Journal of Materials Chemistry B,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Key
intracellular
in
situ
synthesis
processes,
including
the
of
near-infrared
fluorescent
dyes,
oxidative
cross-linking,
polymerization,
and
bioorthogonal
reactions,
as
well
their
biomedical
applications
were
summarized.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(22), С. 15251 - 15263
Опубликована: Май 23, 2024
Glioblastoma
(GBM)
poses
a
significant
therapeutic
challenge
due
to
its
invasive
nature
and
limited
drug
penetration
through
the
blood–brain
barrier
(BBB).
In
response,
here
we
present
an
innovative
biomimetic
approach
involving
development
of
genetically
engineered
exosome
nanocatalysts
(Mn@Bi2Se3@RGE-Exos)
for
efficient
GBM
therapy
via
improving
BBB
enzyme-like
catalytic
activities.
Interestingly,
photothermally
activatable
multiple
reactivity
is
observed
in
such
nanosystem.
Upon
NIR-II
light
irradiation,
Mn@Bi2Se3@RGE-Exos
are
capable
converting
hydrogen
peroxide
into
hydroxyl
radicals,
oxygen,
superoxide
providing
peroxidase
(POD),
oxidase
(OXD),
catalase
(CAT)-like
nanocatalytic
cascade.
This
consequently
leads
strong
oxidative
stresses
damage
cells.
vitro,
vivo,
proteomic
analysis
further
reveal
potential
disruption
cellular
homeostasis,
enhancement
immunological
induction
cancer
cell
ferroptosis,
showcasing
great
promise
anticancer
efficacy
against
with
favorable
biosafety
profile.
Overall,
success
this
study
provides
feasible
strategy
future
design
clinical
stimuli-responsive
medicine,
especially
context
challenging
brain
cancers
like
GBM.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 3, 2024
Compared
with
conventional
therapies,
photoimmunotherapy
offers
precise
targeted
cancer
treatment
minimal
damage
to
healthy
tissues
and
reduced
side
effects,
but
its
efficacy
may
be
limited
by
shallow
light
penetration
the
potential
for
tumor
resistance.
Here,
an
acceptor-donor-acceptor
(A-D-A)-structured
nanoaggregate
is
developed
dual
phototherapy,
including
photodynamic
therapy
(PDT)
photothermal
(PTT),
triggered
single
near-infrared
(NIR)
light.
Benefiting
from
strong
intramolecular
charge
transfer
(ICT),
A-D-A-structured
nanoaggregates
exhibit
broad
absorption
extending
NIR
region
effectively
suppressed
fluorescence,
which
enables
deep
efficient
conversion
(η
=
67.94%).
A
suitable
HOMO-LUMO
distribution
facilitates
sufficient
intersystem
crossing
(ISC)
convert
ground-state
oxygen
(
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Low-intensity
ultrasound-mediated
sonodynamic
therapy
(SDT),
which,
by
design,
integrates
sonosensitizers
and
molecular
oxygen
to
generate
therapeutic
substances
(e.g.,
toxic
hydroxyl
radicals,
superoxide
anions,
or
singlet
oxygen)
at
disease
sites,
has
shown
enormous
potential
for
the
effective
treatment
of
a
variety
diseases.
Nanoscale
play
crucial
role
in
SDT
process
because
their
structural,
compositional,
physicochemical,
biological
characteristics
are
key
determinants
efficacy.
In
particular,
advances
materials
science
nanotechnology
have
invigorated
series
optimization
strategies
augmenting
efficacy
nanosonosensitizers.
This
comprehensive
review
systematically
summarizes,
discusses,
highlights
state-of-the-art
studies
on
current
achievements
nanosonosensitizer
enhanced
treatment,
with
an
emphasis
general
design
principles
nanosonosensitizers
strategies,
mainly
including
organic
inorganic
Additionally,
recent
advancements
optimized
applications
aimed
treating
various
diseases,
such
as
cancer,
bacterial
infections,
atherosclerosis,
autoimmune
clarified
detail.
Furthermore,
effects
improved
versatile
thoroughly
discussed.
The
concludes
highlighting
challenges
future
opportunities
this
rapidly
evolving
research
field
expedite
its
practical
clinical
translation
application.
Advanced Materials,
Год журнала:
2024,
Номер
36(45)
Опубликована: Сен. 5, 2024
Abstract
Aminopeptidases
are
exopeptidases
that
catalyze
the
cleavage
of
amino
acid
residues
from
N‐terminal
fragment
protein
or
peptide
substrates.
Owing
to
their
function,
they
play
important
roles
in
maturation,
signal
transduction,
cell‐cycle
control,
and
various
disease
mechanisms,
notably
cancer
pathology.
To
gain
better
insights
into
molecular
imaging
assisted
by
fluorescence
bio/chemiluminescence
probes
has
become
an
indispensable
method
superiorities,
including
excellent
sensitivity,
selectivity,
real‐time
noninvasive
imaging.
Numerous
efforts
made
develop
activatable
can
effectively
enhance
efficiency
accuracy
as
well
minimize
side
effects.
This
review
is
classified
according
type
aminopeptidases,
summarizing
some
recent
works
on
design,
work
mechanism,
sensing,
imaging,
theranostic
performance
probe.
Finally,
current
challenges
outlined
developing
for
aminopeptidases
provide
possible
solutions
future
advancements.
Chemical Science,
Год журнала:
2024,
Номер
15(31), С. 12431 - 12441
Опубликована: Янв. 1, 2024
A
zwitterionic
chemiluminescence
strategy
makes
a
breakthrough
in
highly
selective
sensing
of
1
O
2
towards
FDA-approved
phototherapy
through
suppressing
inherent
photo-induced
side
reactions.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(41)
Опубликована: Июль 4, 2024
Abstract
The
clinical
application
of
photodynamic
therapy
(PDT)
is
limited
by
oxygen‐dependence
and
side
effects
caused
photosensitizer
residues.
Photoinitiators
based
on
the
H‐abstraction
reaction
can
address
these
challenges
because
they
generate
alkyl
radical‐killing
cells
independently
oxygen
undergo
rapid
bleaching
following
H‐abstraction.
Nonetheless,
development
photoinitiators
for
PDT
has
been
impeded
absence
effective
design
strategies.
Herein,
we
have
developed
aryl‐ketone
substituted
cyanine
(ACy−R),
first
red‐light
triggered
hypoxic
cancer
therapy.
These
ACy−R
molecules
inherited
near‐infrared
absorption
dye,
modification
imparted
capability.
Experimental
quantum
calculations
revealed
that
modifying
electron‐withdrawing
groups
aryl
(e.g.,
ACy‐5F)
improved
contribution
O
atom
to
photon
excitation
process
promoting
intersystem
crossing
ability.
Particularly,
ACy‐5F
rapidly
penetrated
enriched
in
endoplasmic
reticulum.
Even
under
severe
hypoxia,
initiated
induced
with
intracellular
biomolecules,
inducing
necroptosis
ferroptosis.
Moreover,
was
degraded
after
H‐abstraction,
thus
avoiding
long‐term
phototoxicity
This
study
not
only
provides
a
crucial
molecular
tool
tumors
therapy,
but
also
presents
promising
strategy
multifunctional
photosensitizers
photoinitiators.
ABSTRACT
Photodynamic
therapy
(PDT)
and
photothermal
(PTT)
have
emerged
promising
applications
in
both
fundamental
research
clinical
trials.
However,
it
remains
challenging
to
develop
ideal
photosensitizers
(PSs)
that
concurrently
integrate
high
photostability,
large
near‐infrared
absorptivity,
efficient
therapeutic
capabilities.
Herein,
we
reported
a
sample
engineering
strategy
afford
benzene‐fused
Cy5
dimer
(
Cy‐D‐5
)
for
synergistically
boosting
PDT/PTT
applications.
Intriguingly,
exhibits
tendency
form
J
‐aggregates
H
phosphate‐buffered
saline,
which
show
long‐wavelength
absorption
band
bathochromically
shifted
810
nm
short‐wavelength
hypsochromically
745
nm,
respectively,
when
compared
its
behavior
ethanol
(778
nm).
Density‐functional
theory
calculations
combined
with
time‐resolved
transient
optical
spectroscopy
analysis
reveal
the
fused
low
Δ
E
ST
(0.51
eV)
non‐radiative
transition
rates
(12.6
times
greater
than
of
clinically
approved
PS‐indocyanine
green
[PS‐
ICG
]).
Furthermore,
demonstrates
higher
photosensitizing
ability
produce
1
O
2
,
stronger
conversion
efficiency
η
=
64.4%),
photostability
.
These
properties
enable
achieve
complete
tumor
ablation
upon
808
laser
irradiation,
highlighting
potential
as
powerful
dual‐function
phototherapeutic
agent.
This
work
may
offer
practical
other
existing
dyes
red‐shifted
spectral
range
various
phototherapy
Abstract
Photodynamic
therapy
(PDT)
has
emerged
as
a
promising
strategy
for
cancer
treatment
due
to
its
non‐invasive
nature
and
high
specificity
toward
malignant
tissues.
In
recent
years,
variety
of
protocols
have
been
proposed
improve
the
PDT
efficacy,
which
organelle‐targeted
is
supposed
be
quite
promising.
Particularly,
lipid
droplets
(LDs)‐localized
attracts
lot
interest
inherent
advantages
such
abundant
LDs
in
cells
their
close
relation
with
ferroptosis.
This
review
provides
comprehensive
summary
advancements
LDs‐localized
photosensitizers
(PSs)
according
chemical
structures
functions.
Especially,
these
PSs
are
featured
fluorescence
emission,
thereby
facilitating
an
imaging‐guided
phototherapy.
The
highlights
cytocidal
actions
PSs,
cell
death
pathway
cytotoxicity.
Finally,
some
unresolved
issues
challenges
this
domain
will
discussed.