Biomolecules,
Journal Year:
2023,
Volume and Issue:
13(5), P. 820 - 820
Published: May 11, 2023
Cell
death
includes
programmed
and
nonprogrammed
cell
death.
The
former
mainly
ferroptosis,
necroptosis,
pyroptosis,
autophagy,
apoptosis,
while
the
latter
refers
to
necrosis.
Accumulating
evidence
shows
that
pyroptosis
play
essential
regulatory
roles
in
development
of
intestinal
diseases.
In
recent
years,
incidence
inflammatory
bowel
disease
(IBD),
colorectal
cancer
(CRC),
injury
induced
by
ischemia-reperfusion
(I/R),
sepsis,
radiation
have
gradually
increased,
posing
a
significant
threat
human
health.
advancement
targeted
therapies
for
diseases
based
on
provides
new
strategies
treating
Herein,
we
review
with
respect
regulation
highlight
underlying
molecular
mechanisms
potential
therapeutic
applications.
Frontiers in Pharmacology,
Journal Year:
2021,
Volume and Issue:
12
Published: Oct. 29, 2021
Erianin,
a
natural
product
derived
from
Dendrobium
chrysotoxum
Lindl
,
has
been
proved
to
play
antitumor
activity
in
various
cancers.
However,
the
effects
and
molecular
mechanisms
of
erianin
bladder
cancer
cells
remain
unexplored.
In
this
study,
we
found
that
triggered
cell
death
cycle
arrest
cells.
Then
demonstrated
could
promote
accumulation
lethal
lipid-based
reactive
oxygen
species
(ROS)
depletion
glutathione
(GSH),
suggesting
induction
ferroptosis.
further
ferroptosis
inhibitor
deferoxamine
(DFO),
N-Acetylcysteine
(NAC)
GSH
but
not
necrostatin-1,
CQ
or
Z-VAD-FMK
rescued
erianin-caused
death,
showing
played
major
role
death.
vivo
also
showed
suppressed
tumor
growth
by
inducing
Mechanistically,
nuclear
factor
E2-related
2
(NRF2)
inactivation
was
key
determinant
caused
erianin.
cells,
compound
tert-butylhydro-quinone
(TBHQ),
an
activator
NRF2,
erianin-induced
Whereas,
NRF2
inhibition
used
shRNA
augmented
response
induced
treatment.
conclusion,
our
data
provide
first
evidence
can
initiate
ferroptosis-like
lipid
peroxidation
cancer,
which
will
hopefully
become
promising
anticancer
for
treatment
cancer.
Free Radical Biology and Medicine,
Journal Year:
2021,
Volume and Issue:
172, P. 312 - 329
Published: June 16, 2021
Inflammatory
bowel
disease
(IBD),
including
ulcerative
colitis
(UC)
and
Crohn's
(CD),
is
a
group
of
chronic
recurrent
incurable
gastrointestinal
diseases
with
an
unknown
etiology
that
leads
to
high
risk
developing
colitis-associated
colorectal
cancer
(CRC).
In
this
study,
we
measured
the
expression
characteristics
MELK
in
IBD
CRC
tissues
explored
regulatory
effect
OTSSP167
(a
MELK-selective
inhibitor)
on
mice
models
carcinogenesis
analyzed
specific
molecular
mechanisms.
DSS-induced
(CAC)
model
were
treated
inhibitor
then
fight
against
clinical
symptoms
CAC
was
measured.
addition,
underlying
mechanism
treatment
vitro
vivo
anti-ferroptosis
anti-inflammatory
response
further
explored.
We
found
pharmacological
inhibition
indicated
significantly
alleviate
inflammatory
colitis,
reduce
intestinal
damage,
effectively
inhibit
occurrence
progression
colitis-propelled
carcinogenesis,
which
closely
related
regulation
gut
microbial
composition,
OTSSP167-mediated
fecal
microbiota
transplantation
alleviated
colitis.
obviously
inhibited
ferroptosis
tissue
suppressed
macrophage
infiltration
M1
polarization,
reduced
secretion
pro-inflammatory
factors.
Further
exploration
revealed
AKT/IKK/P65
ERK/IKK/P65
signaling
cascades
both
vitro,
may
help
inflammation
control
cancer.
Our
findings
lay
theoretical
foundation
for
use
as
its
carcinogenesis;
additionally,
be
potentially
effective
target
molecule,
thus
providing
more
options
treatment.
Cells,
Journal Year:
2022,
Volume and Issue:
11(13), P. 2040 - 2040
Published: June 27, 2022
Ferroptosis,
which
has
been
widely
associated
with
many
diseases,
is
an
iron-dependent
regulated
cell
death
characterized
by
intracellular
lipid
peroxide
accumulation.
It
exhibits
morphological,
biochemical,
and
genetic
characteristics
that
are
unique
in
comparison
to
other
types
of
death.
The
course
ferroptosis
can
be
accurately
the
metabolism
iron,
lipids,
amino
acids,
various
signal
pathways.
In
this
review,
we
summarize
basic
ferroptosis,
its
regulation,
as
well
relationship
between
chronic
diseases
such
cancer,
nervous
system
metabolic
inflammatory
bowel
diseases.
Finally,
describe
regulatory
effects
food-borne
active
ingredients
on
ferroptosis.
Oxidative Medicine and Cellular Longevity,
Journal Year:
2021,
Volume and Issue:
2021(1)
Published: Jan. 1, 2021
Inflammatory
bowel
disease
(IBD),
including
ulcerative
colitis
and
Crohn’s
disease,
is
mainly
characterized
by
chronic
progressive
inflammation
that
damages
the
gastrointestinal
mucosa.
Increasing
studies
have
enlightened
dysregulated
cell
death
occurs
in
inflamed
sites,
leading
to
disruption
of
intestinal
barrier
aggravating
inflammatory
response.
Ferroptosis,
a
newly
form
regulated
death,
driven
lethal
accumulation
lipid
peroxides
catalyzed
cellular
free
iron.
It
has
been
widely
documented
fundamental
features
ferroptosis,
iron
deposition,
GSH
exhaustion,
GPX4
inactivation,
peroxidation,
are
manifested
injured
tract
IBD
patients.
Furthermore,
manipulation
critical
ferroptotic
genes
could
alter
progression,
severity,
or
even
morbidity
experimental
colitis.
Herein,
we
critically
summarize
recent
advances
field
focusing
on
interpreting
potential
engagement
ferroptosis
pathogenesis
IBD.
Moreover,
attempting
shed
light
perspective
insight
into
possibility
targeting
as
novel
therapeutic
designs
for
clinical
intervention
these
diseases.
Oxidative Medicine and Cellular Longevity,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 9
Published: March 26, 2022
Ulcerative
colitis
(UC)
is
a
recurrent
and
persistent
nonspecific
inflammatory
bowel
disease
(IBD)
that
greatly
affects
human
survival
social
wealth.
Despite
the
advances
in
treatment
of
UC,
there
still
high
demand
for
novel
therapeutic
strategies
UC
patients.
Cell
death
critical
to
development
progression
UC.
Understanding
how
intestinal
cells
die
prevent
damage
great
interest
diagnosis
early
Ferroptosis,
form
regulated
cell
(RCD)
manifested
by
iron
accumulation,
lipid
peroxidation,
excessive
reactive
oxygen
species
(ROS)
production,
has
been
shown
contribute
Inhibitors
ferroptosis
have
validated
models
Here,
we
reviewed
mechanisms
initiation
control
summarize
activity
inhibitors
We
further
discussed
possibility
inhibiting
as
target
These
findings
revealed
protect
colonic
mucosa
highlighted
importance
process.
Advanced Healthcare Materials,
Journal Year:
2023,
Volume and Issue:
12(12)
Published: Jan. 18, 2023
Abstract
The
structural
disruption
of
mechanical
barrier
and
dysfunction
immune
in
intestinal,
are
important
factors,
that
aggravate
inflammatory
bowel
disease
(IBD).
To
tackle
this
challenge,
a
multifunctional
nanozyme
capable
scavenging
reactive
oxygen
species
(ROS)
inhibiting
ferroptosis
or
T
cells
differentiation
for
IBD
therapy
is
here
reported.
In
work,
zero‐valence
selenium‐enriched
Prussian
blue
nanozymes
(Se‐HMPB
nanozymes)
prepared
via
the
hard
template
method.
PB
with
multi‐enzyme
activities
can
effectively
scavenge
various
ROS
tissues.
Meanwhile,
presence
selenium
element
endows
glutathione
peroxidase
activity
Se‐HMPB
nanozymes,
which
inhibit
reverse
lipid
peroxidation
intestinal
epithelial
to
protect
ulcerative
colitis
(UC)
model.
addition,
supplementation
realize
efficient
inhibition
on
Crohn's
(CD)
model,
regulating
barrier.
Thus,
reconstructed
UC
CD
models,
depicting
great
potential
alleviate
IBD.