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
Journal of Hematology & Oncology,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: Dec. 8, 2022
Abstract
Many
types
of
human
cells
self-destruct
to
maintain
biological
homeostasis
and
defend
the
body
against
pathogenic
substances.
This
process,
called
regulated
cell
death
(RCD),
is
important
for
various
activities,
including
clearance
aberrant
cells.
Thus,
RCD
pathways
represented
by
apoptosis
have
increased
in
importance
as
a
target
development
cancer
medications
recent
years.
However,
because
tumor
show
avoidance
apoptosis,
which
causes
treatment
resistance
recurrence,
numerous
studies
been
devoted
alternative
mortality
processes,
namely
necroptosis,
pyroptosis,
ferroptosis,
cuproptosis;
these
modalities
extensively
studied
shown
be
crucial
therapy
effectiveness.
Furthermore,
evidence
suggests
that
undergoing
may
alter
immunogenicity
microenvironment
(TME)
some
extent,
rendering
it
more
suitable
inhibiting
progression
metastasis.
In
addition,
other
components
TME
undergo
abovementioned
forms
induce
immune
attacks
on
cells,
resulting
enhanced
antitumor
responses.
Hence,
this
review
discusses
molecular
processes
features
cuproptosis
effects
novel
proliferation
Importantly,
introduces
complex
affect
biology.
It
also
summarizes
potential
agents
nanoparticles
or
inhibit
their
therapeutic
based
from
vivo
vitro
reports
clinical
trials
inducers
evaluated
treatments
patients.
Lastly,
we
summarized
impact
modulating
drug
advantages
adding
modulators
over
conventional
treatments.
Cells,
Journal Year:
2022,
Volume and Issue:
12(1), P. 173 - 173
Published: Dec. 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,
Journal Year:
2023,
Volume and Issue:
23(1)
Published: Oct. 27, 2023
Abstract
Background
THBS2,
a
member
of
the
extracellular
matrix
glycoprotein
family,
can
effectively
inhibit
tumour
growth
and
angiogenesis.
This
study
aimed
to
investigate
biological
role
THBS2
in
various
types
cancers
mechanisms
underlying
malignant
progression
colorectal
cancer
(CRC).
Methods
expression
pan-cancer
tissues
cell
lines
was
assessed
using
HPA,
TISCH
CCLE
databases.
The
CIBERSORT,
ESTIMATE,
TIMER,
xCell
ssGSEA
(implemented
IOBR
R
package)
algorithms
were
used
calculate
proportion
tumour-infiltrating
immune
cells
based
on
profile
TCGA-COAD
cohort.
clusterprofiler
package
implement
GO
KEGG
pathway
enrichm
SNVs
compared
between
high-
low-THBS2-expression
groups
maftools
package.
Additionally,
immunotherapy
responses
immunophenoscores
(IPSs).
CT26
engineered
overexpress
(CT26-THBS2)
its
regulatory
effects
HIF1
cellular
metabolism.
conditioned
medium
from
CT26-THBS2
collected
examine
effect
M2
polarisation
RAW264.7
macrophages.
Subsequently,
vitro
experiments
performed
validate
inhibitory
M2-polarised
macrophages
T-cell
proliferation
cytotoxicity.
A
tumour-bearing
mouse
model
constructed
impact
high
microenvironment
vivo.
Results
upregulated
majority
tumours,
including
COAD,
positively
associated
with
ESTIMATEScore,
ImmuneScore
StromalScore.
Furthermore,
angiogenesis
epithelial–mesenchymal
transition
negatively
DNA
repair,
cycle
replication
most
tumours.
considerably
progression-free
interval
(PFI)
MSI
COAD.
methylation
levels
remarkably
lower
COAD
than
healthy
tissues.
promoted
nuclear
translocation
consequently
enhanced
lactate
metabolism
cells.
In
vivo
revealed
that
released
by
macrophages,
leading
inhibition
Conclusions
is
PFI,
infiltration,
regulation,
death,
migration,
transition,
genomic
variations
may
serve
as
biomarker
for
Upregulated
CRC
inhibits
anti-tumour
immunity
through
HIF1A/lactic
acid/GPR132
pathway.
BMC Bioinformatics,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: May 31, 2023
Abstract
Background
This
study
aimed
to
observe
the
potential
impact
of
known
cuproptosis-related
genes
(CRGs)
on
triple
negative
breast
cancer
(TNBC)
development,
as
well
their
associated
molecular
mechanisms,
immune
infiltration
mechanisms
and
therapeutic
agents.
Results
Based
Cox
Proportional
Hazard
Model,
11
CRGs
may
be
especially
important
in
TNBC
development
progression
(considered
Key-TNBC-CRGs).
The
expression
several
Key-TNBC-CRGs
(e.g.,
ATP7A,
PIK3CA,
LIAS,
LIPT
)
are
with
common
mutations.
SCNA
variation
related
differences
profiles.
In
particular,
depletion
ATP7A
,
ATP7B
CLS
LIAS
SCL31A1
while
high
amplification
NLRP3
LIPT2
correlated
decreased
infiltration.
our
proportional
hazards
regression
model,
there
is
a
significant
difference
overall
survival
between
high-risk
low-risk
groups.
HR
group
3.891
versus
group.
And
this
model
has
satisfactory
performance
Prediction
5–15-year
survival,
particular
10-year
(AUC
=
0.836).
Finally,
we
discovered
some
drugs
for
treatment
based
strategy
targeting
Key-TNBC-CRGs,
such
Dasatinib
combined
ABT-737,
Erastin
or
Methotrexate,
Docetaxel/Ispinesib
combination.
Conclusion
conclusion,
play
roles
they
can
tumor
microenvironment
patient
survival.
interact
mutually
influenced
by
BC-related
Additionally,
established
11-gene
risk
robust
prediction
As
well,
new
proposed
potentially
effective
CRG
strategy.
Current Issues in Molecular Biology,
Journal Year:
2025,
Volume and Issue:
47(2), P. 99 - 99
Published: Feb. 5, 2025
Tuberculosis
(TB)
caused
by
Mycobacterium
tuberculosis
(M.tb)
remains
a
global
health
crisis,
with
over
10
million
people
affected
annually.
Despite
advancements
in
treatment,
M.tb
has
developed
mechanisms
to
evade
host
immune
responses,
complicating
efforts
eradicate
the
disease.
Two
emerging
cell
death
pathways,
ferroptosis
and
cuproptosis,
have
been
linked
TB
pathogenesis.
Ferroptosis,
an
iron-dependent
form
of
death,
is
driven
lipid
peroxidation
reactive
oxygen
species
(ROS)
accumulation.
This
process
can
limit
replication
depleting
intracellular
iron
inducing
macrophage
necrosis.
However,
excessive
may
lead
tissue
damage
aid
bacterial
dissemination.
Cuproptosis,
triggered
copper
accumulation,
disrupts
mitochondrial
metabolism,
leading
protein
aggregation
death.
exploits
both
metabolism
survive
within
macrophages,
manipulating
these
processes
resist
oxidative
stress
responses.
review
examines
roles
cuproptosis
TB,
discussing
how
manipulates
pathways
for
survival.
While
therapeutic
strategies
targeting
processes,
such
as
inducers
(Erastin,
RSL3)
inhibitors
(Ferrostatin-1)
ionophores
(Disulfiram,
Elesclomol)
chelators,
show
promise,
limited
understanding
potential
off-target
effects
significant
challenge.
Further
exploration
provide
insights
into
development
targeted
therapies
aimed
at
controlling
infection
while
minimizing
damage.
By
elucidating
complex
interactions
between
ferroptosis,
future
could
better
address
resistance
improve
clinical
outcomes.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: March 30, 2023
Background
Hepatocellular
carcinoma
is
the
third
most
deadly
malignant
tumor
in
world
with
a
poor
prognosis.
Although
immunotherapy
represents
promising
therapeutic
approach
for
HCC,
overall
response
rate
of
HCC
patients
to
less
than
30%.
Therefore,
it
great
significance
explore
prognostic
factors
and
investigate
associated
immune
microenvironment
features.
Methods
By
analyzing
RNA-seq
data
TCGA-LIHC
cohort,
set
cuproptosis
related
genes
was
extracted
via
correlation
analysis
as
generalization
feature.
Then,
random
forest
cox
model
constructed
score
built
by
feature
filtering
univariate
multivariate
regression
analysis.
Subsequently,
prognosis
prediction
CRFCS
evaluated
independent
cohorts
from
GEO
ICGC
using
KM
ROC
methods.
Moreover,
mutation
characterization,
cell
infiltration,
evasion,
drug
sensitivity
were
assessed.
Results
A
based
on
four
genes.
Patients
high
group
exhibited
lower
survival.
Univariate
Cox
validated
an
indicator.
revealed
that
good
predictor
(AUC
=0.82).
Mutation
manifested
microsatellite
instability
(MSI)
significantly
increased
group.
Meanwhile,
showed
displayed
much
more
infiltration
compared
low
The
escape
assessment
demonstrated
decreased
TIDE
indicating
probability
Interestingly,
checkpoints
highly
expressed
Drug
had
IC
50
sorafenib
Conclusions
In
this
study,
we
(CRFCS)
model.
be
potential
indicator
samples
correlated
TME
characteristics
well
clinical
treatment
efficacy.
Importantly,
group,
may
benefit
treatment.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Jan. 16, 2024
Background
Disulfidptosis,
an
emerging
type
of
programmed
cell
death,
plays
a
pivotal
role
in
various
cancer
types,
notably
impacting
the
progression
kidney
renal
clear
carcinoma
(KIRC)
through
tumor
microenvironment
(TME).
However,
specific
involvement
disulfidptosis
within
TME
remains
elusive.
Methods
Analyzing
41,784
single
cells
obtained
from
seven
samples
KIRC
single-cell
RNA
sequencing
(scRNA-seq),
this
study
employed
nonnegative
matrix
factorization
(NMF)
to
assess
24
regulators.
Pseudotime
analysis,
intercellular
communication
mapping,
determination
transcription
factor
activities
(TFs),
and
metabolic
profiling
subgroup
were
conducted
using
Monocle,
CellChat,
SCENIC,
scMetabolism.
Additionally,
public
cohorts
utilized
predict
prognosis
immune
responses
KIRC.
Results
Through
NMF
clustering
differential
expression
marker
genes,
fibroblasts,
macrophages,
monocytes,
T
cells,
B
categorized
into
four
six
distinct
subgroups.
Furthermore,
investigation
revealed
correlation
between
regulatory
factors
biological
traits,
as
well
pseudotime
trajectories
Notably,
disulfidptosis-mediated
subgroups
(DSTN+CD4T-C1
FLNA+CD4T-C2)
demonstrated
significant
prognostic
value
patients
with
Multiple
immunohistochemistry
(mIHC)
assays
identified
both
clusters.
Moreover,
CellChat
analysis
unveiled
diverse
extensive
interactions
epithelial
highlighting
TNFSF12-TNFRSF12A
ligand-receptor
pair
mediators
DSTN+CD4T-C1,
FLNA+CD4T-C2,
cells.
Conclusion
Our
sheds
light
on
regulating
characteristics
TME.
These
findings
offer
valuable
insights
for
KIRC,
potentially
guiding
personalized
immunotherapy
approaches.