Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(11)
Published: Dec. 25, 2023
Mechanotransduction
is
a
strictly
regulated
process
whereby
mechanical
stimuli,
including
forces
and
properties,
are
sensed
translated
into
biochemical
signals.
Increasing
data
demonstrate
that
mechanotransduction
crucial
for
regulating
macroscopic
microscopic
dynamics
functionalities.
However,
the
actions
mechanisms
of
across
multiple
hierarchies,
from
molecules,
subcellular
structures,
cells,
tissues/organs,
to
whole-body
level,
have
not
been
yet
comprehensively
documented.
Herein,
biological
roles
operational
macro
micro
revisited,
with
focus
on
orchestrations
diverse
hierarchies.
The
implications,
applications,
challenges
in
human
diseases
also
summarized
discussed.
Together,
this
knowledge
hierarchical
perspective
has
potential
refresh
insights
regulation
disease
pathogenesis
therapy,
ultimately
revolutionize
prevention,
diagnosis,
treatment
diseases.
Neuron,
Journal Year:
2023,
Volume and Issue:
112(3), P. 342 - 361
Published: Nov. 14, 2023
Physical
forces
are
ubiquitous
in
biological
processes
across
scales
and
diverse
contexts.
This
review
highlights
the
significance
of
mechanical
nervous
system
development,
homeostasis,
disease.
We
provide
an
overview
signals
present
delve
into
mechanotransduction
mechanisms
translating
these
cues
biochemical
signals.
During
regulate
a
plethora
processes,
including
cell
proliferation,
differentiation,
migration,
network
formation,
cortex
folding.
Forces
then
continue
exerting
their
influence
on
physiological
such
as
neuronal
activity,
glial
function,
interplay
between
different
types.
Notably,
changes
tissue
mechanics
manifest
neurodegenerative
diseases
brain
tumors,
potentially
offering
new
diagnostic
therapeutic
target
opportunities.
Understanding
role
cellular
physiology
pathology
adds
facet
to
neurobiology,
shedding
light
many
that
remain
incompletely
understood.
The
neuropathological
features
of
Alzheimer's
disease
include
amyloid
plaques.
Rapidly
emerging
evidence
suggests
that
Piezo1,
a
mechanosensitive
cation
channel,
plays
critical
role
in
transforming
ultrasound-related
mechanical
stimuli
through
its
trimeric
propeller-like
structure,
but
the
importance
Piezo1-mediated
mechanotransduction
brain
functions
is
less
appreciated.
However,
apart
from
stimulation,
Piezo1
channels
are
strongly
modulated
by
voltage.
We
assume
may
play
converting
and
electrical
signals,
which
could
induce
phagocytosis
degradation
Aβ,
combined
effect
stimulation
superior
to
single
stimulation.
Hence,
we
design
transcranial
magneto-acoustic
(TMAS)
system,
based
on
ultrasound
(TUS)
within
magnetic
field
combines
coupling
electric
force
ultrasound,
applied
it
test
above
hypothesis
5xFAD
mice.
Behavioral
tests,
vivo
electrophysiological
recordings,
Golgi-Cox
staining,
enzyme-linked
immunosorbent
assay,
immunofluorescence,
immunohistochemistry,
real-time
quantitative
PCR,
Western
blotting,
RNA
sequencing,
cerebral
blood
flow
monitoring
were
used
assess
whether
TMAS
can
alleviate
symptoms
AD
mouse
model
activating
Piezo1.
treatment
enhanced
autophagy
promote
β-amyloid
activation
microglial
alleviated
neuroinflammation,
synaptic
plasticity
impairment,
neural
oscillation
abnormalities
mice,
showing
stronger
than
ultrasound.
inhibition
with
an
antagonist,
GsMTx-4,
prevented
these
beneficial
effects
TMAS.
This
research
indicates
transform
TMAS-related
into
biochemical
signals
identifies
favorable
mice
mediated
Frontiers in Cell and Developmental Biology,
Journal Year:
2024,
Volume and Issue:
11
Published: Jan. 18, 2024
Extracellular
ATP
and
adenosine
are
neuromodulators
that
regulate
numerous
neuronal
functions
in
the
brain.
Neuronal
activity
brain
insults
such
as
ischemic
traumatic
injury
upregulate
these
neuromodulators,
which
exert
their
effects
by
activating
purinergic
receptors.
In
addition,
extracellular
ATP/adenosine
signaling
plays
a
pivotal
role
pathogenesis
of
neurological
diseases.
Virtually
every
cell
type
contributes
to
elevation
ATP/adenosine,
various
mechanisms
underlying
this
increase
have
been
proposed.
is
thought
be
mainly
produced
via
degradation
ATP.
However,
also
released
from
neurons
glia
Therefore,
regulation
physiological
pathophysiological
conditions
likely
far
more
complex
than
previously
thought.
To
elucidate
levels,
accurate
methods
assessing
spatiotemporal
dynamics
needed.
Several
novel
techniques
for
acquiring
information
on
including
fluorescent
sensors,
developed
started
reveal
release,
uptake
ATP/adenosine.
Here,
we
review
analyzing
well
current
state
knowledge
We
focus
used
cooperatively
produce
activity-dependent
its
significance
Cells,
Journal Year:
2024,
Volume and Issue:
13(6), P. 492 - 492
Published: March 12, 2024
Amyotrophic
lateral
sclerosis
(ALS)
is
a
mysterious
lethal
multisystem
neurodegenerative
disease
that
gradually
leads
to
the
progressive
loss
of
motor
neurons.
A
recent
non-contact
dying-back
injury
mechanism
theory
for
ALS
proposed
primary
damage
an
acquired
irreversible
intrafusal
proprioceptive
terminal
Piezo2
channelopathy
with
underlying
genetic
and
environmental
risk
factors.
Underpinning
this
excessively
prolonged
mechanotransduction
under
allostasis
may
induce
dysfunctionality
in
mitochondria,
leading
channelopathy.
This
microinjury
suggested
provide
one
gateway
from
physiology
pathophysiology.
The
chronic,
but
not
irreversible,
form
implicated
many
diseases
unknown
etiology.
Dry
eye
them
where
replenishing
synthetic
proteoglycans
promote
nerve
regeneration.
Syndecans,
especially
syndecan-3,
are
as
first
critical
link
hierarchical
ordered
depletory
pathomechanism
proton-collecting/distributing
antennas;
hence,
they
play
role
onset.
Even
more
importantly,
shedding
or
charge-altering
variants
Syndecan-3
contribute
channelopathy-induced
disruption
Piezo2-initiated
proton-based
ultrafast
long-range
signaling
through
VGLUT1
VGLUT2.
Thus,
these
alterations
only
cause
hippocampus
conscious
proprioception,
could
disrupt
feedback
motoneurons.
Correspondingly,
inert
signaled
skeletal
system
coming
light
be
progressively
lost
ALS.
In
addition,
functional
MyoD
family
inhibitor
proteins,
auxiliary
subunits
Piezo2,
theorized
channelopathy,
explain
how
microinjured
ion
channels
evolve
principal
transcription
activators.
Journal of Neurochemistry,
Journal Year:
2025,
Volume and Issue:
169(2)
Published: Feb. 1, 2025
Astrocytes
are
glial
cells
recognized
for
their
diverse
roles
in
regulating
brain
circuit
structure
and
function.
They
can
sense
adapt
to
changes
the
microenvironment
due
unique
structural
biochemical
properties.
A
key
aspect
of
astrocytic
function
involves
calcium
(Ca2+)-dependent
signaling,
which
serves
as
a
fundamental
mechanism
interactions
with
neurons
other
brain.
However,
while
significant
progress
has
been
made
understanding
spatio-temporal
properties
Ca2+
signals,
downstream
molecular
pathways
exact
mechanisms
through
astrocytes
decode
these
signals
regulate
homeostatic
physiological
processes
remain
poorly
understood.
To
address
this
topic,
we
review
here
available
literature
on
sources
intracellular
Ca2+,
well
its
signaling
pathways.
We
well-studied
Ca2+-dependent
exocytosis
but
draw
attention
additional
that
less
understood
are,
most
likely,
highly
influential
many
cellular
functions.
Finally,
how
is
thought
underlie
neuron-astrocyte
regions
involved
cognitive
processing.
Journal of Clinical Investigation,
Journal Year:
2023,
Volume and Issue:
134(4)
Published: Nov. 2, 2023
Skull
development
coincides
with
the
onset
of
cerebrospinal
fluid
(CSF)
circulation,
brain-CSF
perfusion,
and
meningeal
lymphangiogenesis,
processes
essential
for
brain
waste
clearance.
How
these
are
affected
by
craniofacial
disorders
such
as
craniosynostosis
poorly
understood.
We
report
that
raised
intracranial
pressure
diminished
CSF
flow
in
mouse
models
associates
pathological
changes
to
lymphatic
vessels
affect
their
sprouting,
expansion,
long-term
maintenance.
also
show
affects
circulatory
pathways
perfusion
into
brain.
Further,
exacerbates
amyloid
pathology
plaque
buildup
Twist1+/-:5xFAD
transgenic
Alzheimer's
disease
models.
Treating
mice
Yoda1,
a
small
molecule
agonist
Piezo1,
reduces
improves
flow,
addition
restoring
drainage
deep
cervical
lymph
nodes,
perfusion.
Leveraging
findings,
we
Yoda1
treatments
aged
reduced
turnover
improve
networks,
drainage,
Our
results
suggest
provides
mechanical
force
facilitate
growth
Additionally,
applying
conditions
and/or
seen
or
ageing,
is
possible
therapeutic
option
help
restore
networks
Ageing Research Reviews,
Journal Year:
2023,
Volume and Issue:
90, P. 102026 - 102026
Published: July 31, 2023
Since
the
discovery
of
mechanosensitive
Piezo1
channel
in
2010,
there
has
been
a
significant
amount
research
conducted
to
explore
its
regulatory
role
physiology
and
pathology
various
organ
systems.
Recently,
growing
body
compelling
evidence
emerged
linking
activity
health
disease
central
nervous
system.
However,
exact
mechanisms
underlying
these
associations
remain
inadequately
comprehended.
This
review
systematically
summarizes
current
on
implications
for
system
mechanobiology,
retrospects
results
demonstrating
cell
types
within
system,
including
neural
stem
cells,
neurons,
oligodendrocytes,
microglia,
astrocytes,
brain
endothelial
cells.
Furthermore,
discusses
understanding
involvement
disorders,
such
as
Alzheimer's
disease,
multiple
sclerosis,
glaucoma,
stroke,
glioma.