Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Chemiluminescence
offers
ultrasensitive
imaging
for
the
diagnosis
of
a
variety
diseases
by
removing
interference
from
excitation
light
sources.
Here,
we
prepared
two
chemiluminescent
metal-organic
frameworks
(Mn-ADA
and
Zn-ADA)
using
(2E,2'E)-3,3'-(anthracene-9,10-diyl)diacrylic
acid
(ADA)
as
ligand.
In
Mn-ADA
Zn-ADA,
Mn
atoms
Zn
are
six-coordinated
eight-coordinated,
respectively,
their
different
in
spatial
structure.
Due
to
orderly
arrangement
fluorescence
ligands
one-dimensional
channel
control
diffusion
reactant,
exhibits
superstrong
intensity
persistent
chemiluminescence
compared
ADA.
The
is
43
times
higher,
lifetime
longer
than
that
Furthermore,
coordination
also
causes
be
stronger
Zn-ADA.
It
established
can
detect
H2O2
image
inflammation
mice
without
light.
This
methodology
demonstrates
potential
(MOFs)
enhance
new
avenue
development
MOF
materials
intended
biomedical
application.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(39), P. 26784 - 26798
Published: Sept. 20, 2024
Accurate
imaging
and
precise
treatment
are
critical
to
controlling
the
progression
of
pancreatic
cancer.
However,
current
approaches
for
cancer
theranostics
suffer
from
limitations
in
tumor
specificity
invasive
surgery.
Herein,
a
cancer-specific
phototheranostic
modulator
(AuHQ)
dominated
by
aggregation-induced
emission
(AIE)
luminogens-tethered
gold
nanoparticles
is
meticulously
designed
facilitate
prominent
fluorescence-photoacoustic
bimodal
imaging-guided
photothermal
immunotherapy.
Once
reaching
microenvironment
(TME),
peptide
Ala-Gly-Phe-Ser-Leu-Pro-Ala-Gly-Cys
(AGFSLPAGC)
linkage
within
AuHQ
can
be
specifically
cleaved
overexpressed
enzyme
Cathepsin
E
(CTSE),
triggering
dual
self-assembly
AuNPs
AIE
luminogens.
The
aggregation
mediated
enzymatic
cleavage
results
potentiated
therapy
(PTT)
under
near-infrared
(NIR)
laser
irradiation,
induced
immunogenic
cell
death
(ICD),
enhanced
photoacoustic
imaging.
Simultaneously,
luminogen
aggregates
formed
hydrophobic
interaction
generate
fluorescence,
enabling
real-time
specific
fluorescence
Furthermore,
coadministration
an
indoleamine
2,3-dioxygenase
1
(IDO1)
inhibitor
with
address
PTT
efficacy
imposed
immunosuppressive
TME
leverage
synergistic
potential
activate
systemic
antitumor
immunity.
Thus,
this
well-designed
facilitates
intelligent
therapeutic
agents,
providing
efficient
approach
theranostics.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
Phototheranositcs
has
recently
aroused
extreme
attention
due
to
its
exceptional
advantages.
However,
the
poor
photothernostic
efficiency,
limited
penetration
depth,
strong
oxygen‐dependence,
and
inevitable
damage
normal
tissue
of
conventional
materials
severely
hindered
their
total
theranostic
efficacy.
Herein,
a
series
near‐infrared
second
(NIR‐II)
photosensitizers
(PSs)
featuring
aggregation‐induced
emission
(AIE),
NIR‐II
fluorescence
imaging
(FLI),
type
I
photodynamic
therapy
(PDT)
mild‐temperature
photothermal
(PTT)
are
constructed
through
dual‐strategy
methods
combining
donor
group
engineering
fluorination
engineering.
Profiting
from
sufficient
molecular
rotors
high
electronegativity
fluorine,
developed
2‐(2‐((5‐(4‐((4‐(diphenylamino)phenyl)(phenyl)amino)phenyl)thiophen‐2‐yl)methylene)‐5,6‐difluoro‐3‐oxo‐2,3‐dihydro‐1H‐inden‐1‐ylidene)malononitrile
(BTS‐2F)
2‐(2‐((5‐(4‐(bis(4‐(diphenylamino)phenyl)amino)phenyl)thiophen‐2‐yl)methylene)‐5,6‐difluoro‐3‐oxo‐2,3‐dihydro‐1H‐inden‐1‐ylidene)malononitrile
(TTS‐2F)
endowed
with
AIE
property,
radical
reactive
oxygen
species
(ROS)
generation
ability
conversion.
Through
thin
film
hydration
method,
prepared
BTS‐2F
TTS‐2F
loaded
liposomes
exhibit
significant
FLI
improved
type‐I
PDT/mild‐temperature
PTT
under
laser
irradiation
both
in
vitro
orthotopic
4T1
mice
models.
Aggregate,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
ABSTRACT
Human
papillomavirus
(HPV)
is
a
highly
prevalent
venereal
pathogen
accounting
for
genital
warts
and
various
cancers
like
cervical,
anal,
oropharyngeal
cancers.
Although
imiquimod,
topical
medication,
commonly
used
to
treat
induced
by
HPV,
its
potential
as
an
in
situ
immune
response
regulator
HPV‐related
has
rarely
been
explored.
In
this
study,
we
developed
innovative
synergistic
therapeutic
platform
integrating
near‐infrared‐II
(NIR‐II)
absorbing
aggregation‐induced
emission
(AIE)
agent
(TPE‐BT‐BBTD)
imiquimod
into
injectable
hydrogel
named
TIH.
TPE‐BT‐BBTD
molecule
that
serves
photothermal
agent,
with
exposure
1064
nm
laser,
effectively
destroys
tumor
cells
releases
tumor‐related
antigens.
During
the
thermogenesis
process,
melts
imiquimod.
The
released
conjunction
dead
antigens,
stimulates
dendritic
cell
maturation,
activating
system
ultimately
eliminate
residual
cancer
cells.
This
novel
approach
combines
immunomodulatory
effects
of
nm‐excitable
delivery
system,
offering
promising
tactic
combating
HPV‐associated
Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
15(1), P. 269 - 269
Published: Jan. 12, 2023
This
paper
reports
on
the
design
and
synthesis
of
new
multifunctional
porphyrin-based
therapeutic
agents
for
potential
diagnostic
applications.
Zinc
complexes
A3B-type
meso-arylporphyrins
containing
OH-
COOH-
groups
were
modified
with
chelating
ligands
based
4'-(4-methylphenyl)-2,2':6',2″-terpyridine
derivatives
in
high
yields.
Novel
Gd(III),
Fe(III)
obtained
these
conjugates.
Aggregation
behaviour
solutions
different
solubilisers
was
studied
to
inform
selection
optimal
solubilising
platform
porphyrins
obtained;
their
photophysical
photochemical
properties
also
characterised.
Micellar
Pluronic
F127
formulation
found
be
most
effective
solubiliser
stabilising
fluorescence-active
monomolecular
form
photosensitisers
(PS).
In
vitro
cytotoxicity
compounds
HEP-2
cell
line
without
irradiation
1.5
24
h.
As
a
result,
IC50
12
14
at
an
dose
8.073
J/cm2
shown
1.87
±
0.333
1.4
0.152
μM,
respectively;
irradiation,
compound
had
no
toxic
effect
within
concentration
range
(1.5
h).
A
test
inhibition
metabolic
cooperation
or
promoter
activity
performed
abovementioned
compounds,
showing
efficacy
safety
conjugates
obtained.
Preliminary
data
have
indicated
type
PS
promising
molecular
theranostic
agents.
Biomaterials Research,
Journal Year:
2024,
Volume and Issue:
28
Published: Jan. 1, 2024
Background:
Near-infrared
(NIR)
phototheranostics
provide
promising
noninvasive
imaging
and
treatment
for
head
neck
squamous
cell
carcinoma
(HNSCC),
capitalizing
on
its
adjacency
to
skin
or
mucosal
surfaces.
Activated
by
laser
irradiation,
targeted
NIR
fluorophores
can
selectively
eradicate
cancer
cells,
harnessing
the
power
of
synergistic
photodynamic
therapy
photothermal
therapy.
However,
there
is
a
paucity
bioprobes
showing
tumor-specific
targeting
effective
phototheranosis
without
hurting
surrounding
healthy
tissues.
Methods:
We
engineered
bifunctional
bioprobe
designed
precisely
target
HNSCC
induce
using
bioconjugation
cyclic
arginine-glycine-aspartic
acid
(cRGD)
motif
zwitterionic
polymethine
fluorophore.
The
cytotoxic
effects
cRGD-ZW800-PEG
were
measured
assessing
heat
reactive
oxygen
species
(ROS)
generation
upon
an
808-nm
irradiation.
then
determined
in
vivo
efficacy
FaDu
xenograft
mouse
model
HNSCC,
as
well
biodistribution
clearance,
customized
portable
system.
Results:
Real-time
revealed
that
intravenously
administered
tumors
rapidly
within
4
h
postintravenous
injection
tumor-bearing
mice.
Upon
produced
ROS
simultaneously
exhibited
tumoral
tissue
affecting
neighboring
Importantly,
all
unbound
cleared
through
renal
excretion.
Conclusions:
By
combination
with
tailored
tumor
selectivity,
our
ushers
paradigm
treatment.
It
promises
safer
more
efficacious
therapeutic
avenues
against
cancer,
marking
substantial
advancement
field.