Translational Cancer Research,
Journal Year:
2024,
Volume and Issue:
13(12), P. 6766 - 6781
Published: Dec. 1, 2024
Regulatory
T
cells
(Tregs)
play
a
pivotal
role
in
the
development,
prognosis,
and
treatment
of
breast
cancer.
This
study
aimed
to
develop
Treg-associated
gene
signature
that
contributes
predict
prognosis
therapy
benefits
genes
were
screened
based
on
single-cell
RNA-sequencing
(RNA-seq)
TISCH2
database
bulk
RNA-seq
The
Cancer
Genome
Atlas
(TCGA)
database.
was
identified
via
survival
analysis,
univariate
cox,
least
absolute
shrinkage
selection
operator
(LASSO)
multivariable
Cox
regression
analyses.
Immune
status
assessed
using
single-sample
set
enrichment
analysis
(ssGSEA)
Estimation
STromal
MAlignant
Tumor
tissues
Expression
data
(ESTIMATE)
algorithms.
Drug
sensitivity
estimated
pRRophetic.
Gene
(GSEA)
conducted
explore
changed
pathways.
A
total
169
as
genes,
close
interactions
existed
among
these
genes.
Kaplan-Meier
(KM)
cox
revealed
29
prognostic
(all
P<0.05),
finally
six-gene
including
TBC1D4,
PMAIP1,
IFNG,
LEF1,
MZB1
EZR
by
LASSO
Cox.
Based
this
signature,
patients
high-risk
group
exhibited
worse
probability
than
those
low-risk
TCGA
training
dataset
(P<0.001).
Additionally,
showed
moderate
predictive
power
for
1-,
3-
5-year
cancer
both
[area
under
curve
(AUC)
=0.705,
0.678
0.668,
respectively].
Similar
also
observed
validation
datasets.
Risk
scores
significantly
differed
between
subgroups
divided
clinicopathologic
features,
especially
molecular
subtypes.
Patients
high-
groups
significant
differences
infiltration
abundance
multiple
types
immune
(such
as,
activated
B
cells/CD8+
cells/CD4+
cells),
stromal
P<0.05).
Moreover,
83
chemotherapeutic
drugs
such
lapatinib,
methotrexate,
gefitinib
two
risk
P<0.001).
is
first
cancer,
which
could
help
identify
who
might
be
benefit
from
immunotherapy
and/or
chemotherapy.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(24), P. 13518 - 13518
Published: Dec. 17, 2024
Triple-negative
breast
cancer
(TNBC)
represents
roughly
one-sixth
of
all
patients,
but
accounts
for
30–40%
deaths.
Due
to
the
lack
typical
biomarkers
exploited
clinically
cancer,
it
remains
very
difficult
treat.
Moreover,
its
intrinsic
high
heterogeneity
and
proneness
become
resistant
drugs
administered
makes
treatment
management
challenging
oncologists.
Herein,
we
outline
different
therapies
used
currently
TNBC
list
ongoing
clinical
trials
provide
an
overview
most
recent
therapeutic
landscape.
In
addition,
highlight
emerging
in
preclinical
stage
that
hold
promise,
such
as
epigenetic
modulators,
CRISPR,
miniproteins,
radioconjugates,
vaccines,
PROTACs.
navigate
through
existing
limitations
challenges
which
hamper
development
new
more
effective
treatments
TNBC.
Lastly,
point
directions
may
revolutionize
future
therapy
Bioengineering,
Journal Year:
2025,
Volume and Issue:
12(1), P. 54 - 54
Published: Jan. 10, 2025
A
subset
of
triple-negative
breast
cancer
(TNBC)
expresses
the
androgen
receptor
(AR),
but
thresholds
for
AR
positivity
and
its
clinical
significance
vary.
We
hypothesize
that
objective
assessment
outperforms
subjective
methods,
high
negatively
impacts
prognosis.
In
a
population-based
TNBC
cohort
(n
=
198)
with
long
follow-up
(4–383
months),
expression
was
evaluated
via
scoring
(AR-Manual)
automated
digital
image
analysis
(AR-DIA).
10%
cut-off
value
AR-DIA
strongest
negative
prognostic
threshold
distant
metastases
(p
0.008).
High
correlated
lower
grade
0.014),
proliferation
0.004)
also
larger
tumors
0.047),
metastasis
0.052),
lymph
node
(LN)
<
0.001),
highlighting
dual
roles.
Multivariate
revealed
interaction
between
LN
status
0.001)
as
factor,
followed
by
fibrotic
focus
(FF;
p
0.009),
mitotic
activity
index
(MAI;
0.018),
stromal
tumor-infiltrating
lymphocytes
(sTILs;
0.041).
had
no
additional
in
favorable
subgroups
significant
unfavorable
subgroups.
patients
characteristics,
ACT
did
not
improve
survival,
may
benefit
from
AR-targeted
therapy.
Overall,
DIA
method
provides
reproducibility,
(≥10%)
shows
opposing
survival
effects
different
subgroups,
evaluation
is
crucial
prognosis
therapies.
Medicine,
Journal Year:
2025,
Volume and Issue:
104(7), P. e41578 - e41578
Published: Feb. 14, 2025
DNA
methyltransferase
3A
(DNMT3A)
has
been
associated
with
the
occurrence
or
progression
of
various
tumors,
including
gastric
cancer.
However,
role
DNMT3A
in
efficacy
immune-cell
infiltration
tumor
microenvironment
and
immunotherapy
cancer
remains
less
explored.
expression
level
was
analyzed
using
TIMER
2.0,
Sangerbox
3.0,
The
Cancer
Genome
Atlas
database
further
verified
by
immunohistochemical
staining
RT-qPCR.
UALCAN,
chi-square
test,
Kaplan–Meier
plotter
databases
were
performed
to
assess
correlation
clinicopathological
characteristics
prognosis.
GeneMANIA
database,
STRING
R
package
used
construct
a
co-expression
gene
network.
Gene
set
enrichment
analysis
identify
signaling
pathways
related
expression.
correlations
between
immune
infiltrates
investigated
Plotter,
package,
TISIDB
databases.
immunomodulators
Immune
cell
Proportion
Score.
association
mutational
burden
(TMB),
microsatellite
instability,
dryness
evaluated
TMB
function
2.0.
Finally,
biological
cells
assessed
CCK-8,
cloning
formation,
transwell
assay.
remarkably
upregulated
high
poor
clinical
features
survival
patients
Moreover,
analyses
showed
that
its
genes
involved
promoted
influencing
microenvironment.
significantly
tumor-infiltrating
cells,
immunomodulators,
TMB,
checkpoints
knockdown
reduced
proliferation
migration
cells.
Our
findings
highlight
potential
as
prognosis
biomarker
an
immunotherapeutic
target
for
World Journal of Surgical Oncology,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: Feb. 20, 2025
Breast
cancer
is
a
prevalent
malignancy
worldwide,
and
its
treatment
has
increasingly
shifted
towards
precision
medicine,
with
immunotherapy
emerging
as
key
therapeutic
strategy.
Deubiquitination,
an
essential
epigenetic
modification,
regulated
by
deubiquitinating
enzymes
(DUBs)
plays
critical
role
in
immune
function
tumor
progression.
Ubiquitin-specific
proteases
(USPs),
prominent
subgroup
of
DUBs,
are
involved
regulating
cell
functions,
antigen
processing,
T
development
the
context
breast
cancer.
Certain
USPs
also
modulate
differentiation
cells,
such
myeloid-derived
suppressor
cells
(MDSCs)
regulatory
(Tregs),
within
microenvironment.
Furthermore,
several
influence
expression
PD-L1,
thus
affecting
efficacy
checkpoint
inhibitors.
The
overexpression
may
promote
evasion,
contributing
to
resistance.
This
review
elucidates
modulating
microenvironment
responses
Additionally,
it
discusses
effective
strategies
for
combining
USP
inhibitors
other
agents
enhance
outcomes.
Therefore,
targeting
presents
potential
overcome
drug
resistance,
offering
more
strategy
patients.
Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
17(4), P. 426 - 426
Published: March 27, 2025
Background/Objective:
Breast
cancer
remains
the
most
common
malignancy
among
women
worldwide,
contributing
to
high
morbidity
and
mortality
rates.
Many
anti-cancer
drugs
have
been
derived
from
medicinal
plants,
frankincense
Boswellia
carterii
is
notable
for
its
anti-inflammatory,
anti-neoplastic,
anti-carcinogenic
properties.
Using
gas
chromatography/mass
spectrometry
(GC/MS),
48
components
were
identified
in
B.
essential
oil,
major
constituent
was
α-pinene
(35.81%).
Method:
In
this
study,
we
investigated
anti-tumor
effects
of
oil
(FEO)
nano-formulation
with
chitosan
(FEO-CSNPs)
using
vitro
breast
models
(MCF-7,
MDA-MB-231,
4T1
cells)
vivo
mouse
mammary
carcinoma
(4T1)
(Balb/c).
Results:
The
results
showed
significant
reductions
cell
viability.
At
10
μg/mL,
FEO
highest
reduction
C-166
cells,
while
at
100
exhibited
a
stronger
cytotoxicity
MDA-MB-231
cells
compared
FEO-CSNPs
CSNPs.
growth
arrest
S,
G2/M,
G1/S
phases
MCF-7,
lines
(36.91%,
23.12%,
33.58%),
addition
increased
apoptosis
rates
(33.04%,
36.39%,
42.19%).
wound
healing
assays
revealed
decreased
migratory
ability
treated
cells.
experiments
balb/c
mice
demonstrated
tumor
volume,
histopathological
analysis
confirming
extensive
necrosis.
Moreover,
antioxidant
arginase
activity.
gene
expression
via
qPCR
indicated
upregulation
suppressor
genes
downregulation
oncogenes.
Conclusions:
These
findings
suggest
that
nano-formulation,
particularly
form
as
an
oral
formulation,
display
enhanced
efficacy,
warranting
further
preclinical
clinical
research
develop
innovative
treatment
strategies.