Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 24, 2024
Abstract
The
context
of
long
noncoding
RNAs
(lncRNAs)
contains
many
unannotated
open
reading
frames
(ORFs).
These
ORFs
potentially
encode
novel
proteins
or
peptides
with
crucial
roles
in
various
human
cancers,
yet
the
translational
potential
these
lncRNAs
and
functions
protein
products
remain
largely
unexplored,
especially
gastric
cancer
(GC).
In
this
study,
a
comprehensive
analysis
is
performed
identified
GC
associated
lncRNA
known
as
HCP5,
which
non‐canonical
ORF.
Further
showed
that
HCP5‐132aa,
microprotein
encoded
by
HCP5
harboring
ORF,
highly
expressed
cells
tissues,
can
promote
proliferation
inhibiting
ferroptosis.
Mechanistically,
HCP5‐132aa
enhances
interaction
between
YBX1
ELAVL1,
facilitates
recognition
at
m
5
C
site
3′UTR
SLC7A11
G6PD
mRNA,
preserves
their
stability
via
ELAVL1.
By
employing
Cas9/sgRNA
delivery
system
AAV
vivo,
effectively
knocked
out
inhibition
tumor
growth
patient‐derived
xenograft
model
are
achieved.
findings
demonstrate
derived
from
mediates
repression
ferroptosis,
thereby
driving
progression
identifying
new
therapeutic
target
for
its
treatment.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: March 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,
Journal Year:
2024,
Volume and Issue:
171, P. 116112 - 116112
Published: Jan. 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,
Journal Year:
2024,
Volume and Issue:
300(4), P. 106793 - 106793
Published: Feb. 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,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Sept. 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.
Molecular Cancer,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Aug. 27, 2024
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