Development,
Journal Year:
2021,
Volume and Issue:
148(7)
Published: April 1, 2021
ABSTRACT
Self-organization
is
a
key
feature
of
many
biological
and
developmental
processes,
including
cell
migration.
Although
migration
has
traditionally
been
viewed
as
response
to
extrinsic
signals,
advances
within
the
past
two
decades
have
highlighted
importance
intrinsic
self-organizing
properties
direct
on
multiple
scales.
In
this
Review,
we
will
explore
mechanisms
that
lay
foundation
for
both
single
collective
Based
in
vitro
vivo
examples,
discuss
theoretical
concepts
underlie
persistent
cells
absence
directional
guidance
cues,
formation
an
autonomous
drives
coordinated
Finally,
highlight
general
implications
principles
guiding
medical
research.
Frontiers in Chemistry,
Journal Year:
2021,
Volume and Issue:
9
Published: May 26, 2021
Over
the
decades,
application
of
mechanical
force
to
influence
chemical
reactions
has
been
called
by
various
names:
mechanochemistry,
tribochemistry,
alloying,
name
but
a
few.
The
evolution
these
terms
largely
mirrored
understanding
field.
But
what
is
meant
terms,
why
have
they
evolved,
and
does
it
really
matter
how
process
called?
Which
parameters
should
be
defined
describe
unambiguously
experimental
conditions
such
that
others
can
reproduce
results,
or
allow
meaningful
comparison
between
processes
explored
under
different
conditions?
Can
information
on
encoded
in
clear,
concise,
self-explanatory
way?
We
address
questions
this
Opinion
contribution,
which
we
hope
will
spark
timely
constructive
discussion
across
international
mechanochemical
community.
Physical Review X,
Journal Year:
2024,
Volume and Issue:
14(2)
Published: April 19, 2024
In
recent
years,
nonreciprocally
coupled
systems
have
received
growing
attention.
Previous
work
has
shown
that
the
interplay
of
nonreciprocal
coupling
and
Goldstone
modes
can
drive
emergence
temporal
order
such
as
traveling
waves.
We
show
these
phenomena
are
generically
found
in
a
broad
class
pattern-forming
systems,
including
mass-conserving
reaction-diffusion
viscoelastic
active
gels.
All
share
characteristic
dispersion
relation
acquires
nonzero
imaginary
part
at
edge
band
unstable
exhibit
regime
propagating
structures
(traveling
wave
bands
or
droplets).
models
for
be
mapped
to
common
“normal
form”
seen
spatially
extended
generalization
FitzHugh-Nagumo
model,
providing
unifying
dynamical-systems
perspective.
minimal
Cahn-Hilliard
equations
surprisingly
rich
set
behaviors,
interrupted
coarsening
waves
without
selection
preferred
wavelength
transversal
undulations
fronts
two
dimensions.
their
speed
precisely
predicted
from
interfaces
far
away
homogeneous
steady
state.
Our
work,
thus,
generalizes
previously
studied
phase
transitions
shows
relevant
collective
excitations
governing
dynamical
patterns
conserved
fields.
Published
by
American
Physical
Society
2024
Cell Reports,
Journal Year:
2025,
Volume and Issue:
44(1), P. 115193 - 115193
Published: Jan. 1, 2025
Epithelial
cells
respond
to
infection
with
the
intracellular
bacterial
pathogen
Listeria
monocytogenes
by
altering
their
mechanics
promote
collective
infected
cell
extrusion
(CICE)
and
limit
spread
across
monolayers.
However,
underlying
biochemical
pathways
remain
elusive.
Here,
using
in
vitro
(epithelial
monolayers)
vivo
(zebrafish
larvae)
models
of
L.
or
Shigella
flexneri,
we
explored
role
extracellular-signal-regulated
kinase
(ERK)
activity
waves
coordinating
mechanical
battle
between
surrounder
uninfected
that
leads
CICE.
We
discovered
when
ERK
are
suppressed,
fail
exhibit
alterations
shape
kinematics
associated
CICE
behave
more
like
quiescent
In
particular,
surrounding
foci
unable
polarize,
reinforce
monolayer
stresses,
Our
findings
reveal
crosstalk
is
key
elimination
large
domains
cells.
Annual Review of Cell and Developmental Biology,
Journal Year:
2022,
Volume and Issue:
38(1), P. 321 - 347
Published: May 14, 2022
Patterns
are
ubiquitous
in
living
systems
and
underlie
the
dynamic
organization
of
cells,
tissues,
embryos.
Mathematical
frameworks
have
been
devised
to
account
for
self-organization
biological
patterns,
most
famously
Turing
framework.
can
be
defined
space,
example,
form
stripes;
time,
such
as
during
oscillations;
or
both,
traveling
waves.
The
formation
these
patterns
different
origins:
purely
chemical,
mechanical,
a
combination
two.
Beyond
variety
molecular
implementations
we
emphasize
unitary
principles
associated
with
them,
across
scales
space
within
general
mechanochemical
We
illustrate
where
mechanisms
pattern
arise
from
cellular
tissue
scales,
an
emphasis
on
morphogenesis.
Our
goal
is
convey
picture
that
draws
attention
rather
than
solely
specific
mechanisms.
Current Biology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Intricate
branching
patterns
emerge
in
internal
organs
due
to
the
recurrent
occurrence
of
simple
deformations
epithelial
tissues.
During
murine
lung
development,
cells
distal
tips
single
tube
require
fibroblast
growth
factor
(FGF)
signals
emanating
from
their
surrounding
mesenchyme
form
repetitive
tip
bifurcations.
However,
it
remains
unknown
how
employ
FGF
signaling
convert
behaviors
achieve
recursive
processes.
Here,
we
show
a
mechano-chemical
regulatory
system
underlying
morphogenesis,
orchestrated
by
extracellular
signal-regulated
kinase
(ERK)
as
downstream
driver
signaling.
We
found
that
tissue-scale
curvature
regulated
ERK
activity
epithelium
using
two-photon
live
cell
imaging
and
mechanical
perturbations.
activation
occurs
specifically
tissues
exhibiting
positive
curvature,
regardless
whether
change
was
attributable
morphogenesis
or
Moreover,
accelerates
actin
polymerization
preferentially
at
apical
side
cells,
mechanically
contributing
extension
membrane,
culminating
reduction
tissue
curvature.
These
results
indicate
existence
negative
feedback
loop
between
transcends
spatial
scales.
Our
mathematical
model
confirms
this
mechanism
is
sufficient
generate
Taken
together,
propose
orchestrates
pivotal
self-organized
patterning
Reports on Progress in Physics,
Journal Year:
2024,
Volume and Issue:
87(5), P. 056601 - 056601
Published: March 22, 2024
Single
and
collective
cell
migration
are
fundamental
processes
critical
for
physiological
phenomena
ranging
from
embryonic
development
immune
response
to
wound
healing
cancer
metastasis.
To
understand
a
physical
perspective,
broad
variety
of
models
the
underlying
mechanisms
that
govern
motility
have
been
developed.
A
key
challenge
in
such
is
how
connect
them
experimental
observations,
which
often
exhibit
complex
stochastic
behaviours.
In
this
review,
we
discuss
recent
advances
data-driven
theoretical
approaches
directly
with
data
infer
dynamical
migration.
Leveraging
nanofabrication,
image
analysis,
tracking
technology,
studies
now
provide
unprecedented
large
datasets
on
cellular
dynamics.
parallel,
efforts
directed
towards
integrating
into
single
tissue
scale
aim
conceptualising
emergent
behaviour
cells.
We
first
review
inference
problem
has
addressed
both
freely
migrating
confined
Next,
why
these
dynamics
typically
take
form
underdamped
equations
motion,
can
be
inferred
data.
then
applications
machine
learning
heterogeneity
behaviour,
subcellular
degrees
freedom,
multicellular
systems.
Across
applications,
emphasise
methods
integrated
active
matter
cells,
help
reveal
molecular
control
behaviour.
Together,
promising
avenue
building
data,
providing
conceptual
links
between
different
length-scales
description.
AJP Cell Physiology,
Journal Year:
2024,
Volume and Issue:
326(4), P. C1212 - C1225
Published: Feb. 19, 2024
Fibronectin
(FN)
is
a
major
extracellular
matrix
(ECM)
protein
involved
in
wide
range
of
physiological
processes,
including
cell
migration.
These
FN-mediated
migration
events
are
essential
to
processes
such
as
wound
repair,
cancer
metastasis,
and
vertebrate
development.
This
review
synthesizes
mainly
current
literature
provide
an
overview
the
mechanoregulatory
role
Background
on
FN
structure
mechanotransduction
provided.
Cell
concepts
introduced,
general
mechanism
classification
types.
Then,
that
directly
affect
explored.
Finally,
focus
tissue
repair
presented,
these
topics
represent
large
amount
research.
PLoS Computational Biology,
Journal Year:
2025,
Volume and Issue:
21(2), P. e1012846 - e1012846
Published: Feb. 21, 2025
Motivated
by
the
spatiotemporal
waves
of
MAPK/ERK
activity,
crucial
for
long-range
communication
in
regenerating
tissues,
we
investigated
stochastic
homoclinic
fronts
propagating
through
channels
formed
directly
interacting
cells.
We
evaluated
efficiency
these
examining
rate
information
transmission.
Our
study
identified
phenomena
that
reduce
this
rate:
front
propagation
failure,
new
spawning,
and
variability
velocity.
found
a
trade-off
between
frequencies
failures
spawning
determines
optimal
channel
width
(which
geometrically
length).
The
frequency
initiating
is
determined
input
(higher
with
more
frequent
initiation)
fidelity
transmission
(lower
initiation).
analysis
provides
insight
into
relative
timescales
intra-
intercellular
processes
necessary
successful
wave
propagation.