Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Март 14, 2025
Predatory
hunting
plays
a
critical
role
in
animal
survival.
Motion-related
vibrissal
somatosensory
signaling
is
essential
for
prey
detection
and
mice.
However,
little
known
about
the
neural
circuits
that
convert
cues
to
trigger
predatory
hunting.
Here,
we
report
mechanical
force
onto
area
of
male
mice
key
stimulus
Mechanically
evoked
was
abrogated
by
chemogenetic
inactivation
cholecystokinin-positive
(Cck+)
neurons
spinal
trigeminal
nucleus
interpolaris
(Sp5I).
The
Cck+
Sp5I
responded
intensity
sent
signals
superior
colliculus
were
relevant
stereotypical
motor
actions.
Synaptic
projections
from
impaired
mechanically
attacks.
Together,
these
data
reveal
circuit
specifically
engaged
translating
provoke
This
study
reveals
respond
vibrissae
stimuli
send
inputs
colliculus,
which
are
behaviour.
Science,
Год журнала:
2023,
Номер
380(6648), С. 972 - 979
Опубликована: Июнь 1, 2023
The
suprachiasmatic
nucleus
(SCN)
drives
circadian
clock
coherence
through
intercellular
coupling,
which
is
resistant
to
environmental
perturbations.
We
report
that
primary
cilia
are
required
for
coupling
among
SCN
neurons
maintain
the
robustness
of
internal
in
mice.
Cilia
neuromedin
S-producing
(NMS)
exhibit
pronounced
rhythmicity
abundance
and
length.
Genetic
ablation
ciliogenesis
NMS
enabled
a
rapid
phase
shift
under
jet-lag
conditions.
rhythms
individual
cilia-deficient
slices
lost
their
after
external
Rhythmic
changes
drive
oscillations
Sonic
Hedgehog
(Shh)
signaling
gene
expression.
Inactivation
Shh
phenocopied
effects
ablation.
Thus,
cilia-Shh
aids
coupling.
Annual Review of Vision Science,
Год журнала:
2022,
Номер
8(1), С. 135 - 169
Опубликована: Апрель 6, 2022
Retinal
circuits
transform
the
pixel
representation
of
photoreceptors
into
feature
representations
ganglion
cells,
whose
axons
transmit
these
to
brain.
Functional,
morphological,
and
transcriptomic
surveys
have
identified
more
than
40
retinal
cell
(RGC)
types
in
mice.
RGCs
extract
features
varying
complexity;
some
simply
signal
local
differences
brightness
(i.e.,
luminance
contrast),
whereas
others
detect
specific
motion
trajectories.
To
understand
retina,
we
need
know
how
give
rise
diverse
RGC
representations.
A
catalog
set,
turn,
is
fundamental
understanding
visual
processing
Anterograde
tracing
indicates
that
innervate
50
areas
mouse
Current
maps
connecting
brain
are
rudimentary,
as
our
signals
transformed
downstream
guide
behavior.
In
this
article,
I
review
selectivities
RGCs,
they
arise,
utilized
downstream.
Not
only
knowledge
behavioral
purpose
critical
for
contributions
vision;
it
can
also
us
most
relevant
space.
Biology,
Год журнала:
2023,
Номер
12(4), С. 508 - 508
Опубликована: Март 28, 2023
Circadian
rhythms
in
mammals
are
coordinated
by
the
central
circadian
pacemaker,
suprachiasmatic
nucleus
(SCN).
Light
and
other
environmental
inputs
change
timing
of
SCN
neural
network
oscillator,
which,
turn,
sends
output
signals
that
entrain
daily
behavioral
physiological
rhythms.
While
much
is
known
about
molecular,
neuronal,
properties
itself,
circuits
linking
outside
world
to
rhythmic
outputs
understudied.
In
this
article,
we
review
our
current
understanding
synaptic
non-synaptic
onto
from
SCN.
We
propose
a
more
complete
description
connectivity
needed
better
explain
how
nearly
all
behaviors
processes
generated
determine
how,
mechanistically,
these
disrupted
disease
or
lifestyle.
Clocks & Sleep,
Год журнала:
2023,
Номер
5(1), С. 116 - 140
Опубликована: Март 17, 2023
Light
use
is
rising
steeply,
mainly
because
of
the
advent
light-emitting
diode
(LED)
devices.
LEDs
are
frequently
blue-enriched
light
sources
and
may
have
different
impacts
on
non-image
forming
(NIF)
system,
which
maximally
sensitive
to
blue-wavelength
light.
Most
importantly,
timing
LED
device
widespread,
leading
novel
exposure
patterns
NIF
system.
The
goal
this
narrative
review
discuss
multiple
aspects
that
we
think
should
be
accounted
for
when
attempting
predict
how
situation
will
affect
impact
brain
functions.
We
first
cover
both
image-forming
pathways
brain.
then
detail
our
current
understanding
human
cognition,
sleep,
alertness,
mood.
Finally,
questions
concerning
adoption
lighting
screens,
offer
new
opportunities
improve
well-being,
but
also
raise
concerns
about
increasing
exposure,
detrimental
health,
particularly
in
evening.
Developmental Cell,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 1, 2024
Reconstructing
functional
neuronal
circuits
is
one
major
challenge
of
central
nervous
system
repair.
Through
activation
pro-growth
signaling
pathways,
some
neurons
achieve
long-distance
axon
regrowth.
Yet,
reconnection
has
hardly
been
obtained,
as
these
regenerating
axons
fail
to
resume
their
initial
trajectory
and
reinnervate
proper
target.
Axon
guidance
considered
be
active
only
during
development.
Here,
using
the
mouse
visual
system,
we
show
that
still
in
adult
brain
regenerative
conditions.
We
highlight
retinal
ganglion
cell
avoid
primary
targets,
suprachiasmatic
nucleus
(SCN),
due
Slit/Robo
repulsive
signaling.
Together
with
promoting
regeneration,
silencing
vivo
enables
enter
SCN
form
synapses.
The
newly
formed
circuit
associated
recovery.
Our
results
provide
evidence
mechanisms
are
required
reconnect
specific
nuclei.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Авг. 25, 2021
Light
regulates
daily
sleep
rhythms
by
a
neural
circuit
that
connects
intrinsically
photosensitive
retinal
ganglion
cells
(ipRGCs)
to
the
circadian
pacemaker,
suprachiasmatic
nucleus.
Light,
however,
also
acutely
affects
in
circadian-independent
manner.
The
circuits
involving
acute
effect
of
light
on
remain
unknown.
Here
we
uncovered
drives
this
response,
independent
nucleus,
but
still
through
ipRGCs.
We
show
ipRGCs
substantially
innervate
preoptic
area
(POA)
mediate
mice.
Consistently,
activation
either
POA
projecting
or
light-responsive
neurons
increased
non-rapid
eye
movement
(NREM)
without
influencing
REM
sleep.
In
addition,
inhibition
blocked
effects
NREM
predominant
receive
ipRGC
input
belong
corticotropin-releasing
hormone
subpopulation.
Remarkably,
are
inhibitory
and
project
well-known
wakefulness-promoting
brain
regions,
such
as
tuberomammillary
nucleus
lateral
hypothalamus.
Therefore,
ipRGC-POA
inhibits
arousal
regions
drive
light-induced
Our
findings
reveal
functional
retina-brain
is
both
necessary
sufficient
for