ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 13, 2024
The
development
of
a
photosensitizer
(PS)
that
induces
pyroptosis
could
be
star
for
photodynamic
therapy
(PDT),
particularly
with
type-I
PSs
produce
reactive
oxygen
species
(ROS)
in
hypoxic
tumor
microenvironment.
Since
is
recently
characterized
cell
death
pathway,
it
holds
promise
advancing
PDT
oncology,
playing
critical
role.
Herein,
we
develop
PS
named
Th-M
aggregation-induced
emission
(AIE)
characteristics
against
tongue
squamous
carcinoma
(TSCC).
stands
out
its
exceptional
mitochondrial-targeting
ability,
which
triggers
mitochondrial
dysfunction
and
leads
to
Caspase-3
Gasdermin
E
(GSDME)
cleavage
under
white
light
irradiation,
inducing
TSCC
cells.
Our
studies
verify
the
effectiveness
destroying
cancer
cells
vitro
suppressing
growth
vivo
while
also
demonstrating
favorable
biosafety
profile.
This
work
pioneers
application
as
mitochondria-targeted,
leverages
mechanism
pyroptosis,
offering
potent
approach
treatment
TSSC
promising
implications
future
cancers.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(16), P. 5607 - 5651
Published: Jan. 1, 2023
Since
their
inception,
rhodamine
dyes
have
been
extensively
applied
in
biotechnology
as
fluorescent
markers
or
for
the
detection
of
biomolecules
owing
to
good
optical
physical
properties.
Accordingly,
they
emerged
a
powerful
tool
visualization
living
systems.
In
addition
fluorescence
bioimaging,
molecular
design
derivatives
with
disease
therapeutic
functions
(e.g.,
cancer
and
bacterial
infection)
has
recently
attracted
increased
research
attention,
which
is
significantly
important
construction
libraries
diagnostic
integration.
However,
reviews
focusing
on
integrated
strategies
dye-based
diagnosis
treatment
wide
application
are
extremely
rare.
this
review,
first,
brief
history
development
dyes,
transformation
from
bioimaging
therapy,
concept
optics-based
integration
its
significance
human
presented.
Next,
systematic
review
several
excellent
rhodamine-based
well
treatment,
Finally,
challenges
practical
future
outlook
clinical
translation
also
discussed.
Materials Today Bio,
Journal Year:
2022,
Volume and Issue:
15, P. 100329 - 100329
Published: June 1, 2022
Antibiotic
resistance
is
one
of
the
major
causes
morbidity
and
mortality,
triggered
by
adhesion
microbes
to
some
extent
formation
biofilms.
This
condition
has
been
quite
challenging
in
health
industrial
sector.
Conditions
processes
required
foil
these
infectious
are
much
concern.
The
synthesis
PDA
material,
inspired
Mytilus
edulis
foot
protein
(MEFP)5
possesses
unique
characteristics
that
allow
for,
adhesion,
photothermal
therapy,
synergistic
effects
with
other
materials,
biocompatibility
process,
etc.
Therefore,
their
usage
holds
great
potential
for
dealing
both
nature
antibiotic
processes.
Hence,
this
review
provides
an
overview
mechanism
involved
accomplishing
eradicating
bacteria,
recently
harnessed
antibacterial
effect
through
properties
they
possess,
a
way
forward
tapping
benefit
embedded
PDA,
future
perspective.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(7), P. 2533 - 2547
Published: May 24, 2024
Contemporary
options
for
multidrug-resistant
bacteria
infected
diabetic
foot
ulcers
(IDFUs)
are
predominantly
nonspecific.
These
IDFU
injuries
often
display
prolonged
inflammation
and
delayed
tissue
repair,
mainly
attributed
to
an
overabundance
of
M1
macrophages
in
the
hostile
microenvironment.
Although
immunomodulatory
hydrogels
show
promise
IDFU-focused
care,
a
targeted,
safe
transition
from
M2
using
simplified
techniques
remains
significant
obstacle.
Here,
we
introduce
hybrid
hydrogel
(GGG)
with
inherent
capabilities
IDFUs.
GGG
is
composed
interpenetrating
polymer
networks
featuring
gallium-induced
self-assembling
glycyrrhizic
acid
photo-cross-linked
gelatin
methacryloyl
matrix.
Importantly,
effectively
decreases
ratio
conditions
drug-resistant
by
disrupting
iron
metabolism
scavenging
reactive
oxygen
species,
which
contributes
enhanced
treatment
results
wounds.
To
sum
up,
strategy
present
provides
straightforward,
safe,
highly
effective
therapeutic
avenue
managing
Smart Molecules,
Journal Year:
2023,
Volume and Issue:
1(1)
Published: May 16, 2023
Abstract
Bacteria
can
cause
numerous
infectious
diseases
and
has
been
a
major
threat
to
human
humans.
Although
antibiotics
have
partially
succeeded
in
treating
bacteria,
owing
antibiotic
abuse,
the
emergence
of
multidrug‐resistant
(MDR)
bacteria
drastically
diminished
their
potency.
Since
invention
laser,
combination
light
photosensitizers,
photodynamic
therapy
(PDT),
become
an
effective
noninvasive
treatment
along
with
photothermal
(PTT),
which
heat
is
generated
by
nonradiative
relaxation.
Antimicrobial
PDT
PTT
are
emerging
as
treatments
for
bacterial
infection,
particularly
against
MDR
bacteria.
This
mini
review
covers
recent
progresses
treatment.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(18)
Published: Feb. 19, 2024
The
cell
membrane
is
a
crucial
component
of
cells,
protecting
their
integrity
and
stability
while
facilitating
signal
transduction
information
exchange.
Therefore,
disrupting
its
structure
or
impairing
functions
can
potentially
cause
irreversible
damage.
Presently,
the
tumor
recognized
as
promising
therapeutic
target
for
various
treatment
methods.
Given
extensive
research
focused
on
membranes,
it
both
necessary
timely
to
discuss
these
developments,
from
materials
design
specific
biomedical
applications.
This
review
covers
treatments
based
functional
targeting
membrane,
ranging
well-known
membrane-anchoring
photodynamic
therapy
recent
lysosome-targeting
chimaeras
protein
degradation.
diverse
mechanisms
are
introduced
in
following
sections:
phototherapy,
self-assembly
situ
biosynthesis
degradation
proteins
by
chimeras.
In
each
section,
we
outline
conceptual
general
derived
numerous
studies,
emphasizing
representative
examples
understand
advancements
draw
inspiration.
Finally,
some
challenges
future
directions
membrane-targeted
our
perspective.
aims
engage
multidisciplinary
readers
encourage
researchers
related
fields
advance
fundamental
theories
practical
applications
membrane-targeting
agents.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(12)
Published: Jan. 25, 2024
Singlet
oxygen
(1
O2
)
plays
a
significant
role
in
environmental
and
biomedical
disinfection
fields.
Electrocatalytic
processes
hold
great
potential
for
1
generation,
but
remain
challenging.
Herein,
facile
Ni
doping
converted
spin-state
transition
approach
is
reported
boosting
production.
Magnetic
analysis
theoretical
calculations
reveal
that
occupied
at
the
octahedral
site
of
Co3
O4
can
effectively
induce
low-to-high
transition.
The
high-spin
Ni-Co3
generate
appropriate
binding
strength
enhance
electron
transfer
between
Co
centers
with
intermediates,
thereby
improving
catalytic
activity
effective
generating
.
In
neutral
conditions,
1×106
CFU
mL-1
Gram-negative
ESBL-producing
Escherichia
coli
(E.
coli)
could
be
inactivated
by
system
within
5
min.
Further
antibacterial
mechanisms
indicate
lead
to
cell
membrane
damage
DNA
degradation
so
as
irreversible
death.
Additionally,
developed
inactivate
bacteria
from
wastewater
bioaerosols.
This
work
provides
an
strategy
designing
electrocatalysis
boost
generation
process.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Biofilm-induced
chronic
bacterial
infections
represent
a
significant
challenge
in
modern
medicine
due
to
their
resistance
conventional
antibiotic
treatments.
Although
photodynamic
therapy
(PDT)
has
emerged
as
promising
antibiotic-free
antibacterial
strategy,
the
hypoxic
condition
within
biofilms
and
lack
of
an
effective
local
drug
delivery
system
have
limited
clinical
effectiveness
photosensitizer
(PS)
agents.
Herein,
we
propose
type
charge
regulation-enhanced
I
PS-loaded
hydrogel
dressing
for
treating
biofilm
infection.
The
regulation
enables
multiple
alkylation
Nile
blue
(EB
series)
exhibit
substantially
improved
absorbance
(∼2-fold),
alkaline
tolerance,
superoxide
anion
yield
(2.2-4.2-fold)
compared
representative
PS,
sulfur-substituted
blue.
Specifically,
enhanced
electronic
push-pull
capabilities
promote
more
efficient
electron
recycling
process,
significantly
boosting
efficiency
PDT.
superior
PDT
effect
uptake
via
render
EB
series
pronounced
inhibition
under
red
light
or
sunlight
irradiation.
Moreover,
hydrogel,
constructed
from
oxidized
dextran
quaternized
chitosan,
facilitates
localization
sustained
retention
PSs,
accelerating
healing
biofilm-infected
wounds.
This
PS-based
could
provide
user-friendly
wound
treatment
prevention
infections.
Advanced Healthcare Materials,
Journal Year:
2022,
Volume and Issue:
11(17)
Published: June 25, 2022
Abstract
The
emergence
of
powerful
antibiotic‐resistant
bacteria
caused
by
the
abuse
antibiotics
has
become
a
public
health
problem.
Photodynamic
antibacterial
therapy
is
regarded
as
an
innovative
and
promising
approach
due
to
its
minor
side
effects
lack
drug
resistance.
Nevertheless,
few
photosensitizers
(PSs)
are
reported
have
near‐infrared
(NIR)
emission,
ability
rapidly
discriminate
bacteria,
high
photodynamic
efficiency.
In
this
study,
it
for
first
time
that
water‐soluble
NIR
fluorescence
emission
rhodamine‐based
photosensitizer
with
aggregation‐inducing
(AIE)
effects,
referred
CS‐2I,
can
efficiently
identify
kill
Gram‐positive
bacteria.
imaging
experiment
blended
CS‐2I
selectively
target
specifically
label
efficiency
after
only
5
min
incubation.
Furthermore,
achieves
complete
inhibition
methicillin‐resistant
Staphylococcus
aureus
(MRSA)
at
extremely
low
concentration
(0.5
µ
m
)
light
dosage
(6
J
cm
−2
).
Remarkably,
mixed
Carbomer
940
prepare
hydrogel
dressing
(CS‐2I@gel),
in
vitro
vivo
results
demonstrate
CS‐2I@gel
provides
extraordinary
performance
therapy.
Hence,
study
new
strategy
blueprint
future
design
materials.