Journal of Virology,
Journal Year:
2024,
Volume and Issue:
98(1)
Published: Jan. 3, 2024
ABSTRACT
Epitranscriptomic
RNA
modifications
can
regulate
the
stability
of
mRNA
and
affect
cellular
viral
functions.
The
N4-acetylcytidine
(ac4C)
modification
in
genome
was
recently
found
to
promote
replication;
however,
mechanism
by
which
acetylation
host
regulates
replication
remains
unclear.
To
help
elucidate
this
mechanism,
roles
N-acetyltransferase
10
(NAT10)
ac4C
during
infection
processes
alphavirus,
Sindbis
virus
(SINV),
were
investigated.
Cellular
NAT10
upregulated,
promoted
after
alphavirus
infection,
while
loss
or
inhibition
its
activity
reduced
replication.
enhanced
as
it
helped
maintain
lymphocyte
antigen
six
family
member
E
mRNA,
is
a
multifunctional
interferon-stimulated
gene
that
promotes
thus
have
non-conventional
role
life
cycle
through
regulating
instead
could
be
potential
target
development
new
antivirals.
IMPORTANCE
not
yet
fully
understood.
In
study,
regulation
prototype
SINV
results
increased
levels
increases
level
RNA.
positively
an
activity-dependent
manner.
Mechanistically,
modifies
(LY6E)
mRNA—the
site
within
3′-untranslated
region
(UTR)
LY6E
essential
for
translation
stability.
findings
study
demonstrate
regulated
efficiency
only
5′-UTR
coding
sequence
but
also
via
3′-UTR
region.
impacting
identified,
indicating
when
developing
Molecular Biomedicine,
Journal Year:
2023,
Volume and Issue:
4(1)
Published: Aug. 24, 2023
Abstract
RNA
modifications
are
dynamic
and
reversible
chemical
on
substrate
that
regulated
by
specific
modifying
enzymes.
They
play
important
roles
in
the
regulation
of
many
biological
processes
various
diseases,
such
as
development
cancer
other
diseases.
With
help
advanced
sequencing
technologies,
role
has
caught
increasing
attention
human
diseases
scientific
research.
In
this
review,
we
briefly
summarized
basic
mechanisms
several
common
modifications,
including
m6A,
m5C,
m1A,
m7G,
Ψ,
A-to-I
editing
ac4C.
Importantly,
discussed
their
potential
functions
cancer,
neurological
disorders,
cardiovascular
metabolic
genetic
developmental
well
immune
disorders.
Through
“writing-erasing-reading”
mechanisms,
regulate
stability,
translation,
localization
pivotal
disease-related
mRNAs
to
manipulate
disease
development.
Moreover,
also
highlighted
review
all
currently
available
RNA-modifier-targeting
small
molecular
inhibitors
or
activators,
most
which
designed
against
m6A-related
enzymes,
METTL3,
FTO
ALKBH5.
This
provides
clues
for
clinical
therapy
future
study
directions
modification
field.
More
in-depth
studies
further
activators
needed
a
thorough
understanding
epitranscriptomics
diagnosis,
treatment,
prognosis
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 9, 2024
Abstract
Background
Intracellular
DNA-sensing
pathway
cGAS-STING,
inflammasomes
and
pyroptosis
act
as
critical
natural
immune
signaling
axes
for
microbial
infection,
chronic
inflammation,
cancer
progression
organ
degeneration,
but
the
mechanism
regulation
of
crosstalk
network
remain
unclear.
Main
body
abstract
Cellular
stress
disrupts
mitochondrial
homeostasis,
facilitates
opening
permeability
transition
pore
leakage
DNA
to
cell
membrane,
triggers
inflammatory
responses
by
activating
cGAS-STING
signaling,
subsequently
induces
activation
onset
pyroptosis.
Meanwhile,
inflammasome-associated
protein
caspase-1,
Gasdermin
D,
CARD
domain
ASC
potassium
channel
are
involved
in
regulating
pathway.
Importantly,
this
has
a
cascade
amplification
effect
that
exacerbates
immuno-inflammatory
response,
worsening
pathological
process
autoimmune
diseases.
Given
importance
innate
immunity,
it
is
emerging
new
avenue
explore
mechanisms
multiple
disease
pathogenesis.
Therefore,
efforts
define
strategies
selectively
modulate
different
settings
have
been
or
ongoing.
In
review,
we
will
describe
how
mechanistic
understanding
driving
possible
therapeutics
targeting
network,
focusing
on
interacting
regulatory
proteins,
pathways,
hub
between
inflammasomes,
Short
conclusion
This
review
aims
provide
insight
into
roles
pyroptosis,
highlight
some
promising
directions
future
research
intervention.
Molecular Cancer,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 17, 2025
Drug
resistance
is
a
common
challenge
in
clinical
tumor
treatment.
A
reduction
drug
sensitivity
of
cells
often
accompanied
by
an
increase
autophagy
levels,
leading
to
autophagy-related
resistance.
The
effectiveness
combining
chemotherapy
drugs
with
inducers/inhibitors
has
been
widely
confirmed,
but
the
mechanisms
are
still
unclear.
Ferroptosis
and
pyroptosis
can
be
affected
various
types
autophagy.
Therefore,
ferroptosis
have
crosstalk
via
autophagy,
potentially
switch
cell
death
under
certain
conditions.
As
two
forms
inflammatory
programmed
death,
different
effects
on
inflammation,
cGAS-STING
signaling
pathway
also
involved.
it
plays
important
role
progression
some
chronic
diseases.
This
review
discusses
relationship
between
pyroptosis,
attempts
uncover
reasons
behind
evasion
nature
Cell Death Discovery,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: Aug. 25, 2023
Neutrophil
extracellular
traps
(NETs)
are
involved
in
the
activation
and
dysfunction
of
multiple
overlapping
interacting
pathways,
including
immune
response
to
injury,
inflammation,
coagulation,
which
contribute
pathogenesis
sepsis-induced
acute
lung
injury
(SI-ALI).
However,
how
NETs
mediate
relationship
between
inflammation
coagulation
has
not
been
fully
clarified.
Here,
we
found
that
NETs,
through
stimulator
interferon
genes
(STING)
activation,
induced
endothelial
cell
damage
with
abundant
production
tissue
factor
(TF),
magnified
dysregulation
inflammatory
coagulant
responses
resulted
poor
prognosis
SI-ALI
model
mice.
Disruption
inhibition
STING
improved
outcomes
septic
mice
reduced
coagulation.
Furthermore,
Toll-like
receptor
2
(TLR2)
on
surface
cells
was
interaction
pathway.
Collectively,
these
findings
demonstrate
activate
cascade
a
STING-dependent
manner
development
SI-ALI.
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 17, 2024
Abstract
The
dynamic
changes
of
RNA
N6-methyladenosine
(m
6
A)
during
cancer
progression
participate
in
various
cellular
processes.
However,
less
is
known
about
a
possible
direct
connection
between
upstream
regulator
and
m
A
modification,
therefore
affects
oncogenic
progression.
Here,
we
have
identified
that
key
enzyme
N4-acetylcytidine
(ac4C)
acetylation
NAT10
highly
expressed
human
osteosarcoma
tissues,
its
knockdown
enhanced
contents
significantly
suppressed
cell
growth,
migration
invasion.
Further
results
revealed
silence
inhibits
mRNA
stability
translation
reader
protein
YTHDC1,
displayed
an
increase
glucose
uptake,
decrease
lactate
production
pyruvate
content.
YTHDC1
recognizes
differential
sites
on
enzymes
glycolysis
phosphofructokinase
(PFKM)
dehydrogenase
(LDHA)
mRNAs,
which
suppress
pathway
by
increasing
them
methylation-dependent
manner.
partially
abrogated
the
inhibitory
effect
caused
tumor
models
vivo,
lentiviral
overexpression
restored
reduced
depleting
at
level.
Altogether,
found
ac4C
driven
modification
can
positively
regulate
cells
reveals
previously
unrecognized
signaling
axis
NAT10/ac4C-YTHDC1/m
A-LDHA/PFKM
osteosarcoma.
Journal of Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: June 18, 2024
Abstract
Acute
lung
injury
(
ALI
)
is
a
common
complication
in
patients
with
severe
burns
and
has
complex
pathogenesis
high
morbidity
mortality
rates.
A
variety
of
drugs
have
been
identified
the
clinic
for
treatment
ALI,
but
they
toxic
side
effects
caused
by
easy
degradation
body
distribution
throughout
body.
In
recent
years,
as
understanding
mechanism
underlying
improved,
scholars
developed
new
nanomaterials
that
can
be
safely
effectively
targeted
ALI.
Most
these
methods
involve
such
lipids,
organic
polymers,
peptides,
extracellular
vesicles
or
cell
membranes,
inorganic
nanoparticles
other
nanomaterials,
which
are
to
reach
tissues
perform
their
functions
through
active
targeting
passive
targeting,
process
involves
cells
organelles.
this
review,
first,
mechanisms
pathophysiological
features
occurrence
after
burn
reviewed,
potential
therapeutic
targets
summarized,
existing
classified,
possible
problems
challenges
discussed
provide
reference
development