Biometallic ions and derivatives: a new direction for cancer immunotherapy
Lin Zhao,
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Yajun Gui,
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Jing Cai
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et al.
Molecular Cancer,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 15, 2025
Biometallic
ions
play
a
crucial
role
in
regulating
the
immune
system.
In
recent
years,
cancer
immunotherapy
has
become
breakthrough
treatment,
achieving
good
efficacy
wide
range
of
cancers
with
its
specificity
and
durability
advantages.
However,
existing
therapies
still
face
challenges,
such
as
tolerance
escape.
(e.g.
zinc,
copper,
magnesium,
manganese,
etc.)
can
assist
enhancing
through
activation
cells,
enhancement
tumor
antigen
presentation,
improvement
microenvironment.
addition,
biometallic
derivatives
directly
inhibit
cell
progression
offer
possibility
effectively
overcoming
limitations
current
by
promoting
responses
reducing
immunosuppressive
signals.
This
review
explores
potential
application
prospects
immunotherapy,
providing
new
ideas
for
future
clinical
metal
part
helping
to
guide
development
more
effective
safe
therapeutic
regimens.
Language: Английский
Single-atom–doped piezocatalyst induces copper-free cuproptosis in tumor therapy
M. Zhang,
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Xinran Song,
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Yu Qin
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et al.
Science Advances,
Journal Year:
2025,
Volume and Issue:
11(7)
Published: Feb. 14, 2025
Cuproptosis,
a
distinct
cell
death
pathway,
has
been
integrated
into
nanomedicine
for
disease
theranostics.
However,
current
nanosystems
inducing
cuproptosis
rely
on
exogenous
toxic
copper
ions,
limiting
the
scope
of
biomaterials.
Developing
nanoplatforms
that
induce
without
holds
substantial
promise.
Here,
we
engineered
two-dimensional
iron
(Fe)
single-atom–doped
molybdenum
disulfide
(MoS
2
)
piezocatalyst
(Fe-MoS
tumor
therapy.
Incorporating
single
Fe
atoms
enhances
MoS
piezoelectric
polarization
via
charge
redistribution
and
modulates
Mo
oxidation
states,
enabling
multifaceted
enzymatic
activities,
including
peroxidase-,
glutathione
oxidase–,
oxidase-,
catalase-like
activities.
Upon
ultrasound
stimulation,
Fe-MoS
nanocatalyst
generates
reactive
oxygen
species
depletes
synergistic
piezocatalytic
enzyocatalytic
effects,
disrupting
ion
homeostasis
cuproptosis,
concurrently
triggering
ferroptosis
ferritinophagy,
which
collectively
suppression.
This
study
represents
first
paradigm
to
introduce
copper-free
initiating
substantially
advancing
applications
in
Language: Английский
Nanotherapeutics for Macrophage Network Modulation in Tumor Microenvironments: Targets and Tools
Renwei Li,
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Jing Huang,
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Yuhao Wei
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et al.
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 13615 - 13651
Published: Dec. 1, 2024
Macrophage
is
an
important
component
in
the
tumor
immune
microenvironment,
which
exerts
significant
influence
on
development
and
metastasis.
Due
to
their
dual
nature
of
promoting
suppressing
inflammation,
macrophages
can
serve
as
both
targets
for
immunotherapy
tools
treating
malignancies.
However,
abundant
infiltration
tumor-associated
dominated
by
immunosuppressive
phenotype
maintains
a
pro-tumor
engineering
using
nanotechnology
manipulate
microenvironment
represent
feasible
approach
cancer
immunotherapy.
Additionally,
considering
phagocytic
specifically
tumor-targeting
capabilities
M1
macrophages,
manipulated
through
cellular
nanotechnology,
well
macrophage-derived
exosomes
macrophage
membranes,
also
become
effective
treatment.
In
conclusion,
nanotherapeutics
targeting
remains
immense
potential
macrophage-mediated
treatment
methods
will
further
enhance
our
understanding,
diagnosis,
various
malignants.
Language: Английский
Nanoformula Design for Inducing Non‐Apoptotic Cell Death Regulation: A Powerful Booster for Cancer Immunotherapy
Yi Hu,
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Qing Yu,
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Xia Li
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et al.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
14(2)
Published: Dec. 4, 2024
Abstract
Cancer
treatment
has
witnessed
revolutionary
advancements
marked
by
the
emergence
of
immunotherapy,
specifically
immune
checkpoint
blockade
(ICB).
However,
inherent
low
immunogenicity
tumor
cells
and
intricate
immunosuppressive
network
within
microenvironment
(TME)
pose
significant
challenges
to
further
development
immunotherapy.
Nanotechnology
ushered
in
unprecedented
opportunities
vast
prospects
for
Nevertheless,
traditional
nano‐formulations
often
rely
on
inducing
apoptosis
kill
cancer
cells,
which
encounters
issue
silencing,
hindering
effective
activation.
The
non‐apoptotic
modes
regulated
cell
death
(RCD),
including
pyroptosis,
ferroptosis,
autophagy,
necroptosis,
cuproptosis,
have
gradually
garnered
attention.
These
pathways
can
induce
immunogenic
(ICD),
enhancing
This
review
comprehensively
explores
advanced
nano‐formulation
design
strategies
their
applications
immunotherapy
promoting
RCD
recent
years.
It
also
discusses
potential
advantages
these
tumor‐specific
RCD.
By
deeply
understanding
significance
synergistic
this
article
provides
valuable
insights
developing
more
nano‐delivery
systems
that
robustly
highly
modes,
offering
novel
research
avenues
address
clinical
encountered
represented
ICB.
Language: Английский