
ferritin
accomplished
by
glutathione
reduction
subsequently
induced
ferroptosis.
The
cell
lines
exhibited
more
significant
sensitivity
PTT/ferroptosis
compared
normal
lines.
vivo,
plus
NIR
displayed
best
tumor-killing
potential
inhibitory
rate
83.46%,
along
decline
GSH/GPX-4
content
increase
lipid
peroxides
generation
at
tumor
sites.
Therefore,
can
be
applied
combat
cancer.
Nanoparticles
(NPs)
have
become
one
of
the
most
popular
objects
scientific
study
during
past
decades.
However,
despite
wealth
reports,
still
there
is
a
gap,
particularly
in
health
toxicology
studies,
underlying
mechanisms,
and
related
evaluation
models
to
deeply
understanding
NPs
risk
effects.
In
this
review,
we
first
present
comprehensive
landscape
applications
on
health,
especially
addressing
role
medical
diagnosis,
therapy.
Then,
toxicity
systems
introduced.
We
describe
detail
effects
various
systems,
including
respiratory,
nervous,
endocrine,
immune,
reproductive
carcinogenicity
NPs.
Furthermore,
unravels
mechanisms
ROS
accumulation,
mitochondrial
damage,
inflammatory
reaction,
apoptosis,
DNA
cell
cycle,
epigenetic
regulation.
addition,
classical
such
as
lines
mice
emerging
3D
organoids
used
for
evaluating
or
are
both
Overall,
review
presents
critical
summary
state
NPs,
giving
readers
more
better
remedy
key
gaps
knowledge
techniques.
Advanced Materials,
Год журнала:
2023,
Номер
35(35)
Опубликована: Апрель 20, 2023
Photothermal
therapy
(PTT)
has
received
increasing
interest
in
cancer
therapeutics
owing
to
its
excellent
efficacy
and
controllability.
However,
there
are
two
major
limitations
PTT
applications,
which
the
tissue
penetration
depth
of
lasers
within
absorption
range
photothermal
agents
unavoidable
empyrosis
induced
by
high-energy
lasers.
Herein,
a
gas/phototheranostic
nanocomposite
(NA1020-NO@PLX)
is
engineered
that
integrates
second
near-infrared-peak
(NIR-II-peak)
absorbing
aza-boron-dipyrromethenes
(aza-BODIPY,NA1020)
with
thermal-sensitive
nitric
oxide
(NO)
donor
(S-nitroso-N-acetylpenicillamine,
SNAP).
An
enhanced
intramolecular
charge
transfer
mechanism
proposed
achieve
NIR-II-peak
absorbance
(λmax
=
1020
nm)
on
NA1020,
thereby
obtaining
deep
depth.
The
NA1020
exhibits
remarkable
conversion,
making
it
feasible
for
deep-tissue
orthotopic
osteosarcoma
providing
favorable
NIR-II
emission
precisely
pinpoint
tumor
visible
process.
simultaneously
investigated
atraumatic
therapeutic
process
an
cell
apoptosis
indicates
feasibility
synergistic
NO/low-temperature
osteosarcoma.
this
strategy
optimizes
existing
present
repeatable
tumors,
validating
potential
clinical
applications.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
Ferroptosis,
an
iron-dependent
form
of
regulatory
cell
death,
has
garnered
significant
interest
as
a
therapeutic
target
in
cancer
treatment
due
to
its
distinct
characteristics,
including
lipid
peroxide
generation
and
redox
imbalance.
However,
clinical
application
oncology
is
currently
limited
by
issues
such
suboptimal
efficacy
potential
off-target
effects.
The
advent
nanotechnology
provided
new
way
for
overcoming
these
challenges
through
the
development
activatable
magnetic
nanoparticles
(MNPs).
These
innovative
MNPs
are
designed
improve
specificity
ferroptosis
induction.
This
Review
delves
into
chemical
biological
principles
guiding
design
ferroptosis-based
therapies
imaging-guided
therapies.
It
discusses
mechanisms
attributes
ferroptosis,
composition
MNPs,
their
mechanism
action
inducers,
integration
with
advanced
imaging
techniques
monitoring.
Additionally,
we
examine
convergence
other
strategies,
chemodynamic
therapy,
photothermal
photodynamic
sonodynamic
immunotherapy,
within
context
nanomedicine
strategies
utilizing
MNPs.
highlights
multifunctional
surpass
limitations
conventional
treatments,
envisioning
future
drug-resistance-free,
precision
diagnostics
treating
recalcitrant
cancers.
Nanoscale,
Год журнала:
2023,
Номер
15(29), С. 12137 - 12156
Опубликована: Янв. 1, 2023
Nanozymes
are
nanomaterials
with
catalytic
properties
similar
to
those
of
natural
enzymes,
and
they
have
recently
been
collectively
identified
as
a
class
innovative
artificial
enzymes.
Abstract
Mild
magnetic
hyperthermia
therapy
(MMHT)
holds
great
potential
in
treating
deep‐seated
tumors,
but
its
efficacy
is
impaired
by
the
upregulation
of
heat
shock
proteins
(HSPs)
during
treatment
process.
Herein,
Lac‐FcMOF,
a
lactose
derivative
(Lac‐NH
2
)
modified
paramagnetic
metal‐organic
framework
(FcMOF)
with
property
and
thermal
stability,
has
been
developed
to
enhance
MMHT
therapeutic
efficacy.
In
vitro
studies
showed
that
Lac‐FcMOF
aggravates
two‐way
regulated
redox
dyshomeostasis
(RDH)
via
magnetothermal‐accelerated
ferricenium
ions‐mediated
consumption
glutathione
ferrocene‐catalyzed
generation
∙OH
induce
oxidative
damage
inhibit
protein
70
(HSP70)
synthesis,
thus
significantly
enhancing
anti‐cancer
MMHT.
Aggravated
RDH
promotes
peroxidase
4
inactivation
lipid
peroxidation
promote
ferroptosis,
which
further
synergizes
H22‐tumor‐bearing
mice
treated
under
alternating
field
(AMF)
demonstrated
90.4%
inhibition
tumor
growth.
This
work
therefore
provides
new
strategy
for
simple
construction
agent
enables
efficient
downregulating
HSPs
promoting
ferroptosis
through
aggravation
RDH.
International Journal of Nanomedicine,
Год журнала:
2023,
Номер
Volume 18, С. 3973 - 3988
Опубликована: Июль 1, 2023
Abstract:
Pancreatic
cancer
is
a
highly
malignant
and
incurable
disease,
characterized
by
its
aggressive
nature
high
fatality
rate.
The
most
common
type
pancreatic
ductal
adenocarcinoma
(PDAC),
which
has
poor
prognosis
mortality
Current
treatments
for
mainly
encompass
surgery,
chemotherapy,
radiotherapy,
targeted
therapy,
combination
regimens.
However,
despite
efforts
to
improve
prognosis,
the
5-year
survival
rate
remains
very
low.
Therefore,
it's
urgent
explore
novel
therapeutic
approaches.
With
rapid
development
of
strategies
in
recent
years,
new
ideas
have
been
provided
treating
cancer.
This
review
expositions
advancements
nano
drug
delivery
system,
molecular
drugs,
photo-thermal
treatment
combined
with
nanotechnology
It
comprehensively
analyzes
prospects
cancer,
aiming
at
deeper
understanding
existing
drugs
approaches,
promoting
attempting
enhance
effect
patients
this
disease.
Keywords:
ACS Materials Letters,
Год журнала:
2023,
Номер
5(3), С. 762 - 774
Опубликована: Фев. 6, 2023
Bacterial
infections
are
common
complications
for
diabetic
wounds
and
represent
a
considerable
challenge
wound
therapy.
Diabetic
differ
from
those
of
normal
wounds.
Owing
to
the
special
microenvironment
around
them,
more
susceptible
infection
difficult
heal.
Nanozymes
great
significance
treat
bacterial
through
unique
catalytic
activities,
particularly
controlling
drug-resistant
bacteria.
However,
their
intrinsically
low
activity
largely
restricts
bactericidal
function.
Therefore,
it
is
crucial
design
develop
novel
antibacterial
modalities
with
multiple
mechanisms
action.
In
this
study,
we
synthesize
CeO2/Nb2C
nanocomposite
dual
functions
peroxidase
an
excellent
near-infrared
(NIR)
photothermal
property.
Under
808
nm
laser
irradiation,
produced
effect
simultaneously
displayed
synergistic
enzyme
property,
thereby
killing
bacteria
in
sustained
manner
than
80%
sterilization
ratio.
The
could
accelerate
recovery
when
skin
lesions
infected
methicillin-resistant
Staphylococcus
aureus
(MRSA)
were
irradiated
mouse
model.
An
RNA
sequencing
assay
was
used
profile
dynamic
transcriptome
MRSA.
data
set
reveals
that
experience
dysfunction
energy
metabolism,
cell
morphology,
oxidative
stress
systems
during
treatment
under
NIR
which
further
affects
survival.
Moreover,
exhibits
good
biosafety
vitro
vivo,
indicates
potency
as
agents.
This
study
provides
strategy
by
combination
nanozymes
effective
MRSA-related
infection.