Modeling forebrain regional development and connectivity by human brain organoids
Current Opinion in Genetics & Development,
Год журнала:
2025,
Номер
91, С. 102324 - 102324
Опубликована: Фев. 20, 2025
Язык: Английский
Modeling Organoid Population Electrophysiology Dynamics
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 2, 2025
ABSTRACT
Improving
models
to
investigate
neurodegenerative
disease,
neurodevelopmental
neuro-toxicology
and
neuropharmacology
is
critical
improve
our
basic
understanding
of
the
human
nervous
system,
as
well
accelerate
discovery
interventions
drugs.
Improved
central
system
could
enable
discoveries
related
functional
changes
induced
by
sensory
stimulation
or
toxic
exposures.
Neural
organoids,
complex
three-dimensional
cell
cultures
derived
from
adult
stem
cells,
have
been
grown
with
connectivity
neuroanatomy.
Moreover,
these
interfaced
bi-directional
electrical
recording,
chemical
stimulation.
This
effort
sought
develop
new
computational
techniques
which
be
applied
comparative
studies
using
neural
organoids.
In
particular,
we
adapted
CEBRA,
a
state
art
model
in
vivo
modeling
literature,
generate
2D
3D
embeddings
(projections
into
structured
low-dimensional
spaces)
high
dimensional
organoid
electrophysiology
data.
can
done
an
unsupervised
semi-supervised
manner.
Results
indicate
quickly
reliably
generated
serve
low-dimensional,
interpretable
for
characterizing
activity
over
time,
clustering
results
around
known
bursting
phenomena.
demonstrate
that
mixtures
von
Mises-Fisher
distributions
used
parametric
embedding
spaces
statistics
hypothesis
testing.
technique
may
types
creating
representation
quantitative
comparison
validation
against
animal
Looking
ahead,
this
work
allow
formulation
class
experiments
investigating
impact
toxins,
genetic
manipulations,
pharmacological
on
neurons.
Язык: Английский
Harnessing Intelligence from Brain Cells In Vitro
The Neuroscientist,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 13, 2025
Harnessing
intelligence
from
brain
cells
in
vitro
requires
a
multidisciplinary
approach
integrating
wetware,
hardware,
and
software.
Wetware
comprises
the
themselves,
where
differentiation
induced
pluripotent
stem
offers
ethical
scalability;
hardware
typically
involves
life
support
system
setup
to
record
activity
deliver
stimulation
cells;
software
is
required
control
process
signals
coming
going
cells.
This
review
provides
broad
summary
of
foundational
technologies
underpinning
these
components,
along
with
outlining
importance
technology
integration.
Of
particular
that
this
new
ability
extend
beyond
traditional
methods
assess
primarily
survival
spontaneous
neural
cultures.
Instead,
focus
returns
core
function
tissue:
neurocomputational
information
respond
accordingly.
Therefore,
also
covers
work
that,
despite
relatively
early
state
current
technology,
has
provided
novel
meaningful
understandings
field
neuroscience
opening
exciting
avenues
for
future
research.
Язык: Английский
Protosequences in human cortical organoids model intrinsic states in the developing cortex
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 30, 2023
Neuronal
firing
sequences
are
thought
to
be
the
basic
building
blocks
of
neural
coding
and
information
broadcasting
within
brain.
However,
when
emerge
during
neurodevelopment
remains
unknown.
We
demonstrate
that
structured
present
in
spontaneous
activity
human
brain
organoids
Язык: Английский