Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
Noncoding
RNAs
(ncRNAs)
are
identified
as
critical
regulatory
molecules
in
tumorigenesis
and
progression.
Investigating
the
expression
patterns
of
multiple
ncRNAs
living
cells
tissues
may
facilitate
diagnosis
cancers.
Herein,
we
develop
a
programmable
automatic
cascade
machinery
for
single-molecule
profiling
ncRNAs.
This
method
involves
two
successive
amplification
events
that
can
convert
extremely
low-abundance
target
into
abundant
FAM/Cy5
generation
amplified
fluorescence
signals.
The
subsequent
detection
identify
piR-36026
with
FAM
signal
DSCAM-AS1
Cy5
signal.
Due
to
high
efficiency
signal-to-noise
ratio
imaging,
this
achieve
sensitive
limit
44.67
aM
45.71
DSCAM-AS1,
it
measure
endogenous
at
single-cell
level.
Moreover,
healthy
breast
cancer
demonstrates
feasibility
proposed
diagnostics.
By
programming
recognition
sequences
dumbbell
probes,
be
extended
other
cancer-related
ncRNAs,
great
prospects
clinical
applications.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(7)
Published: Sept. 15, 2023
Abstract
Brain
diseases,
such
as
brain
tumors,
neurodegenerative
cerebrovascular
and
injuries,
are
caused
by
various
pathophysiological
changes,
which
pose
a
serious
health
threat.
disorders
often
difficult
to
treat
due
the
presence
of
blood–brain
barrier
(BBB).
Biomimetic
nanovesicles
(BNVs),
including
endogenous
extracellular
vesicles
(EVs)
derived
from
cells
artificial
nanovesicles,
possess
ability
penetrate
BBB
thus
can
be
utilized
for
drug
delivery
brain.
BNVs,
especially
EVs,
widely
distributed
in
body
fluids
usually
carry
disease‐related
signal
molecules
proteins,
RNA,
DNA,
may
also
analyzed
understand
etiology
pathogenesis
diseases.
This
review
covers
exhaustive
classification
characterization
BNVs
roles
involved
emphatically
focuses
on
nanotechnology‐integrated
disease
theranostics,
diagnosis
strategies
precise
therapeutic
regulations
(e.g.,
immunity
regulation,
disordered
protein
clearance,
anti‐neuroinflammation,
neuroregeneration,
angiogenesis,
gut–brain
axis
regulation).
The
remaining
challenges
future
perspectives
regarding
treatment
diseases
discussed
outlined.
Journal of Nanobiotechnology,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: March 11, 2023
Programmed
cell
death
ligand
1
protein-positive
(PD-L1+)
exosomes
have
been
found
to
be
a
potential
biomarker
for
the
diagnosis
of
non-small
lung
cancer
(NSCLC).
However,
development
highly
sensitive
detection
technique
PD-L1+
is
still
challenge
in
clinical
applications.
Herein,
sandwich
electrochemical
aptasensor
based
on
ternary
metal-metalloid
palladium-copper-boron
alloy
microporous
nanospheres
(PdCuB
MNs)
and
Au@CuCl2
nanowires
(NWs)
was
designed
exosomes.
The
excellent
peroxidase-like
catalytic
activity
PdCuB
MNs
high
conductivity
NWs
endow
fabricated
with
intense
signal,
thus
enabling
low
abundance
analytical
results
revealed
that
maintained
favorable
linearity
over
wide
concentration
range
6
orders
magnitude
reached
limit
36
particles/mL.
successfully
applied
analysis
complex
serum
samples
achieves
accurate
identification
NSCLC
patients.
Overall,
developed
provides
powerful
tool
early
NSCLC.
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(4), P. 2194 - 2202
Published: April 15, 2024
Breast
cancer
is
one
of
the
most
diagnosed
cancers
worldwide.
Precise
diagnosis
and
subtyping
have
important
significance
for
targeted
therapy
prognosis
prediction
breast
cancer.
Herein,
we
design
a
proximity-guaranteed
DNA
machine
accurate
identification
extracellular
vesicles
(EVs),
which
beneficial
to
explore
subtype
features
In
our
design,
two
proximity
probes
are
located
close
on
same
EV
through
specific
recognition
coexisting
surface
biomarkers,
thus
being
ligated
with
help
click
chemistry.
Then,
product
initiates
operation
involving
catalytic
hairpin
assembly
clusters
regularly
interspaced
short
palindromic
repeats
(CRISPR)-Cas12a-mediated
trans-cleavage,
finally
generates
significant
response
that
enables
EVs
expressing
both
biomarkers.
Principle-of-proof
studies
performed
using
derived
from
cell
line
BT474
as
models,
confirming
high
sensitivity
specificity
machine.
When
further
applied
clinical
samples,
shown
be
capable
not
only
distinguishing
patients
special
subtypes
but
also
realizing
tumor
staging
regarding
disease
progression.
Therefore,
work
may
provide
new
insights
into
subtype-based
well
more
potential
therapeutic
targets
in
future.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(17), P. 2301 - 2319
Published: Jan. 1, 2024
This
feature
article
summarises
the
latest
advances,
potential
challenges,
and
future
prospects
of
CRISPR/Cas
gene-editing
technologies
in
conjunction
with
emerging
nanodevices
for
refinement
precision
liquid
biopsy
techniques.
Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
95(24), P. 9373 - 9379
Published: June 5, 2023
Extracellular
vesicle
PD-L1
(programmed
death-1
ligand
1)
is
of
greater
value
in
tumor
diagnosis,
prognosis,
and
efficacy
monitoring
anti-PD-1/PD-L1
immunotherapy.
However,
soluble
interferes
with
the
accurate
detection
extracellular
(EV)
PD-L1.
Here,
we
developed
a
microfluidic
differentiation
method
for
PD-L1,
without
interference
soluble,
by
DNA
computation
lipid
probes
aptamer
as
inputs
(DECLA).
For
DECLA
method,
cholesterol-DNA
probe
was
designed
that
efficiently
embeds
into
EV
membrane,
an
aptamer-based
used
recognition.
Due
to
stable
secondary
structure
connector,
only
cobinding
affinity
induced
biotin-labeled
connector
activation,
while
cannot
hybridize.
As
result,
EVs
can
be
captured
streptavidin-functioned
herringbone
chip
quantified
anti-CD63-induced
fluorescence
signal.
The
high
specificity
dual-input
allied
sensitivity
microfluidic-based
suitable
distinguishing
lung
cancer
patients
from
healthy
donors,
highlighting
its
potential
translation
clinical
diagnosis
therapy
monitoring.
Journal of Cancer,
Journal Year:
2023,
Volume and Issue:
14(5), P. 850 - 873
Published: Jan. 1, 2023
Programmed
death-1
is
a
protein
found
on
the
surface
of
immune
cells
that
can
interact
with
its
ligand,
programmed
death-ligand
1
(PD-L1),
which
expressed
plasma
membrane,
secreted
cellular
exosomes,
in
cell
nuclei,
or
as
circulating
soluble
protein.
This
interaction
lead
to
escape
cancer
patients.
In
clinical
settings,
PD-L1
plays
an
important
role
tumor
disease
diagnosis,
determining
therapeutic
effectiveness,
and
predicting
patient
prognosis.
inhibitors
are
also
essential
components
immunotherapy.
Thus,
detection
levels
crucial,
especially
era
precision
therapy.
recent
years,
innovations
have
been
made
traditional
immunoassay
methods
development
new
immunoassays
for
detection.
review
aims
summarize
research
progress
technology
highlight
applications
PD-L1.