Development of a trace quantitative method to investigate caffeine distribution in the Yellow and Bohai Seas, China, and assessment of its potential neurotoxic effect on fish larvae
Marine Pollution Bulletin,
Год журнала:
2023,
Номер
195, С. 115492 - 115492
Опубликована: Сен. 8, 2023
Язык: Английский
Modulation of locomotion and motor neuron response by the cohesive effect of acute and chronic feeding states and acute d-amphetamine treatment in zebrafish larvae
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 30, 2024
Abstract
Amphetamine
(AMPH)
increases
locomotor
activities
in
animals,
and
the
response
to
AMPH
is
further
modulated
by
caloric
deficits
such
as
food
deprivation
restriction.
The
increment
activity
regulated
AMPH-caloric
deficit
concomitance
can
be
varying
feeding
schedules
(e.g.
acute
chronic
after
deprivation).
However,
effects
of
different
on
AMPH-induced
are
yet
explicated.
Here,
we
have
explored
stimulatory
responses
acutely
administered
d-amphetamine
locomotion
under
systematically
states
(fed/sated
deprivation)
(chronic
acute)
zebrafish
larvae.
We
used
wild-type
transgenic[Tg(mnx1:GCaMP5)]
larvae
measured
swimming
spinal
motor
neuron
vivo
real-time
time-elapsed
cumulative
manner
pre-
post-AMPH
treatment.
Our
results
showed
that
increased
both
treatment
cumulatively.
A
steady
increase
was
observed
food-deprivation
compared
an
immediate
abrupt
state.
ad
libitum-fed
exhibited
a
moderate
activity.
Conversely
all
other
states,
food-sated
(acute
moved
moderately
less
mild
decrease
These
point
importance
schedule
modulating
amphetamine’s
characteristic
behavior
neurons.
Язык: Английский
Quantifying Variability in Zebrafish Larvae Locomotor Behavior across Experimental Conditions: A Learning-Based Tracker
Fishes,
Год журнала:
2024,
Номер
9(6), С. 193 - 193
Опубликована: Май 23, 2024
This
study
investigated
the
effects
of
environmental
changes
on
zebrafish
larval
behavior,
using
single-factor
and
orthogonal
experiments
to
assess
locomotion
during
temperature
pH
changes.
In
experiments,
larvae
were
exposed
variations
in
(22
30
°C)
levels
(6.0,
7.0,
9.0).
The
simultaneous
by
tests.
both
each
larva
was
recorded
three
5
min
videos
at
different
stages
(before
exposure,
short-term
exposure
(10
min),
after
long-term
(60
min)).
You
Look
Only
Once
(YOLOv5)
Deep
Simple
Online
Real
Time
Tracking
(DeepSORT)
models
adopted
develop
a
tracking
system,
YOLOv5
improved
two
aspects
anchor
clustering
network
structure.
accuracy
system
for
small
targets
effectively
improved,
reaching
more
than
98%
MOTA
(Multiple
Object
Accuracy).
Principal
Component
Analysis
(PCA)
employed
extract
behavioral
features
from
13
motion
parameters,
namely
activity,
edge
direction
preference.
Our
findings
reveal
that
lower
temperatures
acidic
conditions
led
decrease
former
also
increased
behavior.
Conversely,
elevated
alkaline
had
muted
impact
these
behaviors.
Interestingly,
concurrent
significantly
altered
directional
Additionally,
we
observed
elicited
distinct
temporal
patterns
constant
level.
summary,
recommend
precise
control
explicit
reporting
ambient
breeding
devices
experimental
wells
minimize
behavior
enhance
experiment
repeatability
reliability.
Язык: Английский
Hypothalamic dopamine neuron activity is modulated by caloric states and amphetamine abuse in zebrafish larvae
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 2, 2024
Abstract
Dopaminergic
(DA)
neuron
activity
is
affected
by
reward
and
stress-inducing
entities
such
as
food
drugs
of
abuse,
different
DA
populations
can
respond
distinctly
to
these
stimuli.
Interaction
between
both
stimuli
significantly
alters
the
dynamics
release
in
populations.
Additionally,
stimulating
affect
interconnections
among
impairing
their
correspondence
with
each
other.
However,
limited
studies
have
been
performed
that
could
point
effect
interaction
AMPH
caloric
states
on
neurons
inter-correlation.
This
study
explores
individual
interactive
two
states,
ad-libitum
fed
(AL)
deprived
(FD),
acute
exposure
a
stimulant
drug
(amphetamine)
hypothalamus
zebrafish
larvae.
We
used
transgenic
line
Tg(th2:GCaMP7s),
which
expresses
calcium
indicator
(GCaMP7s)
A11(Posterior
Tuberculum)
part
A14
(Caudal
Hypothalamus
Intermediate
Hypothalamus)
located
larval
zebrafish.
The
larvae
were
subjected
FD
ad
AL
feeding
followed
treatment
0.7uM
1.5uM
doses
AMPH.
recorded
quantified
fluorescence
change,
duration,
peak
rise/fall
time,
latency
spikes
neurons.
Our
results
show
baseline
amplitude,
spike
correlation
inter-
intra-DA
higher
than
state.
Dose-dependent
further
increased
intensity
aforementioned
parameters
dose-dependently
impaired
These
suggest
brain
exhibit
similar
trend
response
AMPH,
where
AMPH-mediated
change
was
dose-dependent.
Язык: Английский
Modulation of Hypothalamic Dopamine Neuron Activity by Interaction Between Caloric State and Amphetamine in Zebrafish Larvae
Journal of Neuroscience Research,
Год журнала:
2024,
Номер
102(11)
Опубликована: Ноя. 1, 2024
ABSTRACT
Dopamine
(DA)
signaling
is
evoked
by
both
food
and
drugs
that
humans
come
to
abuse.
Moreover,
physiological
state
(e.g.,
hunger
versus
satiety)
can
modulate
the
response.
However,
there
great
heterogeneity
among
DA
neurons.
Limited
studies
have
been
performed
could
resolve
interaction
between
drug
responsivity
across
groups
of
Here,
we
measured
activity
neurons
in
transgenic
Tg
(th2:GCaMP7s)
zebrafish
larva
expresses
a
calcium
indicator
(GCaMP7s)
A11
(posterior
tuberculum)
part
A14
(caudal
hypothalamus
intermediate
hypothalamus)
populations
located
larval
zebrafish.
Fish
were
recorded
one
two
states:
ad‐libitum
fed
(AL)
deprived
(FD)
before
after
acute
exposure
different
doses
stimulant
amphetamine
(0,
0.7,
1.5
μM).
We
quantified
fluorescence
change,
duration,
peak
rise/fall
time,
latency
spikes
Our
results
show
baseline
neuron
amplitude,
spike
correlation
inter‐
intra‐DA
higher
FD
than
AL
state.
Dose‐dependent
AMPH
treatment
further
increased
intensity
these
parameters
but
only
The
relatively
post‐AMPH
treatment.
Given
increases
reactivity
probability
relapse
seeking,
support
as
potential
critical
mediators
reinforcement.
Язык: Английский
d‐Amphetamine and Feeding States Cohesively Affect Locomotion and Motor Neuron Response in Zebrafish Larvae
Brain and Behavior,
Год журнала:
2024,
Номер
14(12)
Опубликована: Дек. 1, 2024
ABSTRACT
Purpose
Amphetamine
(AMPH)
increases
locomotor
activities
in
animals,
and
the
response
to
AMPH
is
further
modulated
by
caloric
deficits
such
as
food
deprivation
restriction.
The
increment
activity
regulated
AMPH‐caloric
deficit
concomitance
can
be
varying
feeding
schedules
(e.g.,
acute
chronic
after
deprivation).
However,
effects
of
different
on
AMPH‐induced
are
yet
explicated.
Here,
we
have
explored
stimulatory
responses
acutely
administered
D‐amphetamine
locomotion
under
systematically
states
(fed/sated
deprivation)
(chronic
acute)
zebrafish
larvae.
Method
We
exposed
wild‐type
transgenic
[Tg(mnx1:GCaMP5)]
larvae
0.7
µM
concentration
measured
swimming
spinal
motor
neuron
vivo
real
time.
analysis
involved
time‐elapsed
cumulative
manner
pre‐
post‐AMPH
treatment
four
including
hunger.
Both
were
compared
all
both
fish
lines.
Findings
Our
results
show
that
increased
cumulatively.
A
steady
increase
was
observed
an
immediate
abrupt
food‐deprivation
state.
ad
libitum‐fed
exhibited
a
moderate
activity.
Conversely
other
states,
food‐sated
(acute
moved
moderately
less
mild
decrease
treatment.
Conclusion
These
reveal
importance
cohesive
schedule
revealing
changes
characteristics
states.
Язык: Английский