Pharmacological Research,
Год журнала:
2024,
Номер
208, С. 107355 - 107355
Опубликована: Авг. 22, 2024
The
activating
transcription
factor
(ATF)/
cAMP-response
element
binding
protein
(CREB)
family
represents
a
large
group
of
basic
zone
leucine
zip
(bZIP)
factors
(TFs)
with
variety
physiological
functions,
such
as
endoplasmic
reticulum
(ER)
stress,
amino
acid
heat
oxidative
integrated
stress
response
(ISR)
and
thus
inducing
cell
survival
or
apoptosis.
Interestingly,
ATF
has
been
increasingly
implicated
in
autophagy
ferroptosis
recent
years.
Thus,
the
is
important
for
homeostasis
its
dysregulation
may
promote
disease
progression
including
cancer.
Current
therapeutic
approaches
to
modulate
include
direct
modulators,
upstream
post-translational
modifications
(PTMs)
modulators.
This
review
summarizes
structural
domain
PTMs
feature
ATF/CREB
comprehensively
explores
molecular
regulatory
mechanisms.
On
this
basis,
their
pathways
affecting
proliferation,
metastasis,
drug
resistance
various
types
cancer
cells
are
sorted
out
discussed.
We
then
systematically
summarize
status
applications
existing
modulators
finally
look
forward
future
prospect
clinical
treatment
tumors
by
modulating
family.
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
480, С. 136100 - 136100
Опубликована: Окт. 11, 2024
Ingested
microplastics
(MPs)
can
accumulate
throughout
whole
body,
which
may
induce
the
dysfunction
of
immune
system.
However,
it
remains
unclear
how
MP
exposure
affects
innate
responses
at
cellular
level.
We
found
that
mouse
neutrophils
strongly
bind
and
then
engulf
polystyrene
MPs.
This
interaction
leads
to
proinflammatory
state
eventually
results
in
apoptotic
cell
death
through
toll-like
receptor
signaling
pathway
a
bacteria-recognition
mimetic
manner.
Moreover,
our
data
verified
orally
administered
MPs
reach
various
organs
mice,
where
they
are
interacted
with
endocytosed
by
neutrophils.
confirmed
human
also
internalize
Additionally,
RNA
sequencing
analysis
MPs-exposed
showed
upregulation
death-related
function.
Therefore,
accumulated
exacerbate
inflammatory
response
disrupting
neutrophil
These
provide
novel
insight
into
adverse
induced
exposure.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 27, 2023
Zika
virus
(ZIKV)
is
a
re-emerging
mosquito-borne
flavivirus
that
can
have
devastating
health
consequences.
The
developmental
and
neurological
effects
from
ZIKV
infection
arise
in
part
the
triggering
cellular
stress
pathways
perturbing
transcriptional
programs.
To
date,
underlying
mechanisms
of
control
directing
viral
restriction
virus-host
interaction
are
understudied.
Activating
Transcription
Factor
3
(ATF3)
stress-induced
effector
modulates
expression
genes
involved
myriad
processes,
including
inflammation
antiviral
responses,
to
restore
homeostasis.
While
ATF3
known
be
upregulated
during
infection,
mode
by
which
activated
specific
role
unknown.
In
this
study,
we
show
via
inhibitor
RNA
interference
approaches
initiates
integrated
response
pathway
activate
ATF4
turn
induces
expression.
Additionally,
using
CRISPR-Cas9
system
delete
ATF3,
found
acts
limit
gene
A549
cells.
We
also
determined
enhances
such
as
STAT1
other
components
innate
immunity
induce
an
ATF3-dependent
anti-ZIKV
response.
Our
study
reveals
crosstalk
between
immune
highlights
important
for
establishing
effect
infection.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 25, 2024
Zika
virus
(ZIKV),
a
re-emerging
flavivirus,
is
associated
with
devasting
developmental
and
neurological
disease
outcomes
particularly
in
infants
infected
PARK7,
also
known
as
DJ-1,
plays
a
critical
role
in
protecting
cells
by
functioning
sensitive
oxidation
sensor
and
modulator
of
antioxidants.
DJ-1
acts
to
maintain
mitochondrial
function
regulate
transcription
response
different
stressors.
In
this
study,
we
showed
that
cell
lines
vary
based
on
their
antioxidation
potential
at
basal
conditions.
The
transcriptome
HEK293
was
tested
following
knockdown
(KD)
using
siRNAs
which
reduced
the
transcripts
only
12%
original
level.
We
compared
expression
levels
14k
protein-coding
transcripts,
4.2k
non-coding
RNAs
relative
control
treated
with
non-specific
siRNAs.
Among
coding
genes,
~200
upregulated
differentially
expressed
genes
(DEGs)
signified
coordinated
antiviral
innate
immune
response.
Most
were
associated
regulation
type
1
interferons
(IFN)
induction
inflammatory
cytokines.
About
quarter
these
induced
used
negative
control.
Beyond
response,
114
specific
KD
enrichment
RNA
metabolism
functions.
A
smaller
set
downregulated
(58
genes)
dysregulation
membrane
structure,
viability,
mitophagy.
propose
diminish
its
protective
potency
against
oxidative
stress,
rendering
labile
responsive
dsRNA
signal
activation
large
number
many
drive
apoptosis,
death,
signatures.
highlights
crucial
regulating
responses,
metabolism,
functions,
apparently
through
alteration
STAT
activity
downstream
signaling.
Given
is
highly
metastatic
cancers,
targeting
could
be
promising
therapeutic
strategy
where
manipulation
may
reduce
cancer
viability
enhance
efficacy
treatments.
Pharmacological Research,
Год журнала:
2024,
Номер
208, С. 107355 - 107355
Опубликована: Авг. 22, 2024
The
activating
transcription
factor
(ATF)/
cAMP-response
element
binding
protein
(CREB)
family
represents
a
large
group
of
basic
zone
leucine
zip
(bZIP)
factors
(TFs)
with
variety
physiological
functions,
such
as
endoplasmic
reticulum
(ER)
stress,
amino
acid
heat
oxidative
integrated
stress
response
(ISR)
and
thus
inducing
cell
survival
or
apoptosis.
Interestingly,
ATF
has
been
increasingly
implicated
in
autophagy
ferroptosis
recent
years.
Thus,
the
is
important
for
homeostasis
its
dysregulation
may
promote
disease
progression
including
cancer.
Current
therapeutic
approaches
to
modulate
include
direct
modulators,
upstream
post-translational
modifications
(PTMs)
modulators.
This
review
summarizes
structural
domain
PTMs
feature
ATF/CREB
comprehensively
explores
molecular
regulatory
mechanisms.
On
this
basis,
their
pathways
affecting
proliferation,
metastasis,
drug
resistance
various
types
cancer
cells
are
sorted
out
discussed.
We
then
systematically
summarize
status
applications
existing
modulators
finally
look
forward
future
prospect
clinical
treatment
tumors
by
modulating
family.