Antioxidant activity and protective effect of hydroxy derivatives of chalcones for sterlet (Acipenser ruthenus, Linnaeus, 1758) sperm
Cryobiology,
Год журнала:
2025,
Номер
118, С. 105193 - 105193
Опубликована: Янв. 1, 2025
Язык: Английский
The effect of various DMSO concentrations on the mobility parameters of beluga sperm
Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries),
Год журнала:
2025,
Номер
5, С. 374 - 387
Опубликована: Май 22, 2025
The
widespread
use
of
dimethyl
sulfoxide
(DMSO)
as
a
cryoprotector
for
fish
spermatozoa,
including
relict
sturgeons,
well
solvent
lipophilic
antioxidants
introduced
into
basic
DMSO-containing
cryoprotective
media,
increases
the
risk
cryodamage
to
reproductive
cells
these
species,
which
have
low
cryoresistance.
work
investigated
effect
different
concentrations
this
(10,
11,
16,
21,
27
and
32%)
in
medium
(3
mmol/l
KCl,
111
NaCl,
2
CaCl2,
24
NaHCO3
200
glucose)
on
parameters
beluga
sperm
motility
(percentage
motile
cell
movement
time)
before
after
cryopreservation.
With
an
increase
concentration
DMSO,
significant
decrease
percentage
spermatozoa
was
found
equilibration
stage
15
min,
confirms
toxicity
sturgeon
spermatozoa.
Beluga
sperm,
defrosted
freezing
low-temperature
(–196
°C)
storage
3
days,
demonstrates
only
10.5–2.8%
cryopreservation,
with
exception
DMSO
32%,
at
is
already
87.5%
freezing.
Non-monotonic
dependencies
duration
cryopreservation
were
established,
indicates
importance
optimizing
protocols
preserving
male
sturgeons
using
media.
Язык: Английский
Chiral thioacetyl derivatives of proline as novel potential agents for beluga reproduction
Aquaculture and Fisheries,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 1, 2024
The
aim
of
the
research
was
to
study
antioxidant
activity
and
protective
potential
new
phenol-containing
thioacetyl
derivatives
D-
L-prolines
as
agents
on
beluga
sperm
survival
in
early
stages
ontogeny
bester
(Huso
x
Acipenser
ruthenus)
development.
indicated
that
both
enantiomers
demonstrated
equal
scavenging
towards
DPPH•,
ABTS•+,
O2•–,
H2O2
NO,
all
these
radicals,
with
exception
nitric
oxide,
exceeded
BHT.
No
significant
differences
were
registered
between
inhibition
long-term
lipid
peroxidation
vitro.
revealed
opposite
effect
motility
duration
time
spermatozoa,
rate
their
fertilization,
at
ontogeny.
Application
L-proline
derivative
for
treatment
resulted
increase
total
period
movement
cells,
raise
fertility
sterlet
eggs
offspring
prelarval
stage,
which
led
an
number
produced
larvae.
introduction
D-proline
or
BHT
decreased
sperm,
prolarval
a
decrease
obtained
Язык: Английский