Cell Death and Disease,
Journal Year:
2024,
Volume and Issue:
15(7)
Published: July 10, 2024
Pancreatic
ductal
adenocarcinoma
(PDAC)
is
a
lethal
disease
with
limited
treatment
methods.
Long
non-coding
RNAs
(lncRNAs)
have
been
found
involved
in
tumorigenic
and
progression.
The
present
study
revealed
that
LINC01133,
fewly
reported
lncRNA,
was
one
of
16
hub
genes
could
predict
PDAC
patients'
prognosis.
LINC01133
over-expressed
tumors
compared
to
adjacent
pancreas
promote
proliferation
metastasis
vitro
vivo,
as
well
inhibit
apoptosis.
expression
positively
correlated
secreted
phosphoprotein
1
(SPP1)
expression,
leading
an
enhanced
epithelial-mesenchymal
transition
(EMT)
process.
bound
actin-related
protein
3
(Arp3),
the
complex
reduced
SPP1
mRNA
degradation
which
increased
level,
ultimately
proliferation.
This
research
novel
mechanism
development
provided
potential
prognosis
indicator
may
benefit
patients.
Cell Discovery,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: March 13, 2023
Precancerous
lesions
of
the
oral
mucosa,
especially
those
accompanied
by
moderate
to
severe
dysplasia,
contribute
initiation
squamous
cell
carcinoma
(OSCC).
However,
cellular
compositions
and
spatial
organization
precancerous
stage
how
these
factors
promote
human
OSCC
remain
unclear.
Here,
we
built
a
single-cell
transcriptome
atlas
map
after
obtaining
data
from
pairwise
mucosal
biopsies
9
individuals
consisting
very
early-stage
OSCC,
adjacent
with
as
well
matched
normal
region.
An
altered
epithelial
gene-expression
profile
was
identified
which
favored
initiation.
This
observation
coupled
distinct
fibroblast,
monocytic,
regulatory
T-cell
subclusters
involved
in
reshaping
microenvironment.
In
particular,
unique
immune-inhibitory
monocyte
subtype
spatial-switching
regulation
VEGF
signaling
were
observed
surrounding
lesions,
concertedly
strengthening
activities
promoting
cancer
Collectively,
our
work
elucidated
landscapes
roles
underlying
initiation,
is
essential
for
understanding
entire
process
helps
inform
therapeutic
strategies
intervention.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(31)
Published: Sept. 24, 2023
Bladder
carcinoma
(BC)
recurrence
is
a
major
clinical
challenge,
and
targeting
the
tumor
microenvironment
(TME)
promising
therapy.
However,
relationship
between
individual
TME
components,
particularly
cancer-associated
fibroblasts
(CAFs),
unclear.
Here,
heterogeneity
in
primary
recurrent
BC
investigated
using
single-cell
RNA
sequence
profiling
of
62
460
cells.
Two
cancer
stem
cell
(CSC)
subtypes
are
identified
BC.
An
inflammatory
CAF
subtype,
ICAM1+
iCAFs,
specifically
associated
with
also
identified.
iCAFs
found
to
secrete
FGF2,
which
acts
on
CD44
receptor
rCSC-M,
thereby
maintaining
stemness
epithelial-mesenchymal
transition.
Additionally,
THBS1+
monocytes,
group
myeloid-derived
suppressor
cells
(MDSCs),
enriched
interacted
CAFs.
CCL2,
binds
CCR2
MDSCs.
Moreover,
elevated
STAT3,
NFKB2,
VEGFA,
CTGF
levels
reshape
tumors.
CCL2
inhibition
an
situ
mouse
model
suppressed
growth,
decreased
MDSCs
Tregs,
fostered
immune
suppression.
The
study
results
highlight
role
cell-cell
crosstalk
during
identification
pivotal
signaling
factors
driving
relapse
for
development
novel
therapies.
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.
International Journal of Biological Sciences,
Journal Year:
2024,
Volume and Issue:
20(9), P. 3372 - 3392
Published: Jan. 1, 2024
Oral
squamous
cell
carcinoma
(OSCC)
is
an
aggressive
cancer
that
poses
a
substantial
threat
to
human
life
and
quality
of
globally.
Lipid
metabolism
reprogramming
significantly
influences
tumor
development,
affecting
not
only
cells
but
also
tumor-associated
macrophages
(TAMs)
infiltration.
Journal of Nanobiotechnology,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Nov. 15, 2023
The
implementation
of
pyroptosis
exhibits
significant
potential
as
a
tactic
to
enhance
tumor
immune
microenvironments.
Previous
applications
inducers
have
encountered
various
limitations,
such
the
development
drug
resistance,
manifestation
toxic
side
effects,
and
deficiency
in
targeting
capabilities.
As
result,
there
is
growing
demand
for
therapeutic
molecules
that
can
overcome
these
obstacles.
Therefore,
objective
this
study
develop
multifunctional
nanospheres
addresses
challenges
by
enabling
high-precision
cells
inducing
effective
pyroptosis.We
prepared
mannose-modified
MOF
called
mannose-doped
Fe3O4@NH2-MIL-100
(M-FNM).
M-FNM
could
enter
CAL27
through
MR-mediated
endocytosis,
which
caused
increase
level
intracellular
ROS.
This
subsequently
triggered
ER
stress
activated
PERK-eIF2α-ATF4-CHOP
signaling
pathway.
CHOP
then
mediated
downstream
cascade
Caspase-1,
pyroptosis.
In
vivo
experiments,
demonstrated
excellent
ability
exhibited
anti-tumor
effects.
Additionally,
reshaped
microenvironment
promoting
infiltration
cells,
primarily
T
lymphocytes.M-FNM
significantly
decreased
growth.
novel
approach
induce
using
may
offer
new
avenues
immunotherapies
against
cancer.
Cancer Communications,
Journal Year:
2024,
Volume and Issue:
44(11), P. 1261 - 1286
Published: Sept. 2, 2024
Abstract
Background
Tumor
metastasis
is
a
major
threat
to
cancer
patient
survival.
The
organ‐specific
niche
plays
pivotal
role
in
tumor
organotropic
metastasis.
Fibroblasts
serve
as
vital
component
of
the
metastatic
microenvironment,
but
how
heterogeneous
metastasis‐associated
fibroblasts
(MAFs)
promote
poorly
characterized.
Here,
we
aimed
decipher
heterogeneity
MAFs
and
elucidate
distinct
roles
these
pulmonary
formation
breast
cancer.
Methods
Mouse
models
were
established
using
an
vivo
selection
method
repeated
injections
cells
purified
from
mouse
lung.
Single‐cell
RNA‐sequencing
(scRNA‐seq)
was
employed
investigate
MAFs.
Transgenic
mice
used
examine
contribution
tryptophan
2,3‐dioxygenase‐positive
matrix
(TDO2
+
MFs)
lung
Results
We
uncovered
3
subtypes
their
transcriptome
profiles
changed
dynamically
evolved.
As
predominant
subtype,
MFs
exclusively
marked
by
platelet‐derived
growth
factor
receptor
alpha
(PDGFRA)
mainly
located
on
edge
metastasis,
T
enriched
around
MFs.
Notably,
high
MF
signatures
significantly
associated
with
poor
survival
patients.
Lung
metastases
markedly
diminished,
suppression
dramatically
attenuated
MF‐depleted
experimental
models.
found
that
TDO2
controlled
producing
kynurenine
(KYN),
which
upregulated
ferritin
heavy
chain
1
(FTH1)
level
disseminated
(DTCs),
enabling
DTCs
resist
ferroptosis.
Moreover,
MF‐secreted
chemokines
C‐C
motif
chemokine
ligand
8
(CCL8)
11
(CCL11)
recruited
cells.
MF‐derived
KYN
induced
cell
dysfunction.
Conditional
knockout
Tdo2
diminished
enhanced
immune
activation.
Conclusions
Our
study
reveals
crucial
promoting
DTCs’
evasion
niche.
It
suggests
targeting
metabolism
lung‐specific
stromal
may
be
effective
treatment
strategy
for
patients