Acta Neuropathologica Communications,
Год журнала:
2025,
Номер
13(1)
Опубликована: Янв. 27, 2025
Delayed
radiation-induced
brain
injury
(RIBI)
characterized
by
progressive
cognitive
decline
significantly
impacts
patient
outcomes
after
radiotherapy.
The
activation
of
NLRP3
inflammasome
within
microglia
radiation
is
involved
in
the
progression
RIBI
mediating
inflammatory
responses.
We
have
previously
shown
that
sulfonylurea
receptor
1-transient
potential
M4
(SUR1-TRPM4)
mediates
microglial
NLRP3-related
inflammation
following
global
ischemia.
However,
role
SUR1-TRPM4
remains
unclear.
Here,
we
found
whole-brain
induced
up-regulation
and
assembly
SUR1-TRPM4,
which
further
activated
caused
persistent
neuroinflammation
mice.
Blocking
glibenclamide
or
gene
deletion
Trpm4
effectively
prevented
NLRP3-mediated
alleviated
RIBI.
Utilizing
mouse
model
irradiated
BV2
cells,
demonstrated
irradiation
mitochondrial
damage
to
microglia,
leading
violent
release
reactive
oxygen
species
(ROS),
enhanced
transcription
SUR1,
TRPM4,
inflammasome-related
molecules.
Moreover,
ROS
up-regulated
ten-eleven
translocation
2
(TET2)
enhance
TRPM4
expression
demethylation
promoter,
thereby
facilitating
microglia.
In
summary,
this
study
deciphers
crucially
under
action
radiation,
offering
novel
therapeutic
strategies
for
delayed
as
well
other
neurological
disorders
involving
excessive
production.
Annual Review of Immunology,
Год журнала:
2024,
Номер
42(1), С. 455 - 488
Опубликована: Фев. 16, 2024
Ten-eleven
translocation
(TET)
proteins
are
iron-dependent
and
α-ketoglutarate-dependent
dioxygenases
that
sequentially
oxidize
the
methyl
group
of
5-methylcytosine
(5mC)
to
5-hydroxymethylcytosine
(5hmC),
5-formylcytosine
(5fC)
5-carboxylcytosine
(5caC).
All
three
epigenetic
modifications
intermediates
in
DNA
demethylation.
TET
recruited
by
transcription
factors
RNA
polymerase
II
modify
5mC
at
enhancers
gene
bodies,
thereby
regulating
expression
during
development,
cell
lineage
specification,
activation.
It
is
not
yet
clear,
however,
how
established
biochemical
activities
enzymes
oxidizing
mediating
demethylation
relate
known
association
deficiency
with
inflammation,
clonal
hematopoiesis,
cancer.
There
hints
ability
promote
proliferation
a
signal-dependent
manner
may
be
harnessed
for
cancer
immunotherapy.
In
this
review,
we
draw
upon
recent
findings
cells
immune
system
illustrate
as
well
emerging
ideas
influence
cellular
function.
Clinical Epigenetics,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 8, 2024
Abstract
DNA
methylation
is
a
pivotal
epigenetic
modification
that
affects
gene
expression.
Tumor
immune
microenvironment
(TIME)
comprises
diverse
cells
and
stromal
components,
creating
complex
landscape
can
either
promote
or
inhibit
tumor
progression.
In
the
TIME,
has
been
shown
to
play
critical
role
in
influencing
cell
function
evasion.
regulates
differentiation,
responses,
TIME
composition
Targeting
offers
various
potential
avenues
for
enhancing
cytotoxicity
reducing
immunosuppression.
Recent
studies
have
demonstrated
of
patterns
infiltration
function.
However,
challenges
persist
understanding
precise
mechanisms
underlying
developing
selective
therapies,
effectively
integrating
these
therapies
with
other
antitumor
strategies.
conclusion,
both
interacts
thus
clinical
efficacy.
The
regulation
within
holds
significant
promise
advancement
immunotherapy.
Addressing
crucial
harnessing
full
interventions
enhance
responses
improve
patient
outcomes.
Macrophages
orchestrate
tissue
homeostasis
and
immunity.
In
the
tumor
microenvironment
(TME),
macrophage
presence
is
largely
associated
with
poor
prognosis
because
of
their
reprogramming
into
immunosuppressive
cells.
We
investigated
effects
hypoxia,
a
TME-associated
feature,
on
functional,
epigenetic,
transcriptional
macrophages
found
that
hypoxia
boosts
immunogenicity.
Hypoxic
inflammatory
are
characterized
by
cluster
proinflammatory
genes
undergoing
ten-eleven
translocation–mediated
DNA
demethylation
overexpression.
These
regulated
NF-κB,
while
HIF1α
dominates
reprogramming,
demonstrated
through
ChIP-seq
pharmacological
inhibition.
bladder
ovarian
carcinomas,
hypoxic
enriched
in
immune-infiltrated
tumors,
correlating
better
patient
prognoses.
Coculture
assays
cell-cell
communication
analyses
support
hypoxic-activated
enhance
T
cell–mediated
responses.
The
NF-κB–associated
hypomethylation
signature
displayed
subset
macrophages,
isolated
from
tumors.
Our
results
challenge
paradigms
regarding
highlight
actionable
target
cells
to
modulate
anticancer
immune
Acta Pharmaceutica Sinica B,
Год журнала:
2024,
Номер
14(10), С. 4296 - 4311
Опубликована: Июнь 26, 2024
G
protein-coupled
receptors
(GPCRs)
are
pivotal
in
mediating
diverse
physiological
and
pathological
processes,
rendering
them
promising
targets
for
drug
discovery.
GPCRs
account
about
40%
of
FDA-approved
drugs,
representing
the
most
successful
targets.
However,
only
approximately
15%
800
human
targeted
by
market
leaving
numerous
opportunities
discovery
among
remaining
receptors.
Cell
expression
systems
play
crucial
roles
GPCR
field,
including
novel
target
identification,
structural
functional
characterization,
potential
ligand
screening,
signal
pathway
elucidation,
safety
evaluation.
Here,
we
discuss
principles,
applications,
limitations
widely
used
cell
GPCR-targeted
discovery,
function
investigation,
pharmacological
property
studies.
We
also
propose
three
strategies
constructing
genome-wide
pan-GPCR
libraries,
which
will
provide
a
powerful
platform
facilitate
study
mechanisms
evaluation,
ultimately
accelerating
process
Genes & Diseases,
Год журнала:
2024,
Номер
12(3), С. 101374 - 101374
Опубликована: Июль 11, 2024
With
the
rapid
advancements
in
second-generation
gene
sequencing
technologies,
a
growing
number
of
driver
genes
and
associated
therapeutic
targets
have
been
unveiled
for
lung
adenocarcinoma
(LUAD)
squamous
cell
carcinoma
(LUSC).
While
they
are
clinically
classified
as
non-small
cancer
(NSCLC),
display
distinct
genomic
features
substantial
variations
clinical
efficacy,
underscoring
need
particular
attention.
Hence,
this
review
provides
comprehensive
overview
latest
genes,
epigenetic
targets,
chemotherapy,
targeted
therapy,
immunotherapy
LUAD
LUSC.
Additionally,
it
delves
into
distinctions
signaling
pathways
pivotal
facets
management
specific
to
these
two
categories
cancer.
Moreover,
we
furnish
pertinent
details
regarding
trials
pertaining
epigenetics,
thus
establishing
theoretical
foundation
realization
precision
treatments
Frontiers in Immunology,
Год журнала:
2024,
Номер
15
Опубликована: Июль 31, 2024
Regulatory
T
cells
(Tregs),
characterized
by
the
expression
of
Forkhead
Box
P3
(FOXP3),
constitute
a
distinct
subset
crucial
for
immune
regulation.
Tregs
can
exert
direct
and
indirect
control
over
homeostasis
releasing
inhibitory
factors
or
differentiating
into
Th-like
Treg
(Th-Treg),
thereby
actively
contributing
to
prevention
treatment
autoimmune
diseases.
The
epigenetic
regulation