Chemistry & Biodiversity,
Journal Year:
2022,
Volume and Issue:
19(9)
Published: Aug. 26, 2022
Reactive
oxygen
species
(ROS)
produced
by
cell
metabolism
have
a
duplex
role
in
oxidation
and
inflammation
reactions
which
involve
damage
or
repair
responses.
Excess
ROS
production
has
detrimental
effects
on
the
survival
of
cells.
We
examined
protective
effect
semi-natural
compound
NF2
(deacetylepoxyazadiradione),
for
its
activity
against
free
radical-mediated
stress
inflammatory
response
to
lipopolysaccharide
(LPS)
using
zebrafish
larvae.
Preliminary
antioxidant
assays
indicated
an
increase
scavenging
radicals
from
than
NF1
(Epoxyazadiradione)
concentration-dependent
manner.
Cell
cytotoxicity
was
determined
rat
myoblast
lines
(L6),
more
95
%
viability
obtained.
Zebrafish
developmental
toxicity
test
that
is
not
toxic
even
at
150
μM.
The
percentage
ROS,
lipid
peroxidation,
nitric
oxide
apoptosis
were
reduced
significantly
treated
LPS-stressed
number
employed
macrophages
treatment
observed
neutral
red
dye-marked
macrophage
localization
images.
Relative
expression
genes
larvae
after
with
increased.
RT-PCR
quantification
anti-inflammatory
gene
decreased
relative
folds
pro-inflammatory
cytokines,
iNOS
increased
mitochondrial
(GR,
GST
GPx)
LPS
stressed
NF2.
From
overall
obtained
results,
it
can
be
concluded
oxidative
caused
LPS.
Environmental Toxicology,
Journal Year:
2022,
Volume and Issue:
37(8), P. 1988 - 2004
Published: April 26, 2022
Parabens
are
synthetic
antimicrobial
compounds
used
as
a
preservative
for
extending
the
shelf
life
of
food,
pharmaceutical
and
cosmetic
products.
The
alkyl
chain
length
paraben
esters
positively
correlates
with
their
property.
Hence,
long-chain
esters,
namely
butylparaben
propylparaben,
in
combination
they
have
better
solubility
efficacy.
Extensive
use
parabens
has
now
resulted
ubiquitous
presence
these
various
human
environmental
matrices.
During
early
life,
exposure
to
contaminants
is
known
cause
oxidative-stress
mediated
apoptosis
developing
organs.
brain
being
one
high
oxygen-consuming,
metabolically
active
lipid-rich
organ,
it
primarily
susceptible
reactive
oxygen
species
(ROS)
lipid
peroxidation
(LP)
induced
neuronal
cell
death.
primary
impairment
cognitive
emotional
neurobehvioural
outcomes
neurodegenerative
disease
was
found
be
associated
apoptosis.
present
study
aimed
propylparaben's
effect
on
zebrafish
during
embryonic
stages.
Besides
this,
association
between
alteration
anxiety-like
neurobehavioral
response
oxidative
stress
antioxidant
status
head
region
also
studied.
results
showed
variation
toxic
signature
left
by
propylparaben
developmental
parameters
such
hatching
rate,
survival
non-lethal
malformations
time-dependent
manner.
Data
from
light-dark
preference
test
trigger
behavior
larvae.
In
addition,
significant
increase
intracellular
ROS
LP
levels
correlated
suppressed
enzymes:
superoxide
dismutases
(SOD),
catalases
(CAT),
Glutathione
peroxidase
(GPx),
glutathione
S-transferase
(GST),
(GSH)
activity
Acetylcholinesterase
(AChE)
exposed
groups,
along
increased
nitric
oxide
production.
overall
observations
show
indices
correlating
upregulated
expression
apoptotic
cells
dose-dependent
Collectively,
our
findings
reveal
an
anxiogenic
neuroactive
compound
capable
inducing
through
mechanism
involving
oxidative-stress-induced
larvae,
which
suggests
potential
hazard
this
can
extrapolated
health
well.
Pharmaceuticals,
Journal Year:
2022,
Volume and Issue:
15(8), P. 1008 - 1008
Published: Aug. 17, 2022
Alzheimer's
disease
(AD)
is
a
neurodegenerative
disorder
that
associated
with
abnormal
cognition.
AD
aided
in
its
initiation
and
progression
by
hereditary
environmental
factors.
Aluminum
(Al)
neurotoxic
agent
causes
oxidative
stress,
which
linked
to
progression.
Additionally,
Nrf2/HO-1,
APOE4/LRP1,
Wnt3/β-catenin,
TLR4/NLRP3
are
the
main
signaling
pathways
involved
pathogenesis.
Several
phytochemicals
promising
options
delaying
evolution.This
study
aimed
at
studying
neuroprotective
effects
of
some
as
morin
(MOR),
thymol
(TML),
thymoquinone
(TMQ)
on
physical
mental
activities
(PhM)
Al
chloride
(AlCl3)-induced
rat
model.
Another
objective
was
determine
specificity
using
molecular
docking.Eighty
male
Dawley
rats
were
divided
into
eight
groups.
Each
group
received:
saline
(control
group),
AlCl3,
(ALAD),
PhM,
either
alone
or
combination
MOR,
TML,
and/or
TMQ
for
five
weeks.
Animals
then
subjected
behavioral
evaluation.
Brain
tissues
used
histopathological
biochemical
analyses
extent
neurodegeneration.
The
effect
AlCl3-induced
stress
also
investigated.AlCl3
caused
decline
spatial
learning
memory,
well
changes
brains
rats.
Phytochemicals
combined
PhM
restored
antioxidant
activities,
increased
HO-1
Nrf2
levels,
blocked
inflammasome
activation,
apoptosis,
TLR4
expression,
amyloide-β
generation,
tau
hyperphophorylation.
They
brought
ApoE4
LRP1
levels
back
normal
regulated
Wnt3/β-catenin/GSK3β
pathway.The
use
strategy
reducing
modulating
TLR4/NLRP3,
Wnt3/β-catenin/GSK-3β
pathways.
Journal of King Saud University - Science,
Journal Year:
2022,
Volume and Issue:
34(3), P. 101861 - 101861
Published: Jan. 25, 2022
Oxidative
stress
causes
disruption
of
cell
macromolecules
and
resulting
neurodegeneration
when
the
antioxidant
defense
mechanism
is
inhibited.
emerging
as
a
key
therapeutic
target
for
nerve
agent
toxicity.
Therefore,
treatment
methods
are
novel
effective
approach
to
attenuate
oxidative
neurodegeneration.
This
study
evaluated
neuroprotective
ability
short
peptide,
RW20
derived
from
histone
acetyltransferases
(HATs).
Using
bioinformatics
tools,
amino
acid
sequence
RF13
peptide
with
activity
was
predicted
HAT
Channa
striatus
transcriptome.
The
synthesized
at
various
concentrations
(10–50
μM)
analyzed
in
vitro
vivo
assay.
effect
H2O2
stressed
zebrafish
larvae.
results
showed
by
restoring
enzymes
including
SOD,
CAT,
GPx,
GSH,
GST
treated
RW20.
In
addition,
indicator
lipid
peroxidation
gradually
declined
an
increase
concentration
peptides.
It
also
shown
neuronal
damage
inhibiting
nitric
oxide
overproduction,
thus
increasing
AChE
activity.
Further,
validate
RW20,
intracellular
ROS
level
apoptosis
larvae
were
incubating
along
which
decreased
reduced
death.
Overall,
demonstrated
that
possessed
prominent
Hence,
we
conclude
can
be
developed
potent
against
stress-induced
neurodegenerative
diseases.
iScience,
Journal Year:
2023,
Volume and Issue:
26(7), P. 107041 - 107041
Published: June 8, 2023
In
the
last
years,
extracellular
vesicles
(EVs)
from
different
plant
matrices
have
been
isolated
and
gained
interest
of
scientific
community
for
their
intriguing
biological
properties.
this
study,
we
characterized
nanovesicles
lemon
juice
(LNVs)
evaluated
antioxidant
effects.
We
tested
LNV
activity
using
human
dermal
fibroblasts
that
were
pre-treated
with
LNVs
24
h
then
stimulated
hydrogen
peroxide
(H