Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(42), P. 28783 - 28794
Published: Oct. 11, 2024
Currently
used
drugs
for
glioblastoma
(GBM)
treatments
are
ineffective,
primarily
due
to
the
significant
challenges
posed
by
strong
drug
resistance,
poor
blood-brain
barrier
(BBB)
permeability,
and
lack
of
tumor
specificity.
Here,
we
report
two
cationic
fluorescent
anticancer
agents
(TriPEX-ClO
Chemical Society Reviews,
Journal Year:
2022,
Volume and Issue:
51(12), P. 4996 - 5041
Published: Jan. 1, 2022
This
review
systematically
summarizes
the
research
status,
challenges,
prospects,
and
potential
bench-to-bedside
translation
of
minimally
invasive
nanomedicines.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: July 28, 2023
Abstract
Glioblastoma
(GBM)
remains
the
most
lethal
malignant
tumours.
Gboxin,
an
oxidative
phosphorylation
inhibitor,
specifically
restrains
GBM
growth
by
inhibiting
activity
of
F
0
1
ATPase
complex
V.
However,
its
anti-GBM
effect
is
seriously
limited
poor
blood
circulation,
brain
barrier
(BBB)
and
non-specific
tissue/cell
uptake,
leading
to
insufficient
Gboxin
accumulation
at
sites,
which
limits
further
clinical
application.
Here
we
present
a
biomimetic
nanomedicine
(HM-NPs@G)
coating
cancer
cell-mitochondria
hybrid
membrane
(HM)
on
surface
Gboxin-loaded
nanoparticles.
An
additional
design
element
uses
reactive
oxygen
species
responsive
polymer
facilitate
at-site
release.
The
HM
camouflaging
endows
HM-NPs@G
with
unique
features
including
good
biocompatibility,
improved
pharmacokinetic
profile,
efficient
BBB
permeability
homotypic
dual
tumour
cell
mitochondria
targeting.
results
suggest
that
achieve
circulation
(4.90
h
versus
0.47
free
Gboxin)
(7.73%
ID/g
1.06%
shown
Gboxin).
Effective
inhibition
in
orthotopic
U87MG
patient
derived
X01
stem
xenografts
female
mice
extended
survival
time
negligible
side
effects
are
also
noted.
We
believe
represents
promising
treatment
for
tumours
potential.
Theranostics,
Journal Year:
2022,
Volume and Issue:
12(11), P. 4879 - 4903
Published: Jan. 1, 2022
In
recent
decades,
extracellular
vesicles
(EVs),
as
bioactive
cell-secreted
nanoparticles
which
are
involved
in
various
physiological
and
pathological
processes
including
cell
proliferation,
immune
regulation,
angiogenesis
tissue
repair,
have
emerged
one
of
the
most
attractive
nanotherapeutics
for
regenerative
medicine.
Herein
we
provide
a
systematic
review
latest
progress
EVs
applications.
Firstly,
will
briefly
introduce
biogenesis,
function
isolation
technology
EVs.
Then,
underlying
therapeutic
mechanisms
native
unmodified
engineering
strategies
modified
entities
be
discussed.
Subsequently,
main
focus
placed
on
repair
regeneration
applications
organs
brain,
heart,
bone
cartilage,
liver
kidney,
well
skin.
More
importantly,
current
clinical
trials
medicine
also
highlighted.
Finally,
future
challenges
insightful
perspectives
currently
developed
EV-based
biomedicine
short,
opened
new
horizons
biologists,
chemists,
nanoscientists,
pharmacists,
clinicians,
making
possible
powerful
tools
therapies
Small,
Journal Year:
2022,
Volume and Issue:
18(39)
Published: Aug. 25, 2022
Transition-metal
dyshomeostasis
has
been
identified
as
a
critical
pathogenic
factor
for
the
aggregates
of
amyloid-beta
(Aβ)
peptide,
which
is
associated
with
onset
and
progression
Alzheimer's
disease
(AD).
Excessive
transition-metal
ions,
especially
copper
ion
(Cu2+
),
catalyze
formation
reactive
oxygen
species
(ROS),
triggering
neuroinflammation
neuronal
cell
apoptosis.
Therefore,
developing
robust
chelating
agent
can
not
only
efficiently
bind
toxic
Cu2+
,
but
also
simultaneously
scavenge
over-generated
ROS
that
urgently
needed
AD
treatment.
In
this
work,
2D
niobium
carbide
(Nb2
C)
MXene-based
nano-chelator
constructed
its
performance
in
suppressing
-induced
accumulation
aggregated
Aβ
peptide
acting
nanozyme
(MXenzyme)
powerful
antioxidant
property
to
excess
cellular
explored,
intrinsic
mechanism
revealed
by
computational
simulation.
Importantly,
benign
photothermal
effect
Nb2
C
MXenzyme
demonstrates
facilitated
permeability
blood-brain
barrier
under
near-infrared
laser
irradiation,
conquering
limitations
most
conventional
anti-AD
therapeutic
agents.
This
work
favorable
strategy
combating
engineering
MXenzyme-based
neuroprotective
nano-chelator,
paves
distinct
insight
extending
biomedical
applications
MXenes
treating
dyshomeostasis-and
ROS-mediated
central
nervous
system
diseases.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Dec. 8, 2023
Nanomedicine-based
anti-neuroinflammation
strategy
has
become
a
promising
dawn
of
Parkinson's
disease
(PD)
treatment.
However,
there
are
significant
gaps
in
our
understanding
the
therapeutic
mechanisms
antioxidant
nanomedicines
concerning
pathways
traversing
blood-brain
barrier
(BBB)
and
subsequent
inflammation
mitigation.
Here,
we
report
nanozyme-integrated
metal-organic
frameworks
with
excellent
activity
chiral-dependent
BBB
transendocytosis
as
anti-neuroinflammatory
agents
for
treatment
PD.
These
chiral
nanozymes
synthesized
by
embedding
ultra-small
platinum
(Ptzymes)
into
L-chiral
D-chiral
imidazolate
zeolite
(Ptzyme@L-ZIF
Ptzyme@D-ZIF).
Compared
to
Ptzyme@L-ZIF,
Ptzyme@D-ZIF
shows
higher
accumulation
brains
male
PD
mouse
models
due
longer
plasma
residence
time
more
traverse
BBB,
including
clathrin-mediated
caveolae-mediated
endocytosis.
factors
contribute
superior
efficacy
reducing
behavioral
disorders
pathological
changes.
Bioinformatics
biochemical
analyses
suggest
that
inhibits
neuroinflammation-induced
apoptosis
ferroptosis
damaged
neurons.
The
research
uncovers
biodistribution,
metabolic
variances,
outcomes
nanozymes-integrated
ZIF
platforms,
providing
possibilities
devising
anti-PD
drugs.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(5), P. 4358 - 4372
Published: Feb. 27, 2023
The
synovial
tissues
under
rheumatoid
arthritis
conditions
are
usually
infiltrated
by
inflammatory
cells,
particularly
M1
macrophages
with
aberrant
redox
homeostasis,
which
causes
rapid
deterioration
of
articular
structure
and
function.
Herein,
we
created
an
ROS-responsive
micelle
(HA@RH-CeOX)
through
the
in
situ
host–guest
complexation
between
ceria
oxide
nanozymes
hyaluronic
acid
biopolymers,
precisely
delivered
nanozyme
clinically
approved
drug
Rhein
(RH)
to
proinflammatory
macrophage
populations
inflamed
tissues.
abundant
cellular
ROS
could
cleave
thioketal
linker
trigger
release
RH
Ce.
Specifically,
Ce3+/Ce4+
pair
present
SOD-like
enzymatic
activity
rapidly
decompose
alleviate
oxidative
stress
macrophages,
while
inhibit
TLR4
signaling
both
act
a
concerted
manner
induce
their
repolarization
into
anti-inflammatory
M2
phenotype
ameliorate
local
inflammation
promote
cartilage
repair.
Notably,
rats
bearing
showed
drastic
increase
M1-to-M2
ratio
from
1:0.48
1:1.91
tissue
significantly
reduced
cytokine
levels
including
TNF-α
IL-6
following
intra-articular
injection
HA@RH-CeOX,
accompanied
efficient
regeneration
restored
Overall,
this
study
revealed
approach
modulate
homeostasis
reprogram
polarization
states
micelle-complexed
biomimetic
enzymes,
offers
alternative
opportunities
for
treatment
arthritis.