RSC Advances,
Journal Year:
2023,
Volume and Issue:
13(21), P. 14131 - 14138
Published: Jan. 1, 2023
A
new
nano-contrast
agent
had
been
designed
to
respond
the
pH
of
microenvironment
breast
cancer,
enabling
CEST
MRI
imaging
identify
aggressiveness
different
subtypes
cancer.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Oct. 11, 2023
Abstract
Activating
the
strong
immune
system
is
a
key
initiative
to
counteract
dormant
tumors
and
prevent
recurrence.
Herein,
self‐destructive
multienzymatically
active
copper‐quinone‐GOx
nanoparticles
(abbreviated
as
CQG
NPs)
have
been
designed
induce
harmonious
balanced
pyroptosis
cuproptosis
using
“Tai
Chi
mindset”
awaken
response
for
suppressing
recurrent
tumors.
This
cleverly
material
can
disrupt
antioxidant
defense
mechanism
of
tumor
cells
by
inhibiting
nuclear
factor‐erythroid
2‐related
factor
2
(NRF2)‐quinone
oxidoreductase
1
(NQO1)
signaling
pathway.
Furthermore,
combined
with
its
excellent
multienzyme
activity,
it
activates
NOD‐like
receptor
protein
3
(NLRP3)‐mediated
pyroptosis.
Meanwhile,
be
triggered
copper
ions
released
from
disintegration
NPs
sensitivity
cancer
enhanced
through
depletion
endogenous
chelators
via
Michael
addition
reaction
between
glutathione
(GSH)
quinone
ligand,
oxygen
production
catalase‐like
reaction,
starvation‐induced
glucose
deficiency.
More
importantly,
NPs‐induced
promote
immunosuppressive
microenvironment
(TME)
remodeling,
enhance
infiltration
into
tumor,
activate
robust
systemic
immunity.
Collectively,
this
study
provides
new
strategy
resist
dormancy,
recurrence,
improve
clinical
prognosis
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(15)
Published: Feb. 11, 2024
Abstract
Overproduction
of
reactive
oxygen
species
(ROS),
metal
ion
accumulation,
and
tricarboxylic
acid
cycle
collapse
are
crucial
factors
in
mitochondria‐mediated
cell
death.
However,
the
highly
adaptive
nature
damage‐repair
capabilities
malignant
tumors
strongly
limit
efficacy
treatments
based
on
a
single
treatment
mode.
To
address
this
challenge,
self‐reinforced
bimetallic
Mito‐Jammer
is
developed
by
incorporating
doxorubicin
(DOX)
calcium
peroxide
(CaO
2
)
into
hyaluronic
(HA)
‐modified
metal‐organic
frameworks
(MOF).
After
cellular,
dissociates
CaO
Cu
2+
tumor
microenvironment.
The
exposed
further
yields
hydrogen
(H
O
Ca
weakly
acidic
environment
to
strengthen
‐based
Fenton‐like
reaction.
Furthermore,
combination
chemodynamic
therapy
overload
exacerbates
ROS
storms
mitochondrial
damage,
resulting
downregulation
intracellular
adenosine
triphosphate
(ATP)
levels
blocking
Cu‐ATPase
sensitize
cuproptosis.
This
multilevel
interaction
strategy
also
activates
robust
immunogenic
death
suppresses
metastasis
simultaneously.
study
presents
multivariate
model
for
revolutionizing
mitochondria
relying
continuous
retention
ions
boost
cuproptosis/immunotherapy
cancer.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: Feb. 23, 2024
Abstract
Autophagy,
a
lysosome‐involved
degradation
pathway,
as
self‐protective
cellular
process,
always
weakens
the
efficiency
of
tumor
therapies.
Herein,
for
first
time,
biodegradable
copper
(Cu)
ions
doped
layered
double
hydroxide
(Cu‐LDH)
nanoparticles
are
reported
cancer
immunotherapy
via
lysosomal
rupture‐mediated
“Broken
Window
Effect”.
Only
injection
Cu‐LDH
single
therapeutic
agent
achieves
various
organelles
destruction
after
rupture,
well
abnormal
aggregation
Cu
in
cells
cuproptosis
and
pyroptosis.
More
importantly,
autophagy
inhibition
caused
by
rupture
improves
overload‐mediated
pyroptosis
blocking
lysosome‐mediated
bulk
leading
to
good
anti‐tumor
immune
responses
ultimately
high‐efficiency
growth
inhibition.
This
Effect”
provides
new
paradigm
enhanced
therapy.
Acta Pharmaceutica Sinica B,
Journal Year:
2024,
Volume and Issue:
14(6), P. 2447 - 2474
Published: March 18, 2024
The
clinical
efficacy
of
current
cancer
therapies
falls
short,
and
there
is
a
pressing
demand
to
integrate
new
targets
with
conventional
therapies.
Autophagy,
highly
conserved
self-degradation
process,
has
received
considerable
attention
as
an
emerging
therapeutic
target
for
cancer.
With
the
rapid
development
nanomedicine,
nanomaterials
have
been
widely
utilized
in
therapy
due
their
unrivaled
delivery
performance.
Hence,
considering
potential
benefits
integrating
autophagy
nanotechnology
therapy,
we
outline
latest
advances
autophagy-based
nanotherapeutics.
Based
on
brief
background
related
nanotherapeutics
impact
tumor
progression,
feasibility
treatment
demonstrated.
Further,
developed
modulate
are
reviewed
from
perspective
cell
signaling
pathways,
including
modulation
mammalian
rapamycin
(mTOR)
pathway,
autophagy-related
(ATG)
its
complex
expression,
reactive
oxygen
species
(ROS)
mitophagy,
interference
autophagosome-lysosome
fusion,
inhibition
hypoxia-mediated
autophagy.
In
addition,
combination
which
nano-autophagy
combined
chemotherapy,
phototherapy,
immunotherapy
also
described.
Finally,
prospects
challenges
efficient
envisioned.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: May 25, 2024
Abstract
The
vigorous
development
of
cancer
nanomedicine
has
revolutionized
traditional
oncology
medicine,
but
it
is
also
limited
by
the
continuous
mutation
cunning
cells,
leading
to
apoptosis
insensitivity
and
therapeutic
disappointment.
Inflammatory‐regulated
cell
death
(RCD),
especially
pyroptosis‐related
death,
demonstrates
huge
potential
for
sensitization
due
its
unique
biochemical
characteristics.
aim
this
research
present
a
thorough
synopsis
current
knowledge
on
pyroptosis‐associated
inflammatory
including
pyroptosis,
cuproptosis,
PANoptosis,
synergistic
function
in
nano
therapy.
Paradigm
studies
death‐mediated
apoptosis‐sensitizing
tumor
nanotherapeutics
are
introduced
detail,
coordination
mechanisms
based
nanomaterials
discussed.
In
addition,
multi‐angle
analysis
future
prospects
pyroptosis‐sensitized
various
emphasized
further
expand
application
scope
RCD.
It
believed
that
emerging
auxiliary
treatments
RCD
will
greatly
promote
progress
nanomedicine.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(20), P. 26590 - 26603
Published: May 14, 2024
Photodynamic
therapy
(PDT)
based
on
upconversion
nanoparticles
(UCNPs)
has
been
widely
used
in
the
treatment
of
a
variety
tumors.
Compared
with
other
therapeutic
methods,
this
advantages
high
efficiency,
strong
penetration,
and
controllable
range.
PDT
kills
tumors
by
generating
large
amount
reactive
oxygen
species
(ROS),
which
causes
oxidative
stress
tumor.
However,
killing
effect
is
significantly
inhibited
tumor's
own
resistance
to
ROS.
This
because
can
either
deplete
ROS
concentration
glutathione
(GSH)
or
stimulate
autophagy
eliminate
ROS-generated
damage.
Furthermore,
tumor
also
consume
through
lactic
acid
metabolic
pathway,
ultimately
hindering
progress.
To
address
conundrum,
we
developed
UCNP-based
nanocomposite
for
enhanced
reducing
resistance.
First,
Ce6-doped
SiO2
encapsulated
UCNPs
ensure
efficient
energy
transfer
between
Ce6.
Then,
biodegradable
tetrasulfide
bond-bridged
mesoporous
organosilicon
(MON)
was
coated
outer
layer
load
chloroquine
(CQ)
α-cyano4-hydroxycinnamic
(CHCA).
Finally,
hyaluronic
utilized
modify
nanomaterials
realize
an
active-targeting
ability.
The
obtained
final
product
abbreviated
as
UCNPs@MON@CQ/CHCA@HA.
Under
980
nm
laser
irradiation,
upconverted
red
light
from
excited
Ce6
produce
singlet
(1O2),
thus
achieving
PDT.
loaded
CQ
CHCA
MON
achieved
multichannel
enhancement
Specifically,
blocked
process
cells,
uptake
cells.
In
addition,
consumed
level
intracellular
GSH.
way,
these
three
functions
complemented
each
other,
just
"three
musketeers"
punctured
multiple
angles,
both
vitro
vivo
experiments
had
demonstrated
elevated
efficacy
nanomaterials.