Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 4, 2025
Cancer-associated
fibroblasts
(CAF)
play
a
crucial
role
in
tumor
progression
and
immune
regulation.
However,
the
functional
heterogeneity
of
CAFs
remains
unclear.
Here,
we
identify
antigen-presenting
(apCAF),
characterized
by
high
MHC
II
expression,
gastric
cancer
(GC)
tumors
find
that
apCAFs
are
preferentially
located
near
tertiary
lymphoid
structures.
Both
vivo
vitro
experiments
demonstrate
promote
T
cell
activation
enhances
its
cytotoxic
proliferative
capacities,
thereby
strengthening
cell-mediated
anti-tumor
immunity.
Additionally,
facilitate
polarization
macrophages
toward
pro-inflammatory
phenotype.
These
polarized
macrophages,
turn,
formation
apCAFs,
creating
positive
feedback
loop
amplifies
responses.
Notably,
baseline
immunotherapy
responders
across
various
types
exhibit
higher
levels
infiltration.
This
study
advances
understanding
GC
highlights
as
potential
biomarker
for
predicting
response
pan-cancer.
Cancer Drug Resistance,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Cancer-associated
fibroblasts
(CAFs)
constitute
a
critical
component
of
the
tumor
microenvironment
(TME).
CAFs
can
be
reprogrammed
by
cancer
cells,
leading
to
production
extracellular
vesicles
(EVs).
These
EVs
serve
as
carriers
for
bioactive
substances,
including
proteins,
nucleic
acids,
and
metabolic
products,
thereby
facilitating
progression.
CAF-derived
exert
substantial
influence
on
cell
proliferation,
invasion,
metastasis,
immunological
environment,
processes
lymphangiogenesis
angiogenesis.
Despite
their
potential
non-invasive
biomarkers
therapeutic
delivery
vehicles,
clinical
application
is
currently
limited
challenges
in
purification
precise
targeting.
This
review
delineates
diverse
roles
growth,
immune
evasion
within
TME.
Biomarker Research,
Journal Year:
2025,
Volume and Issue:
13(1)
Published: Jan. 23, 2025
The
tumor
microenvironment
functions
as
a
dynamic
and
intricate
ecosystem,
comprising
diverse
array
of
cellular
non-cellular
components
that
precisely
orchestrate
pivotal
behaviors,
including
invasion,
metastasis,
drug
resistance.
While
unraveling
the
interplay
between
behaviors
represents
tremendous
challenge,
recent
research
illuminates
crucial
biological
phenomenon
known
mechanotransduction.
Within
microenvironment,
mechanical
cues
like
tensile
stress,
shear
stiffness
play
role
by
activating
mechanosensitive
effectors
such
PIEZO
proteins,
integrins,
Yes-associated
protein.
This
activation
initiates
cascades
intrinsic
signaling
pathways,
effectively
linking
physical
properties
tissues
to
their
physiological
pathophysiological
processes
morphogenesis,
regeneration,
immunity.
mechanistic
insight
offers
novel
perspective
on
how
within
impact
behaviors.
intricacies
are
yet
be
fully
elucidated,
it
exhibits
distinct
attributes
from
non-malignant
tissues,
elevated
solid
stresses,
interstitial
hypertension,
augmented
matrix
stiffness,
enhanced
viscoelasticity.
These
traits
exert
notable
influences
progression
treatment
responses,
enriching
our
comprehension
multifaceted
nature
microenvironment.
Through
this
innovative
review,
we
aim
provide
new
lens
decipher
contexts,
broadening
knowledge
these
factors
promote
or
inhibit
thus
offering
valuable
insights
identify
potential
targets
for
anti-tumor
strategies.
Abstract
Background
Recent
studies
have
illuminated
the
complexities
of
treating
advanced
bladder
cancer
(BCa),
underscoring
importance
comprehending
its
molecular
mechanisms
for
creating
novel
therapies.
While
role
Karyopherin
a2
(
KPNA2
)
in
promoting
BCa
growth
is
established,
precise
mechanism
remains
elusive.
Methods
To
investigate
regulatory
BCa,
we
employed
a
comprehensive
approach
integrating
clinical
case
data
and
bioinformatics
analysis
to
evaluate
expression
tissues.
Mechanisms
by
were
examined
using
both
vivo
vitro
models.
Results
Our
research
reveals
that
miR-26b-5p
acts
as
an
anticancer
factor
targeting
inhibiting
expression.
Furthermore,
observed
interaction
between
Kinesin
Family
Member
C1
KIFC1
facilitates
transition
cells
into
G2/M
phase,
thereby
tumor
advancement
via
activation
Phosphoinositide
3-kinase
(PI3K)-
Protein
Kinase
B
(AKT)
pathway.
Importantly,
this
investigation
first
identify
exosomes
originating
from
Plasma
patients
with
exhibited
notably
increased
levels
compared
healthy
controls,
suggesting
potential
new
indicator.
Additionally,
triggered
conversion
fibroblasts
cancer-associated
(CAFs),
which
secreted
elevated
interleukin-6
(IL-6),
contributing
tumor-supporting
environment.
Conclusions
These
findings
suggest
key
gene
promotes
progression,
can
potentially
be
marker,
may
serve
therapeutic
target
BCa.
Graphical
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 5, 2023
Abstract
Cutaneous
squamous
cell
carcinoma
(cSCC)
is
a
serious
public
health
problem
due
to
its
high
incidence
and
metastatic
potential.
It
may
progress
from
actinic
keratosis
(AK),
precancerous
lesion,
or
the
in
situ
carcinoma,
Bowen’s
disease
(BD).
During
this
progression,
malignant
keratinocytes
activate
dermal
fibroblasts
into
tumor
promoting
cancer-associated
(CAFs),
whose
origin
emergence
remain
largely
unknown.
Here,
we
generate
analyze
>115,000
single-cell
transcriptomes
healthy
skin,
BD
cSCC
of
male
donors.
Our
results
reveal
immunoregulatory
matrix-remodeling
CAF
subtypes
that
derive
pro-inflammatory
mesenchymal
fibroblasts,
respectively.
These
are
absent
AK
interact
with
different
types
establish
pro-tumorigenic
microenvironment.
findings
cSCC-specific
could
not
be
recapitulated
basal
carcinomas.
study
provides
important
insights
potential
functionalities
CAFs
will
highly
beneficial
for
specific
targeting
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(17), P. 13482 - 13482
Published: Aug. 30, 2023
The
tumor
microenvironment
comprises
multiple
cell
types,
like
cancer
cells,
endothelial
fibroblasts,
and
immune
cells.
In
recent
years,
there
have
been
massive
research
efforts
focusing
not
only
on
but
also
other
types
of
the
microenvironment,
thereby
aiming
to
expand
determine
novel
treatment
options.
Fibroblasts
represent
a
heterogenous
family
consisting
numerous
subtypes,
which
can
alter
fractions,
facilitate
or
inhibit
growth,
build
pre-metastatic
niches,
stabilize
vessels.
These
effects
be
achieved
through
cell–cell
interactions,
form
extracellular
matrix,
via
secretion
cytokines
chemokines.
pro-
antitumorigenic
fibroblast
phenotypes
show
variability
among
different
entities,
intraindividual
sites,
including
primary
tumors
metastatic
lesions.
Commonly
prescribed
for
arterial
hypertension,
inhibitors
renin–angiotensin
system
recently
described
as
having
an
inhibitory
effect
fibroblasts.
This
inhibition
leads
modified
fractions
increased
tissue
stiffness,
contributing
overcoming
therapy
resistance
ultimately
inhibiting
growth.
However,
it
is
important
note
that
fibroblasts
opposite
effect,
potentially
resulting
in
We
aim
summarize
latest
state
regarding
heterogeneity
its
intricate
impact
matrix.
Specifically,
we
focus
highlighting
advancements
comprehension
options
within
this
context.