Advanced Materials,
Год журнала:
2023,
Номер
36(9)
Опубликована: Дек. 8, 2023
Immunotherapy
using
an
immune-checkpoint
blockade
has
significantly
improved
its
therapeutic
effects.
CM-272,
which
is
a
novel
epigenetic
inhibitor
of
G9a,
induces
immunogenic
cell
death
(ICD)
for
recovering
the
sensitivity
to
anti-PD-1
antibodies;
however,
efficacy
CM-272
greatly
limited
by
promoting
transcription
activity
HIF-1α
form
hypoxic
environment.
Here,
Fe
Signal Transduction and Targeted Therapy,
Год журнала:
2022,
Номер
7(1)
Опубликована: Сен. 22, 2022
RNA
modifications
have
become
hot
topics
recently.
By
influencing
processes,
including
generation,
transportation,
function,
and
metabolization,
they
act
as
critical
regulators
of
cell
biology.
The
immune
abnormality
in
human
diseases
is
also
a
research
focus
progressing
rapidly
these
years.
Studies
demonstrated
that
participate
the
multiple
biological
processes
cells,
development,
differentiation,
activation,
migration,
polarization,
thereby
modulating
responses
are
involved
some
related
diseases.
In
this
review,
we
present
existing
knowledge
functions
underlying
mechanisms
modifications,
N6-methyladenosine
(m6A),
5-methylcytosine
(m5C),
N1-methyladenosine
(m1A),
N7-methylguanosine
(m7G),
N4-acetylcytosine
(ac4C),
pseudouridine
(Ψ),
uridylation,
adenosine-to-inosine
(A-to-I)
editing,
summarize
their
roles
Via
regulating
can
pathogenesis
diseases,
such
cancers,
infection,
inflammatory
autoimmune
We
further
highlight
challenges
future
directions
based
on
knowledge.
All
all,
review
will
provide
helpful
well
novel
ideas
for
researchers
area.
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Окт. 20, 2023
Abstract
Cuproptosis,
caused
by
excessively
high
copper
concentrations,
is
urgently
exploited
as
a
potential
cancer
therapeutic.
However,
the
mechanisms
underlying
initiation,
propagation,
and
ultimate
execution
of
cuproptosis
in
tumors
remain
unknown.
Here,
we
show
that
content
significantly
elevated
gastric
(GC),
especially
malignant
tumors.
Screening
reveals
METTL16,
an
atypical
methyltransferase,
critical
mediator
through
m
6
A
modification
on
FDX1
mRNA.
Furthermore,
stress
promotes
METTL16
lactylation
at
site
K229
followed
cuproptosis.
The
process
inhibited
SIRT2.
Elevated
improves
therapeutic
efficacy
ionophore–
elesclomol.
Combining
elesclomol
with
AGK2,
SIRT2-specific
inhibitor,
induce
vitro
vivo.
These
results
reveal
significance
non-histone
protein
Given
lactate
concentrations
GC,
induction
becomes
promising
strategy
for
GC.
Cell Death and Disease,
Год журнала:
2023,
Номер
14(2)
Опубликована: Фев. 27, 2023
Abstract
Necroptosis
refers
to
a
regulated
form
of
cell
death
induced
by
variety
stimuli.
Although
it
has
been
implicated
in
the
pathogenesis
many
diseases,
there
is
evidence
support
that
necroptosis
not
purely
detrimental
process.
We
propose
“double-edged
sword”
terms
physiology
and
pathology.
On
one
hand,
can
trigger
an
uncontrolled
inflammatory
cascade
response,
resulting
severe
tissue
injury,
disease
chronicity,
even
tumor
progression.
other
functions
as
host
defense
mechanism,
exerting
antipathogenic
antitumor
effects
through
its
powerful
pro-inflammatory
properties.
Moreover,
plays
important
role
during
both
development
regeneration.
Misestimation
multifaceted
features
may
influence
therapeutic
approaches
targeting
necroptosis.
In
this
review,
we
summarize
current
knowledge
pathways
involved
well
five
steps
determine
occurrence.
The
dual
physiological
pathological
conditions
also
highlighted.
Future
studies
strategies
should
fully
consider
complicated
properties
type
death.
Divergent
N6-methyladenosine
(m6A)
modifications
are
dynamic
and
reversible
posttranscriptional
RNA
that
mediated
by
m6A
regulators
or
methylation
regulators,
i.e.,
methyltransferases
("writers"),
demethylases
("erasers"),
m6A-binding
proteins
("readers").
Aberrant
associated
with
cancer
occurrence,
development,
progression,
prognosis.
Numerous
studies
have
established
aberrant
function
as
either
tumor
suppressors
oncogenes
in
multiple
types.
However,
the
functions
mechanisms
of
remain
largely
elusive
should
be
explored.
Emerging
suggest
can
modulated
epigenetic
modifications,
namely,
ubiquitination,
SUMOylation,
acetylation,
methylation,
phosphorylation,
O-GlcNAcylation,
ISGylation,
lactylation
via
noncoding
action,
cancer.
This
review
summarizes
current
roles
The
for
modification
genesis
segregated.
will
improve
understanding
regulatory
regulators.
Abstract
N6‐methyladenosine
(m
6
A)
modification
orchestrates
cancer
formation
and
progression
by
affecting
the
tumor
microenvironment
(TME).
For
hepatocellular
carcinoma
(HCC),
immune
evasion
angiogenesis
are
characteristic
features
of
its
TME.
The
role
YTH
RNA
binding
protein
2
(YTHDF2),
as
an
m
A
reader,
in
regulating
HCC
TME
not
fully
understood.
Herein,
it
is
discovered
that
trimethylated
histone
H3
lysine
4
27
acetylation
promoter
region
YTHDF2
enhanced
expression
HCC,
upregulated
predicted
a
worse
prognosis.
Animal
experiments
demonstrated
Ythdf2
depletion
inhibited
spontaneous
formation,
while
overexpression
promoted
xenografted
progression.
Mechanistically,
recognized
5′‐untranslational
ETS
variant
transcription
factor
5
(ETV5)
mRNA
recruited
eukaryotic
translation
initiation
3
subunit
B
to
facilitate
translation.
Elevated
ETV5
induced
programmed
death
ligand‐1
vascular
endothelial
growth
A,
thereby
promoting
angiogenesis.
Targeting
via
small
interference
RNA‐containing
aptamer/liposomes
successfully
both
Together,
this
findings
reveal
potential
application
prognosis
targeted
treatment.
Abstract
RNA
modification,
especially
methylation,
is
a
critical
posttranscriptional
process
influencing
cellular
functions
and
disease
progression,
accounting
for
over
60%
of
all
modifications.
It
plays
significant
role
in
metabolism,
affecting
processing,
stability,
translation,
thereby
modulating
gene
expression
cell
essential
proliferation,
survival,
metastasis.
Increasing
studies
have
revealed
the
disruption
metabolism
mediated
by
methylation
has
been
implicated
various
aspects
cancer
particularly
metabolic
reprogramming
immunity.
This
profound
implications
tumor
growth,
metastasis,
therapy
response.
Herein,
we
elucidate
fundamental
characteristics
their
impact
on
expression.
We
highlight
intricate
relationship
between
reprogramming,
immunity,
using
well‐characterized
phenomenon
as
framework
to
discuss
methylation's
specific
roles
mechanisms
progression.
Furthermore,
explore
potential
targeting
regulators
novel
approach
therapy.
By
underscoring
complex
which
contributes
this
review
provides
foundation
developing
new
prognostic
markers
therapeutic
strategies
aimed
at
treatment.
Abstract
Although
immunogenic
cell
death
(ICD)
inducers
evidently
enhance
the
effectiveness
of
immunotherapy,
their
potential
is
increasingly
restricted
by
development
apoptosis
resistance
in
tumor
cells,
poor
immunogenicity,
and
low
T‐cell
immune
responsiveness.
In
this
study,
for
first
time,
piezoelectrically
catalyzed
Mg
2+
‐doped
hydroxyapatite
(Mg‐HAP)
nanoparticles,
which
are
coated
with
a
mesoporous
silica
layer
loaded
ONC201
as
an
agonist
to
specifically
target
receptor
DR5
on
ultimately
developing
Mg‐HAP@MS/ONC201
nanoparticle
(MHMO
NP)
system,
engineered.
Owing
its
excellent
piezoelectric
properties,
MHMO
facilitates
release
significant
amount
reactive
oxygen
species
Ca
within
effectively
promoting
upregulation
expression
inducing
necroptosis
overcome
resistance.
Concurrently,
released
microenvironment
promotes
CD8
+
T
activation
response
antitumor
reaction
induced
ICD.
Using
RNA‐seq
analysis,
it
elucidated
that
can
activate
NF‐κB
pathway
under
catalysis,
thus
M1‐type
macrophage
polarization.
summary,
dual‐targeting
therapy
system
targets
both
cells
catalysis
designed.
This
holds
substantial
advancements
immunotherapy.
Journal of Hematology & Oncology,
Год журнала:
2022,
Номер
15(1)
Опубликована: Июль 6, 2022
Abstract
The
tumor
microenvironment
(TME),
which
is
regulated
by
intrinsic
oncogenic
mechanisms
and
epigenetic
modifications,
has
become
a
research
hotspot
in
recent
years.
Characteristic
features
of
TME
include
hypoxia,
metabolic
dysregulation,
immunosuppression.
One
the
most
common
RNA
N6-methyladenosine
(m
6
A)
methylation,
widely
involved
regulation
physiological
pathological
processes,
including
development.
Compelling
evidence
indicates
that
m
A
methylation
regulates
transcription
protein
expression
through
shearing,
export,
translation,
processing,
thereby
participating
dynamic
evolution
TME.
Specifically,
methylation-mediated
adaptation
to
phenotypic
shift
immune
cells
synergistically
promote
formation
an
immunosuppressive
supports
proliferation
metastasis.
In
this
review,
we
have
focused
on
involvement
tumor-adaptive
described
detailed
linking
change
cell
biological
functions.
view
collective
data,
advocate
treating
as
complete
ecosystem
components
crosstalk
with
each
other
achieve
adaptive
changes.
Finally,
describe
potential
utility
methylation-targeted
therapies
immunotherapy
clinical
applications
challenges
faced,
aim
advancing
research.