Molecules,
Год журнала:
2024,
Номер
29(22), С. 5241 - 5241
Опубликована: Ноя. 6, 2024
Extracellular
vesicles
(EVs)
are
a
population
of
nanoscale
particles
surrounded
by
phospholipid
bilayer,
enabling
intercellular
transfer
bioactive
molecules.
Once
released
from
the
parental
cell,
EVs
can
be
found
in
most
biological
fluids
human
body
and
isolated
them.
For
this
reason,
have
significant
diagnostic
potential
serve
as
an
excellent
source
circulating
disease
biomarkers.
Protein
glycosylation
plays
key
role
many
processes,
aberrant
is
hallmark
various
diseases.
been
shown
to
carry
multiple
glycoproteins,
but
little
known
about
specific
roles
these
glycoproteins
context
EVs.
Moreover,
changes
EV
described
for
several
diseases,
including
cancers
metabolic,
cardiovascular,
neurological
or
kidney
Urine
richest
EVs,
providing
almost
unlimited
(in
terms
volume)
opportunities
non-invasive
isolation.
Recent
studies
also
revealed
pathological
link
between
urinary
urological
cancers,
well
other
pathologies
tract.
In
review,
we
discuss
recent
research
advances
field
diagnostic/prognostic
glycosylation.
addition,
summarize
common
methods
isolating
urine
techniques
used
study
their
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 5, 2024
Extracellular
vesicles
(EVs)
harbor
abundant
glycans
that
mediate
various
functions,
such
as
intercellular
communication
and
disease
advancement,
which
play
significant
roles
in
progression.
However,
the
presence
of
EV
heterogeneity
body
fluids
complex
nature
glycan
structures
have
posed
challenges
for
detection
glycans.
In
this
study,
we
provide
a
streamlined
method
integrated,
ACS Applied Bio Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
As
we
progress
into
the
21st
century,
cancer
stands
as
one
of
most
dreaded
diseases.
With
approximately
in
every
four
individuals
facing
a
lifetime
risk
developing
cancer,
remains
serious
health
challenges
worldwide.
Its
multifaceted
nature
makes
it
an
arduous
and
tricky
problem
to
diagnose
treat.
Over
years,
researchers
have
explored
plenty
approaches
avenues
improve
management.
One
notable
strategy
includes
study
extracellular
vesicles
(EVs)
potential
biomarkers
therapeutics.
Among
these
EVs,
exosomes
emerged
particularly
promising
candidates
due
their
unique
characteristic
properties
functions.
They
are
small
membrane-bound
secreted
by
cells
carrying
cargo
biomolecules
such
proteins,
nucleic
acids,
lipids.
These
play
crucial
roles
intercellular
communication,
facilitating
transfer
biological
information
between
cell-to-cell
communication.
Exosomes
transport
cargoes
DNA,
RNA,
lipids
involved
cellular
reprogramming
promoting
cancer.
In
this
review,
explore
molecular
composition
exosomes,
significance
chemistry
development,
its
theranostic
application
well
research
complications
solutions.
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
The
protein
glycosylation
of
extracellular
vesicles
(EVs)
is
involved
in
cellular
recognition
and
emerges
as
a
promising
biomarker
for
cancer
diagnosis.
However,
the
lack
efficient
labeling
high-resolution
detection
strategies
limits
their
clinical
application.
Herein,
we
developed
self-localized
plasmonic
nanocavity
strategy
to
analyze
characteristics
glioblastoma
EVs.
First,
an
engineered
phospholipid
bilayer
structure
with
Au
nanoring
array
was
designed
capture
EVs
induce
membrane
fusion.
Relying
on
multifunctional
proximity
process,
peroxidase-induced
label
sialic
acid
programmed
cell
death
ligand
1
(PD-L1)
Based
identification
process
EVs,
nanocubes
achieved
spontaneous
location
MoSe2
QDs.
uniformly
enhanced
electromagnetic
field
resulted
polarized
luminescence
signal
QDs
improving
sensitivity
resolution.
This
system
demonstrated
precise
distinction
sensitive
quantification
EV
cerebrospinal
fluid
distinguish
glioblastoma.
research
provided
novel
promoted
application
Pancreatic
ductal
adenocarcinoma
(PDAC)
tumor
heterogeneity
impedes
the
development
of
biomarker
assays
for
early
disease
detection.
We
hypothesized
that
PDAC
cell
subpopulations
could
be
identified
by
aberrant
glycan
signatures
in
both
tissue
and
blood
samples.
used
multiplexed
immunofluorescence
to
distinguish
between
noncancer
within
tissue,
we
developed
hybrid
sandwich
determine
whether
detected
found
cells
were
glycans
four
glycan-binding
proteins
(VVL,
CA19-9,
sTRA,
GM2)
there
are
three
types
glycan-defined
tumors:
sTRA
type,
CA19-9
intermixed.
In
patient-matched
samples,
type
determined
blood.
As
a
result,
combined
more
sensitive
specific
than
any
individual
assay.
Our
results
demonstrate
methodology
detect
stratify
PDAC.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 23, 2024
Pancreatic
ductal
adenocarcinoma
(PDAC)
tumor
heterogeneity
impedes
the
development
of
biomarker
assays
suitable
for
early
disease
detection
that
would
improve
patient
outcomes.
The
CA19-9
glycan
is
currently
used
as
a
standalone
PDAC.
Furthermore,
previous
studies
have
shown
cancer
cells
may
display
aberrant
membrane-associated
glycans.
We
therefore
hypothesized
PDAC
cell
subpopulations
could
be
distinguished
by
signatures.
multiplexed
immunofluorescence
combined
with
pathologist
annotation
and
automated
image
processing
to
distinguish
between
within
tissue.
Using
training-set/test-set
approach,
we
found
identified
signatures
comprising
4
glycans
(VVL,
CA19-9,
sTRA,
GM2)
there
are
three
glycan-defined
types:
sTRA
type,
intermixed.
To
determine
whether
detected
in
blood
samples,
developed
hybrid
sandwich
In
both
patient-matched
proportion
was
consistent.
our
immunofluorescent
approach
proved
more
sensitive
specific
than
alone.
Our
results
provide
proof
concept
novel
methodology
Cell Communication and Signaling,
Год журнала:
2025,
Номер
23(1)
Опубликована: Апрель 29, 2025
Extracellular
vesicles
(EVs)
are
nanoscale
structures
involved
in
intercellular
communication
and
play
a
key
role
cancer
pathology.
Intrahepatic
cholangiocarcinoma
(ICC)
is
highly
invasive
malignancy
marked
by
abnormal
sialylated
glycosylation.
Analyzing
proteins
glycans
EVs
provides
insights
into
ICC
molecular
subtyping
mechanisms.
Optimizing
EV
isolation
methods
for
ICC-derived
enables
comprehensive
proteomic
glycomic
analysis.
We
systematically
evaluated
five
methods-Ultracentrifugation
(UC),
exoEasy,
Total
Exosome
Isolation
(TEI),
EVtrap,
ÄKTA-by
analyzing
the
biophysical
properties,
profiles,
of
EVs.
Subsequently,
we
applied
TMT-based
quantitative
proteome
light/heavy
methylamine
labeling
quantification
N-glycan
linkage
isomers
to
investigate
alterations
N-glycans
within
secreted
HuCCT1
HCCC-9810
cells
with
overexpressing
ST6
β‑galactoside
α2,6‑sialyltransferase
1
(ST6GAL1).
By
evaluating
proteome,
N-glycome
extracted
using
different
methods,
UC
was
identified
as
optimal
approach
this
study,
it
offered
balance
between
operational
complexity,
cost-effectiveness,
preservation
activity.
In
total
1,928
high-confidence
over
84
were
quantified.
ST6GAL1
exhibited
consistent
upregulation
16
proteins,
downregulation
10
well
3
glycans.
Quantitative
analysis
revealed
that
overexpression
led
significant
cell
adhesion
glycosylation
pathways,
along
specific
changes
structures.
Notably,
these
modifications
extended
beyond
α2,6-sialylation,
suggesting
interactions
glycosyltransferases
may
drive
alterations.
Frontiers in Oncology,
Год журнала:
2024,
Номер
14
Опубликована: Июль 8, 2024
Objective
Although
urinary
extracellular
vesicles
(uEVs)
have
been
extensively
studied
in
various
cancers,
their
involvement
breast
cancer
(BC)
remains
largely
unexplored.
The
non-invasive
nature
of
urine
as
a
biofluid
and
its
abundant
protein
content
offer
considerable
potential
for
the
early
detection
cancer.
Methods
This
study
analyzed
proteomic
profiles
uEVs
from
BC
patients
healthy
controls
(HC).
dysregulation
ECM1
ANXA1
was
validated
larger
cohort
128
patients,
25
HC
benign
nodules
(BBN)
by
chemiluminescence
assay
(CLIA).
expression
levels
were
also
confirmed
MMTV-PyMT
transgenic
mouse
models.
Results
LC-MS/MS
analysis
identified
571
dysregulated
proteins
patients.
selected
validation
BBN
using
CLIA,
fold
change
showed
significant
difference
more
than
10
with
p
-value<0.05.
Protein
significantly
increased
In
addition,
mice
observed
to
increase
progressively
progression
Conclusion
We
developed
simple
purification-free
platform
isolate
quantitatively
detect
WGA-coupled
magnetic
beads
CLIA.
Our
results
suggest
that
could
potentially
serve
diagnostic
biomarkers