Aptamer‐Coupled Polymer‐Grafted Fe3O4 Nanoparticles for Highly Efficient Isolation of Exosomes
D. Huang,
No information about this author
Junjun Yu,
No information about this author
Jia Tian
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et al.
Macromolecular Rapid Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Abstract
Exosomes,
the
bioactive
particles
secreted
by
various
cells,
are
essential
in
mediating
cellular
communication.
However,
their
small
size
and
interference
from
non‐exosome
proteins
present
significant
hurdles
for
rapid
non‐destructive
capture
release.
To
overcome
these
obstacles,
a
promising
strategy
to
efficiently
selectively
isolate
exosomes
mesenchymal
stem
cells
(MSCs)
is
developed
using
CD63
aptamer‐conjugated
magnetic
nanoparticles
(Fe
3
O
4
‐Aptamer).
The
Fe
first
modified
RAFT
polymerization
of
N
‐(methacryloyloxy)
succinimide
oligoethylene
glycol
methacrylate,
subsequently,
aptamers
grafted
onto
surface
produce
‐Aptamer.
These
aptamer
units
act
as
“lock
key”
recognition
with
on
exosomes,
enabling
specific
binding
exosomes.
‐Aptamer
can
conditioned
medium,
be
easily
collected
an
external
field,
facilitating
facile
collection
multiple‐cycle
reuse
By
introducing
complementary
sequence
aptamer,
captured
rapidly
released
because
stronger
affinity
between
aptamers.
When
utilized
exosome
isolation,
exosome‐capture
release
efficiency
achieve
up
ca.
82.9%
96.1%,
respectively.
Thus,
offers
highly
efficient
isolation
Language: Английский
Tumor cell-derived engineered exosome enhances effective immunotherapy for orthotopic glioblastoma and its recurrences
Shanshan Li,
No information about this author
Dongya Zhang,
No information about this author
Yibin Wang
No information about this author
et al.
Nano Today,
Journal Year:
2025,
Volume and Issue:
63, P. 102748 - 102748
Published: April 8, 2025
Language: Английский
Exosomal miRNAs in prenatal diagnosis: Recent advances
Keqin Jin,
No information about this author
Shuangshuang Shen,
No information about this author
Ruyong Shi
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et al.
Medicine,
Journal Year:
2024,
Volume and Issue:
103(28), P. e38717 - e38717
Published: July 12, 2024
Exosomes,
small
membranous
microvesicles
released
by
cells,
contain
a
range
of
bioactive
molecules,
including
proteins
and
miRNAs,
which
play
critical
roles
in
intercellular
communication
physiological
pathological
processes.
Current
research
suggests
that
exosomal
miRNAs
could
serve
as
valuable
biomarkers
for
prenatal
diseases,
offering
noninvasive
method
early
detection
monitoring.
Studies
linking
to
various
birth
defects,
fetal
growth
restriction,
urinary
tract
malformations,
cardiovascular
system
hereditary
diseases
like
Down
syndrome,
were
discussed.
However,
there
are
some
conflicting
study
findings
due
different
exosome
separation
methods.
Here,
we
also
discussed
methods,
emphasizing
the
importance
selection
based
on
specific
purposes
sample
types.
Further
studies
needed
standardize
isolation
techniques,
understand
mechanisms
underlying
miRNA
function,
develop
reliable
diagnostic
indicators.
Overall,
show
promise
potential
diagnosis,
but
further
is
necessary
validate
their
clinical
utility.
Language: Английский
Bone Marrow Mesenchymal Stem Cell-Derived Exosomal MiR-744-5p Alleviates Obstructive Sleep Apnea-Induced Myocardial Injury by Targeting NFIX
International Heart Journal,
Journal Year:
2024,
Volume and Issue:
65(6), P. 1144 - 1152
Published: Nov. 29, 2024
Obstructive
sleep
apnea
(OSA)
is
characterized
by
repetitive
pharyngeal
collapses
during
sleep,
which
leads
to
intermittent
hypoxia,
a
risk
factor
of
OSA-related
cardiovascular
morbidity.
Language: Английский
Application of extracellular vesicles in diabetic osteoporosis
Xiaopeng Jia,
No information about this author
G Zhang,
No information about this author
Dongmei Yu
No information about this author
et al.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: Dec. 10, 2024
As
the
population
ages,
occurrence
of
osteoporosis
is
becoming
more
common.
Diabetes
mellitus
one
factors
in
development
osteoporosis.
Compared
with
general
population,
incidence
significantly
higher
diabetic
patients.
Diabetic
(DOP)
a
metabolic
bone
disease
characterized
by
abnormal
tissue
structure
due
to
hyperglycemia
and
insulin
resistance,
reduced
strength
increased
risk
fractures.
This
complex
mechanism
that
occurs
at
cellular
level
such
as
blood
vessels,
inflammation,
resistance.
Although
application
some
drugs
clinical
practice
can
reduce
DOP,
fractures
caused
DOP
still
very
high.
Extracellular
vesicles
(EVs)
are
new
communication
mode
between
cells,
which
transfer
miRNAs
proteins
from
mother
cells
target
through
membrane
fusion,
thereby
regulating
function
cells.
In
recent
years,
role
EVs
pathogenesis
has
been
widely
demonstrated.
this
article,
we
first
describe
changes
microenvironment
Second,
DOP.
Finally,
summarize
research
progress
challenges
Language: Английский
Recent advances in porous organic framework-based aptasensors for diagnosis of cancer diseases
TrAC Trends in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 118106 - 118106
Published: Dec. 1, 2024
Language: Английский
Ligand-based Exosome Affinity Purification (LEAP) Column Chromatography: A Tool for Clinical Applications
West Kazakhstan Medical Journal,
Journal Year:
2024,
Volume and Issue:
66(4), P. 365 - 372
Published: Dec. 20, 2024
Exosomes
are
nano-sized
extracellular
vesicles
that
play
essential
roles
in
intercellular
communication,
carrying
biomolecules
such
as
proteins,
lipids,
and
RNAs
can
influence
physiological
pathological
processes.
The
isolation
of
pure
exosomes
is
critical
for
both
basic
research
clinical
applications,
including
diagnostics
therapeutics.
Traditional
exosome
techniques,
ultracentrifugation,
lack
specificity
may
yield
impure
samples,
making
the
need
advanced
techniques
evident.
Ligand-based
affinity
purification
(LEAP)
column
chromatography
has
emerged
a
novel
method
utilizes
specific
ligands
targeting
surface
markers,
providing
highly
specific,
gentle,
scalable
approach
to
isolation.
This
mini
review
explores
LEAP
chromatography’s
mechanism,
benefits,
potential
emphasizing
its
g.rowing
importance
exosome-based
therapies.
Language: Английский