Intranasal Insulin Administration Affecting Perioperative Neurocognitive Dysfunction by Regulating Calcium Transport Protein Complex IP3R/GRP75/VDAC1 on MAMs
Free Radical Biology and Medicine,
Journal Year:
2025,
Volume and Issue:
228, P. 240 - 250
Published: Jan. 5, 2025
Language: Английский
Zn2+ protects H9C2 cardiomyocytes by alleviating MAMs-associated apoptosis and calcium signaling dysregulation
Jiabao Guo,
No information about this author
Tingting Ma,
No information about this author
Bingyu Wang
No information about this author
et al.
Cellular Signalling,
Journal Year:
2025,
Volume and Issue:
unknown, P. 111629 - 111629
Published: Jan. 1, 2025
Language: Английский
Endoplasmic reticulum stress signaling modulates ischemia/reperfusion injury in the aged heart by regulating mitochondrial maintenance
Molecular Medicine,
Journal Year:
2024,
Volume and Issue:
30(1)
Published: July 23, 2024
Abstract
Aging
is
associated
with
an
increased
risk
of
myocardial
ischemia/reperfusion
injury
(IRI).
With
increasing
prevalence
cardiovascular
diseases
such
as
coronary
arteriosclerosis
in
older
people,
there
has
been
interest
understanding
the
mechanisms
IRI
to
develop
therapeutics
that
can
attenuate
its
damaging
effects.
Previous
studies
identified
abnormal
mitochondria,
involved
cellar
senescence
and
oxidative
stress,
are
master
subcellular
organelle
induces
IRI.
In
addition,
endoplasmic
reticulum
(ER)
stress
also
Cellular
adaptation
ER
achieved
by
activation
molecular
chaperones
folding
enzymes,
which
provide
important
link
between
gene
programs.
this
review,
we
outline
how
these
stress-related
molecules
affect
via
crosstalk
mitochondrial
homeostasis
discuss
may
offer
promising
novel
therapeutic
targets
strategies
against
age-related
diseases.
Language: Английский
Reduction of Mitochondrial Calcium Overload via MKT077-Induced Inhibition of Glucose-Regulated Protein 75 Alleviates Skeletal Muscle Pathology in Dystrophin-Deficient mdx Mice
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(18), P. 9892 - 9892
Published: Sept. 13, 2024
Duchenne
muscular
dystrophy
is
secondarily
accompanied
by
Ca2+
excess
in
muscle
fibers.
Part
of
the
accumulates
mitochondria,
contributing
to
development
mitochondrial
dysfunction
and
degeneration
muscles.
In
this
work,
we
assessed
effect
intraperitoneal
administration
rhodacyanine
MKT077
(5
mg/kg/day),
which
able
suppress
glucose-regulated
protein
75
(GRP75)-mediated
transfer
from
sarcoplasmic
reticulum
(SR)
on
overload
skeletal
mitochondria
dystrophin-deficient
mdx
mice
concomitant
pathology.
prevented
quadriceps
mice,
reduced
intensity
oxidative
stress,
improved
ultrastructure,
but
had
no
impaired
phosphorylation.
eliminated
calcification
fiber
degeneration,
fibrosis
level,
normalized
grip
strength
mice.
However,
noted
a
negative
wild-type
expressed
as
decrease
efficiency
phosphorylation,
SR
stress
development,
ultrastructural
disturbances
quadriceps,
reduction
animal
endurance
wire-hanging
test.
This
paper
discusses
impact
modulation
pathology
Language: Английский
Emerging and Novel Therapeutic Treatments Targeting Mitochondrial-Endoplasmic Reticulum Contact Sites in Metabolic and Vascular Disorders
International Journal of Drug Discovery and Pharmacology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100008 - 100008
Published: June 6, 2024
Review
Emerging
and
Novel
Therapeutic
Treatments
Targeting
Mitochondrial-Endoplasmic
Reticulum
Contact
Sites
in
Metabolic
Vascular
Disorders
Richard
M.
Monaghan
The
British
Heart
Foundation
Centre
of
Research
Excellence
Manchester,
Division
Cardiovascular
Sciences,
Faculty
Biology,
Medicine,
Health,
University
AV
Hill
Building,
Oxford
Road,
M13
9PN,
UK;[email protected]
Received:
10
April
2024;
Revised:
5
May
Accepted:
7
Published:
6
June
2024
Abstract:
Subcellular
organellar
contact
sites,
particularly
those
between
mitochondria
the
endoplasmic
reticulum
(MERCSs),
play
crucial
roles
maintaining
health.
These
specialized
partitions
facilitate
vital
communication
organelles,
regulating
processes
essential
for
cell
function,
including
calcium
balance,
lipid
biogenesis
transport,
mitochondrial
dynamics,
programmed
death.
Growing
evidence
shows
that
perturbation
MERCSs
contributes
significantly
to
various
diseases,
neurodegenerative
disorders
like
Alzheimer’s
Parkinson’s,
metabolic
issues,
such
as
type
2
diabetes,
heart
conditions,
cancer.
This
review
dives
into
this
expanding
field,
exploring
potential
therapeutic
targets.
It
provides
a
detailed
overview
proteins
form
maintain
MERCSs,
highlighting
how
their
disruption
can
lead
cellular
dysfunction
disease.
Additionally,
it
examines
recent
exciting
breakthroughs
developing
drugs
strategies
manipulate
clinical
benefits.
While
challenges
remain,
emphasises
MERCS-based
therapies
outlines
critical
research
needed
move
these
treatments
from
lab
clinic.
Language: Английский
Calcium bridges built by mitochondria-associated endoplasmic reticulum membranes: potential targets for neural repair in neurological diseases
Yichen Peng,
No information about this author
Li Zhou,
No information about this author
Yaju Jin
No information about this author
et al.
Neural Regeneration Research,
Journal Year:
2024,
Volume and Issue:
20(12), P. 3349 - 3369
Published: Nov. 13, 2024
The
exchange
of
information
and
materials
between
organelles
plays
a
crucial
role
in
regulating
cellular
physiological
functions
metabolic
levels.
Mitochondria-associated
endoplasmic
reticulum
membranes
serve
as
physical
contact
channels
the
membrane
mitochondrial
outer
membrane,
formed
by
various
proteins
protein
complexes.
This
microstructural
domain
mediates
several
specialized
functions,
including
calcium
(Ca
2+
)
signaling,
autophagy,
morphology,
oxidative
stress
response,
apoptosis.
Notably,
dysregulation
Ca
signaling
mediated
mitochondria-associated
is
critical
factor
pathogenesis
neurological
diseases.
Certain
or
complexes
within
these
directly
indirectly
regulate
distance
mitochondria,
well
transduction
signaling.
Conversely,
influences
other
membrane-associated
functions.
These
can
vary
significantly
across
different
diseases—such
ischemic
stroke,
traumatic
brain
injury,
Alzheimer’s
disease,
Parkinson’s
amyotrophic
lateral
sclerosis,
Huntington’s
disease—and
their
respective
stages
progression.
Targeted
modulation
disease-related
pathways
functional
enhance
function
promote
regeneration
repair
damaged
neurons.
Therefore,
membranes-mediated
pivotal
pathological
progression
diseases
represents
significant
potential
therapeutic
target.
review
focuses
on
effects
distinct
roles
diseases,
specifically
highlighting
early
protective
neuronal
damage
that
result
from
prolonged
overload
deficiency.
article
provides
comprehensive
analysis
mechanisms
contributing
to
exploration
targets
for
promoting
neuroprotection
nerve
repair.
Language: Английский