Proceedings of the National Academy of Sciences,
Journal Year:
2022,
Volume and Issue:
119(8)
Published: Feb. 18, 2022
Significance
PD-L1
is
well
known
as
an
immune
checkpoint
molecule,
which
suppresses
surveillance
through
binding
to
its
receptor
PD-1.
Intracellular
can
also
protect
messenger
RNAs
of
several
DNA
damage
repair–related
genes
from
degradation
and
enhance
tumor
resistance
DNA-damaging
therapy.
Triple-negative
breast
cancer
(TNBC)
has
the
worst
prognosis
highest
risk
distant
relapse
in
shows
immunotherapy
radiotherapy.
In
this
study,
we
found
that
D-mannose
promote
significantly
radiotherapy
TNBC.
Since
TNBC
treatment
still
a
clinical
challenge,
our
findings
provide
strategies
therapeutic
efficacy
may
have
application.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: May 11, 2021
Abstract
Most
patients
with
triple
negative
breast
cancer
(TNBC)
do
not
respond
to
anti-PD1/PDL1
immunotherapy,
indicating
the
necessity
explore
immune
checkpoint
targets.
B7H3
is
a
highly
glycosylated
protein.
However,
mechanisms
of
glycosylation
regulation
and
whether
sugar
moiety
contributes
immunosuppression
are
unclear.
Here,
we
identify
aberrant
show
that
N-glycosylation
at
NXT
motif
sites
responsible
for
its
protein
stability
in
TNBC
tumors.
The
fucosyltransferase
FUT8
catalyzes
core
fucosylation
N-glycans
maintain
high
expression.
Knockdown
rescues
B7H3-mediated
immunosuppressive
function
cells.
Abnormal
mediated
by
overexpression
can
be
physiologically
important
clinically
relevant
TNBC.
Notably,
combination
inhibitor
2F-Fuc
anti-PDL1
results
enhanced
therapeutic
efficacy
B7H3-positive
These
findings
suggest
targeting
FUT8-B7H3
axis
might
promising
strategy
improving
anti-tumor
responses
Expert Opinion on Investigational Drugs,
Journal Year:
2021,
Volume and Issue:
31(6), P. 549 - 555
Published: Nov. 18, 2021
Immune
checkpoint
inhibitors
(ICIs)
have
recently
entered
into
the
therapeutic
scenario
of
metastatic
breast
cancer.
However,
only
a
proportion
patients
benefit
from
ICIs
and
immune-based
combinations,
so
identification
reliable
predictors
response
remains
an
unmet
need.We
discuss
potential
to
in
cancer,
including
PD-L1
expression,
tumor-infiltrating
lymphocytes
(TILs),
tumor
mutational
burden
(TMB),
several
other
biomarkers
suggest
future
directions
research
this
setting.
A
literature
search
was
conducted
October
2021
Pubmed/Medline,
Cochrane
library
Scopus
databases;
addition,
abstract
international
cancer
meetings
were
reviewed.In
terms
immunotherapy
TNBC
patients,
are
being
evaluated.
Valuable
data
on
predictive
emerged,
host-related
factors,
immune-related
cells,
protein
genetic
markers.
Data
supporting
triple-negative
setting
not
concordant,
but
there
been
some
positive
phase
III
trials
IMpassion130
KEYNOTE-355.
Phase
II
(neo)adjuvant
supportive
strategy.
Further
investigations
warranted
challenging
area.
Journal of Hematology & Oncology,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: Aug. 28, 2023
Triple-negative
breast
cancer
(TNBC),
a
highly
aggressive
subtype
of
cancer,
negatively
expresses
estrogen
receptor,
progesterone
and
the
human
epidermal
growth
factor
receptor
2
(HER2).
Although
chemotherapy
is
main
form
treatment
for
patients
with
TNBC,
effectiveness
TNBC
still
limited.
The
search
more
effective
therapies
urgent.
Multiple
targeted
therapeutic
strategies
have
emerged
according
to
specific
molecules
signaling
pathways
expressed
in
TNBC.
These
include
PI3K/AKT/mTOR
inhibitors,
Notch
poly
ADP-ribose
polymerase
antibody-drug
conjugates.
Moreover,
immune
checkpoint
example,
pembrolizumab,
atezolizumab,
durvalumab,
are
widely
explored
clinic.
We
summarize
recent
advances
therapy
immunotherapy
aim
serving
as
reference
development
individualized
future.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(23), P. 14937 - 14937
Published: Nov. 29, 2022
Heterogeneity
of
triple-negative
breast
cancer
is
well
known
at
clinical,
histopathological,
and
molecular
levels.
Genomic
instability
greater
mutation
rates,
which
may
result
in
the
creation
neoantigens
enhanced
immunogenicity,
are
additional
characteristics
this
type.
Clinical
outcome
poor
due
to
early
age
onset,
high
metastatic
potential,
increased
likelihood
distant
recurrence.
Consequently,
efforts
elucidate
mechanisms
development,
progression,
spread
have
been
initiated
improve
treatment
options
outcomes
for
these
patients.
The
extremely
complex
heterogeneous
tumor
immune
microenvironment
made
up
several
cell
types
commonly
possesses
disorganized
gene
expression.
Altered
signaling
pathways
mainly
associated
with
mutated
genes
including
p53,
PIK3CA,
MAPK,
positively
correlated
regulating
response.
Of
note,
particular
immunity-associated
could
be
used
prognostic
indexes
assess
most
effective
management.
Recent
findings
highlight
fact
that
long
non-coding
RNAs
also
play
an
important
role
shaping
formation,
can
mediate
evasion.
Identification
signatures,
through
use
multi-omics
approaches,
effector
drive
stages
carcinogenic
process
steps
developing
new
strategies
targeted
prevention.
Advances
immunotherapy
by
remodeling
host
system
eradicate
cells
great
promise
lead
novel
therapeutic
strategies.
Current
research
focused
on
combining
checkpoint
inhibition
chemotherapy,
PARP
inhibitors,
vaccines,
or
natural
killer
therapy.
Targeted
therapies
response,
eliminate
resistance,
overall
patient
survival.
In
future,
evolving
advancements
should
implemented
personalized
medicine
state-of-art
management
Frontiers in Genetics,
Journal Year:
2023,
Volume and Issue:
13
Published: Jan. 12, 2023
Triple
negative
breast
cancer
(TNBC)
is
a
biologically
diverse
subtype
of
characterized
by
genomic
and
transcriptional
heterogeneity
exhibiting
aggressive
clinical
behaviour
poor
prognosis.
In
recent
years,
emphasis
has
been
placed
on
the
identification
mechanisms
underlying
complex
biological
profile
TNBC,
aiming
to
tailor
treatment
strategies.
High
immunogenicity,
specific
immune
activation
signatures,
higher
expression
immunosuppressive
genes
levels
stromal
Tumor
Infiltrating
Lymphocytes,
constitute
some
key
elements
driven
landscape
associated
with
TNBC.
The
unprecedented
response
TNBC
immunotherapy
undoubtedly
changed
standard
care
in
this
disease
both
early
metastatic
setting.
However,
extent
interplay
between
infiltration
mutational
signatures
yet
be
fully
unravelled.
present
review,
we
evidence
immunogenicity
tumour
microenvironment
influence
progression
current
paradigms
based
immunotherapy.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(15)
Published: March 26, 2023
Abstract
The
regulation
of
tumor
immunosuppressive
microenvironments
via
precise
drug
delivery
is
a
promising
strategy
for
preventing
recurrence
and
metastasis.
Inspired
by
the
stealth
strategy,
stealthy
nanovehicle
based
on
neutrophil
camouflage
developed
to
achieve
immunotherapy
triggering
pyroptosis.
comprises
anti‐CD11b‐
IR820‐conjugated
bovine
serum
albumin
nanoparticles
loaded
with
decitabine.
Camouflaged
neutrophils,
nanovehicles
efficient
hitchhiking
owing
biotropism
neutrophils
tumors.
fluorescent
signal
molecule,
IR820,
acts
as
navigation
monitor
track
nanovehicle.
released
decitabine
upregulates
gasdermin
E,
laser
irradiation
activates
caspase‐3,
thereby
resulting
in
pyroptosis,
which
improves
system's
adaptive
immune
response.
In
triple‐negative
breast
cancer
animal
model,
it
regulates
microenvironment
effective
induces
long‐lasting
strong
memory
prevent
lung
Science Translational Medicine,
Journal Year:
2023,
Volume and Issue:
15(686)
Published: March 8, 2023
Natural
killer
(NK)
cells
are
cytotoxic
lymphocytes
that
accumulate
within
the
tumor
microenvironment
and
generally
considered
to
be
antitumorigenic.
Using
single-cell
RNA
sequencing
functional
analysis
of
multiple
triple-negative
breast
cancer
(TNBC)
basal
samples,
we
observed
a
unique
subcluster
Socs3
high
CD11b
−
CD27
immature
NK
were
present
only
in
TNBC
samples.
These
tumor-infiltrating
expressed
reduced
granzyme
signature
and,
mice,
responsible
for
activating
stem
through
Wnt
signaling.
cell–mediated
activation
these
subsequently
enhanced
progression
whereas
depletion
or
ligand
secretion
from
by
LGK-974
decreased
progression.
In
addition,
cell
inhibition
their
function
improved
anti–programmed
death
1
(PD-L1)
antibody
chemotherapy
response
mice
with
TNBC.
Furthermore,
samples
patients
non-TNBC
revealed
increased
numbers
CD56
bright
tumors
correlated
poor
overall
survival
Together,
our
findings
identify
population
protumorigenic
may
exploited
both
diagnostic
therapeutic
strategies
improve
outcomes
Acta Pharmaceutica Sinica B,
Journal Year:
2024,
Volume and Issue:
14(5), P. 2194 - 2209
Published: March 2, 2024
Despite
the
great
potential
of
anti-PD-L1
antibodies
for
immunotherapy,
their
low
response
rate
due
to
an
immunosuppressive
tumor
microenvironment
has
hampered
application.
To
address
this
issue,
we
constructed
a
cell
membrane-coated
nanosystem
(mB4S)
reverse
immuno-supportive
one
strengthening
anti-tumor
effect.
In
system,
Epirubicin
(EPI)
as
immunogenic
death
(ICD)
inducer
was
coupled
branched
glycopolymer
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(13), P. 9713 - 9735
Published: March 20, 2024
Cancer-associated
fibroblasts
(CAFs)
assist
in
breast
cancer
(BRCA)
invasion
and
immune
resistance
by
overproduction
of
extracellular
matrix
(ECM).
Herein,
we
develop
FPC@S,
a
photodynamic
immunomodulator
that
targets
the
ECM,
to
improve
immunotherapy
for
fibrotic
BRCA.
FPC@S
combines
tumor
ECM-targeting
peptide,
photosensitizer
(protoporphyrin
IX)
an
antifibrotic
drug
(SIS3).
After
anchoring
causes
ECM
remodeling
BRCA
cell
death
generating
reactive
oxygen
species
(ROS)
situ.
Interestingly,
ROS-mediated
can
normalize
blood
vessel
hypoxia
turn
facilitate
more
ROS
production.
Besides,
upon
acidic
microenvironment,
will
release
SIS3
reprograming
CAFs
reduce
their
activity
but
not
kill
them,
thus
inhibiting
fibrosis
while
preventing
metastasis.
The
natural
physical
barrier
formed
dense
is
consequently
eliminated
BRCA,
allowing
drugs
cells
penetrate
deep
into
tumors
have
better
efficacy.
Furthermore,
stimulate
system
effectively
suppress
primary,
distant
metastatic
combining
with
checkpoint
blockade
therapy.
This
study
provides
different
insights
development
targeted
delivery
systems
exploration
synergistic
immunotherapeutic
mechanisms
against
aggressive