Macromolecular Bioscience,
Journal Year:
2023,
Volume and Issue:
24(3)
Published: Aug. 13, 2023
Abstract
Cancer
development
and
progression
of
cancer
are
closely
associated
with
the
activation
oncogenes
loss
tumor
suppressor
genes.
Nucleic
acid
drugs
(e.g.,
siRNA,
mRNA,
DNA)
widely
used
for
therapy
due
to
their
specific
ability
regulate
expression
any
cancer‐associated
However,
nucleic
negatively
charged
biomacromolecules
that
susceptible
serum
nucleases
cannot
cross
cell
membrane.
Therefore,
delivery
tools
required
facilitate
intracellular
drugs.
In
past
few
decades,
a
variety
nanoparticles
(NPs)
designed
developed
therapy.
particular,
polymeric
NPs
in
response
abnormal
redox
status
cells
have
garnered
much
more
attention
as
potential
redox‐triggered
nanostructure
dissociation
rapid
release
this
review,
important
genes
or
signaling
pathways
regulating
briefly
introduced
recent
redox‐responsive
is
systemically
summarized.
The
future
NPs‐mediated
challenges
clinical
translation
also
discussed.
Journal of Controlled Release,
Journal Year:
2024,
Volume and Issue:
373, P. 224 - 239
Published: July 17, 2024
Intravitreal
injection
of
biodegradable
implant
drug
carriers
shows
promise
in
reducing
the
frequency
for
neovascular
retinal
diseases.
However,
current
intravitreal
ocular
devices
have
limitations
adjusting
release
rates
individual
patients,
thereby
affecting
treatment
effectiveness.
Accordingly,
we
developed
mesoporous
silica
nanoparticles
(MSNs)
featuring
a
surface
that
reverse
its
charge
response
to
reactive
oxygen
species
(ROS)
efficient
delivery
humanin
peptide
(HN)
epithelial
cells
(ARPE-19).
The
MSN
core,
designed
with
pore
size
2.8
nm,
ensures
high
HN
loading
capacity
64.4%
(w/w).
We
fine-tuned
external
MSNs
by
incorporating
20%
Acetyl-L-arginine
(Ar)
create
partial
positive
charge,
while
80%
conjugated
thioketal
(TK)
methoxy
polyethylene
glycol
(mPEG)
act
as
ROS
gatekeeper.
Ex
vivo
experiments
using
bovine
eyes
revealed
immobilization
Ar-MSNs-TK-PEG
(mean
zeta
potential:
2
mV)
negatively
charged
vitreous.
oxidative
stress
reversed
-25
mV
mPEG
loss,
facilitating
diffusion
impeded
HN.
In
vitro
studies
showed
ARPE-19
effectively
internalize
HN-loaded
Ar-MSNs-TK,
subsequently
releasing
peptide,
which
offered
protection
against
stress-induced
apoptosis,
evidenced
reduced
TUNEL
and
caspase3
activation.
inhibition
neovascularization
was
further
validated
an
oxygen-induced
retinopathy
(OIR)
mouse
model.
Molecules,
Journal Year:
2022,
Volume and Issue:
27(22), P. 7815 - 7815
Published: Nov. 13, 2022
Drug-induced
liver
and
kidney
damage
is
an
emergent
clinical
issue
that
should
be
addressed.
Rosmarinic
acid
(RA)
has
obvious
anti-inflammatory
antioxidant
effects,
so
we
evaluated
the
effects
of
RA
pretreatment
on
serum
tissues
cisplatin
(CP)-treated
mice
explored
possible
mechanisms.
The
results
showed
effectively
downregulated
serum,
liver,
levels
ALT,
AST,
BUN,
CRE
inflammatory
factors
IL-1β,
IL-6,
TNF-α,
simultaneously
enhanced
total
capacity
kidney.
significantly
reduced
MPO,
MDA,
NO
in
tissue,
inhibited
mRNA
expression
TNF-α
activated
Nrf2
signaling
pathway,
upregulated
downstream
target
genes.
Our
findings
show
could
prevent
alleviate
acute
injury
caused
by
CP.
Macromolecular Bioscience,
Journal Year:
2023,
Volume and Issue:
24(3)
Published: Aug. 13, 2023
Abstract
Cancer
development
and
progression
of
cancer
are
closely
associated
with
the
activation
oncogenes
loss
tumor
suppressor
genes.
Nucleic
acid
drugs
(e.g.,
siRNA,
mRNA,
DNA)
widely
used
for
therapy
due
to
their
specific
ability
regulate
expression
any
cancer‐associated
However,
nucleic
negatively
charged
biomacromolecules
that
susceptible
serum
nucleases
cannot
cross
cell
membrane.
Therefore,
delivery
tools
required
facilitate
intracellular
drugs.
In
past
few
decades,
a
variety
nanoparticles
(NPs)
designed
developed
therapy.
particular,
polymeric
NPs
in
response
abnormal
redox
status
cells
have
garnered
much
more
attention
as
potential
redox‐triggered
nanostructure
dissociation
rapid
release
this
review,
important
genes
or
signaling
pathways
regulating
briefly
introduced
recent
redox‐responsive
is
systemically
summarized.
The
future
NPs‐mediated
challenges
clinical
translation
also
discussed.