iScience,
Год журнала:
2025,
Номер
28(4), С. 112150 - 112150
Опубликована: Март 4, 2025
Acute
myeloid
leukemia
(AML)
remains
challenging
to
cure.
In
addition
mutations
that
alter
cell
functioning,
biophysical
properties
are
modulated
by
external
cues.
particular,
membrane
proteins
interact
with
the
bone
marrow
niche
can
induce
cellular
changes.
Here,
we
develop
an
atomic
force
microscopy
(AFM)
approach
measure
non-adherent
AML
mechanical
properties.
The
Young's
modulus
of
line,
THP-1,
increased
in
response
retronectin,
whereas
knock-out
adhesion
protein
ITGB1
resulted
no
retronectin.
Confocal
revealed
different
actin
cytoskeleton
morphologies
for
wild-type
and
cells
exposed
These
results
indicate
mediates
stimuli-induced
mechanoresponses
through
cytoskeletal
We
next
used
AFM
investigate
elastic
primary
found
more
committed
had
lower
moduli
than
immature
AMLs.
Overall,
this
provides
a
platform
investigating
molecular
mechanisms
involved
leukemic
mechanoresponse.
npj Biological Physics and Mechanics.,
Год журнала:
2025,
Номер
2(1)
Опубликована: Фев. 4, 2025
Abstract
The
cancer
metastatic
cascade
includes
a
series
of
mechanical
barrier-crossing
events,
involving
the
physical
movement
cells
from
their
primary
location
to
distant
organ.
This
review
describes
changes
that
influence
tumour
proliferation,
progression,
and
metastasis.
We
identify
potential
signatures
at
every
step
discuss
some
latest
mechanobiology-based
therapeutic
interventions
highlight
importance
interdisciplinary
approaches
in
diagnosis
treatment.
Understanding
cancer
metastasis
is
crucial
for
advancing
therapeutic
strategies
and
improving
clinical
outcomes.
Cancer
cells
face
dynamic
changes
in
their
mechanical
microenvironment
that
occur
on
timescales
ranging
from
minutes
to
years
exhibit
a
spectrum
of
cellular
transformations
response
these
cues.
A
facet
this
adaptive
the
concept
memory,
which
mechanosensitive
cell
behavior
function
persists
even
when
cues
are
altered.
This
review
explores
evolving
landscape
during
metastasis,
emphasizing
significance
memory
its
influence
behavior.
We
then
focus
engineering
techniques
being
utilized
probe
cells.
Finally,
we
highlight
promising
translational
approaches
poised
harness
new
therapies,
thereby
frontiers
bioengineering
applications
research.
Gastroenterology,
Год журнала:
2024,
Номер
167(7), С. 1384 - 1398.e4
Опубликована: Авг. 13, 2024
Peritoneal
metastasis
(PM)
in
gastric
cancer
(GC)
is
associated
with
poor
prognosis
and
significant
morbidity.
We
sought
to
understand
the
genomic,
transcriptomic,
tumor
microenvironment
(TME)
features
that
contribute
peritoneal
organotropism
GC.
Experimental Hematology and Oncology,
Год журнала:
2025,
Номер
14(1)
Опубликована: Янв. 11, 2025
Abstract
Immune
checkpoint
therapies
have
spearheaded
drug
innovation
over
the
last
decade,
propelling
cancer
treatments
toward
a
new
era
of
precision
therapies.
Nonetheless,
challenges
low
response
rates
and
prevalent
resistance
underscore
imperative
for
deeper
understanding
tumor
microenvironment
(TME)
pursuit
novel
targets.
Recent
findings
revealed
profound
impacts
biomechanical
forces
within
on
immune
surveillance
progression
in
both
murine
models
clinical
settings.
Furthermore,
pharmacological
or
genetic
manipulation
mechanical
checkpoints,
such
as
PIEZO1,
DDR1,
YAP/TAZ,
TRPV4,
has
shown
remarkable
potential
activation
eradication
tumors.
In
this
review,
we
delved
into
underlying
mechanisms
resulting
intricate
biological
meaning
TME,
focusing
mainly
extracellular
matrix,
stiffness
cells,
synapses.
We
also
summarized
methodologies
employed
research
translation
derived
from
current
evidence.
This
comprehensive
review
biomechanics
will
enhance
functional
role
provide
basic
knowledge
discovery
therapeutic
Biomarker Research,
Год журнала:
2025,
Номер
13(1)
Опубликована: Янв. 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.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Фев. 14, 2025
The
extracellular
matrix
(ECM)
controls
tumour
dissemination.
We
characterise
ECM
organization
in
human
and
mouse
tumours,
identifying
three
regions:
body,
proximal
invasive
front
distal
front.
Invasive
areas
show
increased
density,
fibre
thickness,
length,
alignment,
with
unique
radial
orientation
at
the
correlating
amoeboid
features.
Using
patient
samples
murine
models,
we
find
that
metastases
recapitulate
features
of
primary
tumour.
Ex
vivo
culture
cancer
cells
isolated
from
different
regions
reveals
a
spatial
cytoskeletal
transcriptional
memory.
Several
vitro
models
organisation
showing
induces
3D
confinement
supporting
Rho-ROCK-Myosin
II
activity,
while
enhances
directional
invasion.
Spatial
transcriptomics
identifies
mechano-inflammatory
program
associated
worse
prognosis
across
multiple
types.
These
findings
provide
mechanistic
insights
into
how
shapes
local
invasion
distant
metastasis.
Interactions
control
tumor
proliferation,
Here,
authors
information
on
it
influences
cell
metastasis
properties
through
induction
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 2, 2024
ABSTRACT
Phenotype
switching
is
a
form
of
cellular
plasticity
in
which
cancer
cells
reversibly
move
between
two
opposite
extremes
-
proliferative
versus
invasive
states.
While
it
has
long
been
hypothesised
that
such
triggered
by
external
cues,
the
identity
these
cues
remained
elusive.
Here,
we
demonstrate
mechanical
confinement
mediates
phenotype
through
chromatin
remodelling.
Using
zebrafish
model
melanoma
coupled
with
human
samples,
profiled
tumor
at
interface
and
surrounding
microenvironment.
Morphological
analysis
rare
showed
flattened,
elliptical
nuclei
suggestive
adjacent
tissue.
Spatial
single-cell
transcriptomics
demonstrated
adopted
gene
program
neuronal
invasion,
including
acquisition
an
acetylated
tubulin
cage
protects
nucleus
during
migration.
We
identified
DNA-bending
protein
HMGB2
as
confinement-induced
mediator
state.
upregulated
confined
cells,
quantitative
modelling
revealed
prolongs
contact
time
chromatin,
leading
to
changes
configuration
favor
phenotype.
Genetic
disruption
regulates
trade-off
states,
high
are
less
but
more
drug
resistant.
Our
results
implicate
microenvironment
mechanism
driving
melanoma.
Desmoplasia
in
breast
cancer
leads
to
heterogeneity
physical
properties
of
the
tissue,
resulting
disparities
drug
delivery
and
treatment
efficacy
among
patients,
thus
contributing
high
disease
mortality.
Personalized
vitro
models
hold
great
promise
for
high-throughput
testing
therapeutic
strategies
normalize
aberrant
microenvironment
a
patient-specific
manner.
Here,
tumoroids
assembled
from
cell
lines
(MCF7,
SKBR3,
MDA-MB-468)
patient-derived
tumor
cells
(TCs)
cultured
microphysiological
systems
including
perfusable
microvasculature
reproduce
key
aspects
stromal
vascular
dysfunction
causing
impaired
delivery.
Models
containing
SKBR3
MDA-MB-468
show
higher
hyaluronic
acid
(HA)
deposition,
permeability,
interstitial
fluid
pressure
(IFP),
degradation
HA
relative
MCF7
or
without
tumoroids.
Interleukin
8
(IL8)
secretion
is
found
responsible
loss
HA.
Interventions
targeting
IL8
perfusion,
IFP,
ultimately
enhance
TC
death
response
perfusion
with
trastuzumab
cetuximab.
Similar
responses
are
observed
models.
These
can
be
personalized
by
using
applied
discover
new
molecular
therapies
normalization
microenvironment.