Colloids and Surfaces B Biointerfaces,
Год журнала:
2024,
Номер
243, С. 114128 - 114128
Опубликована: Июль 26, 2024
Plasmonic
photothermal
therapy
(PPTT)
employing
plasmonic
gold
nanorods
(GNRs)
presents
a
potent
strategy
for
eradication
of
tumors
including
aggressive
brain
gliomas.
Despite
its
promise,
there
is
pressing
need
more
comprehensive
evaluation
PPTT
using
sophisticated
in
vitro
models
that
closely
resemble
tumor
tissues,
thereby
facilitating
the
elucidation
therapeutic
mechanisms.
In
this
study,
we
exposed
3D
glioma
spheroids
(tumoroids)
to
(16-mercaptohexadecyl)trimethylammonium
bromide-functionalized
(MTAB-GNRs)
and
near-infrared
(NIR)
laser.
We
demonstrate
effect
can
be
fine-tuned
by
adjusting
nanoparticle
concentration
laser
power.
Depending
on
selected
parameters,
trigger
either
regulated
or
non-regulated
cell
death
(necrosis)
both
mouse
GL261
human
U-87
MG
lines,
accompanied
translocation
phosphatidylserine
membrane.
Our
investigation
into
mechanism
induced
revealed
an
absence
markers
associated
with
classical
apoptosis
pathways,
such
as
cleaved
caspase
3.
Instead,
observed
presence
1,
gasdermin
D,
elevated
levels
NLRP3
NIR-irradiated
tumoroids,
indicating
activation
pyroptosis.
This
finding
correlates
previous
observations
lysosomal
accumulation
MTAB-GNRs
known
pathway
pyroptosis
activation.
further
confirmed
toxic
breakdown
products
GNRs
electron
microscopy,
which
showed
no
melting
fragmentation
nanoparticles
under
conditions
causing
death.
conclusion,
coated
offers
significant
potential
elimination
occurring
through
rather
than
pathways.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Despite
the
promising
clinical
applications
of
immunotherapy,
its
effectiveness
is
often
limited
by
low
immune
responses
and
tumor
escape.
In
this
study,
we
introduce
a
simple
drug-free
inorganic
nanomaterial,
sodium
succinate
(C4H4Na2O4
NPs),
prepared
using
rapid
microemulsion
method
to
enhance
cancer
immunotherapy.
The
synthesized
C4H4Na2O4
NPs
can
release
high
concentrations
Na+
ions
into
cells,
leading
an
increase
in
intracellular
osmolarity.
This
triggers
pyroptosis
pathway,
resulting
cellular
contents,
inflammatory
factors,
damage-associated
molecular
patterns,
which
ultimately
boost
responses.
Furthermore,
inhibit
escape
through
upregulating
major
histocompatibility
complex-I
(MHC-I)
expression.
Collectively,
significantly
growth
metastasis
pyroptosis-induced
activation
MHC-I
expression
upregulation-remitted
research
offers
novel
approach
treatment
that
leverages
pyroptosis,
demonstrating
potential
for
application
Abstract
Cell
death
regulation
is
essential
for
tissue
homeostasis
and
its
dysregulation
often
underlies
cancer
development.
Understanding
the
different
pathways
of
cell
can
provide
novel
therapeutic
strategies
battling
cancer.
This
review
explores
several
key
mechanisms
apoptosis,
necroptosis,
autophagic
death,
ferroptosis,
pyroptosis.
The
research
gap
addressed
involves
a
thorough
analysis
how
these
be
precisely
targeted
therapy,
considering
tumor
heterogeneity
adaptation.
It
delves
into
genetic
epigenetic
factors
signaling
cascades
like
phosphatidylinositol
3‐kinase/protein
kinase
B/mammalian
target
rapamycin
(PI3K/AKT/mTOR)
mitogen‐activated
protein
kinase/extracellular
signal‐regulated
(MAPK/ERK)
pathways,
which
are
critical
death.
Additionally,
interaction
microenvironment
with
cells,
particularly
influence
hypoxia,
nutrient
deprivation,
immune
cellular
interactions,
explored.
Emphasizing
strategies,
this
highlights
emerging
modulators
inducers
such
as
B
lymphoma
2
(BCL2)
homology
domain
3
(BH3)
mimetics,
tumour
necrosis
factor‐related
apoptosis‐inducing
ligand
(TRAIL),
chloroquine,
innovative
approaches
to
induce
ferroptosis
provides
insights
therapy's
future
direction,
focusing
on
multifaceted
circumvent
drug
resistance.
examination
evolving
underlines
considerable
clinical
potential
continuous
necessity
in‐depth
exploration
within
scientific
domain.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(12)
Опубликована: Фев. 1, 2024
Pyroptosis
is
an
effective
anti-tumor
strategy.
However,
monometallic
pyroptosis
biotuners
have
not
been
explored
until
now.
Here,
we
discover
for
the
first
time
that
biodegradable
Al
can
act
as
a
biotuner
tumor
therapy.
pH-sensitive
nanoparticles
(Al@P)
are
obtained
by
equipping
polyethylene
glycol-b-(poly(methyl
methacrylate)-co-poly(4-vinylpyridine),
which
exert
their
effect
at
site
without
affecting
normal
cells.
The
H
Disease Models & Mechanisms,
Год журнала:
2025,
Номер
18(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Owing
to
their
high
efficacy,
antimitotic
chemotherapeutics
are
the
mainstay
for
most
cancer
treatments.
However,
these
drugs
do
not
discriminate
between
tumor
and
healthy
cells,
thus
show
dose-limiting
toxicity
severe
adverse
effects.
To
improve
treatments,
rendering
tumor-cell
specific
is
highly
desirable.
Although
various
strategies,
such
as
targeted
antibody–drug
conjugates,
aim
achieve
this
goal,
identification
of
a
tumor-specific
‘Achilles'
heel’
remains
challenge.
Here,
we
followed
an
alternative
approach,
which
does
rely
on
characteristics,
but
rather
uses
spatially
confined
illumination
light-activatable
microtubule
inhibitor
SBTubA4P
target
its
cytotoxic
activity
cells.
We
demonstrate
that
localized
allows
precise
eradication
disseminated
sarcoma
cells
in
zebrafish
xenografts
without
inducing
systemic
toxicity.
In
addition
already-described
light-dependent
inhibition
dynamics
by
SBTubA4P,
our
data
indicate
molecule
creates
reactive
oxygen
species
upon
UV
illumination,
significantly
increases
valuable
precision
oncology
toolbox,
constitute
well-suited
model
investigate
photoactivatable
compounds
vivo.
Journal of Inflammation Research,
Год журнала:
2025,
Номер
Volume 18, С. 3349 - 3360
Опубликована: Март 1, 2025
Pyroptosis
is
a
unique
form
of
programmed
cell
death
characterized
by
intense
inflammation.
It
involves
the
activation
Gasdermin
proteins,
which
membrane
pores,
leading
to
rapid
rupture
and
release
inflammatory
molecules.
Unlike
other
types
death,
pyroptosis
has
distinct
mechanisms
plays
complex
role
in
chronic
intestinal
diseases,
including
bowel
disease,
fibrosis,
infectious
enteritis,
colorectal
cancer.
This
review
comprehensively
examines
how
influences
disease
development
progression
while
exploring
therapeutic
potential
targeting
pyroptosis-related
pathways.
Moreover,
interplay
between
gut
microbiota
summarized,
highlighting
its
critical
pathogenesis
disorders.
A
deeper
understanding
these
diseases
may
provide
valuable
insights
for
future
research
contribute
innovative
strategies
gastroenterology.
Biomedicines,
Год журнала:
2024,
Номер
12(7), С. 1546 - 1546
Опубликована: Июль 11, 2024
In
addition
to
necrosis
and
apoptosis,
the
two
forms
of
cell
death
that
have
been
known
for
many
decades,
other
non-apoptotic
discovered,
which
also
play
a
role
in
tumors.
Starting
with
description
autophagy
more
than
60
years
ago,
newer
become
important
biology
tumors,
such
as
ferroptosis,
pyroptosis,
necroptosis,
paraptosis.
this
review,
all
oncologically
relevant
programmed
are
presented,
starting
their
first
descriptions,
molecular
characteristics,
interactions
physiology
pathophysiology.
Based
on
these
current
state
knowledge
about
alterations
gliomas
will
be
presented.
addition,
efforts
therapeutically
influence
components
discussed.
Although
research
into
exact
is
still
at
rather
early
stage,
our
review
clarifies
show
significant
insight
understanding
them
has
already
gained.
ACS Materials Letters,
Год журнала:
2024,
Номер
6(9), С. 4282 - 4290
Опубликована: Авг. 20, 2024
Copper
overload
shows
promise
as
a
therapeutic
strategy
by
disrupting
copper
homeostasis
and
inducing
cell
death
pathways.
However,
challenges
include
the
expulsion
of
excess
from
cells.
This
study
introduces
ZCCP
NPs,
three-metal
MOF
nanoparticles
that
amplify
reactive
oxygen
species
(ROS)
to
enhance
cellular
uptake
reduce
efflux.
In
tumor
microenvironment,
NPs
decompose
in
response
H+
glutathione
(GSH),
releasing
Zn
Co
ions
increase
intracellular
ROS.
Additionally,
TMPyP
ligand
converts
Phlorin
under
near-infrared
(NIR)
excitation,
raising
site
temperature
increasing
cancer
susceptibility
cuproptosis.
Elevated
ROS
activate
NLRP3
inflammasome
Caspase-1,
leading
gasdermin
D
cleavage
pyroptosis.
Enhanced
generation
impairs
mitochondrial
function
reduces
efflux
protein
ATP7A
expression,
promoting
combines
pyroptosis
cuproptosis
for
effective
treatment.
Angewandte Chemie,
Год журнала:
2024,
Номер
136(12)
Опубликована: Фев. 1, 2024
Abstract
Pyroptosis
is
an
effective
anti‐tumor
strategy.
However,
monometallic
pyroptosis
biotuners
have
not
been
explored
until
now.
Here,
we
discover
for
the
first
time
that
biodegradable
Al
can
act
as
a
biotuner
tumor
therapy.
pH‐sensitive
nanoparticles
(Al@P)
are
obtained
by
equipping
polyethylene
glycol‐
b
‐(poly(methyl
methacrylate)‐co‐poly(4‐vinylpyridine),
which
exert
their
effect
at
site
without
affecting
normal
cells.
The
H
2
and
3+
release
Al@P
in
acidic
environment
of
tumors
disrupts
redox
balance
ionic
homeostasis
cells,
thus
generating
large
amounts
reactive
oxygen
species
(ROS),
leading
to
caspase‐1
activation,
gasdermin
D
cleavage,
IL‐1β/LDH
release,
induces
canonical
pyroptotic
death.
Meanwhile,
prodrug
Doxorubicin
(Pro‐DOX)
successfully
loaded
onto
(Al@P‐P)
be
activated
ROS
DOX
further
improving
tumor‐killing
efficiency.
Ultimately,
Al@P‐P
degradable
exhibits
efficient
inhibition.