Animals,
Год журнала:
2021,
Номер
11(7), С. 1885 - 1885
Опубликована: Июнь 24, 2021
Genetic
resource
banks
(GRB)
preserve
the
genetic
material
of
endangered,
valuable
individuals
or
genetically
relevant
breeds.
Semen
cryopreservation
is
a
crucial
technique
to
reach
these
goals.
Thus,
we
aimed
assess
sperm
parameters
semen
doses
from
native
pig
breed
Gochu
Asturcelta
stored
at
GRB
Principado
de
Asturias
(GRB-PA,
Gijón,
Spain),
focusing
on
intrinsic
and
extrinsic
(boar,
season)
factors.
Two
straws
per
boar
(n
=
18,
8–71
months
age)
were
thawed,
pooled,
assessed
after
30
150
min
37
°C
by
CASA
(computer-assisted
analysis
system;
motility
kinematic
parameters)
flow
cytometry
(viability,
acrosomal
status,
mitochondrial
activity,
apoptosis,
reactive
oxygen
species,
chromatin
status).
The
effects
age,
incubation,
season
post-thawing
quality
determined
using
linear
mixed-effects
models.
Parameters
range
for
commercial
breeds,
with
status
(SCSA:
fragmentation
immaturity)
being
excellent.
Incubation
decreased
functionality.
age
did
not
have
significant
effect
(p
>
0.05),
but
between-boar
variability
was
<
0.001).
significantly
affected
many
(motility,
kinematics,
viability,
activity),
especially
incubation.
In
general,
samples
collected
in
spring
summer
showed
higher
post-thawing,
lowest
winter.
conclusion,
GRB-PA
excellent
acceptable
characteristics
thawing.
Therefore,
seasonal
this
autochthonous
could
be
cryobank
management.
Journal of Proteome Research,
Год журнала:
2021,
Номер
20(5), С. 2435 - 2446
Опубликована: Март 3, 2021
Although
cryopreservation
is
widely
used
in
animal
breeding,
the
technique
still
suboptimal.
The
population
of
spermatozoa
surviving
procedure
experiences
changes
attributed
to
alteration
their
redox
regulation.
In
order
expand
our
knowledge
regarding
this
particular
aspect,
proteome
fresh
and
frozen
thawed
aliquots
equine
was
studied
identify
proteins
most
severely
affected
by
procedure.
If
regulation
a
major
factor
explaining
cryodamage,
participating
should
be
principally
affected.
Using
split
sample
design,
30
ejaculates
from
10
different
stallions
were
analyzed
as
spermatozoa,
another
aliquot
same
ejaculate
sample.
under
both
conditions
using
UHPLC-MS/MS
bioinformatic
analysis
conducted
discriminant
variables
between
conditions.
Data
are
available
through
ProteomeXchange
Consortium
with
identifier
PXD022236.
significantly
reduced
Aldo-keto
reductase
family
1
member
B
(p
=
2.2
×
10-17)
Superoxide
dismutase
(Cu-Zn)
4.7
10-14).
This
first
time
that
SOD1
has
been
identified
discriminating
variable
analysis,
where
it
one
highly
seen
semen.
finding
strongly
supports
theory
oxidative
stress
involved
cryodamage
suggests
control
target
improve
current
procedures.
Biology of Reproduction,
Год журнала:
2021,
Номер
104(5), С. 1097 - 1113
Опубликована: Янв. 12, 2021
The
identification
of
stallions
and
or
ejaculates
that
will
provide
commercially
acceptable
quality
post-thaw
before
cryopreservation
is
great
interest,
avoiding
wasting
time
resources
freezing
not
achieve
sufficient
to
be
marketed.
Our
hypothesis
was
after
bioinformatic
analysis,
the
study
stallion
sperm
proteome
can
discriminant
variables
able
predict
ejaculate.
At
least
three
from
10
different
were
frozen
following
a
split
sample
design.
Half
ejaculate
analyzed
as
fresh
aliquot
other
half
then
frozen-thawed
aliquot.
Computer-assisted
analysis
flow
cytometry
used
analyze
quality.
Detailed
proteomic
performed
on
thawed
aliquots,
identify
in
samples
outcome
cryopreservation.
Those
with
fold
change
>
3,
P
=
8.2e-04,
q
0.074
(equivalent
False
discovery
rate
(FDR))
selected,
proteins
identified
good
motility
post-thaw:
F6YTG8,
K9K273,
A0A3Q2I7V9,
F7CE45,
F6YU15,
F6SKR3.
Other
also
predictors
mitochondrial
membrane
potential
viability
post-thaw.
We
concluded
approaches
are
powerful
tool
improve
current
biotechnologies.
Frontiers in Veterinary Science,
Год журнала:
2019,
Номер
6
Опубликована: Дек. 4, 2019
Background:
Boar
seminal
plasma
is
rich
in
cytokines,
which
could
influence
the
capability
of
spermatozoa
to
tolerate
preservation.
Objectives:
To
evaluate
involvement
boar
cytokines
changes
experienced
by
during
their
storage,
either
liquid
or
frozen
state.
Materials
and
Methods:
In
two
separated
experiments,
semen
samples
from
healthy
fertile
boars
were
split
aliquots,
one
centrifuged
twice
(1,500
×g
for
10
min)
harvest
plasma,
whereas
other
was
commercially
extended
(3
×
107
sperm/mL)
liquid-stored
at
17°C
144
h
(n
=
28,
Experiment
1)
frozen-thawed
using
a
standard
0.5
mL
protocol
27,
2).
Sixteen
quantified
Luminex
xMAP®.
Sperm
attributes
(CASA-evaluated
total
progressive
motility;
flow
cytometry-evaluated
sperm
viability,
production
intracellular
H2O2
O2•-
levels
lipid
peroxidation
viable
spermatozoa)
evaluated
0,
72,
storage
(Experiment
before
freezing
30-
150-min
post-thawing
Results:
Multiple
linear
regression
models,
with
Bayesian
approach
variable
selection,
revealed
that
anti-inflammatory
TGF-β2,
TGF-β3,
IL-1Ra,
IL-4
pro-inflammatory
IL-8
IL-18,
predicted
motility
while
IFN-γ
included
models
predicting
all
cryopreserved
semen.
Conclusion:
Specific
would
contribute
modulate
structural
metabolic
shown
preservation,
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июль 31, 2024
Cryopreservation
is
crucial
for
conserving
genetic
diversity
in
endangered
species
including
the
critically
group
of
sturgeons
(Acipenseridae),
but
it
can
compromise
sperm
quality
and
protein
profiles.
Although
cryopreservation
with
dimethyl
sulfoxide
(DMSO)
methanol
(MeOH)
results
recovery
good
post-thaw
motility,
DMSO-preserved
show
reduced
fertilization
ability.
This
study
was
conducted
Siberian
sturgeon
as
a
model
Acipenserid
fishes
to
explore
effects
DMSO
MeOH
on
proteome
semen
using
advanced
proteomics
methods—liquid
chromatography‒mass
spectrometry
two-dimensional
difference
gel
electrophoresis.
We
analyzed
proteomic
profiles
fresh
cryopreserved
spermatozoa
their
extracellular
medium
showed
that
decreases
motility
viability
increases
reactive
oxygen
levels,
membrane
fluidity,
acrosome
damage.
Despite
having
similar
treated
had
significantly
lower
success
(6.2%)
than
those
(51.2%).
A
total
224
118
differentially
abundant
proteins
were
identified
preserved
DMSO,
respectively.
MeOH-related
linked
chromosomal
structure
mitochondrial
functionality,
while
DMSO-related
impacted
by
altering
reaction
binding
zona
pellucida
nuclear
organization.
Additionally,
led
alterations
proacrosin/acrosin
system
both
cryoprotectants.
provides
first
comprehensive
characterization
after
cryopreservation,
offering
insights
into
how
cryoprotectants
impact
Theriogenology,
Год журнала:
2025,
Номер
unknown, С. 117440 - 117440
Опубликована: Апрель 1, 2025
The
optimization
of
preservation
protocols
(refrigeration
and
freezing)
in
ovine
species
is
necessary
for
a
wider
diffusion
artificial
insemination
this
species.
Besides
the
ram
sperm
quality
assays,
characterization
novel
proteins
could
be
crucial
improving
these
employing
biomarkers.
protein
transmembrane
95
(TMEM95)
membrane
associated
with
oocyte-sperm
fusion
previously
described
bull
or
mouse.
However,
has
not
yet
been
characterized
until
now.
In
work,
different
experimental
groups
based
on
functionality:
capacitated,
refrigerated
at
times
(5
°C
24
h,
5
48
72
h),
frozen-thawed
samples
were
analyzed
compared
to
initial
(15
3
h)
characterize
expression
its
relationship
other
markers
(motility,
kinetic
parameters,
viability,
apoptosis-like
events,
mitochondrial
function,
acrosome-reacted,
zinc
content
as
marker
capacitation).
addition,
capacitation
status
was
tested
by
Fluozin-3,
fluorescent
probe
measuring
used
first
time
sperm.
After
induction,
expected,
acrosome
reactive
spermatozoa
signature
2
significantly
increased,
while
linearity
(P
<
0.05)
decreased
non-capacitated
samples.
Concerning
TMEM95,
profile
increased
after
process,
confirming
status.
Attending
processes,
semen
progressively
during
liquid
storage,
significant
decrease
observed
h
according
fast
progressive
motility
linearity.
TMEM95
showed
same
tendency,
showing
reduction
respect
control
Finally,
cryopreservation
thawed
suffered
detrimental
effect
sample,
concerting
all
studied
parameters
accomplished
When
we
correlation
markers,
highest
positive
correlations
low
capacitated
samples,
such
changes
acrosome-reaction.
On
hand,
between
process
suitable
functionality).
According
our
results,
considered
predictor
early
damage
(cooling
freezing),
considering
integrity
Biology,
Год журнала:
2025,
Номер
14(5), С. 465 - 465
Опубликована: Апрель 25, 2025
This
study
evaluated
the
post-thaw
motility
and
in
vitro
fertility
of
ejaculated
epididymal
semen
from
Pantaneiro
bulls
characterized
cell-free
DNA
(cfDNA)
fresh
seminal
plasma.
Semen
five
was
collected
via
electroejaculation
or
post-mortem
extraction.
Fresh
parameters
cfDNA
concentrations
were
assessed
before
cryopreservation.
Post-thaw
sperm
kinetics
using
CASA
at
0
6
h
incubation,
embryo
development
analyzed
following
IVF.
Data
ANOVA
logistic
regression.
Ejaculate
samples
exhibited
more
morphological
defects
than
(15.8%
vs.
1.8%,
p
≤
0.05).
Post-thaw,
showed
higher
total
(87.2%
32.4%)
progressive
(67.1%
14.4%)
(p
0.05),
(38.9%
11.0%,
In
did
not
differ
significantly
between
(n
=
525
oocytes)
500
groups
terms
cleavage
(49.6%
44.2%)
blastocyst
formation
on
D7
(26.1%
22.2%,
>
concentration
ranged
11.4
to
50.9
ng/µL.
These
findings
indicate
that
retain
high
fertility.
Additionally,
characterization
plasma
contributes
indigenous
cattle
preservation
advances
male
research.
Abstract
Spermatozoa
must
undergo
the
process
of
capacitation
to
fertilize
egg
which
involves
a
cell
destabilizing
process.
Capacitation-like
changes
such
as
protein
tyrosine
phosphorylation
(PTP)
are
associated
with
cryopreservation.
The
aim
this
study
was
compare
cryoresistance
and
response
epididymal
ejaculated
sperm
European
mouflon
(
Ovis
musimon
).
Post-thaw
parameters
were
analysed
from
samples
cryopreserved
by
slow-freezing
or
ultrarapid-freezing
for
comparison.
Sperm
status
assessed
semiquantification
PTP
levels,
localization
kinematic
clustering.
Epididymal
had
higher
than
in
both
freezing
techniques,
rendered
better
results
samples.
Ejaculated
levels
and,
additionally,
showed
capacitating
(CA)
non-capacitating
(NCA)
conditions
while
there
no
effect
medium
sperm.
There
tail
CA
NCA
types
Kinematic
analysis
revealed
that
cluster
hyperactivated
movement
increased
incubated
whereas
observed
clusters.
In
conclusion,
freezability
lower
compared
Abstract
The
preservation
of
sperm
functional
parameters
and
fertility
post-cryopreservation
largely
varies
in
the
porcine,
a
species
with
fractionated
ejaculate.
Although
intrinsic
individual
differences
have
primarily
been
linked
to
this
variation,
protein
abundance
among
frozen-thawed
(FT)-spermatozoa
are
far
more
relevant.
This
study,
performed
two
experiments,
looked
for
proteomic
quantitative
between
FT-sperm
samples
differing
post-thaw
viability,
motility,
apoptosis,
membrane
lipid
peroxidation
nuclear
DNA
fragmentation.
spermatozoa
were
either
derived
from
sperm-rich
ejaculate
fraction
(SRF)
or
entire
(Experiment
1)
first
10
mL
SRF,
remaining
SRF
post-SRF
2).
Quantitative
analysed
using
LC-ESI-MS/MS-based
SWATH
approach.
In
Experiment
1,
FT-spermatozoa
showed
better
than
those
ejaculate,
26
Sus
scrofa
proteins
relevance
showing
relative
(FC
≥
1.5)
sources.
2,
qualitatively
post-SRF,
187
three
results
indicate
that
proteome
cryosurvival.