Harnessing Gasotransmitters to Combat Age-Related Oxidative Stress in Smooth Muscle and Endothelial Cells
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(3), P. 344 - 344
Published: Feb. 27, 2025
Age-related
oxidative
stress
is
a
critical
factor
in
vascular
dysfunction,
contributing
to
hypertension
and
atherosclerosis.
Smooth
muscle
cells
endothelial
are
particularly
susceptible
damage,
which
exacerbates
aging
through
cellular
senescence,
chronic
inflammation,
arterial
stiffness.
Gasotransmitters—hydrogen
sulfide
(H2S),
nitric
oxide
(NO),
carbon
monoxide
(CO)—are
emerging
as
promising
therapeutic
agents
for
counteracting
these
processes.
This
review
synthesizes
findings
from
recent
studies
focusing
on
the
mechanisms
by
H2S,
NO,
CO
influence
smooth
cell
function.
Therapeutic
strategies
involving
exogenous
gasotransmitter
delivery
systems
combination
therapies
were
analyzed.
H2S
enhances
mitochondrial
bioenergetics,
scavenges
ROS,
activates
antioxidant
pathways.
NO
improves
function,
promotes
vasodilation,
inhibits
platelet
aggregation.
exhibits
cytoprotective
anti-inflammatory
effects
modulating
heme
oxygenase
activity
ROS
production.
In
preclinical
studies,
gasotransmitter-releasing
molecules
(e.g.,
NaHS,
SNAP,
CORMs)
targeted
show
significant
promise.
Synergistic
with
lifestyle
modifications
further
enhance
their
potential.
conclusion,
gasotransmitters
hold
promise
combat
age-related
cells.
Their
multifaceted
innovative
approaches
make
them
potential
candidates
treating
dysfunction
promoting
healthy
aging.
Further
research
needed
translate
into
clinical
applications.
Language: Английский
Carbon Monoxide and Prokaryotic Energy Metabolism
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(6), P. 2809 - 2809
Published: March 20, 2025
Carbon
monoxide
(CO)
plays
a
multifaceted
role
in
both
physiology
and
pathophysiology.
At
high
levels,
it
is
lethal
to
humans
due
its
tight
binding
globins
cytochrome
c
oxidase.
low
doses,
CO
can
exhibit
beneficial
effects;
serves
as
an
endogenous
signaling
molecule
possesses
antibacterial
properties,
which
opens
up
possibilities
for
use
antimicrobial
agent.
For
this
purpose,
research
progress
develop
metal-based
CO-releasing
molecules,
metal-free
organic
prodrugs,
CO-generating
hydrogel
microspheres.
The
energy
metabolism
of
prokaryotes
key
point
that
may
be
targeted
by
kill
invading
pathogens.
cornerstone
prokaryotic
series
membrane-bound
enzyme
complexes,
constitute
respiratory
chain.
Terminal
oxidases,
at
the
end
chain,
contain
hemes
are
therefore
potential
targets
CO.
However,
area
very
early
stage.
impact
on
bacterial
also
provide
basis
biotechnological
applications
gas
present.
This
review
discusses
molecular
effects
microbial
growth
aerobic
respiration
supported
different
terminal
oxidases
light
recent
findings.
Language: Английский