Stem Cells International,
Journal Year:
2023,
Volume and Issue:
2023, P. 1 - 17
Published: Nov. 2, 2023
The
World
Health
Organization
reports
that
cardiovascular
diseases
(CVDs)
represent
32%
of
all
global
deaths.
ineffectiveness
conventional
therapies
in
CVDs
encourages
the
development
novel,
minimally
invasive
therapeutic
strategies
for
healing
and
regeneration
damaged
tissue.
self-renewal
capacity,
multilineage
differentiation,
lack
immunogenicity,
immunosuppressive
properties
mesenchymal
stem
cells
(MSCs)
make
them
a
promising
option
CVDs.
However,
growing
evidence
suggests
myocardial
occurs
through
paracrine
factors
extracellular
vesicle
(EV)
secretion,
rather
than
differentiation
into
cardiomyocytes.
Research
shows
secrete
or
surface-shed
their
culture
media
various
cytokines,
chemokines,
growth
factors,
anti-inflammatory
EVs,
which
constitute
an
MSC-conditioned
medium
(MSC-CM)
secretome.
use
MSC-CM
enhances
cardiac
repair
resident
heart
cell
proliferation,
scar
mass
reduction,
decrease
infarct
wall
thickness,
function
improvement
comparable
to
MSCs
without
side
effects.
This
review
highlights
limitations
benefits
based
on
secretome
as
innovative
treatment
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(18)
Published: Feb. 13, 2023
Aging
impairs
tendon
stem/progenitor
cell
function
and
homeostasis,
however,
effective
treatments
for
aging-induced
diseases
are
lacking.
Exosomes
naturally
derived
nanoparticles
that
contain
bioactive
molecules,
therefore,
have
attracted
great
interest
in
tissue
engineering
regenerative
medicine.
In
this
study,
it
is
shown
young
exosomes
secreted
by
stem
cells
from
human
exfoliated
deciduous
teeth
(SHED-Exos)
possess
abundant
anti-aging
signals.
These
bio-nanoparticles
can
alleviate
the
aging
phenotypes
of
aged
(AT-SCs)
maintain
their
tenogenic
capacity.
Mechanistically,
SHED-Exos
modulate
histone
methylation
inhibit
nuclear
factor-κB
to
reverse
AT-SC
aging.
a
mouse
model,
systemic
administration
SHED-Exo
retards
degeneration.
Interestingly,
local
delivery
SHED-Exos-loaded
microspheres
confers
phenotypes,
including
reduced
senescent
decreased
ectopic
bone
formation,
thereby
functionally
structurally
rescuing
endogenous
regeneration
repair
capacity
rats.
Overall,
SHED-Exos,
as
natural
nanoparticles,
promising
translational
therapeutic
potential
aging-related
diseases.
Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
70, P. 103 - 124
Published: May 9, 2024
Mesenchymal
stem
cell
(MSC)-based
therapies
have
yielded
beneficial
effects
in
a
broad
range
of
preclinical
models
and
clinical
trials
for
human
diseases.
In
the
context
MSC
transplantation,
it
is
widely
recognized
that
main
mechanism
regenerative
potential
MSCs
not
their
differentiation,
with
vivo
data
revealing
transient
low
engraftment
rates.
Instead,
therapeutic
are
mainly
attributed
to
its
secretome,
i.e.,
paracrine
factors
secreted
by
these
cells,
further
offering
more
attractive
innovative
approach
due
effectiveness
safety
cell-free
product.
this
review,
we
will
discuss
benefits
MSC-derived
secretome
medicine
particular
focus
on
respiratory,
hepatic,
neurological
Both
free
vesicular
be
detailed.
We
also
address
novel
strategies
capable
improving
healing
potential,
namely
delivering
important
molecules
according
specific
diseases
tissue
needs,
as
well
non-clinical
studies
allow
us
dissect
mechanisms
action.
includes
both
soluble
non-soluble
factors,
organized
extracellular
vesicles
(EVs).
Importantly,
besides
depending
origin,
characteristics
deeply
influenced
external
stimuli,
highlighting
possibility
optimizing
through
preconditioning
approaches.
Nevertheless,
clarity
around
action
remains
ambiguous,
whereas
need
standardized
procedures
successful
translation
those
products
clinics
urges.
Frontiers in Medicine,
Journal Year:
2024,
Volume and Issue:
11
Published: Feb. 29, 2024
Bone
defects
resulting
from
severe
trauma,
tumors,
inflammation,
and
other
factors
are
increasingly
prevalent.
Stem
cell-based
therapies
have
emerged
as
a
promising
alternative.
Dental
pulp
stem
cells
(DPSCs),
sourced
dental
pulp,
garnered
significant
attention
owing
to
their
ready
accessibility
minimal
collection-associated
risks.
Ongoing
investigations
into
DPSCs
revealed
potential
undergo
osteogenic
differentiation
capacity
secrete
diverse
array
of
ontogenetic
components,
such
extracellular
vesicles
cell
lysates.
This
comprehensive
review
article
aims
provide
an
in-depth
analysis
secretory
emphasizing
extraction
techniques
utilization
while
elucidating
the
intricate
mechanisms
governing
bone
regeneration.
Furthermore,
we
explore
merits
demerits
cell-free
therapeutic
modalities,
well
discuss
prospects,
opportunities,
inherent
challenges
associated
with
DPSC
therapy
in
context
Cells,
Journal Year:
2023,
Volume and Issue:
12(10), P. 1392 - 1392
Published: May 15, 2023
Bone
loss
is
a
common
problem
that
ranges
from
small
defects
to
large
after
trauma,
surgery,
or
congenital
malformations.
The
oral
cavity
rich
source
of
mesenchymal
stromal
cells
(MSCs).
Researchers
have
documented
their
isolation
and
studied
osteogenic
potential.
Therefore,
the
objective
this
review
was
analyze
compare
potential
MSCs
for
use
in
bone
regeneration.A
scoping
carried
out
following
Preferred
Reporting
Items
Systematic
Reviews
Meta-Analyses
extension
Scoping
(PRISMA-ScR)
guidelines.
databases
reviewed
were
PubMed,
SCOPUS,
Scientific
Electronic
Library
Online
(SciELO),
Web
Science.
Studies
using
stem
promote
regeneration
included.A
total
726
studies
found,
which
27
selected.
used
repair
(I)
dental
pulp
permanent
teeth,
(II)
derived
inflamed
pulp,
(III)
exfoliated
deciduous
(IV)
periodontal
ligament
cells,
(V)
cultured
autogenous
periosteal
(VI)
buccal
fat
pad-derived
(VII)
autologous
bone-derived
cells.
Stem
associate
with
scaffolds
facilitate
insertion
into
defect
enhance
regeneration.
biological
risk
morbidity
MSC-grafted
site
minimal.
Successful
formation
MSC
grafting
has
been
shown
as
well
larger
periosteum,
bone,
pad.Stem
maxillofacial
origin
are
promising
alternative
treat
craniofacial
defects;
however,
an
additional
scaffold
complement
required
cell
delivery.
Biomedicines,
Journal Year:
2022,
Volume and Issue:
10(5), P. 1056 - 1056
Published: May 3, 2022
As
previously
described
by
several
authors,
dental
pulp
stem
cells
(DPSCs),
when
adequately
stimulated,
may
acquire
a
neuronal-like
phenotype
acting
as
favorable
source
of
in
the
generation
nerves.
Besides,
it
is
known
that
hypoxia
conditioning
capable
stimulating
cell
differentiation
well
survival
and
self-renewal,
multiple
growth
factors,
including
Epidermal
Growth
factor
(EGF)
basic
fibroblast
(bFGF),
are
often
involved
induction
neuronal
progenitor
cells.
In
this
work,
we
investigated
role
commitment
DPSCs
into
phenotype.
These
were
conditioned
with
(O2
1%)
for
5
16
days;
subsequently,
analyzed
proliferation
rate
morphology,
tested
neural
markers.
Moreover,
verified
possible
autocrine/paracrine
comparing
secretome
profile
hypoxic
normoxic
media
(CM).
Our
results
showed
hypoxia-mediated
DPSC
was
time
dependent.
(CM
derived
from
stimulated
able,
turn,
to
induce
SH-SY5Y
neuroblastoma
undifferentiated
DPSCs.
conclusion,
under
herein-mentioned
conditions,
seems
favor
neuron-like
way,
confirm
potential
clinical
utility
differentiated
DPSCs,
also
suggest
even
greater
CM-derived-hypoxic
could
more
readily
be
used
regenerative
therapies.
Genes & Diseases,
Journal Year:
2023,
Volume and Issue:
11(1), P. 346 - 357
Published: April 12, 2023
Extracellular
vesicles
(EVs)
are
nano-size
secreted
naturally
by
all
cells
into
the
extracellular
space
and
have
been
recognized
as
important
cell-cell
mediators
in
multicellular
organisms.
EVs
contain
nucleic
acids,
proteins,
lipids,
other
cellular
components,
regulating
many
basic
biological
processes
playing
an
role
regenerative
medicine
diseases.
can
be
traced
to
their
of
origin
exhibit
a
similar
function.
Moreover,
demonstrate
low
immunogenicity,
good
biocompatibility,
fewer
side
effects,
compared
parent
cells.
Mesenchymal
stem
(MSCs)
one
most
resource
for
EVs,
with
great
capacity
self-renewal
multipotent
differentiation,
play
essential
cell
therapy.
The
mechanism
MSC
therapy
was
thought
attributed
differentiation
MSCs
after
targeted
migration,
previously
noted.
However,
emerging
evidence
shows
unknown
MSC-derived
paracrine
factors
Especially
derived
from
oral
tissue
(OMSC-EVs),
show
more
advantages
than
those
repair
regeneration,
due
lower
invasiveness
easier
accessibility
sample
collection.
Here,
we
systematically
review
biogenesis
characteristics
OMSC-EVs,
well
OMSC-EVs
intercellular
communication.
Furthermore,
discuss
potential
therapeutic
roles
systemic
We
highlight
current
challenges
future
directions
focus
attention
on
clinical
translation.
aim
provide
valuable
insights
explorative
application
OMSC-EVs.
Life Sciences,
Journal Year:
2024,
Volume and Issue:
356, P. 123019 - 123019
Published: Aug. 28, 2024
An
increase
in
life
expectancy
comes
with
a
higher
risk
for
age-related
neurological
and
cognitive
dysfunctions.
Given
the
psycho-socioeconomic
burden
due
to
unhealthy
aging
coming
decades,
United
Nations
has
declared
2021-2030
as
decade
of
healthy
aging.
In
this
line,
multipotent
mesenchymal
stromal
cell-based
therapeutics
received
special
interest
from
research
community.
Based
on
decades
cell
therapy,
consensus
emerged
that
therapeutic
effects
therapy
are
paracrine
mechanisms
rather
than
replacement.
Exosomes,
constituent
secretome,
nano-sized
vesicles
have
been
focus
intense
recent
years
possible
agent
or
cargo
deliver
drugs
into
central
nervous
system
induce
neurogenesis,
reduce
neuroinflammation,
confer
neuroregeneration/neuroprotection,
improve
motor
functions.
review,
we
discussed
neuroprotective
properties
exosomes
derived
adult
stem
cells,
role
exosomal
miRNAs.
We
also
reviewed
various
strategies
exosome
production
their
content
better
effects.
Further,
utilization
ectomesenchymal
cells
like
dental
pulp
treating
neurodegenerative
diseases.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(24), P. 13562 - 13562
Published: Dec. 18, 2024
Regenerative
medicine
utilizes
stem
cells
to
repair
damaged
tissues
by
replacing
them
with
their
differentiated
and
activating
the
body’s
inherent
regenerative
abilities.
Mesenchymal
(MSCs)
are
adult
that
possess
tissue
capabilities
immunomodulatory
properties
a
much
lower
risk
of
tumorigenicity,
making
focus
numerous
clinical
trials
worldwide.
MSCs
primarily
exert
therapeutic
effects
through
paracrine
via
secreted
factors,
such
as
cytokines
exosomes.
This
has
led
increasing
interest
in
cell-free
therapy,
where
only
conditioned
medium
(also
called
secretome)
from
MSC
cultures
is
used
for
applications.
However,
face
certain
limitations,
including
cellular
senescence,
scarcity,
donor
heterogeneity,
complexity,
short
survival
post-implantation,
regulatory
ethics
hurdles.
To
address
these
challenges,
various
types
immortalized
(ImMSCs)
capable
indefinite
expansion
have
been
developed.
These
offer
significant
promise
essential
tools
reliable
source
both
cell-based
therapies
aim
translating
into
practical
medicine.
process
immortalization,
often
involving
transduction
immortalizing
genes,
poses
potential
risks
genetic
instability
resultant
malignant
transformation.
Cell-free
therapy
particularly
attractive,
it
circumvents
tumorigenicity
ethical
concerns
associated
live
cell
therapies.
Rigorous
safety
tests,
monitoring
chromosomal
abnormalities,
critical
ensure
safety.
Technologies
like
inducible
or
suicide
genes
may
allow
controlled
proliferation
induce
apoptosis
after
task
completed.
review
highlights
recent
advancements
immortalization
tumorigenesis.