Involvement of Piezo 1 in inhibition of shear‐induced platelet activation and arterial thrombosis by ginsenoside Rb1
Yilin Wang,
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Lu Liu,
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Lee Jia
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et al.
British Journal of Pharmacology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Shear-induced
platelet
activation
and
aggregation
(SIPA)
play
crucial
roles
in
arterial
thrombosis.
Piezo1
is
a
mechanosensitive
calcium
channel
that
promotes
hyperactivation
under
pathological
high-shear
conditions.
This
study
explores
the
function
of
SIPA
thrombosis,
inhibitory
effects
mechanisms
ginsenoside
Rb1
on
these
processes.
Transgenic
mice
with
platelet-specific
deficiency
(Piezo1ΔPlt)
were
used
to
elucidate
role
A
microfluidic
system
was
employed
assess
aggregation,
influx,
calpain
activity,
talin
cleavage,
integrin
αIIbβ3
P-selectin
expression
shear
flow.
Cellular
thermal
shift
assay
determine
binding
between
Piezo1.
Folts-like
model
evaluate
antithrombotic
Rb1.
platelets
reduced
induced
by
high
rate
4000
s-1
attenuated
thrombosis
mouse
model.
inhibited
an
IC50
10.8
μM.
shear-induced
Ca2+-dependent
as
well
thrombus
formation
Piezo1fl/fl
mice.
significantly
improved
stability
Treatment
Piezo1ΔPlt
did
not
exhibit
further
Platelet
essential
for
shear.
exerted
anti-platelet
anti-thrombotic
at
rates
via
channels,
providing
potential
candidate
antiplatelet
therapeutic
agent.
Language: Английский
Effect of Mechanically Activated Calcium Channels on Passive Stiffness and Contraction Amplitude of Slow Muscle
K. V. Sergeeva,
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С. А. Тыганов,
No information about this author
К. А. Зарипова
No information about this author
et al.
Journal of Evolutionary Biochemistry and Physiology,
Journal Year:
2025,
Volume and Issue:
61(1), P. 115 - 121
Published: Jan. 1, 2025
Language: Английский
Piezo1 Ion Channels Regulate the Formation and Spreading of Human Endometrial Mesenchymal Stem Cell Spheroids
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(6), P. 2474 - 2474
Published: March 10, 2025
Mesenchymal
stem
cells
obtained
from
desquamated
endometrium
(eMSCs)
are
considered
as
reliable
and
promising
objects
for
cell-based
therapy.
eMSCs
aggregated
into
three-dimensional
(3D)
spheroids
demonstrate
greater
efficiency
compared
to
monolayer
2D
eMSCs.
However,
molecular
processes
specific
mechanisms
regulating
the
effectiveness
of
remain
unknown.
Regulation
a
number
physiological
reactions
in
MSCs
is
associated
with
functioning
Ca2+-permeable
mechanosensitive
Piezo1
channels.
In
our
previous
study,
we
showed
that
selective
activation
by
its
agonist
Yoda1
controls
migratory
activity
Here,
aimed
determine
effect
on
eMSC
spheroid
formation
spreading.
PIEZO1
mRNA
expression
was
lower
culture.
Spheroids
formed
or
spread
presence
demonstrated
spreading
rates
control
(Yoda1-free)
spheroids.
The
depended
substrate
stiffness,
whereas
had
similar
regardless
surface
properties.
Our
results
several
Piezo1-dependent
could
be
modulated
activation.
Language: Английский