Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Abstract
Proteolysis‐targeting
chimeras
(PROTACs)
have
accelerated
drug
development;
however,
some
challenges
still
exist
owing
to
their
lack
of
tumor
selectivity
and
on‐demand
protein
degradation.
Here,
we
developed
a
miR
NA‐
i
nitiated
ssembled
pre‐PRO
TAC
(miRiaTAC)
platform
that
enables
the
activation
termination
target
degradation
in
cell
type‐specific
manner.
Using
miRNA‐21
as
model,
engineered
DNA
hairpins
labeled
with
JQ‐1
pomalidomide
facilitated
modular
assembly
DNA‐encoded
pre‐PROTACs
through
hybridization
chain
reaction.
This
configuration
promoted
selective
polyubiquitination
BRD4
upon
miR‐21
initiation,
highlighting
significant
minimal
systemic
toxicity.
Furthermore,
incorporates
photolabile
groups,
enabling
precise
optical
control
during
assembly/disassembly,
mitigating
risk
excessive
Additionally,
by
introducing
secondary
ligand
targeting
CDK6,
these
were
used
scaffold
for
programmable
active
miRiaTACs
containing
two
different
warheads
exact
stoichiometry,
orthogonal
multitarget
The
integration
near‐infrared
light‐mediated
photodynamic
therapy
an
upconversion
nanosystem
further
enhanced
efficacy
potent
vivo
anticancer
activity.
We
anticipate
miRiaTAC
represents
intersection
between
dynamic
nanotechnology
PROTAC,
potentially
expanding
versatility
PROTAC
toolkit
cancer
therapy.
Accounts of Chemical Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 19, 2025
ConspectusEmulating
the
structural
features
or
functions
of
natural
systems
has
been
demonstrated
as
a
state-of-the-art
strategy
to
create
artificial
functional
materials.
Inspired
by
assembly
and
bioactivity
proteins,
self-assembly
peptides
into
nanostructures
represents
promising
approach
for
creating
biomaterials.
Conventional
assembled
peptide
biomaterials
are
typically
formulated
in
solution
delivered
pathological
sites
implementing
theranostic
objectives.
However,
this
translocation
entails
switch
from
formulation
conditions
physiological
environment
raises
concerns
about
material
performance.
In
addition,
precise
efficient
accumulation
administered
at
target
remains
significant
challenge,
leading
potential
biosafety
issues
associated
with
off-target
effects.
These
limitations
significantly
hinder
progress
advanced
To
address
these
concerns,
past
few
years
have
witnessed
development
situ
living
new
endeavor
optimizing
biomaterial
performance
benefiting
advances
stimuli-responsive
reactions
regulating
noncovalent
interactions.
refers
processes
via
sites.
Due
advantages
precisely
forming
well-defined
lesions,
situ-formed
assemblies
integrated
interesting
next-generation
biomedical
agents.Despite
great
developing
agents,
research
area
still
suffers
limited
toolkit
operating
under
complicated
conditions.
Considering
amino
acids
being
incorporated
backbones
modified
units,
an
acid
is
concern.
Therefore,
our
laboratory
intensively
engaged
designing
discovering
noncanonical
(ncAAs)
expand
manipulating
various
biological
Thus
far,
we
synthesized
containing
ncAAs
4-aminoproline,
2-nitroimidazole
alanine,
Se-methionine,
sulfated
tyrosine,
glycosylated
serine,
which
allow
us
develop
acid-responsive,
redox-responsive,
enzyme-responsive
systems.
Based
on
ncAAs,
established
complex
self-sorting
assembly,
self-amplified
dissipative
cells
optimize
peptides.
The
resulting
exhibit
morphological
adaptability
microenvironment,
contributes
overcoming
delivery
barriers
improvement
targeting
accumulation.
utilizing
developed
toolkit,
further
created
supramolecular
PROTACs,
antagonists,
probes
cancer
treatment
diagnosis
highlight
implications
usage.
Account,
summarize
journey
emphasis
mechanism
Eventually,
also
provide
forward
conceiving
prospects
challenges
clinical
translation
situ-formulated
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Abstract
Proteolysis‐targeting
chimeras
(PROTACs)
have
accelerated
drug
development;
however,
some
challenges
still
exist
owing
to
their
lack
of
tumor
selectivity
and
on‐demand
protein
degradation.
Here,
we
developed
a
miR
NA‐
i
nitiated
ssembled
pre‐PRO
TAC
(miRiaTAC)
platform
that
enables
the
activation
termination
target
degradation
in
cell
type‐specific
manner.
Using
miRNA‐21
as
model,
engineered
DNA
hairpins
labeled
with
JQ‐1
pomalidomide
facilitated
modular
assembly
DNA‐encoded
pre‐PROTACs
through
hybridization
chain
reaction.
This
configuration
promoted
selective
polyubiquitination
BRD4
upon
miR‐21
initiation,
highlighting
significant
minimal
systemic
toxicity.
Furthermore,
incorporates
photolabile
groups,
enabling
precise
optical
control
during
assembly/disassembly,
mitigating
risk
excessive
Additionally,
by
introducing
secondary
ligand
targeting
CDK6,
these
were
used
scaffold
for
programmable
active
miRiaTACs
containing
two
different
warheads
exact
stoichiometry,
orthogonal
multitarget
The
integration
near‐infrared
light‐mediated
photodynamic
therapy
an
upconversion
nanosystem
further
enhanced
efficacy
potent
vivo
anticancer
activity.
We
anticipate
miRiaTAC
represents
intersection
between
dynamic
nanotechnology
PROTAC,
potentially
expanding
versatility
PROTAC
toolkit
cancer
therapy.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
Abstract
Targeted
covalent
inhibitors
are
promising
for
drug
discovery
and
challenged
by
the
strict
structural
features
target
proteins
to
sustain
proximity‐induced
conjugations.
Herein,
an
assembly‐glued
strategy
is
reported
create
surface‐displayed
supramolecular
that
leverage
display‐induced
proximity
between
noncovalent
ligands
warheads.
The
ligand
warhead
obtained
via
attaching
epidermal
growth
factor
receptor
(EGFR)‐binding
segment
or
nitroreductase
(NTR)‐activated
moiety
bola‐amphiphilic
peptides,
respectively.
Co‐assembling
with
a
filler
peptide
glues
them
forms
inhibitor.
While
associates
EGFR,
undergoes
NTR‐induced
cysteine
conjugation
facilitated
ligand‐EGFR
association.
In
vitro
studies
show
reliable
hypoxia‐activated
inhibition
of
EGFR
phosphorylation
enhanced
cytotoxicity
inhibitor
under
hypoxic
condition.
addition,
this
also
allows
creating
targeting
without
small
molecular
drugs,
due
vivo
results
illustrate
prolonged
retention
its
efficacy
in
inhibiting
tumor
growth.
These
findings
demonstrate
simultaneous
surface
display
warheads
assembly
adhesives
implementation
functions,
thus
providing
new
developing
future.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(42), P. 28502 - 28530
Published: Oct. 8, 2024
Proteolysis
targeting
chimeras
(PROTACs)
represent
a
transformative
class
of
therapeutic
agents
that
leverage
the
intrinsic
protein
degradation
machinery
to
modulate
hemostasis
key
disease-associated
proteins
selectively.
Although
several
PROTACs
have
been
approved
for
clinical
application,
suboptimal
efficacy
and
potential
adverse
side
effects
remain
challenging.
Benefiting
from
enhanced
targeted
delivery,
reduced
systemic
toxicity,
improved
bioavailability,
nanomedicines
can
be
tailored
with
precision
integrate
which
hold
significant
facilitate
PROTAC
(nano-PROTACs)
translation
effects.
In
this
review,
we
provide
an
overview
recent
progress
in
convergence
nanotechnology
design,
leveraging
inherent
properties
nanomaterials,
such
as
lipids,
polymers,
inorganic
nanoparticles,
nanohydrogels,
proteins,
nucleic
acids,
precise
delivery.
Additionally,
discuss
various
categories
targets
insights
into
their
translational
potential,
alongside
challenges
need
addressed.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(35), P. 45821 - 45829
Published: Aug. 23, 2024
In
situ
self-assembly
in
living
systems
is
referred
to
as
the
processes
that
regulate
assembly
by
stimuli-responsive
reactions
at
target
sites
under
physiological
conditions.
Due
advantages
of
precisely
forming
well-defined
nanostructures
pathological
lesions,
situ-formed
assemblies
with
tailored
bioactivity
are
promising
for
development
next-generation
biomedical
agents.
this
Perspective,
we
summarize
progress
peptides
cells
an
emphasis
on
state-of-the-art
strategies
regulating
processes,
establishing
complexity
within
systems,
and
exploiting
their
applications
biomedicines.
We
also
provide
our
forward
conceiving
perspectives
challenges
demonstrate
its
great
potential
creating
biomaterials
healthcare
future.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Abstract
Proteolysis‐targeting
chimeras
(PROTACs)
have
accelerated
drug
development;
however,
some
challenges
still
exist
owing
to
their
lack
of
tumor
selectivity
and
on‐demand
protein
degradation.
Here,
we
developed
a
miR
NA‐
i
nitiated
ssembled
pre‐PRO
TAC
(miRiaTAC)
platform
that
enables
the
activation
termination
target
degradation
in
cell
type‐specific
manner.
Using
miRNA‐21
as
model,
engineered
DNA
hairpins
labeled
with
JQ‐1
pomalidomide
facilitated
modular
assembly
DNA‐encoded
pre‐PROTACs
through
hybridization
chain
reaction.
This
configuration
promoted
selective
polyubiquitination
BRD4
upon
miR‐21
initiation,
highlighting
significant
minimal
systemic
toxicity.
Furthermore,
incorporates
photolabile
groups,
enabling
precise
optical
control
during
assembly/disassembly,
mitigating
risk
excessive
Additionally,
by
introducing
secondary
ligand
targeting
CDK6,
these
were
used
scaffold
for
programmable
active
miRiaTACs
containing
two
different
warheads
exact
stoichiometry,
orthogonal
multitarget
The
integration
near‐infrared
light‐mediated
photodynamic
therapy
an
upconversion
nanosystem
further
enhanced
efficacy
potent
vivo
anticancer
activity.
We
anticipate
miRiaTAC
represents
intersection
between
dynamic
nanotechnology
PROTAC,
potentially
expanding
versatility
PROTAC
toolkit
cancer
therapy.