Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 20, 2023
Abstract
Background
Skin
cutaneous
melanoma
(SKCM)
is
the
most
malignant
tumor
among
skin
cancers.
We
aimed
to
identify
role
of
m6A
regulated
genes
in
prognosis
and
immune
microenvironment
SKCM.
further
elevated
expression
level
cuproptosis-related
different
risk
groups.
Methods
The
transcriptome
data
471
SKCM
tissues
from
XENA
database
812
normal
samples
GTEx
were
obtained.The
univariate
Cox
regression
analysis
was
used
explore
relationship
related
clinical
outcomes
least
absolute
shrinkage
selection
operator
(LASSO)
construct
a
model
for
genes.
Furthermore,
Gene
Ontology
(GO),
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
enrichment
performed.
Also,
cell
infiltration
analyzed
using
CIBERSORT.
In
addition,
we
assessed
its
sets.
Expression
validation
cuproptosis-associated
YTHDF3
downregulated
lines
by
RT-qPCR.
Results
this
study,
found
that
m6A-related
differentially
expressed
samples.
Eight
them
significantly
prognosis.
based
on
HNRNPA2B1,
METTL3,
WTAP,
METTL15,
YTHDC1
RBMX
constructed
validated.
Besides,
biological
processes
signaling
pathway
GO
KEGG
analysis.
Moreover,
cells
sets
explored
discovered
CD8
+
T
cells,
CD4
memory
activated,
NK
activated
Macrophage
M1
negatively
correlated
with
score.
detected
ten
gens
Among
them,
MTF1,
PDHB
FDX1
lower
appeared
correlate
higher
Finally,
MTF1
increased
when
regulator
downregulated.
Conclusion
Our
study
demonstrated
prognostic
value
their
microenvironment.
creatively
between
RNA
methylation
regulators
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
167, P. 115522 - 115522
Published: Sept. 25, 2023
Renal
cell
carcinoma
(RCC)
is
one
of
the
top
ten
malignancies
and
tumor-related
causes
death
worldwide.
The
most
common
histologic
subtype
kidney
renal
clear
(KIRC),
accounting
for
approximately
75%
all
RCC
cases.
Early
resection
considered
basic
treatment
patients
with
KIRC.
However,
30%
these
experience
recurrence
post-operation.
Cuproptosis,
an
autonomous
mechanism
controlling
death,
encompasses
various
molecular
mechanisms
multiple
cellular
metabolic
pathways.
These
pathways
mainly
include
copper
signaling
pathways,
mitochondrial
metabolism
lipoic
acid
pathway
Recent
evidence
shows
that
cuproptosis
identified
as
a
key
modality
plays
meaningful
role
in
tumor
progression.
there
no
published
systematic
review
summarizes
correlation
between
KIRC,
despite
fact
investigations
on
pathogenesis
KIRC
have
increased
past
years.
Researchers
discovered
exogenous
infusion
accelerates
dysfunction
suppresses
cells
by
inducing
cuproptosis.
levels
tricarboxylic
cycle
proteins,
protein,
copper,
ferredoxin
1
(FDX1)
were
dysregulated
cells,
prognosis
high
FDX1
expression
better
than
low
expression.
Cuproptosis
played
indispensable
regulation
microenvironment
features,
progression,
long-term
In
this
review,
we
summarized
systemic
processes
copper-related
highlighting
potential
targets
related
to
treatment.
ChemMedChem,
Journal Year:
2024,
Volume and Issue:
19(21)
Published: June 29, 2024
Abstract
Copper,
as
an
essential
trace
nutrient
for
human,
plays
a
crucial
role
in
numerous
cellular
activities,
and
is
vital
maintaining
homeostasis
organisms.
Deviations
from
normal
intracellular
copper
concentration
range
can
disrupt
the
lead
to
cell
death.
Cell
death
process
which
cells
lose
their
vitality
cannot
sustain
metabolism,
has
various
forms.
The
recently
discovered
cuproptosis
mechanism
differs
previously
recognized
forms,
triggered
by
accumulation.
discovery
of
sparked
interest
among
researchers,
this
been
applied
treatment
intractable
diseases,
including
different
types
cancer.
However,
developed
cuproptosis‐based
therapies
have
revealed
certain
limitations,
such
low
immunostimulatory
efficiency,
poor
tumor
targeting,
inhibition
microenvironment.
Therefore,
researchers
are
devoted
combining
with
existing
cancer
develop
more
effective
synergistic
therapies.
This
review
summarizes
latest
research
advancements
cancer,
focus
on
Finally,
it
provides
outlook
future
development
anti‐tumor
therapy.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: Sept. 25, 2023
Background
Cuproptosis,
a
novel
mode
of
cell
death
associated
with
the
tricarboxylic
acid
(TCA)
cycle,
is
relevant
to
development
cancer.
However,
impact
single-cell-based
Cuproptosis-associated
lncRNAs
on
Tumor
immune
microenvironment
(TIME)
Pancreatic
adenocarcinoma
(PAAD)
and
its
potential
value
for
individualized
immunotherapy
has
not
been
clarified.
Methods
14
immune-related
CRGs
were
screened
by
exploring
interaction
between
differentially
expressed
Immune-Related
Genes
(IRGs)
Cuproptosis-Related
(CRGs)
in
PAAD.
Next,
expression
amount
distribution
single-cell
samples
analyzed
focusing
7-CRGs
significant
expressions.
On
one
hand,
MAP2K2,
SOD1,
VEGFA,
which
significantly
PAAD
sites
normal
tissues
adjacent
them,
subjected
immunohistochemical
validation
landscape
analysis.
other
from
these
7-CRGs,
prognostic
signatures
established
co-expression
LASSO-COX
regression
analysis,
their
relevance
assessed.
In
addition,
this
study
only
validated
hub
constituting
signature
animal
model
treated
immunotherapy-based
combination
therapy
using
immunohistochemistry
qRT-PCR
but
also
explored
targeted,
chemotherapy
immunotherapy.
Results
Based
screening
cohort
co-expressed
(CRIs),
constructed
4-CRIs
named
CIR-score.
A
Nomogram
integrating
CIR-score
clinical
risk
factors
was
basis
predict
survival
patients.
Moreover,
high
low-risk
groups
classified
according
median
exhibited
differences
prognosis,
landscape,
bioenrichment,
tumor
burden,
drug
sensitivity.
And
results
different
mouse
treatment
strategies
consistent
trend
inter-group
variability
sensitivity
The
immunotherapy,
targeted
therapy,
better
suppression
effect.
Conclusion
CIR-score,
as
Cuproptosis-related
TIME-specific
based
single
cells,
predicts
prognosis
patients
provides
new
strategy
therapy.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(10), P. e21158 - e21158
Published: Oct. 1, 2023
BackgroundAt
present,
the
pathogenesis
of
atherosclerosis
has
not
been
fully
elucidated,
and
diagnosis
treatment
face
great
challenges.
Cuproptosis
is
a
novel
cell
death
pattern
that
might
be
involved
in
development
atherosclerosis.
However,
no
research
reported
correlation
between
cuproptosis
atherosclerosis.MethodsThe
differential
cuproptosis-related
genes
(CRGs)
group
control
(A-CRGs)
were
discovered
via
expression
analysis.
The
analysis,
PPI
network
GO,
KEGG
GSEA
analysis
performed
to
investigate
function
A-CRGs.
differences
biological
investigated
immune
infiltration
GSVA.
LASSO
regression,
nomogram
machine
learning
models
constructed
predict
risk.
molecular
subtypes
clusters
unsupervised
cluster
Subsequently,
we
used
above
methods
analyze
CRGs
(M-CRGs)
evaluate
identification
performance
M-CRGs.
Finally,
verified
diagnostic
value
for
role
these
through
validation
set
vitro
experiments.ResultsFive
A-CRGs
identified
they
mainly
related
copper
ion
metabolism
inflammatory
response.
based
on
5
indicated
had
well
value.
A
total
two
obtained
group.
There
many
functions
clusters,
such
as
mitochondrial
outer
membrane
permeabilization
primary
immunodeficiency.
In
addition,
3
M-CRGs
2
clusters.
Machine
showed
efficacy.
end,
results
experiment
confirmed
genes.ConclusionThe
may
potential
promising
markers
Medicine,
Journal Year:
2024,
Volume and Issue:
103(9), P. e37322 - e37322
Published: March 1, 2024
Pancreatic
adenocarcinoma
(PAAD)
is
a
highly
malignant
tumor
with
poor
prognosis.
However,
the
relationship
between
cuproptosis-related
genes
(CRGs)
and
its
competing
endogenous
RNA
(ceRNA)
network
prognosis
of
PAAD
patients
remains
unclear.
To
investigate
this
relationship,
we
calculated
difference
in
CRGs
tissues
normal
using
‘limma’
R
package.
Additionally,
employed
least
absolute
shrinkage
selection
operator
(LASSO)
Cox
regression
analysis
to
construct
prognostic
signature
for
CRGs.
Survival
was
performed
Kaplan–Meier
analysis.
Furthermore,
used
bioinformatics
tools
screen
CRGs-related
MicroRNA
(miRNA)
lncRNAs.
validate
these
findings,
conducted
real-time
quantitative
polymerase
chain
reaction
(RT-qPCR),
CCK-8,
colony
formation,
Transwell
assays
assess
effect
DLAT
vitro.
Our
results
revealed
consisting
3
(DLAT,
LIAS,
LIPT1).
Notably,
high-risk
score
exhibited
terms
overall
survival
(OS)
(
P
<
.05).
The
receiver
operating
characteristic
(ROC)
curve
evaluate
showed
that
1-year,
3-year,
5-year
area
under
values
predicting
OS
were
0.62,
0.66,
0.79,
respectively.
ceRNA
regulatory
axis
LINC00857/has-miR-1179/DLAT
PAAD.
In
vitro
experiments
demonstrated
knockdown
LINC00857
inhibited
growth
invasion
cells.
This
study
identified
CRG-related
biomarkers
LIPT1)
suggested
involvement
development
Overall,
provides
theoretical
support
investigation
diagnostic
as
well
potential
therapeutic
targets
Aging,
Journal Year:
2023,
Volume and Issue:
15(22), P. 13150 - 13162
Published: Nov. 21, 2023
Renal
cancer,
the
most
common
type
of
kidney
develops
in
renal
tubular
epithelium.
Atherosclerosis
aorta
is
primary
cause
atherosclerosis.
However,
underlying
mechanisms
remain
unclear.The
clear
cell
carcinoma
RNA
sequence
profile
was
obtained
from
The
Cancer
Genome
Atlas
(TCGA)
database,
and
atherosclerosis
datasets
GSE28829
GSE43292
based
on
GPL570
GPL6244
Gene
Expression
Omnibus
(GEO)
database.
difference
hub
genes
were
identified
by
Limma
protein-protein
interaction
(PPI)
network
R
software.
Functional
enrichment,
survival,
immunoinfiltration
analyses
performed.
role
SEL1L3
ErbB/PI3K/mTOR
signaling
pathway,
apoptosis,
invasion,
cycle,
inflammation
analyzed
using
western
blotting.764
DEGs
TCGA
Kidney
Clear
Cell
Carcinoma
(KIRC)
dataset.
A
total
344
117
screened
GSE14762
GSE53757
datasets,
respectively.
enrichment
analysis
results
primarily
indicated
transporter
complex,
DNA-binding
transcription
activator
activity,
morphogenesis
embryonic
epithelium,
stem
proliferation,
adrenal
overactivity
so
on.
Fifteen
overlapped
among
three
datasets.
PPI
revealed
that
core
gene.
Survival
showed
lower
expression
levels
led
to
a
worse
prognosis.
Immune
infiltration
significantly
correlated
with
antibody-drug
conjugates
(aDC),
B
cells,
eosinophils,
interstitial
dendritic
cells
(iDC),
macrophages,
more.SEL1L3
plays
an
important
may
be
potential
link
between
them.
Current Issues in Molecular Biology,
Journal Year:
2023,
Volume and Issue:
45(10), P. 8502 - 8518
Published: Oct. 22, 2023
Cuproptosis
induction
is
seen
as
a
promising
alternative
for
immunotherapies
and
targeted
therapies
in
breast
cancer.
The
objective
of
this
research
was
to
examine
the
prognostic
biological
importance
cuproptosis-related
genes
(CRGs)
lung
adenocarcinoma
(LUAD).The
following
methods
were
used:
GSE10072
dataset
TCGA
database
analysis,
differential
expression
analysis
CRGs,
function
(BP)
signaling
pathway
enrichment
clinical
construction
signature
RNA
modified
miRNA
CRGs
LUAD,
immunoinfiltration
immunohistochemical
staining
DβH,
UBE2D3,
SOD1,
UBE2D1
LOXL2.AOC1,
ATOX1,
CCL8,
CCS,
COX11,
CP,
LOXL2,
MAP2K2,
PDK1,
SCO2,
UBE2D1,
UBE2D3
VEGFA
showed
significantly
higher
expression,
while
ATP7B,
PDE3B,
SLC31A2,
UBE2D2,
UBE2D4
ULK2
lower
LUAD
tissues
than
normal
tissues.
We
also
found
that
ATP7B
(4%),
AOC1
(3%)
PDE3B
(2%),
DβH
CP
(1%),
PDK1
LOXL2
(1%)
mutation
frequencies.
univariate
Cox
used
identify
have
value.
It
identified
21
significant
value,
containing
LOXL2.
Patients
with
up-expression
longer
survival
time
patients
down-expression
time.
hsa-miR-29c-3p,
hsa-miR-29a-3p,
hsa-miR-181c-5p,
hsa-miR-1245a,
etc.,
play
an
important
role
regulatory
network,
miR-29a,
miR-29c
miR-181c
high
longer,
miR-1245a
low
longer.
performed
relationships
between
immune
infiltration
including
B
cells,
CD8+
T
CD4+
macrophages,
neutrophils
DCs.DβH,
are
potential
candidates
implicated
can
be
further
explored
their
application
diagnostic,
prognostic,
therapeutic
biomarkers
LUAD.
Egyptian Journal of Medical Human Genetics,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: Nov. 29, 2023
Abstract
Background
Acute
ischemic
stroke
(AIS)
is
one
of
the
leading
contributors
to
death
and
disability
in
adults.
And
cuproptosis
a
novel
type
cell
death.
Yet,
its
role
AIS
still
unknown.
Methods
The
mRNA,
miRNA,
circRNA
expression
data
were
downloaded
from
Gene
Expression
Omnibus
database.
We
explored
differentially
expressed
circRNAs
(DEcircRNAs),
microRNAs
(DEmiRNAs),
cuproptosis-related
genes
(DECuRGs)
after
AIS.
With
target
prediction
tools,
we
constructed
competitive
endogenous
RNA
(ceRNA)
network
mediated
by
Afterward,
functional
enrichment
analysis,
cytoHubba
plugin,
protein–protein
interaction,
weighted
gene
co-expression
unsupervised
clustering
analysis
performed
determine
critical
relevant
pathways.
Machine
learning
techniques
used
identify
optimal
risk
model.
CIBERSORT
was
applied
explore
immune-infiltrating
characteristics
samples.
Finally,
two
independent
datasets
employed
verify
predictive
value
Results
Altogether,
26
DECuRGs
identified
this
study.
Enrichment
revealed
that
they
participated
reactive
oxygen
metabolism,
inflammatory
responses,
corresponding
biological
processes.
Of
DECuRGs,
MTF1
UBE2D2
included
ceRNA
network,
comprising
three
circRNA-miRNA
miRNA-mRNA
interaction
pairs.
Hub
determined
hub
regulatory
axis
process
cuproptosis,
namely,
-
miR-765
circ_0040760/0068531
.
finally
5-gene
model
(
C10orf32
,
NUCB1
AX748267
MRPL28
PPP1R15A
)
multiple
analyses,
which
validated
(AUC
=
0.958
0.668).
Besides,
significant
differences
immune
infiltration
observed
between
patients
normal
controls.
levels
neutrophils
correlated
with
most
DECuRGs.
study
also
associated
microenvironment
patients.
Conclusion
findings
might
be
key
nodes,
including
axes,
exert
roles
provided
new
insights
into
early
diagnosis
treatment
Aging,
Journal Year:
2023,
Volume and Issue:
15(23), P. 14210 - 14241
Published: Dec. 11, 2023
Cuproptosis
is
a
recently
reported
new
mode
of
programmed
cell
death
which
might
be
potential
co-pathogenesis
three
kinds
primary
cardiomyopathy.
However,
no
investigation
has
clear
relevance
between
cardiomyopathy
and
cuproptosis.
In
this
study,
the
differential
cuproptosis-related
genes
(CRGs)
shared
by
were
identified
in
training
sets.
As
result,
four
CRGs
acquired
they
mainly
related
to
biological
processes
such
as
immuno-inflammatory
response
through
analysis,
correlation
GSEA,
GSVA
immune
infiltration
analysis.
Then,
key
(K-CRGs)
with
high
diagnostic
value
LASSO
regression.
The
results
nomogram,
machine
learning,
ROC
calibration
curve
decision
indicated
that
K-CRGs
exhibited
outstanding
performance
diagnosis
After
that,
each
disease,
two
molecular
subtypes
clusters
distinguished.
There
many
differences
different
associated
immunoinflammation
had
excellent
subtype
identification
efficacy.
Eventually,
from
validation
datasets
vitro
experiments
verified
role
cardiomyopathy,
cardiomyopathic
pathogenesis
conclusion,
study
found
cuproptosis
common
promising
biomarkers
for