Neuron,
Journal Year:
2023,
Volume and Issue:
112(3), P. 421 - 440.e7
Published: Nov. 17, 2023
Most
cognitive
functions
involving
the
prefrontal
cortex
emerge
during
late
development.
Increasing
evidence
links
this
delayed
maturation
to
protracted
timeline
of
development,
which
likely
does
not
reach
full
maturity
before
end
adolescence.
However,
underlying
mechanisms
that
drive
emergence
and
fine-tuning
abilities
adolescence,
caused
by
circuit
wiring,
are
still
unknown.
Here,
we
continuously
monitored
activity
throughout
postnatal
development
mice
showed
an
initial
increase
was
interrupted
extensive
microglia-mediated
breakdown
activity,
followed
rewiring
elements
achieve
adult-like
patterns
synchrony.
Interfering
with
these
processes
but
adulthood,
led
a
long-lasting
microglia-induced
disruption
neuronal
morphology
decreased
abilities.
These
results
identified
nonlinear
reorganization
circuits
adolescence
revealed
its
importance
for
adult
network
function
processing.
In
their
seminal
findings,
Hubel
and
Wiesel
identified
sensitive
periods
in
which
experience
can
exert
lasting
effects
on
adult
visual
cortical
functioning
behavior
via
transient
changes
neuronal
activity
during
development.
Whether
comparable
exist
for
non-sensory
cortices,
such
as
the
prefrontal
cortex,
alterations
determine
circuit
function
is
still
an
active
area
of
research.
Here,
using
mice
we
demonstrate
that
inhibition
parvalbumin
(PV)-expressing
interneurons
juvenile
adolescent
period,
results
persistent
impairments
connectivity,
vivo
network
function,
behavioral
flexibility
be
reversed
by
targeted
activation
PV
adulthood.
contrast,
reversible
suppression
interneuron
adulthood
produces
no
effects.
These
findings
identify
activity-dependent
period
maturation
highlight
how
abnormal
development
alters
cognitive
behavior.
Oxidative Medicine and Cellular Longevity,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 17
Published: Feb. 24, 2022
Approximately
11.1%
of
all
newborns
worldwide
are
born
preterm.
Improved
neonatal
intensive
care
significantly
increased
survival
rates
over
the
last
decades
but
failed
to
reduce
risk
for
development
chronic
lung
disease
(i.e.,
bronchopulmonary
dysplasia
(BPD))
and
impaired
neurodevelopment
encephalopathy
prematurity
(EoP)),
two
major
long-term
sequelae
prematurity.
Premature
infants
exposed
relative
hyperoxia,
when
compared
physiological
in-utero
conditions
and,
if
needed
additional
therapeutic
oxygen
supplementation.
Both
associated
with
an
organ
development.
Since
detrimental
effects
hyperoxia
on
immature
retina
known
many
years,
brain
have
come
into
focus
in
decade.
Hyperoxia-induced
excessive
production
reactive
species
leading
oxidative
stress
inflammation
contribute
pulmonary
growth
restriction
abnormal
neurodevelopment,
including
myelination
deficits.
Despite
a
large
body
studies,
which
unraveled
important
pathophysiological
mechanisms
both
organs
at
risk,
majority
focused
exclusively
either
or
injury.
However,
considering
that
preterm
suffering
from
BPD
higher
poor
neurodevelopmental
outcome,
interaction
between
seems
plausible.
This
review
summarizes
recent
findings
regarding
hyperoxia-induced
We
will
discuss
common
pathways,
potentially
link
injured
systems.
Furthermore,
promises
needs
currently
suggested
therapies,
pharmacological
regenerative
cell-based
treatments
EoP,
be
emphasized.
Limited
approaches
highlight
urgent
need
better
understanding
underlying
lung-brain
axis
order
pave
way
novel
multimodal
ideally
targeting
severe
birth-associated
complications.
Molecular Psychiatry,
Journal Year:
2022,
Volume and Issue:
28(1), P. 34 - 43
Published: Nov. 25, 2022
Abstract
Neurodevelopmental
disorders
arise
due
to
various
risk
factors
that
can
perturb
different
stages
of
brain
development,
and
a
combinatorial
impact
these
programs
the
phenotype
in
adulthood.
While
modeling
complete
neurodevelopmental
disorder
is
challenging,
individual
developmental
perturbations
be
successfully
modeled
vivo
animals
vitro
human
cellular
models.
Nevertheless,
our
limited
knowledge
development
restricts
strategies
has
raised
questions
how
well
model
corresponds
development.
Recent
progress
high-resolution
analysis
tissue
with
single-cell
spatial
omics
techniques
enhanced
understanding
complex
events
govern
health
disease.
This
new
utilized
improve
pave
way
more
accurately
portraying
relevant
disease
Neuron,
Journal Year:
2023,
Volume and Issue:
112(3), P. 421 - 440.e7
Published: Nov. 17, 2023
Most
cognitive
functions
involving
the
prefrontal
cortex
emerge
during
late
development.
Increasing
evidence
links
this
delayed
maturation
to
protracted
timeline
of
development,
which
likely
does
not
reach
full
maturity
before
end
adolescence.
However,
underlying
mechanisms
that
drive
emergence
and
fine-tuning
abilities
adolescence,
caused
by
circuit
wiring,
are
still
unknown.
Here,
we
continuously
monitored
activity
throughout
postnatal
development
mice
showed
an
initial
increase
was
interrupted
extensive
microglia-mediated
breakdown
activity,
followed
rewiring
elements
achieve
adult-like
patterns
synchrony.
Interfering
with
these
processes
but
adulthood,
led
a
long-lasting
microglia-induced
disruption
neuronal
morphology
decreased
abilities.
These
results
identified
nonlinear
reorganization
circuits
adolescence
revealed
its
importance
for
adult
network
function
processing.