Amniotic fluid stem cell extracellular vesicles as a novel fetal therapy for pulmonary hypoplasia: a review on mechanisms and translational potential
Stem Cells Translational Medicine,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 1, 2025
Disruption
of
developmental
processes
affecting
the
fetal
lung
leads
to
pulmonary
hypoplasia.
Pulmonary
hypoplasia
results
from
several
conditions
including
congenital
diaphragmatic
hernia
(CDH)
and
oligohydramnios.
Both
entities
have
high
morbidity
mortality,
no
effective
therapy
that
fully
restores
normal
development.
Hypoplastic
lungs
impaired
growth
(arrested
branching
morphogenesis),
maturation
(decreased
epithelial/mesenchymal
differentiation),
vascularization
(endothelial
dysfunction
vascular
remodeling
leading
postnatal
hypertension).
Herein,
we
discuss
pathogenesis
role
microRNAs
(miRNAs)
during
pathological
Since
multiple
cells
pathways
are
altered,
ideal
strategy
for
hypoplastic
is
deliver
a
addresses
all
aspects
abnormal
In
this
review,
report
on
novel
regenerative
approach
based
administration
extracellular
vesicles
derived
amniotic
fluid
stem
(AFSC-EVs).
Specifically,
describe
effects
AFSC-EVs
in
rodent
human
models
hypoplasia,
their
mechanism
action
via
release
cargo,
miRNAs,
anti-inflammatory
properties.
We
also
compare
cargo
contents
EVs
AFSCs
mesenchymal
stromal
(MSCs).
Overall,
there
compelling
evidence
antenatal
rescues
features
development
experimental
Lastly,
steps
need
be
taken
translate
promising
EV-based
bench
bedside.
These
include
strategies
overcome
barriers
commonly
associated
with
EV
therapeutics
specific
challenges
related
cell-based
therapies
medicine.
Language: Английский
Fetal hypoplastic lungs have multilineage inflammation that is reversed by amniotic fluid stem cell extracellular vesicle treatment
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(30)
Published: July 26, 2024
Antenatal
administration
of
extracellular
vesicles
from
amniotic
fluid
stem
cells
(AFSC-EVs)
reverses
features
pulmonary
hypoplasia
in
models
congenital
diaphragmatic
hernia
(CDH).
However,
it
remains
unknown
which
lung
cellular
compartments
and
biological
pathways
are
affected
by
AFSC-EV
therapy.
Herein,
we
conducted
single-nucleus
RNA
sequencing
(snRNA-seq)
on
rat
fetal
CDH
lungs
treated
with
vehicle
or
AFSC-EVs.
We
identified
that
intra-amniotically
injected
AFSC-EVs
reach
the
rats
CDH,
where
they
promote
branching
morphogenesis
epithelial
cell
differentiation.
Moreover,
snRNA-seq
revealed
have
a
multilineage
inflammatory
signature
macrophage
enrichment,
is
reversed
treatment.
Macrophage
enrichment
was
confirmed
immunofluorescence,
flow
cytometry,
inhibition
studies
GW2580.
validated
human
autopsy
samples.
Together,
this
study
advances
knowledge
pathogenesis
further
evidence
value
an
EV-based
therapy
for
fetuses.
Language: Английский
Antenatal Administration of Extracellular Vesicles Derived From Amniotic Fluid Stem Cells Improves Lung Function in Neonatal Rats With Congenital Diaphragmatic Hernia
Journal of Pediatric Surgery,
Journal Year:
2024,
Volume and Issue:
59(9), P. 1771 - 1777
Published: Feb. 28, 2024
Language: Английский
Amniotic fluid stem cell extracellular vesicles promote lung development via TGF-beta modulation in a fetal rat model of oligohydramnios
Journal of Controlled Release,
Journal Year:
2024,
Volume and Issue:
377, P. 427 - 441
Published: Nov. 26, 2024
Language: Английский
Cellular origins and translational approaches to congenital diaphragmatic hernia
Seminars in Pediatric Surgery,
Journal Year:
2024,
Volume and Issue:
33(4), P. 151444 - 151444
Published: July 2, 2024
Congenital
Diaphragmatic
Hernia
(CDH)
is
a
complex
developmental
abnormality
characterized
by
abnormal
lung
development,
diaphragmatic
defect
and
cardiac
dysfunction.
Despite
significant
advances
in
management
of
CDH,
mortality
morbidity
continue
to
be
driven
pulmonary
hypoplasia,
hypertension,
The
etiology
CDH
remains
unknown,
but
presumed
caused
combination
genetic
susceptibility
external/environmental
factors.
Current
research
employs
multi-omics
technologies
investigate
the
molecular
profile
pathways
inherent
CDH.
aim
discover
underlying
pathogenesis,
new
biomarkers
ultimately
novel
therapeutic
targets.
Stem
cells
their
cargo,
non-coding
RNAs
agents
targeting
inflammation
vascular
remodeling
have
produced
promising
results
preclinical
studies
using
animal
models
Shortcomings
current
therapies
combined
with
an
improved
understanding
pathogenesis
given
rise
experimental
treatments
that
are
currently
being
evaluated
clinical
trials.
This
review
provides
insight
into
developments
translational
research,
ranging
from
cellular
origins
cardiopulmonary
development
identification
treatment
targets
at
bench
translation
trials
bedside.
Language: Английский
Sex-specific differences in the severity of pulmonary hypoplasia in experimental congenital diaphragmatic hernia and implications for extracellular vesicle-based therapy
Fabian Doktor,
No information about this author
Emily Lo,
No information about this author
Victoria Fortuna
No information about this author
et al.
Pediatric Surgery International,
Journal Year:
2024,
Volume and Issue:
40(1)
Published: Oct. 28, 2024
Language: Английский
Amniotic fluid stem cell extracellular vesicles promote lung development via TGF-beta modulation in a fetal rat model of oligohydramnios
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 22, 2024
Abstract
Oligohydramnios
(decreased
amniotic
fluid
volume
for
gestational
age)
is
a
severe
condition
associated
with
high
morbidity
and
mortality
mainly
due
to
fetal
pulmonary
hypoplasia.
Currently,
there
are
limited
treatment
options
promote
lung
development.
Administration
of
stem
cells
their
derivates
have
shown
promising
regenerative
properties
several
neonatal
diseases
related
arrested
Herein,
we
first
characterized
hypoplasia
secondary
oligohydramnios
in
surgical
rat
model.
Experimental
induction
led
impaired
growth,
branching
morphogenesis
(fewer
airspaces
decreased
Fgf10
,
Nrp1
Ctnnb1
expression),
proximal/distal
progenitor
cell
patterning
Sox2
Sox9
TGF-β
signaling.
We
then
tested
antenatal
administration
extracellular
vesicles
derived
from
(AFSC-
EVs).
In
lungs,
AFSC-EV
improved
airway
at
least
part
through
the
release
miR-93-5p.
Our
experiments
suggest
that
miR-93-5p
blocked
SMAD
7,
resulting
upregulation
pSMAD2/3
restoration
Conversely,
lungs
treated
antagomir
93-5p
transfected
AFSC-
EVs
had
This
study
reporting
derivatives
could
be
potential
therapy
rescue
development
fetuses
oligohydramnios.
Highlights
Pulmonary
rats
by
improves
patterning.
effects
mediated
via
modulation
signaling
AFSC-EVs.
Language: Английский
Therapeutic potential of extracellular vesicles derived from human amniotic epithelial cells for perinatal cerebral and pulmonary injury.
Stem Cells Translational Medicine,
Journal Year:
2024,
Volume and Issue:
13(8), P. 711 - 723
Published: June 19, 2024
Lung
and
brain
injury
that
occurs
during
the
perinatal
period
leads
to
lifelong
disability
is
often
driven
and/or
exacerbated
by
inflammation.
Human
amniotic
epithelial
cells
(hAEC),
which
demonstrate
immunomodulatory,
anti-fibrotic,
regenerative
capabilities,
are
being
explored
as
a
therapeutic
candidate
for
injury.
However,
limitations
regarding
scalable
manufacturing,
storage,
transport,
dose-related
toxicity
have
impeded
clinical
translation.
Isolated
extracellular
vesicles
(EVs)
from
stem
stem-like
thought
be
key
paracrine
mediators
of
efficacy.
The
unique
characteristics
EVs
suggest
they
potentially
circumvent
traditional
cell-based
therapies.
given
novelty
therapeutic,
recommendations
around
ideal
methods
production,
isolation,
delivery
not
yet
been
created
regulatory
agencies.
In
this
concise
review,
we
discuss
pertinence
therapeutics
in
medicine.
We
also
review
preclinical
evidence
supporting
use
therapy.
Further,
summarize
arising
considerations
adequate
cell
source,
biodistribution,
isolation
storage
methods,
roadblocks
development
EVs.
Language: Английский