Cell Reports Medicine,
Journal Year:
2021,
Volume and Issue:
2(3), P. 100219 - 100219
Published: March 1, 2021
Single-cell
RNA
sequencing
(scRNA-seq)
is
an
evolving
technology
used
to
elucidate
the
cellular
architecture
of
adult
organs.
Previous
scRNA-seq
on
breast
tissue
utilized
reduction
mammoplasty
samples,
which
are
often
histologically
abnormal.
We
report
a
rapid
collection/processing
protocol
perform
biopsies
healthy
women
and
identify
23
epithelial
cell
clusters.
Putative
cell-of-origin
signatures
derived
from
these
clusters
applied
analyze
transcriptomes
~3,000
cancers.
Gene
mature
luminal
enriched
in
~68%
cancers,
whereas
signature
progenitor
cluster
~20%
Overexpression
cluster-derived
HER2+,
but
not
other
subtypes,
associated
with
unfavorable
outcome.
TBX3
PDK4
as
genes
co-expressed
estrogen
receptor
(ER)
normal
breasts,
their
expression
analyses
>550
cancers
enable
prognostically
relevant
subclassification
ER+
Pharmacological Reviews,
Journal Year:
2021,
Volume and Issue:
73(3), P. 924 - 967
Published: June 4, 2021
The
endothelium,
a
cellular
monolayer
lining
the
blood
vessel
wall,
plays
critical
role
in
maintaining
multiorgan
health
and
homeostasis.
Endothelial
functions
include
dynamic
maintenance
of
vascular
tone,
angiogenesis,
hemostasis,
provision
an
antioxidant,
anti-inflammatory,
antithrombotic
interface.
Dysfunction
endothelium
presents
with
impaired
endothelium-dependent
vasodilation,
heightened
oxidative
stress,
chronic
inflammation,
leukocyte
adhesion
hyperpermeability,
endothelial
cell
senescence.
Recent
studies
have
implicated
altered
metabolism
endothelial-to-mesenchymal
transition
as
new
features
dysfunction.
dysfunction
is
regarded
hallmark
many
diverse
human
panvascular
diseases,
including
atherosclerosis,
hypertension,
diabetes.
has
also
been
severe
coronavirus
disease
2019.
Many
clinically
used
pharmacotherapies,
ranging
from
traditional
lipid-lowering
drugs,
antihypertensive
antidiabetic
drugs
to
proprotein
convertase
subtilisin/kexin
type
9
inhibitors
interleukin
1β
monoclonal
antibodies,
counter
part
their
clinical
benefits.
regulation
by
noncoding
RNAs
provided
novel
insights
into
these
newly
described
regulators
dysfunction,
thus
yielding
potential
therapeutic
approaches.
Altogether,
better
understanding
versatile
(dys)functions
cells
will
not
only
deepen
our
comprehension
diseases
but
accelerate
effective
drug
discovery.
In
this
review,
we
provide
timely
overview
multiple
layers
function,
describe
consequences
mechanisms
identify
pathways
targeted
therapies.
Significance
Statement
was
initially
considered
be
semipermeable
biomechanical
barrier
gatekeeper
health.
recent
decades,
deepened
biological
led
its
recognition
ubiquitous
tissue
regulating
behavior,
innate
immunity,
cell-cell
interactions,
wall.
cardiovascular,
metabolic,
emerging
infectious
diseases.
Pharmacotherapies
targeting
for
treatment
cardiovascular
other
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Jan. 29, 2021
Abstract
Endothelial
cells
play
a
critical
role
in
the
adaptation
of
tissues
to
injury.
Tissue
ischemia
induced
by
infarction
leads
profound
changes
endothelial
cell
functions
and
can
induce
transition
mesenchymal
state.
Here
we
explore
kinetics
individual
cellular
responses
after
myocardial
using
single
RNA
sequencing.
This
study
demonstrates
time
dependent
switch
proliferation
inflammation
associated
with
transient
metabolic
gene
signatures.
Trajectory
analysis
reveals
that
majority
3
7
days
acquire
state,
characterized
expression,
which
returns
baseline
14
Lineage
tracing,
Cdh5-CreERT2;mT/mG
mice
followed
sequencing,
confirms
additional
hypoxic
inflammatory
signatures
during
early
late
states
These
data
suggest
undergo
mes-enchymal
activation
concomitant
within
first
but
do
not
long-term
fate.
may
facilitate
migration
clonal
expansion
regenerate
vascular
network.
Angiogenesis,
Journal Year:
2023,
Volume and Issue:
26(3), P. 313 - 347
Published: April 15, 2023
In
multicellular
organisms,
angiogenesis,
the
formation
of
new
blood
vessels
from
pre-existing
ones,
is
an
essential
process
for
growth
and
development.
Different
mechanisms
such
as
vasculogenesis,
sprouting,
intussusceptive,
coalescent
well
vessel
co-option,
vasculogenic
mimicry
lymphangiogenesis,
underlie
vasculature.
many
pathological
conditions,
cancer,
atherosclerosis,
arthritis,
psoriasis,
endometriosis,
obesity
SARS-CoV-2(COVID-19),
developmental
angiogenic
processes
are
recapitulated,
but
often
done
so
without
normal
feedback
that
regulate
ordinary
spatial
temporal
patterns
formation.
Thus,
angiogenesis
presents
challenges
yet
opportunities
design
vascular-directed
therapies.
Here,
we
provide
overview
recent
insights
into
development
highlight
novel
therapeutic
strategies
promote
or
inhibit
to
stabilize,
reverse,
even
halt
disease
progression.
our
review,
will
also
explore
several
additional
aspects
(the
switch,
hypoxia,
angiocrine
signals,
endothelial
plasticity,
normalization,
cell
anergy)
operate
in
parallel
canonical
speculate
how
these
may
be
targeted
with
anti-angiogenic
Circulation,
Journal Year:
2020,
Volume and Issue:
142(19), P. 1848 - 1862
Published: Sept. 15, 2020
Endothelial
cells
(ECs)
display
considerable
functional
heterogeneity
depending
on
the
vessel
and
tissue
in
which
they
are
located.
Whereas
these
differences
presumably
imprinted
transcriptome,
pathways
networks
that
sustain
EC
have
not
been
fully
delineated.To
investigate
transcriptomic
basis
of
specificity,
we
analyzed
single-cell
RNA
sequencing
data
from
tissue-specific
mouse
ECs
generated
by
Tabula
Muris
consortium.
We
used
a
number
bioinformatics
tools
to
uncover
markers
sources
data.We
found
strong
correlation
between
measurements
either
or
bulk
sequencing,
thus
validating
approach.
Using
graph-based
clustering
algorithm,
certain
cluster
strongly
(eg,
liver,
brain),
whereas
others
(ie,
adipose,
heart)
overlap
with
other
tissues.
identified
novel
signaling
may
be
involved
maintaining
their
identity.
Sex
was
source
endothelial
transcriptome
discovered
Lars2
gene
is
highly
enriched
male
mice.
heart
lung
mice
were
conserved
human
fetal
ECs.
potential
angiocrine
interactions
cell
types
analyzing
ligand
receptor
expression
patterns.We
consortium
transcriptional
maintain
identity
identify
relationships
Frontiers in Cell and Developmental Biology,
Journal Year:
2020,
Volume and Issue:
8
Published: Aug. 14, 2020
Cancer
is
one
of
the
most
important
causes
morbidity
and
mortality
worldwide.
Tumor
cells
grow
in
a
complex
microenvironment
constituted
immune,
stromal
vascular
that
supports
growth,
angiogenesis
metastasis.
Endothelial
are
major
components
microenvironment.
These
have
been
described
for
their
plasticity
potential
to
transdifferentiate
into
mesenchymal
through
process
known
as
endothelial-to
transition
(EndMT).
This
controlled
by
various
factors,
which
endothelial
convert
phenotype
characterized
protein
expression
motile,
contractile
morphology.
Initially
normal
heart
development,
EndMT
now
identified
several
pathologies,
especially
cancer.
In
this
review,
we
highlight
context
cancer
discuss
it
an
adaptive
tumor
favors
growth
dissemination
but
also
resistance
treatment.
Thus,
underline
targeting
therapeutic
strategy.
Frontiers in Cell and Developmental Biology,
Journal Year:
2020,
Volume and Issue:
8
Published: Aug. 19, 2020
The
tumor
microenvironment
(TME)
plays
a
central
role
in
cancer
development
and
progression.
It
represents
complex
network
of
cell
(sub-)clones
variety
stromal
types.
Recently,
new
technology
platforms
shed
light
on
the
cellular
composition
TME
at
very
high
resolution
identified
landscape
multi-lineage
immune
cells
(e.g.
T
B
lymphocytes,
myeloid
cells,
dendritic
cells),
associated
fibroblasts
(CAF)
endothelial
(TECs).
A
growing
body
evidence
suggests
that
metabolically,
genetically
their
transcriptomic
profile
TECs
exhibit
unique
phenotypic
functional
characteristics
when
compared
to
normal
(NECs).
Furthermore,
is
multifaceted
as
they
are
not
only
relevant
for
promoting
angiogenesis
but
have
also
evolved
key
mediators
regulation
TME.
Regulatory
mechanisms
profoundly
impact
peripheral
trafficking
into
compartment
by
acting
major
gatekeepers
transmigration.
Moreover,
with
priming,
activation
proliferation
antigen-presenting
themselves.
essential
formation
tertiary
lymphoid
structures
(TLS)
within
tumor,
which
recently
been
treatment
response
checkpoint
antibody
therapy.
Further
NECs
proliferative
potential
well
greatly
altered
gene
expression
upregulation
pro-angiogenic,
extracellular
matrix
remodeling
stemness
genes),
results
enhanced
secretion
immunomodulatory
cytokines
cell-surface
receptors
histocompatibility
(MHC)
checkpoints).
TEC
phenotype
may
be
rooted
an
aggressive
micro-milieu
based
stress
via
hypoxia
reactive
oxygen
species.
Vice
versa
might
modulate
immunogenicity
thereby
fostering
cancer-associated
suppression.
This
review
aims
elucidate
currently
emergent
pathophysiological
aspects
particular
focus
regulators
function
main
future
challenge
deeply
characterize
illuminate
ultimate
goal
identification
TEC-specific
drug
targets
improve
(immuno-)therapy.
Genome Research,
Journal Year:
2021,
Volume and Issue:
31(10), P. 1867 - 1884
Published: July 22, 2021
The
metabolic
heterogeneity
and
interplay
between
cells
are
known
as
significant
contributors
to
disease
treatment
resistance.
However,
with
the
lack
of
a
mature
high-throughput
single-cell
metabolomics
technology,
we
yet
establish
systematic
understanding
intra-tissue
cooperative
mechanisms.
To
mitigate
this
knowledge
gap,
developed
novel
computational
method,
namely,
flux
estimation
analysis
(scFEA),
infer
cell-wise
fluxome
from
RNA-sequencing
(scRNA-seq)
data.
scFEA
is
empowered
by
systematically
reconstructed
human
map
factor
graph,
probabilistic
model
leverage
balance
constraints
on
scRNA-seq
data,
graph
neural
network–based
optimization
solver.
intricate
information
cascade
transcriptome
metabolome
was
captured
using
multilayer
networks
capitulate
nonlinear
dependency
enzymatic
gene
expressions
reaction
rates.
We
experimentally
validated
generating
an
data
set
matched
perturbed
oxygen
genetic
conditions.
Application
showed
consistency
predicted
observed
variation
metabolite
abundance
in
also
applied
five
publicly
available
spatial
transcriptomics
sets
identified
context-
cell
group–specific
variations.
empowers
series
downstream
analyses
including
identification
modules
or
groups
that
share
common
variations,
sensitivity
evaluation
enzymes
regards
their
impact
whole
flux,
inference
cell–tissue
cell–cell
communications.