Advanced Healthcare Materials,
Год журнала:
2022,
Номер
11(22)
Опубликована: Сен. 13, 2022
Abstract
Ulcerative
colitis
(UC)
is
a
prevalent
idiopathic
inflammatory
disease
which
causes
such
complications
as
intestinal
perforation,
obstruction,
and
bleeding,
thus
deleteriously
impacting
people's
normal
work
quality
of
life.
Hence,
accurate
diagnosis
UC
crucial
in
terms
planning
optimal
treatment
plan.
Herein,
pH/reactive
oxygen
species
(ROS)
dual‐responsive
nanosystem
(BM@EP)
developed
for
UC's
detection
therapy.
BM@EP
composed
chromophore‐drug
dyad
the
enteric
coating.
The
(BOD‐XT‐DHM)
synthesized
by
linking
chromophore
(BOD‐XT‐BOH)
flavonoid
drug
(dihydromyricetin
DHM)
through
boronate
ester
bond.
coating
includes
Eudragit
S100
poly(lactic‐
co
‐glycolic
acid)
(PLGA),
former
commonly
employed
pH‐dependent
polymer
excipient
so
to
attain
colon‐targeted
delivery,
latter
has
been
widely
used
an
controlled‐extended
release.
After
oral
administration,
delivers
into
colon
releases
molecules
being
triggered
alkaline
pH
t
colon,
thereafter
upon
stimulated
overexpressed
H
2
O
inflamed
bond
broken
down
correspondingly
DHM
released
therapy,
simultaneously
near‐infrared
second
window
(NIR‐II)
fluorescence
optoacoustic
imaging
recovery
evaluation.
Chemical Science,
Год журнала:
2023,
Номер
14(11), С. 2928 - 2934
Опубликована: Янв. 1, 2023
Small-molecule
probes
emitting
in
the
second
near-infrared
window
(NIR-II)
are
attracting
great
attention
because
of
their
deep-tissue
imaging
ability.
However,
developing
NIR-II
fluorogenic
(off-on)
with
good
water
solubility
remains
a
challenge
due
to
lack
facile
approach.
Herein
we
first
report
combination
changeable
π-conjugation
and
hydrophilic
groups
as
an
effective
strategy
for
water-soluble
probes.
With
strategy,
new
fluorophores
prepared,
among
which
NIR-II-F2
NIR-II-F3
show
superior
stability
bright
fluorescence
aqueous
media,
thus
used
design
two
leucine
aminopeptidase
(LAP).
The
excellent
performance
real
bio-environments
is
demonstrated
by
mouse
vasculatures
organs
NIR-II-F2,
LAP
drug-induced
liver
injury
mice
one
enzymatic
probes;
however,
water-insoluble
dyes
cannot
achieve
such
vivo
under
same
conditions.
Our
may
be
helpful
further
organic
other
analytes.
ACS Nano,
Год журнала:
2024,
Номер
18(9), С. 7123 - 7135
Опубликована: Фев. 23, 2024
Inflammatory
bowel
disease
(IBD)
is
strongly
related
to
the
occurrence
of
accumulation
toxic
reactive
oxygen
species
(ROS),
inflammation
mucosa,
and
an
imbalance
intestinal
microbes.
However,
current
treatments
largely
focus
on
a
single
factor,
yielding
unsatisfactory
clinical
outcomes.
Herein,
we
report
biocompatible
IBD-targeted
metabolic
nanoregulator
(TMNR)
that
synergistically
regulates
cellular
bacterial
metabolism.
The
TMNR
comprises
melanin-gallium
complex
(MNR)
encapsulated
within
thermosensitive
colitis-targeting
hydrogel,
all
composed
natural
FDA-approved
components.
confers
superior
broad-spectrum
antioxidant
properties,
effectively
scavenging
(ROS)
blocking
inflammatory
signaling
pathways.
presence
Ga3+
in
selectively
disrupts
iron
metabolism
pathogenic
microorganisms
due
its
structural
resemblance
atom.
Additionally,
incorporating
injectable
hydrogel
enables
targeted
delivery
regions,
prolonging
their
retention
time
providing
physical
barrier
function
for
optimizing
IBD
treatment
efficacy.
Collectively,
modulates
redox
balance
inflamed
colonic
epithelial
tissue
microorganisms,
thereby
eliminating
restoring
homeostasis
against
IBD.
Hence,
this
work
presents
comprehensive
approach
precise
spatiotemporal
regulation
microenvironmental
treatment.
Theranostics,
Год журнала:
2024,
Номер
14(6), С. 2490 - 2525
Опубликована: Янв. 1, 2024
Inflammatory
dysregulation
is
intimately
associated
with
the
occurrence
and
progression
of
many
life-threatening
diseases.Accurate
detection
timely
therapeutic
intervention
on
inflammatory
are
crucial
for
effective
therapy
inflammation-associated
diseases.However,
clinical
outcomes
inflammation-involved
disorders
still
unsatisfactory.Therefore,
there
an
urgent
need
to
develop
innovative
anti-inflammatory
strategies
by
integrating
emerging
technological
innovations
traditional
therapeutics.Biomedical
nanotechnology
one
promising
fields
that
can
potentially
transform
diagnosis
treatment
inflammation.In
this
review,
we
outline
recent
advances
in
biomedical
inflammation,
special
attention
paid
nanosensors
nanoprobes
precise
inflammation-related
diseases,
nanotherapeutics,
as
well
nanotheranostics
combined
applications.Moreover,
prospects
challenges
translation
nanomedicines
highlighted.
Analytical Chemistry,
Год журнала:
2022,
Номер
94(23), С. 8449 - 8457
Опубликована: Июнь 3, 2022
Lymphatic
metastasis
is
a
crucial
mechanism
by
which
the
cancer
cells
break
away
from
primary
(original)
tumor
and
travel
to
closest
regional
lymph
node(s)
ultimately
other
organs
or
parts
of
body,
closely
associated
with
recurrence
reduced
survival.
Thus,
tracking
lymphatic
realizing
imaging-guided
lymphoma
resection
surgery
great
significance.
In
this
study,
an
activatable
nanoprobe
developed
for
precisely
tumors
metastatic
lymphoma.
The
molecular
probe
contains
tricyanofuran
as
electron-accepting
unit
(electron
acceptor),
xanthene
electron-donating
donor),
alanine
responsive
(recognition
moiety)
aminopeptidase
N,
molecules
form
bovine
serum
albumin
matrix.
can
respond
specifically
N
overproduced
in
tumor,
thereby
transmuting
into
amino
group,
correspondingly
activated.
Strong
optoacoustic
NIR-II
fluorescence
signals
emitted
activated
be
utilized
visualizing
tumors.
Moreover,
aid
three-dimensional
multispectral
tomography
(3D
MSOT)
imaging
accurately
locate
site
metastasis,
ultimately,
both
excised
under
guidance
imaging.
Advanced Healthcare Materials,
Год журнала:
2023,
Номер
12(27)
Опубликована: Авг. 26, 2023
As
cancer
markers,
hydrogen
peroxide
(H2
O2
)
and
viscosity
play
an
essential
role
in
the
development
of
tumors.
Meanwhile,
based
on
performance
near-infrared
(NIR)
fluorescence
imaging
high
efficiency
photodynamic
therapy
(PDT)
photothermal
(PTT)
synergistic
therapy,
it
is
urgent
to
develop
a
dual-key
viscosity)
activated
probe
for
phototherapy.
Herein,
NIR-I/II
named
BX-B
reported.
In
presence
both
H2
viscosity,
signal
NIR-I
(810
nm)
NIR-II
(945
can
be
released.
,
PDT
PTT
effects
are
observed.
used
monitor
its
therapeutic
cells
tumor-bearing
mice
due
increased
caused
by
PTT.
addition,
tumors
treated
with
almost
completely
ablated
after
laser
irradiation
therapy.
This
work
provides
reliable
platform
effective
treatment
immediate
evaluation
effects.
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
13(12)
Опубликована: Янв. 28, 2024
Abstract
Sudden
hemorrhage
stemming
from
internal
organ
wounds
poses
a
grave
and
potentially
fatal
risk
if
left
untreated.
Injectable‐hydrogel‐based
tissue
sealants
featuring
multiple
actions,
including
fit‐to‐shape
in
situ
gelation,
rapid
hemostasis,
pro‐angiogenic,
anti‐bacterial
outcome
tracking,
are
ideal
for
the
management
of
trauma
wounds.
Herein,
an
injectable‐hydrogel
sealant
AN@CD‐PEG&TQ
which
consists
four‐arm
4‐arm
poly(ethylene
glycol)
(PEG‐SC)
succinimidyl
carbonate),
AN@CD
nanoprobe,
two
bioactive
peptides
(anti‐microbial
peptide
Tet213
pro‐angiogenic
QK)
is
developed.
Among
them,
nanoparticles
form
through
host/guest
complexation
amino‐group‐containing
β‐cyclodextrin
adamantyl
group,
enabling
biomarker
(NO)‐activatable
optoacoustic/NIR‐II:
Near‐infrared
second
biological
window
fluorescent
imaging.
The
ample
─NH2
groups
on
surface
readily
engage
cross‐linking
with
ester
located
at
ends
PEG‐SC.
This
expedites
gelation
process
without
necessitating
additional
initiators
or
agents;
thus,
significantly
enhancing
both
hydrogel's
application
convenience
biocompatibility.
Bioactive
(Tet213
safeguard
against
possible
bacterial
infections,
facilitate
angiogenesis,
eventually,
improve
healing.
hydrogel‐based
demonstrates
superior
therapeutic
bioimaging
performance
various
mouse
models
liver
hemorrhage,
gastric
perforation,
bacterial‐infected
skin
wound
models,
highlighting
its
potential
as
high‐performance
bleeding
management.