Journal of Extracellular Biology,
Journal Year:
2024,
Volume and Issue:
3(1)
Published: Jan. 1, 2024
Abstract
Extracellular
vesicles
(EVs)
secreted
by
human‐induced
pluripotent
stem
cells
(hiPSCs)
have
great
potential
as
cell‐free
therapies
in
various
diseases,
including
prevention
of
blood–brain
barrier
senescence
and
stroke.
However,
there
are
still
challenges
pre‐clinical
clinical
use
hiPSC‐EVs
due
to
the
need
for
large‐scale
production
a
large
quantity.
Vertical‐Wheel
bioreactors
(VWBRs)
design
features
that
allow
biomanufacturing
using
scalable
aggregate
or
microcarrier‐based
culture
system
under
low
shear
stress.
EV
secretion
undifferentiated
hiPSCs
expanded
3‐D
aggregates
on
Synthemax
II
microcarriers
VWBRs
were
investigated.
Additionally,
two
types
collection
media,
mTeSR
HBM,
compared.
The
characterized
metabolite
transcriptome
analysis
well
biogenesis
markers.
Protein
microRNA
cargo
analysed
proteomics
microRNA‐seq,
respectively.
vitro
functional
assays
microglia
stimulation
proliferation
conducted.
HiPSCs
had
comparable
cell
number,
while
microcarrier
higher
glucose
consumption,
glycolysis
lower
autophagy
gene
expression
based
mRNA‐seq.
cultures
at
least
17–23
fold
secretion,
2.7–3.7
yield
than
HBM
medium.
Microcarrier
with
smaller
size
other
groups,
was
enriched
proteins
(proteomics)
miRNAs
(microRNA‐seq)
reducing
apoptosis
promoting
(e.g.
Wnt‐related
pathways).
demonstrated
ability
stimulating
M2
polarization
.
HiPSC
expansion
produces
much
yields
EVs
hiPSC
VWBRs.
increases
compared
HBM.
biomanufactured
from
exosomal
characteristics
stimulation,
which
paves
ways
future
vivo
anti‐aging
study.
Journal of Extracellular Vesicles,
Journal Year:
2022,
Volume and Issue:
11(6)
Published: June 1, 2022
Human
mesenchymal
stem
cell
(hMSC)
derived
extracellular
vesicles
(EVs)
have
shown
therapeutic
potential
in
recent
studies.
However,
the
corresponding
components
are
largely
unknown,
and
scale-up
production
of
hMSC
EVs
is
a
major
challenge
for
translational
applications.
In
current
study,
hMSCs
were
grown
as
3D
aggregates
under
wave
motion
to
promote
EV
secretion.
Results
demonstrate
that
activation
endosomal
sorting
complexes
required
transport
(ESCRT)-dependent
-independent
pathways.
mRNA
sequencing
revealed
global
transcriptome
alterations
aggregates.
Compared
2D-hMSC-EVs,
quantity
3D-hMSC-EVs
was
enhanced
significantly
(by
2-fold),
with
smaller
sizes,
higher
miR-21
miR-22
expression,
an
altered
protein
cargo
(e.g.,
upregulation
cytokines
anti-inflammatory
factors)
uncovered
by
proteomics
analysis,
possibly
due
biogenesis.
Functionally,
rejuvenated
senescent
cells
exhibited
immunomodulatory
potentials.
summary,
this
study
provides
promising
strategy
scalable
high-quality
from
potential.
Theranostics,
Journal Year:
2022,
Volume and Issue:
12(11), P. 4879 - 4903
Published: Jan. 1, 2022
In
recent
decades,
extracellular
vesicles
(EVs),
as
bioactive
cell-secreted
nanoparticles
which
are
involved
in
various
physiological
and
pathological
processes
including
cell
proliferation,
immune
regulation,
angiogenesis
tissue
repair,
have
emerged
one
of
the
most
attractive
nanotherapeutics
for
regenerative
medicine.
Herein
we
provide
a
systematic
review
latest
progress
EVs
applications.
Firstly,
will
briefly
introduce
biogenesis,
function
isolation
technology
EVs.
Then,
underlying
therapeutic
mechanisms
native
unmodified
engineering
strategies
modified
entities
be
discussed.
Subsequently,
main
focus
placed
on
repair
regeneration
applications
organs
brain,
heart,
bone
cartilage,
liver
kidney,
well
skin.
More
importantly,
current
clinical
trials
medicine
also
highlighted.
Finally,
future
challenges
insightful
perspectives
currently
developed
EV-based
biomedicine
short,
opened
new
horizons
biologists,
chemists,
nanoscientists,
pharmacists,
clinicians,
making
possible
powerful
tools
therapies
Stem Cells International,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 18
Published: May 14, 2022
Mesenchymal
stem
cells
(MSCs)
have
been
widely
applied
to
regenerative
medicine
owing
their
multiple
differentiation,
self-renewal,
and
immunomodulatory
abilities.
Exosomes
are
cell-secreted
natural
nanovesicles
thought
be
mediators
of
intercellular
communication
material
transport.
The
therapeutic
potential
MSCs
can
largely
attributed
MSC-derived
exosomes
(MSC-exosomes).
Emerging
evidence
suggests
that
the
efficacy
MSC-exosomes
is
highly
dependent
on
status
MSCs,
optimization
extracellular
environment
affects
exosomal
content.
Pretreatment
methods
including
three-dimensional
cultures,
hypoxia,
other
biochemical
cues
shown
potentially
enhance
biological
activity
while
maintaining
or
enhancing
production.
On
hand,
engineering
means
desired
function
has
rapidly
gaining
attention.
In
particular,
biologically
active
molecule
encapsulation
membrane
modification
alter
functions
targeting
MSC-exosomes.
this
review,
we
summarize
two
possible
strategies
improve
MSC-exosomes:
preconditioning
approaches
exosomes.
We
also
explore
underlying
mechanisms
different
discuss
advantages
limitations
upcoming
clinical
applications.
Theranostics,
Journal Year:
2023,
Volume and Issue:
13(12), P. 4138 - 4165
Published: Jan. 1, 2023
Neurodegenerative
diseases
are
characterized
by
the
progressive
loss
of
neurons
and
intricate
interactions
between
different
cell
types
within
affected
regions.Reliable
biomarkers
that
can
accurately
reflect
disease
activity,
diagnose,
monitor
progression
neurodegenerative
crucial
for
development
effective
therapies.However,
identifying
suitable
has
been
challenging
due
to
heterogeneous
nature
these
diseases,
affecting
specific
subsets
in
brain
regions.One
promising
approach
promoting
regeneration
recovery
involves
transplantation
mesenchymal
stem
cells
(MSCs).MSCs
have
demonstrated
ability
modulate
immune
system,
promote
neurite
outgrowth,
stimulate
angiogenesis,
repair
damaged
tissues,
partially
through
release
their
extracellular
vesicles
(EVs).MSC-derived
EVs
retain
some
therapeutic
characteristics
parent
MSCs,
including
regulate
facilitate
tissue
repair.This
review
aims
explore
potential
MSC-derived
as
an
emerging
strategy
highlighting
role
modulating
neuronal
recovery.By
elucidating
mechanisms
which
exert
effects,
we
advance
our
understanding
leverage
novel
treatment
approaches
field
diseases.
Bioactive Materials,
Journal Year:
2023,
Volume and Issue:
29, P. 16 - 35
Published: June 28, 2023
Neurodegenerative
diseases
represent
a
growing
burden
on
healthcare
systems
worldwide.
Mesenchymal
stem
cells
(MSCs)
have
shown
promise
as
potential
therapy
due
to
their
neuroregenerative,
neuroprotective,
and
immunomodulatory
properties,
which
are,
however,
linked
the
bioactive
substances
they
release,
collectively
known
secretome.
This
paper
provides
an
overview
of
most
recent
research
safety
efficacy
MSC-derived
secretome
extracellular
vesicles
(EVs)
in
clinical
(if
available)
preclinical
models
Alzheimer's
disease,
Parkinson's
amyotrophic
lateral
sclerosis,
multiple
Huntington's
acute
ischemic
stroke,
spinal
cord
injury.
The
article
explores
biologically
active
within
MSC-secretome/EVs,
mechanisms
responsible
for
observed
therapeutic
effects,
strategies
that
may
be
used
optimize
MSC-secretome/EVs
production
based
specific
needs.
review
concludes
with
critical
discussion
current
trials
perspective
future
directions
translating
MSC-secretome
EVs
into
clinic,
specifically
regarding
how
address
challenges
associated
pharmaceutical
manufacturing,
including
scalability,
batch-to-batch
consistency,
adherence
Good
Manufacturing
Practices
(GMP)
guidelines,
formulation,
storage,
along
quality
controls,
access
market
relative
costs,
value
money
impact
total
expenditure.
Theranostics,
Journal Year:
2023,
Volume and Issue:
13(4), P. 1264 - 1285
Published: Jan. 1, 2023
With
the
increase
of
population
aging,
number
Alzheimer's
disease
(AD)
patients
is
also
increasing.According
to
current
estimates,
approximately
11%
people
over
65
suffer
from
AD,
and
that
percentage
rises
42%
among
85.However,
no
effective
treatment
capable
decelerating
or
stopping
AD
progression
available.Furthermore,
AD-targeted
drugs
composed
synthetic
molecules
pose
concerns
regarding
biodegradation,
clearance,
immune
response,
neurotoxicity.Mesenchymal
stem
cell-derived
extracellular
vesicles
(MSC-EVs)
are
essential
intercellular
communication
mediators
holding
great
promise
as
therapeutics
owing
their
biocompatibility,
versatility,
effortless
storage,
superior
safety,
ability
transport
messenger
noncoding
RNAs,
proteins,
lipids,
DNAs,
other
bioactive
compounds
derived
cells.The
functionalisation
engineering
strategies
MSC-EVs
highlighted
(e.g.preconditioning,
drug
loading,
surface
modification,
artificial
EV
fabrication),
which
could
improve
by
multiple
therapeutic
effects,
including
clearing
abnormal
protein
accumulation
achieving
neuroprotection
immunomodulatory
effects.Herein,
this
review
summarises
state-of-the-art
engineer
MSC-EVs,
discusses
progress
in
use
therapeutics,
presents
perspectives
challenges
associated
with
related
clinical
applications,
concludes
engineered
show
immense
potential
therapy.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Aug. 7, 2024
Multicellular
organisms
are
composed
of
diverse
cell
types
that
must
coordinate
their
behaviors
through
communication.
Cell-cell
communication
(CCC)
is
essential
for
growth,
development,
differentiation,
tissue
and
organ
formation,
maintenance,
physiological
regulation.
Cells
communicate
direct
contact
or
at
a
distance
using
ligand-receptor
interactions.
So
cellular
encompasses
two
processes:
signal
conduction
generation
intercellular
transmission
signals,
transduction
reception
procession
signals.
Deciphering
networks
critical
understanding
metabolism.
First,
we
comprehensively
review
the
historical
milestones
in
CCC
studies,
followed
by
detailed
description
mechanisms
molecule
importance
main
signaling
pathways
they
mediate
maintaining
biological
functions.
Then
systematically
introduce
series
human
diseases
caused
abnormalities
progress
clinical
applications.
Finally,
summarize
various
methods
monitoring
interactions,
including
imaging,
proximity-based
chemical
labeling,
mechanical
force
analysis,
downstream
analysis
strategies,
single-cell
technologies.
These
aim
to
illustrate
how
functions
depend
on
these
interactions
complexity
regulatory
regulate
crucial
processes,
homeostasis,
immune
responses
diseases.
In
addition,
this
enhances
our
processes
occur
after
cell-cell
binding,
highlighting
its
application
discovering
new
therapeutic
targets
biomarkers
related
precision
medicine.
This
collective
provides
foundation
developing
targeted
drugs
personalized
treatments.
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
264, P. 130728 - 130728
Published: March 11, 2024
Exosomes
(EXOs),
minute
membranous
structures
originating
from
diverse
biological
sources,
have
recently
seized
the
attention
of
researchers
due
to
their
theranostic
potential
for
neurological
diseases.
Released
actively
by
various
cells,
including
stem
adipose
tissue,
and
immune
EXOs
wield
substantial
regulatory
influence
over
intricate
landscape
complications,
exhibiting
both
positive
negative
modulatory
effects.
In
AD,
play
a
pivotal
role
in
disseminating
breaking
down
amyloid-β
protein.
Moreover,
derived
mesenchymal
cells
showcase
remarkable
capacity
mitigate
pro-inflammatory
phenotypes
regulating
miRNAs
neurodegenerative
These
vesicles
possess
unique
ability
traverse
blood-brain
barrier,
governing
aggregation
mutant
huntingtin
Understanding
exosomal
functions
within
CNS
holds
significant
promise
enhancing
treatment
efficacy
This
review
intricately
examines
mechanisms
involving
disease
development,
highlighting
therapeutic
prospects
exploring
utility
exosome-based
nanomedicine
complications.
Additionally,
delves
into
challenges
associated
with
drug
delivery
brain,
emphasizing
complexities
inherent
this
critical
aspect
neurotherapeutics.