Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(7), P. 789 - 789
Published: June 28, 2024
Bone
defects
caused
by
trauma,
tumor
resection,
and
infections
are
significant
clinical
challenges.
Excessive
reactive
oxygen
species
(ROS)
usually
accumulate
in
the
defect
area,
which
may
impair
function
of
cells
involved
bone
formation,
posing
a
serious
challenge
for
repair.
Due
to
potent
ROS
scavenging
ability,
as
well
potential
anti-inflammatory
immunomodulatory
activities,
antioxidants
play
an
indispensable
role
maintenance
protection
health
have
gained
increasing
attention
recent
years.
This
narrative
review
aims
give
overview
main
research
directions
on
application
antioxidant
compounds
repair
over
past
decade.
In
addition,
positive
effects
various
their
biomaterial
delivery
systems
summarized
provide
new
insights
exploring
antioxidant-based
strategies
Cells,
Journal Year:
2023,
Volume and Issue:
12(11), P. 1545 - 1545
Published: June 4, 2023
Placentation
is
a
key
and
tightly
regulated
process
that
ensures
the
normal
development
of
placenta
fetal
growth.
Preeclampsia
(PE)
hypertensive
pregnancy-related
disorder
involving
about
5–8%
all
pregnancies
clinically
characterized
by
de
novo
maternal
hypertension
proteinuria.
In
addition,
PE
are
also
increased
oxidative
stress
inflammation.
The
NRF2/KEAP1
signaling
pathway
plays
an
important
role
in
protecting
cells
against
damage
due
to
reactive
oxygen
species
(ROS)
levels.
ROS
activate
NRF2,
allowing
its
binding
antioxidant
response
element
(ARE)
region
present
promoter
several
genes
such
as
heme
oxygenase,
catalase,
glutathione
peroxidase
superoxide
dismutase
neutralize
ROS,
damages.
this
review,
we
analyze
current
literature
regarding
preeclamptic
pregnancies,
discussing
main
cellular
modulators
pathway.
Moreover,
discuss
natural
synthetic
compounds
can
regulate
vivo
vitro
models.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(21), P. 15772 - 15772
Published: Oct. 30, 2023
Osteoporosis
is
a
widespread
systemic
disease
characterized
by
decrease
in
bone
mass
and
an
imbalance
of
the
microarchitecture
tissue.
Experimental
clinical
studies
devoted
to
investigating
main
pathogenetic
mechanisms
osteoporosis
revealed
important
role
estrogen
deficiency,
inflammation,
oxidative
stress,
cellular
senescence,
epigenetic
factors
development
resorption
due
osteoclastogenesis,
decreased
mineralization
tissue
formation
reduced
function
osteoblasts
caused
apoptosis
age-depended
differentiation
osteoblast
precursors
into
adipocytes.
The
current
review
was
conducted
describe
basic
at
molecular
levels
elucidate
most
promising
therapeutic
strategies
therapy
based
on
articles
cited
PubMed
up
September
2023.
Bone Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Feb. 18, 2024
Osteoporosis,
a
metabolic
bone
disease
characterized
by
low
mineral
density
and
deterioration
of
microarchitecture,
has
led
to
high
risk
fatal
osteoporotic
fractures
worldwide.
Accumulating
evidence
revealed
that
sexual
dimorphism
is
notable
feature
osteoporosis,
with
sex-specific
differences
in
epidemiology
pathogenesis.
Specifically,
females
are
more
susceptible
than
males
while
prone
disability
or
death
from
the
disease.
To
date,
sex
chromosome
abnormalities
steroid
hormones
have
been
proven
contribute
greatly
osteoporosis
regulating
functions
cells.
Understanding
its
related
complications
essential
for
improving
treatment
strategies
tailored
women
men.
This
literature
review
focuses
on
mechanisms
underlying
mainly
population
aging
patients,
chronic
glucocorticoid
administration,
diabetes.
Moreover,
we
highlight
implications
developing
therapeutics
preventive
screening
approaches
Additionally,
challenges
translating
bench
research
bedside
treatments
future
directions
overcome
these
obstacles
will
be
discussed.
Postgraduate Medicine,
Journal Year:
2024,
Volume and Issue:
136(4), P. 406 - 416
Published: May 16, 2024
This
study
sought
to
investigate
the
relationship
between
systemic
inflammatory
response
index
(SIRI)
and
bone
mineral
density
(BMD),
osteoporosis,
future
fracture
risk
in
elderly
hypertensive
patients.
Inflammopharmacology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Maejo
341
Sweet
potato
(MSP)
is
a
new
purple
sweet
variety
cultivated
in
Northern
Thailand,
but
its
health
benefits
are
unknown.
This
study
aimed
to
investigate
antioxidant,
anti-inflammatory,
and
anti-osteoporotic
activities,
as
well
anthocyanin
content.
The
peel
flesh
of
MSP
were
extracted
with
ethanol
water.
Compared
the
extracts,
extracts
presented
greater
antioxidant
capacity
rich
phenolics,
flavonoids,
anthocyanins,
namely,
cyanidin-3-O-glucoside,
peonidin-3-O-glucoside,
pelargonidin-3-O-glucoside,
cyanidin,
peonidin.
suppressed
lipopolysaccharide-induced
inflammation
by
inhibiting
secretion
proinflammatory
cytokines
enzymes,
including
TNF-α,
IL-1β,
IL-6,
COX-2,
iNOS,
reducing
nitric
oxide
matrix
metalloproteinase-9
secretion.
inhibited
RANKL-induced
NF-κB
MAPK
pathways
downregulated
osteoclastogenic
marker
expression.
Under
LPS
RANKL
treatment,
notably
reduced
reactive
oxygen
species
production
while
increasing
gene
Furthermore,
they
increased
osteoblast
viability
slightly
raise
alkaline
phosphatase
activity.
These
findings
suggest
that
could
be
used
functional
food
alleviate
oxidative
stress
inflammation-related
osteoporosis.
Frontiers in Pharmacology,
Journal Year:
2023,
Volume and Issue:
14
Published: June 27, 2023
A
metabolic
bone
disorder
called
osteoporosis
is
characterized
by
decreased
mass
and
compromised
microarchitecture.
This
condition
can
deteriorate
bones
raise
the
risk
of
fractures.
The
two
main
causes
are
an
increase
in
osteoclast
activity
or
quantity
a
decrease
osteoblast
viability.
Numerous
mechanisms,
including
estrogen
shortage,
aging,
chemical
agents,
mechanical
loads,
have
been
linked
to
osteoporosis.
Inflammation
oxidative
stress
recently
osteoporosis,
according
increasing
number
studies.
primary
medications
used
treat
at
moment
bisphosphonates
selective
receptor
modulators
(SERMs).
These
work
well
for
brought
on
aging
deprivation,
however,
they
do
not
target
inflammation
stress-induced
In
addition,
these
drugs
some
limitations
that
attributed
various
side
effects
overcome.
Traditional
Chinese
medicine
(TCM)
has
applied
many
years
high
safety
profile.
Therefore,
this
review,
literature
related
botanical
effect
was
searched
for.
Moreover,
pharmacologically
active
ingredients
herbs
pathways
were
discussed
may
contribute
discovery
more
safe
effective
treatment
Environmental Toxicology,
Journal Year:
2024,
Volume and Issue:
39(7), P. 4066 - 4085
Published: May 10, 2024
Abstract
Osteoporosis
(OP)
can
result
in
slower
bone
regeneration
than
the
normal
condition
due
to
abnormal
oxidative
stress
and
high
levels
of
reactive
oxygen
species
(ROS),
a
detrimental
for
formation,
making
OP‐related
healing
significant
clinical
challenge.
As
osteogenic
differentiation
ability
marrow
mesenchymal
stem
cells
(BMSCs)
is
closely
related
regeneration;
currently,
this
study
assessed
effects
Picein
on
BMSCs
vitro
osteoporotic
defect
vivo.
Cell
viability
was
determined
by
CCK‐8
assay.
The
production
malonaldehyde,
superoxide
dismutase
activities,
glutathione
evaluated
using
commercially
available
kits,
flow
cytometry
analysis
adopted
detect
macrophage
polarization.
Osteogenic
capacity
alkaline
phosphatase
(ALP)
activity,
ALP
staining,
Alizarin
red
S
staining.
expression
osteogenic‐related
proteins
(OPN,
Runx‐2,
OCN)
genes
(ALP,
BMP‐4,
COL‐1,
Osterix)
were
Western
blotting
real‐time
PCR
(RT‐PCR).
In
addition,
proliferation,
migration
ability,
angiogenic
human
umbilical
vein
endothelial
(HUVECs)
EdU
scratch
test,
transwell
assay,
tube
formation
respectively.
Angiogenic‐related
(VEGF,
vWF,
CD31)
also
RT‐PCR.
Results
showed
that
alleviated
erastin‐induced
stress,
enhanced
BMSCs,
angiogenesis
HUVECs,
protects
against
ferroptosis
through
Nrf2/HO‐1/GPX4
axis.
Moreover,
regulate
immune
microenvironment
promoting
polarization
M2
macrophages
vitro.
reduce
inflammation
promotes
OP
rat
models
Altogether,
these
results
suggested
promote
alleviate
via
pathway,
offering
as
novel
antioxidant
agent
treating
defect.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(1), P. 66 - 66
Published: Jan. 1, 2024
The
prolonged
use
of
exogenous
glucocorticoids,
such
as
dexamethasone
(Dex),
is
the
most
prevalent
secondary
cause
osteoporosis,
known
glucocorticoid-induced
osteoporosis
(GIO).
current
study
examined
preventative
and
synergistic
effect
aqueous
chicory
extract
(ACE)
ethanolic
purslane
(EPE)
on
GIO
compared
with
Alendronate
(ALN).
phytochemical
contents,
elemental
analysis,
antioxidant
scavenging
activity,
ACE
EPE
combination
index
were
evaluated.
Rats
randomly
divided
into
control,
ACE,
EPE,
ACE/EPE
MIX
groups
(100
mg/kg
orally),
Dex
group
(received
1.5
mg
Dex/kg,
Sc),
four
treated
received
MIX,
ALN
Dex.
bone
mineral
density
content,
index,
growth,
turnover,
oxidative
stress
measured.
molecular
analysis
RANK/RANKL/OPG
Nrf2/HO-1
pathways
also
causes
by
increasing
stress,
decreasing
markers,
reducing
growth
markers
(OPG
OCN),
turnover
resorption
(NFATc1,
RANKL,
ACP,
ALP,
IL-6,
TNF-α).
In
contrast,
showed
a
prophylactic
against
Dex-induced
modulating
measured
parameters
histopathological
architecture.
conclusion,
exerts
powerful
mode
action
different
from
ALN.