Nature,
Journal Year:
2024,
Volume and Issue:
627(8005), P. 854 - 864
Published: March 13, 2024
Abstract
The
heart,
which
is
the
first
organ
to
develop,
highly
dependent
on
its
form
function
1,2
.
However,
how
diverse
cardiac
cell
types
spatially
coordinate
create
complex
morphological
structures
that
are
crucial
for
heart
remains
unclear.
Here
we
integrated
single-cell
RNA-sequencing
with
high-resolution
multiplexed
error-robust
fluorescence
in
situ
hybridization
resolve
identity
of
develop
human
heart.
This
approach
also
provided
a
spatial
mapping
individual
cells
enables
illumination
their
organization
into
cellular
communities
distinct
structures.
We
discovered
many
these
further
specified
subpopulations
exclusive
specific
communities,
support
specialization
according
ecosystem
and
anatomical
region.
In
particular,
ventricular
cardiomyocyte
displayed
an
unexpected
laminar
across
wall
formed,
other
subpopulations,
several
communities.
Interrogating
cell–cell
interactions
within
using
vivo
conditional
genetic
mouse
models
vitro
pluripotent
stem
systems
revealed
multicellular
signalling
pathways
orchestrate
during
morphogenesis.
These
detailed
findings
social
constructing
remodelling
offer
new
insights
structural
diseases
engineering
tissues
repair.
Nature,
Journal Year:
2020,
Volume and Issue:
598(7879), P. 144 - 150
Published: Nov. 12, 2020
Abstract
Cortical
neurons
exhibit
extreme
diversity
in
gene
expression
as
well
morphological
and
electrophysiological
properties
1,2
.
Most
existing
neural
taxonomies
are
based
on
either
transcriptomic
3,4
or
morpho-electric
5,6
criteria,
it
has
been
technically
challenging
to
study
both
aspects
of
neuronal
the
same
set
cells
7
Here
we
used
Patch-seq
8
combine
patch-clamp
recording,
biocytin
staining,
single-cell
RNA
sequencing
more
than
1,300
adult
mouse
primary
motor
cortex,
providing
a
annotation
almost
all
transcriptomically
defined
cell
types.
We
found
that,
although
broad
families
types
(those
expressing
Vip
,
Pvalb
Sst
so
on)
had
distinct
essentially
non-overlapping
phenotypes,
individual
within
family
were
not
separated
space.
Instead,
there
was
continuum
variability
morphology
electrophysiology,
with
neighbouring
showing
similar
features,
often
without
clear
boundaries
between
them.
Our
results
suggest
that
neocortex
do
always
form
discrete
entities.
hierarchy
consists
branches
at
level
families,
but
can
continuous
correlated
morpho-electrical
landscapes
families.
Nature,
Journal Year:
2021,
Volume and Issue:
598(7879), P. 174 - 181
Published: Oct. 6, 2021
Abstract
Dendritic
and
axonal
morphology
reflects
the
input
output
of
neurons
is
a
defining
feature
neuronal
types
1,2
,
yet
our
knowledge
its
diversity
remains
limited.
Here,
to
systematically
examine
complete
single-neuron
morphologies
on
brain-wide
scale,
we
established
pipeline
encompassing
sparse
labelling,
whole-brain
imaging,
reconstruction,
registration
analysis.
We
fully
reconstructed
1,741
from
cortex,
claustrum,
thalamus,
striatum
other
brain
regions
in
mice.
identified
11
major
projection
neuron
with
distinct
morphological
features
corresponding
transcriptomic
identities.
Extensive
projectional
was
found
within
each
these
types,
basis
which
some
were
clustered
into
more
refined
subtypes.
This
follows
set
generalizable
principles
that
govern
long-range
projections
at
different
levels,
including
molecular
correspondence,
divergent
or
convergent
projection,
axon
termination
pattern,
regional
specificity,
topography,
individual
cell
variability.
Although
clear
concordance
profiles
evident
level
type,
fine-grained
often
does
not
readily
correlate
subtypes
derived
unsupervised
clustering,
highlighting
need
for
single-cell
cross-modality
studies.
Overall,
study
demonstrates
crucial
quantitative
description
anatomy
cell-type
classification,
as
reveals
plethora
ways
their
members
may
contribute
configuration
function
respective
circuits.
Nature,
Journal Year:
2021,
Volume and Issue:
598(7879), P. 103 - 110
Published: Oct. 6, 2021
Abstract
Single-cell
transcriptomics
can
provide
quantitative
molecular
signatures
for
large,
unbiased
samples
of
the
diverse
cell
types
in
brain
1–3
.
With
proliferation
multi-omics
datasets,
a
major
challenge
is
to
validate
and
integrate
results
into
biological
understanding
cell-type
organization.
Here
we
generated
transcriptomes
epigenomes
from
more
than
500,000
individual
cells
mouse
primary
motor
cortex,
structure
that
has
an
evolutionarily
conserved
role
locomotion.
We
developed
computational
statistical
methods
multimodal
data
quantitatively
reproducibility.
The
resulting
reference
atlas—containing
over
56
neuronal
are
highly
replicable
across
analysis
methods,
sequencing
technologies
modalities—is
comprehensive
genomic
account
non-neuronal
cortex.
atlas
includes
population
excitatory
neurons
resemble
pyramidal
layer
4
other
cortical
regions
further
discovered
thousands
concordant
marker
genes
gene
regulatory
elements
these
types.
Our
highlight
complex
regulation
will
directly
enable
design
reagents
target
specific
cortex
functional
analysis.
Science,
Journal Year:
2023,
Volume and Issue:
381(6657)
Published: Aug. 3, 2023
Spatial
omics
has
been
widely
heralded
as
the
new
frontier
in
life
sciences.
This
term
encompasses
a
wide
range
of
techniques
that
promise
to
transform
many
areas
biology
and
eventually
revolutionize
pathology
by
measuring
physical
tissue
structure
molecular
characteristics
at
same
time.
Although
field
came
age
past
5
years,
it
still
suffers
from
some
growing
pains:
barriers
entry,
robustness,
unclear
best
practices
for
experimental
design
analysis,
lack
standardization.
In
this
Review,
we
present
systematic
catalog
different
families
spatial
technologies;
highlight
their
principles,
power,
limitations;
give
perspective
suggestions
on
biggest
challenges
lay
ahead
incredibly
powerful-but
hard
navigate-landscape.
Cell,
Journal Year:
2022,
Volume and Issue:
186(1), P. 194 - 208.e18
Published: Dec. 28, 2022
The
diversity
and
complex
organization
of
cells
in
the
brain
have
hindered
systematic
characterization
age-related
changes
its
cellular
molecular
architecture,
limiting
our
ability
to
understand
mechanisms
underlying
functional
decline
during
aging.
Here,
we
generated
a
high-resolution
cell
atlas
aging
within
frontal
cortex
striatum
using
spatially
resolved
single-cell
transcriptomics
quantified
gene
expression
spatial
major
types
these
regions
over
mouse
lifespan.
We
observed
substantially
more
pronounced
state,
expression,
non-neuronal
neurons.
Our
data
revealed
signatures
glial
immune
activation
aging,
particularly
enriched
subcortical
white
matter,
identified
both
similarities
notable
differences
cell-activation
patterns
induced
by
systemic
inflammatory
challenge.
These
results
provide
critical
insights
into
inflammation
brain.
Nature,
Journal Year:
2023,
Volume and Issue:
624(7991), P. 343 - 354
Published: Dec. 13, 2023
In
mammalian
brains,
millions
to
billions
of
cells
form
complex
interaction
networks
enable
a
wide
range
functions.
The
enormous
diversity
and
intricate
organization
have
impeded
our
understanding
the
molecular
cellular
basis
brain
function.
Recent
advances
in
spatially
resolved
single-cell
transcriptomics
enabled
systematic
mapping
spatial
molecularly
defined
cell
types
tissues1-3,
including
several
regions
(for
example,
refs.
1-11).
However,
comprehensive
atlas
whole
is
still
missing.
Here
we
imaged
panel
more
than
1,100
genes
approximately
10
million
across
entire
adult
mouse
brains
using
multiplexed
error-robust
fluorescence
situ
hybridization12
performed
resolved,
expression
profiling
at
whole-transcriptome
scale
by
integrating
hybridization
RNA
sequencing
data.
Using
this
approach,
generated
5,000
transcriptionally
distinct
clusters,
belonging
300
major
types,
with
high
resolution.
Registration
common
coordinate
framework
allowed
quantifications
cell-type
composition
individual
regions.
We
further
identified
modules
characterized
compositions
gradients
featuring
gradual
changes
cells.
Finally,
high-resolution
map
cells,
each
transcriptome-wide
profile,
us
infer
cell-type-specific
interactions
between
hundreds
pairs
predict
(ligand-receptor)
functional
implications
these
cell-cell
interactions.
These
results
provide
rich
insights
into
architecture
foundation
for
investigations
neural
circuits
their
dysfunction
health
disease.