A Bioluminescent Probe for H2S Detection in Tumor Microenvironment
ACS Bio & Med Chem Au,
Journal Year:
2025,
Volume and Issue:
5(1), P. 175 - 183
Published: Jan. 3, 2025
Hydrogen
sulfide
(H2S)
is
an
endogenous
gaseous
signaling
molecule
that
regulates
various
physiological
functions,
and
its
abnormal
levels
have
been
closely
linked
to
the
onset
progression
of
numerous
diseases
including
renal
cell
carcinoma
(RCC).
RCC
most
common
malignant
tumor
kidney,
accounting
for
85-90%
all
kidney
cancer
cases.
However,
studies
using
H2S
as
a
biomarker
monitoring
at
molecular
level
remain
relatively
limited.
Most
current
luminescent
probes
suffer
from
low
sensitivity
often
need
external
stimuli,
such
cysteine,
artificially
elevate
levels,
thereby
reducing
their
effectiveness
in
detecting
cells
or
vivo.
Although
bioluminescent
imaging
are
gaining
attention
specificity
high
signal-to-noise
ratio,
no
existing
specifically
designed
RCC.
Additionally,
many
face
challenges
short
emission
wavelengths
dependence
on
complex
conditions
adenosine
triphosphate
(ATP).
Herein,
through
"caging"
luciferin
substrate
QTZ
with
recognition
groups,
H2S-sensitive
probe
QTZ-N3
good
(∼0.19
μM)
selectivity
was
prepared.
can
effectively
detect
786-O-Nluc
sensitively
monitor
xenograft
nude
mouse
model
without
requiring
stimuli
like
cysteine.
Furthermore,
allows
real-time
during
progression.
This
work
lays
solid
foundation
future
understanding
biological
functions
Language: Английский
Concurrent Subcellular Delivery of Hydrogen Sulfide and a Payload with Near-Infrared Light
Katarzyna Hanc,
No information about this author
Hana Janeková,
No information about this author
Peter Štacko
No information about this author
et al.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(7), P. 2687 - 2694
Published: July 5, 2024
Hydrogen
sulfide
(H2S)
is
a
gaseous
signaling
molecule,
exerting
crucial
regulatory
functions
in
organelles
and
cellular
environments.
H2S
exhibits
high
therapeutic
potential
synergistic
effects
with
other
drugs,
its
potency
notably
enhanced
through
organelle-specific
targeting.
Yet,
the
navigation
of
light-activated
donors
to
specific
remains
absent.
Here,
we
report
first
photocage
that
simultaneously
delivers
payload
subcellular
precision
mitochondria
live
human
cells
using
tissue-penetrating
near-infrared
light
as
trigger.
The
fluorogenic
enables
real-time
monitoring
process,
demonstrate
concurrent
uncaging
combination
fluorescence
microscopy
mitochondria-specific
fluorescent
probes.
We
anticipate
these
photocages
will
permit
precise
delivery
H2S-drug
combinations
exceptional
spatiotemporal
control,
thereby
driving
harnessing
known
discovery
novel
strategies.
Language: Английский
Frontiers in Fluorescence imaging: Tools for the In-Situ Sensing of Disease Biomarkers
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
A
comprehensive
overview
of
recent
advancements
in
fluorescence
imaging
techniques
for
situ
sensing
various
biomarkers,
emphasizing
the
transformative
potential
artificial
intelligence
shaping
future
bioimaging.
Language: Английский
An activatable Near-Infrared afterglow luminescent nanoprobe with ultralong Half-Life for in vivo H2S imaging
Han Zhang,
No information about this author
Chengyuan Lv,
No information about this author
Wenkai Liu
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 157086 - 157086
Published: Oct. 1, 2024
Language: Английский
A Photo-triggered Dual-gas Donor of Nitric Oxide and Hydrogen Sulfide with Fluorescence to Real-time Monitor Its Release
Anfu Hou,
No information about this author
Zhenmei Lin,
No information about this author
Yongfang Cheng
No information about this author
et al.
The Analyst,
Journal Year:
2024,
Volume and Issue:
150(2), P. 378 - 385
Published: Dec. 3, 2024
A
dual
gas
donor
of
nitric
oxide
and
hydrogen
sulfide
is
employed
for
photocontrolled
release
in
cells
can
be
utilized
to
investigate
the
synergistic
effect
two
gases
on
inflammation
cells.
Language: Английский