Microglial regulation of white matter development and its disruption in autism spectrum disorder
Cerebral Cortex,
Journal Year:
2025,
Volume and Issue:
35(4)
Published: April 1, 2025
Abstract
White
matter,
comprising
approximately
50%
of
the
human
brain,
is
crucial
for
efficient
neuronal
signaling
and
a
wide
range
brain
functions,
including
social
cognition,
sensation,
memory,
motor
control,
information
integration
across
cortical
regions
in
service
perception
cognition.
composed
myelinated
axons,
results
from
complex
interactions
between
different
cell
types,
with
oligodendrocytes
(OLs)
microglia
playing
integral
roles.
Microglia,
brain's
resident
immune
cells,
regulate
oligodendrogenesis
through
phagocytosis
molecular
signaling,
example
cytokines,
which
promote
inhibit
maturation
stages
OL
lineage
cells.
Maternal
activation
(MIA)
recognized
risk
factor
neurodevelopmental
disorders,
especially
autism
spectrum
disorder
(ASD).
The
physiological
presentation
ASD
includes
white
matter
abnormalities
dysregulation.
Emerging
evidence
indicates
that
MIA
may
reduce
microglial
reactivity
alter
cytokine
release
offspring,
potentially
disrupting
delicate
balance
required
proper
development.
Understanding
intricate
interplay
oligodendrocytes,
microglia,
inflammation,
development
context
provides
valuable
insights
into
etiology
core
symptoms
possible
therapeutic
targets.
Language: Английский
The effects of P2Y12 loss on microglial gene expression, dynamics, and injury response in the cerebellum and cerebral cortex
Brain Behavior and Immunity,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
Biological Sex, Microglial Signaling Pathways, and Radiation Exposure Shape Cortical Proteomic Profiles and Behavior in Mice
Brain Behavior & Immunity - Health,
Journal Year:
2024,
Volume and Issue:
43, P. 100911 - 100911
Published: Nov. 25, 2024
Language: Английский
The effects of P2Y12 loss on microglial gene expression, dynamics, and injury response in the cerebellum and cerebral cortex.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Despite
the
emerging
consensus
that
microglia
are
critical
to
physiological
and
pathological
brain
function,
it
is
unclear
how
microglial
roles
their
underlying
mechanisms
differ
between
regions.
Microglia
throughout
express
common
markers,
such
as
purinergic
receptor
P2Y12,
delineate
them
from
peripheral
macrophages.
P2Y12
a
sensor
of
injury
but
also
contributes
sensing
neuronal
activity
remodeling
synapses,
with
loss
resulting
in
behavioral
deficits.
has
largely
been
studied
cortical
microglia,
despite
fact
growing
body
evidence
suggests
exhibit
high
degree
regional
specialization.
Cerebellar
particular,
transcriptional,
epigenetic,
functional
profiles
set
apart
better
hippocampal
counterparts.
Here,
we
demonstrate
deficiency
does
not
alter
morphology,
distribution,
or
dynamics
cerebellum.
In
fact,
little
disturb
distinct
transcriptomic
cerebellar
microglia.
However,
unlike
cortex,
required
for
full
response
focal
injury,
suggesting
use
different
cues
respond
injury.
Finally,
show
impairs
learning
delay
eyeblink
conditioning
task,
test
plasticity
circuit
function.
Our
findings
suggest
only
region-specific
signaling
response,
indicate
conserved
role
modulation
across
Language: Английский