The Journal of Comparative Neurology,
Journal Year:
2017,
Volume and Issue:
525(14), P. 3083 - 3109
Published: June 26, 2017
Abstract
Lungfishes
are
a
group
of
sarcopterygian
fishes
currently
considered
the
closest
living
relatives
tetrapods,
and
represent
an
interesting
for
study
evolutionary
traits
in
transition
from
to
tetrapods.
Catecholaminergic
systems
brain
among
most
carefully
analyzed
neurotransmitter
vertebrate
groups.
Their
organization
shows
major
shared
characteristics,
although
particular
each
class
have
also
been
found,
primarily
between
anamniotes
amniotes.
Given
relevance
lungfishes
terms,
present
provides
first
comprehensive
detailed
map
catecholaminergic
structures
two
representative
species
lungfishes,
African
lungfish
(
Protopterus
dolloi
)
Australian
Neoceratodus
forsteri
),
as
revealed
by
immunohistochemistry.
Distinct
groups
cells
were
observed
olfactory
bulb,
pallium,
preoptic
area
telencephalon,
subpallium
is
devoid
these
cells.
Hypothalamic
diencephalic
detected
and,
particular,
dopaminergic
nucleus
periventricular
organ
was
evidenced
with
dopamine
antibodies
but
not
anti‐tyrosine
hydroxylase.
A
well
developed
mesostriatal
system
formed
conspicuous
midbrain
tegmentum
profuse
innervation
subpallium.
Comparison
results
those
other
classes
vertebrates
numerous
common
highlights
features
different
actinopterygian
that
resemble
amphibians
Journal of Toxicology and Environmental Health Part B,
Journal Year:
2023,
Volume and Issue:
26(4), P. 201 - 237
Published: March 1, 2023
Parkinson's
disease
(PD)
is
a
neurodegenerative
disorder
characterized
by
the
loss
of
dopaminergic
neurons
in
substantia
nigra
that
results
decrease
dopamine
levels,
resulting
motor-type
disturbances.
Different
vertebrate
models,
such
as
rodents
and
fish,
have
been
used
to
study
PD.
In
recent
decades,
Danio
rerio
(zebrafish)
has
emerged
potential
model
for
investigation
diseases
due
its
homology
nervous
system
humans.
this
context,
systematic
review
aimed
identify
publications
reported
utilization
neurotoxins
an
experimental
parkinsonism
zebrafish
embryos
larvae.
Ultimately,
56
articles
were
identified
searching
three
databases
(PubMed,
Web
Science,
Google
Scholar).
Seventeen
studies
using
1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
(MPTP),
4
1-methyl-4-phenylpyridinium
(MPP+),
24
6-hydroxydopamine
(6-OHDA),
6
paraquat/diquat,
2
rotenone,
other
types
unusual
induce
PD
selected.
Neurobehavioral
function,
motor
activity,
neuron
markers,
oxidative
stress
biomarkers,
relevant
parameters
embryo-larval
examined.
summary,
provides
information
help
researchers
determine
which
chemical
suitable
parkinsonism,
according
effects
induced
Frontiers in Neuroanatomy,
Journal Year:
2018,
Volume and Issue:
12
Published: March 19, 2018
Dopaminergic
neurons
of
the
descending
diencephalospinal
system
are
located
in
posterior
tuberculum
zebrafish
(Danio
rerio),
and
correspond
mammals
to
A11
group
hypothalamus
thalamus.
In
larval
zebrafish,
they
likely
only
source
central
dopaminergic
projections
periphery.
Here,
we
characterized
tubercular
fibers
projecting
peripheral
sense
organs,
with
a
focus
on
lateral
line
neuromasts.
We
labelled
identified
catecholaminergic
their
by
combining
two
immunofluorescence
techniques,
(i)
using
an
antibody
against
Tyrosine
hydroxylase,
(ii)
GFP
transgenic
expressing
either
membrane-anchored
track
fibers,
or
Synaptophysin-GFP
fusion
visualize
putative
synapses.
applied
CLARITY
method
six
days
old
whole
larvae
stain
analyze
confocal
microscopy.
found
that
all
neuromasts
receive
direct
innervation
neurons,
tracked
these
detail.
addition,
anterior
ganglia,
extensive
arborizations
around
terminal
projection
field
afferent
hindbrain
medial
octavolateralis
nucleus.
Therefore,
may
affect
information
at
different
processing
stages.
Additional
innervate
trigeminal
ganglion,
observed
fine
skin
arborization
patterns
similar
free
sensory
nerve
endings.
also
detected
potentially
innervating
inner
ear
epithelia.
A11-type
broadly
modulate
senses.
briefly
report
sympathetic
labeled
our
experiments,
developing
intestine,
swim
bladder
abdominal
organs.
Animals
can
evolve
dramatic
sensory
functions
in
response
to
environmental
constraints,
but
little
is
known
about
the
neural
mechanisms
underlying
these
changes.
The
Mexican
tetra,
Astyanax
mexicanus
,
a
leading
model
study
genetic,
behavioral,
and
physiological
evolution
by
comparing
eyed
surface
populations
blind
cave
populations.
We
compared
neurophysiological
responses
of
posterior
lateral
line
afferent
neurons
motor
across
A.
reveal
how
shifts
function
may
shape
behavioral
diversity.
These
studies
indicate
differences
intrinsic
signaling
gain
control
Elevated
endogenous
activity
identified
lower
threshold
cavefish
relative
fish
increased
evoked
potentials
during
hair
cell
deflection
cavefish.
next
measured
effect
inhibitory
corollary
discharges
from
hindbrain
efferent
onto
afferents
locomotion.
discovered
that
three
independently
derived
have
evolved
persistent
locomotion,
suggesting
for
first
time
partial
loss
system
be
an
evolutionary
mechanism
adaptation
vertebrate
system.
Development Growth & Differentiation,
Journal Year:
2017,
Volume and Issue:
59(4), P. 219 - 227
Published: May 1, 2017
Small
teleost
fish
including
zebrafish
and
medaka
have
been
used
as
animal
models
for
research
because
of
their
small
body
size,
vast
amounts
eggs
produced,
rapid
development,
low
husbandry
costs,
transparency
during
embryogenesis.
Although
the
size
appearance
seem
different,
mammals
human
still
possess
anatomical
functional
similarities
in
brains.
This
review
summarizes
brain
structures
functions
between
mammalian
brains,
focusing
on
dopamine
system,
regionalization
cerebellum,
presence
nucleus
ruber.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2018,
Volume and Issue:
unknown
Published: Oct. 16, 2018
Summary
Integrative
studies
of
the
diverse
neuronal
networks
that
govern
social
behavior
are
hindered
by
lack
methods
to
record
neural
activity
comprehensively
across
entire
brain.
The
recent
development
miniature
fish
Danionella
cerebrum
as
a
model
organism
offers
one
potential
solution,
small
size
and
optical
transparency
these
animals
makes
it
possible
visualize
circuit
throughout
nervous
system
1–4
.
Here,
we
establish
feasibility
using
for
socially
reinforced
learning
showing
adult
exhibit
strong
affiliative
tendencies,
interactions
can
serve
reinforcer
in
an
appetitive
conditioning
paradigm.
Fish
exhibited
acute
ability
identify
conspecifics
distinguish
them
from
closely
related
species,
which
was
mediated
both
visual
particularly
olfactory
cues.
These
behaviors
were
abolished
pharmacological
genetic
interference
with
oxytocin
signaling,
demonstrating
conservation
key
mechanisms
observed
other
vertebrates
5–11
Our
work
validates
tool
understanding
brain
general,
its
modulation
neuropeptide
signaling
particular.
iScience,
Journal Year:
2023,
Volume and Issue:
26(9), P. 107525 - 107525
Published: Aug. 3, 2023
The
hypothalamus
is
a
region
of
the
brain
that
plays
an
important
role
in
regulating
body
functions
and
behaviors.
There
growing
interest
human
pluripotent
stem
cells
(hPSCs)
for
modeling
diseases
affect
hypothalamus.
Here,
we
established
hPSC-derived
organoid
differentiation
protocol
to
model
cellular
diversity
this
region.
Using
hPSC
line
with
tyrosine
hydroxylase
(TH)-TdTomato
reporter
dopaminergic
neurons
(DNs)
other
TH-expressing
cells,
interrogated
DN-specific
pathways
electrophysiologically
active
organoids.
Single-cell
RNA
sequencing
(scRNA-seq)
revealed
diverse
neuronal
non-neuronal
cell
types
mature
We
identified
several
molecularly
distinct
hypothalamic
DN
subtypes
demonstrated
different
developmental
maturities.
Our