Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 3, 2024
Traumatic
brain
injury
leads
to
a
highly
orchestrated
immune-
and
glial
cell
response
partially
responsible
for
long-lasting
disability
the
development
of
secondary
neurodegenerative
diseases.
A
holistic
understanding
mechanisms
controlling
responses
specific
types
their
crosstalk
is
required
develop
an
efficient
strategy
better
regeneration.
Here,
we
combine
spatial
single-cell
transcriptomics
chart
transcriptomic
signature
injured
male
murine
cerebral
cortex,
identify
states
different
cells
contributing
this
signature.
Interestingly,
distinct
share
large
fraction
injury-regulated
genes,
including
inflammatory
programs
downstream
innate
immune-associated
pathways
Cxcr3
Tlr1/2.
Systemic
manipulation
these
decreases
reactivity
state
associated
with
poor
The
functional
relevance
discovered
shared
highlights
importance
our
resource
enabling
comprehensive
analysis
early
events
after
injury.
Neurobiology of Disease,
Journal Year:
2023,
Volume and Issue:
179, P. 106044 - 106044
Published: Feb. 17, 2023
Stroke
is
the
second
leading
cause
of
death
worldwide;
however,
treatment
choices
available
to
neurologists
are
limited
in
clinical
practice.
Lipocalin
2
(LCN2)
a
secreted
protein,
belonging
lipocalin
superfamily,
with
multiple
biological
functions
mediating
innate
immune
response,
inflammatory
iron-homeostasis,
cell
migration
and
differentiation,
energy
metabolism,
other
processes
body.
LCN2
expressed
at
low
levels
brain
under
normal
physiological
conditions,
but
its
expression
significantly
up-regulated
acute
stimulations
chronic
pathologies.
An
up-regulation
has
been
found
blood/cerebrospinal
fluid
patients
ischemic/hemorrhagic
stroke,
could
serve
as
potential
biomarker
for
prediction
severity
stroke.
activates
reactive
astrocytes
microglia,
promotes
neutrophil
infiltration,
amplifies
post-stroke
inflammation,
blood-brain
barrier
disruption,
white
matter
injury,
neuronal
death.
Moreover,
involved
injury
induced
by
thrombin
erythrocyte
lysates,
well
microvascular
thrombosis
after
hemorrhage.
In
this
paper,
we
review
role
pathological
ischemic
stroke;
intracerebral
hemorrhage;
subarachnoid
stroke-related
diseases,
such
vascular
dementia
depression,
their
underlying
mechanisms.
We
hope
that
will
help
elucidate
value
therapeutic
target
Cold Spring Harbor Perspectives in Biology,
Journal Year:
2024,
Volume and Issue:
16(7), P. a041356 - a041356
Published: Feb. 5, 2024
In
addition
to
their
many
functions
in
the
healthy
central
nervous
system
(CNS),
astrocytes
respond
CNS
damage
and
disease
through
a
process
called
"reactivity."
Recent
evidence
reveals
that
astrocyte
reactivity
is
heterogeneous
spectrum
of
potential
changes
occur
context-specific
manner.
These
are
determined
by
diverse
signaling
events
vary
not
only
with
nature
severity
different
insults
but
also
location
CNS,
genetic
predispositions,
age,
potentially
"molecular
memory"
previous
events.
Astrocyte
can
be
associated
both
essential
beneficial
as
well
harmful
effects.
The
available
information
rapidly
expanding
much
has
been
learned
about
molecular
diversity
reactivity.
Emerging
functional
associations
point
toward
roles
for
determining
outcome
disorders.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 3, 2024
Traumatic
brain
injury
leads
to
a
highly
orchestrated
immune-
and
glial
cell
response
partially
responsible
for
long-lasting
disability
the
development
of
secondary
neurodegenerative
diseases.
A
holistic
understanding
mechanisms
controlling
responses
specific
types
their
crosstalk
is
required
develop
an
efficient
strategy
better
regeneration.
Here,
we
combine
spatial
single-cell
transcriptomics
chart
transcriptomic
signature
injured
male
murine
cerebral
cortex,
identify
states
different
cells
contributing
this
signature.
Interestingly,
distinct
share
large
fraction
injury-regulated
genes,
including
inflammatory
programs
downstream
innate
immune-associated
pathways
Cxcr3
Tlr1/2.
Systemic
manipulation
these
decreases
reactivity
state
associated
with
poor
The
functional
relevance
discovered
shared
highlights
importance
our
resource
enabling
comprehensive
analysis
early
events
after
injury.