The Journal of V N Karazin Kharkiv National University series Medicine,
Год журнала:
2024,
Номер
51, С. 495 - 504
Опубликована: Дек. 30, 2024
Background.
The
effectiveness
of
targeted
therapy
in
patients
with
HER2+
breast
cancer
largely
depends
on
the
tumor
microenvironment.
Regulatory
T-lymphocytes
(FOXP3+)
negatively
regulate
immune
responses
and
are
mostly
considered
a
factor
unfavorable
prognosis.
Breast
is
heterogeneous
disease
unique
biological
properties
for
each
molecular
subtype.
impact
regulatory
T
cells
prognosis
controversial.
Purpose
–
to
evaluate
prognostic
significance
metastatic
cancer.
Materials
Methods.
study
included
78
who
were
treated
at
Sumy
Regional
Clinical
Oncology
Center
from
2014
2024.
Data
clinical
pathological
characteristics
taken
primary
medical
documentation.
Immunohistochemistry
was
performed
all
samples
tissue.
lymphocytes
visualized
using
antibodies
against
FOXP3.
Pearson
test,
One-way
ANOVA,
Kaplan–Meier
method,
logarithmic
test
used
statistical
analysis.
Local
Ethics
Committee
approved
study.
Results.
mean
age
low
high
Foxp3
expression
53.1
±
1.74
57.3
1.64,
respectively.
Among
expression,
there
proportion
women
younger
than
50
years
(p
=
0.0423)
estrogen-negative
(χ2
8.4080,
p
0.023).
Other
clinicopathological
patients,
such
as
location
tumor,
histopathological
diagnosis,
grades,
visceral
non-visceral
metastases,
Ki67
proliferation
index,
did
not
show
an
association
expression.
Median
progression-free
survival
12.9
months
15.5
respectively
(Log-rank
0,0001).
overall
21.6
46.9
Conclusions.
In
cancer,
associated
better
survival.
those
FOXP3
under
more
prevalent.
Cancers,
Год журнала:
2025,
Номер
17(1), С. 159 - 159
Опубликована: Янв. 6, 2025
Background:
Proteasomes
degrade
intracellular
proteins.
Different
proteasome
forms
were
identified.
Proteasome
inhibitors
are
used
in
cancer
therapy,
and
novel
drugs
directed
to
specific
developed.
Breast
(BC)
therapy
depends
on
the
subtype
of
tumor,
determined
by
expression
level
Ki67,
HER-2,
estrogen
progesterone
receptors.
Relationships
between
presence
proteins
that
determine
BC
remain
unclear.
Here,
using
gene
data
19,145
tumor
samples
from
144
datasets
tissues
159
patients
with
different
subtypes
BC,
we
investigated
association
activity
proteasomes
levels
markers.
Methods:
Bioinformatic
analysis
subunit
(PSMB1-10)
was
performed.
heterogeneity
cell
lines
qPCR.
By
Western
blotting,
composition
assessed
cells
patient
tissue
lysates.
activities
studied
fluorogenic
substrates.
molecular
immunohistochemistry.
Results:
demonstrate
differing
pattern
strong
PSMB8-10
co-correlation
tumors.
A
significant
increase
chymotrypsin-
caspase-like
compared
adjacent
revealed.
The
varied.
Regression
demonstrated
a
positive
correlation
receptors
Conclusion:
differences
within
pool.
Correlations
activity,
hormone
Ki67
indicate
possible
mutual
influence.
Obtained
results
facilitate
development
drug
combinations
for
therapy.
Journal of Ovarian Research,
Год журнала:
2025,
Номер
18(1)
Опубликована: Янв. 25, 2025
Ovarian
cancers
(OC)
and
cervical
(CC)
have
poor
survival
rates.
Tumor-infiltrating
lymphocytes
(TILs)
play
a
pivotal
role
in
prognosis,
but
shared
immune
mechanisms
remain
elusive.
We
integrated
single-cell
RNA
sequencing
(scRNA-seq)
spatial
transcriptomics
(ST)
to
explore
regulation
OC
CC,
focusing
on
the
PI3K/AKT
pathway
FLT3
as
key
modulators.
Seurat
Harmony
were
employed
for
batch
correction
dimensionality
reduction.
expression
was
mapped
with
data
from
10
×
Genomics.
FLT3,
identified
regulator
through
pathway,
showed
positive
correlations
T
cells,
NK
B
cells.
FLT3-high
regions
exhibited
increased
infiltration,
particularly
enhancing
outcomes.
This
study
provides
first
spatially
resolved
evidence
of
FLT3's
immune-modulatory
positioning
it
promising
immunotherapeutic
target.
FLT3-targeted
strategies
may
offer
new
options
patients
resistant
conventional
therapies.
American journal of clinical and experimental immunology.,
Год журнала:
2025,
Номер
14(1), С. 1 - 13
Опубликована: Янв. 1, 2025
Breast
cancer
is
one
of
the
most
common
cancers
in
women
with
high
morbidity
and
mortality.
ZNF480,
a
member
KRAB-ZNFs
family,
correlates
progression.
However,
its
role
development
progression
breast
remains
unclear.
We
utilized
transcriptomic
clinical
data
from
The
Cancer
Genome
Atlas
(TCGA)
Genotype
Tissue
Expression
(GTEx)
databases
patients
to
investigate
potential
pro-cancer
including
differential
expression
ZNF480
cancer,
prognostic
value,
clinicopathological
features,
immune
cell
infiltration
relevance
function
enrichment
analysis.
Our
results
indicate
that
upregulated
correlations
survival,
stage,
race
tumor
subtype
patients.
Additionally,
analysis
revealed
significant
negative
between
multiple
infiltrating
cells,
aDC,
B
CD8
T
Cytotoxic
DC,
iDC,
Macrophages,
Neutrophils,
NK
CD56bright
CD56dim
pDC,
Tem,
TFH
Th1
whereas
positive
correlation
was
observed
helper
Tcm,
Tgd
Th2
cells.
Furthermore,
functional
indicated
may
be
involved
Angiogenesis,
Allograft
rejection,
TNFα
signaling
via
NFκB,
Coagulation,
IL6
Jak
STAT3
signaling,
Inflammatory
response,
Interferon
gamma
response
other
processes.
highly
expressed
infiltration,
candidate
biomarker,
which
assist
treatment.
Регенерация органов и тканей.,
Год журнала:
2025,
Номер
2(2), С. 10 - 23
Опубликована: Март 22, 2025
Cellular
immunotherapy
CAR-T
(Chimeric
Antigen
Receptor
T-Cell,
or
T-cells
with
a
chimeric
antigen
receptor)
is
an
advanced
approach
to
the
treatment
of
oncological
diseases.
Currently,
CAR-Ttherapy
has
shown
high
efficiency
in
oncohematological
At
same
time,
numerous
attempts
create
CAR-T-constructs
for
solid
tumors,
particular
breast
cancer
(BC),
have
not
demonstrated
significant
clinical
efficacy.
It
assumed
that
key
solving
these
problems
lies
development
and
implementation
new
genetic
engineering
strategies.The
purpose
this
review
was
summarize
systematize
existing
studies
CAR
technology.
In
paper,
we
potential
targets
BC,
detail
limitations
using
technologies
identify
important
future
trends
area.
Triple-negative
breast
cancer
(TNBC)
lacks
the
expression
of
estrogen
receptors,
human
epidermal
growth
factor
receptor
2,
and
progesterone
receptors
(PR).
TNBC
has
poorest
prognosis
among
subtypes
is
more
likely
to
respond
immunotherapy
due
its
higher
PD-L1
a
greater
percentage
tumor-infiltrating
lymphocytes.
Immunotherapy
revolutionized
treatment,
especially
with
FDA's
approval
pembrolizumab
(Keytruda)
combined
chemotherapy
for
advanced
cases,
opening
new
avenues
treating
this
deadly
disease.
Although,
can
significantly
improve
patient
outcomes
in
subset
patients,
achieving
desired
response
rate
all
remains
an
unmet
clinical
goal.
Strategies
that
responses
immune
checkpoint
blockade,
including
combining
chemotherapy,
molecularly
targeted
therapy,
or
radiotherapy
may
rates
outcomes.
In
review,
we
provide
short
background
on
explore
different
types
strategies
are
currently
being
evaluated
TNBC.
Additionally,
review
why
combination
be
beneficial,
overview
strategies,
discuss
novel
immunotherapeutic
opportunities
approved
near
future
Cancers,
Год журнала:
2024,
Номер
16(18), С. 3160 - 3160
Опубликована: Сен. 15, 2024
Background:
Tumor-associated
neutrophils
(TANs)
are
important
modulators
of
the
tumor
microenvironment
with
opposing
functions
that
can
promote
and
inhibit
progression.
The
prognostic
role
TANs
in
early
luminal
breast
cancer
is
unclear.
Methods:
A
total
144
patients
were
treated
for
early-stage
hormone-receptor-positive
as
part
an
Accelerated
Partial
Breast
Irradiation
(APBI)
phase
II
trial.
Resection
samples
from
multiple
locations
processed
into
tissue
microarrays
sections
thereof
immunohistochemically
stained
CD66b+
neutrophils.
neutrophil
density
was
measured
separately
stromal
intraepithelial
compartment.
Results:
High
TAN
a
negative
factor
central
samples.
In
addition,
adjacent
normal
lymph
node
also
correlated
reduced
disease-free
survival.
CD163+
M2-like
tumor-associated
macrophage
(TAM)
density,
which
we
analyzed
previous
study.
tumors
elevated
M1/M2
TAM
ratio,
while
this
impact
on
patient
outcome
lost
low
ratio.
combined
multivariate
analysis
revealed
only
polarization
status
independent
factor.
Conclusions:
single-marker
analysis.
Combined
TAMs
could
be
necessary
to
correctly
evaluate
their
future
studies.
recruitment
might
act
compensatory
mechanism
immunoevasion
disease
progression
unable
sufficiently
attract
polarize
TAMs.