Cell Biochemistry and Function,
Journal Year:
2021,
Volume and Issue:
40(1), P. 17 - 27
Published: Oct. 30, 2021
Neurologists
have
highly
observed
a
frequent
increasing
number
of
elderly
patients
with
Alzheimer's
disease
(AD)
without
any
relevant
evidence
genetic
or
known
AD‐linked
predisposing
factors
in
the
past
few
years.
Those
are
characterized
by
continuous
and
irreversible
neuron
cells
loss
along
declined
cognitive
functions.
Numerous
studies
suggested
that
exaggerated
release
reactive
oxygen
species
(ROS)
within
brain
may
develop
late‐onset
neurodegenerative
disorders,
especially
AD‐neuroinflammatory
type.
However,
central
nervous
system
is
vitally
linked
whole‐brain
chemical
integrity
its
related
healthy
state,
cascade
which
ROS
result
AD's
development
has
not
been
justified
even
maintained.
It
widely
consumes
vast
amount
being
rich
lipid
polyunsaturated
fatty
acids
content,
explaining
why
it
prone
region
to
oxidative
stress
(OS)
damage.
The
formed
OS‐AD
cytoskeletal
protein
aggregates
can
be
considered
main
factor
for
amyloid‐beta
(Aβ)
hallmarks
precipitation.
Herein,
this
review
aims
provide
detailed
information
on
how
play
pathogenic
role
activating
damage‐associated
molecular
patterns
(DAMPs)–related
toll‐like
receptor‐4
inflammatory
(TLR‐4)
cascades
resulting
deposition
Aβ
tissues
ending
dysfunction.
also
explains
microglia
activated
via
ROS,
significantly
several
pro‐inflammatory
general
atrophy.
Furthermore,
different
types
antioxidant
therapies
will
discussed
combat
AD‐related
pathological
disorders
hallmarks.
Physiological Reviews,
Journal Year:
2022,
Volume and Issue:
103(1), P. 31 - 276
Published: April 18, 2022
Over
the
last
two
decades,
hydrogen
sulfide
(H2S)
has
emerged
as
an
endogenous
regulator
of
a
broad
range
physiological
functions.
H2S
belongs
to
class
molecules
known
gasotransmitters,
which
typically
include
nitric
oxide
(NO)
and
carbon
monoxide
(CO).
Three
enzymes
are
recognized
sources
in
various
cells
tissues:
cystathionine
γ-lyase
(CSE),
β-synthase
(CBS),
3-mercaptopyruvate
sulfurtransferase
(3-MST).
The
present
article
reviews
regulation
these
well
pathways
their
enzymatic
nonenzymatic
degradation
elimination.
multiple
interactions
with
other
labile
(e.g.,
NO)
reactive
oxygen
species
also
outlined.
Next,
biological
targets
signaling
outlined,
special
reference
or
oxidative
posttranscriptional
modification
(persulfidation
sulfhydration)
proteins
effect
on
channels
intracellular
second
messenger
pathways,
gene
transcription
translation,
cellular
bioenergetics
metabolism.
pharmacological
molecular
tools
currently
available
study
physiology
reviewed,
including
utility
limitations.
In
subsequent
sections,
role
functions
is
membrane
potential,
endo-
exocytosis,
cell
organelles
(endoplasmic
reticulum,
Golgi,
mitochondria),
movement,
cycle,
differentiation,
aspects
regulated
death.
roles
types
organ
systems
overviewed,
red
blood
cells,
immune
central
peripheral
nervous
(with
focus
neuronal
transmission,
learning,
memory
formation),
vascular
function
(including
angiogenesis
its
specialized
cerebrovascular,
renal,
pulmonary
beds)
senses,
vision,
hearing,
taste
smell,
pain-sensing.
Finally,
(lung,
heart,
liver,
kidney,
urogenital
organs,
reproductive
system,
bone
cartilage,
skeletal
muscle,
endocrine
organs)
presented,
aging)
but
extending
some
common
pathophysiological
conditions.
From
data,
wide
array
significant
all
emerges
characteristic
bell-shaped
biphasic
effects
highlighted.
addition,
key
aspects,
debated
areas,
future
research
translational
areas
identified.
Molecules,
Journal Year:
2022,
Volume and Issue:
27(11), P. 3389 - 3389
Published: May 25, 2022
Hydrogen
sulfide
(H2S)
is
an
endogenous
biologically
active
gas
produced
in
mammalian
tissues.
It
plays
a
very
critical
role
many
pathophysiological
processes
the
body.
can
be
endogenously
through
enzymes
analogous
to
cysteine
family,
while
exogenous
source
may
involve
inorganic
salts.
H2S
has
recently
been
well
investigated
with
regard
onset
of
various
carcinogenic
diseases
such
as
lung,
breast,
ovaries,
colon
cancer,
and
neurodegenerative
disorders.
considered
oncogenic
gas,
potential
therapeutic
target
for
treating
diagnosing
cancers,
due
its
mediating
development
tumorigenesis.
Here
this
review,
in-detail
up-to-date
explanation
different
malignancies
reported.
The
study
summarizes
synthesis
H2S,
roles,
signaling
routes,
expressions,
release
malignancies.
Considering
importance
biological
molecule,
we
believe
review
esteemed
journal
will
highlight
scientific
community.
Cell Reports,
Journal Year:
2022,
Volume and Issue:
38(10), P. 110479 - 110479
Published: March 1, 2022
Gut
microbiota
act
beyond
the
gastrointestinal
tract
to
regulate
physiology
of
host.
However,
their
contribution
antioxidant
capacity
host
remains
largely
understudied.
In
this
study,
we
observe
that
gut
bacteria
increase
steady-state
plasma
levels
high-antioxidant
molecules,
reactive
sulfur
species
(RSS),
such
as
hydrogen
sulfide
and
cysteine
persulfide
(CysSSH),
in
Moreover,
utilize
cystine
a
substrate
enzymatically
produce
CysSSH.
Administration
mice
increases
RSS
suppresses
concanavalin-A-induced
oxidative
stress
liver
damage
gut-microbiota-dependent
manner.
We
find
belonging
Lachnospiraceae
Ruminococcaceae
families
have
high
RSS,
requiring
pyridoxal
5′-phosphate
for
enzymatic
reactions.
Collectively,
our
data
demonstrate
enhance
through
generation
RSS.
Aging,
Journal Year:
2020,
Volume and Issue:
12(7), P. 6467 - 6485
Published: March 26, 2020
Nutrient
oversupply
and
mitochondrial
dysfunction
play
central
roles
in
nonalcoholic
fatty
liver
disease
(NAFLD).The
mitochondria
are
the
major
sites
of
β-oxidation,
a
catabolic
process
by
which
acids
broken
down.The
quality
control
(MQC)
system
includes
fission,
fusion,
mitophagy
redox
regulation,
is
essential
for
maintenance
functionality
structural
integrity
mitochondria.Excessive
uncontrolled
production
reactive
oxygen
species
(ROS)
damages
components,
including
membranes,
proteins
DNA
(mtDNA),
triggers
pathway
apoptosis.The
some
damaged
can
be
restored
fusion
with
normally
functioning
mitochondria,
but
when
severely
damaged,
segregated
from
remaining
functional
network
through
fission
eventually
degraded
via
autophagy,
also
called
as
mitophagy.In
this
review,
we
describe
functions
mechanisms
oxidative
stress
development
progression
NAFLD.
Antioxidants,
Journal Year:
2021,
Volume and Issue:
10(12), P. 1917 - 1917
Published: Nov. 29, 2021
One
of
the
most
striking
hallmarks
shared
by
various
neurodegenerative
diseases,
including
Parkinson’s
disease,
Alzheimer’s
disease
and
amyotrophic
lateral
sclerosis,
is
microglia-mediated
astrocyte-mediated
neuroinflammation.
Although
inhibitions
both
harmful
proteins
aggregation
are
major
treatments
for
whether
phenomenon
non-normal
protein
or
peptide
causally
related
to
neuronal
loss
synaptic
damage
still
controversial.
Currently,
excessive
production
reactive
oxygen
species
(ROS),
which
induces
mitochondrial
dysfunction
in
neurons
that
may
play
a
key
role
regulation
immune
cells,
proposed
as
regulator
neurological
disorders.
In
this
review,
we
propose
DNA
(mtDNA)
release
due
ROS
act
on
microglia
astrocytes
adjacent
induce
inflammation
through
activation
innate
responses
(such
cGAS/STING).
Elucidating
relationship
between
mtDNA
formation
pro-inflammatory
microenvironment
could
contribute
better
understanding
mechanism
crosstalk
peripheral
cells
lead
development
novel
therapeutic
approaches
diseases.
International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(19), P. 12495 - 12495
Published: Sept. 30, 2022
Neurodegenerative
and
neuronal-related
diseases
are
major
public
health
concerns.
Human
vulnerability
to
neurodegenerative
(NDDs)
increases
with
age.
Neuronal
hormones
neurotransmitters
determinant
factors
regulating
brain
structure
functions.
The
implications
of
environmental
climatic
changes
emerged
recently
as
influence
on
numerous
diseases.
However,
the
complex
interaction
neuronal
their
depletion
under
influences
NDDs
not
well
established
in
literature.
In
this
review,
we
aim
explore
connection
between
highlight
available
potential
therapeutic
interventions
that
could
use
improve
quality
life
reduce
susceptibility
NDDs.
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(3), P. 603 - 603
Published: March 1, 2023
3-mercaptopyruvate
sulfurtransferase
(3-MST)
plays
the
important
role
of
producing
hydrogen
sulfide.
Conserved
from
bacteria
to
Mammalia,
this
enzyme
is
localized
in
mitochondria
as
well
cytoplasm.
3-MST
mediates
reaction
with
dihydrolipoic
acid
and
thioredoxin
produce
Hydrogen
sulfide
also
produced
through
cystathionine
beta-synthase
gamma-lyase,
along
3-MST,
known
alleviate
a
variety
illnesses
such
cancer,
heart
disease,
neurological
conditions.
The
importance
gamma-lyase
biogenesis
well-described,
but
documentation
pathway
limited.
This
account
compiles
current
state
knowledge
about
physiology
pathology.
Attempts
at
targeting
for
therapeutic
benefit
are
discussed,
highlighting
potential
target.