Clinical Epigenetics,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: March 21, 2025
Immunotherapy,
particularly
immune
checkpoint
inhibitor
therapy,
has
demonstrated
clinical
benefits
in
solid
tumours.
Despite
its
satisfactory
efficacy,
it
still
faces
several
issues,
such
as
limited
eligibility,
low
response
rates
and
cytotoxicity.
Cancer
epigenetics
implies
that
tumour
cells
exhibit
unique
phenotypes
because
of
their
characteristics,
thus
reprogramming
the
epigenome
holds
promise
for
cancer
therapy.
Epigenetic
regulation
plays
an
important
role
regulating
gene
expression
during
development
maintenance.
regulators
induce
cell
cycle
arrest,
apoptosis
differentiation
cells,
thereby
exerting
anti-tumour
effects.
Recent
studies
have
revealed
a
significant
correlation
between
epigenetic
regulatory
factors
Epigenetics
can
modulate
various
aspects
microenvironment
to
enhance
sensitivity
immunotherapy,
lowering
concentration
required
mitigating
This
review
primarily
discusses
DNA
methyltransferase
inhibitors,
histone
deacetylase
enhancer
zeste
homolog
2
inhibitors
lysine-specific
demethylase
1
which
are
associated
with
transcriptional
repression.
repression
alters
genes
involved
checkpoint,
enhancing
effectiveness
immunotherapy.
We
also
discuss
potential
challenges
immunotherapy
highlight
advantages,
application
research
on
integrating
Therapeutic Advances in Vaccines and Immunotherapy,
Journal Year:
2023,
Volume and Issue:
11
Published: Jan. 1, 2023
Checkpoint
markers
and
immune
checkpoint
inhibitors
have
been
increasingly
identified
developed
as
potential
immunotherapeutic
targets
in
various
human
cancers.
Despite
valuable
efforts
to
discover
novel
checkpoints
their
ligands,
the
precise
roles
of
therapeutic
functions,
well
broad
identification
counterpart
receptors,
remain
be
addressed.
In
this
context,
it
has
suggested
that
putative
receptors
can
induced
upon
activation.
tumor
microenvironment,
T
cells,
crucial
response
against
malignant
diseases
other
central
effector
such
natural
killer
are
regulated
via
co-stimulatory
or
co-inhibitory
signals
from
cells.
Studies
shown
exposure
cells
antigens
upregulates
expression
inhibitory
leading
T-cell
dysfunction
exhaustion.
Although
targeting
regulators
relative
clinical
efficacy
some
types,
most
trials
field
cancer
immunotherapies
revealed
unsatisfactory
results
due
de
novo
adaptive
resistance
patients.
To
overcome
these
obstacles,
combinational
therapies
with
newly
discovered
molecules
combined
blockage
several
provide
a
rationale
for
further
research.
Moreover,
counterparts
at
is
likely
promise
effective
therapies.
review,
we
examine
prospects
application
emerging
checkpoints,
immunoglobulin
mucin
domain
3,
lymphocyte
activation
gene-3,
immunoreceptor
Ig
ITIM
domains
(TIGIT),
V-domain
suppressor
(VISTA),
new
B7
family
proteins,
B-
attenuator,
association
immunotherapy
malignancies.
addition,
biological
significance
discussed,
including
cancers,
along
T-cell-mediated
responses.
Cancers,
Journal Year:
2021,
Volume and Issue:
13(8), P. 1766 - 1766
Published: April 7, 2021
Chronic
lymphocytic
leukemia
(CLL)
is
characterized
by
progressive
immunosuppression
and
diminished
cancer
immunosurveillance.
Immune
checkpoint
blockade
(ICB)-based
therapies,
a
major
breakthrough
against
cancer,
have
emerged
as
powerful
tool
to
reinvigorate
antitumor
responses.
Herein,
we
analyzed
the
role
of
novel
inhibitory
BTLA
its
ligand,
HVEM,
in
regulation
leukemic
natural
killer
(NK)
cells
CLL.
Flow
cytometry
analyses
showed
that
expression
upregulated
on
NK
from
patients
with
CLL,
whereas
HVEM
downregulated
only
cells,
especially
advanced
Rai-Binet
stage.
In
silico
analysis
revealed
increased
but
not
BTLA,
mRNA
correlated
overall
survival.
Further,
soluble
(sBTLA)
was
found
be
sera
CLL
highly
poor
prognostic
markers
shorter
time
treatment.
an
anti-BTLA
monoclonal
antibody
depleted
boosted
cell-mediated
responses
ex
vivo
increasing
their
IFN-γ
production,
cytotoxic
capability,
antibody-dependent
cytotoxicity
(ADCC).
agreement
surface
associated
outcome
Overall,
this
study
first
bring
light
BTLA/HVEM
suppression
immune
impact
patient’s
prognosis,
suggesting
axis
may
potential
therapeutic
target
disease.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: March 3, 2022
5-Methylcytosine
(m5C)
methylation
is
an
important
RNA
modification
pattern
that
can
participate
in
oncogenesis
and
progression
of
cancers
by
affecting
stability,
expression
oncogenes,
the
activity
cancer
signaling
pathways.
Alterations
long
non-coding
RNAs
(lncRNAs)
are
potentially
correlated
with
abnormalities
m5C
regulation
features
cancers.
Our
aim
was
to
reveal
mechanisms
which
lncRNAs
regulated
process,
explore
impact
aberrant
on
biological
properties
lower-grade
gliomas
(LGG),
optimize
current
therapeutic.
By
searching
1017
LGG
samples
from
Cancer
Genome
Atlas
Chinese
Glioma
Atlas,
we
first
clarified
potential
regulators
prognosis
this
study
used
univariate
Cox
analysis
least
absolute
shrinkage
selection
operator
regression
clinically
meaningful
lncRNAs.
Consequently,
identified
four
lncRNAs,
including
LINC00265,
CIRBP-AS1,
GDNF-AS1,
ZBTB20-AS4,
established
a
novel
m5C-related
signature
(m5CrLS)
effective
predicting
prognosis.
Notably,
mutation
rate,
WHO
class
II,
IDH
mutation,
1p/19q
co-deletion
MGMT
promoter
were
increased
low
m5CrLS
score
group.
Patients
scores
mostly
showed
activation
tumor
malignancy-related
pathways,
immune
infiltrating
cells,
decreased
anti-tumor
function.
Besides,
relatively
high
checkpoints
also
revealed
immunosuppressed
state
patients
scores.
In
particular,
stratification
sensitive
assess
efficacy
temozolomide
responsiveness
checkpoint
blockade.
conclusion,
our
results
molecular
basis
LGG,
provided
valuable
clues
for
understanding
filled
gap
between
epigenetics
microenvironment.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: March 31, 2022
Coronavirus
disease
2019
(COVID-19)
is
caused
by
SARS-CoV-2.
During
T-cell
activation,
the
immune
system
uses
different
checkpoint
pathways
to
maintain
co-inhibitory
and
co-stimulatory
signals.
In
COVID-19,
expression
of
checkpoints
(ICs)
one
most
important
manifestations,
in
addition
lymphopenia
inflammatory
cytokines,
contributing
worse
clinical
outcomes.
There
a
controversy
whether
upregulation
ICs
COVID-19
patients
might
lead
exhaustion
or
activation.
This
review
summarizes
available
studies
that
investigated
IC
receptors
ligands
patients,
as
well
their
effect
on
function.
Several
ligands,
including
CTLA-4,
BTLA,
TIM-3,
VISTA,
LAG-3,
TIGIT,
PD-1,
CD160,
2B4,
NKG2A,
Galectin-9,
Galectin-3,
PD-L1,
PD-L2,
LSECtin,
CD112,
were
upregulated
patients.
Based
studies,
there
possible
relationship
between
severity
increased
ligands.
Overall,
some
could
be
used
prognostic
biomarker
for
severity.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11825 - 11825
Published: Nov. 4, 2024
The
tumor
microenvironment
(TME)
is
a
complex
and
heterogeneous
tissue
composed
of
various
cell
types,
including
cells,
stromal
immune
as
well
non-cellular
elements.
Given
their
pivotal
role
in
humoral
immunity,
B
cells
have
emerged
promising
targets
for
anti-tumor
therapies.
dual
nature
exhibiting
both
tumor-suppressive
tumor-promoting
functions,
has
garnered
significant
attention.
Understanding
the
distinct
effects
subsets
on
different
tumors
could
pave
way
novel
targeted
This
review
provides
comprehensive
overview
multifaceted
roles
tumorigenesis,
therapeutic
potential
targeting
cancer
treatment.
To
develop
more
effective
immunotherapies,
it
essential
to
decipher
heterogeneity
shaping
TME.
Clinical and Translational Medicine,
Journal Year:
2024,
Volume and Issue:
14(7)
Published: July 1, 2024
Abstract
Background
and
main
body
The
anti‐tumour
tumour‐promoting
roles
of
B
cells
in
the
tumour
microenvironment
(TME)
have
gained
considerable
attention
recent
years.
As
essential
orchestrators
humoral
immunity,
potentially
play
a
crucial
role
therapies.
Chemotherapy,
mainstay
cancer
treatment,
influences
proliferation
function
diverse
B‐cell
subsets
their
crosstalk
with
TME.
Modulating
by
targeting
or
associated
may
enhance
chemotherapy
efficacy,
presenting
promising
avenue
for
future
targeted
therapy
investigations.
Conclusion
This
review
explores
intricate
interplay
between
cells,
underscoring
pivotal
treatment.
We
summarise
B‐cell‐related
therapeutic
targets,
illustrating
immense
potential
therapy.
Our
work
lays
theoretical
foundation
harnessing
combination
strategies
Key
points
Chemotherapy
can
inhibit
alter
subset
distributions
functions,
including
factor
secretion,
receptor
signalling,
costimulation.
modulate
complex
B‐cell–T‐cell
interactions
variable
effects
on
immunity.
Targeting
surface
markers
signalling
improves
responses,
blocks
immune
evasion
inhibits
growth.
Critical
knowledge
gaps
remain
regarding
TME,
chemoresistance
mechanisms,
TLS
biology,
heterogeneity,
spatial
distributions,
drug
selection
targets
that
studies
should
address.
Frontiers in Molecular Biosciences,
Journal Year:
2020,
Volume and Issue:
7
Published: July 21, 2020
B
and
T
lymphocyte
attenuator
(BTLA)
is
a
co-signaling
protein
belonging
to
the
CD28
immunoglobulin
superfamily.
However,
role
of
BTLA
in
prognosis
immunotherapy
colorectal
cancer
(CRC)
remains
unclear.
We
evaluated
expression
via
Oncomine
genome
atlas
(TCGA)
database.
research
outcome
among
different
patients
by
Kaplan-Meier
curve.
used
Chi-Squared
test
Cox
regression
analysis
identify
potential
risk
factors.
Besides,
correlations
between
immune
infiltration
were
investigated
CIBERSORT.
Various
cohorts
showed
that
was
lower
CRC
compared
corresponding
normal
tissue.
Moreover,
low
correlated
with
poor
overall
survival
TCGA
Gene
Expression
Omnibus
(GSE29623
GSE17536).
Low
associated
less
lymph
node
metastasis
(p
=
0.0123).
In
proportional
hazards
model,
identified
as
favorable
prognostic
factor.
Naive
cells,
memory
CD8
CD4
resting
follicular
helper
(Tfh)
monocytes,
natural
killing
(NK)
M0
macrophages,
M1
mast
activated
cells
affected
(all
p
<
0.01).
Correlated
markers
functional
enrichment
revealed
functioned
cell
receptor
signaling
pathway,
NK
cell-mediated
cytotoxicity
pathway.
These
analyses
suggest
factor
for
extended
closely
related
Tfh
CRC.
summarize
these
results
can
be
biomarker
might
contribute
developing
novel
immunological
treatment
strategies.