Oncogene,
Journal Year:
2021,
Volume and Issue:
40(50), P. 6748 - 6758
Published: Oct. 18, 2021
Abstract
Recent
developments
in
immuno-oncology
demonstrate
that
not
only
cancer
cells,
but
also
the
tumor
microenvironment
can
guide
precision
medicine.
A
comprehensive
and
in-depth
characterization
of
is
challenging
since
its
cell
populations
are
diverse
be
important
even
if
scarce.
To
identify
clinically
relevant
microenvironmental
features,
we
applied
single-cell
RNA
sequencing
to
ten
human
lung
adenocarcinomas
normal
control
tissues.
Our
analyses
revealed
heterogeneous
carcinoma
transcriptomes
reflecting
histological
grade
oncogenic
pathway
activities,
two
distinct
patterns.
The
immune-activated
CP²E
was
composed
cancer-associated
myofibroblasts,
proinflammatory
monocyte-derived
macrophages,
plasmacytoid
dendritic
cells
exhausted
CD8+
T
prognostically
unfavorable.
In
contrast,
inert
N³MC
characterized
by
normal-like
non-inflammatory
NK
myeloid
conventional
associated
with
a
favorable
prognosis.
Microenvironmental
marker
genes
signatures
identified
profiles
had
progonostic
value
bulk
profiles.
summary,
profiling
adenocarcinoma
provides
additional
prognostic
information
based
on
microenvironment,
may
help
predict
therapy
response
reveal
possible
target
for
future
therapeutic
approaches.
Journal of Hematology & Oncology,
Journal Year:
2019,
Volume and Issue:
12(1)
Published: Aug. 28, 2019
Among
all
the
stromal
cells
that
present
in
tumor
microenvironment,
cancer-associated
fibroblasts
(CAFs)
are
one
of
most
abundant
and
critical
components
mesenchyme,
which
not
only
provide
physical
support
for
but
also
play
a
key
role
promoting
retarding
tumorigenesis
context-dependent
manner.
CAFs
have
been
involved
modulation
many
immune
system,
recent
studies
revealed
their
roles
evasion
poor
responses
to
cancer
immunotherapy.
In
this
review,
we
describe
our
current
understanding
tumorigenic
significance,
origin,
heterogeneity
CAFs,
as
well
different
subtypes
distinct
cell
types.
More
importantly,
highlight
potential
therapeutic
strategies
target
unleash
system
against
tumor.
Cancer Research,
Journal Year:
2019,
Volume and Issue:
79(12), P. 3011 - 3027
Published: May 3, 2019
Abstract
Metastasis
is
the
primary
cause
of
cancer
morbidity
and
mortality.
The
process
involves
a
complex
interplay
between
intrinsic
tumor
cell
properties
as
well
interactions
cells
multiple
microenvironments.
outcome
development
nearby
or
distant
discontiguous
secondary
mass.
To
successfully
disseminate,
metastatic
acquire
in
addition
to
those
necessary
become
neoplastic.
Heterogeneity
mechanisms
involved,
routes
dissemination,
redundancy
molecular
pathways
that
can
be
utilized,
ability
piggyback
on
actions
surrounding
stromal
makes
defining
hallmarks
metastasis
extraordinarily
challenging.
Nonetheless,
this
review
identifies
four
distinguishing
features
are
required:
motility
invasion,
modulate
site
local
microenvironments,
plasticity,
colonize
tissues.
By
these
first
principles
metastasis,
we
provide
means
for
focusing
efforts
aspects
will
improve
patient
outcomes.
Cell,
Journal Year:
2021,
Volume and Issue:
184(22), P. 5577 - 5592.e18
Published: Oct. 1, 2021
Intratumoral
heterogeneity
is
a
critical
frontier
in
understanding
how
the
tumor
microenvironment
(TME)
propels
malignant
progression.
Here,
we
deconvolute
human
pancreatic
TME
through
large-scale
integration
of
histology-guided
regional
multiOMICs
with
clinical
data
and
patient-derived
preclinical
models.
We
discover
"subTMEs,"
histologically
definable
tissue
states
anchored
fibroblast
plasticity,
relationships
to
immunity,
subtypes,
differentiation,
treatment
response.
"Reactive"
subTMEs
rich
complex
but
functionally
coordinated
communities
were
immune
hot
inhabited
by
aggressive
cell
phenotypes.
The
matrix-rich
"deserted"
harbored
fewer
activated
fibroblasts
tumor-suppressive
features
yet
markedly
chemoprotective
enriched
upon
chemotherapy.
SubTMEs
originated
differentiation
trajectories,
transitory
notable
both
single-cell
transcriptomics
situ.
intratumoral
co-occurrence
produced
patient-specific
phenotypic
computationally
predictable
tightly
linked
biology.
Therefore,
within
plentiful,
notorious
not
random
marks
fundamental
organizational
units.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Feb. 5, 2024
Abstract
Extracellular
vesicles
(EVs)
are
nano-sized,
membranous
structures
secreted
into
the
extracellular
space.
They
exhibit
diverse
sizes,
contents,
and
surface
markers
ubiquitously
released
from
cells
under
normal
pathological
conditions.
Human
serum
is
a
rich
source
of
these
EVs,
though
their
isolation
proteins
non-EV
lipid
particles
poses
challenges.
These
transport
various
cellular
components
such
as
proteins,
mRNAs,
miRNAs,
DNA,
lipids
across
distances,
influencing
numerous
physiological
events,
including
those
within
tumor
microenvironment
(TME).
Their
pivotal
roles
in
communication
make
EVs
promising
candidates
for
therapeutic
agents,
drug
delivery
systems,
disease
biomarkers.
Especially
cancer
diagnostics,
EV
detection
can
pave
way
early
identification
offers
potential
diagnostic
Moreover,
subtypes
emerging
targeted
tools,
highlighting
clinical
significance.
The
need
non-invasive
biomarkers
to
monitor
biological
processes
purposes
remains
unfulfilled.
Tapping
unique
composition
could
unlock
advanced
avenues
future.
In
this
review,
we
discuss
detail
conditions,
cancers
(encompassing
head
neck,
lung,
gastric,
breast,
hepatocellular
carcinoma),
neurodegenerative
disorders,
diabetes,
viral
infections,
autoimmune
renal
diseases,
emphasizing
advancements
molecular
diagnostics
delivery.
Frontiers in Immunology,
Journal Year:
2020,
Volume and Issue:
11
Published: Aug. 12, 2020
Colorectal
cancer(CRC)
patients
have
derived
clinical
benefits
from
immunotherapy,
especially
CRC
with
mismatch
repair
deficiency
(dMMR)/microsatellite
instability-high(MSI-H),
whose
sensitivity
to
immune
checkpoint
inhibitors(ICIs)
is
significantly
higher
than
that
of
microsatellite-stable(MSS)/microsatellite
instability-low(MSI-L).
Most
studies
not
systematically
evaluated
the
characteristics
and
microenvironments
MSI-H
MSS/MSI-L
CRC.
We
analyzed
relationship
between
MSI
status
prognosis
ICIs
treatment
in
an
immunotherapy
cohort.
further
used
mutation
data
for
The
Cancer
Genome
Atlas(TCGA)-CRC[Colon
adenocarcinoma(COAD)+rectum
adenocarcinoma(READ)]
cohorts.
For
mRNA
expression,
analysis
microenvironment
immunogenicity
under
different
was
performed.
Compared
CRC,
benefited
treatment.
found
had
more
cell
infiltration,
expression
immune-related
genes
MSS/MSI-L.
MANTIS
score
predict
positively
correlated
cells,
genes,
immunogenicity.
In
addition,
subtype
showed
COAD
READ
might
microenvironments.
may
inflammatory
tumor
increased
ICIs.
Unlike
those
READ,
be
consistent
Journal of Hematology & Oncology,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: June 3, 2022
Hypoxia,
a
common
feature
of
the
tumor
microenvironment
in
various
types
cancers,
weakens
cytotoxic
T
cell
function
and
causes
recruitment
regulatory
cells,
thereby
reducing
tumoral
immunogenicity.
Studies
have
demonstrated
that
hypoxia
hypoxia-inducible
factors
(HIFs)
1
2
alpha
(HIF1A
HIF2A)
are
involved
immune
escape.
Under
hypoxia,
activation
HIF1A
induces
series
signaling
events,
including
through
programmed
death
receptor-1/programmed
ligand-1.
Moreover,
triggers
shedding
complex
class
I
chain-associated
molecules
nitric
oxide
impairment
to
disrupt
surveillance
by
natural
killer
cells.
The
HIF-1-galactose-3-O-sulfotransferase
1-sulfatide
axis
enhances
escape
via
increased
cell-platelet
binding.
HIF2A
upregulates
stem
factor
expression
recruit
tumor-infiltrating
mast
cells
increase
levels
cytokines
interleukin-10
transforming
growth
factor-β,
resulting
an
immunosuppressive
microenvironment.
Additionally,
tumor-associated
long
noncoding
RNAs
suppresses
function,
enabling
Overall,
elucidating
underlying
mechanisms
which
HIFs
promote
evasion
will
allow
for
targeting
HIF
treatment.
This
review
discusses
current
knowledge
how
facilitate
escape,
with
evidence
date
implicating
as
molecular
target
such
provides
further
insight
into
mechanism
strategies
immunotherapy
suggested.
Cancer Discovery,
Journal Year:
2021,
Volume and Issue:
11(4), P. 971 - 994
Published: April 1, 2021
Abstract
Metastasis
is
initiated
and
sustained
through
therapy
by
cancer
cells
with
stem-like
immune-evasive
properties,
termed
metastasis-initiating
(MIC).
Recent
progress
suggests
that
MICs
result
from
the
adoption
of
a
normal
regenerative
progenitor
phenotype
malignant
cells,
intrinsic
programs
to
survive
stresses
metastatic
process,
undergo
epithelial–mesenchymal
transitions,
enter
slow-cycling
states
for
dormancy,
evade
immune
surveillance,
establish
supportive
interactions
organ-specific
niches,
co-opt
systemic
factors
growth
recurrence
after
therapy.
Mechanistic
understanding
molecular
mediators
MIC
phenotypes
host
tissue
ecosystems
could
yield
therapeutics
improve
patient
outcomes.
Significance:
Understanding
origins,
traits,
vulnerabilities
capacity
initiate
metastasis
in
distant
organs,
microenvironments
support
ability
these
surveillance
regenerate
tumor,
critical
developing
strategies
prevention
treatment
advanced
cancer.
Leveraging
recent
our
here
we
review
nature
their
offer
perspective
on
how
this
knowledge
informing
innovative
treatments
cancers.