Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: Jan. 6, 2023
Abstract
Recent
advances
in
neoantigen
research
have
accelerated
the
development
and
regulatory
approval
of
tumor
immunotherapies,
including
cancer
vaccines,
adoptive
cell
therapy
antibody-based
therapies,
especially
for
solid
tumors.
Neoantigens
are
newly
formed
antigens
generated
by
cells
as
a
result
various
tumor-specific
alterations,
such
genomic
mutation,
dysregulated
RNA
splicing,
disordered
post-translational
modification,
integrated
viral
open
reading
frames.
recognized
non-self
trigger
an
immune
response
that
is
not
subject
to
central
peripheral
tolerance.
The
quick
identification
prediction
neoantigens
been
made
possible
advanced
next-generation
sequencing
bioinformatic
technologies.
Compared
tumor-associated
antigens,
highly
immunogenic
provide
emerging
targets
personalized
serve
prospective
predictors
survival
prognosis
checkpoint
blockade
responses.
therapies
will
be
aided
understanding
mechanism
underlying
neoantigen-induced
anti-tumor
streamlining
process
neoantigen-based
immunotherapies.
This
review
provides
overview
on
characterization
outlines
clinical
applications
immunotherapeutic
strategies
based
neoantigens.
We
also
explore
their
current
status,
inherent
challenges,
translation
potential.
Molecular Cancer,
Journal Year:
2020,
Volume and Issue:
19(1)
Published: March 12, 2020
The
epigenetic
regulation
of
immune
response
has
been
demonstrated
in
recent
studies.
Nonetheless,
potential
roles
RNA
N6-methyladenosine
(m6A)
modification
tumor
microenvironment
(TME)
cell
infiltration
remain
unknown.We
comprehensively
evaluated
the
m6A
patterns
1938
gastric
cancer
samples
based
on
21
regulators,
and
systematically
correlated
these
with
TME
cell-infiltrating
characteristics.
m6Ascore
was
constructed
to
quantify
individual
tumors
using
principal
component
analysis
algorithms.Three
distinct
were
determined.
characteristics
under
three
highly
consistent
phenotypes
including
immune-excluded,
immune-inflamed
immune-desert
phenotypes.
We
evaluation
within
could
predict
stages
inflammation,
subtypes,
stromal
activity,
genetic
variation,
patient
prognosis.
Low
m6Ascore,
characterized
by
increased
mutation
burden
activation
immunity,
indicated
an
inflamed
phenotype,
69.4%
5-year
survival.
Activation
stroma
lack
effective
observed
high
subtype,
indicating
a
non-inflamed
immune-exclusion
poorer
also
linked
neoantigen
load
enhanced
anti-PD-1/L1
immunotherapy.
Two
immunotherapy
cohorts
confirmed
patients
lower
significant
therapeutic
advantages
clinical
benefits.This
work
revealed
played
nonnegligible
role
formation
diversity
complexity.
Evaluating
pattern
will
contribute
enhancing
our
cognition
characterization
guiding
more
strategies.
Cancer Cell,
Journal Year:
2019,
Volume and Issue:
35(4), P. 588 - 602.e10
Published: March 28, 2019
The
roles
of
tumor-associated
macrophages
(TAMs)
and
circulating
monocytes
in
human
cancer
are
poorly
understood.
Here,
we
show
that
monocyte
subpopulation
distribution
transcriptomes
significantly
altered
by
the
presence
endometrial
breast
cancer.
Furthermore,
TAMs
from
cancers
transcriptionally
distinct
their
respective
tissue-resident
macrophages.
We
identified
a
TAM
signature
is
highly
enriched
aggressive
subtypes
associated
with
shorter
disease-specific
survival.
also
an
auto-regulatory
loop
between
cells
driven
tumor
necrosis
factor
alpha
involving
SIGLEC1
CCL8,
which
self-reinforcing
through
production
CSF1.
Together
these
data
provide
direct
evidence
macrophage
transcriptional
landscapes
perturbed
cancer,
reflecting
patient
outcomes.
Frontiers in Immunology,
Journal Year:
2021,
Volume and Issue:
12
Published: July 2, 2021
Recent
advances
in
next-generation
sequencing
(NGS)
technologies
have
triggered
the
rapid
accumulation
of
publicly
available
multi-omics
datasets.
The
application
integrated
omics
to
explore
robust
signatures
for
clinical
translation
is
increasingly
emphasized,
and
this
attributed
success
immune
checkpoint
blockades
diverse
malignancies.
However,
effective
tools
comprehensively
interpreting
data
are
still
warranted
provide
increased
granularity
into
intrinsic
mechanism
oncogenesis
immunotherapeutic
sensitivity.
Therefore,
we
developed
a
computational
tool
Immuno-Oncology
Biological
Research
(IOBR),
providing
comprehensive
investigation
estimation
reported
or
user-built
signatures,
TME
deconvolution,
signature
construction
based
on
data.
Notably,
IOBR
offers
batch
analyses
these
their
correlations
with
phenotypes,
long
non-coding
RNA
(lncRNA)
profiling,
genomic
characteristics,
generated
from
single-cell
(scRNA-seq)
different
cancer
settings.
Additionally,
integrates
multiple
existing
microenvironmental
deconvolution
methodologies
convenient
comparison
selection.
Collectively,
user-friendly
leveraging
facilitate
immuno-oncology
exploration
unveil
tumor-immune
interactions
accelerating
precision
immunotherapy.
JAMA Oncology,
Journal Year:
2019,
Volume and Issue:
5(8), P. 1195 - 1195
Published: July 18, 2019
Importance
PD-L1
(programmed
cell
death
ligand
1)
immunohistochemistry
(IHC),
tumor
mutational
burden
(TMB),
gene
expression
profiling
(GEP),
and
multiplex
immunohistochemistry/immunofluorescence
(mIHC/IF)
assays
have
been
used
to
assess
pretreatment
tissue
predict
response
anti–PD-1/PD-L1
therapies.
However,
the
relative
diagnostic
performance
of
these
modalities
has
yet
be
established.
Objective
To
compare
studies
that
assessed
accuracy
IHC,
TMB,
GEP,
mIHC/IF
in
predicting
therapy.
Evidence
Review
A
search
PubMed
(from
inception
June
2018)
2013
2018
annual
meeting
abstracts
from
American
Association
for
Cancer
Research,
Society
Clinical
Oncology,
European
Medical
Immunotherapy
was
conducted
identify
examined
use
determine
objective
For
only
clinical
trials
resulted
US
Food
Drug
Administration
approval
indications
were
included.
Studies
combining
more
than
1
modality
also
Preferred
Reporting
Items
Systematic
Reviews
Meta-analysis
guidelines
followed.
Two
reviewers
independently
extracted
outcomes
test
results
each
individual
study.
Main
Outcomes
Measures
Summary
receiver
operating
characteristic
(sROC)
curves;
their
associated
area
under
curve
(AUC);
pooled
sensitivity,
specificity,
positive
negative
predictive
values
(PPV,
NPV),
likelihood
ratios
(LR+
LR−)
assay
modality.
Results
Tumor
specimens
representing
over
10
different
solid
types
8135
patients
assayed,
correlated
with
response.
When
evaluated
sROC
curves,
had
a
significantly
higher
AUC
(0.79)
compared
IHC
(AUC,
0.65,P
<
.001),
GEP
=
.003),
TMB
0.69,P
.049).
multiple
combined
such
as
and/or
+
drew
nearer
(0.74).
All
demonstrated
comparable
NPV
LR−,
whereas
PPV
(0.63)
LR+
(2.86)
other
approaches.
Conclusions
Relevance
In
this
meta-analysis,
burden,
AUCs
treatment.
Multiplex
immunohistochemistry/IF
multimodality
biomarker
strategies
appear
improved
or
alone.
Further
composite
approaches
larger
number
will
required
confirm
findings.
Additional
study
is
most
analyte
combinations
whether
varies
by
type.