Nature Methods,
Journal Year:
2023,
Volume and Issue:
20(8), P. 1222 - 1231
Published: June 29, 2023
Jointly
profiling
the
transcriptome,
chromatin
accessibility
and
other
molecular
properties
of
single
cells
offers
a
powerful
way
to
study
cellular
diversity.
Here
we
present
MultiVI,
probabilistic
model
analyze
such
multiomic
data
leverage
it
enhance
single-modality
datasets.
MultiVI
creates
joint
representation
that
allows
an
analysis
all
modalities
included
in
input
data,
even
for
which
one
or
more
are
missing.
It
is
available
at
scvi-tools.org
.
Science,
Journal Year:
2022,
Volume and Issue:
376(6594)
Published: May 12, 2022
Understanding
gene
function
and
regulation
in
homeostasis
disease
requires
knowledge
of
the
cellular
tissue
contexts
which
genes
are
expressed.
Here,
we
applied
four
single-nucleus
RNA
sequencing
methods
to
eight
diverse,
archived,
frozen
types
from
16
donors
25
samples,
generating
a
cross-tissue
atlas
209,126
nuclei
profiles,
integrated
across
tissues,
donors,
laboratory
with
conditional
variational
autoencoder.
Using
resulting
atlas,
highlight
shared
tissue-specific
features
tissue-resident
cell
populations;
identify
that
might
contribute
neuromuscular,
metabolic,
immune
components
monogenic
diseases
biological
processes
involved
their
pathology;
determine
modules
underlie
mechanisms
for
complex
traits
analyzed
by
genome-wide
association
studies.
Cell Reports Methods,
Journal Year:
2023,
Volume and Issue:
3(6), P. 100498 - 100498
Published: June 1, 2023
Biological
systems
are
immensely
complex,
organized
into
a
multi-scale
hierarchy
of
functional
units
based
on
tightly
regulated
interactions
between
distinct
molecules,
cells,
organs,
and
organisms.
While
experimental
methods
enable
transcriptome-wide
measurements
across
millions
popular
bioinformatic
tools
do
not
support
systems-level
analysis.
Here
we
present
hdWGCNA,
comprehensive
framework
for
analyzing
co-expression
networks
in
high-dimensional
transcriptomics
data
such
as
single-cell
spatial
RNA
sequencing
(RNA-seq).
hdWGCNA
provides
functions
network
inference,
gene
module
identification,
enrichment
analysis,
statistical
tests,
visualization.
Beyond
conventional
RNA-seq,
is
capable
performing
isoform-level
analysis
using
long-read
data.
We
showcase
from
autism
spectrum
disorder
Alzheimer's
disease
brain
samples,
identifying
disease-relevant
modules.
directly
compatible
with
Seurat,
widely
used
R
package
demonstrate
the
scalability
by
dataset
containing
nearly
1
million
cells.
Nature Cardiovascular Research,
Journal Year:
2022,
Volume and Issue:
1(3), P. 263 - 280
Published: March 16, 2022
Heart
failure
represents
a
major
cause
of
morbidity
and
mortality
worldwide.
Single-cell
transcriptomics
have
revolutionized
our
understanding
cell
composition
associated
gene
expression.
Through
integrated
analysis
single-cell
single-nucleus
RNA-sequencing
data
generated
from
27
healthy
donors
18
individuals
with
dilated
cardiomyopathy,
here
we
define
the
failing
human
heart.
We
identify
cell-specific
transcriptional
signatures
age
heart
reveal
emergence
disease-associated
states.
Notably,
cardiomyocytes
converge
toward
common
states,
whereas
fibroblasts
myeloid
cells
undergo
dramatic
diversification.
Endothelial
pericytes
display
global
shifts
without
changes
in
complexity.
Collectively,
findings
provide
comprehensive
cellular
transcriptomic
landscape
failure,
type-specific
programs
states
establish
valuable
resource
for
investigation
failure.
Cell stem cell,
Journal Year:
2020,
Volume and Issue:
28(3), P. 472 - 487.e7
Published: Dec. 21, 2020
Regulation
of
hematopoiesis
during
human
development
remains
poorly
defined.
Here
we
applied
single-cell
RNA
sequencing
(scRNA-seq)
and
assay
for
transposase-accessible
chromatin
(scATAC-seq)
to
over
8,000
immunophenotypic
blood
cells
from
fetal
liver
bone
marrow.
We
inferred
their
differentiation
trajectory
identified
three
highly
proliferative
oligopotent
progenitor
populations
downstream
hematopoietic
stem
(HSCs)/multipotent
progenitors
(MPPs).
Along
this
trajectory,
observed
opposing
patterns
accessibility
that
coincided
with
dynamic
changes
in
the
activity
distinct
lineage-specific
transcription
factors.
Integrative
analysis
gene
expression
revealed
extensive
epigenetic
but
not
transcriptional
priming
HSCs/MPPs
prior
lineage
commitment.
Finally,
refined
functionally
validated
sorting
strategy
achieved
around
90%
enrichment.
Our
study
provides
a
useful
framework
future
investigation
developmental
context
pathologies
regenerative
medicine.
Cancer Cell,
Journal Year:
2022,
Volume and Issue:
40(12), P. 1503 - 1520.e8
Published: Nov. 10, 2022
Non-small
cell
lung
cancer
(NSCLC)
is
characterized
by
molecular
heterogeneity
with
diverse
immune
infiltration
patterns,
which
has
been
linked
to
therapy
sensitivity
and
resistance.
However,
full
understanding
of
how
phenotypes
vary
across
different
patient
subgroups
lacking.
Here,
we
dissect
the
NSCLC
tumor
microenvironment
at
high
resolution
integrating
1,283,972
single
cells
from
556
samples
318
patients
29
datasets,
including
our
dataset
capturing
low
mRNA
content.
We
stratify
into
immune-deserted,
B
cell,
T
myeloid
subtypes.
Using
bulk
genomic
clinical
information,
identify
cellular
components
associated
histology
genotypes.
then
focus
on
analysis
tissue-resident
neutrophils
(TRNs)
uncover
distinct
subpopulations
that
acquire
new
functional
properties
in
tissue
microenvironment,
providing
evidence
for
plasticity
TRNs.
Finally,
show
a
TRN-derived
gene
signature
anti-programmed
death
ligand
1
(PD-L1)
treatment
failure.
Nature Reviews Drug Discovery,
Journal Year:
2023,
Volume and Issue:
22(6), P. 496 - 520
Published: April 28, 2023
Single-cell
technologies,
particularly
single-cell
RNA
sequencing
(scRNA-seq)
methods,
together
with
associated
computational
tools
and
the
growing
availability
of
public
data
resources,
are
transforming
drug
discovery
development.
New
opportunities
emerging
in
target
identification
owing
to
improved
disease
understanding
through
cell
subtyping,
highly
multiplexed
functional
genomics
screens
incorporating
scRNA-seq
enhancing
credentialling
prioritization.
ScRNA-seq
is
also
aiding
selection
relevant
preclinical
models
providing
new
insights
into
mechanisms
action.
In
clinical
development,
can
inform
decision-making
via
biomarker
for
patient
stratification
more
precise
monitoring
response
progression.
Here,
we
illustrate
how
methods
being
applied
key
steps
discuss
ongoing
challenges
their
implementation
pharmaceutical
industry.
There
have
been
significant
recent
advances
development
remarkable
Ferran
colleagues
primarily
pipeline,
from
decision-making.
Ongoing
potential
future
directions
discussed.