Neural Regeneration Research,
Год журнала:
2024,
Номер
20(12), С. 3620 - 3634
Опубликована: Июль 29, 2024
JOURNAL/nrgr/04.03/01300535-202512000-00030/figure1/v/2025-01-31T122243Z/r/image-tiff
Studies
have
shown
that
vascular
dysfunction
is
closely
related
to
the
pathogenesis
of
Alzheimer’s
disease.
The
middle
temporal
gyrus
region
brain
susceptible
pronounced
impairment
in
Identification
molecules
involved
aberrance
would
support
elucidation
mechanisms
underlying
disease
and
discovery
novel
targets
for
intervention.
We
carried
out
single-cell
transcriptomic
analysis
brains
patients
with
healthy
controls,
revealing
obvious
changes
function.
CellChat
intercellular
communication
showed
number
cell
interactions
this
was
decreased
patients,
altered
endothelial
cells
pericytes
being
most
prominent.
Differentially
expressed
genes
were
also
identified.
Using
results,
AUCell
evaluation
pathway
activity
specific
function
directly
growth
factor
(VEGF)A–VEGF
receptor
(VEGFR)
2
pathway.
identified
subtypes
VEGFA–VEGFR2
activity.
Two
significant
alteration
AD:
high
expression
Erb-B2
tyrosine
kinase
4
(ERBB4
)
angiopoietin-like
(ANGPTL4
).
Finally,
combining
bulk
RNA
sequencing
data
two
machine
learning
algorithms
(least
absolute
shrinkage
selection
operator
random
forest),
four
characteristic
feature
identified:
somatostatin
(
SST
),
protein
phosphatase
non-receptor
type
3
PTPN3
glutinase
GL3
tropomyosin
PTM3
These
downregulated
may
be
used
target
VEGF
mouse
models
demonstrated
consistent
these
gyrus.
In
conclusion,
study
detected
between
functioning
findings
contribute
a
deeper
understanding
molecular
present
treatment
targets.
Pharmaceutics,
Год журнала:
2024,
Номер
16(7), С. 948 - 948
Опубликована: Июль 17, 2024
Alzheimer’s
disease
(AD)
is
a
progressive
neurodegenerative
impacting
the
lives
of
millions
people
worldwide.
The
formation
amyloid
β
(Aβ)
plagues
in
brain
main
pathological
hallmark
AD.
Aβ
deposits
are
formed
due
to
imbalance
between
production
and
clearance
across
blood–brain
barrier
(BBB).
In
this
respect,
low-density
lipoprotein
receptor-related
protein
1
(LRP1)
plays
significant
role
by
mediating
both
clearance.
Due
its
important
AD
pathogenesis,
LRP1
considered
an
attractive
drug
target
for
therapies.
present
review,
we
summarize
current
knowledge
about
pathogenesis
as
well
recent
findings
on
changes
expression
function
Finally,
discuss
advances
utilizing
treatments
future
perspectives
research.
Cell Communication and Signaling,
Год журнала:
2024,
Номер
22(1)
Опубликована: Июнь 7, 2024
Alzheimer's
disease
is
the
most
common
cause
of
dementia
and
characterized
by
amyloid-β
plaques,
tau
neurofibrillary
tangles,
neuronal
loss.
Although
loss
a
primary
hallmark
disease,
it
known
that
non-neuronal
cell
populations
are
ultimately
responsible
for
maintaining
brain
homeostasis
health
through
neuron-glia
glial
crosstalk.
Many
signaling
pathways
have
been
proposed
to
be
dysregulated
in
including
WNT,
TGFβ,
p53,
mTOR,
NFkB,
Pi3k/Akt
signaling.
Here,
we
predict
altered
cell-cell
communication
between
glia
neurons.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 8, 2025
Aging
increases
the
risk
for
Alzheimer's
disease
(AD),
driving
pathological
changes
like
amyloid-β
(Aβ)
buildup,
inflammation,
and
oxidative
stress,
especially
in
prefrontal
cortex
(PFC).
We
present
first
subcellular-resolution
spatial
transcriptome
atlas
of
human
(PFC),
generated
with
Stereo-seq
from
six
male
AD
cases
at
varying
neuropathological
stages
age-matched
controls.
Our
analyses
revealed
distinct
transcriptional
alterations
across
PFC
layers,
highlighted
disruptions
laminar
structure,
exposed
AD-related
shifts
layer-to-layer
cell-cell
interactions.
Notably,
we
identified
genes
highly
upregulated
stressed
neurons
nearby
glial
cells,
where
diminished
stress-response
interactions
that
promote
Aβ
clearance.
Further,
cell-type-specific
co-expression
analysis
three
neuronal
modules
linked
to
neuroprotection,
protein
dephosphorylation,
regulation,
all
downregulated
as
progresses.
ZNF460
a
transcription
factor
regulating
these
modules,
offering
potential
therapeutic
target.
In
summary,
this
provides
valuable
insight
into
AD's
molecular
mechanisms.
(AD).
Here,
authors
AD,
revealing
alterations.
Ageing Research Reviews,
Год журнала:
2024,
Номер
102, С. 102578 - 102578
Опубликована: Ноя. 13, 2024
Alzheimer's
Disease
(AD)
is
the
most
common
form
of
dementia
among
elderly
people.
This
disease
imposes
a
significant
burden
on
healthcare
system,
society,
and
economy
due
to
increasing
global
aging
population.
Current
trials
with
drugs
or
bioactive
compounds
aimed
at
reducing
cerebral
Amyloid
beta
(Aβ)
plaques
tau
protein
neurofibrillary
tangles,
which
are
two
main
hallmarks
this
devastating
neurodegenerative
disease,
have
not
provided
results
in
terms
their
neuropathological
outcomes
nor
met
expected
clinical
end-points.
Ageing,
genetic
environmental
risk
factors,
along
different
symptoms
suggest
that
AD
complex
heterogeneous
disorder
multiple
interconnected
pathological
pathways
rather
than
single
entity.
In
present
review,
we
highlight
discuss
various
non-canonical,
Aβ-independent
mechanisms,
like
gliosis,
unhealthy
dietary
intake,
lipid
sugar
signaling,
cerebrovascular
damage
contribute
onset
development
AD.
We
emphasize
challenging
traditional
"amyloid
cascade
hypothesis"
may
improve
our
understanding
age-related
syndrome
help
fight
progressive
cognitive
decline
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 22, 2024
Aging
significantly
elevates
the
risk
for
Alzheimer's
disease
(AD),
contributing
to
accumulation
of
AD
pathologies,
such
as
amyloid-β
(Aβ),
inflammation,
and
oxidative
stress.
The
human
prefrontal
cortex
(PFC)
is
highly
vulnerable
impacts
both
aging
AD.
Unveiling
understanding
molecular
alterations
in
PFC
associated
with
normal
(NA)
essential
elucidating
mechanisms
progression
developing
novel
therapeutics
this
devastating
disease.
In
study,
first
time,
we
employed
a
cutting-edge
spatial
transcriptome
platform,
STOmics
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 1, 2024
Sporadic
early-onset
Alzheimer's
disease
(sEOAD)
represents
a
significant
but
less-studied
subtype
of
(AD).
Here,
we
generated
single-nucleus
multiome
atlas
derived
from
the
postmortem
prefrontal
cortex,
entorhinal
and
hippocampus
nine
individuals
with
or
without
sEOAD.
Comprehensive
analyses
were
conducted
to
delineate
cell
type-specific
transcriptomic
changes
linked
candidate
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 8, 2024
The
study
of
neurodegenerative
diseases,
particularly
tauopathies
like
Pick's
disease
(PiD)
and
Alzheimer's
(AD),
offers
insights
into
the
underlying
regulatory
mechanisms.
By
investigating
epigenomic
variations
in
these
conditions,
we
identified
critical
changes
driving
progression,
revealing
potential
therapeutic
targets.
Our
comparative
analyses
uncovered
disease-enriched
non-coding
regions
genome-wide
transcription
factor
(TF)
binding
differences,
linking
them
to
target
genes.
Notably,
a
distal
human-gained
enhancer
(HGE)
associated
with
E3
ubiquitin
ligase
(UBE3A),
highlighting
disease-specific
alterations.
Additionally,
fine-mapping
AD
risk
genes
loci
enriched
microglial
enhancers
accessible
other
cell
types.
Shared
distinct
TF
patterns
were
observed
neurons
glial
cells
across
PiD
AD.
We
validated
our
findings
using
CRISPR
excise
predicted
region
UBE3A
developed
an
interactive
database
(http://swaruplab.bio.uci.edu/scROAD)
visualize
single-cell
occupancy
networks.