Aging,
Год журнала:
2023,
Номер
15(22), С. 12952 - 12965
Опубликована: Ноя. 16, 2023
Colorectal
cancer
is
one
of
the
most
common
malignant
tumors
in
digestive
system,
and
its
high
incidence
metastasis
rate
make
it
a
terrible
killer
that
threatens
human
health.
In-depth
exploration
targets
affecting
progression
colorectal
cells
development
specific
targeted
drugs
for
them
are
great
significance
prognosis
patients.
Erythropoietin-producing
hepatocellular
A2
(EphA2)
member
Eph
subfamily
with
tyrosine
kinase
activity,
plays
key
role
regulation
signaling
pathways
related
to
phenotype
various
tumor
cells,
but
regulatory
mechanism
needs
be
further
clarified.
Here,
we
found
EphA2
was
abnormally
highly
expressed
patients
expression
had
worse
prognosis.
We
also
can
form
liquid-liquid
phase
separation
condensates
on
cell
membrane,
which
disrupted
by
ALW-II-41-27,
an
inhibitor
EphA2.
In
addition,
positively
correlated
ferroptosis-related
genes
infiltration
multiple
immune
cells.
These
findings
suggest
novel
membrane
protein
ability
associated
ferroptosis
infiltration,
suggests
may
inhibited
suppressing
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Март 8, 2024
Ferroptosis
is
a
non-apoptotic
form
of
regulated
cell
death
characterized
by
the
lethal
accumulation
iron-dependent
membrane-localized
lipid
peroxides.
It
acts
as
an
innate
tumor
suppressor
mechanism
and
participates
in
biological
processes
tumors.
Intriguingly,
mesenchymal
dedifferentiated
cancer
cells,
which
are
usually
resistant
to
apoptosis
traditional
therapies,
exquisitely
vulnerable
ferroptosis,
further
underscoring
its
potential
treatment
approach
for
cancers,
especially
refractory
cancers.
However,
impact
ferroptosis
on
extends
beyond
direct
cytotoxic
effect
cells.
induction
not
only
inhibits
but
also
promotes
development
due
negative
anticancer
immunity.
Thus,
comprehensive
understanding
role
crucial
successful
translation
therapy
from
laboratory
clinical
applications.
In
this
review,
we
provide
overview
recent
advancements
cancer,
covering
molecular
mechanisms,
functions,
regulatory
pathways,
interactions
with
microenvironment.
We
summarize
applications
immunotherapy,
radiotherapy,
systemic
therapy,
well
inhibition
various
conditions.
finally
discuss
markers,
current
challenges
future
directions
cancer.
Biomedicine & Pharmacotherapy,
Год журнала:
2024,
Номер
171, С. 116112 - 116112
Опубликована: Янв. 2, 2024
Ferroptosis
is
a
newly
identified
form
of
non-apoptotic
programmed
cell
death,
characterized
by
the
iron-dependent
accumulation
lethal
lipid
reactive
oxygen
species
(ROS)
and
peroxidation
membrane
polyunsaturated
fatty
acid
phospholipids
(PUFA-PLs).
unique
among
other
death
modalities
in
many
aspects.
It
initiated
excessive
oxidative
damage
due
to
iron
overload
compromised
antioxidant
defense
systems,
including
system
Xc-/
glutathione
(GSH)/glutathione
peroxidase
4
(GPX4)
pathway
GPX4-independent
pathways.
In
past
ten
years,
ferroptosis
was
reported
play
critical
role
pathogenesis
various
cardiovascular
diseases,
e.g.,
atherosclerosis
(AS),
arrhythmia,
heart
failure,
diabetic
cardiomyopathy,
myocardial
ischemia-reperfusion
injury.
Studies
have
dysfunctional
metabolism
abnormal
expression
profiles
ferroptosis-related
factors,
iron,
GSH,
GPX4,
ferroportin
(FPN),
SLC7A11
(xCT),
as
indicators
for
atherogenesis.
Moreover,
plaque
cells,
i.e.,
vascular
endothelial
(VEC),
macrophage,
smooth
muscle
(VSMC),
positively
correlate
with
atherosclerotic
development.
Many
macromolecules,
drugs,
Chinese
herbs,
food
extracts
can
inhibit
atherogenic
process
suppressing
cells.
contrast,
some
inducers
significant
pro-atherogenic
effects.
However,
mechanisms
through
which
affects
progression
AS
still
need
be
well-known.
This
review
summarizes
molecular
their
emerging
AS,
aimed
at
providing
novel,
promising
druggable
targets
anti-AS
therapy.
Journal of Biological Chemistry,
Год журнала:
2024,
Номер
300(4), С. 106793 - 106793
Опубликована: Фев. 24, 2024
RNA
5-methylcytosine
(m5C)
is
an
abundant
chemical
modification
in
mammalian
RNAs
and
plays
crucial
roles
regulating
vital
physiological
pathological
processes,
especially
cancer.
However,
the
dysregulation
of
m5C
its
underlying
mechanisms
non-small
cell
lung
cancer
(NSCLC)
remain
unclear.
Here
we
identified
that
NSUN2,
a
key
methyltransferase,
highly
expressed
NSCLC
tumor
tissue.
We
found
elevated
NSUN2
expression
levels
strongly
correlate
with
grade
size,
predicting
poor
outcomes
for
patients.
Furthermore,
RNA-seq
subsequent
confirmation
studies
revealed
antioxidant-promoting
transcription
factor
NRF2
target
depleting
decreases
increases
sensitivity
cells
to
ferroptosis
activators
both
vitro
vivo.
Intriguingly,
methylated-RIP-qPCR
assay
results
indicated
mRNA
has
higher
level
when
overexpressed
but
shows
no
significant
changes
methyltransferase-deficient
group.
Mechanistically,
confirmed
upregulates
by
enhancing
stability
through
within
5'UTR
region
recognized
specific
reader
protein
YBX1,
rather
than
influencing
translation.
In
rescue
experiments,
show
knocking
down
diminished
proliferation,
migration,
tolerance
mediated
overexpression.
conclusion,
our
study
unveils
novel
regulatory
mechanism
which
sustains
m5C-YBX1-axis,
suggesting
targeting
regulated
pathway
might
offer
promising
therapeutic
strategies
Journal of Nanobiotechnology,
Год журнала:
2023,
Номер
21(1)
Опубликована: Сен. 30, 2023
In
recent
years,
the
development
of
BMSCs-derived
exosomes
(EXO)
for
treatment
osteosarcoma
(OS)
is
a
safe
and
promising
modality
OS
treatment,
which
can
effectively
deliver
drugs
to
tumor
cells
in
vivo.
However,
differences
carried,
binding
EXOs
other
organs
limit
their
therapeutic
efficacy.
Therefore,
improving
OS-targeting
ability
BMSCs
developing
new
crucial
clinical
application
targeted
therapy
OS.In
this
study,
we
constructed
potential
nano
platform
by
modifying
using
bone-targeting
peptide
SDSSD
encapsulated
capreomycin
(CAP)
within
shell.
These
nanoparticles
(NPs)
showed
homologous
targeting
(BT-EXO)
significantly
promotes
cellular
endocytosis
vitro
accumulation
Furthermore,
our
results
revealed
that
NPs
induced
ferroptosis
prompting
excessive
reactive
oxygen
species
(ROS),
Fe2+
aggregation,
lipid
peroxidation
further
identified
anticancer
molecular
mechanism
as
transduced
Keap1/Nrf2/GPX4
signaling
pathway.
Also,
these
NP-directed
significant
inhibition
growth
vivo
with
no
side
effects.These
suggest
have
superior
activity
mouse
models
vivo,
providing
strategy
combining
ferroptosis-based
chemotherapy
OS.
Abstract
The
development
of
drug
resistance
remains
a
major
challenge
in
cancer
treatment.
Ferroptosis,
unique
type
regulated
cell
death,
plays
pivotal
role
inhibiting
tumour
growth,
presenting
new
opportunities
treating
chemotherapeutic
resistance.
Accumulating
studies
indicate
that
epigenetic
modifications
by
non-coding
RNAs
(ncRNA)
can
determine
vulnerability
to
ferroptosis.
In
this
review,
we
first
summarize
the
growth/development.
Then,
core
molecular
mechanisms
ferroptosis,
its
upstream
regulation,
and
downstream
effects
on
Finally,
review
recent
advances
understanding
how
ncRNAs
regulate
ferroptosis
from
such
modulate
This
aims
enhance
general
ncRNA-mediated
regulatory
which
highlighting
ncRNA-ferroptosis
axis
as
key
druggable
target
overcoming
Molecular Cell,
Год журнала:
2024,
Номер
84(23), С. 4645 - 4659.e9
Опубликована: Ноя. 14, 2024
Selenocysteine
(Sec)
metabolism
is
crucial
for
cellular
function
and
ferroptosis
prevention
begins
with
the
uptake
of
Sec
carrier,
selenoprotein
P
(SELENOP).
Following
uptake,
released
from
SELENOP
metabolized
via
selenocysteine
lyase
(SCLY),
producing
selenide,
a
substrate
selenophosphate
synthetase
2
(SEPHS2),
which
provides
essential
selenium
donor,
(H2SePO3-),
biosynthesis
Sec-tRNA.
Here,
we
discovered
an
alternative
pathway
in
mediated
by
peroxiredoxin
6
(PRDX6),
independent
SCLY.
Mechanistically,
demonstrate
that
PRDX6
can
readily
react
selenide
interact
SEPHS2,
potentially
acting
as
delivery
system.
Moreover,
functional
significance
this
route
human
cancer
cells,
revealing
notable
association
between
elevated
expression
MYCN-amplified
neuroblastoma
subtype.
Our
study
sheds
light
on
previously
unrecognized
aspect
its
implications
ferroptosis,
offering
further
possibilities
therapeutic
exploitation.