A look at MERCs as UPRmt regulatory hubs in age-associated heart diseases
The Journal of Cardiovascular Aging,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Jan. 22, 2025
With
the
increase
in
life
expectancy
globally,
challenge
of
dealing
with
aging
becomes
more
prominent.
Aging
is
a
risk
factor
for
several
diseases,
including
cardiovascular
disease.
Mitochondria,
which
have
long
been
studied
relation
to
aging,
play
crucial
role
maintaining
cellular
homeostasis.
However,
there
limitation
interorganellar
communication
as
organisms
age.
The
unfolded
protein
response
mitochondria
(UPRmt)
activated
during
stress
maintain
mitochondrial
homeostasis
and
prevent
accumulation
damaged
mitochondria.
This
involves
signaling
from
nucleus,
leading
transcriptional
changes.
In
context
heart,
this
review
explores
terms
function
morphology.
It
also
discusses
impact
UPRmt
on
cardiac
diseases
such
heart
failure,
acute
myocardial
infarction,
dilated
cardiomyopathy.
highlights
potential
mitochondria-endoplasmic
reticulum
contact
sites
(MERCs)
modulating
aging.
Finally,
it
provides
an
update
molecules
that
induce
activity,
potentially
benefiting
Language: Английский
Modulation of arterial wall remodeling by mechanical stress: Focus on abdominal aortic aneurysm
Vascular Medicine,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
The
rupture
of
an
abdominal
aortic
aneurysm
(AAA)
poses
a
significant
threat,
with
high
mortality
rate,
and
the
mechanical
stability
arterial
wall
determines
both
its
growth
potential
for
rupture.
Owing
to
extracellular
matrix
(ECM)
degradation,
wall-resident
cells
are
subjected
aberrant
stress
environment.
In
response
stress,
cellular
signaling
pathway
is
activated,
initiating
remodeling
restore
stability.
A
decline
in
signal
responsiveness,
coupled
inadequate
remodeling,
significantly
contributes
AAA’s
progressive
expansion
eventual
this
review,
we
summarize
main
stresses
experienced
by
wall,
emphasizing
critical
role
ECM
withstanding
importance
stress-exposed
maintaining
Furthermore,
will
discuss
application
biomechanical
analyses
as
predictive
tool
assessing
AAA
Language: Английский
Mitochondria-associated membranes (MAMs) in age-related heart diseases, role of endoplasmic reticulum stress
Advances in pharmacology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Involvement of Matricellular Proteins in Cellular Senescence: Potential Therapeutic Targets for Age-Related Diseases
Motomichi Fujita,
No information about this author
Manabu Sasada,
No information about this author
Takuya Iyoda
No information about this author
et al.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(12), P. 6591 - 6591
Published: June 15, 2024
Senescence
is
a
physiological
and
pathological
cellular
program
triggered
by
various
types
of
stress.
Senescent
cells
exhibit
multiple
characteristic
changes.
Among
them,
the
flattened
enlarged
morphology
exhibited
in
senescent
observed
regardless
stimuli
causing
senescence.
Several
studies
have
provided
important
insights
into
pro-adhesive
properties
senescence,
suggesting
that
cell
adhesion
to
extracellular
matrix
(ECM),
which
involved
morphological
changes,
may
play
pivotal
roles
Matricellular
proteins,
group
structurally
unrelated
ECM
molecules
are
secreted
environment,
unique
ability
control
binding
receptors,
including
integrins.
Recent
reports
certified
matricellular
proteins
closely
Through
this
biological
function,
thought
pathogenesis
age-related
diseases,
fibrosis,
osteoarthritis,
intervertebral
disc
degeneration,
atherosclerosis,
cancer.
This
review
outlines
recent
on
role
inducing
We
highlight
integrin-mediated
signaling
senescence
provide
new
therapeutic
options
for
diseases
targeting
Language: Английский
The Research on Deep Learning-Driven Dimensionality Reduction and Strain Prediction Techniques Based on Flight Parameter Data
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(9), P. 3938 - 3938
Published: May 5, 2024
Loads
and
strains
in
critical
areas
play
a
crucial
role
aircraft
structural
health
monitoring,
the
tracking
of
individual
lifespans,
compilation
load
spectra.
Direct
measurement
actual
flight
loads
presents
challenges.
This
process
typically
involves
using
load-strain
stiffness
matrices,
derived
from
ground
calibration
tests,
to
map
measured
parameters
at
locations.
Presently,
deep
learning
neural
network
methods
are
rapidly
developing,
offering
new
perspectives
for
this
task.
paper
explores
potential
models
predicting
parameter
strains,
integrating
preprocessing
techniques,
maneuver
recognition
(FMR),
virtual
tests
wings,
dimensionality
reduction
data
through
Autoencoder
(AE)
models,
application
Long
Short-Term
Memory
(LSTM)
predict
strains.
These
efforts
contribute
prediction
based
on
parameters,
thereby
enabling
real-time
assessment
damage.
Language: Английский
Cystathionine γ lyase Attenuates Vascular Smooth Muscle Cell Senescence via Foxm1-Gas1 Pathway to Mediate Arterial Stiffness
Qian Lin,
No information about this author
Changting Cui,
No information about this author
Ying Zhao
No information about this author
et al.
Antioxidants and Redox Signaling,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Arterial
stiffness,
a
hallmark
of
vascular
aging,
significantly
contributes
to
hypertension
and
impaired
organ
perfusion.
Vascular
smooth
muscle
cell
(VSMC)
dysfunction,
particularly
VSMC
senescence
its
interaction
with
is
crucial
in
the
pathogenesis
arterial
stiffness.
Although
hydrogen
sulfide
(H
Language: Английский
Identificación de nuevas dianas terapéuticas relacionadas con el estrés del retículo endoplasmático y con la disfunción mitocondrial para reducir el riesgo de rotura en el aneurisma de aorta ascendente degenerativo
Clínica e Investigación en Arteriosclerosis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100740 - 100740
Published: Oct. 1, 2024
Language: Английский
Mechanical stiffness across skin layers in human: a pilot study
Wan-Yu Chi,
No information about this author
Hao-Wei Huang,
No information about this author
Gang‐Hui Lee
No information about this author
et al.
Tissue Barriers,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
Mechanobiological
forces
play
a
pivotal
role
in
the
processes
of
skin
homeostasis,
wound
healing
and
regeneration.
Changes
tissue
stiffness
are
linked
to
various
diseases.
Using
atomic
force
microscopy,
we
analyzed
elastic
modulus,
representing
mechanical
stiffness,
different
layers
group
six
participants,
including
2
males
4
females,
aged
between
1
70
years.
The
layers,
ranked
from
highest
lowest
epidermis,
papillary
dermis,
upper
reticular
lower
sebaceous
gland,
subcutaneous
tissue.
This
study
contributes
more
understanding
physical
properties
skin,
offering
reference
for
further
research
on
physiology
or
pathology.
Language: Английский
Best1 mitigates ER stress induced by the increased cellular microenvironment stiffness in epilepsy
Hao Wu,
No information about this author
Yicong Dong,
No information about this author
Qiang Meng
No information about this author
et al.
Neurobiology of Disease,
Journal Year:
2024,
Volume and Issue:
204, P. 106767 - 106767
Published: Dec. 12, 2024
Changes
in
brain
tissue
stiffness
are
closely
linked
to
the
development
and
diseases
of
nervous
system.
Endoplasmic
reticulum
(ER)
stress
plays
a
role
various
pathological
processes
related
epilepsy.
However,
relationship
between
changes,
ER
stress,
epilepsy
remains
unclear.
This
study
aimed
investigate
impact
Best1
upregulation
on
alleviating
underlying
mechanism.
Additionally,
we
proposed
protective
strategy
prevent
cell
death
resulting
from
investigated
expression
levels
stress-related
proteins
epileptic
tissues
varying
stiffness.
Atomic
force
microscopy
revealed
differences
across
lesion
regions
patients
with
The
ECM
were
elevated
higher
Polypropionamide
hydrogels
used
simulate
extracellular
matrix
(ECM)
levels.
Basal
increased
stiffer
hydrogel
substrates.
Furthermore,
calcium-activated
anion
channel
Bestrophin
1
(Best1)
mitigated
induced
by
both
substrate
thapsigargin.
loss-of-function
mutations
inhibited
this
activity.
mechanism
involves
endosomal
sorting
complex
required
for
transport
(ESCRT)
components
Best1,
which
helps
mitigate
stress.
These
findings
suggest
that
cellular
microenvironment
may
contribute
neuronal
during
epileptogenesis.
serve
as
against
excessive
stress-induced
damage
Language: Английский