International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(8), С. 4264 - 4264
Опубликована: Апрель 12, 2024
Changes
during
the
production
cycle
of
dairy
cattle
can
leave
these
animals
susceptible
to
oxidative
stress
and
reduced
antioxidant
health.
In
particular,
periparturient
period,
when
cows
must
rapidly
adapt
sudden
metabolic
demands
lactation,
is
a
period
damaging
free
radicals
overwhelm
natural
systems,
potentially
leading
tissue
damage
milk
production.
Central
protection
against
radical
defense
transcription
factor
NRF2,
which
activates
an
array
genes
associated
with
functions
cell
survival.
The
objective
this
study
was
evaluate
effect
that
two
NRF2
modulators,
agonist
sulforaphane
(SFN)
antagonist
brusatol
(BRU),
have
on
transcriptome
immortalized
bovine
mammary
alveolar
cells
(MACT)
using
both
RT-qPCR
putative
target
genes,
as
well
RNA
sequencing
approaches.
treatment
SFN
resulted
in
activation
many
upregulation
pathways
involved
survival,
metabolism,
function
while
suppressing
expression
related
cellular
senescence
DNA
repair.
contrast,
BRU
inflammation,
stress,
apoptosis
various
processes.
analysis
also
revealed
several
novel
bovine.
conclusion,
data
indicate
may
be
effective
at
modulating
transcriptional
network,
but
additional
effects
metabolism
complicate
effectiveness
compounds
improve
health
via
nutrigenomic
Antioxidants,
Год журнала:
2024,
Номер
13(10), С. 1270 - 1270
Опубликована: Окт. 18, 2024
Periodontitis
affects
up
to
40%
of
adults
over
60
years
old
and
is
a
consequence
gingivitis.
characterized
by
chronic
inflammation,
periodontal
damage,
alveolar
bone
resorption.
The
nuclear
factor
erythroid
2-related
2
(NFE2L2
or
NRF2)/Kelch-like
ECH-Associated
Protein
1
(KEAP1)
(NRF2/KEAP1)
signaling
pathway
plays
key
role
in
periodontitis
modulating
redox
balance
inflammation
the
periodontium.
However,
NRF2
expression
decreased
gingival
tissues
patients
with
while
oxidative
stress
significantly
increased
this
pathology.
Oxidative
lipopolysaccharide
(LPS)
produced
gram-negative
bacteria
favor
production
inflammatory
causing
favoring
bone.
In
review,
we
analyzed
current
literature
regarding
natural
synthetic
compounds
NRF2/KEAP1
vitro
vivo
models
order
evaluate
new
potential
treatments
that
can
improve
outcome
disease.
Cells,
Год журнала:
2024,
Номер
13(17), С. 1469 - 1469
Опубликована: Сен. 1, 2024
NAD+-dependent
deacetylase
sirtuin-1
(Sirt1)
belongs
to
the
sirtuins
family,
known
be
longevity
regulators,
and
exerts
a
key
role
in
prevention
of
vascular
aging.
By
aging,
expression
levels
Sirt1
decline
with
severe
impact
on
function,
such
as
rise
endothelial
dysfunction,
which
turn
promotes
development
cardiovascular
diseases.
In
this
context,
activity
preventing
senescence
is
particularly
important.
Given
counteracting
senescence,
great
efforts
have
been
made
deepen
knowledge
about
intricate
cross-talks
interactions
other
molecules,
order
set
up
possible
strategies
boost
prevent
or
treat
The
aim
review
provide
proper
background
regulation
function
endothelium
discuss
recent
advances
regarding
therapeutic
targeting
counteract
Antioxidants,
Год журнала:
2024,
Номер
13(7), С. 778 - 778
Опубликована: Июнь 27, 2024
Antioxidants
play
a
pivotal
role
in
neutralizing
reactive
oxygen
species
(ROS),
which
are
known
to
induce
oxidative
stress.
In
the
context
of
cancer
development,
cells
adeptly
maintain
elevated
levels
both
ROS
and
antioxidants
through
process
termed
"redox
reprogramming".
This
balance
optimizes
proliferative
influence
while
simultaneously
reducing
potential
for
cause
damage
cell.
some
cases,
adapted
antioxidant
machinery
can
hamper
efficacy
treatments
neoplastic
diseases,
representing
significant
facet
resistance
mechanisms
observed
therapy.
this
review,
we
outline
contribution
systems
therapeutic
resistance.
We
detail
fundamental
constituents
these
systems,
encompassing
central
regulatory
involving
transcription
factors
(of
particular
importance
is
KEAP1/NRF2
signaling
axis),
molecular
effectors
antioxidants,
auxiliary
responsible
NADPH
generation.
Furthermore,
present
recent
clinical
trials
based
on
targeted
treatment
cancer,
assessing
as
well
challenges
strategy
Additionally,
summarize
pressing
issues
field,
with
aim
illuminating
path
toward
emergence
novel
anticancer
approaches
by
orchestrating
redox
signaling.
Frontiers in Bioscience-Landmark,
Год журнала:
2025,
Номер
30(2)
Опубликована: Фев. 17, 2025
Polycystic
ovary
syndrome
(PCOS)
is
a
prevalent
gynecological
endocrine
and
metabolic
disorder
in
women,
with
an
incidence
rate
of
10-13%.
The
etiology
PCOS
multifaceted,
involving
genetic
predisposition,
environmental
influences,
lifestyle
factors,
dysregulation.
Iron,
critical
mineral,
not
only
plays
role
regulating
female
physiological
functions
the
progression
but
also
requires
careful
management
to
avoid
deficiency.
However,
excess
iron
can
trigger
ferroptosis,
form
nonapoptotic
cell
death
characterized
by
accumulation
lipid
peroxides.
While
numerous
studies
have
explored
ferroptosis
patients
animal
models,
precise
mechanisms
therapeutic
implications
remain
inadequately
understood.
This
review
seeks
elucidate
pathophysiology
contributory
factors
ferroptosis.
Additionally,
we
examine
diverse
manifestations
evaluate
its
role.
Furthermore,
introduce
ferroptosis-related
traditional
Chinese
medicines
that
may
enhance
understanding
pathogenesis
aid
development
targeted
therapies
for
PCOS.
Cancer Drug Resistance,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 25, 2024
NFE2-like
basic
leucine
zipper
transcription
factor
2
(NFE2L2,
also
known
as
NRF2),
is
a
key
in
the
cellular
defense
against
oxidative
stress,
playing
crucial
role
cancer
cell
survival
and
resistance
to
therapies.
This
review
outlines
current
knowledge
on
link
between
NFE2L2
ferroptosis
-
form
of
regulated
death
characterized
by
iron-dependent
lipid
peroxidation
within
cells.
While
activation
can
protect
normal
cells
from
damage,
its
overexpression
contributes
drug
upregulating
antioxidant
defenses
inhibiting
ferroptosis.
We
delve
into
molecular
pathways
ferroptosis,
highlighting
involvement
target
genes,
such
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(15), С. 8423 - 8423
Опубликована: Авг. 1, 2024
The
most
abundant
tripeptide—glutathione
(GSH)—and
the
major
GSH-related
enzymes—glutathione
peroxidases
(GPxs)
and
glutathione
S-transferases
(GSTs)—are
highly
significant
in
regulation
of
tumor
cell
viability,
initiation
development,
its
progression,
drug
resistance.
high
level
GSH
synthesis
different
cancer
types
depends
not
only
on
increasing
expression
key
enzymes
γ-glutamyl
cycle
but
also
changes
transport
velocity
precursor
amino
acids.
ability
GPxs
to
reduce
hydroperoxides
is
used
for
cellular
each
member
GPx
family
has
a
mechanism
action
site
maintaining
redox
balance.
GSTs
catalyze
conjugation
electrophilic
substances
reduction
organic
take
part
signaling
pathways.
By
catalyzing
S-glutathionylation
target
proteins,
are
involved
processes,
including
metabolism
(e.g.,
glycolysis
PPP),
signal
transduction,
transcription
regulation,
development
resistance
anticancer
drugs.
In
this
review,
recent
findings
synthesis,
roles
functions
GPxs,
GST
isoforms
discussed,
along
with
search
inhibitors
treatment.