Abstract
Extracellular
vesicles
(EVs)
are
nanosized
particles
that
released
by
various
cell
types
and
play
vital
roles
in
intercellular
communication.
They
carry
biological
molecules
reflecting
the
physiological
pathological
states
of
their
source
cells
tissues,
showing
potential
as
biomarkers.
However,
impact
demographic
factors
like
age
sex
on
properties
blood
plasma
EVs
remains
underexplored.
This
study
aims
to
fill
this
gap
evaluating
how
these
influence
particle
count
proteomic
profiles
EV
preparations
corresponding
protein
fractions.
Plasma
samples
from
120
healthy
volunteers
were
collected
pooled
into
six
groups:
young
males
(age:
27.6
±
4.0),
females
(27.4
3.8),
middle‐aged
(48.8
(48.9
3.9),
old
(69.3
(69.4
4.3).
EV‐
protein‐enriched
fractions
separated
size‐exclusion
chromatography
(SEC).
Fractions
characterized
for
number
concentration
composition
identify
characteristics
affected
sex.
exhibited
distinct
characteristics,
with
differential
enrichment
markers
related
other
components,
including
lipoproteins.
Proteomic
both
displayed
sex‐
age‐dependent
differences.
Differentially
abundant
proteins
functions
previously
identified
context
aging
differences,
highlighting
utility
Age
significantly
affect
proteins,
potentially
influencing
efficacy
interpretation
biomarkers
clinical
applications.
lays
groundwork
detailed
mechanistic
research
understand
mediate
age‐
sex‐related
effects
health.
Journal of Extracellular Vesicles,
Год журнала:
2024,
Номер
13(2)
Опубликована: Фев. 1, 2024
Extracellular
vesicles
(EVs),
through
their
complex
cargo,
can
reflect
the
state
of
cell
origin
and
change
functions
phenotypes
other
cells.
These
features
indicate
strong
biomarker
therapeutic
potential
have
generated
broad
interest,
as
evidenced
by
steady
year-on-year
increase
in
numbers
scientific
publications
about
EVs.
Important
advances
been
made
EV
metrology
understanding
applying
biology.
However,
hurdles
remain
to
realising
EVs
domains
ranging
from
basic
biology
clinical
applications
due
challenges
nomenclature,
separation
non-vesicular
extracellular
particles,
characterisation
functional
studies.
To
address
opportunities
this
rapidly
evolving
field,
International
Society
for
Vesicles
(ISEV)
updates
its
'Minimal
Information
Studies
Vesicles',
which
was
first
published
2014
then
2018
MISEV2014
MISEV2018,
respectively.
The
goal
current
document,
MISEV2023,
is
provide
researchers
with
an
updated
snapshot
available
approaches
advantages
limitations
production,
multiple
sources,
including
culture,
body
fluids
solid
tissues.
In
addition
presenting
latest
art
principles
research,
document
also
covers
advanced
techniques
that
are
currently
expanding
boundaries
field.
MISEV2023
includes
new
sections
on
release
uptake
a
brief
discussion
vivo
study
Compiling
feedback
ISEV
expert
task
forces
more
than
1000
researchers,
conveys
research
facilitate
robust
discoveries
move
field
forward
even
rapidly.
Abstract
Osteoporosis
is
a
widely
observed
condition
characterized
by
the
systemic
deterioration
of
bone
mass
and
microarchitecture,
which
increases
patient
susceptibility
to
fragile
fractures.
The
intricate
mechanisms
governing
homeostasis
are
substantially
impacted
extracellular
vesicles
(EVs),
play
crucial
roles
in
both
pathological
physiological
contexts.
EVs
derived
from
various
sources
exert
distinct
effects
on
osteoporosis.
Specifically,
released
osteoblasts,
endothelial
cells,
myocytes,
mesenchymal
stem
cells
contribute
formation
due
their
unique
cargo
proteins,
miRNAs,
cytokines.
Conversely,
secreted
osteoclasts
immune
promote
resorption
inhibit
formation.
Furthermore,
use
as
therapeutic
modalities
or
biomaterials
for
diagnosing
managing
osteoporosis
promising.
Here,
we
review
current
understanding
impact
homeostasis,
including
classification
biogenesis
regulatory
present
an
overview
latest
research
progress
treating
using
EVs.
Finally,
discuss
challenges
prospects
translational
Frontiers in Bioengineering and Biotechnology,
Год журнала:
2025,
Номер
13
Опубликована: Фев. 19, 2025
Extracellular
vesicles
(EVs)
are
nano-sized,
membranous
structures
secreted
by
cells
into
the
extracellular
space,
have
attracted
considerable
attention
in
field
of
biosciences
for
their
role
intercellular
communication
various
physiological
and
pathological
processes.
Their
ubiquitous
presence
bodily
fluids
cell-specific
characteristics
make
them
promising
candidates
as
biomarkers.
Additionally,
ability
to
transport
biological
therapeutics
across
different
barriers
specific
target
underscores
significant
translational
potential
diagnostic
therapeutic
purposes.
Significant
progress
has
been
achieved
translation
EVs
research
clinical
applications,
however,
challenges
persist
large-scale
production
EVs,
particularly
areas
scalable
manufacturing,
efficient
isolation
methods,
drug
loading
techniques,
advanced
characterization
technology.
This
review
critically
examines
complex
processes
involved
biogenesis
explores
recent
developments
production.
By
synthesizing
knowledge
from
these
fields,
this
aims
provide
a
holistic
perspective
on
evolving
landscape
its
underscoring
both
accomplishments
obstacles
that
lie
ahead
fully
realizing
biomedicine.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(34), С. 44386 - 44398
Опубликована: Авг. 16, 2024
Extracellular
vesicles
(EVs)
are
present
in
blood
at
much
lower
concentrations
(5-6
orders
of
magnitude)
compared
to
lipoprotein
particles
(LP).
Because
LP
and
EV
overlap
size
density,
isolating
high-purity
EVs
is
a
significant
challenge.
While
the
current
two-step
sequential
isolation
process
using
size-expression
chromatography
(SEC)
followed
by
density
gradient
(DG)
achieves
high
purity,
time-consuming
ultracentrifugation
(UC)
step
DG
hinders
workflow
efficiency.
This
paper
introduces
an
optimized
magnetic
bead
reagent,
LipoMin,
functionalized
with
glycosaminoglycans
(GAGs),
as
rapid
alternative
for
removal
during
second-step
about
10
minutes.
We
evaluated
LipoMin's
efficacy
on
two
sample
types:
(a)
fractions
isolated
exclusion
(SEC
+
LipoMin)
(b)
pellet
obtained
from
(UC
LipoMin).
The
remarkably
simple,
involving
min
incubation
LipoMin
separation
LP-depleted
EV-containing
supernatant.
Results
enzyme-linked
immunosorbent
assay
(ELISA)
revealed
that
removes
98.2%
ApoB
SEC
fractions,
comparable
ability
process.
Importantly,
yield
(CD81
ELISA)
remained
93.0%
Western
blot
analysis
confirmed
key
markers,
flotillin
CD81,
were
not
compromised.
Recombinant
(rEV),
reference
standard,
was
spiked
into
recovered
89%
CD81
protein.
For
UC
ApoA1
decreased
76.5%
while
retaining
90.7%
CD81.
Notably,
both
colorectal
cancer
(CRC)
Alzheimer's
disease
(AD)
samples
processed
displayed
clear
expression
relevant
clinical
markers.
With
(resulting
96%
time
saving
traditional
method),
reagent
offers
efficient
depletion,
paving
way
streamlined
Cells,
Год журнала:
2024,
Номер
13(8), С. 702 - 702
Опубликована: Апрель 18, 2024
Analysis
of
blood-based
indicators
brain
health
could
provide
an
understanding
early
disease
mechanisms
and
pinpoint
possible
intervention
strategies.
By
examining
lipid
profiles
in
extracellular
vesicles
(EVs),
secreted
particles
from
all
cells,
including
astrocytes
neurons,
circulating
clinical
samples,
important
insights
regarding
the
brain’s
composition
can
be
gained.
Herein,
a
targeted
lipidomic
analysis
was
carried
out
EVs
derived
plasma
samples
after
removal
lipoproteins
individuals
with
Alzheimer’s
(AD)
healthy
controls.
Differences
were
observed
for
selected
species
glycerolipids
(GLs),
glycerophospholipids
(GPLs),
lysophospholipids
(LPLs)
sphingolipids
(SLs)
across
three
distinct
EV
subpopulations
(all-cell
origin,
by
immunocapture
CD9,
CD81
CD63;
neuronal
L1CAM;
astrocytic
GLAST).
The
findings
new
into
isolated
specific
families
(MG,
DG,
Cer,
PA,
PC,
PE,
PI,
LPI,
LPE,
LPC),
as
well
differences
between
AD
control
individuals.
This
study
emphasizes
crucial
role
lipidomics
comprehensive
approach
identifying
biomarkers
biological
targets
related
disorders,
facilitating
diagnosis
potentially
informing
novel
interventions.
Journal of Extracellular Biology,
Год журнала:
2024,
Номер
3(3)
Опубликована: Март 1, 2024
Abstract
Extracellular
vesicles
(EVs)
play
a
pivotal
role
in
various
biological
pathways,
such
as
immune
responses
and
the
progression
of
diseases,
including
cancer.
However,
it
is
challenging
to
isolate
EVs
at
high
purity
from
blood
plasma
other
biofluids
due
their
low
abundance
compared
more
predominant
biomolecular
species
lipoprotein
particles
free
protein
complexes.
Ultracentrifugation‐based
EV
isolation,
current
gold
standard
technique,
cannot
overcome
this
challenge
similar
biophysical
characteristics
species.
We
developed
several
novel
approaches
enrich
while
depleting
contaminating
molecular
using
multimode
chromatography‐based
strategies.
On
average,
we
identified
716
±
68
1054
35
groups
isolates
100
µL
chromatography‐
ultracentrifugation‐based
techniques,
respectively.
The
methods
resulted
purity,
providing
significant
advantages
simplicity,
throughput,
scalability,
applicability
for
downstream
analytical
potential
clinical
applications.
Abstract
Background
Extracellular
vesicles
(EVs)
are
amongst
the
most
promising
candidates
for
developing
blood-based
biomarkers.
However,
patient
sample
availability
is
a
key
barrier
to
translational
research
whilst
biobanks
store
samples
of
1.5mL
volume
or
less.
To
date,
there
no
consensus
on
suitable
method
EV
separation
and
current
techniques
frequently
require
large
volumes
biofluids,
complicated
technology,
technical
expertise,
significant
operating
costs,
which
prevents
their
widespread
adoption
by
less
EV-focussed
laboratories.
Therefore,
need
an
easy
reproducible
that
separates
representative
EVs
from
clinically
relevant
1mL
plasma
prior
subsequent
biomarker
identification.
Methods
In
this
study,
were
separated
human
using
four
different
techniques:
size
exclusion
chromatography
(SEC),
differential
ultracentrifugation,
precipitation,
immunoaffinity
magnetic
bead
capture.
The
characterised
several
orthogonal
(protein
quantification,
nanoparticle
tracking
analysis,
transmission
electron
microscopy,
Western
blot,
single
particle
interferometric
reflectance
imaging
sensing,
mass
spectrometry-based
proteomics)
comprehensively
compare
samples.
Results
We
provide
examples
anticipated
results
highlighting
SEC-processed
have
greater
protein
quantification
yield,
yield
expected
EVs,
sufficient
purity,
facilitates
effective
cargo
assessment
proteomics.
Moreover,
we
confirm
overlap
with
known
EV-related
proteins
within
Vesiclepedia
database.
Additionally,
sensing
(Leprechaun®),
identify
SEC
has
surface
tetraspanin
distribution
population
compared
unprocessed
plasma.
Discussion
Given
requires
minimal
technology
can
separate
90
min,
comparison
reinforces
as
making
it
implementation.
Pharmaceutics,
Год журнала:
2024,
Номер
16(11), С. 1394 - 1394
Опубликована: Окт. 29, 2024
In
the
tenth
year
since
first
edition
of
MISEV
was
released
in
2014,
MISEV2023
has
been
reported
2024
with
aim
refining
standard
and
improving
rigor,
reproducibility,
transparency
extracellular
vesicle
(EV)
research
to
clarify
requirements
for
experimental
design
EVs,
emphasize
importance
reproducible
results
as
well
encouraging
openness
information.
The
release
significantly
contributed
quality
field
which
creates
a
more
reliable
environment.
However,
despite
important
role
MISEV,
there
is
still
need
EV
researchers
continue
push
widespread
implementation
guidelines
meet
evolving
nature
challenges
research.
evolution
attention
it
receives
have
grown
exponentially
over
time,
number
people
involved
writing
MISEV.
Here,
this
review
briefly
summarizes
three
editions
aiming
recall
MISEV2014
MISEV2018
while
learning
about
latest
release,
MISEV2023,
gain
deeper
understanding
content,
provide
quick
note
beginners
who
want
learn
explore
world.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 3, 2024
Abstract
Extracellular
vesicles
(EVs)
are
released
by
all
cells
and
contain
RNA
protein
from
their
cell
of
origin.
EVs
in
biofluids
could
be
used
as
diagnostic
biomarkers
to
non-invasively
report
the
state
inaccessible
cells,
such
neurons
brain.
As
cerebrospinal
fluid
(CSF)
plasma
originating
many
different
isolating
type-specific
measuring
cargo
help
determine
specific
types.
Here,
we
demonstrate
an
approach
aiming
immuno-isolate
based
on
neuron-derived
surface
markers.
We
first
developed
a
framework
select
transmembrane
proteins
suitable
neuron-specific
EV
markers
gene
expression
proteomics
data.
Leveraging
novel,
high-purity
isolation
method
developed,
further
cataloged
present
human
CSF
plasma.
Using
ultrasensitive
immunoassays
against
several
predicted
proteins,
confirmed
one
marker,
NRXN3
size
exclusion
chromatography
(SEC)
density
gradient
centrifugation
(DGC).
Finally,
efficient
immuno-isolation
methods
applied
them
isolate
+
EVs.
Our
study
provides
general
methodology
for
cell-type
paves
way
use
diagnose
neurological
disease.