Reproduction in Domestic Animals,
Journal Year:
2020,
Volume and Issue:
55(12), P. 1714 - 1724
Published: Sept. 24, 2020
Boar
sperm
are
susceptible
to
oxidative
damage
caused
by
reactive
oxygen
species
(ROS)
during
storage.
Adenosine
monophosphate
(AMP)-activated
protein
kinase
(AMPK)
is
an
important
therapeutic
target,
because
it
a
cellular
metabolism
energy
sensor
and
key
signalling
in
spermatozoa.
We
evaluated
the
effects
of
rosmarinic
acid
(RA),
antioxidant,
on
boar
liquid
storage
determine
whether
protects
via
AMPK
activation.
ejaculates
were
diluted
with
Modena
extender
different
concentrations
RA
stored
at
17°C
for
9
days.
Sperm
quality
parameters,
antioxidant
capacity,
metabolism,
phosphorylation
fertility
analysed.
Compared
control,
40
μmol/L
significantly
improved
motility,
plasma
membrane
integrity
acrosome
(p
<
.05).
The
effective
time
was
up
On
third
seventh
days,
exhibited
increased
total
capacity
(T-AOC),
superoxide
dismutase
(SOD)
activity,
adenosine
triphosphate
(ATP)
content,
mitochondrial
potential
(ΔΨm)
glyceraldehyde-3-phosphate
dehydrogenase
(GAPDH)
whereas
malondialdehyde
(MDA)
content
decreased
Western
blot
showed
that
RA,
as
well
AICAR
(AMPK
activator),
promoted
phosphorylation,
Compound
C
inhibitor)
inhibited
this
effect.
sperm-zona
pellucida
binding
experiment
number
attached
zona
These
findings
suggest
meaningful
methods
preservation
vitro
provide
new
insights
into
mechanism
which
cells
from
Frontiers in Cell and Developmental Biology,
Journal Year:
2020,
Volume and Issue:
8
Published: Nov. 19, 2020
Reproduction
is
an
energy
demanding
function
and
only
take
place
in
case
of
sufficient
available
status
mammals.
Metabolic
diseases
such
as
anorexia
nervosa
are
clinically
associated
with
reduced
fertility.
AMP-activated
protein
kinase
(AMPK),
a
major
regulator
cellular
homeostasis,
activated
limited
reserves
to
ensure
the
orderly
progress
various
physiological
activities.
In
recent
years,
mounting
evidence
shows
that
AMPK
involved
regulation
reproductive
through
multiple
mechanisms.
likely
be
metabolic
sensor
integrating
central
peripheral
signals.
this
review,
we
aim
explore
preclinical
studies
published
last
decade
investigate
role
field,
its
target
for
drug
therapy
system-related
diseases.
We
also
emphasized
emerging
roles
transcriptional
reproduction
processes
metabolisms,
which
tightly
related
state
fertility
organism.
Frontiers in Cell and Developmental Biology,
Journal Year:
2021,
Volume and Issue:
9
Published: Oct. 21, 2021
Numerous
factors
trigger
male
infertility,
including
lifestyle,
the
environment,
health,
medical
resources
and
pathogenic
microorganism
infections.
Bacterial
infections
of
reproductive
system
can
cause
various
diseases.
Several
organs,
such
as
testicles,
have
unique
immune
functions
that
protect
germ
cells
from
damage.
In
system,
recognize
pathogen-associated
molecular
patterns
carried
by
microorganisms
activate
host’s
innate
response.
Furthermore,
bacterial
lead
to
oxidative
stress
through
multiple
signaling
pathways.
Many
studies
revealed
serves
dual
functions:
moderate
help
clear
invaders
maintain
sperm
motility,
but
excessive
will
induce
host
Additionally,
is
always
accompanied
autophagy
which
also
homeostasis.
Male
homeostasis
disequilibrium
inflammation
genitourinary
influence
spermatogenesis,
even
infertility.
Here,
we
focus
on
effect
infection
in
explore
crosslink
between
during
this
process.
Cells,
Journal Year:
2023,
Volume and Issue:
12(9), P. 1322 - 1322
Published: May 5, 2023
Physiologically,
autophagy
is
an
evolutionarily
conserved
and
self-degradative
process
in
cells.
Autophagy
carries
out
normal
physiological
roles
throughout
mammalian
life.
Accumulating
evidence
shows
as
a
mechanism
for
cellular
growth,
development,
differentiation,
survival,
homeostasis.
In
male
reproductive
systems,
spermatogenesis
steroidogenesis
need
balance
between
degradation
energy
supply
to
preserve
metabolic
The
main
of
includes
the
formation
maturation
phagophore,
autophagosome,
autolysosome.
controlled
by
group
autophagy-related
genes
that
form
core
machinery
autophagy.
Three
types
mechanisms
have
been
discovered
cells:
macroautophagy,
microautophagy,
chaperone-mediated
classified
non-selective
or
selective.
Non-selective
macroautophagy
randomly
engulfs
cytoplasmic
components
autophagosomes
are
degraded
lysosomal
enzymes.
While
selective
precisely
identifies
degrades
specific
element,
current
findings
shown
novel
functional
reproduction.
It
has
recognized
dysfunction
can
be
associated
with
infertility.
Overall,
this
review
provides
overview
molecular
basics
summarizes
latest
on
key
role
physiology.
Veterinary Sciences,
Journal Year:
2023,
Volume and Issue:
10(3), P. 214 - 214
Published: March 10, 2023
Activation
of
the
AMP-activated
protein
kinase
(AMPK)
has
been
demonstrated
to
be
beneficial
for
boar
sperm
quality
and
functionality,
while
underlying
mechanism
AMPK
activation
spermatozoa
remains
obscure.
This
study
aimed
explore
effect
antioxidants
oxidants
in
their
surrounding
fluid
(SF)
on
during
liquid
storage.
Ejaculates
from
Duroc
boars,
routinely
used
semen
production,
were
collected
diluted
a
final
concentration
25
×
106/mL.
In
experiment
1,
twenty-five
samples
eighteen
boars
stored
at
17
°C
7
days.
2,
three
pooled
created
nine
ejaculates
used,
each
sample
was
treated
with
0,
0.1,
0.2,
0.4
μM/L
H2O2
3
h.
Sperm
SF,
intracellular
AMP/ATP
ratio,
expression
levels
phosphorylated
(Thr172)
determined.
significantly
decreased
storage
time
terms
viability
(p
<
0.05).
Antioxidant
oxidant
markedly
affected
time,
decline
SF
total
antioxidant
capacity
(TAC)
0.05),
malondialdehyde
(MDA)
sperm's
status
(TOS),
as
well
fluctuation
superoxidase
dismutase-like
(SOD-like)
activity
The
ratio
increased
0.05)
day
4
subsequently
its
lowest
value
days
6
2
Correlation
analyses
indicate
that
correlated
which
phosphorylation
Treatment
induced
damages
(SF
TAC,
p
0.05;
SOD-like
activity,
0.01),
an
increase
MDA,
ROS
higher
comparison
control.
results
suggest
are
involved
Drosophila
is
a
powerful
model
to
study
how
lipids
affect
spermatogenesis.
Yet,
the
contribution
of
neutral
lipids,
major
lipid
group
which
resides
in
organelles
called
droplets
(LD),
sperm
development
largely
unknown.
Emerging
evidence
suggests
LD
are
present
testis
and
that
loss
lipid-
LD-associated
genes
causes
subfertility;
however,
key
regulators
remain
unclear.
Here,
we
show
early-stage
somatic
germline
cells
within
testis.
We
identified
role
for
triglyceride
lipase
brummer
(
bmm
)
regulating
LD,
found
whole-body
leads
defects
development.
Importantly,
these
represent
cell-autonomous
roles
Because
lipidomic
analysis
mutants
revealed
excess
accumulation,
spermatogenic
were
rescued
by
genetically
blocking
synthesis,
our
data
suggest
-mediated
regulation
influences
This
identifies
as
an
important
contributes
development,
reveals
levels
during
Biomedicine & Pharmacotherapy,
Journal Year:
2020,
Volume and Issue:
133, P. 111085 - 111085
Published: Dec. 9, 2020
Obesity
is
a
significant
global
health
and
socio-economic
challenge,
considered
an
important
risk
factor
for
poor
outcomes
including
male
reproductive
dysfunction
infertility.
As
excess
adiposity
causes
testicular
infertility,
novel
therapeutic
strategies
require
investigation.
Nigella
sativa
(Ns)
seed
oil
metformin
have
both
demonstrated
potential
positive
effect
on
obesity,
although
remain
poorly
investigated
in
fertility.
Therefore,
this
study
aimed
to
determine
the
of
Ns
total
body
weight
(TBW),
mitochondrial
membrane
(MMP),
serum
testosterone
semen
parameters
obese
animal
model.
Wistar
rats
(n
=
54)
were
divided
into
six
groups:
normal
chow
(NC),
high
sugar
diet
(HSD)
only,
HSD
saline,
(75
mg/Kg/day),
(200
mg/Kg/day)
(NS200),
(400
(NS400).
Intervention
was
force
fed
last
8
weeks
14
dietary
exposures.
Results
showed
that
increased
TBW
(P
0.001)
reduced
sperm
concentration
0.013)
progressive
motility
0.009)
compared
NC
group.
Metformin,
NS200
NS400
improved
0.035,
P
0.006
0.005,
respectively)
<
saline
group,
where
0.001
0.049,
MMP
0.001).
There
no
changes
viability
all
experimental
exposures,
0.047)
negatively
affected
viability.
Metformin
may
be
treatment
options
obesity-induced
negative
impact
cautioned
dose
Ns.
These
results
warrant
further
investigation
management
infertile
males.
Poultry Science,
Journal Year:
2021,
Volume and Issue:
100(9), P. 101290 - 101290
Published: May 27, 2021
Avian
spermatozoa
are
highly
susceptible
to
reactive
oxygen
species
(ROS)
produced
during
the
cryopreservation.
The
aim
of
current
study
was
investigate
antioxidant
effects
resveratrol
(RSV)
rooster
semen
Changes
in
expression
AMP-activated
protein
kinase
as
a
possible
mechanism
behind
beneficial
were
also
evaluated.
Semen
samples
collected
from
ten
Ross
broiler
breeders
(52-wk)
using
abdominal
massage,
then
divided
into
4
equal
aliquots
and
cryopreserved
Beltsville
extender
that
contained
different
concentrations
(0
µM,
0.01µM,
0.1µM,
1µM)
RSV.
higher
percentage
(P
<
0.05)
total
motility
membrane
integrity
observed
RSV-0.1
compared
other
frozen
groups.
Moreover,
sperm
mitochondrial
activity
RSV-0.01
control
0.05).
lowest
apoptotic
like
changes
found
comparison
groups
RSV-1
levels
H2O2
O2−
groups,
respectively.
Malondialdehyde
(MDA)
concentration,
velocity
average
path
(VAP),
linearity
(LIN)
not
affected
by
RSV
>
We
dose-dependent
increase
exposed
Thus,
increased
phosphorylation
but
had
no
positive
on
post
thaw
parameters.
Our
findings
suggest
improve
thawed
functions,
these
might
be
mediated
through
activation
kinase.