Bioengineering,
Journal Year:
2023,
Volume and Issue:
10(8), P. 892 - 892
Published: July 27, 2023
MicroRNAs
(miRNAs)
comprise
a
class
of
non-coding
RNA
with
extensive
regulatory
functions
within
cells.
MiR-106a
is
recognized
for
its
super-regulatory
roles
in
vital
processes.
Hence,
the
analysis
expression
association
diseases
has
attracted
considerable
attention
molecular
diagnosis
and
drug
development.
Numerous
studies
have
investigated
miR-106
target
genes
shown
that
this
miRNA
regulates
some
critical
cell
cycle
apoptosis
factors,
suggesting
miR-106a
as
an
ideal
diagnostic
prognostic
biomarker
therapeutic
potential.
Furthermore,
reported
correlation
between
level
cancer
resistance
demonstrated
complexity
different
tissues.
In
study,
we
conducted
comprehensive
review
on
levels
various
cancers
other
diseases,
emphasizing
genes.
The
promising
findings
surrounding
suggest
potential
valuable
biomolecule.
However,
further
validation
assessments
overcoming
existing
limitations
are
crucial
steps
before
clinical
implementation
can
be
realized.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(16), P. 9225 - 9375
Published: Aug. 13, 2024
Reactive
oxygen
and
nitrogen
species
are
small
reactive
molecules
derived
from
elements
in
the
air─oxygen
nitrogen.
They
produced
biological
systems
to
mediate
fundamental
aspects
of
cellular
signaling
but
must
be
very
tightly
balanced
prevent
indiscriminate
damage
molecules.
Small
molecule
probes
can
transmute
specific
nature
each
into
an
observable
luminescent
signal
(or
even
acoustic
wave)
offer
sensitive
selective
imaging
living
cells
whole
animals.
This
review
focuses
specifically
on
for
superoxide,
hydrogen
peroxide,
hypochlorite,
nitric
oxide,
peroxynitrite
that
provide
a
or
photoacoustic
signal.
Important
background
information
general
photophysical
phenomena,
common
probe
designs,
mechanisms,
modalities
will
provided,
then,
analyte
thoroughly
evaluated.
A
discussion
successes
field
presented,
followed
by
recommendations
improvement
future
outlook
emerging
trends.
Our
objectives
informative,
useful,
thorough
guide
as
well
important
context
compare
ecosystem
chemistries
molecular
scaffolds
has
manifested
within
field.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
16(10), P. 4490 - 4500
Published: Jan. 1, 2025
Bridging
the
disparity
between
traditional
surgical
resection
imaging
and
ex
vivo
histopathology,
fluorescence
is
considered
a
promising
tool
in
disease
diagnosis
navigation.
Nevertheless,
its
usefulness
undermined
by
variability
of
single-wavelength
signals
limited
penetration
NIR-I
(650-900
nm)
bioimaging.
In
this
work,
we
present
novel
NIR-II
ratiometric
fluorescent
probe
(CFC-GSH)
with
γ-glutamyl
transpeptidase
(GGT)
sensitivity
for
multifunctional
This
leverages
GSH-capped
anionic
cyanine,
advantages
high
brightness,
excellent
photostability,
specificity
favourable
biocompatibility.
CFC-GSH
exhibits
an
intrinsically
stable
signal
prior
to
triggering,
which
can
be
utilized
systemic
circulation
vessel
outlining
microvascular
imaging.
At
tumour
site
GGT
over
expression,
intramolecular
S,N-rearrangement
would
initiate
conversion
sulphur-substituted
cyanine
amino-substituted
resulting
significant
emission
shift
270
nm.
Using
dual-channel
changes,
effectively
differentiates
subcutaneous
hepatocellular
carcinoma
(HCC)
normal
tissue
precisely
localizes
metastatic
HCC
tumours
abdominal
cavity.
These
results
reveal
that
potential
as
multiprospective
candidate
screening
diagnostic
various
biological
scenarios.
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
High-fidelity
tracking
of
glycogen
dynamics
in
living
biosystems
is
critical
for
exploring
the
biological
role
metabolism
diseases.
However,
situ
information
on
state
mainly
relies
a
glucose
uptake
fluorescence
probe
2-NBDG,
which
has
proven
to
be
extremely
limited
owing
"always-on"
fluorescence,
short
emission
wavelength,
and
low
signal-to-noise
(S/N)
ratio.
Herein,
we
first
time
demonstrate
metabolic-activated
off-on
through
covalently
attaching
molecular
rotor
with
hydrophilic
at
C-2
position
guarantee
good
miscibility
complete
fluorescence-off
before
metabolic
incorporation
into
particles.
The
Glycogen-Red
achieves
negligible
background
(1/30
times
than
2-NBDG)
an
ultrahigh
S/N
ratio
(61-fold
lighting-up
near-infrared
(NIR)
biosynthesis.
Notably,
our
unique
characteristic
bypassing
washing
steps,
offering
powerful
toolbox
real-time
biosynthesis
super-resolution
mapping
structures
cells.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(7)
Published: Dec. 8, 2023
Pentamethyl
cyanine
dyes
are
promising
fluorophores
for
fluorescence
sensing
and
imaging.
However,
advanced
biomedical
applications
require
enhanced
control
of
their
excited-state
properties.
Herein,
a
synthetic
approach
attaching
aryl
substituents
at
the
C2'
position
thio-pentamethine
(TCy5)
dye
structure
is
reported
first
time.
C2'-aryl
substitution
enables
regulation
both
twisted
intramolecular
charge
transfer
(TICT)
photoinduced
electron
(PET)
mechanisms
to
be
regulated
in
excited
state.
Modulation
these
allows
design
nitroreductase-activatable
TCy5
fluorophore
hypoxic
tumor
photodynamic
therapy
These
provide
tunable
platform
engineering
tailored
sophisticated
biological
applications,
such
as
therapy.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(13)
Published: Feb. 8, 2024
Abstract
Liposomes
serve
as
promising
and
versatile
vehicles
for
drug
delivery.
Tracking
these
nanosized
vesicles,
particularly
in
vivo
,
is
crucial
understanding
their
pharmacokinetics.
This
study
introduces
the
design
synthesis
of
three
new
conjugated
electrolyte
(CE)
molecules,
which
emit
second
near‐infrared
window
(NIR‐II),
facilitating
deeper
tissue
penetration.
Additionally,
CEs,
acting
biomimetics
lipid
bilayers,
demonstrate
superior
compatibility
with
membranes
compared
to
commonly
used
carbocyanine
dyes
like
DiR
.
To
counteract
aggregation‐caused
quenching
effect,
CEs
employ
a
twisted
backbone,
such
fluorescence
intensities
can
effectively
enhance
after
fluorophore
multimerization
strategy.
Notably,
“passive”
method
was
employed
integrate
into
liposomes
during
liposome
formation,
membrane
incorporation
efficiency
significantly
promoted
nearly
100%.
validate
tracking
capability,
CE‐containing
were
functionalized
cyclic
arginine‐glycine‐aspartic
acid
(cRGD)
peptides,
serving
tumor‐targeting
ligands.
Clear
fluorescent
images
visualizing
tumor
site
living
mice
captured
by
collecting
NIR‐II
emission.
Uniquely,
exhibit
additional
emission
peak
visible
region,
enabling
vitro
subcellular
analysis
using
routine
confocal
microscopy.
These
results
underscore
potential
new‐generation
membrane‐targeting
probes
facilitate
liposome‐based
medicine
research.