Cell Death and Differentiation,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 13, 2024
Abstract
The
impact
of
amino
acids
on
tumor
immunotherapy
is
gradually
being
uncovered.
In
this
study,
we
screened
various
essential
and
non-essential
found
that
methionine
enhances
mRNA
methylation
reduced
the
activation
Type
I
interferon
pathway
in
bladder
cancer.
Through
RNA
sequencing,
point
mutations,
MB49
mouse
models,
single-cell
demonstrated
high
levels
elevate
expression
m
6
A
reader
YTHDF1,
promoting
degradation
RIG-I,
thereby
inhibiting
RIG-I/MAVS-mediated
IFN-I
reducing
efficacy
immunotherapy.
Additionally,
immunoprecipitation
mass
spectrometry
revealed
YTHDF1
binds
to
eukaryotic
translation
initiation
factor
eIF5B,
which
acts
PD-L1
enhance
its
promote
immune
evasion.
By
intravesical
administration
oncolytic
bacteria
VNP20009,
effectively
depleted
locally,
significantly
prolonging
survival
enhancing
cell
infiltration
differentiation
within
tumors.
Multiplex
immunofluorescence
assays
cancer
patients
confirmed
our
findings.
Our
research
elucidates
two
mechanisms
by
inhibits
proposes
a
targeted
depletion
strategy
advances
while
minimizing
nutritional
patients.
Journal of Hematology & Oncology,
Год журнала:
2024,
Номер
17(1)
Опубликована: Авг. 16, 2024
Cuproptosis
is
a
newly
identified
form
of
cell
death
induced
by
excessive
copper
(Cu)
accumulation
within
cells.
Mechanistically,
cuproptosis
results
from
Cu-induced
aggregation
dihydrolipoamide
S-acetyltransferase,
correlated
with
the
mitochondrial
tricarboxylic
acid
cycle
and
loss
iron–sulfur
cluster
proteins,
ultimately
resulting
in
proteotoxic
stress
triggering
death.
Recently,
has
garnered
significant
interest
tumor
research
due
to
its
potential
as
crucial
therapeutic
strategy
against
cancer.
In
this
review,
we
summarized
cellular
molecular
mechanisms
relationship
other
types
Additionally,
reviewed
current
drugs
or
strategies
available
induce
cells,
including
Cu
ionophores,
small
compounds,
nanomedicine.
Furthermore,
targeted
metabolism
specific
regulatory
genes
cancer
therapy
enhance
sensitivity
cuproptosis.
Finally,
discussed
feasibility
targeting
overcome
chemotherapy
immunotherapy
resistance
suggested
future
directions.
This
study
that
could
open
new
avenues
for
developing
therapy.
Cellular & Molecular Biology Letters,
Год журнала:
2024,
Номер
29(1)
Опубликована: Июнь 25, 2024
Abstract
Cuproptosis,
a
newly
identified
copper
(Cu)-dependent
form
of
cell
death,
stands
out
due
to
its
distinct
mechanism
that
sets
it
apart
from
other
known
death
pathways.
The
molecular
underpinnings
cuproptosis
involve
the
binding
Cu
lipoylated
enzymes
in
tricarboxylic
acid
cycle.
This
interaction
triggers
enzyme
aggregation
and
proteotoxic
stress,
culminating
death.
specific
has
yet
be
fully
elucidated.
recognized
sparked
numerous
investigations
into
role
tumorigenesis
cancer
therapy.
In
this
review,
we
summarized
current
knowledge
on
metabolism
link
cancer.
Furthermore,
delineated
mechanisms
roles
cuproptosis-related
genes
Finally,
offered
comprehensive
discussion
most
recent
advancements
ionophores
nanoparticle
delivery
systems
utilize
as
cutting-edge
strategy
for
treatment.
Copper
is
a
vital
trace
element
in
human
physiology,
essential
for
the
synthesis
of
numerous
crucial
metabolic
enzymes
and
facilitation
various
biological
processes.
Regulation
copper
levels
within
narrow
range
imperative
maintaining
homeostasis.
Numerous
studies
have
demonstrated
significant
roles
homeostasis
cuproptosis
health
disease
pathogenesis.
However,
comprehensive
up-to-date
systematic
review
this
domain
remains
absent.
This
aims
to
consolidate
recent
advancements
understanding
disease,
focusing
on
underlying
mechanisms
potential
therapeutic
interventions.
Dysregulation
homeostasis,
manifesting
as
either
excess
or
deficiency,
implicated
etiology
diseases.
Cuproptosis,
recently
identified
form
cell
death,
characterized
by
intracellular
overload.
phenomenon
mediates
diverse
array
evolutionary
processes
organisms,
spanning
from
genetic
disorders,
liver
diseases,
neurodegenerative
cancers.
provides
summary
pathogenic
along
with
associated
targeted
agents.
Furthermore,
it
explores
future
research
directions
yield
treatment,
management,
prevention.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(34)
Опубликована: Июнь 5, 2024
Although
self-assembly
has
emerged
as
an
effective
tool
for
fabricating
biomaterials,
achieving
precise
control
over
the
morphologies
and
functionalities
of
resultant
assemblies
remains
ongoing
challenge.
Inspired
by
copper
peptide
naturally
present
in
human
plasma,
this
study,
we
designed
a
synthetic
precursor,
FcGH.
FcGH
can
self-assemble
via
two
distinct
pathways:
spontaneous
Cu
Biomarker Research,
Год журнала:
2024,
Номер
12(1)
Опубликована: Окт. 31, 2024
Copper
is
an
important
trace
element
for
maintaining
key
biological
functions
such
as
cellular
respiration,
nerve
conduction,
and
antioxidant
defense.
Maintaining
copper
homeostasis
critical
human
health,
its
imbalance
has
been
linked
to
various
diseases,
especially
cancer.
Cuproptosis,
a
novel
mechanism
of
copper-induced
cell
death,
provides
new
therapeutic
opportunities
metal
ion
regulation
interact
with
fate.
This
review
insights
into
the
complex
mechanisms
metabolism,
molecular
basis
cuproptosis,
association
cancer
development.
We
assess
role
cuproptosis-related
genes
(CRGs)
associated
tumorigenesis,
their
importance
prognostic
indicators
targets,
impact
on
tumor
microenvironment
(TME)
immune
response.
Ultimately,
this
highlights
interplay
between
copper,
immunotherapy.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Дек. 19, 2024
Radiotherapy
(RT)
is
a
primary
clinical
approach
for
cancer
treatment,
but
its
efficacy
often
hindered
by
various
challenges,
especially
radiation
resistance,
which
greatly
compromises
the
therapeutic
effectiveness
of
RT.
Mitochondria,
central
to
cellular
energy
metabolism
and
regulation
cell
death,
play
critical
role
in
mechanisms
radioresistance.
In
this
context,
cuproptosis,
novel
copper-induced
mitochondria-respiratory-dependent
death
pathway,
offers
promising
avenue
radiosensitization.
study,
an
innovative
theranostic
nanoplatform
was
designed
induce
cuproptosis
synergy
with
low-dose
therapy
(LDRT,
i.e.,
0.5–2
Gy)
treatment
situ
hepatocellular
carcinoma
(HCC).
This
aims
reverse
hypoxic
tumor
microenvironment,
promoting
shift
from
glycolysis
oxidative
phosphorylation
(OXPHOS),
thereby
enhancing
sensitivity
cuproptosis.
Concurrently,
Fenton-like
reaction
ensures
sustained
supply
copper
depletion
glutathione
(GSH),
inducing
disrupting
mitochondrial
function,
interrupting
supply.
strategy
effectively
overcomes
radioresistance
enhances
against
tumors.
conclusion,
study
elucidates
intricate
interactions
among
hypoxia
reversal,
metabolic
reprogramming,
radiosensitization,
particularly
context
treating
carcinoma,
providing
paradigm
radiotherapy.
DEAD-box
ATPase
10
(DDX10),
a
prominent
RNA-binding
protein
in
the
DDX
family,
has
critical
function
cancer
progression.
Nevertheless,
its
well-defined
mechanisms
oral
squamous
cell
carcinoma
(OSCC)
are
still
not
well
understood.
Here,
we
identify
that
DDX10
is
substantially
increased
OSCC,
which
positively
correlated
with
poor
prognosis
and
malignant
behavior.
Mechanistically,
found
had
physical
interaction
Rab27b
by
undergoing
phase
separation.
Knockdown
of
inhibited
Rab27b-mediated
exosome
secretion
expression
programmed
death-ligand
1
(PD-L1)
within
contents.
Furthermore,
knocking
down
could
restore
infiltration
T
cells,
hence
inhibiting
progression
OSCC.
These
findings
highlight
oncogenic
role
promoting
exosomal
PD-L1
via
separation
been
preliminarily
validated
exhaustion
A
potential
strategy
for
improving
OSCC
immunotherapy
may
involve
inhibition
DDX10.
Cell
membrane
coating
has
emerged
as
a
promising
strategy
for
the
surface
modification
of
biomaterials
with
biological
membranes,
serving
cloak
that
can
carry
more
functions.
The
cloaked
inherit
diverse
intrinsic
biofunctions
derived
from
different
cell
sources,
including
enhanced
biocompatibility,
immunity
evasion,
specific
targeting
capacity,
and
immune
regulation
regenerative
microenvironment.
characteristics
biomimicry
biointerfacing
have
demonstrated
versatility
technology
on
variety
biomaterials,
thus,
furthering
research
into
wide
range
biomedical
applications
clinical
translation.
Here,
preparation
coatings
is
emphasized,
sizes
coated
nanoscale
to
macroscale
well
engineering
strategies
introduce
additional
are
summarized.
Subsequently,
utilization
biomimetic
membrane-cloaked
in
discussed,
drug
delivery,
imaging
phototherapy,
cancer
immunotherapy,
anti-infection
detoxification,
implant
modification.
In
conclusion,
latest
advancements
preclinical
studies,
along
multiple
benefits
membrane-coated
nanoparticles
(NPs)
systems,
elucidated.
ABSTRACT
An
extracellular
acidic
environment
and
an
intracellular
mildly
alkaline
induced
by
carbonic
anhydrase
9
(CA9)
play
a
critical
role
in
self‐renewal,
invasion,
migration,
drug
resistance
of
cancer
stem
cells
(CSCs)
within
hypoxic
solid
tumors.
Here,
we
report
antitumor
strategy
leveraging
hyperbaric
oxygen
therapy
(HBO)
to
regulate
tumor
pH
boost
hydroxyethyl
starch‐doxorubicin‐copper
nanoparticles
(HHD‐Cu
NPs)
against
CSCs.
HBO
overcomes
hypoxia,
downregulates
pH‐regulatory
proteins
such
as
CA9,
leads
accumulation
metabolites.
As
result,
promotes
acidification
both
CSCs,
triggering
efficient
doxorubicin
release
the
potent
copper‐mediated
chemical
dynamic
effect
subsequently
administered
dual‐acid‐responsive
HHD‐Cu
NPs.
The
combination
with
NPs
not
only
eliminates
but
also
inhibits
altogether
leading
inhibition.
This
study
explores
new
function
clinical‐widely
used
establishes
novel
for
treating
CSCs
abundant
Angewandte Chemie,
Год журнала:
2024,
Номер
136(34)
Опубликована: Июнь 5, 2024
Abstract
Although
self‐assembly
has
emerged
as
an
effective
tool
for
fabricating
biomaterials,
achieving
precise
control
over
the
morphologies
and
functionalities
of
resultant
assemblies
remains
ongoing
challenge.
Inspired
by
copper
peptide
naturally
present
in
human
plasma,
this
study,
we
designed
a
synthetic
precursor,
FcGH.
FcGH
can
self‐assemble
via
two
distinct
pathways:
spontaneous
Cu
2+
‐induced.
These
assembly
pathways
enabled
formation
with
tunable
adjusting
amount
added
.
We
found
that
nanoparticles
formed
‐induced
exhibited
significantly
higher
cellular
uptake
efficiency
than
wormlike
fibers
spontaneously.
Moreover,
process
occurred
spontaneously
at
1
:
molar
ratio
to
FcGH,
avoiding
excessive
use
tedious
preparation
procedure.
By
co‐assembling
10‐hydroxycamptothecin
(HCPT)‐conjugated
supramolecular
nanodrugs
elicited
multiple
cell
death
modalities
cancer
cells
elevated
immunogenicity,
enhancing
therapeutic
effect
compared
free
HCPT.
This
study
highlights
efficient
directing
synergistic
tumor
therapy.