International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(10), P. 5606 - 5606
Published: May 17, 2022
Experimental
evidence
suggests
that
environmental
stress
conditions
can
alter
the
expression
of
BDNF
and
this
neurotrophin
influences
behavioural
responses
in
mammalian
models.
It
has
been
recently
demonstrated
exposure
to
34
°C
for
21
days
alters
brain
proteome
behaviour
zebrafish.
The
aim
work
was
investigate
role
nervous
system
adult
zebrafish
under
control
heat
treatment
conditions.
For
purpose,
from
three
different
genotypes
(wild
type,
heterozygous
BDNF+/-
knock
out
BDNF-/-)
were
kept
at
26
or
then
euthanized
molecular
analyses
subjected
tests
(Y-maze
test,
novel
tank
light
dark
social
preference
mirror
biting
test)
assessing
aspects
such
as
boldness,
anxiety,
preference,
aggressive
behaviour,
interest
environment
exploration.
qRT-PCR
analysis
showed
reduction
gene
its
receptors
after
wild
type
Moreover,
proteomic
genotype-
temperature-dependent
effects
on
responding.
Overall,
absent
KO
(1)
by
reducing
proteins
involved
synapse
functioning
neurotransmitter-mediated
transduction;
(2)
which
be
interpreted
bolder
less
anxious
(3)
cellular
response
thermal
treatment.
Reviews in Aquaculture,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Nov. 6, 2024
ABSTRACT
Changes
in
water
quality
significantly
shape
fish
behavior,
a
crucial
index
reflecting
the
growth
and
welfare
status
of
fish.
Given
centrality
this
relationship
to
aquaculture
practices,
comprehensive
understanding
how
dynamics
influence
behavior
is
imperative.
While
there
have
been
some
summaries
effects
parameters
on
physiology
growth,
few
reviews
their
reported
yet.
This
article
several
which
are
great
concern
from
multiple
facets
actual
production,
including
physical
(water
temperature
turbidity),
chemical
(dissolved
oxygen,
salinity,
pH,
inorganic
nitrogen),
pollutants
(microplastics
crude
oil),
gained
increasing
attention
researchers
practitioners
over
past
decades.
Variations
these
can
exert
profound
physiology,
metabolism,
internal
tissues
organs,
sensory
perception,
influences
behaviors
such
as
swimming,
schooling,
feeding,
predation,
anti‐predation,
aggression,
courtship,
well
adaptive
stress‐related
exploration,
avoidance
response,
anxiety‐like
behavior.
By
synthesizing
behavioral
changes
caused
by
specific
parameters,
review
aims
provide
strong
support
for
further
quality‐related
research,
thereby
fostering
environments
conducive
both
productivity.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2022,
Volume and Issue:
97(3), P. 1038 - 1056
Published: Jan. 4, 2022
ABSTRACT
Globally,
millions
of
zebrafish
(
Danio
rerio
)
are
used
for
scientific
laboratory
experiments
which
researchers
have
a
duty
care,
with
legal
obligations
to
consider
their
welfare.
Considering
the
growing
use
as
vertebrate
model
addressing
diverse
range
questions,
optimising
conditions
is
major
importance
both
welfare
and
improving
research.
However,
most
guidelines
care
breeding
research
concerned
primarily
maximising
production
minimising
costs
pay
little
attention
effects
on
environments
in
fish
maintained,
or
how
those
affect
Here
we
review
physical
social
kept,
identifying
drawing
factors
likely
experimental
science.
We
also
identify
fundamental
lack
knowledge
interact
many
biotic
abiotic
features
natural
environment
support
ways
optimise
health
well‐being
laboratory,
turn
quality
data
produced.
advocate
that
under
maintained
need
become
more
integral
part
understand
fully
they
influence
outcome
interpretations
generated.
Aquaculture Reports,
Journal Year:
2024,
Volume and Issue:
35, P. 101998 - 101998
Published: Feb. 29, 2024
Global
warming
has
heightened
the
severity
and
frequency
of
extreme
high-temperature
events,
presenting
challenges
to
fish
survival
negatively
affecting
production
fishery.
Gymnocypris
eckloni,
native
Tibetan
Plateau,
is
widely
cultured
in
southwest
China.
Its
sensitivity
heat
makes
it
a
suitable
model
for
studying
impact
high
temperatures
on
fish.
The
heart
vital
organ
survival,
while
relatively
understudied
concerning
hearts.
In
this
study,
G.
eckloni
was
subjected
seven-day
exposure
27
°C
followed
by
transfer
18
recovery
period.
Behavioral
tests
revealed
significant
increase
locomotor
speed,
distance,
respiratory
rate
at
°C.
Serum
indices
exhibited
significantly
elevated
stress
indicators
(cortisol)
kinases
associated
with
damage
(lactate
dehydrogenase,
lactate
dehydrogenase
isoenzyme
1,
creatine
kinase,
kinase
isoenzyme,
aspartate
transaminase)
°C,
histological
analyses
have
confirmed
occurrence
temperatures.
After
7
days
recovery,
most
these
showed
decrease
compared
group,
no
differences
observed
control
group.
Transcriptomic
widespread
involvement
ferroptosis,
P53
signaling
pathway,
oxidative
phosphorylation,
myocardial
contraction,
DNA
repair
pathway
response
Our
study
offers
systematic
exploration
effects
providing
valuable
insights
cultivation
high-altitude
Frontiers in Physiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Oct. 3, 2023
Throughout
their
lives,
humans
encounter
a
plethora
of
substances
capable
inducing
neurotoxic
effects,
including
drugs,
heavy
metals
and
pesticides.
Neurotoxicity
manifests
when
exposure
to
these
chemicals
disrupts
the
normal
functioning
nervous
system,
some
agents
have
been
linked
neurodegenerative
pathologies
such
as
Parkinson's
Alzheimer's
disease.
The
growing
concern
surrounding
impacts
both
naturally
occurring
man-made
toxic
necessitates
identification
animal
models
for
rapid
testing
across
wide
spectrum
concentrations,
utilization
tools
detecting
system
alterations
spanning
from
molecular
level
up
behavioural
one.
Zebrafish
(Danio
rerio)
is
gaining
prominence
in
field
neuroscience
due
its
versatility.
possibility
analysing
all
developmental
stages
(embryo,
larva
adult),
applying
most
common
"omics"
approaches
(transcriptomics,
proteomics,
lipidomics,
etc.)
conducting
range
tests
makes
zebrafish
an
excellent
model
neurotoxicity
studies.
This
review
delves
into
main
experimental
adopted
markers
analysed
studies
zebrafish,
showing
that
phenomena
can
be
triggered
not
only
by
chemical
but
also
fluctuations
temperature.
findings
presented
here
serve
valuable
resource
study
define
new
scenarios
ecotoxicology
suggesting
temperature
synergistically
compound
effects
substances,
intensifying
detrimental
impact
on
fish
populations.
Fishes,
Journal Year:
2025,
Volume and Issue:
10(2), P. 59 - 59
Published: Jan. 31, 2025
Changes
in
the
environment
promote
variations
fish
physiological
responses.
Genetic
variation
also
plays
a
role
variation.
To
explore
of
genetics
variation,
we
assessed
cardiac
function
(heart
rate,
stroke
volume,
and
output),
oxygen
consumption,
yolk
conversion
efficiency,
cost
development
embryonic
larval
AB
wild-type
NHGRI-1
zebrafish
(low
heterozygosity
line
backcrossed
from
wild-type)
exposed
to
different
temperature
regimes.
Fish
were
fertilization
7
days
post-fertilization
(dpf)
control
conditions
(28
°C,
21%
O2)
or
low
(23
O2),
high
(33
moderate
hypoxia
13%
severe
10%
O2).
We
hypothesized
that
(1)
variables
will
respond
similarly
both
lines
(2)
data
variability
be
lower
than
zebrafish.
Cardiac
decreased
at
Oxygen
consumption
was
increased
by
higher
fish.
Yolk
efficiency
Cost
mainly
hypoxia-treated
Supporting
our
hypothesis
contributes
showed
significantly
coefficients
84%
endpoints.
conclude
there
is
strong
genetic
component
fishes
are
useful
models
for
reducing
‘noise’
backgrounds
research
fish,
which
may
aid
interpretation
experimental
results
facilitate
reproducibility.