Frontiers in Immunology,
Journal Year:
2021,
Volume and Issue:
12
Published: July 20, 2021
A
paradigm
shift
in
the
understanding
of
exhausted
CD8
+
T
cell
(T
ex
)
lineage
is
underway.
Originally
thought
to
be
a
uniform
population
that
progressively
loses
effector
function
response
persistent
antigen,
single-cell
analysis
has
now
revealed
composed
multiple
interconnected
subpopulations.
The
heterogeneity
within
comprised
immune
checkpoint
blockade
(ICB)
permissive
and
refractory
subsets
termed
stem-like
terminally
differentiated
cells,
respectively.
These
populations
occupy
distinct
peripheral
intratumoral
niches
are
characterized
by
transcriptional
processes
govern
transitions
between
states.
This
review
presents
key
findings
field
construct
an
updated
view
spatial,
transcriptional,
functional
anti-tumoral
.
emerging
insights
broadly
call
for
(re-)focusing
cancer
immunotherapies
center
on
driver
mechanism(s)
underlying
developmental
continuum
aimed
at
stabilizing
subsets.
Signal Transduction and Targeted Therapy,
Journal Year:
2021,
Volume and Issue:
6(1)
Published: July 12, 2021
Abstract
Cancer
development
and
its
response
to
therapy
are
regulated
by
inflammation,
which
either
promotes
or
suppresses
tumor
progression,
potentially
displaying
opposing
effects
on
therapeutic
outcomes.
Chronic
inflammation
facilitates
progression
treatment
resistance,
whereas
induction
of
acute
inflammatory
reactions
often
stimulates
the
maturation
dendritic
cells
(DCs)
antigen
presentation,
leading
anti-tumor
immune
responses.
In
addition,
multiple
signaling
pathways,
such
as
nuclear
factor
kappa
B
(NF-kB),
Janus
kinase/signal
transducers
activators
transcription
(JAK-STAT),
toll-like
receptor
(TLR)
cGAS/STING,
mitogen-activated
protein
kinase
(MAPK);
factors,
including
cytokines
(e.g.,
interleukin
(IL),
interferon
(IFN),
necrosis
(TNF)-α),
chemokines
C-C
motif
chemokine
ligands
(CCLs)
C-X-C
(CXCLs)),
growth
factors
vascular
endothelial
(VEGF),
transforming
(TGF)-β),
inflammasome;
well
metabolites
prostaglandins,
leukotrienes,
thromboxane,
specialized
proresolving
mediators
(SPM),
have
been
identified
pivotal
regulators
initiation
resolution
inflammation.
Nowadays,
local
irradiation,
recombinant
cytokines,
neutralizing
antibodies,
small-molecule
inhibitors,
DC
vaccines,
oncolytic
viruses,
TLR
agonists,
SPM
developed
specifically
modulate
in
cancer
therapy,
with
some
these
already
undergoing
clinical
trials.
Herein,
we
discuss
crosstalk
between
processes.
We
also
highlight
potential
targets
for
harnessing
cancer.
Molecular Cancer,
Journal Year:
2021,
Volume and Issue:
20(1)
Published: Oct. 11, 2021
Abstract
Cancer-associated
fibroblasts
(CAFs),
a
stromal
cell
population
with
cell-of-origin,
phenotypic
and
functional
heterogeneity,
are
the
most
essential
components
of
tumor
microenvironment
(TME).
Through
multiple
pathways,
activated
CAFs
can
promote
growth,
angiogenesis,
invasion
metastasis,
along
extracellular
matrix
(ECM)
remodeling
even
chemoresistance.
Numerous
previous
studies
have
confirmed
critical
role
interaction
between
cells
in
tumorigenesis
development.
However,
recently,
mutual
effects
immune
(TIME)
been
identified
as
another
key
factor
promoting
progression.
The
TIME
mainly
consists
distinct
populations
islets
is
highly
associated
antitumor
immunological
state
TME.
interact
tumor-infiltrating
well
other
within
via
secretion
various
cytokines,
growth
factors,
chemokines,
exosomes
effector
molecules,
consequently
shaping
an
immunosuppressive
TME
that
enables
cancer
to
evade
surveillance
system.
In-depth
interactions,
particularly
complicated
mechanisms
connecting
cells,
might
provide
novel
strategies
for
subsequent
targeted
immunotherapies.
Herein,
we
shed
light
on
recent
advances
regarding
direct
indirect
crosstalk
infiltrating
further
summarize
possible
immunoinhibitory
induced
by
In
addition,
present
current
related
CAF-targeting
immunotherapies
briefly
describe
some
future
perspectives
CAF
research
end.
Journal of Cellular Physiology,
Journal Year:
2018,
Volume and Issue:
234(6), P. 8509 - 8521
Published: Nov. 22, 2018
CD8+
cytotoxic
T
lymphocytes
(CTLs)
are
preferred
immune
cells
for
targeting
cancer.
During
cancer
progression,
CTLs
encounter
dysfunction
and
exhaustion
due
to
immunerelated
tolerance
immunosuppression
within
the
tumor
microenvironment
(TME),
with
all
favor
adaptive
immune-resistance.
Cancer-associated
fibroblasts
(CAFs),
macrophage
type
2
(M2)
cells,
regulatory
(Tregs)
could
make
immunologic
barriers
against
CD8
+
cell-mediated
antitumor
responses.
Thus,
needed
be
primed
activated
toward
effector
in
a
process
called
immunity
cycle
making
durable
efficient
The
cell
priming
is
directed
essentially
as
corroboration
work
between
of
innate
including
dendritic
(DCs)
natural
killer
(NK)
CD4
adoptive
immunity.
Upon
activation,
infiltrate
core
or
invading
site
(so-called
infiltrated-inflamed
[I-I]
TME)
take
essential
roles
killing
cells.
Exogenous
reactivation
and/or
can
possible
using
rational
immunotherapy
strategies.
increase
ratio
costimulatory
coinhibitory
mediators
checkpoint
blockade
(ICB)
approach.
Programmed
death-1
receptor
(PD-1)-ligand
(PD-L1)
CTL-associated
antigen
4
(CTLA-4)
receptors
that
targeted
relieving
renewing
their
priming,
respectively,
thereby
eliminating
antigen-expressing
Due
diverse
relation
Tregs,
Treg
activity
dampened
increasing
number
rescuing
functional
potential
induce
immunosensitivity
British Journal of Cancer,
Journal Year:
2020,
Volume and Issue:
124(2), P. 359 - 367
Published: Sept. 15, 2020
Abstract
The
functions
of,
and
interactions
between,
the
innate
adaptive
immune
systems
are
vital
for
anticancer
immunity.
Cytotoxic
T
cells
expressing
cell-surface
CD8
most
powerful
effectors
in
response
form
backbone
of
current
successful
cancer
immunotherapies.
Immune-checkpoint
inhibitors
designed
to
target
immune-inhibitory
receptors
that
function
regulate
response,
whereas
adoptive
cell-transfer
therapies
use
+
with
genetically
modified
receptors—chimaeric
antigen
receptors—to
specify
enhance
T-cell
functionality.
New
generations
cytotoxic
or
synthetic
being
developed
evaluated
clinical
trials.
Furthermore,
combinatory
regimens
might
optimise
treatment
effects
reduce
adverse
events.
This
review
summarises
advances
research
on
prominent
immunotherapy,
cells,
discusses
possible
implications
future
treatment.
Science,
Journal Year:
2021,
Volume and Issue:
374(6574)
Published: Dec. 16, 2021
T
cells
play
a
central
role
in
cancer
immunotherapy,
but
we
lack
systematic
comparison
of
the
heterogeneity
and
dynamics
tumor-infiltrating
across
types.
We
built
single-cell
RNA-sequencing
pan-cancer
atlas
for
316
donors
21
types
revealed
distinct
cell
composition
patterns.
found
multiple
state-transition
paths
exhaustion
CD8+
preference
those
among
different
tumor
Certain
populations
showed
specific
correlation
with
patient
properties
such
as
mutation
burden,
shedding
light
on
possible
determinants
microenvironment.
compositions
within
tumors
alone
could
classify
patients
into
groups
clinical
trait
specificity,
providing
new
insights
immunity
precision
immunotherapy
targeting
cells.