Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
169, P. 115839 - 115839
Published: Nov. 16, 2023
Copper-induced
cell
death,
also
known
as
cuproptosis,
is
distinct
from
other
types
of
death
such
apoptosis,
necrosis,
and
ferroptosis.
It
can
trigger
the
accumulation
lethal
reactive
oxygen
species,
leading
to
onset
progression
aging.
The
significant
increases
in
copper
ion
levels
aging
populations
confirm
a
close
relationship
between
homeostasis
vascular
On
hand,
closely
related
occurrence
various
cardiovascular
diseases
throughout
process.
However,
specific
causes
are
not
clear,
different
living
environments
stress
patterns
lead
individualized
By
exploring
correlations
copper-induced
aging,
we
gain
novel
perspective
on
pathogenesis
enhance
prognosis
atherosclerosis.
This
article
aims
provide
comprehensive
review
impacts
including
their
effects
endothelial
cells,
smooth
muscle
oxidative
stress,
ferroptosis,
intestinal
flora,
factors.
Furthermore,
intend
discuss
potential
strategies
involving
cuproptosis
new
insights
for
copper-related
Autophagy,
Journal Year:
2023,
Volume and Issue:
19(7), P. 1982 - 1996
Published: Jan. 9, 2023
Ferroptosis
is
a
type
of
iron-dependent
regulated
cell
death
characterized
by
unrestricted
lipid
peroxidation
and
membrane
damage.
Although
GPX4
(glutathione
peroxidase
4)
plays
master
role
in
blocking
ferroptosis
eliminating
phospholipid
hydroperoxides,
the
regulation
remains
poorly
understood.
Here,
we
report
an
unexpected
for
copper
promoting
ferroptotic
death,
but
not
cuproptosis,
inducing
macroautophagic/autophagic
degradation
GPX4.
Copper
chelators
reduce
sensitivity
do
inhibit
other
types
such
as
apoptosis,
necroptosis,
alkaliptosis.
Conversely,
exogenous
increases
ubiquitination
formation
aggregates
directly
binding
to
protein
cysteines
C107
C148.
TAX1BP1
(Tax1
1)
then
acts
autophagic
receptor
subsequent
response
stress.
Consequently,
enhances
ferroptosis-mediated
tumor
suppression
mouse
model
pancreatic
cancer
tumor,
whereas
attenuate
experimental
acute
pancreatitis
associated
with
ferroptosis.
Taken
together,
these
findings
provide
new
insights
into
link
between
metal
stress
autophagy-dependent
death.Abbreviations:
CALCOCO2,
calcium
coiled-coil
domain
2;
GPX4,
glutathione
4;
MAP1LC3A/B,
microtubule
1
light
chain
3
alpha/beta;
MPO,
myeloperoxidase;
NCOA4,
nuclear
coactivator
OPTN,
optineurin;
PDAC,
ductal
adenocarcinoma;
RIPK1,
interacting
serine/threonine
kinase
1;
ROS,
reactive
oxygen
species;
SLC40A1,
solute
carrier
family
40
member
SQSTM1,
sequestosome
TAX1BP1,
Tax1
TEPA,
tetraethylenepentamine;
TM,
tetrathiomolybdate.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Aug. 4, 2022
Cuproptosis
is
a
novel
copper
ion-dependent
cell
death
type
being
regulated
in
cells,
and
this
quite
different
from
the
common
patterns
such
as
apoptosis,
pyroptosis,
necroptosis,
ferroptosis.
Interestingly,
like
with
patterns,
cuproptosis-related
genes
have
recently
been
reported
to
regulate
occurrence
progression
of
various
tumors.
However,
bladder
cancer,
link
between
cuproptosis
clinical
outcome,
tumor
microenvironment
(TME)
modification,
immunotherapy
unknown.
To
determine
role
cuprotosis
microenvironment,
we
systematically
examined
characteristic
10
cancer
(BLCA).
By
analyzing
principal
component
data,
established
score
degree
among
patients.
Finally,
evaluated
potential
these
values
predicting
BLCA
prognosis
treatment
responses.
A
comprehensive
study
mutations
specimens
was
conducted
at
genetic
level,
their
expression
survival
were
using
The
Cancer
Genome
Atlas
(TCGA)
Gene
Expression
Omnibus
(GEO).
Two
constructed
based
on
transcription
level
genes,
featuring
differences
infiltrating
landscape
immune
cells
(especially
T
dendritic
cells)
interactions
TME.
Our
further
demonstrated
that
may
predict
prognosis,
immunophenotype
sensitivity
chemotherapy,
response
development
are
likely
be
influenced
by
cuproptosis,
which
involve
diverse
complex
pattern
our
enhance
understanding
infiltrations
guide
more
potent
interventions.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Aug. 1, 2022
Cuproptosis
is
a
copper-dependent
cell
death
mechanism
that
associated
with
tumor
progression,
prognosis,
and
immune
response.
However,
the
potential
role
of
cuproptosis-related
genes
(CRGs)
in
microenvironment
(TME)
triple-negative
breast
cancer
(TNBC)
remains
unclear.In
total,
346
TNBC
samples
were
collected
from
The
Cancer
Genome
Atlas
database
three
Gene
Expression
Omnibus
datasets,
classified
using
R
software
packages.
relationships
between
different
subgroups
clinical
pathological
characteristics,
infiltration
mutation
status
TME
examined.
Finally,
nomogram
calibration
curve
constructed
to
predict
patient
survival
probability
improve
applicability
CRG_score.We
identified
two
CRG
clusters
characteristics
highly
consistent
those
immune-inflamed
immune-desert
clusters.
Furthermore,
we
demonstrated
gene
signature
can
be
used
evaluate
infiltration,
features,
prognostic
status.
Low
CRG_scores
characterized
by
high
burden
activation,
good
probability,
more
immunoreactivity
CTLA4,
while
activation
stromal
pathways
immunosuppression.This
study
revealed
effects
CRGs
on
TME,
clinicopathological
prognosis
TNBC.
closely
immunity
are
tool
for
predicting
prognosis.
Our
data
provide
new
directions
development
novel
drugs
future.
World Journal of Surgical Oncology,
Journal Year:
2022,
Volume and Issue:
20(1)
Published: Sept. 1, 2022
Lung
adenocarcinoma
(LUAD)
accounts
for
50%
of
lung
cancers,
with
high
mortality
and
poor
prognosis.
Long
non-coding
RNA
(lncRNA)
plays
a
vital
role
in
the
progression
tumors.
Cuproptosis
is
newly
discovered
form
cell
death
that
highly
investigated.
Therefore,
present
study,
we
aimed
to
investigate
cuproptosis-related
lncRNA
signature
clinical
prognosis
prediction
immunotherapy
relationship
drug
sensitivity.Genomic
data
were
obtained
from
The
Cancer
Genome
Atlas
(TCGA)
Gene
Expression
Omnibus
(GEO)
databases,
genes
studies.
prognostic
was
constructed
by
co-expression
analysis
Cox
regression
analysis.
Patients
divided
into
low
risk
groups,
then,
further
series
model
validations
carried
out
assess
value
signature.
Subsequently,
lncRNAs
analyzed
gene
ontology
(GO),
Kyoto
Encyclopedia
Genes
Genomes
Enrichment
(KEGG),
immune-related
functions,
tumor
mutation
burden
(TMB).
Finally,
used
immune
dysfunction
exclusion
(TIDE)
algorithms
on
escape
lncRNAs,
thereby
identifying
its
sensitivity
toward
potential
drugs
LUAD.A
total
16
obtained,
developed.
We
found
high-risk
patients
had
worse
overall
survival
(OS)
progression-free
(PFS)
higher
mortality.
Independent
analyses,
ROC,
C-index,
nomogram
showed
can
accurately
predict
patients.
heatmap
distinct
distribution
high-
low-risk
lncRNAs.
biological
functions
are
associated
development.
also
such
as
antiviral
activity,
suppressed
who
mutations
oncogenes.
OS
poorer
TMB.
TIDE
have
greater
less
effective
immunotherapy.To
conclude,
LUAD
may
provide
new
insights
applications
immunotherapy.
Frontiers in Oncology,
Journal Year:
2023,
Volume and Issue:
13
Published: June 23, 2023
As
an
essential
nutrient,
copper’s
redox
properties
are
both
beneficial
and
toxic
to
cells.
Therefore,
leveraging
the
characteristics
of
copper-dependent
diseases
or
using
copper
toxicity
treat
copper-sensitive
may
offer
new
strategies
for
specific
disease
treatments.
In
particular,
concentration
is
typically
higher
in
cancer
cells,
making
a
critical
limiting
nutrient
cell
growth
proliferation.
Hence,
intervening
metabolism
cells
become
potential
tumor
treatment
strategy,
directly
impacting
metastasis.
this
review,
we
discuss
body
summarize
research
progress
on
role
promoting
inducing
programmed
death
Additionally,
elucidate
copper-related
drugs
treatment,
intending
provide
perspectives
treatment.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: May 7, 2024
Abstract
Sleep
disorders
increase
the
risk
and
mortality
of
heart
disease,
but
brain-heart
interaction
has
not
yet
been
fully
elucidated.
Cuproptosis
is
a
copper-dependent
type
cell
death
activated
by
excessive
accumulation
intracellular
copper.
Here,
we
showed
that
16
weeks
sleep
fragmentation
(SF)
resulted
in
elevated
copper
levels
male
mouse
exacerbated
myocardial
ischemia–reperfusion
injury
with
increased
cuproptosis
apoptosis.
Mechanistically,
found
SF
promotes
sympathetic
overactivity,
increases
germination
nerve
terminals,
level
norepinephrine
cardiac
tissue,
thereby
inhibits
VPS35
expression
leads
to
impaired
ATP7A
related
transport
overload
cardiomyocytes.
Copper
further
apoptosis,
these
effects
can
be
rescued
excision
or
administration
chelating
agent.
Our
study
elucidates
one
molecular
mechanisms
which
aggravate
suggests
possible
targets
for
intervention.
Clinical and Translational Medicine,
Journal Year:
2024,
Volume and Issue:
14(6)
Published: May 28, 2024
Abstract
Copper,
a
trace
element
and
vital
cofactor,
plays
crucial
role
in
the
maintenance
of
biological
functions.
Recent
evidence
has
established
significant
correlations
between
copper
levels,
cancer
development
metastasis.
The
strong
redox‐active
properties
offer
both
benefits
disadvantages
to
cells.
intestinal
tract,
which
is
primarily
responsible
for
uptake
regulation,
may
suffer
from
an
imbalance
homeostasis.
Colorectal
(CRC)
most
prevalent
primary
tract
aggressive
malignant
disease
with
limited
therapeutic
options.
Current
research
focused
on
relationship
CRC.
Innovative
concepts,
such
as
cuproplasia
cuproptosis,
are
being
explored
understand
copper‐related
cellular
proliferation
death.
Cuproplasia
regulation
cell
that
mediated
by
enzymatic
nonenzymatic
copper‐modulated
activities.
Whereas,
cuproptosis
refers
death
induced
excess
via
promoting
abnormal
oligomerisation
lipoylated
proteins
within
tricarboxylic
acid
cycle,
well
diminishing
levels
iron‐sulphur
cluster
proteins.
A
comprehensive
understanding
mechanisms
offers
new
avenues
CRC
treatment.
In
this
review,
we
summarise
evolving
molecular
mechanisms,
ranging
intracellular
concentrations
discovered,
discuss
pathogenesis,
progression
potential
therapies
Understanding
will
help
provide
theoretical
foundation
innovative
treatment
strategies
management.
Redox Biology,
Journal Year:
2024,
Volume and Issue:
71, P. 103109 - 103109
Published: March 1, 2024
Cardiac
fibrosis
is
a
major
public
health
problem
worldwide,
with
high
morbidity
and
mortality,
affecting
almost
all
patients
heart
disease
worldwide.
It
characterized
by
fibroblast
activation,
abnormal
proliferation,
excessive
deposition,
distribution
of
extracellular
matrix
(ECM)
proteins.
The
maladaptive
process
cardiac
complex
often
involves
multiple
mechanisms.
With
the
increasing
research
on
fibrosis,
redox
has
been
recognized
as
an
important
part
remodeling,
imbalance
in
homeostasis
can
adversely
affect
function
structure
heart.
metabolism
metal
ions
essential
for
life,
cells
impair
variety
biochemical
processes,
especially
redox.
However,
current
ion
still
very
limited.
This
review
comprehensively
examines
effects
(iron,
copper,
calcium,
zinc)
metabolism-mediated
outlines
possible
therapeutic
interventions,
addresses
ongoing
challenges
this
rapidly
evolving
field.