Mannose controls mesoderm specification and symmetry breaking in mouse gastruloids
Developmental Cell,
Год журнала:
2024,
Номер
59(12), С. 1523 - 1537.e6
Опубликована: Апрель 17, 2024
Patterning
and
growth
are
fundamental
features
of
embryonic
development
that
must
be
tightly
coordinated.
To
understand
how
metabolism
impacts
early
mesoderm
development,
we
used
mouse
stem-cell-derived
gastruloids,
co-expressed
glucose
transporters
with
the
mesodermal
marker
T/Bra.
We
found
mimic,
2-deoxy-D-glucose
(2-DG),
blocked
T/Bra
expression
abolished
axial
elongation
in
gastruloids.
However,
removal
did
not
phenocopy
2-DG
treatment
despite
a
decline
glycolytic
intermediates.
As
can
also
act
as
competitive
inhibitor
mannose
protein
glycosylation,
added
together
it
could
rescue
specification
both
vivo
vitro.
further
showed
blocking
production
intracellular
recycling
abrogated
specification.
Proteomics
analysis
demonstrated
reversed
glycosylation
Wnt
pathway
regulator,
secreted
frizzled
receptor
Frzb.
Our
study
controls
Язык: Английский
Integrated molecular-phenotypic profiling reveals metabolic control of morphological variation in a stem-cell-based embryo model
Cell stem cell,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Considerable
phenotypic
variation
under
identical
culture
conditions
limits
the
potential
of
stem-cell-based
embryo
models
(SEMs)
in
basic
and
applied
research.
The
biological
processes
causing
this
seemingly
stochastic
remain
unclear.
Here,
we
investigated
roots
by
parallel
recording
transcriptomic
states
morphological
history
individual
structures
modeling
embryonic
trunk
formation.
Machine
learning
integration
time-resolved
single-cell
RNA
sequencing
with
imaging-based
profiling
identified
early
features
predictive
end
states.
Leveraging
power
revealed
that
imbalance
oxidative
phosphorylation
glycolysis
results
aberrant
morphology
a
neural
lineage
bias,
which
confirmed
metabolic
measurements.
Accordingly,
interventions
improved
Collectively,
our
work
establishes
divergent
as
drivers
offers
broadly
applicable
framework
to
chart
predict
organoids
SEMs.
strategy
can
be
used
identify
control
underlying
processes,
ultimately
increasing
reproducibility.
Язык: Английский