Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 9, 2023
Abstract
Objective
The
objective
of
this
research
was
to
develop
and
validate
a
novel
prognostic
model
for
predicting
overall
survival
(OS)
in
patients
diagnosed
with
melanoma.
Methods
Based
on
data
(n
=
752)
from
melanoma
between
January
2017
December
2020
Chongqing
University
Cancer
Hospital
China,
we
randomly
divided
them
into
two
cohorts:
training
cohort
527)
validation
225)
7:3
ratio.
We
conducted
logistic
univariable
multivariable
analysis
identify
independent
risk
factors
OS
patients,
which
were
then
integrated
nomogram.
nomogram
internally
validated
ensure
its
reliabitly.
predictive
effectiveness
the
assessed
using
receiver
operating
characteristic
(ROC)
calibration
curve.
Decision
curve
(DCA)
curves
also
utilized
evaluate
model’
prediction
ability.
Results
A
total
752
included
analysis.
incorporated
seven
including
age,
basic-disease,
surgery,
tumor
node
metastasis
(TNM),
chemotherapy,
interleukin2,
lactate-dehydrogenase
(LDH).
C-indices
predict
1-,
3-,
5-
years
retes
0.704
(0.643–0.766),0.742
(0.685–0.799),0.740
(0.663–0.817)
cohort,
0.733
(0.647–0.818),0.714
(0.624–0.803),0.710
(0.591–0.830)
respectively.
showed
strong
agreement
actual
observations
probability
both
cohorts.
plots
DCA
demonstrated
excellent
concordance
predicted
probabilities.
Conclusions
developed
patients.
This
provided
reliable
user-friendly
approach
forecast
outcomes
individuals
application
innovative
has
potential
facilitate
personalized
early
detection
treatment
strategies,
thereby
benefiting
Journal of Translational Medicine,
Год журнала:
2025,
Номер
23(1)
Опубликована: Янв. 22, 2025
Cuproptosis
differs
from
other
forms
of
cell
death,
such
as
apoptosis,
necroptosis,
and
ferroptosis,
in
its
unique
molecular
mechanisms
signaling
pathways.
In
this
review,
we
delve
into
the
cellular
metabolic
pathways
copper,
highlighting
role
copper
biomolecule
synthesis,
mitochondrial
respiration,
antioxidant
defense.
Furthermore,
elucidate
relationship
between
cuproptosis-related
genes
(CRGs)
cancer
prognosis,
analyzing
their
expression
patterns
across
various
tumor
types
impact
on
patient
outcomes.
Our
review
also
uncovers
potential
therapeutic
applications
chelators,
ionophores,
copper-based
nanomaterials
oncology.
addition,
discuss
emerging
cuproptosis
remodeling
microenvironment,
enhancing
immune
infiltration,
converting
"cold
tumors"
"hot
that
respond
better
to
immunotherapy.
short,
underscores
pivotal
importance
biology
highlights
translational
a
novel
target.
Cells,
Год журнала:
2022,
Номер
12(1), С. 173 - 173
Опубликована: Дек. 31, 2022
As
a
newly
identified
type
of
programmed
cell
death,
cuproptosis
may
have
an
impact
on
cancer
development,
including
clear
renal
carcinoma
(ccRCC).
Herein,
we
first
noticed
that
the
expression
levels
regulators
exhibited
tight
correlation
with
clinicopathological
characteristics
ccRCC.
The
cuproptosis-sensitive
sub-type
(CSS),
classified
via
consensus
clustering
analysis,
harbored
higher
overall
survival
rate
compared
to
cuproptosis-resistant
(CRS),
which
resulted
from
differential
infiltration
immune
cells.
FDX1,
master
regulator,
was
experimentally
determined
as
tumor
suppressor
in
ccRCC
cells
by
suppressing
growth
and
invasion
ACHN
OSRC-2
cuproptosis-dependent
-independent
manner.
results
IHC
staining
also
demonstrated
FDX1
negatively
correlated
initiation
progression.
Furthermore,
miR-21-5p/FDX1
axis
verified
miR-21-5p
directly
binds
3′-UTR
mediate
its
degradation.
Consequently,
inhibitor
suppressed
cells,
could
be
compensated
knockdown,
reinforcing
functional
linkage
between
Finally,
evaluated
microenvironment
under
noted
this
strongly
associated
such
CD4+
T
Treg
macrophages,
suggesting
signaling
alter
microenvironmental
components
drive
Overall,
study
constructed
analyzed
potential
microenvironment,
providing
valuable
insights
improve
current
management.
Cancer Cell International,
Год журнала:
2024,
Номер
24(1)
Опубликована: Фев. 9, 2024
Abstract
The
incidence
of
melanoma,
the
most
lethal
form
skin
cancer,
has
increased
due
to
ultraviolet
exposure.
treatment
advanced
particularly
metastatic
cases,
remains
challenging
with
poor
outcomes.
Targeted
therapies
involving
BRAF/MEK
inhibitors
and
immunotherapy
based
on
anti-PD1/anti-CTLA4
antibodies
have
achieved
long-term
survival
rates
approximately
50%
for
patients
melanoma.
However,
therapy
resistance
inadequate
response
continue
hinder
further
breakthroughs
in
treatments
that
increase
rates.
This
review
provides
an
introduction
molecular-level
pathogenesis
melanoma
offers
overview
current
options
their
limitations.
Cells
can
die
by
either
accidental
or
regulated
cell
death
(RCD).
RCD
is
orderly
controlled
a
variety
macromolecules
maintain
stability
internal
environment.
Since
uncontrolled
proliferation
tumor
cells
requires
evasion
programs,
inducing
may
be
strategy.
summarizes
studies
various
types
nonapoptotic
RCDs,
such
as
autophagy-dependent
death,
necroptosis,
ferroptosis,
pyroptosis,
recently
discovered
cuproptosis,
context
relationships
between
these
RCDs
are
examined,
interplay
targeted
discussed.
Given
findings
demonstrating
different
stimuli
associated
induction
shows
promise
integral
component
strategies
Frontiers in Immunology,
Год журнала:
2024,
Номер
14
Опубликована: Янв. 3, 2024
Background
The
poor
prognosis
of
sepsis
warrants
the
investigation
biomarkers
for
predicting
outcome.
Several
studies
have
indicated
that
PANoptosis
exerts
a
critical
role
in
tumor
initiation
and
development.
Nevertheless,
has
not
been
fully
elucidated.
Methods
We
obtained
Sepsis
samples
scRNA-seq
data
from
GEO
database.
PANoptosis-related
genes
were
subjected
to
consensus
clustering
functional
enrichment
analysis,
followed
by
identification
differentially
expressed
calculation
score.
A
PANoptosis-based
prognostic
model
was
developed.
In
vitro
experiments
performed
verify
distinct
genes.
An
external
dataset
used
cellular
localization.
Results
Unsupervised
analysis
using
16
identified
three
subtypes
sepsis.
Kaplan-Meier
showed
significant
differences
patient
survival
among
subtypes,
with
different
immune
infiltration
levels.
Differential
48
DEGs.
Boruta
algorithm
PCA
DEGs
as
signature
developed
PANscore
based
on
these
genes,
which
can
distinguish
clinical
characteristics
may
serve
potential
biomarker.
Single-cell
sequencing
six
cell
types,
high
relatively
B
cells,
low
CD16+
CD14+
monocytes
Megakaryocyte
progenitors.
ZBP1,
XAF1,
IFI44L,
SOCS1,
PARP14
higher
cells
PANscore.
Conclusion
machine
learning
profiling
related
subgroups
features
Pigment Cell & Melanoma Research,
Год журнала:
2025,
Номер
38(2)
Опубликована: Фев. 26, 2025
ABSTRACT
Skin
cutaneous
melanoma
(SKCM)
is
a
lethal
skin
cancer
with
poor
prognosis
and
limited
response
to
immunotherapy.
Cancer‐associated
fibroblasts
(CAFs)
are
key
contributors
tumor
progression,
therapy
resistance,
immunosuppression.
In
this
study,
mRNA
sequencing
clinical
data
from
SKCM
samples
were
obtained
The
Cancer
Genome
Atlas
(TCGA)
Gene
Expression
Omnibus
(GEO)
databases
evaluate
the
prognostic
significance,
therapeutic
implications,
potential
for
enhancing
immunotherapy
through
targeting
CAFs
in
SKCM.
A
CAF‐related
risk
model
comprising
nine
genes
was
developed,
revealing
that
patients
classified
as
low‐risk
exhibited
superior
survival
outcomes
increased
sensitivity
Spearman
correlation
analysis
identified
significant
associations
between
score
40
drugs,
well
resistance
17
drugs.
Additionally,
categorized
into
three
distinct
subgroups
SKCM,
antigen‐presenting
(apCAFs)
notably
suppressing
infiltration
of
anti‐tumor
immune
cells
strongly
correlating
prognosis.
summary,
offers
robust
tool
capable
predicting
both
sensitivity.
Moreover,
pivotal
role
apCAFs
within
microenvironment
suggests
these
may
enhance
efficacy
Skin
cutaneous
melanoma
(SKCM)
is
one
of
the
most
lethal
cancers
translating
into
75%
skin
cancer-related
deaths.
Despite
advances
in
SKCM
management
and
treatment
strategies,
overall
survival
patients
remains
unsatisfactory
due
to
metastatic
properties
as
well
absence
effective
prognostic
biomarkers.
Recent
studies
have
shown
that
overload
copper
renders
accumulation
mitochondrial
proteins
fuels
a
form
cell
death
at
odds
with
known
mechanisms
hinged
on
respiration,
so-called
cuproptosis.
However,
exact
role
cuproptosis
development
progression
unknown,
painting
clear
picture
its
functions
fraught
challenges.
A
more
systematic
investigation
justified.
In
this
study,
we
were
posed
dissect
clout
latent
regulatory
cuproptosis-related
genes
(CRGs)
reining
progression.
Also,
identified
three
CRGs
stood
out
used
construct
model,
which
could
be
employed
predict
prognosis
SKCM.
Finally,
through
pan-cancer
analysis,
found
four
key
play
multiple
tumors,
suggesting
may
impact
tumor
level.
Taken
together,
these
findings
not
only
contribute
strategies
but
also
provide
clues
for
decision-making.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(8), С. 3475 - 3475
Опубликована: Апрель 8, 2025
Melanoma,
one
of
the
most
lethal
cancers,
demands
urgent
and
effective
treatment
strategies.
However,
a
successful
therapeutic
approach
requires
precise
understanding
mechanisms
underlying
melanoma
initiation
progression.
This
review
provides
an
overview
pathogenesis,
identifies
current
pathogenic
factors
contributing
to
mortality,
explores
targeted
therapy
checkpoint
inhibitor
therapy.
Furthermore,
we
examine
classification
corresponding
therapies,
along
with
advancements
in
various
cell
death
for
treatment.
We
also
discuss
status
some
drawbacks
encountered
during
research
stages
such
as
resistance
metastasis.
Frontiers in Pharmacology,
Год журнала:
2024,
Номер
15
Опубликована: Март 7, 2024
Melanoma
is
the
most
lethal
type
of
skin
cancer
with
an
increasing
incidence.
Cuproptosis
recently
identified
copper-dependent
form
cell
death
that
relies
on
mitochondrial
respiration.
The
hippocampal
(Hippo)
pathway
functions
as
a
tumor
suppressor
by
regulating
Yes-associated
protein/transcriptional
coactivator
PDZ-binding
motif
(YAP/TAZ)
activity.
However,
its
role
in
cuproptosis
remains
unknown.
In
addition,
correlation
cuproptosis-related
genes
and
Hippo
pathway-related
prognosis
warrants
further
investigation.
present
study,
we
explored
melanoma
through
analysis
data
from
public
database
experimental
verification.
We
found
eight
were
downregulated
exhibited
predictive
value
for
prognosis.
There
was
significant
positive
between
cutaneous
melanoma.
YAP1
expression
positively
correlated
ferredoxin
1
(FDX1)
GSE68599
dataset
A2058
cells.
Moreover,
negatively
M2
macrophages
regulatory
T
infiltration,
respectively.
conclusion,
study
demonstrated
prognostic
(particularly
YAP1)
melanoma,
revealing
immune
infiltration.
Thus,
findings
may
provide
new
clues
assessment
patients
target
immunotherapy
this
disease.
Abstract
The
prognosis
for
Cutaneous
Melanoma
(CM),
a
skin
malignant
tumor
that
is
extremely
aggressive,
not
good.
A
recently
identified
type
of
controlled
cell
death
intimately
related
to
immunotherapy
and
the
development
cancer
called
cuproptosis.
Using
Cancer
Genome
Atlas
(TCGA)
Gene
Expression
Omnibus
(GEO)
database,
we
developed
validated
DNA-methylation
located
in
cuproptosis
death-related
gene
prognostic
signature
(CRG-located
signature)
predict
CM’s
prognosis.
Kaplan–Meier
analysis
our
TCGA
GEO
cohorts
showed
high-risk
patients
had
shorter
overall
survival.
area
under
curve
(AUC)
cohort
was
0.742,
while
it
0.733,
according
receiver
operating
characteristic
(ROC)
analysis.
Furthermore,
this
discovered
as
an
independent
indicator
over
CM
based
on
Cox-regression
Immunogenomic
profiling
indicated
majority
immune-checkpoints
got
opposite
relationship
with
signature,
group
at
low
risk
higher
immunophenoscore.
Several
immune
pathways
were
enriched,
functional
enrichment
In
conclusion,
methylation
established
confirmed.
Because
its
close
landscape,
may
help
clinicians
make
more
accurate
individualized
choices
regarding
therapy.