Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(31)
Published: Sept. 24, 2023
Bladder
carcinoma
(BC)
recurrence
is
a
major
clinical
challenge,
and
targeting
the
tumor
microenvironment
(TME)
promising
therapy.
However,
relationship
between
individual
TME
components,
particularly
cancer-associated
fibroblasts
(CAFs),
unclear.
Here,
heterogeneity
in
primary
recurrent
BC
investigated
using
single-cell
RNA
sequence
profiling
of
62
460
cells.
Two
cancer
stem
cell
(CSC)
subtypes
are
identified
BC.
An
inflammatory
CAF
subtype,
ICAM1+
iCAFs,
specifically
associated
with
also
identified.
iCAFs
found
to
secrete
FGF2,
which
acts
on
CD44
receptor
rCSC-M,
thereby
maintaining
stemness
epithelial-mesenchymal
transition.
Additionally,
THBS1+
monocytes,
group
myeloid-derived
suppressor
cells
(MDSCs),
enriched
interacted
CAFs.
CCL2,
binds
CCR2
MDSCs.
Moreover,
elevated
STAT3,
NFKB2,
VEGFA,
CTGF
levels
reshape
tumors.
CCL2
inhibition
an
situ
mouse
model
suppressed
growth,
decreased
MDSCs
Tregs,
fostered
immune
suppression.
The
study
results
highlight
role
cell-cell
crosstalk
during
identification
pivotal
signaling
factors
driving
relapse
for
development
novel
therapies.
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.
Nucleic Acids Research,
Journal Year:
2023,
Volume and Issue:
52(D1), P. D18 - D32
Published: Nov. 29, 2023
Abstract
The
National
Genomics
Data
Center
(NGDC),
which
is
a
part
of
the
China
for
Bioinformation
(CNCB),
provides
family
database
resources
to
support
global
academic
and
industrial
communities.
With
rapid
accumulation
multi-omics
data
at
an
unprecedented
pace,
CNCB-NGDC
continuously
expands
updates
core
through
big
archiving,
integrative
analysis
value-added
curation.
Importantly,
NGDC
collaborates
closely
with
major
international
databases
initiatives
ensure
seamless
exchange
interoperability.
Over
past
year,
significant
efforts
have
been
dedicated
integrating
diverse
omics
data,
synthesizing
expanding
knowledge,
developing
new
resources,
upgrading
existing
resources.
Particularly,
several
are
newly
developed
biodiversity
protists
(P10K),
bacteria
(NTM-DB,
MPA)
as
well
plant
(PPGR,
SoyOmics,
PlantPan)
disease/trait
association
(CROST,
HervD
Atlas,
HALL,
MACdb,
BioKA,
RePoS,
PGG.SV,
NAFLDkb).
All
services
publicly
accessible
https://ngdc.cncb.ac.cn.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(3), P. 2943 - 2943
Published: Feb. 2, 2023
As
an
emerging
sequencing
technology,
single-cell
RNA
(scRNA-Seq)
has
become
a
powerful
tool
for
describing
cell
subpopulation
classification
and
heterogeneity
by
achieving
high-throughput
multidimensional
analysis
of
individual
cells
circumventing
the
shortcomings
traditional
detecting
average
transcript
level
populations.
It
been
applied
to
life
science
medicine
research
fields
such
as
tracking
dynamic
differentiation,
revealing
sensitive
effector
cells,
key
molecular
events
diseases.
This
review
focuses
on
recent
technological
innovations
in
scRNA-Seq,
highlighting
latest
results
with
scRNA-Seq
core
technology
frontier
areas
embryology,
histology,
oncology,
immunology.
In
addition,
this
outlines
prospects
its
innovative
application
Chinese
(TCM)
discusses
issues
currently
being
addressed
great
potential
exploring
disease
diagnostic
targets
uncovering
drug
therapeutic
combination
multiomics
technologies.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 31, 2023
Abstract
Large-scale
pretrained
models
have
become
foundation
leading
to
breakthroughs
in
natural
language
processing
and
related
fields.
Developing
life
science
for
deciphering
the
“languages”
of
cells
facilitating
biomedical
research
is
promising
yet
challenging.
We
developed
a
large-scale
model
scFoundation
with
100M
parameters
this
purpose.
was
trained
on
over
50
million
human
single-cell
transcriptomics
data,
which
contain
high-throughput
observations
complex
molecular
features
all
known
types
cells.
currently
largest
terms
size
trainable
parameters,
dimensionality
genes
number
used
pre-training.
Experiments
showed
that
can
serve
as
achieve
state-of-the-art
performances
diverse
array
downstream
tasks,
such
gene
expression
enhancement,
tissue
drug
response
prediction,
classification,
perturbation
prediction.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Feb. 21, 2023
scRNA-seq
has
uncovered
previously
unappreciated
levels
of
heterogeneity.
With
the
increasing
scale
studies,
major
challenge
is
correcting
batch
effect
and
accurately
detecting
number
cell
types,
which
inevitable
in
human
studies.
The
majority
algorithms
have
been
specifically
designed
to
remove
firstly
then
conduct
clustering,
may
miss
some
rare
types.
Here
we
develop
scDML,
a
deep
metric
learning
model
data,
guided
by
initial
clusters
nearest
neighbor
information
intra
inter
batches.
Comprehensive
evaluations
spanning
different
species
tissues
demonstrated
that
scDML
can
effect,
improve
clustering
performance,
recover
true
types
consistently
outperform
popular
methods
such
as
Seurat
3,
scVI,
Scanorama,
BBKNN,
Harmony
et
al.
Most
importantly,
preserves
subtle
raw
data
enables
discovery
new
subtypes
are
hard
extract
analyzing
each
individually.
We
also
show
scalable
large
datasets
with
lower
peak
memory
usage,
believe
offers
valuable
tool
study
complex
cellular
Frontiers in Oncology,
Journal Year:
2023,
Volume and Issue:
13
Published: May 17, 2023
Breast
cancer
is
a
highly
heterogeneous
disease,
at
both
inter-
and
intra-tumor
levels,
this
heterogeneity
crucial
determinant
of
malignant
progression
response
to
treatments.
In
addition
genetic
diversity
plasticity
cells,
the
tumor
microenvironment
contributes
shaping
physical
biological
surroundings
tumor.
The
activity
certain
types
immune,
endothelial
or
mesenchymal
cells
in
can
change
effectiveness
therapies
via
plethora
different
mechanisms.
Therefore,
deciphering
interactions
between
distinct
cell
types,
their
spatial
organization
specific
contribution
growth
drug
sensitivity
still
major
challenge.
Dissecting
currently
an
urgent
need
better
define
breast
biology
develop
therapeutic
strategies
targeting
as
helpful
tools
for
combined
personalized
treatment.
review,
we
analyze
mechanisms
by
which
affects
characteristics
that
ultimately
result
resistance,
outline
state
art
preclinical
models
emerging
technologies
will
be
instrumental
unraveling
impact
on
resistance
therapies.
Briefings in Bioinformatics,
Journal Year:
2024,
Volume and Issue:
25(2)
Published: Jan. 22, 2024
Abstract
In
recent
years,
there
has
been
a
growing
trend
in
the
realm
of
parallel
clustering
analysis
for
single-cell
RNA-seq
(scRNA)
and
Assay
Transposase
Accessible
Chromatin
(scATAC)
data.
However,
prevailing
methods
often
treat
these
two
data
modalities
as
equals,
neglecting
fact
that
scRNA
mode
holds
significantly
richer
information
compared
to
scATAC.
This
disregard
hinders
model
benefits
from
insights
derived
multiple
modalities,
compromising
overall
performance.
To
this
end,
we
propose
an
effective
multi-modal
scEMC
Concretely,
have
devised
skip
aggregation
network
simultaneously
learn
global
structural
among
cells
integrate
diverse
modalities.
safeguard
quality
integrated
cell
representation
against
influence
stemming
sparse
scATAC
data,
connect
with
aggregated
via
connection.
Moreover,
effectively
fit
real
distribution
cells,
introduced
Zero
Inflated
Negative
Binomial-based
denoising
autoencoder
accommodates
corrupted
containing
synthetic
noise,
concurrently
integrating
joint
optimization
module
employs
losses.
Extensive
experiments
serve
underscore
effectiveness
our
model.
work
contributes
ongoing
exploration
subpopulations
tumor
microenvironments,
code
will
be
public
at
https://github.com/DayuHuu/scEMC.
Biomarker Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Sept. 27, 2024
Abstract
Cells,
as
the
fundamental
units
of
life,
contain
multidimensional
spatiotemporal
information.
Single-cell
RNA
sequencing
(scRNA-seq)
is
revolutionizing
biomedical
science
by
analyzing
cellular
state
and
intercellular
heterogeneity.
Undoubtedly,
single-cell
transcriptomics
has
emerged
one
most
vibrant
research
fields
today.
With
optimization
innovation
technologies,
intricate
details
concealed
within
cells
are
gradually
unveiled.
The
combination
scRNA-seq
other
multi-omics
at
forefront
field.
This
involves
simultaneously
measuring
various
omics
data
individual
cells,
expanding
our
understanding
across
a
broader
spectrum
dimensions.
precisely
captures
aspects
transcriptomes,
immune
repertoire,
spatial
information,
temporal
epitopes,
in
diverse
contexts.
In
addition
to
depicting
cell
atlas
normal
or
diseased
tissues,
it
also
provides
cornerstone
for
studying
differentiation
development
patterns,
disease
heterogeneity,
drug
resistance
mechanisms,
treatment
strategies.
Herein,
we
review
traditional
technologies
outline
latest
advancements
multi-omics.
We
summarize
current
status
challenges
applying
biological
clinical
applications.
Finally,
discuss
limitations
potential
strategies
address
them.