Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(13)
Published: Jan. 20, 2024
Stem
cell-derived
pancreatic
progenitors
(SC-PPs),
as
an
unlimited
source
of
SC-derived
β
(SC-β)
cells,
offers
a
robust
tool
for
diabetes
treatment
in
stem
cell-based
transplantation,
disease
modeling,
and
drug
screening.
Whereas,
PDX1
Cell Discovery,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: June 6, 2023
The
differentiation
of
pluripotent
stem
cells
(PSCs)
into
diverse
functional
cell
types
provides
a
promising
solution
to
support
drug
discovery,
disease
modeling,
and
regenerative
medicine.
However,
is
currently
limited
by
the
substantial
line-to-line
batch-to-batch
variabilities,
which
severely
impede
progress
scientific
research
manufacturing
products.
For
instance,
PSC-to-cardiomyocyte
(CM)
vulnerable
inappropriate
doses
CHIR99021
(CHIR)
that
are
applied
in
initial
stage
mesoderm
differentiation.
Here,
harnessing
live-cell
bright-field
imaging
machine
learning
(ML),
we
realize
real-time
recognition
entire
process,
e.g.,
CMs,
cardiac
progenitor
(CPCs),
PSC
clones,
even
misdifferentiated
cells.
This
enables
non-invasive
prediction
efficiency,
purification
ML-recognized
CMs
CPCs
for
reducing
contamination,
early
assessment
CHIR
dose
correcting
misdifferentiation
trajectory,
evaluation
colonies
controlling
start
point
differentiation,
all
provide
more
invulnerable
method
with
resistance
variability.
Moreover,
established
ML
models
as
readout
chemical
screen,
identify
CDK8
inhibitor
can
further
improve
overdose
CHIR.
Together,
this
study
indicates
artificial
intelligence
able
guide
iteratively
optimize
achieve
consistently
high
efficiency
across
lines
batches,
providing
better
understanding
rational
modulation
process
biomedical
applications.
Metabolism,
Journal Year:
2024,
Volume and Issue:
152, P. 155786 - 155786
Published: Jan. 10, 2024
Diabetes
presents
a
pressing
healthcare
crisis,
necessitating
innovative
solutions.
Organoid
technologies
have
rapidly
advanced,
leading
to
the
emergence
of
bioengineering
islet
organoids
as
an
unlimited
source
insulin-producing
cells
for
treating
insulin-dependent
diabetes.
This
advancement
surpasses
need
cadaveric
transplantation.
However,
clinical
translation
this
approach
faces
two
major
limitations:
immature
endocrine
function
and
absence
perfusable
vasculature
compared
primary
human
islets.
In
review,
we
summarize
latest
developments
in
functional
vitro
promoting
vascularization
organoid
grafts
before
after
We
highlight
crucial
roles
ensuring
long-term
survival,
maturation,
functionality
organoids.
Additionally,
discuss
key
considerations
that
must
be
addressed
organoid-based
therapy,
including
immaturity,
undesired
heterogeneity,
potential
tumorigenic
risks.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 20, 2024
Diabetes
mellitus
(DM),
is
a
chronic
disorder
characterized
by
impaired
glucose
homeostasis
that
results
from
the
loss
or
dysfunction
of
pancreatic
β-cells
leading
to
type
1
diabetes
(T1DM)
and
2
(T2DM),
respectively.
Pancreatic
rely
great
degree
on
their
endoplasmic
reticulum
(ER)
overcome
increased
secretary
need
for
insulin
biosynthesis
secretion
in
response
nutrient
demand
maintain
body.
As
result,
are
potentially
under
ER
stress
following
levels
rise
circulation
proper
pro-insulin
folding
mediated
unfolded
protein
(UPR),
underscoring
importance
this
process
normal
β-cell
function.
However,
excessive
prolonged
influx
nascent
proinsulin
into
lumen
can
exceed
capacity
subsequently
dysfunction.
In
mammalian
cells,
such
as
β-cells,
primarily
regulated
three
canonical
ER-resident
transmembrane
proteins:
ATF6,
IRE1,
PERK/PEK.
Each
these
proteins
generates
transcription
factor
(ATF4,
XBP1s,
respectively),
which
turn
activates
stress-inducible
genes.
An
increasing
number
evidence
suggests
unresolved
dysregulated
signaling
pathways
play
pivotal
role
failure
defect
diabetes.
article
we
first
highlight
summarize
recent
insights
its
associated
mechanisms
function
second
how
could
be
targeted
vitro
during
direct
differentiation
protocols
generation
hPSC-derived
faithfully
phenocopy
all
features
bona
fide
human
therapy
drug
screening.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(13)
Published: Jan. 20, 2024
Stem
cell-derived
pancreatic
progenitors
(SC-PPs),
as
an
unlimited
source
of
SC-derived
β
(SC-β)
cells,
offers
a
robust
tool
for
diabetes
treatment
in
stem
cell-based
transplantation,
disease
modeling,
and
drug
screening.
Whereas,
PDX1