Antioxidants,
Год журнала:
2025,
Номер
14(1), С. 56 - 56
Опубликована: Янв. 6, 2025
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
is
a
prevalent
chronic
condition
marked
by
excessive
lipid
accumulation
in
hepatic
tissue.
This
disorder
can
lead
to
range
of
pathological
outcomes,
including
metabolic
steatohepatitis
(MASH)
and
cirrhosis.
Despite
extensive
research,
the
molecular
mechanisms
driving
MASLD
initiation
progression
remain
incompletely
understood.
Oxidative
stress
peroxidation
are
pivotal
"multiple
parallel
hit
model",
contributing
cell
death
tissue
damage.
Gut
microbiota
plays
substantial
role
modulating
oxidative
through
multiple
pathways:
impairing
intestinal
barrier,
which
results
bacterial
translocation
inflammation;
modifying
bile
acid
structure,
impacts
signaling
cascades
involved
lipidic
metabolism;
influencing
hepatocytes'
ferroptosis,
form
programmed
death;
regulating
trimethylamine
N-oxide
(TMAO)
activating
platelet
function,
both
recently
identified
as
pathogenetic
factors
MASH
progression.
Moreover,
various
exogenous
impact
gut
its
involvement
MASLD-related
stress,
such
air
pollution,
physical
activity,
cigarette
smoke,
alcohol,
dietary
patterns.
manuscript
aims
provide
state-of-the-art
overview
focused
on
intricate
interplay
between
microbiota,
peroxidation,
pathogenesis,
offering
insights
into
potential
strategies
prevent
associated
complications.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Окт. 14, 2024
Iron,
an
essential
mineral
in
the
body,
is
involved
numerous
physiological
processes,
making
maintenance
of
iron
homeostasis
crucial
for
overall
health.
Both
overload
and
deficiency
can
cause
various
disorders
human
diseases.
Ferroptosis,
a
form
cell
death
dependent
on
iron,
characterized
by
extensive
peroxidation
lipids.
Unlike
other
kinds
classical
unprogrammed
death,
ferroptosis
primarily
linked
to
disruptions
metabolism,
lipid
peroxidation,
antioxidant
system
imbalance.
Ferroptosis
regulated
through
transcription,
translation,
post-translational
modifications,
which
affect
cellular
sensitivity
ferroptosis.
Over
past
decade
or
so,
diseases
have
been
as
part
their
etiology,
including
cancers,
metabolic
disorders,
autoimmune
diseases,
central
nervous
cardiovascular
musculoskeletal
Ferroptosis-related
proteins
become
attractive
targets
many
major
that
are
currently
incurable,
some
regulators
shown
therapeutic
effects
clinical
trials
although
further
validation
potential
needed.
Therefore,
in-depth
analysis
its
molecular
mechanisms
may
offer
additional
strategies
prevention
treatment.
In
this
review,
we
discuss
significance
contribution
etiology
development
along
with
evidence
supporting
targeting
approach.
Importantly,
evaluate
recent
promising
interventions,
providing
guidance
future
targeted
treatment
therapies
against
Journal of Hematology & Oncology,
Год журнала:
2024,
Номер
17(1)
Опубликована: Июнь 6, 2024
Abstract
Ferroptosis,
an
iron-dependent
form
of
cell
death
characterized
by
uncontrolled
lipid
peroxidation,
is
governed
molecular
networks
involving
diverse
molecules
and
organelles.
Since
its
recognition
as
a
non-apoptotic
pathway
in
2012,
ferroptosis
has
emerged
crucial
mechanism
numerous
physiological
pathological
contexts,
leading
to
significant
therapeutic
advancements
across
wide
range
diseases.
This
review
summarizes
the
fundamental
mechanisms
regulatory
pathways
underlying
ferroptosis,
including
both
GPX4-dependent
-independent
antioxidant
mechanisms.
Additionally,
we
examine
involvement
various
conditions,
cancer,
neurodegenerative
diseases,
sepsis,
ischemia–reperfusion
injury,
autoimmune
disorders,
metabolic
disorders.
Specifically,
explore
role
response
chemotherapy,
radiotherapy,
immunotherapy,
nanotherapy,
targeted
therapy.
Furthermore,
discuss
pharmacological
strategies
for
modulating
potential
biomarkers
monitoring
this
process.
Lastly,
elucidate
interplay
between
other
forms
regulated
death.
Such
insights
hold
promise
advancing
our
understanding
context
human
health
disease.
Cell,
Год журнала:
2024,
Номер
187(15), С. 4043 - 4060.e30
Опубликована: Июнь 14, 2024
Inflammation-induced
neurodegeneration
is
a
defining
feature
of
multiple
sclerosis
(MS),
yet
the
underlying
mechanisms
remain
unclear.
By
dissecting
neuronal
inflammatory
stress
response,
we
discovered
that
neurons
in
MS
and
its
mouse
model
induce
stimulator
interferon
genes
(STING).
However,
activation
STING
requires
detachment
from
stromal
interaction
molecule
1
(STIM1),
process
triggered
by
glutamate
excitotoxicity.
This
initiates
non-canonical
signaling,
which
leads
to
autophagic
degradation
glutathione
peroxidase
4
(GPX4),
essential
for
redox
homeostasis
thereby
inducing
ferroptosis.
Both
genetic
pharmacological
interventions
target
protect
against
inflammation-induced
neurodegeneration.
Our
findings
position
as
central
regulator
detrimental
integrating
inflammation
with
signaling
cause
cell
death,
present
it
tractable
treating
MS.
Signal Transduction and Targeted Therapy,
Год журнала:
2025,
Номер
10(1)
Опубликована: Фев. 18, 2025
Abstract
Breast
cancer,
characterized
by
unique
epidemiological
patterns
and
significant
heterogeneity,
remains
one
of
the
leading
causes
malignancy-related
deaths
in
women.
The
increasingly
nuanced
molecular
subtypes
breast
cancer
have
enhanced
comprehension
precision
treatment
this
disease.
mechanisms
tumorigenesis
progression
been
central
to
scientific
research,
with
investigations
spanning
various
perspectives
such
as
tumor
stemness,
intra-tumoral
microbiota,
circadian
rhythms.
Technological
advancements,
particularly
those
integrated
artificial
intelligence,
significantly
improved
accuracy
detection
diagnosis.
emergence
novel
therapeutic
concepts
drugs
represents
a
paradigm
shift
towards
personalized
medicine.
Evidence
suggests
that
optimal
diagnosis
models
tailored
individual
patient
risk
expected
are
crucial,
supporting
era
oncology
for
cancer.
Despite
rapid
advancements
increasing
emphasis
on
clinical
comprehensive
update
summary
panoramic
knowledge
related
disease
needed.
In
review,
we
provide
thorough
overview
global
status
including
its
epidemiology,
factors,
pathophysiology,
subtyping.
Additionally,
elaborate
latest
research
into
contributing
progression,
emerging
strategies,
long-term
management.
This
review
offers
valuable
insights
Cancer
Research,
thereby
facilitating
future
progress
both
basic
application.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 6, 2025
ABSTRACT
Lipid
droplets
(LDs)
are
organelles
that
store
and
supply
lipids
based
on
cellular
needs.
While
mechanisms
preventing
oxidative
damage
to
membrane
phospholipids
established,
the
vulnerability
of
LD
neutral
peroxidation
protective
unknown.
Here,
we
identify
LD-localized
Ferroptosis
Suppressor
Protein
1
(FSP1)
as
a
critical
regulator
prevents
lipid
by
recycling
coenzyme
Q10
(CoQ10)
its
lipophilic
antioxidant
form.
Lipidomics
reveal
FSP1
loss
leads
accumulation
oxidized
triacylglycerols
cholesteryl
esters,
biochemical
reconstitution
with
CoQ10
NADH
suppresses
triacylglycerol
in
vitro
.
Notably,
polyunsaturated
fatty
acid
(PUFA)-rich
enhance
cancer
cell
sensitivity
inducing
PUFA-rich
LDs
triggers
LD-initiated
ferroptosis
when
activity
is
impaired.
These
findings
uncover
first
quality
control
pathway,
wherein
maintains
integrity
prevent
buildup
induction
ferroptosis.
Communications Biology,
Год журнала:
2025,
Номер
8(1)
Опубликована: Фев. 11, 2025
Human
and
animal
health
rely
on
balancing
cell
division
death
to
maintain
normal
homeostasis.
This
process
is
accomplished
by
regulated
(RCD),
whose
imbalance
can
lead
disease.
Currently,
the
most
frequently
used
method
for
analyzing
RCD
fluorescence
microscopy.
has
limitations
potential
side
effects
due
presence
of
fluorescent
labels.
Furthermore,
often
lacks
specificity
may
have
effects.
In
quest
overcome
such
difficulties,
label-free
approaches
come
into
focus.Here,
Raman
microscopy
in
combination
with
machine
learning
investigate
RCDs,
where
biochemical
molecular
"fingerprints"
are
investigated
a
focus
vibrations
atoms
molecules.
Three
different
unique
types
genetic
machinery,
namely,
ferroptosis
studied
comparison
apoptosis,
necroptosis
murine
fibroblast
line
L929sAhFas.
Interestingly,
during
ferroptosis,
decrease
wavenumber
at
939
cm-1
was
observed,
which
associated
reduction
expression
collagen
–
compound
essential
multiple
diseases.
Data
analysis
performed
(ML),
here
SVMs,
model
utilizing
spectra
directly
support
vector
(SVM)
outperforms
other
SVM
strategies
correctly
predicting
73%
all
spectra.
Other
methods:
PCA-SVM
(principal
component
analysis-SVM),
peak
fitting-AUC-SVM
(area
under
curve)
fitting-spectral
reconstruction-SVM
rendered
prediction
accuracies
~52%,
~43%,
61%,
respectively.
Peak
fitting
additional
benefit
enabling
biological
interpretation
scattering
peaks
using
area
curve,
although
loss
general
accuracy.
The
biology,
pipelines,
be
applied
broader
field
not
limited
death.
Verduijn
et
al
show
that
modalities.
allows
investigation
apoptosis
necroptosis.
Signal Transduction and Targeted Therapy,
Год журнала:
2025,
Номер
10(1)
Опубликована: Янв. 2, 2025
Abstract
Rampant
phospholipid
peroxidation
initiated
by
iron
causes
ferroptosis
unless
this
is
restrained
cellular
defences.
Ferroptosis
increasingly
implicated
in
a
host
of
diseases,
and
unlike
other
cell
death
programs
the
physiological
initiation
conceived
to
occur
not
an
endogenous
executioner,
but
withdrawal
guardians
that
otherwise
constantly
oppose
induction.
Here,
we
profile
key
ferroptotic
defence
strategies
including
regulation,
modulation
enzymes
metabolite
systems:
glutathione
reductase
(GR),
suppressor
protein
1
(FSP1),
NAD(P)H
Quinone
Dehydrogenase
(NQO1),
Dihydrofolate
(DHFR),
retinal
reductases
dehydrogenases
(RDH)
thioredoxin
(TR).
A
common
thread
uniting
all
metabolites
combat
lipid
during
dependence
on
reductant,
nicotinamide
adenine
dinucleotide
phosphate
(NADPH).
We
will
outline
how
cells
control
central
carbon
metabolism
produce
NADPH
necessary
precursors
defend
against
ferroptosis.
Subsequently
discuss
evidence
for
dysregulation
different
disease
contexts
glucose-6-phosphate
dehydrogenase
deficiency,
cancer
neurodegeneration.
Finally,
several
anti-ferroptosis
therapeutic
spanning
use
radical
trapping
agents,
dependent
redox
support
highlight
current
landscape
clinical
trials
focusing
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Complex
multicellular
organisms
are
composed
of
distinct
tissues
involving
specialized
cells
that
can
perform
specific
functions,
making
such
life
forms
possible.
Species
defined
by
their
genomes,
and
differences
between
individuals
within
a
given
species
directly
result
from
variations
in
genetic
codes.
While
alterations
give
rise
to
disease-causing
acquisitions
cell
identities,
it
is
now
well-established
biochemical
imbalances
also
lead
cellular
dysfunction
diseases.
Specifically,
nongenetic
chemical
events
orchestrate
metabolism
transcriptional
programs
govern
functional
identity.
Thus,
signaling,
which
broadly
defines
the
conversion
extracellular
signals
into
intracellular
changes,
contribute
acquisition
diseased
states.
Metal
ions
exhibit
unique
properties
be
exploited
cell.
For
instance,
metal
maintain
ionic
balance
cell,
coordinate
amino
acid
residues
or
nucleobases
altering
folding
function
biomolecules,
catalyze
reactions.
metals
essential
signaling
effectors
normal
physiology
disease.
Deciphering
ion
challenging
endeavor
illuminate
pathways
targeted
for
therapeutic
intervention.
Here,
we
review
key
processes
where
play
roles
describe
how
targeting
has
been
instrumental
dissecting
biochemistry
this
led
development
effective
strategies.