Nature Methods,
Journal Year:
2024,
Volume and Issue:
21(2), P. 267 - 278
Published: Jan. 8, 2024
Abstract
It
is
poorly
understood
how
different
cells
in
a
tissue
organize
themselves
to
support
functions.
We
describe
the
CytoCommunity
algorithm
for
identification
of
cellular
neighborhoods
(TCNs)
based
on
cell
phenotypes
and
their
spatial
distributions.
learns
mapping
directly
from
phenotype
space
TCN
using
graph
neural
network
model
without
intermediate
clustering
embeddings.
By
leveraging
pooling,
enables
de
novo
condition-specific
predictive
TCNs
under
supervision
sample
labels.
Using
several
types
omics
data,
we
demonstrate
that
can
identify
variable
sizes
with
substantial
improvement
over
existing
methods.
analyzing
risk-stratified
colorectal
breast
cancer
revealed
new
granulocyte-enriched
cancer-associated
fibroblast-enriched
specific
high-risk
tumors
altered
interactions
between
neoplastic
immune
or
stromal
within
TCNs.
perform
unsupervised
supervised
analyses
maps
enable
discovery
cell–cell
communication
patterns
across
scales.
Journal of Hematology & Oncology,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: March 18, 2022
Abstract
Research
on
tumor
immunotherapy
has
made
tremendous
progress
in
the
past
decades,
with
numerous
studies
entering
clinical
evaluation.
The
cancer
vaccine
is
considered
a
promising
therapeutic
strategy
of
solid
tumors.
Cancer
stimulates
anti-tumor
immunity
antigens,
which
could
be
delivered
form
whole
cells,
peptides,
nucleic
acids,
etc
.
Ideal
vaccines
overcome
immune
suppression
tumors
and
induce
both
humoral
cellular
immunity.
In
this
review,
we
introduced
working
mechanism
summarized
four
platforms
for
development.
We
also
highlighted
research
vaccines,
especially
focusing
their
application
efficacy,
might
hopefully
facilitate
future
design
vaccine.
Medicinal Research Reviews,
Journal Year:
2020,
Volume and Issue:
41(3), P. 1474 - 1498
Published: Dec. 4, 2020
Abstract
Advances
in
immunotherapy
have
led
to
durable
and
long‐term
benefits
a
subset
of
patients
across
number
solid
tumor
types.
Understanding
the
subsets
that
respond
immune
checkpoint
inhibitors
at
cellular
level,
context
their
microenvironment
(TME)
is
becoming
increasingly
important.
The
TME
composed
heterogeneous
milieu
cells.
landscape
can
inhibit
or
promote
initiation
progression;
thus,
deeper
understanding
immunity
necessary
develop
immunotherapeutic
strategies.
Recent
developments
focused
on
characterizing
contexture
(type,
density,
function)
discover
mechanisms
biomarkers
may
predict
treatment
outcomes.
This
has,
part,
been
powered
by
advancements
spatial
characterization
technologies.
In
this
review
article,
we
address
role
specific
cells
within
various
stages
progression
how
determinants
affecting
growth
are
used
therapeutically.
Frontiers in Immunology,
Journal Year:
2021,
Volume and Issue:
12
Published: May 3, 2021
Current
success
of
immunotherapy
in
cancer
has
drawn
attention
to
the
subsets
T
H
cells
tumor
which
are
critical
for
activation
anti-tumor
response
either
directly
by
themselves
or
stimulating
cytotoxic
cell
activity.
However,
presence
immunosuppressive
pro-tumorigenic
milieu
further
contributes
complexity
regulation
cell-mediated
immune
response.
In
this
review,
we
present
an
overview
multifaceted
positive
and
negative
effects
cells,
with
emphasis
on
different
subtypes
various
how
a
delicate
balance
contradictory
signals
can
influence
overall
immunotherapy.
We
focus
regulatory
network
that
encompasses
dendritic
cell-induced
CD4
+
1
subsequent
priming
CD8
along
intersecting
anti-inflammatory
2
discuss
other
infiltrating
such
as
immunostimulatory
9
fh
reg
duality
17
function
contribute
tip
anti-
vs
responses
tumor.
highlight
developing
knowledge
against
neoantigens/oncodrivers,
impact
current
strategies
immunity,
opposing
action
be
explored
amplify
patients.
Understanding
nuances
molecular
framework
undergirding
balancing
act
between
is
rational
designing
immunotherapies
bypass
therapeutic
escape
maximize
potential
Cancer Immunology Research,
Journal Year:
2021,
Volume and Issue:
10(2), P. 146 - 153
Published: Dec. 22, 2021
Anti-PD-1/PD-L1
immune
checkpoint
blockade
(ICB)
therapy
has
revolutionized
the
treatment
of
many
types
cancer
over
past
decade.
The
initial
therapeutic
hypothesis
underlying
mechanism
anti-PD-1/PD-L1
ICB
was
built
around
premise
that
it
acts
locally
in
tumor,
reversing
exhaustion
PD-1hiCD8+
T
cells
by
"releasing
brakes."
However,
recent
studies
have
provided
unprecedented
insight
into
complexity
within
CD8+
T-cell
pool
tumor
microenvironment
(TME).
Single-cell
RNA
sequencing
and
epigenetic
profiling
identified
novel
cell
surface
markers,
revealing
heterogeneity
states
classified
as
unique.
Moreover,
these
highlighted
following
ICB,
outside
TME
possess
a
differential
capacity
to
respond,
mobilize
TME,
seed
an
effective
antitumor
response.
In
aggregate,
developments
led
reevaluation
our
understanding
both
mechanisms
sites
action
therapy.
Here,
we
discuss
evidence
for
reversibility
after
its
implication
further
development
immunotherapy.
Clinical Cancer Research,
Journal Year:
2021,
Volume and Issue:
27(21), P. 5742 - 5752
Published: June 14, 2021
Abstract
In
chronic
infections
and
in
cancer,
persistent
antigen
stimulation
under
suboptimal
conditions
can
lead
to
the
induction
of
T-cell
exhaustion.
Exhausted
T
cells
are
characterized
by
an
increased
expression
inhibitory
markers
a
progressive
hierarchical
loss
function.
Although
cancer-induced
exhaustion
CD8
has
been
well-characterized
identified
as
therapeutic
target
(i.e.,
via
checkpoint
inhibition),
in-depth
analyses
other
immune
cell
types,
including
CD4
cells,
is
wanting.
While
perhaps
attributable
contextual
discovery
amidst
viral
infection,
lack
thorough
inquiry
into
particularly
surprising
given
their
important
role
orchestrating
responses
through
T-helper
direct
cytotoxic
functions.
Current
work
suggests
that
may
indeed
be
prevalent,
have
implicated
various
disease
pathologies,
such
likely
clinically
relevant.
Defining
phenotypic
subsets
how
it
influences
severity
will
crucial
understanding
collective
dysfunction
variety
pathologies.
this
review,
we
discuss
mechanistic
clinical
evidence
for
cancer.
Further
insight
derivation
manifestation
exhaustive
processes
could
reveal
novel
targets
abrogate
cancer
induce
robust
antitumor
response.
Cancers,
Journal Year:
2022,
Volume and Issue:
14(7), P. 1681 - 1681
Published: March 25, 2022
Our
body
is
constantly
exposed
to
pathogens
or
external
threats,
but
with
the
immune
response
that
our
can
develop,
we
fight
off
and
defeat
possible
attacks
infections.
Nevertheless,
sometimes
this
threat
comes
from
an
internal
factor.
Situations
such
as
existence
of
a
tumour
also
cause
system
(IS)
be
put
on
alert.
Indeed,
link
between
immunology
cancer
evident
these
days,
IS
being
used
one
important
targets
for
treating
cancer.
able
eliminate
those
abnormal
damaged
cells
found
in
body,
preventing
uncontrolled
proliferation
lead
However,
several
cases,
escape
IS.
It
has
been
observed
cells,
extracellular
matrix,
blood
vessels,
fat
various
molecules
could
support
growth
development.
Thus,
developing
receives
structural
support,
irrigation
energy,
among
other
resources,
making
its
survival
progression
possible.
All
components
accompany
help
survive
grow
are
called
microenvironment
(TME).
Given
importance
presence
development
process,
review
will
focus
TME:
cells.
Immune
anti-tumour
protecting
us
against
cells;
nevertheless,
they
behave
pro-tumoural
thus
promoting
survival.
In
review,
pro-tumour
immunity
discussed.
addition,
TME
influence
dual
effect
analysed.