Microglial plasticity governed by state-specific enhancer landscapes
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
SUMMARY
Single-cell
transcriptomic
studies
have
identified
distinct
microglial
subpopulations
with
shared
and
divergent
gene
signatures
across
development,
aging
disease.
Whether
these
subsets
represent
ontogenically
separate
lineages
of
cells,
or
they
are
manifestations
plastic
changes
states
downstream
some
converging
signals
is
unknown.
Furthermore,
despite
the
well-established
role
enhancer
landscapes
underlying
identity
microglia,
to
what
extent
histone
modifications
DNA
methylation
regulate
state
switches
at
enhancers
not
been
defined.
Here,
using
genetic
fate
mapping,
we
demonstrate
common
embryonic
origin
proliferative-region-associated
microglia
(PAM)
enriched
in
developing
white
matter,
track
their
dynamic
transitions
into
disease-associated
(DAM)
matter-associated
(WAM)
disease
contexts,
respectively.
This
study
links
spatiotemporally
discrete
through
epigenomic
plasticity,
while
revealing
state-specific
modification
profiles
that
govern
health
Language: Английский
White matter aging and its impact on brain function
Neuron,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 1, 2024
Aging
has
a
detrimental
impact
on
white
matter,
resulting
in
reduced
volume,
compromised
structural
integrity
of
myelinated
axons,
and
an
increase
matter
hyperintensities.
These
changes
are
closely
linked
to
cognitive
decline
neurological
disabilities.
The
deterioration
myelin
its
diminished
ability
regenerate
as
we
age
further
contribute
the
progression
neurodegenerative
disorders.
Understanding
these
is
crucial
for
devising
effective
disease
prevention
strategies.
Here,
will
discuss
alterations
that
occur
with
aging
examine
cellular
molecular
mechanisms
driving
aging-related
transformations.
We
highlight
how
progressive
disruption
may
initiate
self-perpetuating
cycle
inflammation
neural
damage.
Language: Английский
The immunology of stroke and dementia
Immunity,
Journal Year:
2025,
Volume and Issue:
58(1), P. 18 - 39
Published: Jan. 1, 2025
Language: Английский
Roadmap for alleviating the manifestations of ageing in the cardiovascular system
Nature Reviews Cardiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Language: Английский
Senescence- and Immunity-Related Changes in the Central Nervous System: A Comprehensive Review
Haiwen Feng,
No information about this author
Junjin Li,
No information about this author
Hongda Wang
No information about this author
et al.
Aging and Disease,
Journal Year:
2024,
Volume and Issue:
unknown, P. 0 - 0
Published: Jan. 1, 2024
Senescence
is
a
cellular
state
characterized
by
an
irreversible
halt
in
the
cell
cycle,
accompanied
alterations
morphology,
function,
and
secretion.
Senescent
cells
release
plethora
of
inflammatory
growth
factors,
extracellular
matrix
proteins,
other
bioactive
substances,
collectively
known
as
senescence-associated
secretory
phenotype
(SASP).
These
excreted
substances
serve
crucial
mediators
senescent
tissues,
while
secretion
SASP
neurons
glial
central
nervous
system
modulates
activity
immune
cells.
also
influence
physiological
activities
various
system.
Further,
interaction
between
senescence
regulation
affects
pathological
processes
Herein,
we
explore
role
underlying
embryonic
development,
aging,
degeneration,
injury
system,
through
response.
elucidate
proposing
new
theoretical
foundation
for
treating
diseases.
Language: Английский
An anti-aging vaccine: BCG turns back the clock on remyelination failure
Immunity,
Journal Year:
2024,
Volume and Issue:
57(9), P. 2005 - 2007
Published: Sept. 1, 2024
Language: Английский
Immune response in cerebral ischemic injury: interaction and therapeutic potential
New discovery.,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 25
Published: Nov. 20, 2024
Cerebral
ischemia
primarily
results
from
vascular
stenosis
or
blockage,
which
activates
inflammatory
cells
and
triggers
an
immune
response.
An
excessive
response
can
exacerbate
the
damage
caused
by
cerebral
ischemia.
In
this
review,
keywords
“immune
response”
“cerebral
ischemia”
were
entered
into
PubMed
database,
yielding
241
articles,
of
141
included
in
analysis.
Relevant
literature
2021
to
2024
was
summarized,
classified,
synthesized
delineate
advancements
field.
Consequently,
exploring
basic
physiology
responses
brain
injury,
we
found
that
microglia
phagocytose
dead
neurons,
thereby
ameliorating
ischemic
injury.
However,
accumulate
attack
blood
vessels
nerve
following
ischemia,
resulting
additional
damage.
As
a
result,
targeting
CD8
T
cells,
astrocytes,
superoxide
dismutase
(SOD),
interleukin-10
(IL-10),
tumor
necrosis
factor
(TNF),
NLRP3,
NF-κB
signaling
pathway
help
mitigate
Furthermore,
specific
mechanisms
efficacy
therapeutic
drugs
recent
years
analyzed,
revealing
their
potential
repair
blood-brain
barrier,
endothelial
while
also
reducing
infarct
size
responses.
Together,
highlight
particularly
microglia,
present
new
breakthroughs
neuron
phagocytosis,
improvement
responses,
reduction
These
findings
provide
clinicians
researchers
with
cutting-edge
references
for
treatment
strategies.
Language: Английский