The FASEB Journal,
Journal Year:
2024,
Volume and Issue:
38(4)
Published: Feb. 9, 2024
Abstract
Liver
transplantation
(LT)
is
the
only
effective
method
to
treat
end‐stage
liver
disease.
Hepatic
ischemia‐reperfusion
injury
(IRI)
continues
limit
prognosis
of
patients
receiving
LT.
Histone
deacetylase
6
(HDAC6)
a
unique
HDAC
member
involved
in
inflammation
and
apoptosis.
However,
its
role
mechanism
hepatic
IRI
have
not
yet
been
reported.
We
examined
HDAC6
levels
tissue
from
LT
patients,
mice
challenged
with
IRI,
hepatocytes
subjected
hypoxia/reoxygenation
(H/R).
In
addition,
global‐knockout
(HDAC6‐KO)
mice,
adeno‐associated
virus‐mediated
liver‐specific
overexpressing
(HDAC6‐LTG)
their
corresponding
controls
were
used
construct
models.
histology,
inflammatory
responses,
apoptosis
detected
assess
injury.
The
molecular
mechanisms
explored
vivo
vitro.
Moreover,
HDAC6‐selective
inhibitor
tubastatin
A
was
detect
therapeutic
effect
on
IRI.
Together,
our
results
showed
that
expression
significantly
upregulated
I/R
surgery,
by
(H/R)
treatment.
Compared
control
deficiency
mitigated
inhibiting
responses
apoptosis,
whereas
HDAC6‐LTG
displayed
opposite
phenotype.
Further
experiments
show
bound
deacetylated
AKT
improved
activating
PI3K/AKT/mTOR
signaling.
conclusion,
key
mediator
functions
promote
via
Targeting
inhibition
may
be
promising
approach
attenuate
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: Dec. 10, 2023
Abstract
Ferroptosis,
a
unique
modality
of
cell
death
with
mechanistic
and
morphological
differences
from
other
modes,
plays
pivotal
role
in
regulating
tumorigenesis
offers
new
opportunity
for
modulating
anticancer
drug
resistance.
Aberrant
epigenetic
modifications
posttranslational
(PTMs)
promote
resistance,
cancer
progression,
metastasis.
Accumulating
studies
indicate
that
can
transcriptionally
translationally
determine
vulnerability
to
ferroptosis
functions
as
driver
nervous
system
diseases
(NSDs),
cardiovascular
(CVDs),
liver
diseases,
lung
kidney
diseases.
In
this
review,
we
first
summarize
the
core
molecular
mechanisms
ferroptosis.
Then,
roles
processes,
including
histone
PTMs,
DNA
methylation,
noncoding
RNA
regulation
such
phosphorylation,
ubiquitination,
SUMOylation,
acetylation,
ADP-ribosylation,
are
concisely
discussed.
The
PTMs
genesis
cancers,
NSD,
CVDs,
well
application
PTM
modulators
therapy
these
then
discussed
detail.
Elucidating
mediated
by
will
facilitate
development
promising
combination
therapeutic
regimens
containing
or
PTM-targeting
agents
inducers
be
used
overcome
chemotherapeutic
resistance
could
prevent
addition,
highlight
potential
approaches
chemoresistance
halt
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(6), P. 5093 - 5093
Published: March 7, 2023
Uridine
metabolism
is
extensively
reported
to
be
involved
in
combating
oxidative
stress.
Redox-imbalance-mediated
ferroptosis
plays
a
pivotal
role
sepsis-induced
acute
lung
injury
(ALI).
This
study
aims
explore
the
of
uridine
ALI
and
regulatory
mechanism
ferroptosis.
The
Gene
Expression
Omnibus
(GEO)
datasets
including
tissues
lipopolysaccharides
(LPS)
-induced
model
or
human
blood
sample
sepsis
were
collected.
In
vivo
vitro,
LPS
was
injected
into
mice
administered
THP-1
cells
generate
inflammatory
models.
We
identified
that
phosphorylase
1
(UPP1)
upregulated
septic
samples
significantly
alleviated
injury,
inflammation,
tissue
iron
level
lipid
peroxidation.
Nonetheless,
expression
biomarkers,
SLC7A11,
GPX4
HO-1,
upregulated,
while
synthesis
gene
(ACSL4)
greatly
restricted
by
supplementation.
Moreover,
pretreatment
inducer
(Erastin
Era)
weakened
inhibitor
(Ferrostatin-1
Fer-1)
strengthened
protective
effects
uridine.
Mechanistically,
inhibited
macrophage
activating
Nrf2
signaling
pathway.
conclusion,
dysregulation
novel
accelerator
for
supplementation
may
offer
potential
avenue
ameliorating
suppressing
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(2), P. 326 - 326
Published: Jan. 31, 2023
Oxidative
stress
and
endothelial
dysfunction
have
been
shown
to
play
crucial
roles
in
the
pathophysiology
of
COVID-19
(coronavirus
disease
2019).
On
these
grounds,
we
sought
investigate
impact
on
lipid
peroxidation
ferroptosis
human
cells.
We
hypothesized
that
oxidative
induced
by
cells
could
be
linked
outcome.
Thus,
collected
serum
from
patients
hospital
admission,
incubated
sera
with
cells,
comparing
effects
generation
reactive
oxygen
species
(ROS)
between
who
survived
did
not
survive.
found
non-survivors
significantly
increased
peroxidation.
Moreover,
markedly
regulated
expression
levels
main
markers
ferroptosis,
including
GPX4,
SLC7A11,
FTH1,
SAT1,
a
response
was
rescued
silencing
TNFR1
Taken
together,
our
data
indicate
survive
triggers
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(4), P. 3658 - 3658
Published: Feb. 11, 2023
Senescence
is
a
cellular
aging
process
in
all
multicellular
organisms.
It
characterized
by
decay
functions
and
proliferation,
resulting
increased
damage
death.
This
condition
plays
an
essential
role
the
significantly
contributes
to
development
of
age-related
complications.
On
other
hand,
ferroptosis
systemic
cell
death
pathway
excessive
iron
accumulation
followed
generation
reactive
oxygen
species
(ROS).
Oxidative
stress
common
trigger
this
may
be
induced
various
factors
such
as
toxins,
drugs,
inflammation.
Ferroptosis
linked
numerous
disorders,
including
cardiovascular
disease,
neurodegeneration,
cancer.
believed
contribute
tissue
organ
occurring
with
aging.
has
also
been
pathologies,
diseases,
diabetes,
In
particular,
senescent
cells
have
shown
produce
inflammatory
cytokines
pro-inflammatory
molecules
that
can
these
conditions.
turn,
health
known
play
pathologies
promoting
damaged
or
diseased
contributing
inflammation
often
associated.
Both
senescence
are
complex
pathways
still
not
fully
understood.
Further
research
needed
thoroughly
investigate
processes
identify
potential
interventions
target
order
prevent
treat
systematic
review
aims
assess
mechanisms
underlying
link
connecting
senescence,
ferroptosis,
aging,
whether
they
exploited
block
limit
physiological
elderly
people
for
healthy
longevity.
Cell Death and Disease,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Jan. 21, 2023
Abstract
Parthanatos
is
one
of
the
major
pathways
programmed
cell
death
in
ischemic
stroke
characterized
by
DNA
damage,
poly
(ADP-ribose)
polymerases
(PARP)
activation,
and
(PAR)
formation.
Here
we
demonstrate
that
crocetin,
a
natural
potent
antioxidant
compound
from
Crocus
sativus
,
antagonizes
parthanatos
stroke.
We
reveal
mechanistically,
crocetin
inhibits
NADPH
oxidase
2
(NOX2)
activation
to
reduce
reactive
oxygen
species
(ROS)
PAR
production
at
early
stage
parthanatos.
Meanwhile
PARylated
hexokinase-I
(HK-I)
novel
substrate
E3
ligase
RNF146
interacts
with
HK-I
suppress
RNF146-mediated
degradation
later
parthanatos,
preventing
mitochondrial
dysfunction
damage
ultimately
trigger
irreversible
death.
Our
study
supports
further
development
as
potential
drug
candidate
for
and/or
treating
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 15, 2024
Abstract
Studies
have
shown
that
a
series
of
molecular
events
caused
by
oxidative
stress
is
associated
with
ferroptosis
and
oxidation
after
ischemic
stroke
(IS).
Differential
analysis
was
performed
to
identify
differentially
expressed
mRNA
(DEmRNAs)
between
IS
control
groups.
Critical
module
genes
were
identified
using
weighted
gene
co-expression
network
(WGCNA).
DEmRNAs,
critical
genes,
stress-related
(ORGs),
ferroptosis-related
(FRGs)
crossed
screen
for
intersection
mRNAs.
Candidate
mRNAs
screened
based
on
the
protein–protein
interaction
(PPI)
MCODE
plug-in.
Biomarkers
two
types
machine
learning
algorithms,
obtained.
Functional
items
related
pathways
biomarkers
set
enrichment
(GSEA).
Finally,
single-sample
GSEA
(ssGSEA)
Wilcoxon
tests
used
differential
immune
cells.
An
miRNA-mRNA-TF
created.
Quantitative
real-time
polymerase
chain
reaction
(qRT-PCR)
verify
expression
levels
in
There
8287
DE
The
turquoise
selected
as
IS.
Thirty
intersecting
overlaps.
Seventeen
candidate
also
identified.
Four
(CDKN1A,
GPX4,
PRDX1,
PRDX6)
machine-learning
algorithms.
results
indicated
steroid
biosynthesis.
Nine
cells
(activated
B
neutrophils)
markedly
different
We
3747
regulatory
pairs
network,
including
hsa-miR-4469-CDKN1A-BACH2
hsa-miR-188-3p-GPX4-ATF2.
CDKN1A,
PRDX6
upregulated
samples
compared
samples.
This
study
suggests
four
are
significantly
provides
new
reference
diagnosis
treatment
Redox Biology,
Journal Year:
2024,
Volume and Issue:
77, P. 103360 - 103360
Published: Sept. 20, 2024
Acute
kidney
injury
(AKI)
is
primarily
caused
by
renal
ischemia-reperfusion
(IRI),
which
one
of
the
most
prevalent
triggers.
Currently,
preventive
and
therapeutic
measures
remain
limited.
Ferroptosis
plays
a
significant
role
in
pathophysiological
process
IRI-induced
AKI
considered
key
target
for
improving
its
outcomes.
Silibinin,
polyphenolic
flavonoid,
possesses
diverse
pharmacological
properties
widely
used
as
an
effective
agent
liver
diseases.
Recent
studies
have
reported
that
silibinin
may
improves
diseases,
though
underlying
mechanism
unclear.
In
this
study,
we
investigated
whether
protects
against
explored
action.
Our
findings
indicated
pretreatment
with
alleviated
dysfunction,
pathological
damage,
inflammation
IRI-AKI
mice.
Furthermore,
results
demonstrated
inhibited
ferroptosis
both
vivo
vitro.
Proteome
microarrays
were
to
identify
silibinin's
target,
our
revealed
binds
FTH1.
This
binding
affinity
was
confirmed
through
molecular
docking,
SPRi,
CETSA,
DARTS.
Additionally,
co-IP
assays
disrupted
NCOA4-FTH1
interaction,
inhibiting
ferritinophagy.
Finally,
inhibitory
effects
on
reversed
knocking
down
FTH1
conclusion,
study
shows
effectively
alleviates
targeting
reduce
ferroptosis,
suggesting
could
be
developed
potential
managing
treating
AKI.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 18, 2025
The
current
study
established
the
first
in
vitro
Encorafenib
resistance
protocol
BRAF-mutated
malignant
melanoma
(MM)
cells
and
investigated
resistance-related
mechanisms.
After
establishing
Encorafenib-resistant
A375-MM
cells,
resistant-related
mechanisms
were
using
WST-1,
Annexin
V,
cell
cycle,
morphological
analysis,
live-cell,
Western
blot,
RNA-Seq,
transmission
electron
microscopy-(TEM),
oxidative
stress
iron
colorimetric
assay.
most
resistant
group,
called
A375-R,
was
determined
treated
with
a
constant
dose
of
10
nM
over
3
months.
viability,
apoptosis,
G0/G1
arrest
reflected
acquired
chemoresistance.
Autophagic
Beclin
LC3
proteins,
AKT
signaling
increased
A375-R.
RNA-Seq
results
also
exhibited
altered
epigenetic
regulation
resistance;
particularly
ferritin
family
members,
ion
transport
pathways.
Then,
NCOA4,
FTH1,
levels
detected
A375-R
suggest
that
metabolism-related
mechanism,
such
as
ferritinophagy,
might
be
triggered,
which
supported
by
TEM
analysis.
Iron
storage,
transport,
ferritinophagy
have
promising
potential
to
targeted
for
combining
BRAF-targeted
therapy
reverse
MM.
Moreover,
this
is
evaluating
mechanisms,
we
our
findings
contribute
improving
new
drug
combinations
targeting
BRAF
metabolism
different
MM
cells.