Human Gene Therapy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Adeno-associated
viral
(AAV)
vectors
are
increasingly
used
for
preclinical
and
clinical
cardiac
gene
therapy
approaches.
However,
transfer
to
cardiomyocytes
poses
a
challenge
due
differences
between
AAV
serotypes
in
terms
of
expression
efficiency
vitro
vivo.
For
example,
AAV9
work
well
rodent
heart
muscle
cells
vivo
but
not
cultivated
neonatal
rat
ventricular
(NRVCMs),
necessitating
the
use
AAV6
studies.
Therefore,
we
aimed
develop
an
that
could
efficiently
express
genes
NRVCMs,
human
engineered
tissue
(hEHT),
mammalian
hearts.
The
production
results
lower
yields
compared
with
AAV9.
Hence,
random
peptide
libraries
selected
variants
on
NRVCMs
at
vector
genome
RNA
levels
parallel.
enriched
library
were
characterized
using
high-throughput
analysis
barcoded
variants,
followed
by
individual
validation
most
promising
candidates.
Interestingly,
found
striking
NRVCM
transduction
patterns
capsid
depending
selection
strategy.
based
level
enabled
highest
outperformed
AAVs
efficiency.
In
addition,
identified
new
variant
only
allowed
significantly
higher
also
similar
murine
hearts
as
wild-type
after
being
intravenously
injected
into
mice.
Moreover,
novel
facilitated
hEHT
this
streamline
studies
myocardial
diseases
eliminating
need
different
hEHT,
Cell,
Journal Year:
2022,
Volume and Issue:
185(15), P. 2756 - 2769
Published: July 1, 2022
For
decades,
insight
into
fundamental
principles
of
human
biology
and
disease
has
been
obtained
primarily
by
experiments
in
animal
models.
While
this
allowed
researchers
to
understand
many
biological
processes
great
detail,
some
developmental
mechanisms
have
proven
difficult
study
due
inherent
species
differences.
The
advent
organoid
technology
more
than
10
years
ago
established
laboratory-grown
organ
tissues
as
an
additional
model
system
recapitulate
human-specific
aspects
biology.
use
3D
organoids,
well
other
advances
single-cell
technologies,
revealed
unprecedented
insights
mechanisms,
especially
those
that
distinguish
humans
from
species.
This
review
highlights
novel
with
a
focus
on
how
generated
better
understanding
development
disease.
Cell,
Journal Year:
2023,
Volume and Issue:
186(25), P. 5587 - 5605.e27
Published: Nov. 28, 2023
The
number
one
cause
of
human
fetal
death
are
defects
in
heart
development.
Because
the
embryonic
is
inaccessible
and
impacts
mutations,
drugs,
environmental
factors
on
specialized
functions
different
compartments
not
captured
by
vitro
models,
determining
underlying
causes
difficult.
Here,
we
established
a
cardioid
platform
that
recapitulates
development
all
major
compartments,
including
right
left
ventricles,
atria,
outflow
tract,
atrioventricular
canal.
By
leveraging
2D
3D
differentiation,
efficiently
generated
progenitor
subsets
with
distinct
first,
anterior,
posterior
second
field
identities.
This
advance
enabled
reproducible
generation
cardioids
compartment-specific
vivo-like
gene
expression
profiles,
morphologies,
functions.
We
used
this
to
unravel
ontogeny
signal
contraction
propagation
between
interacting
chambers
dissect
how
teratogens,
drugs
developing
heart.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(6), P. 531 - 531
Published: March 16, 2024
Biomimetic
scaffolds
imitate
native
tissue
and
can
take
a
multidimensional
form.
They
are
biocompatible
influence
cellular
metabolism,
making
them
attractive
bioengineering
platforms.
The
use
of
biomimetic
adds
complexity
to
traditional
cell
cultivation
methods.
most
commonly
used
technique
involves
cultivating
cells
on
flat
surface
in
two-dimensional
format
due
its
simplicity.
A
three-dimensional
(3D)
provide
microenvironment
for
surrounding
cells.
There
two
main
techniques
obtaining
3D
structures
based
the
presence
scaffolding.
Scaffold-free
consist
spheroid
technologies.
Meanwhile,
scaffold
contain
organoids
all
constructs
that
various
types
scaffolds,
ranging
from
decellularized
extracellular
matrix
(dECM)
through
hydrogels
one
extensively
studied
forms
potential
culture
up
4D
bioprinted
biomaterials.
bioprinting
is
important
create
scaffolds.
versatility
this
allows
many
different
inks,
mainly
hydrogels,
as
well
inorganic
substances.
Increasing
amounts
data
evidence
vast
usage
engineering
personalized
medicine,
with
area
application
being
regeneration
skin
musculoskeletal
systems.
Recent
papers
also
indicate
increasing
vivo
tests
products
which
further
strengthen
importance
branch
emphasize
need
extensive
research
safe
humansbiomimetic
tissues
organs.
In
review
article,
we
recent
advancements
field
preceded
by
an
overview
technologies
led
development
complex
type
culture.
Circulation Research,
Journal Year:
2022,
Volume and Issue:
130(12), P. 1780 - 1802
Published: June 9, 2022
An
ensemble
of
in
vitro
cardiac
tissue
models
has
been
developed
over
the
past
several
decades
to
aid
our
understanding
complex
cardiovascular
disorders
using
a
reductionist
approach.
These
approaches
often
rely
on
recapitulating
single
or
multiple
clinically
relevant
end
points
dish
indicative
pathophysiology.
The
possibility
generate
disease-relevant
and
patient-specific
human
induced
pluripotent
stem
cells
further
leveraged
utility
as
screening
tools
at
large
scale.
To
elucidate
biological
mechanisms
models,
it
is
critical
integrate
physiological
cues
form
biochemical,
biophysical,
electromechanical
stimuli
achieve
desired
tissue-like
maturity
for
robust
phenotyping.
Here,
we
review
latest
advances
directed
cell
differentiation
derive
wide
gamut
types,
allow
customization
model
systems,
study
diseased
states
types.
We
also
highlight
recent
progress
development
such
organoids,
microtissues,
engineered
heart
tissues,
microphysiological
systems.
expand
discussion
defining
context
use
selection
currently
available
models.
Last,
discuss
limitations
challenges
with
current
state-of-the-art
future
directions.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(10)
Published: March 8, 2023
Clinical
translation
of
stem
cell
therapies
for
heart
disease
requires
electrical
integration
transplanted
cardiomyocytes.
Generation
electrically
matured
human
induced
pluripotent
cell-derived
cardiomyocytes
(hiPSC-CMs)
is
critical
integration.
Here,
we
found
that
hiPSC-derived
endothelial
cells
(hiPSC-ECs)
promoted
the
expression
selected
maturation
markers
in
hiPSC-CMs.
Using
tissue-embedded
stretchable
mesh
nanoelectronics,
achieved
a
long-term
stable
map
three-dimensional
(3D)
cardiac
microtissue
activity.
The
results
revealed
hiPSC-ECs
accelerated
hiPSC-CMs
3D
microtissues.
Machine
learning-based
pseudotime
trajectory
inference
cardiomyocyte
signals
further
phenotypic
transition
path
during
development.
Guided
by
recording
data,
single-cell
RNA
sequencing
identified
subpopulations
with
more
mature
phenotype,
and
multiple
ligand-receptor
interactions
were
up-regulated
between
hiPSC-CMs,
revealing
coordinated
multifactorial
mechanism
hiPSC-CM
maturation.
Collectively,
these
findings
show
drive
via
intercellular
pathways.
Acta Pharmaceutica Sinica B,
Journal Year:
2024,
Volume and Issue:
14(7), P. 2901 - 2926
Published: March 11, 2024
Despite
the
considerable
advancements
in
chemotherapy
as
a
cornerstone
modality
cancer
treatment,
prevalence
of
complications
and
pre-existing
diseases
is
on
rise
among
patients
along
with
prolonged
survival
aging
population.
The
relationships
between
these
disorders
are
intricate,
bearing
significant
influence
quality
life
individuals
presenting
challenges
for
prognosis
outcomes
malignancies.
Herein,
we
review
prevailing
comorbidities
that
often
accompany
summarize
lessons
to
learn
from
inadequate
research
management
this
scenario,
an
emphasis
possible
strategies
reducing
potential
alleviating
comorbidities,
well
overview
current
preclinical
models
practical
advice
establishing
bio-faithful
such
complex
context.
Chinese Medicine,
Journal Year:
2025,
Volume and Issue:
20(1)
Published: Feb. 12, 2025
Abstract
In
the
past
few
years,
emergence
of
organoids
and
organ-on-a-chip
(OOAC)
technologies,
which
are
complementary
to
animal
models
two-dimensional
cell
culture
methods
can
better
simulate
internal
environment
human
body,
provides
a
new
platform
for
traditional
Chinese
medicine
(TCM)
studies.
Organoids
OOAC
techniques
have
been
increasingly
applied
in
fields
drug
screening,
assessment
development,
personalized
therapies,
developmental
biology,
there
some
application
cases
TCM
this
review,
we
summarized
current
status
using
organoid
technologies
research
provide
key
insights
future
study.
It
is
believed
that
will
play
more
important
roles
make
greater
contributions
innovative
development
TCM.