Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: Sept. 17, 2024
ABSTRACT
Copper
complexes
exhibit
promising
anticancer
properties,
which
can
be
further
promoted
by
suitable
ligands.
In
this
study,
we
synthesized
and
investigated
the
effects
of
three
copper(I)
with
N‐heterocyclic
carbene
(NHC)
ligands
derived
from
phenanthroline‐functionalized
imidazole
salts.
The
synthesis
these
NHC‐copper(I)
(
Cu1
‐
Cu3
)
was
meticulously
characterized
using
NMR
elemental
analysis;
their
crystal
structures
were
delineated
X‐ray
diffraction.
Our
findings
illustrate
unique
geometric
configurations
complexes:
features
a
dinuclear
arrangement
off‐linear
geometry;
Cu2
are
bi‐copper
core
stabilized
two
phenanthroline‐modified
Crucially,
in
vitro
cytotoxic
evaluations
revealed
that
possess
suitability
activity.
Among
them,
exhibited
enhanced
cytotoxicity
activity,
achieving
half‐maximal
inhibitory
concentration
(IC
50
4.36
±
0.25
μM
colon
cancer
cell
line
HCT‐116,
markedly
surpassing
efficacy
cisplatin.
Subsequent
investigations
elucidated
notably
increases
intracellular
reactive
oxygen
species
(ROS)
levels
induces
mitochondrial
membrane
depolarization
endoplasmic
reticulum
stress,
leading
to
oxidative
stress‐mediated
apoptosis
cells.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(15), P. 10495 - 10508
Published: April 1, 2024
Sonodynamic
therapy
(SDT)
has
promising
application
prospects
in
tumor
therapy.
However,
SDT
does
not
eradicate
metastatic
tumors.
Herein,
Cu-substituted
ZnAl
ternary
layered
double
hydroxide
nanosheets
(ZCA
NSs)
were
developed
as
both
sonosensitizers
and
copper
nanocarriers
for
synergistic
SDT/cuproptosis
cancer
An
optimized
electronic
structure
more
conducive
to
the
sonodynamic
process
was
obtained
from
ZCA
NSs
via
Jahn–Teller
effect
induced
by
introduction
of
Cu2+,
synthesized
regulated
intricate
microenvironment
(TME)
depleting
endogenous
glutathione
(GSH)
amplify
oxidative
stress
further
enhanced
performance.
Furthermore,
cuproptosis
evoked
intracellular
overload
Cu2+
amplified
SDT,
leading
irreversible
proteotoxicity.
In
vitro
results
showed
that
such
synergetic
triggered
immunogenic
cell
death
(ICD)
promoted
maturation
dendritic
cells
(DCs).
as-synthesized
NS-mediated
thoroughly
eradicated
vivo
solid
tumors
simultaneously
elicited
antitumor
immunity
suppress
lung
liver
metastasis.
Overall,
this
work
established
a
nanoplatform
with
satisfactory
immunity.
Journal of Cancer Research and Clinical Oncology,
Journal Year:
2024,
Volume and Issue:
150(4)
Published: April 25, 2024
Abstract
Copper
is
a
necessary
micronutrient
for
maintaining
the
well-being
of
human
body.
The
biological
activity
organic
ligands,
especially
their
anticancer
activity,
often
enhanced
when
they
coordinate
with
copper(I)
and
(II)
ions.
its
compounds
are
capable
inducing
tumor
cell
death
through
various
mechanisms
action,
including
activation
apoptosis
signaling
pathways
by
reactive
oxygen
species
(ROS),
inhibition
angiogenesis,
induction
cuproptosis,
paraptosis.
Some
copper
complexes
currently
being
evaluated
in
clinical
trials
ability
to
map
hypoxia
cancers,
locally
advanced
rectal
cancer
bulky
tumors.
Several
studies
have
shown
that
nanoparticles
can
be
used
as
effective
agents
chemodynamic
therapy,
phototherapy,
hyperthermia,
immunotherapy.
Despite
promising
copper-based
compounds,
use
subject
certain
limitations.
Elevated
concentrations
may
promote
growth,
metastasis
affecting
cellular
processes.
Journal of Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
67(7), P. 5813 - 5836
Published: March 22, 2024
Eight
2,2′:6′,2″-terpyridines,
substituted
at
the
4′-position
with
aromatic
groups
featuring
variations
in
π-conjugation,
ring
size,
heteroatoms,
and
methoxy
groups,
were
employed
to
enhance
antiproliferative
potential
of
[Cu2Cl2(R-terpy)2](PF6)2.
Assessing
cytotoxicity
A2780
(ovarian
carcinoma),
HCT116
(colorectal
HCT116DoxR
carcinoma
resistant
doxorubicin)
normal
primary
fibroblasts
revealed
that
Cu(II)
complexes
4-quinolinyl,
4-methoxy-1-naphthyl,
2-furanyl,
2-pyridynyl
substituents
showed
superior
therapeutic
cells
significantly
reduced
(42–129×
lower).
Besides
their
cytotoxicity,
are
able
increase
intracellular
ROS
interfere
cell
cycle
progression,
leading
death
by
apoptosis
autophagy.
Importantly,
they
demonstrated
antimetastatic
antiangiogenic
properties
without
vivo
toxicity.
In
accordance
nuclear
accumulation,
cleave
pDNA
interact
bovine
serum
albumin,
which
is
a
good
indication
ability
for
internalization
transport
toward
tumor
cells.
ACS Biomaterials Science & Engineering,
Journal Year:
2024,
Volume and Issue:
10(6), P. 3673 - 3692
Published: May 8, 2024
Copper
(Cu)
and
Cu-based
nanomaterials
have
received
tremendous
attention
in
recent
years
because
of
their
unique
physicochemical
properties
good
biocompatibility
the
treatment
various
diseases,
especially
cancer.
To
date,
researchers
designed
fabricated
a
variety
integrated
nanocomplexes
with
distinctive
nanostructures
applied
them
cancer
therapy,
mainly
including
chemotherapy,
radiotherapy
(RT),
photothermal
therapy
(PTT),
chemodynamic
(CDT),
photodynamic
(PDT),
cuproptosis-mediated
etc.
Due
to
limited
effect
single
method,
development
composite
diagnostic
nanosystems
that
integrate
PTT,
CDT,
PDT,
other
treatments
is
great
significance
offers
potential
for
next
generation
anticancer
nanomedicines.
In
view
rapid
field
this
review
focuses
on
current
state
research
nanomaterials,
followed
by
discussion
combined
therapy.
Moreover,
challenges
future
prospects
clinical
translation
are
proposed
provide
some
insights
into
design
nanotherapeutic
platforms.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(29)
Published: July 4, 2024
Copper
is
indispensable
to
organisms,
while
its
homeostatic
imbalance
may
interference
normal
cellular
physiological
processes
and
even
induce
cell
death.
Artificially
regulating
copper
content
provides
a
viable
strategy
activate
antineoplastic
effect.
In
light
of
this,
ions
homeostasis
perturbator
(CuP-CL)
with
cinnamaldehyde
(Cin)
packaging
thermosensitive
liposome
coating
reported.
Following
laser
exposure,
the
doping
Cu
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
Abstract
Cuproptosis
is
a
newly
discovered
copper‐dependent
form
of
cell
death.
Intracellular
glutathione
(GSH)
acts
as
copper
chelator
to
inhibit
cuproptosis,
so
the
reduction
GSH
concentration
conducive
enhancing
cuproptosis
cells.
In
order
reduce
content
and
interfere
with
mitochondrial
metabolism,
strategy
based
on
calcium
overload
depletion
enhance
proposed
in
this
study.
Containing
manganese
(Mn)
(Cu)
elements,
CaCO
3
nanoparticles
(NPs)
are
modified
MCF‐7
aptamer
(CaCO
/Mn/Cu@lip‐Apt).
When
entering
cell,
/Mn/Cu@lip‐Apt
decomposed
released
Mn*
(Mn
2+
/Mn
3+
4+
),
Cu
Ca
.
The
high
valence
Mn
ion
can
effectively
consume
produce
which
catalyzed
H
2
O
reactive
oxygen
species
(ROS),
while
reducing
concentration.
production
ROS
promoted
influx
exogenous
large
accumulation
led
intracellular
overload,
resulting
dysfunction
metabolism
disorders.
,
turn
triggered
cuproptosis.
This
showed
excellent
antitumor
effects
provided
new
way
study
disease
treatment.