Advanced Functional Materials,
Год журнала:
2023,
Номер
33(49)
Опубликована: Сен. 3, 2023
Abstract
The
complex
physiological
environment
in
bone
tissue
poses
a
challenge
to
the
efficient
delivery
of
chemotherapeutic
agents
for
osteosarcoma
(OS)
treatment;
hence,
an
drug
system
designed
OS
is
highly
desired.
Herein,
alendronate
(Ale)‐based
cationic
platinum
prodrug
nanoparticles
(Ale
NP)
are
developed,
which
exhibit
cascade
responsiveness
tumor
microenvironment.
With
Ale
triggered
targeting
and
charge
reversal
effects,
NP
demonstrates
superior
capacity
achieving
deep
penetration
into
dense
tissues.
Furthermore,
can
induce
dendritic
cell
(DC)
maturation
via
activation
cyclic
GMP‐AMP
synthase‐stimulator
interferon
genes
(cGAS‐STING)
pathway
using
drugs.
potent
phenanthridine
(Pt(II))
be
released
presence
overexpressed
glutathione
(GSH)
cells,
thereby
dual‐targeted
drugs
OS.
Notably,
not
only
effectively
eliminates
internal
region
but
also
acts
as
STING
agonist
reverse
suppressive
microenvironment
Overall,
Ale‐triggered
dual‐cascade
significantly
improve
OS,
hence
paving
promising
avenue
clinical
treatment
Experimental & Molecular Medicine,
Год журнала:
2023,
Номер
55(11), С. 2287 - 2299
Опубликована: Ноя. 1, 2023
Abstract
CD8
T
cells
play
crucial
roles
in
immune
surveillance
and
defense
against
infections
cancer.
After
encountering
antigenic
stimulation,
naïve
differentiate
acquire
effector
functions,
enabling
them
to
eliminate
infected
or
malignant
cells.
Traditionally,
cytotoxic
cells,
characterized
by
their
ability
produce
cytokines
release
granules
directly
kill
target
have
been
recognized
as
the
constituents
of
predominant
T-cell
subset.
However,
emerging
evidence
suggests
distinct
subsets
that
each
exhibit
unique
functions
therapeutic
potential.
This
review
highlights
recent
advancements
our
understanding
contributions
these
various
disease
pathologies.
Understanding
diverse
is
discern
complex
dynamics
responses
different
settings.
Furthermore,
development
immunotherapeutic
approaches
specifically
regulate
function
holds
great
promise
for
precision
medicine.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(11), С. 6007 - 6023
Опубликована: Март 7, 2023
Pyroptosis
refers
to
the
process
of
gasdermin-mediated
lytic
programmed
cell
death
(PCD)
characterized
by
release
pro-inflammatory
cytokines.
Our
knowledge
pyroptosis
has
expanded
beyond
cellular
level
and
now
includes
extracellular
responses.
In
recent
years,
attracted
considerable
attention
due
its
potential
induce
host
immunity.
For
instance,
at
2022
International
Medicinal
Chemistry
Natural
Active
Ligand
Metal-Based
Drugs
(MCNALMD)
conference,
numerous
researchers
demonstrated
an
interest
in
photon-controlled
activation
("PhotoPyro"),
emerging
pyroptosis-engineered
approach
for
activating
systemic
immunity
via
photoirradiation.
Given
this
enthusiasm,
we
share
Perspective
our
views
on
area
expound
how
why
"PhotoPyro"
could
trigger
antitumor
(i.e.,
turning
so-called
"cold"
tumors
"hot").
doing
so,
have
tried
highlight
cutting-edge
breakthroughs
PhotoPyro
while
suggesting
areas
future
contributions.
By
providing
insights
into
current
state
art
serving
as
a
resource
individuals
interested
working
area,
it
is
hoped
that
will
set
stage
evolve
broadly
applicable
cancer
treatment
strategy.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Окт. 18, 2024
Immunotherapy
has
made
significant
strides
in
cancer
treatment,
particularly
through
immune
checkpoint
blockade
(ICB),
which
shown
notable
clinical
benefits
across
various
tumor
types.
Despite
the
transformative
impact
of
ICB
treatment
therapy,
only
a
minority
patients
exhibit
positive
response
to
it.
In
with
solid
tumors,
those
who
respond
well
typically
demonstrate
an
active
profile
referred
as
"hot"
(immune-inflamed)
phenotype.
On
other
hand,
non-responsive
may
distinct
"cold"
(immune-desert)
phenotype,
differing
from
features
tumors.
Additionally,
there
is
more
nuanced
"excluded"
positioned
between
and
categories,
known
type.
Effective
differentiation
understanding
intrinsic
factors,
characteristics,
TME,
external
factors
are
critical
for
predicting
results.
It
widely
accepted
that
therapy
exerts
profound
effect
on
limited
efficacy
against
or
"altered"
necessitating
combinations
therapeutic
modalities
enhance
cell
infiltration
into
tissue
convert
tumors
ones.
Therefore,
aligning
traits
this
review
systematically
delineates
respective
influencing
extensively
discusses
varied
approaches
drug
targets
based
assess
efficacy.
Journal of Hematology & Oncology,
Год журнала:
2023,
Номер
16(1)
Опубликована: Авг. 12, 2023
Recently,
therapeutic
antibodies
against
programmed
cell
death
1
(PD-1)
and
its
ligand
(PD-L1)
have
exerted
potent
anticancer
effect
in
a
variety
of
tumors.
However,
blocking
the
PD-1/PD-L1
axis
alone
is
not
sufficient
to
restore
normal
immune
response.
Other
negative
regulators
antitumor
immunity,
like
TGF-β
VEGFA,
are
also
involved
escape
tumor
cells
induce
immunotherapy
resistance.We
developed
novel
anti-TGF-β/VEGF
bispecific
antibody
Y332D
based
on
Nano-YBODY™
technology
platform.
The
CCK-8,
flow
cytometry,
SBE4
luciferase
reporter
assay,
western
blotting
transwell
assays
were
used
measure
biological
activities
anti-TGF-β
moiety.
NFAT
luminescent
viability
assay
tube
formation
anti-VEGF
vivo
efficacy
or
combination
with
PD-1
blockade
was
evaluated
H22,
EMT-6,
4T1,
AKT/Ras-driven
murine
hepatocellular
carcinoma
models.
Immunofluorescent
staining,
RNA-seq
quantitative
RT-PCR
adopted
analyze
alterations
microenvironment.Y332D
could
maintain
specific
binding
affinities
for
VEGFA.
almost
entirely
counteracted
vitro
functions
including
immunosuppression,
activated
signaling,
epithelial-mesenchymal
transition
(EMT),
VEGF/VEGFR
HUVEC
proliferation
formation.
experiment
data
demonstrated
that
more
effective
inhibiting
growth
metastasis
than
monotherapies.
In
therapies,
plus
exhibited
most
durable
effect.
Mechanistically,
upregulated
density
function
tumor-infiltrating
lymphocytes
reinvigorated
immunity.Y332D
simultaneously
block
VEGF
signalings.
comparison
monotherapies,
combined
exerts
superior
through
improving
microenvironment.
Journal of Nanobiotechnology,
Год журнала:
2023,
Номер
21(1)
Опубликована: Март 6, 2023
Plant-derived
nanovesicles
(PDNVs)
have
been
proposed
as
a
major
mechanism
for
the
inter-kingdom
interaction
and
communication,
but
effector
components
enclosed
in
vesicles
mechanisms
involved
are
largely
unknown.
The
plant
Artemisia
annua
is
known
an
anti-malaria
agent
that
also
exhibits
wide
range
of
biological
activities
including
immunoregulatory
anti-tumor
properties
with
to
be
further
addressed.
Here,
we
isolated
purified
exosome-like
particles
from
A.
annua,
which
were
characterized
by
nano-scaled
membrane-bound
shape
hence
termed
artemisia-derived
(ADNVs).
Remarkably,
demonstrated
inhibit
tumor
growth
boost
immunity
mouse
model
lung
cancer,
primarily
through
remolding
microenvironment
reprogramming
tumor-associated
macrophages
(TAMs).
We
identified
plant-derived
mitochondrial
DNA
(mtDNA),
upon
internalized
into
TAMs
via
vesicles,
molecule
induce
cGAS-STING
pathway
driving
shift
pro-tumor
phenotype.
Furthermore,
our
data
showed
administration
ADNVs
greatly
improved
efficacy
PD-L1
inhibitor,
prototypic
immune
checkpoint
tumor-bearing
mice.
Together,
present
study,
first
time,
knowledge,
unravels
wherein
medical
mtDNA,
nanovesicles,
induces
immunostimulatory
signaling
mammalian
cells
resetting
promoting
eradication.
Nature Medicine,
Год журнала:
2023,
Номер
29(8), С. 2068 - 2078
Опубликована: Июль 24, 2023
Abstract
Overall
survival
(OS)
benefits
of
neoadjuvant
immunotherapy
remain
elusive
in
locally
advanced
esophageal
squamous
cell
carcinomas
(ESCC).
Here,
we
reported
the
results
a
phase
1b
trial
PD-L1
blockade
with
adebrelimab
resectable
ESCC.
Patients
received
two
doses
followed
by
surgery.
The
primary
endpoints
were
safety
and
feasibility;
secondary
included
pathologic
complete
response
(pCR)
OS.
Our
data
showed
feasibility
had
been
met.
Common
treatment-related
adverse
events
anorexia
(32%)
fatigue
(16%),
without
grade
3
or
more
events.
Of
30
patients
enrolled
trial,
25
underwent
successful
resection
surgery
delay
24%
major
responses
including
pCR
rate
8%.
2-year
OS
was
92%.
Responsive
an
immune-enriched
tumor
microenvironment
phenotype,
whereas
nonresponsive
greater
infiltration
cancer-associated
fibroblasts
at
baseline.
Clonotypic
dynamics
pre-existing
intratumoral
T
cells
hallmark
responsive
patients.
These
findings
provide
rational
for
anti-PD-L1
monotherapy
as
therapeutic
strategy
ClinicalTrials.gov
identifier:
NCT04215471
.