Compensatory synaptotagmin-11 expression conceals parkinson’s disease-like phenotypes in parkin knockout mice
Nan Dong,
No information about this author
Zhenli Xie,
No information about this author
Anqi Wei
No information about this author
et al.
Cell Communication and Signaling,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: Feb. 3, 2025
Animal
models
are
crucial
for
elucidating
the
pathological
mechanisms
underlying
Parkinson's
disease
(PD).
Unfortunately,
most
of
transgenic
mouse
fail
to
manifest
changes
observed
in
PD
patients,
pending
advancement
research.
However,
mechanism
this
discrepancy
remains
elusive.
Here,
we
provide
compelling
evidence
that
compensatory
expression
synaptotagmin-11
(Syt11)
plays
a
key
role
concealing
PD-associated
phenotypes
parkin
knockout
(KO)
models.
Unlike
normal
dopamine
(DA)
release
and
motor
behaviors
KO
mice,
knockdown
(KD)
substantia
nigra
pars
compacta
(SNpc)
adult
mice
led
both
impaired
DA
pronounced
deficits.
Interestingly,
Syt11,
well-established
substrate
involved
PD,
was
specifically
upregulated
KD
during
suckling
stage,
but
not
mice.
Importantly,
overexpression
Syt11
alone
is
capable
inducing
PD-like
non-motor
impairments,
as
well
reuptake,
which
essential
parkin-associated
pathogenesis
PD.
Therefore,
work
only
elucidate
accounts
absence
overt
also
contribute
comprehensive
understanding
progression
opening
new
avenues
therapeutic
treatment
Language: Английский
Pathways to sex preferences
Katherine Whalley
No information about this author
Nature reviews. Neuroscience,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Language: Английский
Dopaminergic mechanisms of dynamical social specialization in mouse microsocieties
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Summary
Social
organization
and
division
of
labor
are
fundamental
to
animal
societies,
but
how
do
these
structures
emerge
from
individual
interactions,
what
role
does
neuromodulation
play
in
shaping
them?
Using
behavioral
tracking
a
semi-natural
environment,
neural
recordings,
computational
models
integrating
reinforcement
social
learning,
we
show
that
groups
three
isogenic
mice
spontaneously
develop
specialized
roles
while
solving
foraging
task
requiring
decisions
under
constraints.
Moreover,
shaped
by
dopaminergic
activity
the
ventral
tegmental
area.
Strikingly,
despite
minor
sex-differences
behavior
when
were
tested
alone,
male
triads
formed
stable
worker-scrounger
relationships
driven
competition,
whereas
female
adopted
uniform,
cooperative
strategies.
Model
analysis
revealed
intra-
inter-sex
parameter
differences
resource
exploitation,
combined
with
contingent
dynamic
drive
specialization
division.
Most
notably,
it
highlighted
contingency,
amplified
magnifies
shapes
profiles.
The
plastic,
adaptive
nature
within
was
confirmed
manipulating
cell
activity,
which
reshaped
altered
group
structure.
Our
findings
support
feedback
loop
where
context
states,
turn
reinforce
stabilize
structures.
Language: Английский
An automated two-choice social operant task for probing moment-to-moment changes in social satiety
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
ABSTRACT
In
naturalistic
conditions,
animals
must
routinely
make
ongoing
self-motivated
choices
about
whether
to
initiate
interactions
with
same
or
opposite-sex
partners
and
re-initiate
social
contact
when
have
ended.
However,
it
remains
unclear
what
governs
these
choices,
they
are
motivated
by
drive
states
that
exhibit
signatures
of
moment-to-moment
satiety
Here,
explicitly
test
this
at
the
behavioral
level,
we
designed
a
novel
fully-automated
two-choice
operant
paradigm
where
individuals
can
choose
between
rewards
delivered
for
interaction
systematically
varying
durations.
We
trained
cohorts
both
sexes
on
task
quantified
patterns
choices.
used
choice
latency
as
metric
infer
increased
duration
leads
satiety.
find
although
males
females
stable
biases
across
sessions,
showing
consistent
opposite
sex
biases,
only
sensitive
interaction.
Using
simple
normative
model
capture
choice,
observe
behavior
is
better
fit
has
single
evolving
bias,
rather
than
multiple,
independent
drives
interactions.
Together,
our
data
reveal
offer
new
insights
into
underlying
homeostatic
motivational
govern
Language: Английский
Lung inflammation drives Long Covid
Science,
Journal Year:
2025,
Volume and Issue:
387(6738), P. 1039 - 1040
Published: March 6, 2025
Peroxisome
dysfunction
in
macrophages
impairs
lung
repair
after
COVID-19
mice.
Language: Английский
Environment impacts sexual preference: dopamine sends signals under pressure to decide which sex you like
Rou Li,
No information about this author
Lin Liu,
No information about this author
Min Wu
No information about this author
et al.
Signal Transduction and Targeted Therapy,
Journal Year:
2025,
Volume and Issue:
10(1)
Published: April 17, 2025
Language: Английский
Brain circuits that regulate social behavior
Hao Li,
No information about this author
Zhe Zhao,
No information about this author
Shaofei Jiang
No information about this author
et al.
Molecular Psychiatry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 26, 2025
Social
interactions
are
essential
for
the
survival
of
individuals
and
reproduction
populations.
stressors,
such
as
social
defeat
isolation,
can
lead
to
emotional
disorders
cognitive
impairments.
Furthermore,
dysfunctional
behaviors
hallmark
symptoms
various
neuropsychiatric
disorders,
including
autism
spectrum
disorder
(ASD)
post-traumatic
stress
(PTSD).
Consequently,
understanding
neural
circuit
mechanisms
underlying
has
become
a
major
focus
in
neuroscience.
behaviors,
which
encompass
wide
range
expressions
phases,
regulated
by
complex
networks.
In
this
review,
we
summarize
recent
progress
identifying
circuits
involved
different
types
general
investigation,
preference,
mating,
aggression,
parenting,
prosocial
dominance
behaviors.
We
also
outline
associated
with
deficits
ASD,
schizophrenia,
PTSD.
Given
pivotal
role
rodents
behavior
research,
our
review
primarily
focuses
on
these
animals.
Finally,
propose
future
research
directions,
development
specific
behavioral
paradigms,
identification
motor
output,
integration
activity,
transcriptome,
connectome
data,
multifunctional
roles
neurons
multiple
targets,
among
brain
regions.
Language: Английский