Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Oct. 13, 2022
FOXP3+
regulatory
T
(Treg)
cells
play
critical
roles
in
establishing
the
immunosuppressive
tumour
microenvironment,
which
is
achieved
and
dynamically
maintained
with
contribution
of
various
stromal
immune
cell
subsets.
However,
dynamics
non-lymphoid
Treg
mutual
regulation
other
types
solid
microenvironment
remains
largely
unclear.
In
this
review,
we
summarize
latest
findings
on
dynamic
connections
reciprocal
regulations
subsets
accordance
well-established
new
emerging
hallmarks
cancer,
especially
escape
tumours.
Our
comprehension
interplay
between
key
cancer
may
provide
insights
into
development
next-generation
engineered
cell-based
treatments
for
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 14, 2023
Abstract
Dysregulated
cell-cell
communication
is
a
hallmark
of
many
disease
phenotypes.
Due
to
recent
advances
in
single-cell
transcriptomics
and
computational
approaches,
it
now
possible
study
intercellular
on
genome-
tissue-wide
scale.
However,
most
current
inference
tools
have
limitations
when
analyzing
data
from
multiple
samples
conditions.
Their
main
limitation
that
they
do
not
address
inter-sample
heterogeneity
adequately,
which
could
lead
false
inference.
This
issue
crucial
for
human
cohort
scRNA-seq
datasets,
complicating
the
comparison
between
healthy
diseased
subjects.
Therefore,
we
developed
MultiNicheNet
(
https://github.com/saeyslab/multinichenetr
),
novel
framework
better
analyze
multi-sample
multi-condition
data.
The
goals
are
inferring
differentially
expressed
active
ligand-receptor
pairs
conditions
interest
predicting
putative
downstream
target
genes
these
pairs.
To
achieve
this
goal,
applies
principles
state-of-the-art
differential
expression
algorithms
As
result,
users
can
while
adequately
addressing
heterogeneity,
handling
complex
multifactorial
experimental
designs,
correcting
batch
effects
covariates.
Moreover,
uses
NicheNet-v2,
our
new
substantially
improved
version
NicheNet’s
network
ligand-target
prior
knowledge
model.
We
applied
patient
several
diseases
(breast
cancer,
squamous
cell
carcinoma,
multisystem
inflammatory
syndrome
children,
lung
fibrosis).
For
diseases,
uncovered
known
aberrant
signaling
processes.
also
demonstrated
MultiNicheNet’s
potential
perform
non-trivial
analysis
tasks,
such
as
studying
between-
within-group
differences
dynamics
response
therapy.
final
example,
used
MulitNicheNet
elucidate
dysregulated
idiopathic
pulmonary
fibrosis
integrated
atlas
Given
anticipated
increase
datasets
due
technological
advancements
extensive
atlas-building
integration
efforts,
expect
will
be
valuable
tool
uncover
states.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
unknown, P. 2210440 - 2210440
Published: Jan. 19, 2023
Immunotherapy
has
achieved
revolutionary
success
in
clinics,
but
it
remains
challenging
for
treating
hepatocellular
carcinoma
(HCC)
characterized
by
high
vascularization.
Here,
is
reported
that
metal-organic
framework-801
(MOF-801)
can
be
employed
as
a
stimulator
of
interferon
genes
(STING)
through
Toll-like
receptor
4
(TLR4)
not
just
drug
delivery
carrier.
Notably,
cytosine-phosphate-guanine
oligodeoxynucleotides
(CpG
ODNs)
and
5,
6-dimethylxanthenone-4-acetic
acid
(DMXAA)
STING
agonist
with
vascular
disrupting
function
coordinates
MOF-801
to
self-assemble
into
nanoparticle
(MOF-CpG-DMXAA)
effectively
delivers
CpG
ODNs
DMXAA
cells
synergistically
improving
the
tumor
microenvironment
reprogramming
tumor-associated
macrophages
(TAMs),
promoting
dendritic
(DCs)
maturation,
well
destroying
blood
vessels.
In
HCC-bearing
mouse
models,
demonstrated
MOF-CpG-DMXAA
triggers
systemic
immune
activation
stimulates
robust
tumoricidal
immunity,
resulting
superior
immunotherapeutic
efficiency
orthotopic
recurrent
HCC.
Clinical and Translational Medicine,
Journal Year:
2023,
Volume and Issue:
13(2)
Published: Feb. 1, 2023
Abstract
Background
Dendritic
cells
(DCs)
mediate
divergent
immune
effects
by
activating
T
or
negatively
regulating
the
response
to
promote
tolerance.
They
perform
specific
functions
determined
their
tissue
distribution
and
maturation
state.
Traditionally,
immature
semimature
DCs
were
described
have
immunosuppressive
effects,
leading
Nonetheless,
recent
research
has
demonstrated
that
mature
can
also
suppress
under
certain
circumstances.
Main
body
Mature
enriched
in
immunoregulatory
molecules
(mregDCs)
emerged
as
a
regulatory
module
across
species
tumour
types.
Indeed,
distinct
roles
of
mregDCs
immunotherapy
sparked
interest
researchers
field
single‐cell
omics.
In
particular,
these
found
be
associated
with
positive
favourable
prognosis.
Conclusion
Here,
we
provide
general
overview
latest
most
notable
advances
findings
regarding
basic
features
complex
nonmalignant
diseases
microenvironment.
We
emphasise
important
clinical
implications
tumours.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: March 22, 2024
Abstract
Head
and
neck
squamous
cell
carcinoma
is
the
sixth
most
common
cancer
worldwide
has
high
heterogeneity
unsatisfactory
outcomes.
To
better
characterize
tumor
progression
trajectory,
we
perform
single-cell
RNA
sequencing
of
normal
tissue,
precancerous
early-stage,
advanced-stage
lymph
node,
recurrent
tumors
tissue
samples.
We
identify
transcriptional
development
trajectory
malignant
epithelial
cells
a
tumorigenic
subcluster
regulated
by
TFDP1
.
Furthermore,
find
that
infiltration
POSTN
+
fibroblasts
SPP1
macrophages
gradually
increases
with
progression;
their
interaction
or
also
increase
to
shape
desmoplastic
microenvironment
reprogram
promote
progression.
Additionally,
demonstrate
during
node
metastasis,
exhausted
CD8
T
CXCL13
expression
strongly
interact
acquire
more
aggressive
phenotypes
extranodal
expansion.
Finally,
delineate
distinct
features
in
primary
tumors,
providing
theoretical
foundation
for
precise
selection
targeted
therapy
at
different
stages.
In
summary,
current
study
offers
comprehensive
landscape
deep
insight
into
microenvironmental
reprogramming
throughout
initiation,
progression,
metastasis
recurrence
head
carcinoma.
Nature Immunology,
Journal Year:
2024,
Volume and Issue:
25(3), P. 512 - 524
Published: Feb. 14, 2024
Abstract
Interleukin-23
(IL-23)
is
a
proinflammatory
cytokine
mainly
produced
by
myeloid
cells
that
promotes
tumor
growth
in
various
preclinical
cancer
models
and
correlates
with
adverse
outcomes.
However,
as
to
how
IL-23
fuels
unclear.
Here,
we
found
tumor-associated
macrophages
be
the
main
source
of
mouse
human
microenvironments.
Among
IL-23-sensing
cells,
identified
subset
tumor-infiltrating
regulatory
T
(T
reg
)
display
highly
suppressive
phenotype
across
tumors.
The
use
three
solid
combination
genetic
ablation
Il23r
revealed
they
are
responsible
for
tumor-promoting
effect
IL-23.
Mechanistically,
sensing
represents
crucial
signal
driving
maintenance
stabilization
effector
involving
transcription
factor
Foxp3.
Our
data
support
targeting
IL-23/IL-23R
axis
may
represent
means
eliciting
antitumor
immunity.
Cytometry Part A,
Journal Year:
2024,
Volume and Issue:
105(6), P. 430 - 436
Published: April 18, 2024
Abstract
We
report
the
development
of
an
optimized
50‐color
spectral
flow
cytometry
panel
designed
for
in‐depth
analysis
immune
system
in
human
blood
and
tissues,
with
goal
maximizing
amount
information
that
can
be
collected
using
currently
available
platforms.
established
tested
this
peripheral
mononuclear
cells
(PBMCs),
but
included
CD45
to
enable
its
future
use
tissue
samples.
The
contains
lineage
markers
all
major
cell
subsets,
extensive
set
phenotyping
focused
on
activation
differentiation
status
T
dendritic
(DC)
compartment.
outline
biological
insight
gained
from
simultaneous
measurement
such
a
large
number
proteins
propose
approach
provides
unique
opportunity
comprehensive
exploration
samples
limited
cells.
Of
note,
we
compatible
sorting
further
downstream
applications.
Furthermore,
facilitate
wide‐spread
implementation
across
different
cohorts
samples,
trimmed‐down
45‐color
version
which
used
Finally,
generate
panel,
utilized
not
only
existing
design
guidelines,
also
developed
new
metrics
systematically
identify
optimal
combination
50
fluorochromes
evaluate
fluorochrome‐specific
resolution
context
unmixing
matrix.