Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 12, 2024
Abstract
The
intratumor
microbiota
results
in
the
immunosuppressive
microenvironment
and
facilitates
tumor
growth
metastasis.
However,
developing
a
synergistic
therapy
with
antitumor,
antibacterial,
antimetastatic
effects
faces
enormous
challenges.
Here,
we
propose
an
innovative
metal
chelation
to
effectively
eliminate
bacteria
suppress
Different
from
traditional
that
only
consumes
elements,
this
not
eliminates
crucial
elements
for
metabolism
but
also
releases
new
ions
antitumor
antibacterial
properties.
Based
on
high
demand
copper
breast
cancer,
prepare
fibrous
therapeutic
nanoagent
(Zn‐PEN)
by
chelating
chelator
D‐Penicillamine
(D‐PEN)
Zn
2+
.
Firstly,
Zn‐PEN
achieves
dual
inhibition
of
oxidative
phosphorylation
(OXPHOS)
glycolysis
cancer
through
depletion
activated
cGAS‐STING
pathway,
thus
inducing
cell
death.
Secondly,
has
capability
eradicate
Fusobacterium
nucleatum
(
F.
)
thereby
mitigating
its
impact
microenvironment.
Finally,
inhibits
metastasis
multiple
routes,
including
epithelial‐mesenchymal
transition
(EMT)
process,
activation
elimination
Therefore,
verify
feasibility
mediated
4T1
model
infected
,
providing
strategy
inhibiting
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 27, 2024
Cuproptosis
is
a
novel
copper-dependent
programmed
cell
death.
The
efficacy
of
cuproptosis
highly
dependent
on
intracellular
copper
accumulation
and
counteracted
by
high
level
glutathione
(GSH)
in
tumor
cells.
Here,
this
work
develops
self-amplified
nanoparticles
(Cel-Cu
NP)
using
celastrol
(Cel),
natural
product
isolated
from
medical
plant.
In
Cel-Cu
NP,
Cel
serves
as
versatile
ionophore,
exhibiting
an
ideal
coordination
capacity
toward
ions
without
compromising
the
induction.
Notably,
can
simultaneously
scavenge
GSH
content
to
amplify
cuproptosis.
Moreover,
further
activates
immunogenic
death
(ICD)
elicit
robust
immune
response.
Combining
with
checkpoint
blockade,
NP
effectively
eradicates
metastatic
tumors
mouse
lung
metastasis
model.
This
study
provides
efficient
nanomedicine
inducing
for
immunotherapy.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(23)
Published: April 6, 2024
Abstract
Cuproptosis
is
a
newly
discovered
form
of
programmed
cell
death
significantly
depending
on
the
transport
efficacy
copper
(Cu)
ionophores.
However,
existing
Cu
ionophores,
primarily
small
molecules
with
short
blood
half‐life,
face
challenges
in
transporting
enough
amounts
ions
into
tumor
cells.
This
work
describes
construction
carrier‐free
nanoparticles
(Ce6@Cu
NPs),
which
self‐assembled
by
coordination
2+
sonosensitizer
chlorin
e6
(Ce6),
facilitating
sonodynamic‐triggered
combination
cuproptosis
and
ferroptosis.
Ce6@Cu
NPs
internalized
U87MG
cells
induce
sonodynamic
effect
glutathione
(GSH)
depletion
capability,
promoting
lipid
peroxidation
eventually
inducing
Furthermore,
+
concentration
increases
as
reacts
reductive
GSH,
resulting
downregulation
ferredoxin‐1
lipoyl
synthase.
induces
oligomerization
lipoylated
dihydrolipoamide
S‐acetyltransferase,
causing
proteotoxic
stress
irreversible
cuproptosis.
possess
satisfactory
ability
to
penetrate
blood‐brain
barrier,
significant
accumulation
orthotopic
U87MG‐Luc
glioblastoma.
The
ferroptosis
evidenced
both
vitro
vivo
minimal
side
effects.
represents
promising
therapeutic
strategy
combining
cuproptosis,
potentially
inspiring
further
research
developing
logical
effective
cancer
therapies
based
Exploration,
Journal Year:
2024,
Volume and Issue:
4(6)
Published: March 22, 2024
Abstract
Metals
are
an
emerging
topic
in
cancer
immunotherapy
that
have
shown
great
potential
modulating
immunity
cycle
and
promoting
antitumor
by
activating
the
intrinsic
immunostimulatory
mechanisms
which
been
identified
recent
years.
The
main
challenge
of
metal‐assisted
lies
fact
free
metals
as
ion
forms
easily
cleared
during
circulation,
even
cause
systemic
metal
toxicity
due
to
off‐target
effects.
With
rapid
development
nanomedicine,
metal‐based
smart
nanosystems
(MSNs)
with
unique
controllable
structure
become
one
most
promising
delivery
carriers
solve
issue,
owing
their
various
endogenous/external
stimuli‐responsiveness
release
ions
for
metalloimmunotherapy.
In
this
review,
state‐of‐the‐art
research
progress
metal‐related
is
comprehensively
summarized.
First,
mainstream
MSNs‐assisted
will
be
delineated.
immunological
effects
certain
categorization
MSNs
different
characters
compositions
then
provided,
followed
representative
exemplar
applications
treatment,
synergistic
combination
immunotherapy.
Finally,
we
conclude
review
a
summary
remaining
challenges
associated
provide
authors'
perspective
on
further
advances.
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: July 5, 2024
Abstract
Copper
is
a
crucial
trace
element
that
plays
role
in
various
pathophysiological
processes
the
human
body.
also
acts
as
transition
metal
involved
redox
reactions,
contributing
to
generation
of
reactive
oxygen
species
(ROS).
Under
prolonged
and
increased
ROS
levels,
oxidative
stress
occurs,
which
has
been
implicated
different
types
regulated
cell
death.
The
recent
discovery
cuproptosis,
copper-dependent
death
pathway
distinct
from
other
known
forms,
raised
interest
researchers
field
cancer
therapy.
Herein,
present
work
aims
outline
current
understanding
with
an
emphasis
on
its
anticancer
activities
through
interplay
copper-induced
stress,
thereby
providing
new
ideas
for
therapeutic
approaches
targeting
modes
future.
Journal of Hematology & Oncology,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Aug. 16, 2024
Cuproptosis
is
a
newly
identified
form
of
cell
death
induced
by
excessive
copper
(Cu)
accumulation
within
cells.
Mechanistically,
cuproptosis
results
from
Cu-induced
aggregation
dihydrolipoamide
S-acetyltransferase,
correlated
with
the
mitochondrial
tricarboxylic
acid
cycle
and
loss
iron–sulfur
cluster
proteins,
ultimately
resulting
in
proteotoxic
stress
triggering
death.
Recently,
has
garnered
significant
interest
tumor
research
due
to
its
potential
as
crucial
therapeutic
strategy
against
cancer.
In
this
review,
we
summarized
cellular
molecular
mechanisms
relationship
other
types
Additionally,
reviewed
current
drugs
or
strategies
available
induce
cells,
including
Cu
ionophores,
small
compounds,
nanomedicine.
Furthermore,
targeted
metabolism
specific
regulatory
genes
cancer
therapy
enhance
sensitivity
cuproptosis.
Finally,
discussed
feasibility
targeting
overcome
chemotherapy
immunotherapy
resistance
suggested
future
directions.
This
study
that
could
open
new
avenues
for
developing
therapy.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Copper-based
nanoparticles
have
garnered
significant
interest
in
cancer
therapy
due
to
their
ability
induce
oxidative
stress
and
cuproptosis
cells.
However,
antitumor
effectiveness
is
constrained
by
the
dynamic
redox
balance
metabolic
shift
between
phosphorylation
glycolysis.
Here,
a
polydopamine-coated
copper-α-ketoglutaric
acid
(α-KG)
coordination
polymer
nanoparticle
(CKPP)
designed
for
combined
pyroptosis-cuproptosis
immunotherapy
amplifying
reactive
oxygen
species
(ROS)
production
regulating
cellular
metabolism.
The
intracellular
imbalance
achieved
through
synergistic
effects
of
α-KG-induced
mitochondrial
reprogramming,
photothermally
enhanced
superoxide
dismutase-like
activity
polydopamine,
glutathione
depletion
copper
ions.
multifaceted
modulation
results
substantial
increase
ROS
levels,
triggering
subsequent
pyroptosis
Furthermore,
α-KG
shifts
metabolism
from
glycolysis
phosphorylation,
thereby
enhancing
induced
combination
dyshomeostasis
inhibition
potent
enhancement
pyroptosis-cuproptosis-mediated
therapy.
In
murine
model
colorectal
cancer,
CKPP
exhibited
remarkable
anticancer
effect,
achieving
tumor
rate
96.3%
complete
eradication
two
out
five
cases.
Overall,
this
bio-engineered
metal-organic
nanocomposite
demonstrates
potential
treating
immunotherapy.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(45)
Published: Sept. 17, 2024
Abstract
The
overexpression
of
polyamines
in
tumor
cells
contributes
to
the
establishment
immunosuppressive
microenvironment
and
facilitates
growth.
Here,
it
have
ingeniously
designed
multifunctional
copper‐piceatannol/HA
nanopills
(Cu‐Pic/HA
NPs)
that
effectively
cause
total
intracellular
depletion
by
inhibiting
synthesis,
depleting
polyamines,
impairing
uptake,
resulting
enhanced
pyroptosis
cuproptosis,
thus
activating
a
powerful
immune
response
achieve
anti‐tumor
therapy.
Mitochondrial
dysfunction
from
overall
not
only
leads
surge
copper
ions
mitochondria,
thereby
causing
aggregation
toxic
proteins
induce
but
also
triggers
accumulation
reactive
oxygen
species
(ROS)
within
which
further
upregulates
expression
zDHHC5
zDHHC9
promote
palmitoylation
gasdermin
D
(GSDMD)
GSDMD‐N,
ultimately
inducing
pyroptosis.
Then
occurrence
cuproptosis
is
conductive
remodel
microenvironment,
responses
growth
metastasis.
This
therapeutic
strategy
through
comprehensive
provides
novel
template
for
cancer
immunotherapy.