Hereditas,
Journal Year:
2025,
Volume and Issue:
162(1)
Published: Feb. 6, 2025
Abstract
Background
Immunotherapy
has
introduced
new
breakthroughs
in
improving
the
survival
of
head
and
neck
squamous
cell
carcinoma
(HNSCC)
patients,
yet
drug
resistance
remains
a
critical
challenge.
Developing
personalized
treatment
strategies
based
on
molecular
heterogeneity
HNSCC
is
essential
to
enhance
therapeutic
efficacy
prognosis.
Methods
We
integrated
four
datasets
(TCGA-HNSCC,
GSE27020,
GSE41613,
GSE65858)
from
TCGA
GEO
databases.
Using
10
multi-omics
consensus
clustering
algorithms
via
MOVICS
package,
we
identified
two
subtypes
(CS1
CS2)
validated
their
stability.
A
machine
learning-driven
prognostic
signature
was
constructed
by
combining
101
algorithms,
ultimately
selecting
30
prognosis-related
genes
(PRGs)
with
Elastic
Net
model.
This
further
linked
immune
infiltration,
functional
pathways,
sensitivity.
Results
CS1
exhibited
superior
outcomes
both
META-HNSCC
cohorts.
The
PRG-based
stratified
patients
into
low-
high-risk
groups,
low-risk
group
showing
prolonged
survival,
enhanced
infiltration
(B
cells,
T
monocytes),
activated
functions
(cytolytic
activity,
co-stimulation).
High-risk
were
more
sensitive
radiotherapy
chemotherapy
(e.g.,
Cisplatin,
5-Fluorouracil),
while
responded
better
immunotherapy
targeted
therapies.
Conclusion
Our
study
delineates
establishes
robust
model
using
data
learning.
These
findings
provide
framework
for
selection,
offering
clinical
insights
optimize
patients.
Journal of Hematology & Oncology,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: May 8, 2024
Abstract
Glioblastoma
(GBM),
the
predominant
and
primary
malignant
intracranial
tumor,
poses
a
formidable
challenge
due
to
its
immunosuppressive
microenvironment,
thereby
confounding
conventional
therapeutic
interventions.
Despite
established
treatment
regimen
comprising
surgical
intervention,
radiotherapy,
temozolomide
administration,
exploration
of
emerging
modalities
such
as
immunotherapy
integration
medicine
engineering
technology
therapy,
efficacy
these
approaches
remains
constrained,
resulting
in
suboptimal
prognostic
outcomes.
In
recent
years,
intensive
scrutiny
inhibitory
milieu
within
GBM
has
underscored
significance
cellular
constituents
microenvironment
their
interactions
with
cells
neurons.
Novel
immune
targeted
therapy
strategies
have
emerged,
offering
promising
avenues
for
advancing
treatment.
One
pivotal
mechanism
orchestrating
immunosuppression
involves
aggregation
myeloid-derived
suppressor
(MDSCs),
glioma-associated
macrophage/microglia
(GAM),
regulatory
T
(Tregs).
Among
these,
MDSCs,
though
constituting
minority
(4–8%)
CD45
+
GBM,
play
central
component
fostering
evasion
propelling
tumor
progression,
angiogenesis,
invasion,
metastasis.
MDSCs
deploy
intricate
mechanisms
that
adapt
dynamic
(TME).
Understanding
interplay
between
provides
compelling
basis
This
review
seeks
elucidate
inherent
explore
existing
targets,
consolidate
insights
into
MDSC
induction
contribution
immunosuppression.
Additionally,
comprehensively
surveys
ongoing
clinical
trials
potential
strategies,
envisioning
future
where
targeting
could
reshape
landscape
GBM.
Through
synergistic
other
modalities,
this
approach
can
establish
multidisciplinary,
multi-target
paradigm,
ultimately
improving
prognosis
quality
life
patients
Molecular Cancer,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Sept. 2, 2024
Programmed
death
receptor-1
(PD-1)
and
its
ligand,
programmed
ligand-1
(PD-L1)
are
essential
molecules
that
key
in
modulating
immune
responses.
PD-L1
is
constitutively
expressed
on
various
cells,
epithelial
cancer
where
it
functions
as
a
co-stimulatory
molecule
capable
of
impairing
T-cell
mediated
Upon
binding
to
PD-1
activated
T-cells,
the
PD-1/PD-L1
interaction
triggers
signaling
pathways
can
induce
apoptosis
or
anergy,
thereby
facilitating
escape
tumors.
In
urological
cancers,
including
bladder
(BCa),
renal
cell
carcinoma
(RCC),
prostate
(PCa),
upregulation
has
been
demonstrated.
It
linked
poor
prognosis
enhanced
tumor
evasion.
Recent
studies
have
highlighted
significant
role
axis
mechanisms
cancers.
The
between
T-cells
further
contributes
immunosuppression
by
inhibiting
activation
proliferation.
Clinical
applications
checkpoint
inhibitors
shown
promising
efficacy
treating
advanced
significantly
improving
patient
outcomes.
However,
resistance
these
therapies,
either
intrinsic
acquired,
remains
challenge.
This
review
aims
provide
comprehensive
overview
pathway
We
summarize
regulatory
mechanism
underlying
expression
activity,
genetic,
epigenetic,
post-transcriptional,
post-translational
modifications.
Additionally,
we
discuss
current
clinical
research
inhibitors,
their
therapeutic
potential,
challenges
associated
with
resistance.
Understanding
crucial
for
developing
new
strategies
overcome
limitations
enhance
immunotherapy.
Journal of Hematology & Oncology,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 13, 2025
The
tumor
microenvironment
(TME)
is
integral
to
cancer
progression,
impacting
metastasis
and
treatment
response.
It
consists
of
diverse
cell
types,
extracellular
matrix
components,
signaling
molecules
that
interact
promote
growth
therapeutic
resistance.
Elucidating
the
intricate
interactions
between
cells
TME
crucial
in
understanding
progression
challenges.
A
critical
process
induced
by
epithelial-mesenchymal
transition
(EMT),
wherein
epithelial
acquire
mesenchymal
traits,
which
enhance
their
motility
invasiveness
progression.
By
targeting
various
components
TME,
novel
investigational
strategies
aim
disrupt
TME's
contribution
EMT,
thereby
improving
efficacy,
addressing
resistance,
offering
a
nuanced
approach
therapy.
This
review
scrutinizes
key
players
emphasizing
avenues
therapeutically
components.
Moreover,
article
discusses
implications
for
resistance
mechanisms
highlights
current
toward
modulation
along
with
potential
caveats.
Abstract
Esophageal
squamous
cell
carcinoma
(ESCC)
patients
often
face
a
grim
prognosis
due
to
lymph
node
metastasis.
However,
comprehensive
understanding
of
the
cellular
and
molecular
characteristics
metastatic
nodes
in
ESCC
remains
elusive.
In
this
study
involving
12
patients,
we
employed
single-cell
sequencing,
spatial
transcriptomics
(ST),
multiplex
immunohistochemistry
(mIHC)
explore
attributes
primary
tumor
samples,
adjacent
tissues,
non-metastatic
nodes.
The
analysis
161,333
cells
revealed
specific
subclusters
epithelial
that
were
significantly
enriched
nodes,
suggesting
pro-metastatic
characteristics.
Furthermore,
stromal
microenvironment,
including
MMP3
+
IL24
fibroblasts,
APLN
endothelial
cells,
CXCL12
pericytes,
implicated
metastasis
through
angiogenesis,
collagen
production,
inflammatory
responses.
Exhausted
CD8
T
cycling
status
notably
prevalent
indicating
their
potential
role
facilitating
We
identified
distinct
cell-cell
communication
networks
ligand-receptor
pathways.
Our
findings
validated
transcriptome
map
mIHC.
This
enhances
our
comprehension
aspects
offering
insights
into
novel
therapeutic
strategies
for
these
individuals.
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
167, P. 115569 - 115569
Published: Sept. 26, 2023
Currently,
immunotherapy
targeting
programmed
cell
death
1
(PD-1)
or
ligand
(PD-L1)
has
revolutionized
the
treatment
strategy
of
human
cancer
patients.
Meanwhile,
PD-1/PD-L1
pathway
also
been
implicated
in
pathogenesis
many
immune-related
diseases,
such
as
autoimmune
chronic
infection
diseases
and
adverse
pregnancy
outcomes,
by
regulating
components
innate
adaptive
immune
systems.
Given
power
new
therapy,
a
better
understanding
regulatory
effects
on
responses
will
facilitate
discovery
novel
biomarkers
therapeutic
drug
targets.
Targeting
this
may
successfully
halt
potentially
even
reverse
these
pathological
processes.
In
review,
we
discuss
recent
major
advances
axis
diseases.
We
reveal
that
impact
system
is
complex
manifold
multi-strategies
targeted
are
taken
Consequently,
pathway,
alone
combination
with
other
treatments,
represent
for
future
intervention
Molecular Cancer,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Nov. 8, 2024
Regulatory
T
cells
(Tregs),
an
essential
component
of
the
human
immune
system,
are
a
heterogeneous
group
lymphocytes
with
ability
to
suppress
responses
and
maintain
homeostasis.
Recent
evidence
indicates
that
Tregs
may
impair
antitumor
immunity
facilitate
cancer
progression
by
weakening
functions
effector
(Teffs).
Consequently,
targeting
eliminate
them
from
tumor
microenvironments
improve
Teffs'
activity
could
emerge
as
effective
strategy
for
immunotherapy.
This
review
outlines
biology
Tregs,
detailing
their
origins,
classification,
crucial
markers.
Our
focus
lies
on
complex
role
in
cancer's
development,
treatment,
particularly
suppressive
upon
via
multiple
mechanisms.
We
delve
into
Tregs'
involvement
checkpoint
blockade
(ICB)
therapy,
dual
effect
immunotherapy
potential
biomarkers
ICB
therapy
effectiveness.
also
summarize
advances
therapies
adjust
optimize
which
be
devising
innovative
treatment
strategies.
Biology,
Journal Year:
2024,
Volume and Issue:
13(5), P. 307 - 307
Published: April 28, 2024
Cancer
immune
evasion
represents
a
leading
hallmark
of
cancer,
posing
significant
obstacle
to
the
development
successful
anticancer
therapies.
However,
landscape
cancer
treatment
has
significantly
evolved,
transitioning
into
era
immunotherapy
from
conventional
methods
such
as
surgical
resection,
radiotherapy,
chemotherapy,
and
targeted
drug
therapy.
Immunotherapy
emerged
pivotal
component
in
treatment,
harnessing
body’s
system
combat
offering
improved
prognostic
outcomes
for
numerous
patients.
The
remarkable
success
spurred
efforts
enhance
clinical
efficacy
existing
agents
strategies.
Several
immunotherapeutic
approaches
have
received
approval
treatments,
while
others
are
currently
preclinical
trials.
This
review
explores
recent
progress
unraveling
mechanisms
evaluates
effectiveness
diverse
strategies,
including
vaccines,
adoptive
cell
therapy,
antibody-based
treatments.
It
encompasses
both
established
treatments
those
under
investigation,
providing
comprehensive
overview
through
immunological
approaches.
Additionally,
article
emphasizes
current
developments,
limitations,
challenges
immunotherapy.
Furthermore,
by
integrating
analyses
resistance
exploring
combination
strategies
personalized
approaches,
it
offers
valuable
insights
crucial
novel
Future Oncology,
Journal Year:
2024,
Volume and Issue:
20(28), P. 2049 - 2057
Published: June 10, 2024
Atezolizumab
plus
bevacizumab
is
a
standard
of
care,
first-line
therapy
for
advanced
hepatocellular
carcinoma
(HCC).
Myeloid
and
T
regulatory
cells
are
key
immunosuppressive
cell
types
within
the
hepatic
tumor
microenvironment
associated
with
clinical
resistance
to
atezolizumab
HCC
overall
poor
prognosis.
Therapeutic
targeting
TIGIT,
which
highly
expressed
in
these
cells,
tiragolumab
may
overcome
environment
improve
benefit,
hypothesis
supported
by
positive
efficacy
signals
Phase
Ib/II
MORPHEUS-Liver
study.
This
paper
describes
rationale
design
IMbrave152/SKYSCRAPER-14,
randomized,
double-blind,
placebo-controlled
III
study
comparing
or
placebo
patients
no
prior
systemic
treatment.