Dual-Enzyme-Instructed Peptide Self-Assembly to Boost Immunogenic Cell Death by Coordinating Intracellular Calcium Overload and Chemotherapy
H. H. Zhang,
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Yuhan Hu,
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Yinghao Ding
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et al.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
19(1), P. 488 - 503
Published: Jan. 4, 2025
The
concept
of
immunogenic
cell
death
(ICD)
induced
by
chemotherapy
as
a
potential
synergistic
modality
for
cancer
immunotherapy
has
been
widely
discussed.
Unfortunately,
most
chemotherapeutic
agents
failed
to
dictate
effective
ICD
responses
due
their
defects
in
inducing
potent
signaling.
Here,
we
report
dual-enzyme-instructed
peptide
self-assembly
platform
CPMC
(CPT-GFFpY-PLGVRK-Caps)
that
cooperatively
utilizes
camptothecin
(CPT)
and
capsaicin
(Caps)
promote
engage
systemic
adaptive
immunity
tumor
rejection.
Although
CPT
Caps
respectively
prevent
progression
inhibiting
type-I
DNA
topoisomerase
activating
transient
receptor
cation
channel
subfamily
V
member
1
(TRPV1)
intracellular
calcium
overload,
neither
alone
effectively
stimulates
sufficient
signaling
meet
immunotherapeutic
needs.
CPMC,
sequentially
allowing
an
active
derivative
VRK-Caps
release
extracellularly
intracellularly,
can
synergize
two
distinct
apoptosis
pathways
stimulated
increase
immunogenicity
elicit
T-cell-based
immunity.
Consequently,
facilitates
the
generation
improved
tumor-specific
cytotoxic
T-cell
sustained
immunological
memory,
successfully
suppressing
both
primary
distant
tumors.
Moreover,
render
tumors
susceptible
PD-L1
blockade
with
antiprogrammed
death-ligand
(aPDL1)
antibody
inhibition.
Combining
drugs
low
ICD-stimulating
capacity
using
strategy
was
demonstrated
boost
potentiate
immunotherapy.
Language: Английский
Biomimetic Nanomaterials Based on Peptide In Situ Self‐Assembly for Immunotherapy Applications
Zhuan Wen,
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Zhang‐Zhi Song,
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M. S. Cai
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et al.
Wiley Interdisciplinary Reviews Nanomedicine and Nanobiotechnology,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: Jan. 1, 2025
ABSTRACT
Cancer
remains
the
leading
cause
of
patient
death
worldwide
and
its
incidence
continues
to
rise.
Immunotherapy
is
rapidly
developing
due
significant
differences
in
mechanism
action
from
conventional
radiotherapy
targeted
antitumor
drugs.
In
past
decades,
many
biomaterials
have
been
designed
prepared
construct
therapeutic
platforms
that
modulate
immune
system
against
cancer.
Immunotherapeutic
utilizing
can
markedly
enhance
efficacy
by
optimizing
delivery
agents,
minimizing
drug
loss
during
circulation,
amplifying
immunomodulatory
effects.
The
intricate
physiological
barriers
tumors,
coupled
with
adverse
environments
such
as
inadequate
infiltration,
off‐target
effects,
immunosuppression,
emerged
obstacles
impeding
effectiveness
oncology
therapy.
However,
most
current
studies
are
devoted
development
complex
immunomodulators
exert
functions
loading
drugs
or
adjuvants,
ignoring
tumors.
Compared
biomaterials,
biomimetic
nanomaterials
based
on
peptide
situ
self‐assembly
excellent
functional
characteristics
biocompatibility,
biodegradability,
bioactivity
a
novel
effective
tool
for
cancer
immunotherapy.
This
article
presents
comprehensive
review
latest
research
findings
tumor
Initially,
we
categorize
structural
types
elucidate
their
intrinsic
driving
forces.
Subsequently,
delve
into
strategies
these
nanomaterials,
highlighting
advantages
Furthermore,
detail
applications
antigen
presentation
modulation
microenvironment.
conclusion,
encapsulate
challenges
prospective
developments
clinical
translation
Language: Английский
In situ polymer synthesis within living systems for cancer immunotherapy
Yun Chen,
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Wei Zhu
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Published: April 1, 2025
Language: Английский
Peptide-harnessed supramolecular and hybrid nanomaterials for stimuli-responsive theranostics
Coordination Chemistry Reviews,
Journal Year:
2025,
Volume and Issue:
539, P. 216737 - 216737
Published: May 1, 2025
Language: Английский
Homologous-adhering/targeting cell membrane- and cell-mediated delivery systems: a cancer-catch-cancer strategy in cancer therapy
Regenerative Biomaterials,
Journal Year:
2024,
Volume and Issue:
12
Published: Nov. 20, 2024
Abstract
Low
tumor
enrichment
remains
a
serious
and
urgent
problem
for
drug
delivery
in
cancer
therapy.
Accurate
targeting
of
sites
is
still
critical
aim
Though
there
have
been
variety
strategies
to
improve
the
enrichment,
biological
barriers
cause
most
delivered
guests
fail
or
be
excreted
before
they
work.
Recently,
cell
membrane-based
systems
attracted
huge
amount
attention
due
their
advantages
such
as
easy
access,
good
biocompatibility
immune
escape,
which
contribute
biomimetic
structures
specific
surface
proteins.
Furthermore,
are
referred
homologous-targeting
function
exhibit
significantly
high
adhesion
internalization
homologous-type
cells
even
though
exact
mechanism
not
entirely
revealed.
Here,
we
summarize
sources
characterizations
membrane
systems,
including
reconstructed
single
hybrid
nano-/microcarriers,
well
engineered
cells.
Additionally,
advanced
applications
these
therapy
categorized
summarized
according
components
membranes.
The
potential
factors
related
homologous
also
discussed.
By
discussing
applications,
challenges
opportunities,
expect
far-reaching
development
preclinic
clinics.
Language: Английский