Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
17(2), P. 166 - 166
Published: Jan. 26, 2025
Background:
Photothermal
therapy
has
the
potential
to
enhance
precision
and
safety
of
oncological
treatments.
However,
applicable
photothermal
agents
associated
with
its
activated
immunogenic
cell
death
remain
exploiting.
Methods:
This
study
evaluates
effectiveness
IR813,
a
agent,
combined
near-infrared
(NIR)
light
for
cancer
treatment.
In
vitro,
4T1
cells
were
treated
IR813
(5
μg/mL)
exposed
NIR
irradiation
(1
W/cm2)
5
min.
vivo,
after
tumor-bearing
mice
administered
mg/kg)
10
min,
tumor
volume,
survival
immune
activation
evaluated.
Results:
significantly
increased
cytotoxicity
following
irradiation,
resulting
in
release
damage-associated
molecular
patterns
death.
Specifically,
viability
was
reduced
5%
compared
control
group.
irradiating
accumulation
at
site
had
mediate
substantial
suppression,
improved
mouse
survival,
metastasis,
minimal
adverse
reactions.
Furthermore,
responses
stimulated
by
IR813-induced
evidenced
mature
dendritic
cytotoxic
T
lymphocyte
counts
decrease
regulatory
spleen,
tumor,
lymph
nodes.
Conclusions:
These
findings
suggest
that
is
promising
approach
enhancing
immunotherapy,
directly
inhibiting
tumors
while
boosting
systemic
anti-cancer
immunity.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(30)
Published: Aug. 16, 2023
The
majority
of
patients
with
human
epidermal
growth
factor
receptor
2
(Her2)-positive
gastric
cancer
develop
refractory
to
Her2-targeted
therapy,
where
upregulation
immune
checkpoints
plays
an
essential
role.
Herein,
a
recombinant
fully
IgG1
bispecific
antibody
IBI315
targeting
both
PD-1
and
Her2
is
developed
its
antitumor
efficacy
as
well
the
underlying
mechanism
investigated.
crosslinks
physical
interaction
between
Her2-positive
tumor
cells
PD-1-positive
T
cells,
resulting
in
significantly
enhanced
effects
compared
each
parent
or
their
combination,
vitro
vivo
mouse
models
reconstituted
using
patient-derived
xenografts
organoids.
Moreover,
treatment
also
induces
recruitment
activation
tumors.
Mechanistically,
triggers
gasdermin
B
(GSDMB)-mediated
pyroptosis
leading
recruiments
cells.
activated
secret
IFNγ,
enhancing
GSDMB
expression
establishing
positive
feedback
loop
cell
killing.
Notably,
found
be
elevated
providing
rationale
for
IBI315's
efficacy.
supported
here
promising
antibody-based
immunotherapy
approach
preclinical
studies,
broadening
therapeutic
landscape
this
patient
population.
Drug Delivery and Translational Research,
Journal Year:
2024,
Volume and Issue:
14(11), P. 3032 - 3054
Published: April 13, 2024
Cell-mediated
nanoparticle
delivery
systems
(CMNDDs)
utilize
cells
as
carriers
to
deliver
the
drug-loaded
nanoparticles.
Unlike
traditional
drug
approaches,
CMNDDs
take
advantages
of
cell
characteristics,
such
homing
capabilities
stem
cells,
inflammatory
chemotaxis
neutrophils,
prolonged
blood
circulation
red
and
internalization
macrophages.
Subsequently,
can
easily
prolong
circulation,
cross
biological
barriers,
blood-brain
barrier
bone
marrow-blood
barrier,
rapidly
arrive
at
diseased
areas.
Such
advantageous
properties
make
promising
candidates
for
precision
targeting.
In
this
review,
we
summarize
recent
advances
in
fabrication
biomedical
applications.
Specifically,
ligand-receptor
interactions,
non-covalent
covalent
are
commonly
applied
constructing
vitro.
By
hitchhiking
macrophages,
monocytes,
platelets,
nanoparticles
be
internalized
or
attached
construct
vivo.
Then
highlight
application
treating
different
diseases,
cancer,
central
nervous
system
disorders,
lung
cardiovascular
with
a
brief
discussion
about
challenges
future
perspectives
end.
Materials Today Bio,
Journal Year:
2023,
Volume and Issue:
23, P. 100845 - 100845
Published: Oct. 27, 2023
Combination
immunotherapy
of
cancer
vaccines
with
immune
checkpoint
inhibitors
(ICIs)
represents
a
promising
therapeutic
strategy
for
immunosuppressed
and
cold
tumors.
However,
this
still
faces
challenges,
including
the
limited
efficacy
immune-related
adverse
events
associated
systematic
delivery
ICIs.
Herein,
we
demonstrate
antitumor
response
induced
by
outer
membrane
vesicle
from
Akkermansia
muciniphila
(Akk-OMV),
which
exhibites
favorable
safety
profile,
highlighting
potential
application
as
natural
biocompatible
self-adjuvanting
vesicle.
Utilizing
tumor
cell-derived
exosome
an
antigen
source
Akk-OMV
adjuvant,
construct
vaccine
formulation
extracellular
vesicles
hybrid
lipid
nanovesicles
(Lipo@HEV)
enhanced
prophylactic
vaccination
promoting
dendritic
cell
(DC)
maturation
in
lymph
node
activating
cytotoxic
T
(CTL)
response.
The
Lipo@HEV
is
further
loaded
plasmid
to
enable
gene
therapy-mediated
PD-L1
blockade
upon
peritumoral
injection.
Meanwhile,
it
penetrates
into
initiate
DC
CTL
activation,
synergistically
inhibiting
established
tumor.
fabrication
plasmid-loaded
reveals
therapy-guided
vesicle-based
system
synergistic
strategy.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: May 25, 2024
Abstract
The
vigorous
development
of
cancer
nanomedicine
has
revolutionized
traditional
oncology
medicine,
but
it
is
also
limited
by
the
continuous
mutation
cunning
cells,
leading
to
apoptosis
insensitivity
and
therapeutic
disappointment.
Inflammatory‐regulated
cell
death
(RCD),
especially
pyroptosis‐related
death,
demonstrates
huge
potential
for
sensitization
due
its
unique
biochemical
characteristics.
aim
this
research
present
a
thorough
synopsis
current
knowledge
on
pyroptosis‐associated
inflammatory
including
pyroptosis,
cuproptosis,
PANoptosis,
synergistic
function
in
nano
therapy.
Paradigm
studies
death‐mediated
apoptosis‐sensitizing
tumor
nanotherapeutics
are
introduced
detail,
coordination
mechanisms
based
nanomaterials
discussed.
In
addition,
multi‐angle
analysis
future
prospects
pyroptosis‐sensitized
various
emphasized
further
expand
application
scope
RCD.
It
believed
that
emerging
auxiliary
treatments
RCD
will
greatly
promote
progress
nanomedicine.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(44)
Published: Oct. 9, 2024
Abstract
Immunotherapy
represents
a
widely
employed
modality
in
clinical
oncology,
leveraging
the
activation
of
human
immune
system
to
target
and
eradicate
cancer
cells
tumor
tissues
via
endogenous
mechanisms.
However,
its
efficacy
remains
constrained
by
inadequate
responses
within
“cold”
microenvironment
(TME).
In
this
study,
multifunctional
nanoscale
pyroptosis
inducer
with
cascade
enzymatic
activity
(IMZF),
comprising
superoxide
dismutase
(SOD),
catalase
(CAT),
peroxidase
(POD),
glutathione
oxidase
(GSHO
x
),
is
dissociated
acidic
glutathione‐rich
TME.
The
vigorous
not
only
generates
oxygen
(O
2
)
alleviate
hypoxia
promote
M2
M1
macrophage
polarization
but
also
yields
reactive
species
(ROS)
depletes
(GSH)
Functioning
as
an
immunogenic
cell
death
(ICD)
activator
inducer,
IMZF
synergistically
triggers
dendritic
maturation
inflammatory
lymphocyte
infiltration
ICD‐associated
pyroptosis,
thereby
reversing
suppression
TMEs.
Consequently,
it
exerts
inhibitory
effects
on
both
primary
distal
tumors.
This
platform‐based
offers
intelligent
strategy
for
effectively
overcoming
tumors,
providing
promising
avenue
advanced
immunotherapeutic
interventions.
Theranostics,
Journal Year:
2023,
Volume and Issue:
13(14), P. 4781 - 4801
Published: Jan. 1, 2023
Hitchhiking,
a
recently
developed
bio-inspired
cargo
delivery
system,
has
been
harnessed
for
diverse
applications.By
leveraging
the
interactions
between
nanoparticles
and
circulatory
cells
or
proteins,
hitchhiking
enables
efficient
navigation
through
vasculature
while
evading
immune
system
clearance.Moreover,
it
allows
targeted
of
nutrients
to
tissues,
surveillance
pathogen
elimination.Various
synthetic
nanomaterials
have
facilitate
with
proteins.By
combining
advantages
demonstrate
several
over
conventional
vectors,
including
enhanced
stability
optimized
therapeutic
efficacy.This
review
provides
an
overview
general
strategies
hitchhiking,
choices
recent
advances
biomedical
applications.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(29)
Published: Aug. 10, 2023
Abstract
Oncolytic
bacteria
are
the
most
promising
tumor
target
vector.
Questions
also
remain
regarding
finding
a
balance
between
therapeutic
efficacy
and
safety
of
oncolytic
bacteria.
The
critical
measure
how
this
is
maintained
improvement
in
colonization.
Attenuated
Salmonella
typhimurium
(VNP20009)
as
only
strain
to
be
evaluated
clinical
trial
potential
bacterium.
A
delivery
system
with
controlled
release
VNP
after
being
loaded
into
neutrophils,
which
significantly
increases
tumor‐targeting
enhances
its
melanoma
lung
metastasis
model
constructed.
To
improve
synergistic
effect,
PD1
nanobody
applied
(NE(PD1nb)).
NE(PD1nb)
activate
dendritic
cells
(DCs)
differentiation
stimulate
M1‐like
macrophages,
induce
CD4
+
T‐cells
maturity
cytotoxic
CD8
activation
through
DCs
antigen
presentation.