Mechanisms and Target Parameters in Relation to Polycystic Ovary Syndrome and Physical Exercise: Focus on the Master Triad of Hormonal Changes, Oxidative Stress, and Inflammation
Biomedicines,
Год журнала:
2024,
Номер
12(3), С. 560 - 560
Опубликована: Март 1, 2024
Polycystic
ovary
syndrome
(PCOS)
is
a
common
endocrine
disorder
among
females
of
reproductive
age
with
heterogeneous
prevalence.
It
well
known
that
female
competence
depends
on
the
dynamic
regulation
hypothalamic–pituitary–gonadal
(HPG)
axis;
therefore,
disruption
this
highly
regulated
system
leads
to
fertility
problems.
Among
disruptors,
both
oxidative
stress
and
inflammation
contribute
an
increased
LH-FSH
ratio
consequent
hyperandrogenism.
Shifts
in
bidirectional
interplay
between
neuroendocrine
oxidative/inflammatory
homeostasis
result
accumulation
reactive
oxygen/nitrogen
species
inflammatory
markers
as
alterations
antioxidant
defense
mechanisms.
Evidence
shows
lifestyle
changes,
including
regular
physical
exercise,
are
recognized
most
effective
first-line
management
reduce
severity
PCOS
symptoms.
The
aim
our
narrative
review
provide
insights
into
mechanisms
target
factors
PCOS-related
hormonal
oxidative/antioxidant
homeostasis,
inflammation,
discuss
effects
which
takes
account
various
factors,
relation
PCOS.
A
better
understanding
PCOS-associated
circuits,
exercise-induced
action
those
targets
may
improve
quality
life
women
Язык: Английский
Abdominal Obesity in Women with Polycystic Ovary Syndrome and Its Relationship with Diet, Physical Activity and Insulin Resistance: A Pilot Study
Nutrients,
Год журнала:
2023,
Номер
15(16), С. 3652 - 3652
Опубликована: Авг. 20, 2023
Abdominal
obesity
is
a
common
feature
of
women
with
polycystic
ovary
syndrome
(PCOS),
and
it
known
to
exacerbate
insulin
resistance
(IR).
Improper
dietary
physical
activity
patterns
are
crucial
environmental
factors
involved
in
the
development
obesity,
they
can
significantly
influence
central
deposition
adipose
tissue.
Therefore,
this
cross-sectional
study,
we
aimed
evaluate
relationship
between
abdominal
adiposity
(measured
by
VAT
(visceral
tissue),
SAT
(subcutaneous
VAT/SAT
ratio
subcutaneous
fat
ratio),
WHR
(waist-to-hip
ratio))
prevalence
odds
ratios
IR
homeostatic
model
assessment
(HOMA-IR),
assessment-adiponectin
(HOMA-AD)
leptin
adiponectin
(L/A
56
PCOS
women.
Furthermore,
investigated
these
indices
diet
activity.
An
original
food
frequency
questionnaire
Actigraph
GT3X-BT
were
used
assess
adherence
recommended
level
activity,
respectively.
We
observed
higher
among
VAT,
VAT/SAT,
values
compared
normal
those
indices.
Moreover,
seemed
be
best
predictor
measured
HOMA-IR
HOMA-AD.
However,
appeared
strongest
L/A
ratio.
also
that
levels
vigorous
associated
lower
accumulation
greater
chance
their
values.
Our
findings
indicate
increases
supports
beneficial
role
management
Язык: Английский
Role of nuclear factor erythroid 2-related factor 2 (Nrf2) in female and male fertility
Heliyon,
Год журнала:
2024,
Номер
10(9), С. e29752 - e29752
Опубликована: Апрель 17, 2024
Oxidative
stress
refers
to
a
condition
where
there
is
an
imbalance
between
the
production
of
reactive
oxygen
species
and
their
removal
by
antioxidants.
While
function
as
specific
second
messengers
under
physiological
conditions
necessary,
overproduction
can
lead
numerous
instances
cell
tissue
damage.
Nuclear
factor
erythroid
2-related
2
(Nrf2)
master
regulator
many
cytoprotective
genes
that
respond
redox
stresses.
Nrf2
regularly
degraded
kelch-like
ECH-associated
protein
1
through
ubiquitin-proteasome
pathway.
The
complex
have
attracted
attention
in
both
basic
clinical
infertility
research
fields.
implicated
pathogenesis
female
infertility,
including
primary
ovarian
insufficiency,
polycystic
syndrome,
endometriosis,
well
male
namely
varicocele,
cryptorchidism,
spermatic
cord
torsion,
orchitis.
Most
scientists
believe
potential
therapeutic
method
disorders
due
its
antioxidant
effect.
Here,
roles
oxidative
are
reviewed.
Moreover,
key
role
inhibition
or
induction
these
diseases
discussed.
Язык: Английский
Fisetin mitigates letrozole-induced polycystic ovarian syndrome in rats: crosstalk of AMPK/PI3K/AKT-mediated-Nrf2 antioxidant defense mechanism and the inflammasome NLRP3/NF-κB P65/IL-1β signaling pathways
Naunyn-Schmiedeberg s Archives of Pharmacology,
Год журнала:
2024,
Номер
397(10), С. 8077 - 8088
Опубликована: Май 24, 2024
Язык: Английский
Oxidative stress and energy metabolism abnormalities in polycystic ovary syndrome: from mechanisms to therapeutic strategies
Reproductive Biology and Endocrinology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Дек. 26, 2024
Polycystic
ovary
syndrome
(PCOS),
as
a
common
endocrine
and
metabolic
disorder,
is
often
regarded
primary
cause
of
anovulatory
infertility
in
women.
The
pathogenesis
PCOS
complex
influenced
by
multiple
factors.
Emerging
evidence
highlights
that
energy
metabolism
dysfunction
oxidative
stress
granulosa
cells
(GCs)
are
pivotal
contributors
to
aberrant
follicular
development
impaired
fertility
patients.
Mitochondrial
dysfunction,
increased
stress,
disrupted
glucose
frequently
observed
individuals
with
PCOS,
collectively
leading
compromised
oocyte
quality.
This
review
delves
into
the
mechanisms
linking
abnormalities
analyzing
their
adverse
effects
on
reproductive
function.
Furthermore,
potential
therapeutic
strategies
mitigate
disturbances
proposed,
providing
theoretical
basis
for
advancing
clinical
management
PCOS.
Язык: Английский
Aqueous Ethanolic Extract of Inonotus obliquus Ameliorates Polycystic Ovarian Syndrome by Modulating Oxidative Stress and Downregulating TNF-α and Interleukin-6
Journal of Food Biochemistry,
Год журнала:
2024,
Номер
2024, С. 1 - 17
Опубликована: Май 21, 2024
Polycystic
ovarian
syndrome
(PCOS)
is
a
complex
metabolic
and
endocrine
disorder
with
multifactorial
etiology
pathogenesis.
These
intrinsic
physiological
changes
cause
anovulation,
infertility,
miscarriage
in
women
exacerbate
their
chances
of
becoming
hyperlipidemic
diabetic.
Inonotus
obliquus
has
been
used
traditionally
for
infertility
problems.
The
present
study
aimed
to
investigate
the
therapeutic
effects
aqueous
ethanolic
extract
(AEIO)
female
rats
letrozole-induced
PCOS,
along
determination
its
possible
mechanism.
HPLC
analysis
revealed
presence
gallic
acid,
chlorogenic
rutin,
p
-coumaric,
benzoic
quercetin,
salicylic
kaempferol.
Thirty
albino
were
acquired
divided
into
two
groups
(5
+
25)
induce
PCOS.
Letrozole
(1
mg/kg)
was
disease
7
weeks
(25
rats)
except
normal
control
rats).
confirmed
by
vaginal
smear
cytology,
weight
gain,
endocrinopathy.
After
induction,
five
(five
each
group;
control,
metformin
20
mg/kg,
AEIO
100,
300,
500
mg/kg).
completion
study,
animals
euthanized
under
influence
anesthesia
(chloroform).
Ovaries
removed
histopathology,
liver
evaluated
oxidative
stress
biomarkers,
blood
samples
collected
biochemical
evaluation.
Ovarian
histopathology
showed
an
abnormal
architecture
cystic
follicles
granulosa
cells.
Interestingly,
treatment
restored
histology
primary,
growing,
developing
follicles.
conducting
hormonal
analysis,
it
found
that
induction
PCOS
led
significant
increase
(p
<
0.001)
luteinizing
hormone
(LH),
insulin,
testosterone
levels,
while
levels
follicle-stimulating
(FSH)
decreased.
However,
at
doses
100–500
mg/kg
these
normal.
also
resulted
lipid
peroxidation
significantly
decreasing
antioxidant
enzymatic
markers
(SOD,
CAT,
GSH)
increasing
(MDA).
superoxide
dismutase
(SOD),
catalase
(CAT),
glutathione
(GSH),
reduced
level
malondialdehyde
In
conclusion,
phytochemicals
(gallic
kaempferol)
rich
alleviated
symptomatology
through
modulating
eliminating
low-grade
inflammation
downregulating
expression
NF-
κ
B
associated
TNF-
α
IL-6.
Язык: Английский
Evaluation of the efficacy of an antioxidant combination for the modulation of metabolic, endocrine, and clinical parameters in patients with polycystic ovary syndrome
Carmen Pingarrón Santofímia,
Sílvia Poyo Torcal,
Helena López Verdú
и другие.
Gynecological Endocrinology,
Год журнала:
2023,
Номер
39(1)
Опубликована: Июнь 25, 2023
Objective
To
evaluate
the
efficacy
of
dietary
supplementation
with
a
combination
antioxidants
(lipoic
acid,
N-acetylcysteine,
vitamin
B6,
and
S-adenosyl-L-methionine)
for
modulation
metabolic,
endocrine,
clinical
parameters
in
comparison
oral
contraception
non-diabetic
women
newly
diagnosed
polycystic
ovary
syndrome
(PCOS).Methods
This
was
prospective,
partially
randomized,
multicenter
study
which
PCOS
were
recruited
under
routine
practice
conditions
distributed
three
groups
to
receive
following
regimen
6
months:
1)
antioxidant
(MN
group);
2)
(OC
or
3)
+
OC
group).
General
recommendation
healthy
diet
regular
exercise
given
all
patients.
Metabolic,
clinical,
quality
life
recorded
at
baseline
after
months
therapy.Results
A
total
96
included
study.
After
treatment,
homeostasis
model
assessment-estimated
insulin
resistance
(HOMA-IR)
level
reduced
only
MN
group,
significant
mean
reduction
−0.92
points.
Androstenedione
significantly
groups.
Clinical
that
improved
hirsutism,
acne,
irregular
menstruation,
life,
no
statistical
differences
between
groups.Conclusions
showed
might
be
suitable
therapy
patients
when
contraceptive
is
not
indicated,
because
parameters,
menstruation
as
well
androstenedione
difference
Язык: Английский
Bilirubin Concentration in Follicular Fluid Is Increased in Infertile Females, Correlates with Decreased Antioxidant Levels and Increased Nitric Oxide Metabolites, and Negatively Affects Outcome Measures of In Vitro Fertilization
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(13), С. 10707 - 10707
Опубликована: Июнь 27, 2023
In
a
previous
study,
we
showed
that
various
low-molecular-weight
compounds
in
follicular
fluid
(FF)
samples
of
control
fertile
females
(CFF)
have
different
concentrations
compared
to
those
found
FF
infertile
(IF),
before
and
after
their
categorization
into
subgroups,
according
clinical
diagnosis
infertility.
Using
the
same
this
here
analyzed
free
bound
bilirubin
results
obtained
CFF,
IF
subgroups
(endometriosis,
EM,
polycystic
ovary
syndrome,
PCOS,
age-related
reduced
ovarian
reserve,
AR-ROR,
ROR,
genetic
infertility,
GI
unexplained
UI).
The
clearly
indicated
CFF
had
lower
values
free,
total
respective
measured
pooled
IF.
These
differences
were
observed
even
when
categorized
UI,
with
EM
PCOS
showing
highest
among
six
subgroups.
ascorbic
acid,
GSH
nitrite
+
nitrate
donors,
increased
as
function
decreased
acid
GSH,
nitrate.
negatively
correlated
parameters
fertilization
procedures
(number
retrieved
oocytes,
mature
fertilized
blastocysts,
high-quality
blastocysts)
pregnancies
birth
rates.
Bilirubin
not
linked
serum
thereby
strongly
suggesting
its
over
production
was
due
higher
activity
heme
oxygenase-1
(HO-1),
key
enzyme
responsible
for
formation,
granulosa
cells,
or
cumulus
cells
oocytes
ultimately
leading
accumulation
FF.
Since
HO-1
is
one
main
enzymatic
intracellular
mechanisms
defense
towards
external
insults
(oxidative/nitrosative
stress,
inflammation),
since
correlations
oxidative/nitrosative
stress
these
samples,
it
may
reasonably
be
supposed
increase
result
protracted
exposures
aforementioned
evidently
playing
relevant
roles
female
Язык: Английский
Croton hirtus attenuating streptozotocin-induced neuroinflammation in rats
Digital Chinese Medicine,
Год журнала:
2023,
Номер
6(3), С. 295 - 306
Опубликована: Сен. 1, 2023
The
present
study
was
aimed
to
investigate
the
neuroprotective
effect
of
Croton
hirtus
(CH)
extract
against
streptozotocin
(STZ)
in
rats.
(i)
sub-chronic
toxicity
consisted
24
adult
rats
either
sex
weighing
from
160
200
g
were
divided
into
four
groups
with
six
each
group.
Rats
group
1
received
Dimethyl
sulfoxide
(DMSO)
mixed
saline;
2,
3,
and
4
100,
200,
400
mg/kg
methanolic
CH
(MECH)
orally
by
gavage
administration
for
28
d,
respectively.
functional
observation
battery
locomotor
activity
graded
as
part
their
neurobehavioral
brain
regions,
including
cortex
hippocampus,
analyzed
neuropathological
abnormalities.
(ii)
main
research
30
male
Wistar
g,
which
five
group,
control
(I),
STZ
(II),
Donepezil
(III),
MECH
(100
mg/kg,
IV),
(200
V)
groups.
I
citrate
buffer
DMSO
saline
14
d.
II
via
intracerebroventricular
injection
(3
bilateral
ICV-STZ)
on
days
3
followed
III,
IV,
V
[3
mg/(kg·d),
p.o.]
[100
tested
learning
memory
parameters
such
Morris
water
maze
(MWM)
passive
avoidance
test
(PAT).
They
sacrificed
after
completing
behavioural
experiments;
brains
harvested
estimate
acetylcholinesterase
(AChE),
lipid
peroxidation
(LPO),
glutathione
(GSH),
superoxide
dismutase
(SOD)
using
UV-Visible
Spectrophotometer;
caspase-3
evaluated
total
fluorescence
emission
spectra;
amyloid
β
(Aβ)
levels
detected
enzyme-linked
immuosorbent
assay
(ELISA);
histopathological
examination
conducted
CA1
region
hippocampus.
results
revealed
that
open
field
line
crossing,
rearing,
entering
middle
square,
defecating,
or
urinating
did
not
differ
significantly
(P
>
0.05).
show
any
lesions
neuronal
cells
inflammation
both
regions
compared
findings
demonstrated
STZ-treated
showed
a
significant
increase
impairment
<
0.001),
AChE,
caspase-3,
Aβ
(1-40
1-42),
LPO
increased
decrease
found
SOD
0.001)
GSH
0.01).
Moreover,
damage
In
contrast,
STZ-induced
biochemical
impairments
considerably
decreased
treatment
dose-dependently.
prevented
deficit
induced
due
antioxidant
action.
Restoration
cholinergic
functioning
may
be
cause
improvement.
Therefore,
able
treat
cognitive
disorders
like
Alzheimer's
disease
(AD).
Язык: Английский