Biomedical Materials,
Journal Year:
2024,
Volume and Issue:
19(6), P. 065025 - 065025
Published: Oct. 2, 2024
Chemodynamic
therapy
(CDT)
is
a
new
method
for
cancer
treatment
that
produces
highly
toxic
reactive
oxygen
species
(ROS)
in
the
tumor
microenvironment
to
induce
cell
apoptosis
or
necrosis.
However,
therapeutic
effect
of
CDT
often
hindered
by
intracellular
H
Advanced Healthcare Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
Metal‐protein
hybrid
materials
represent
a
novel
class
of
functional
that
exhibit
exceptional
physicochemical
properties
and
tunable
structures,
rendering
them
remarkable
applications
in
diverse
fields,
including
engineering,
biocatalysis,
biosensing,
biomedicine.
The
design
development
multifunctional
biocompatible
metal‐protein
have
been
the
subject
extensive
research
key
aspiration
for
practical
clinical
settings.
This
review
provides
comprehensive
analysis
strategies,
intrinsic
properties,
biomedical
these
materials,
with
specific
emphasis
on
their
potential
cancer
therapy,
drug
vaccine
delivery,
antibacterial
treatments,
tissue
regeneration.
Through
rational
design,
stable
can
be
synthesized
using
straightforward
methods,
enabling
therapeutic,
immunomodulatory,
other
desired
functionalities.
Finally,
outlines
existing
limitations
challenges
associated
evaluates
translation,
providing
insights
into
implementation
within
applications.
Journal of Materials Chemistry B,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Vanadium
is
a
bioactive
trace
element
with
variable
valence.
Its
pentavalent
form
has
been
confirmed
to
be
capable
of
predominantly
regulating
the
early
and
mid-stage
osteogenic
differentiation
bone
marrow
mesenchymal
stem
cells
(BMSCs)
without
tumor
inhibition,
while
its
tetravalent
exhibits
inhibition
but
only
primarily
modulates
late
angiogenesis.
In
this
study,
multifunctional
tissue
scaffold
consisting
mixed-valence
vanadium-doped
mesoporous
glass
poly(lactic-co-glycolic
acid)
(V(IV/V)-MBG/PLGA)
was
developed
simultaneously
inhibit
recurrence
osteosarcoma
promote
regeneration
operative
defects.
The
in
vitro
results
showed
that
V(IV)
V(V)
species
could
sustainably
released
from
V(IV/V)-MBG
complementarily
enhance
proliferation,
differentiation,
mineralization
BMSCs
by
activating
multiple
signaling
pathways
throughout
whole
osteogenesis
process.
More
importantly,
co-existence
mixed-valent
vanadium
able
continuously
stimulate
generation
excessive
ROS
depletion
GSH
synergistically
supplying
an
appropriate
ratio
thermodynamically
kinetically
maintain
stable
self-circulation
valence
state
alteration,
thus
inducing
UMR-106
cell
death.
rat
model,
V(IV/V)-MBG/PLGA
scaffolds
effectively
suppressed
invasion
promoted
regeneration.
These
suggest
are
promising
strategy
for
treating
tumor-associated
defects,
offering
dual
Gels,
Journal Year:
2025,
Volume and Issue:
11(3), P. 218 - 218
Published: March 20, 2025
Diffuse
large
B-cell
lymphoma
(DLBCL),
accounting
for
31%
of
non-Hodgkin
lymphomas,
remains
recalcitrant
to
conventional
therapies
due
chemoresistance,
metastatic
progression,
and
immunosuppressive
microenvironments.
We
report
a
novel
injectable
Fe3O4@DMSA@Pt@PLGA-PEG-PLGA
hydrogel
system
integrating
magnetothermal
therapy
(MHT),
chemodynamic
(CDT),
immunomodulation.
Under
alternating
magnetic
fields
(AMF),
the
achieves
rapid
therapeutic
hyperthermia
(50
°C
within
7
min)
while
activating
pH/temperature-dual
responsive
peroxidase
(POD)
-like
activity
in
Fe3O4@DMSA@Pt
nanoparticles.
Catalytic
efficiency
under
tumor-mimetic
conditions
was
significantly
higher
than
Fe3O4@DMSA
controls,
generating
elevated
reactive
oxygen
species
(ROS).
Flow
cytometry
revealed
75.9%
apoptotic
cell
death
A20
cells
at
50
°C,
surpassing
CDT
alone
(24.5%).
Importantly,
this
dual
mechanism
induced
immunogenic
(ICD)
characterized
by
4.1-fold
CRT
externalization,
68%
HMGB1
nuclear
depletion,
40.74
nM
ATP
secretion.
This
triggered
robust
dendritic
maturation
(92%
CD86+/CD80+
DCs
comparable
LPS
controls)
T
activation
(16.9%
CD25+/CD69+
ratio,
130-fold
baseline).
Our
findings
validate
potential
magnetothermal-chemodynamic
synergy
DLBCL
treatment,
paving
way
innovative
multi-mechanism
strategies
against
with
clinical
translation
prospects.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Targeted
delivery
of
therapeutic
agents
to
malignant
tissues
is
crucial
for
enhancing
clinical
outcomes
and
reducing
side
effects.
Magnetic
nanorobots
(MNRs)
present
a
promising
strategy
controlled
delivery,
leveraging
external
magnetic
fields
achieve
precise
in
vivo
targeting.
This
work
develops
elongated
MNRs
comprising
linearly
arranged
nanoparticles
linked
by
metal-polyphenol
complexes
(MPCs)
magnetic-field-directed
active
tumor
targeting
synergistic
therapy.
The
are
created
assembling
30
nm
Fe3O4
nanoparticles,
tannic
acid,
ferrous
ions
(Fe2+)
under
uniform
field,
resulting
chain-like
structures
fixed
MPCs,
which
also
promotes
peroxidase-like
activity.
These
show
greater
response
than
individual
offering
flexibility
manipulation.
MPCs
coating
allows
tailored
surface
modifications
with
glucose
oxidase,
copper
(Cu2+),
human
serum
albumin
(HSA),
producing
colloidally
stable
built-in
multienzymatic
cascade
(MNRs@GOx/Cu/HSA)
that
consumes
glucose,
generates
•OH,
depletes
the
antioxidant
glutathione
(GSH).
Collectively,
surface-engineered
multifunctional
demonstrate
improved
driven
fields,
leading
efficient
localized
chemodynamic
structural
functional
properties
developed
render
them
suitable
targeted
cargo
minimally
invasive
surgery,
treatments
disease
sites.