The
inhibition
of
residual
tumor
recurrence
while
repairing
bone
defects
poses
a
challenging
issue
for
postoperative
osteosarcoma
treatment.
Here,
we
develop
self-assembling
peptide
hydrogel
(GelA)
the
targeted
delivery
cisplatin
(CDDP),
aiming
to
integrate
with
defect
repair.
GelA
exhibits
exceptional
biocompatibility,
high
loading
capacity
CDDP,
and
superior
adhesion.
After
in
situ
injection
defects,
CDDP-loaded
GelA-CDDP
demonstrates
strong
affinity
hydroxyapatite,
thereby
facilitating
optimal
adhesion
prolonging
retention
time
CDDP
wound.
Furthermore,
can
regulate
distribution
release
behavior
minimizing
off-target
effects
optimizing
therapeutic
outcomes
chemotherapy
osteogenesis.
Finally,
orthotopic
transplantation
model
mice,
treatment
significantly
inhibits
as
well
repair
through
synergistic
osteogenesis
promotion
osteoclastic
inhibition.
We
believe
that
this
hydrogel-based
therapy
strategy
holds
great
promise
achieving
simultaneous
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 16, 2024
The
combination
of
cuproptosis
and
immune
checkpoint
inhibition
has
shown
promise
in
treating
malignant
tumors.
However,
it
remains
a
challenge
to
deliver
copper
ions
inhibitors
efficiently
simultaneously
Herein,
mitochondria-targeted
nanoscale
coordination
polymer
particle,
Cu/TI,
comprising
Cu(II),
triphenylphosphonium
conjugate
5-carboxy-8-hydroxyquinoline
(TI),
for
effective
induction
programmed
cell
death-1
(PD-L1)
downregulation
is
reported.
Upon
systemic
administration,
Cu/TI
accumulates
tumor
tissues
induce
immunogenic
cancer
death
reduce
PD-L1
expression.
Consequently,
promotes
the
intratumoral
infiltration
activation
cytotoxic
T
lymphocytes
greatly
inhibit
progression
colorectal
carcinoma
triple-negative
breast
mouse
models
without
causing
obvious
side
effects.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(12), P. 8811 - 8826
Published: March 11, 2024
Immunotherapy
is
the
most
promising
systemic
therapy
for
hepatocellular
carcinoma.
However,
outcome
remains
poor.
Proprotein
convertase
subtilisin/kexin
type
9
(PCSK9)
plays
a
role
in
altering
cell-surface
protein
levels,
potentially
undermining
efficacy
of
immunotherapy
against
tumors.
This
highlights
its
potential
as
target
antitumor
therapy.
Herein,
CaCO3-based
nanoparticles
coencapsulated
with
DOX,
an
immunogenic
cell
death
(ICD)
inducer,
and
evolocumab
was
developed
to
enhanced
immunotherapy.
The
obtained
DOX/evolocumab-loaded
CaCO3
nanoparticle
(named
DECP)
exhibits
good
capacity
acid
neutralization
causes
ICD
cancer
cells.
In
addition,
DECP
able
evaluate
level
MHC-I,
biomarker
that
correlates
positively
patients'
overall
survival.
Upon
intravenous
injection,
accumulates
within
tumor
site,
leading
growth
inhibition
hepa1-6
bearing
subcutaneous
Specifically,
treatment
augmented
ratios
matured
dendritic
cells,
tumor-infiltrating
CD8+
T
cells
natural
killing
while
concurrently
depleting
Foxp3+
regulatory
Peritumoral
delivery
enhances
immune
response
distant
tumors
effects
when
combined
αPD-L1
bilateral
model.
study
presents
multiple
immunomodulatory
strategies
carcinoma
by
targeting
PCSK9
modulating
homeostasis
unfavorable
TME.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(3)
Published: Nov. 29, 2023
Abstract
Hydrogels
are
prevailing
drug
delivery
depots
to
improve
antitumor
efficacy
and
reduce
systemic
toxicity.
However,
the
application
of
conventional
free
drug‐loaded
hydrogel
is
hindered
by
poor
penetration
in
solid
tumors.
Here,
an
injectable
ferritin‐based
nanocomposite
constructed
facilitate
tumor
cancer
chemoimmunotherapy.
Specifically,
doxorubicin‐loaded
human
ferritin
(Dox@HFn)
oxidized
dextran
(Dex‐CHO)
used
construct
(Dox@HFn
Gel)
through
formation
pH‐sensitive
Schiff‐base
bonds.
After
peritumoral
injection,
Dox@HFn
Gel
retained
locally
for
up
three
weeks,
released
intact
gradually,
which
can
not
only
active
transcytosis
but
also
induce
immunogenic
cell
death
(ICD)
cells
generate
immune
response.
Combining
with
anti‐programmed
death‐1
antibody
(αPD‐1),
induces
remarkable
regression
orthotopic
4T1
breast
tumors,
further
elicits
a
strong
anti‐tumor
response
effectively
suppress
recurrence
lung
metastasis
tumors
after
surgical
resection.
Besides,
combination
L
anti‐CD47
(αCD47)
inhibits
postsurgical
aggressive
glioblastoma
model
significantly
extends
mice
survival.
This
work
sheds
light
on
construction
local
hydrogels
potentiate
improved
therapy.
International Journal of Oncology,
Journal Year:
2024,
Volume and Issue:
64(6)
Published: May 9, 2024
Hepatocellular
carcinoma
(HCC),
one
of
the
leading
causes
cancer‑related
mortality
worldwide,
is
challenging
to
identify
in
its
early
stages
and
prone
metastasis,
prognosis
patients
with
this
disease
poor.
Treatment
options
for
HCC
are
limited,
even
radical
treatments
being
associated
a
risk
recurrence
or
transformation
short
term.
Furthermore,
multi‑tyrosine
kinase
inhibitors
approved
first‑line
therapy
have
marked
drawbacks,
including
drug
resistance
side
effects.
The
rise
breakthrough
immune
checkpoint
(ICIs)
provided
novel
direction
immunotherapy
but
these
drawback
low
response
rates.
Since
avoiding
apoptosis
universal
feature
cancer,
induction
non‑apoptotic
regulatory
cell
death
(NARCD)
strategy
immunotherapy.
At
present,
NARCD
pathways,
ferroptosis,
pyroptosis
necroptosis,
potential
forms
immunogenic
death,
which
synergistic
effects
antitumor
immunity,
transforming
'cold'
tumors
into
'hot'
exerting
Therefore,
pathways
may
be
targeted
as
treatment
HCC.
In
present
review,
roles
necroptosis
immunity
discussed,
relevant
targets
signaling
current
status
combined
ICIs
summarized.
prospects
targeting
also
considered.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(9)
Published: Dec. 25, 2023
Abstract
Hepatocellular
carcinoma
(HCC)
is
acknowledged
as
an
immunosuppressive
neoplasm,
whereby
the
inactive
microenvironment
facilitates
immune
tolerance
and
evasion
of
HCC.
Post‐surgical
resected
liver
cancer
exhibits
a
proclivity
for
relapse,
rendering
prevention
recurrence
challenging
it
may
transpire
at
any
point
subsequent
to
surgery.
Among
various
anti‐recurrence
interventions,
primary
clinical
approach
involving
administration
regimens
atezolizumab
bevacizumab
(A+T)
deemed
most
efficacious
in
reversing
tumor
microenvironment,
albeit
still
lacking
complete
satisfaction.
Therefore,
objective
utilize
recently
developed
block
copolymer
protective
carrier
two
specific
monoclonal
antibody
drugs.
Subsequently,
modified
hemostatic
hydrogel
will
be
synthesized
application
during
hepatic
The
immunotherapy
impact
this
significantly
prolonged
intensified
due
combined
hemostasis
properties
controlled
release
constituents
within
nanocomposite
hydrogel.
Furthermore,
these
hydrogels
exhibit
remarkable
efficacy
preventing
postoperative
wound
bleeding
substantially
enhancing
safety
resection.
This
research
on
system
presents
novel
therapeutic
addressing
local
cancer,
potentially
offering
substantial
contribution
field
surgical
treatment
future.
Biomolecules,
Journal Year:
2024,
Volume and Issue:
14(9), P. 1161 - 1161
Published: Sept. 16, 2024
Dendritic
cells
(DCs)
are
antigen-presenting
that
play
a
crucial
role
in
initiating
immune
responses
by
cross-presenting
relevant
antigens
to
initial
T
cells.
The
activation
of
DCs
is
step
inducing
anti-tumor
immunity.
Upon
recognition
and
uptake
tumor
antigens,
activated
present
these
naive
cells,
thereby
stimulating
cell-mediated
enhancing
their
ability
attack
tumors.
It
particularly
noted
able
cross-present
foreign
major
histocompatibility
complex
class
I
(MHC-I)
molecules,
prompting
CD8+
proliferate
differentiate
into
cytotoxic
In
the
malignant
progression
hepatocellular
carcinoma
(HCC),
inactivation
plays
an
important
role,
anti-HCC
immunotherapy.
this
review,
we
summarize
mechanisms
HCC,
involved
regulatory
factors
strategies
activate
HCC
provides
basis
for
study
immunotherapy
through
activation.