Journal of Translational Medicine,
Год журнала:
2024,
Номер
22(1)
Опубликована: Дек. 27, 2024
Recent
studies
have
highlighted
the
distinct
ratio
of
PD-1
+
Treg/PD-1
CD8
for
prognosis
prediction.
However,
it
remains
unclear
about
association
this
and
tertiary
lymphoid
structures
(TLS)
with
response
to
neoadjuvant
or
conversion
therapy
in
advanced
gastric
cancer.
Firstly,
fresh
postoperative
samples
from
68
cancer
patients
Renji
Hospital
were
collected.
Meanwhile,
immune
cell
infiltration
as
well
clinical
analysis
conducted.
Subsequently,
we
further
systematically
evaluated
flow
cytometry
tumor
TLS
expression
38
different
situations
after
therapy.
Also,
a
cohort
including
10
complete
matching
before
treatment
was
established
receive
RNA
sequencing
multiplex
immunohistochemistry
(mIHC)
tests.
The
corresponding
score
compared
based
on
therapeutic
variations.
In
general,
CD8>1
could
be
regarded
an
independent
predictor
patients.
Moreover,
<
1
high
indicate
better
extended
survival
time
advanved
Besides,
low
&TLS
group
predict
progression
free
(PFS)
(CR)
subgroup.
therapy,
number
T
cells
significantly
increased,
mainly
occurring
outside
TLSs.
TLSs
also
considerably
activated
observed.
This
study
underlined
that
combining
associated
preoperative
Inspiringly,
these
indicators
potential
elucidate
balance
can
accurately
guide
subsequent
strategies.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Окт. 18, 2024
Immunotherapy
has
made
significant
strides
in
cancer
treatment,
particularly
through
immune
checkpoint
blockade
(ICB),
which
shown
notable
clinical
benefits
across
various
tumor
types.
Despite
the
transformative
impact
of
ICB
treatment
therapy,
only
a
minority
patients
exhibit
positive
response
to
it.
In
with
solid
tumors,
those
who
respond
well
typically
demonstrate
an
active
profile
referred
as
"hot"
(immune-inflamed)
phenotype.
On
other
hand,
non-responsive
may
distinct
"cold"
(immune-desert)
phenotype,
differing
from
features
tumors.
Additionally,
there
is
more
nuanced
"excluded"
positioned
between
and
categories,
known
type.
Effective
differentiation
understanding
intrinsic
factors,
characteristics,
TME,
external
factors
are
critical
for
predicting
results.
It
widely
accepted
that
therapy
exerts
profound
effect
on
limited
efficacy
against
or
"altered"
necessitating
combinations
therapeutic
modalities
enhance
cell
infiltration
into
tissue
convert
tumors
ones.
Therefore,
aligning
traits
this
review
systematically
delineates
respective
influencing
extensively
discusses
varied
approaches
drug
targets
based
assess
efficacy.
Metabolic
reprogramming
within
the
tumor
microenvironment
(TME)
is
a
hallmark
of
cancer
and
crucial
determinant
progression.
Research
indicates
that
various
metabolic
regulators
form
network
in
TME
interact
with
immune
cells,
coordinating
response.
dysregulation
creates
an
immunosuppressive
TME,
impairing
antitumor
In
this
review,
we
discuss
how
affect
cell
crosstalk
TME.
We
also
summarize
recent
clinical
trials
involving
challenges
metabolism-based
therapies
translation.
word,
our
review
distills
key
regulatory
factors
their
mechanisms
action
from
complex
metabolism,
identified
as
regulators.
These
provide
theoretical
basis
research
direction
for
development
new
strategies
targets
therapy
based
on
reprogramming.
Refining
Depicting
between
stromal
cells
during
Emphasizing
unresolved
translation
advantages
personalized
treatment.
Providing
support
therapies.
Materials Today Bio,
Год журнала:
2025,
Номер
30, С. 101441 - 101441
Опубликована: Янв. 1, 2025
The
therapeutic
effect
of
immune
checkpoint
inhibitors
(ICIs)
in
triple-negative
breast
cancer
(TNBC)
is
unsatisfactory.
"cold"
microenvironment
caused
by
tumor-associated
fibroblasts
(TAFs)
has
an
adverse
on
the
antitumor
response.
Therefore,
this
study,
mixed
cell
membrane-coated
porous
magnetic
nanoparticles
(PMNPs)
were
constructed
to
deliver
salvianolic
acid
B
(SAB)
induce
response,
facilitating
transition
from
a
"hot"
tumor
and
ultimately
enhancing
efficacy
inhibitors.
PMNP-SAB,
which
based
coating
red
blood
membrane
TAF
(named
PMNP-SAB@RTM),
can
simultaneously
achieve
dual
effects
"immune
escape"
"homologous
targeting".
Under
influence
external
field
(MF),
SAB
be
targeted
concentrated
at
site.
released
tumors
effectively
inhibit
production
extracellular
matrix
(ECM)
TAFs,
promote
T-cell
infiltration,
responses.
Ultimately,
combination
PMNP-SAB@RTM
BMS-1
(PD-1/PD-L1
inhibitor
1)
inhibited
growth.
Finally,
study
presents
precise
effective
new
strategy
for
TNBC
immunotherapy
basis
differentiation
microenvironments.
Recent
advancements
in
cancer
therapy
have
highlighted
the
dual
role
of
cyclin-dependent
kinase
4/6
inhibitors
(CDK4/6i)
both
cell
cycle
regulation
and
immune
activation.
However,
applying
CDK4/6i
to
immunologically
unfavorable
tumors
is
challenging
due
complex
tumor
microenvironment
(TME),
characterized
by
inadequate
T
recruitment
exclusion
mechanisms
that
hinder
an
effective
antitumor
immunity.
In
this
work,
we
iteratively
designed
prodrug
liposomal
nanocarriers
integrate
multiple
functions:
inhibition
through
encapsulation
CDK4/6i,
activation
via
concurrent
delivery
oral
gavage-inducing
chemotherapy
agent,
overcoming
incorporation
a
cholesterol
prodrug.
This
iterative
nanocarrier
design
effectively
improves
pharmacokinetic
profile
overcomes
immunosuppressive
TME,
achieves
superior
efficacy,
synergizes
with
checkpoint
provide
lasting
effects
various
colon
animal
models.
Abstract
RNA
modifications
are
emerging
as
critical
cancer
regulators
that
influence
tumorigenesis
and
progression.
Key
modifications,
such
N6‐methyladenosine
(m
6
A)
5‐methylcytosine
5
C),
implicated
in
various
cellular
processes.
These
regulated
by
proteins
write,
erase,
read
modulate
stability,
splicing,
translation,
degradation.
Recent
studies
have
highlighted
their
roles
metabolic
reprogramming,
signaling
pathways,
cell
cycle
control,
which
essential
for
tumor
proliferation
survival.
Despite
these
scientific
advances,
the
precise
mechanisms
affect
remain
inadequately
understood.
This
review
comprehensively
examines
role
play
proliferation,
metastasis,
programmed
death,
including
apoptosis,
autophagy,
ferroptosis.
It
explores
effects
on
epithelial–mesenchymal
transition
(EMT)
immune
microenvironment,
particularly
metastasis.
Furthermore,
modifications’
potential
therapies,
conventional
treatments,
immunotherapy,
targeted
is
discussed.
By
addressing
aspects,
this
aims
to
bridge
current
research
gaps
underscore
therapeutic
of
targeting
improve
treatment
strategies
patient
outcomes.
Frontiers in Pharmacology,
Год журнала:
2025,
Номер
16
Опубликована: Март 12, 2025
Background
Tumor
necrosis
factor
(TNF)
receptor
associated
factor-2
(TRAF2)
is
an
E3
ubiquitin
ligase
and
scaffolding
protein
that
contribute
to
the
progression
of
various
malignant
tumors.
However,
role
TRAF2
expression
in
epigenetic,
cancer
prognosis,
immune
responses
tumor
microenvironment
unclear.
Methods
We
used
The
Human
Protein
Atlas
(HPA)
database,
TIMER
2.0
TCGA
database
evaluate
human
normal
tissues.
Correlation
with
mutations
epigenetic
tumors
was
evaluated
using
cBioPortal
platform
GSCA
database.
To
assess
prognostic
value
TRAF2,
we
performed
Kaplan-Meier
plots
Cox
regression
analysis.
LinkedOmics
for
PANTHER
Pathways
enrichment
relationship
between
checkpoint
genes,
as
well
cell
infiltration,
examined
R
language.
Single-cell
sequencing
data
multiple
immunofluorescence
staining
were
observe
co-expression
on
hepatocellular
carcinoma
cells
cells.
Furthermore,
siRNA-mediated
knockdown,
explored
potential
liver
biology.
Results
Our
findings
indicate
frequently
mutated
significantly
overexpressed
types
cancers,
this
overexpression
linked
a
poor
prognosis.
alterations
significant
across
cancers.
levels
genes
tumor-infiltrating
cells,
suggesting
its
involvement
microenvironment.
Of
note,
analysis
revealed
correlation
T
activation,
single-cell
indicated
In
vivo
results
demonstrated
closely
lymphocytes
carcinoma.
our
vitro
experimental
studies
confirmed
loss
function
inhibits
behavior
HepG2
Conclusion
represents
biomarker
therapeutic
target
immunotherapy,
particularly
patients
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 8, 2025
Abstract
Microsatellite
stable
(MSS)
colorectal
cancer
(CRC)
is
considered
an
“immune‐cold”
tumor,
accounting
for
≈85%
of
all
CRC
cases.
The
overall
response
rate
to
chemotherapy
combined
with
immune
checkpoint
inhibitors
in
MSS
typically
less
than
10%.
specific
mechanism
that
enhances
sensitivity
and
mediated
immunogenicity
renders
more
responsive
immunotherapy
remains
elusive.
Experiments
this
study
identify
a
DNA
damage
repair‐related
epigenetic
gene,
protein
arginine
methyltransferase
5
(PRMT5),
whose
inhibition
Irinotecan
(CPT‐11)
synergistically
induces
postmeiotic
segregation
increased
2
(PMS2)‐deficient‐like
state,
leading
the
release
cytosolic
double‐stranded
DNA.
This
activates
cyclic
GMP‐AMP
synthase
(cGAS)‐stimulator
IFN
gene
(STING)
signaling
pathway,
thereby
enhancing
anti‐tumor
through
dendritic
cell‐T
cell‐dependent
functions.
Importantly,
combining
drug
GSK3326595
CPT‐11
significantly
upregulates
receptor
tyrosine‐based
inhibitory
motif
(TIGIT)
level
on
CD8+
T
cells
subsequently
demonstrates
impressive
efficacy
vivo
when
additional
anti‐TIGIT
included.
Collectively,
reveals
crucial
role
PRMT5
blockade
inducing
mismatch
repair
deficiency‐like
state
provides
novel
triple‐drug
combination
therapy
strategy
as
potential
treatment
patients
CRC.