Antioxidants,
Journal Year:
2023,
Volume and Issue:
13(1), P. 42 - 42
Published: Dec. 25, 2023
Cellular
senescence
refers
to
the
permanent
and
irreversible
cessation
of
cell
cycle.
Recently,
it
has
gained
significant
interest
as
a
promising
target
for
preventing
cardiovascular
diseases.
Aldehyde
dehydrogenase
2
(ALDH2)
is
mitochondrial
enzyme
that
been
closely
linked
with
an
increased
risk
In
this
study,
bioinformatics
analysis
revealed
signaling
pathway
fibroblast
significantly
activated
in
mice
after
myocardial
infarction
(MI),
ALDH2
might
be
crucial
molecule
responsible
inducing
change.
Therefore,
we
created
NIH3T3
line
oxygen-glucose
deprivation
(OGD)
model
replicate
conditions
MI
vitro.
We
further
decreased
activity
critical
factor
affects
OGD,
activation
can
improve
damage
caused
by
OGD.
identified
Heat
Shock
70-kDa
Protein
8
(HSPA8)
interacting
protein
through
co-immunoprecipitation
(Co-IP)
mass
spectrometry
(MS)
detection.
Subsequently,
our
studies
showed
HSPA8
translocates
mitochondria
potentially
binding
inhibiting
its
activity.
By
transfecting
siRNA
inhibit
expression
cells,
was
found
increased,
characteristics
induced
OGD
cells
improved.
conclusion,
data
from
study
suggest
HSPA8,
conjunction
ALDH2,
could
regulate
deprivation,
providing
new
direction
foundation
effectively
intervening
infarction.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: May 15, 2024
Abstract
Mitochondria,
with
their
intricate
networks
of
functions
and
information
processing,
are
pivotal
in
both
health
regulation
disease
progression.
Particularly,
mitochondrial
dysfunctions
identified
many
common
pathologies,
including
cardiovascular
diseases,
neurodegeneration,
metabolic
syndrome,
cancer.
However,
the
multifaceted
nature
elusive
phenotypic
threshold
dysfunction
complicate
our
understanding
contributions
to
diseases.
Nonetheless,
these
complexities
do
not
prevent
mitochondria
from
being
among
most
important
therapeutic
targets.
In
recent
years,
strategies
targeting
have
continuously
emerged
transitioned
clinical
trials.
Advanced
intervention
such
as
using
healthy
replenish
or
replace
damaged
mitochondria,
has
shown
promise
preclinical
trials
various
Mitochondrial
components,
mtDNA,
mitochondria-located
microRNA,
associated
proteins
can
be
potential
agents
augment
function
immunometabolic
diseases
tissue
injuries.
Here,
we
review
current
knowledge
pathophysiology
concrete
examples
We
also
summarize
treat
perspective
dietary
supplements
targeted
therapies,
well
translational
situation
related
pharmacology
agents.
Finally,
this
discusses
innovations
applications
transplantation
an
advanced
promising
treatment.
Cell & Bioscience,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: May 19, 2022
Mitochondria
play
a
pivotal
role
in
energy
generation
and
cellular
physiological
processes.
These
organelles
are
highly
dynamic,
constantly
changing
their
morphology,
location,
distribution
response
to
stress.
In
recent
years,
the
phenomenon
of
mitochondrial
transfer
has
attracted
significant
attention
interest
from
biologists
medical
investigators.
Intercellular
occurs
different
ways,
including
tunnelling
nanotubes
(TNTs),
extracellular
vesicles
(EVs),
gap
junction
channels
(GJCs).
According
research
on
intercellular
pathological
environments,
hold
great
potential
for
maintaining
body
homeostasis
regulating
Multiple
groups
have
developed
artificial
transfer/transplantation
(AMT/T)
methods
that
healthy
mitochondria
into
damaged
cells
recover
function.
This
paper
reviews
spontaneous
modes,
mechanisms,
latest
AMT/T.
Furthermore,
application
value
mechanism
AMT/T
disease
treatment
also
discussed.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(2), P. 896 - 909
Published: Jan. 10, 2023
It
is
known
that
mitochondrial
dysfunction
a
critical
factor
involved
in
myocardial
ischemia–reperfusion
injury.
Mitochondrial
transplantation
has
been
suggested
as
an
effective
therapeutic
strategy
to
protect
against
However,
its
clinical
translation
remains
limited
because
it
requires
the
local
injection
of
mitochondria
into
myocardium.
Here,
polypeptide,
CSTSMLKAC
(PEP),
bound
triphenylphosphonium
cations
(TPP+)
effectively
binds
form
PEP–TPP–mitochondrial
compound.
Further
investigation
this
compound
revealed
ischemia-sensing
properties
PEP
promote
translocation
ischemic
Additionally,
targeting
peptide,
PEP,
readily
dissociates
from
compound,
allowing
for
transplanted
be
efficiently
internalized
by
cardiomyocytes
or
transferred
endothelial
cells.
promotes
cardiomyocyte
energetics
and
mechanical
contraction,
subsequently
reducing
cellular
apoptosis,
macrophage
infiltration,
pro-inflammatory
response,
all
which
lead
attenuation
Thus,
study
provides
promising
evidence
intravenous
myocardium
ameliorates
European Heart Journal,
Journal Year:
2024,
Volume and Issue:
45(18), P. 1662 - 1680
Published: April 26, 2024
The
Glu504Lys
polymorphism
in
the
aldehyde
dehydrogenase
2
(ALDH2)
gene
is
closely
associated
with
myocardial
ischaemia/reperfusion
injury
(I/RI).
effects
of
ALDH2
on
neutrophil
extracellular
trap
(NET)
formation
(i.e.
NETosis)
during
I/RI
remain
unknown.
This
study
aimed
to
investigate
role
NETosis
pathogenesis
I/RI.
Journal of Translational Medicine,
Journal Year:
2021,
Volume and Issue:
19(1)
Published: May 17, 2021
Abstract
Background
Mitochondria
are
essential
organelles
that
provide
energy
for
cellular
functions,
participate
in
signaling
and
growth,
facilitate
cell
death.
Based
on
their
multifactorial
roles,
mitochondria
also
critical
the
progression
of
illnesses.
Transplantation
has
been
reported
as
a
potential
promising
approach
to
treat
illnesses,
particularly
ischemia
reperfusion
injury
(IRI).
However,
systematic
review
relevant
literature
not
conducted
date.
Here,
we
systematically
reviewed
animal
human
studies
IRI
summarize
evidence
mitochondrial
transplantation.
Methods
We
searched
MEDLINE,
Cochrane
library,
Embase
performed
transplantation
both
preclinical
clinical
studies.
developed
search
strategy
using
combination
keywords
Medical
Subject
Heading/Emtree
terms.
Studies
including
cell-mediated
transfer
method
were
excluded.
Data
extracted
tailored
template,
data
synthesis
was
descriptive
because
suitable
meta-analysis.
Results
Overall,
identified
20
two
Among
studies,
14
(70%)
focused
either
brain
or
heart
IRI.
Both
autograft
allograft
used
17
(85%)
The
designs
heterogeneous
terms
route
administration,
timing
transplantation,
dosage
used.
Twelve
(60%)
blinded
manner.
All
markedly
mitigated
target
tissues,
but
there
variation
biological
biomarkers
pathological
changes.
with
single-arm,
unblinded
design,
which
autologous
applied
pediatric
patients
who
required
extracorporeal
membrane
oxygenation
(ECMO)
IRI–associated
myocardial
dysfunction
after
cardiac
surgery.
Conclusion
gathered
from
our
supports
beneficial
effects
IRI,
its
translation
remains
limited.
Further
investigations
thus
explore
mechanisms
action
patient
outcomes
settings
Systematic
registration
study
registered
at
UMIN
under
number
UMIN000043347.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(3), P. 1969 - 1969
Published: Jan. 19, 2023
Mitochondrial
diseases
(MDs)
are
inherited
genetic
conditions
characterized
by
pathogenic
mutations
in
nuclear
DNA
(nDNA)
or
mitochondrial
(mtDNA).
Current
therapies
still
far
from
being
fully
effective
and
covering
the
broad
spectrum
of
mtDNA.
For
example,
unlike
heteroplasmic
conditions,
MDs
caused
homoplasmic
mtDNA
do
not
yet
benefit
advances
molecular
approaches.
An
attractive
method
providing
dysfunctional
cells
and/or
tissues
with
healthy
mitochondria
is
transplantation.
In
this
review,
we
discuss
what
known
about
intercellular
transfer
methods
used
to
both
vitro
vivo,
provide
an
outlook
on
future
therapeutic
applications.
Overall,
containing
wild-type
copies
could
induce
a
shift
even
when
variants
present,
aim
attenuating
preventing
progression
pathological
clinical
phenotypes.
summary,
transplantation
challenging
but
potentially
ground-breaking
option
for
treatment
various
pathologies,
although
several
questions
remain
be
addressed
before
its
application
medicine.
Biomolecules,
Journal Year:
2022,
Volume and Issue:
12(11), P. 1555 - 1555
Published: Oct. 25, 2022
Reactive
oxygen
species
(ROS),
a
by-product
of
aerobic
life,
are
highly
reactive
molecules
with
unpaired
electrons.
The
excess
ROS
leads
to
oxidative
stress,
instigating
the
peroxidation
polyunsaturated
fatty
acids
(PUFA)
in
lipid
membrane
through
free
radical
chain
reaction
and
formation
most
bioactive
aldehyde,
known
as
4-hydroxynonenal
(4-HNE).
4-HNE
functions
signaling
molecule
toxic
product
acts
mainly
by
forming
covalent
adducts
nucleophilic
functional
groups
proteins,
nucleic
acids,
lipids.
mitochondria
have
been
implicated
site
for
generation
adduction.
Several
studies
clarified
how
affects
mitochondria's
functions,
including
bioenergetics,
calcium
homeostasis,
mitochondrial
dynamics.
Our
research
group
has
shown
that
activates
apoptosis-inducing
factor
(AIFM2)
translocation
facilitates
apoptosis
mice
human
heart
tissue
during
anti-cancer
treatment.
Recently,
we
demonstrated
deficiency
SOD2
conditional-specific
cardiac
knockout
mouse
increases
ROS,
subsequent
production
inside
adduction
several
respiratory
complex
proteins.
Moreover,
highlighted
physiological
HNE
discussed
their
relevance
pathophysiology
current
discoveries
concerning
effects
on
mitochondria.