Journal of Cellular and Molecular Medicine,
Journal Year:
2019,
Volume and Issue:
23(5), P. 3451 - 3463
Published: Feb. 26, 2019
Abstract
Abnormal
metabolism
of
tumour
cells
is
closely
related
to
the
occurrence
and
development
breast
cancer,
during
which
expression
NF‐E2‐related
factor
2
(Nrf2)
great
significance.
Metastatic
cancer
one
most
common
causes
death
worldwide;
however,
molecular
mechanism
underlying
metastasis
remains
unknown.
In
this
study,
we
found
that
overexpression
Nrf2
promoted
proliferation
migration
cancers
cells.
Inhibition
Kelch‐like
ECH‐associated
protein
1
(Keap1)
reduced
glucose‐6‐phosphate
dehydrogenase
(G6PD)
transketolase
pentose
phosphate
pathway,
knockdown
Keap1
had
opposite
effects.
Our
results
further
showed
G6PD
Hypoxia‐inducing
1α
(HIF‐1α)
in
MCF‐7
MDA‐MB‐231
Overexpression
up‐regulated
Notch1
via
G6PD/HIF‐1α
pathway.
Notch
signalling
pathway
affected
by
affecting
its
downstream
gene
HES‐1,
regulated
EMT
The
suggest
a
potential
target
for
treatment
targeting
may
provide
promising
strategy
Nrf2‐driven
metastasis.
Antioxidants,
Journal Year:
2022,
Volume and Issue:
11(12), P. 2377 - 2377
Published: Nov. 30, 2022
Cerebral
ischemic
stroke
is
characterized
by
acute
ischemia
in
a
certain
part
of
the
brain,
which
leads
to
brain
cells
necrosis,
apoptosis,
ferroptosis,
pyroptosis,
etc.
At
present,
there
are
limited
effective
clinical
treatments
for
cerebral
stroke,
and
recovery
blood
circulation
will
lead
ischemia-reperfusion
injury
(CIRI).
involves
many
pathological
processes
such
as
oxidative
stress,
inflammation,
mitochondrial
dysfunction.
Nuclear
factor
erythroid
2-related
2
(Nrf2),
one
most
critical
antioxidant
transcription
factors
cells,
can
coordinate
various
cytoprotective
inhibit
stress.
Targeting
Nrf2
considered
potential
strategy
prevent
treat
injury.
During
ischemia,
participates
signaling
pathways
Keap1,
PI3K/AKT,
MAPK,
NF-κB,
HO-1,
then
alleviates
or
CIRI
inhibiting
anti-inflammation,
maintaining
homeostasis,
protecting
blood–brain
barrier,
ferroptosis.
In
this
review,
we
have
discussed
structure
Nrf2,
mechanisms
related
research
on
treatment
through
pathway
recent
years,
expounded
important
role
future
stroke.
Antioxidants,
Journal Year:
2019,
Volume and Issue:
8(9), P. 404 - 404
Published: Sept. 17, 2019
Nitric
oxide
(NO)
is
a
highly
reactive
molecule,
generated
through
metabolism
of
L-arginine
by
NO
synthase
(NOS).
Abnormal
levels
in
mammalian
cells
are
associated
with
multiple
human
diseases,
including
cancer.
Recent
studies
have
uncovered
that
the
signaling
compartmentalized,
owing
to
localization
NOS
and
nature
biochemical
reactions
NO,
S-nitrosylation.
S-nitrosylation
selective
covalent
post-translational
modification
adding
nitrosyl
group
thiol
cysteine
form
S-nitrosothiol
(SNO),
which
key
mechanism
transferring
NO-mediated
signals.
While
occurs
only
at
select
thiols,
such
spatial
constraint
partially
resolved
transnitrosylation,
where
moiety
transferred
between
two
interacting
proteins
successively
transfer
signal
distant
location.
As
present
various
subcellular
locales,
stress
could
trigger
concerted
transnitrosylation
large
number
involved
divergent
cascades.
an
emerging
paradigm
redox
confer
protection
against
oxidative
stress.
Antioxidants,
Journal Year:
2022,
Volume and Issue:
11(1), P. 133 - 133
Published: Jan. 7, 2022
Flavonoids
display
a
broad
range
of
health-promoting
bioactivities.
Among
these,
their
capacity
to
act
as
antioxidants
has
remained
most
prominent.
The
canonical
reactive
oxygen
species
(ROS)-scavenging
mode
the
antioxidant
action
flavonoids
relies
on
high
susceptibility
phenolic
moieties
undergo
oxidation.
As
consequence,
upon
reaction
with
ROS,
is
severely
compromised.
Other
phenol-compromising
reactions,
such
those
involved
in
biotransformation
flavonoids,
can
also
markedly
affect
properties.
In
recent
years,
however,
increasing
evidence
indicated
that,
at
least
for
some
oxidation
residues
fact
enhance
original
apparent
paradoxical
cases,
activity
arises
from
pro-oxidant
and/or
electrophilic
character
oxidation-derived
metabolites
and
exerted
by
activating
Nrf2-Keap1
pathway,
which
upregulates
cell's
endogenous
capacity,
and/or,
preventing
activation
pro-inflammatory
NF-κB
pathway.
This
review
focuses
effects
that
oxidative
non-oxidative
modification
groups
may
have
ability
resulting
promote
direct
indirect
actions.
Considering
case
metabolite
quercetin,
we
offer
comprehensive
description
increasingly
supports
concept
certain
phenolics
emerges
mechanism
amplifies
An
overlooked
topic
great
phytomedicine
potential
thus
unraveled.
Journal of Cellular and Molecular Medicine,
Journal Year:
2019,
Volume and Issue:
23(5), P. 3451 - 3463
Published: Feb. 26, 2019
Abstract
Abnormal
metabolism
of
tumour
cells
is
closely
related
to
the
occurrence
and
development
breast
cancer,
during
which
expression
NF‐E2‐related
factor
2
(Nrf2)
great
significance.
Metastatic
cancer
one
most
common
causes
death
worldwide;
however,
molecular
mechanism
underlying
metastasis
remains
unknown.
In
this
study,
we
found
that
overexpression
Nrf2
promoted
proliferation
migration
cancers
cells.
Inhibition
Kelch‐like
ECH‐associated
protein
1
(Keap1)
reduced
glucose‐6‐phosphate
dehydrogenase
(G6PD)
transketolase
pentose
phosphate
pathway,
knockdown
Keap1
had
opposite
effects.
Our
results
further
showed
G6PD
Hypoxia‐inducing
1α
(HIF‐1α)
in
MCF‐7
MDA‐MB‐231
Overexpression
up‐regulated
Notch1
via
G6PD/HIF‐1α
pathway.
Notch
signalling
pathway
affected
by
affecting
its
downstream
gene
HES‐1,
regulated
EMT
The
suggest
a
potential
target
for
treatment
targeting
may
provide
promising
strategy
Nrf2‐driven
metastasis.