Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Окт. 10, 2024
Traditional
chemotherapeutic
agents
suffer
from
a
lack
of
selectivity,
poor
targeting
ability,
and
drug
resistance.
Developing
tumor-specific
therapies
is
crucial
for
precisely
eliminating
tumors
while
circumventing
toxicity
to
normal
tissues.
Disulfiram
(DSF),
an
FDA-approved
treating
alcohol
dependence,
exhibits
antitumor
effect
by
forming
complexes
with
copper
ions
(Cu(DDC)
ACS Nano,
Год журнала:
2024,
Номер
18(15), С. 10495 - 10508
Опубликована: Апрель 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,
Год журнала:
2024,
Номер
150(4)
Опубликована: Апрель 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,
Год журнала:
2024,
Номер
67(7), С. 5813 - 5836
Опубликована: Март 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,
Год журнала:
2024,
Номер
10(6), С. 3673 - 3692
Опубликована: Май 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.
Analytical Letters,
Год журнала:
2024,
Номер
unknown, С. 1 - 14
Опубликована: Март 1, 2024
Accurate
detection
of
copper
ions
is
crucial
since
it
an
essential
trace
element.
Carbon
quantum
dots
(CQDs)
were
prepared
from
apricot
leaves
using
a
hydrothermal
method.
These
CQDs,
which
generated
reference
signal,
combined
with
glutathione-bound
gold
nanoclusters
(GSH-AuNCs)
synthesized
by
the
reduction
chloroauric
acid
to
form
ratiometric
fluorescent
probe.
The
probe
exhibited
fluorescence
emission
at
450
nm
and
568
nm.
determination
Cu(II)
was
performed
through
visual
analysis
color
change
intensity
ratio
(I450/I568)
peaks.
Orange
GSH-AuNCs
responded
fluorescence,
blue
CQDs
chemically
inert.
probes
changed
pink
purple
in
response
different
concentrations
Cu(II).
linear
range
for
0
120
µmol/L,
limit
(LOD)
0.65
µmol/L.
This
study
has
demonstrated
that
provided
good
selectivity
detecting
water
potential
practical
application.